# Renown Electric Motors & Repair Inc.

This MFR.ID profile was supplied, reviewed, and approved by Renown Electric Motors & Repair Inc.. Originally approved on 5/22/2025; last updated 4/22/2026. Capability data is manufacturer-approved for public sourcing and RFQ use.

## Profile Links

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- JSON data: https://mfr.io/renown-electric.json

## Company Overview

Renown Electric Motors & Repair Inc. is an Ontario-based service company specializing in electric motor and generator repair, refurbishment, and distribution. With over 40 years of expertise and ISO 9001:2015 certification, Renown supports diverse industries by providing in-house capabilities for motors ranging from fractional horsepower up to 60,000+ HP, complemented by 24/7 emergency response. Through authorized partnerships with major OEMs like ABB, Baldor, Siemens, and WEG, the company supplies genuine parts and new equipment to reduce downtime. Its large-motor facility accommodates high-voltage testing up to 13.8 kV, while in-house coil manufacturing and a well-stocked inventory enable quick turnaround. Renown’s customer-focused approach, backed by multiple quality and safety certifications, ensures reliable performance for mission-critical applications.

## Quick Reference

- Processes: Sheave Regrooving, CNC Machining, Winding Analysis, Modernization Survey, Gearbox Rebuild & Repair, Laser Alignment, Motion Amplification Monitoring, Infrared Thermography, Electric Motor Rebuild & Rewinding, Motor Management, On-Site Machining, Servo Motor Repair, MG Set Repair, Brush Survey, Pump Repair, Vibration Analysis, Turning & Undercutting, Motor Drive Repair, In-Field Rewinding, Dynamic Balancing, Oil Analysis, Generator Rebuild & Rewinding
- Lead Time: 1-4 weeks
- Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts)
- Location: Concord, Ontario L4K3M3
- Employees: 51-200
- Revenue: $10M-$50M
- Founded: 1984
- Contact: info@renown-electric.com - +1 877-742-3665
- Verified: Manufacturer Approved

## Capabilities

### Sheave Regrooving

Renown Electric’s machine shop offers specialized sheave regrooving and manufacturing services to maintain and optimize elevator and hoist systems. By regrooving worn U, undercut U, or progressive V grooves, the service extends rope and sheave life while improving traction. Renown’s lathes, vertical turret lathe, and dynamic balancing stand ensure precise geometry and alignment for both older and modern elevator designs. On-site services include groove assessments and rope fit inspections to ensure safe, efficient performance with minimal downtime.

- Process: Sheave Regrooving
- Highlights: Regrooving U, Undercut U, & Progressive V sheaves, Dynamic balancing of regrooved sheaves, On-site groove evaluation & rope measurement, ISO 9001:2015–certified machine shop capabilities
- Specifications:
  - Machining Location: In-shop for large sheaves, On-site inspection and minor rework - Most regrooving is performed at Renown’s machine shop; site visits focus on assessments and smaller adjustments.
  - Service Capacity: Handles one-off emergency regrooves to large sheave production for OEMs. - Adapts to single-sheave emergencies or repeated regrooving demands across extensive fleets.
  - Sheave Diameter Range: 0-1600 mm - Max diameter of 1600 mm can be handled using the STANKO 1516 vertical turret lathe.
  - Groove Type: U-groove, Undercut U-groove, Progressive V-groove - Supported groove profiles commonly used in elevator and hoist applications.
  - Groove Spacing Tolerance: OEM-specific or project-defined tolerances - Machining aligns with elevator OEM guidelines or custom specs; no fixed numeric tolerance is listed.
  - Turnaround Time: 1-4 weeks - Actual timeframe depends on diameter, groove complexity, and scheduling.

### Machine Shop Services

Renown Electric’s extensive machine shop operates within a 25,000 sq. ft. facility, providing precision turning, milling, grinding, gear cutting, welding, and fabrication. The shop handles diverse repair projects—shafts, gears, housings, pump components, gear reducers, and more—while meeting ISO 9001:2015 quality standards. Skilled staff perform mechanical repairs, parts manufacturing, and custom sheave regrooving, backed by on-site vibration analysis, dynamic balancing, and laser alignment capabilities. By returning even heavily damaged equipment to OEM specs, Renown minimizes downtime and ensures efficient performance across industries ranging from elevators to heavy manufacturing.

- Process: CNC Machining
- Highlights: Milling, turning, grinding, gear cutting, welding, ISO 9001:2015 certified machine shop, In-house fabrication and on-site repairs, Vibration analysis, alignment, and balancing
- Specifications:
  - Machining Axes: 2-axis turning, 3-axis milling - Manual and CNC lathes for turning, vertical bed mills for up to 3-axis milling.
  - Minimum Feature Size: Down to ~3 mm diameter or slot width, depending on tooling setup - Extremely small features require specialized cutters and fixturing.
  - Surface Finish: Standard milled/turned surfaces: ~1.6–3.2 µm Ra, Ground finishing available: ~0.4–0.8 µm Ra if needed - Varies by cutting tools, material properties, and final polishing steps.
  - Maximum Part Size: {"max":{"imperial":{"height":{"unit":"in","value":15},"length":{"unit":"in","value":19.7},"width":{"unit":"in","value":39.4}},"metric":{"height":{"unit":"mm","value":381},"length":{"unit":"mm","value":500},"width":{"unit":"mm","value":1000}}}} - Bounding box for milling on Summit #3. Turning can accommodate up to 1600 mm diameter on STANKO 1516 VTL.
  - Production Scale: Prototype (1-10 parts), Short Run (11-500 parts), Medium Run (501-10000 parts), Mass Production (10001+ parts) - Capable of one-off repairs or large production runs spanning thousands of parts.
  - Tolerances: Typically ±0.001 in (±0.025 mm), subject to part geometry and fixturing requirements - Exact precision depends on machine, fixture setup, and customer specs.
  - Lead Times: 1-4 weeks - Standard machining/fabrication turnaround; expedited scheduling for emergency jobs.
  - Material Compatibility: Carbon steels, Cast iron, Stainless steels, Aluminum, Various common alloys - Exotic metals determined case by case; standard ferrous and non-ferrous materials handled routinely.

### Winding Analysis

Renown Electric’s Winding Analysis evaluates motor and generator insulation using surge, hipot, and other electrical tests. By pinpointing inter-turn shorts or insulation breakdowns at an early stage, technicians can recommend rewinding or repairs before motors fail catastrophically, preserving reliability and extending service life.

- Process: Winding Analysis
- Highlights: Detects turn-to-turn and phase-to-phase faults pre-emptively, Prevents core damage from winding burnout, Ensures compliance with IEEE/EASA testing requirements, Prolongs motor life through timely rewinding or revarnishing
- Specifications:
  - Pass/Fail Thresholds: IEEE 43, EASA AR100 - Tests adhere to established industry criteria for insulation condition.
  - Insulation Resistance Test Voltage: 1000 VDC (1000 VDC) - Typical DC voltage used to perform megohmmeter (Megger) checks.
  - Resistance Measurement Resolution: 1 mΩ (1 mΩ) - Allows precise detection of imbalance across phases.
  - Test Frequency Range: 20-400 Hz - Covers a range of off-line AC tests and on-line MCSA checks.
  - Surge Voltage Capacity: 5 kV (5 kV) - Typical maximum pulse voltage for surge comparison testing in medium-voltage motors.

### Modernization Survey

Renown Electric’s Modernization Survey evaluates aging electrical and mechanical systems to recommend upgrades that boost efficiency, reliability, and compliance. Technicians assess motors, drives, controllers, and mechanical assemblies, identifying outdated or inefficient components and proposing modernization pathways—from replacing DC motors with AC drives to introducing advanced control systems.

- Process: Modernization Survey
- Highlights: Comprehensive review of existing motor and drive systems, Identifies outdated or inefficient components, Supports transitions to digital or automated controls, Improves energy efficiency and compliance with current standards
- Specifications:
  - Assessment Scope: Motor efficiency and load analysis, Drive and control system evaluation, Compliance with current safety/energy codes, Performance data logging and analysis - Typical categories inspected for modernization potential
  - Service Capacity: One-off modernization projects, Plant-wide or building-wide upgrade initiatives - Scalable from small retrofits to full facility modernization plans
  - Reporting Deliverables: Modernization roadmap, Cost-benefit analysis, Upgrade timeline and recommended solutions - Outcome of the survey is a clear plan with actionable steps
  - Machinery: Elevator machines (AC/DC), Industrial motor control centers, Pumps, fans, and other legacy equipment - Focuses on motors, drives, and related control infrastructure

### Gearbox Rebuild & Repair

Renown Electric provides expert gearbox rebuild and repair services, primarily at their 25,000 sq. ft. Concord, Ontario facility, restoring single-stage and multi-stage gearboxes (worm, helical, bevel helical) to OEM specifications. Utilizing precision machining, laser alignment, and modern calibrated inspection equipment, they effectively address vibration, heat generation, and alignment issues. For large or specialized gearboxes requiring heavier lifting or advanced machining capabilities, Renown leverages additional resources from their Large Motor Service Center. Serving diverse industries—aggregates, mining, power generation, oil & gas, food processing, and hydroelectric—they minimize downtime while extending gearbox lifespan and efficiency.

- Process: Gearbox Rebuild & Repair
- Highlights: Single-stage & multi-stage gearbox overhauls, In-house & on-site repair options, Precision machining and laser alignment, Serving industries from food processing to hydroelectric
- Specifications:
  - Inspection And Testing: Visual and borescope inspections, Gear tooth contact pattern checks, Vibration and temperature monitoring - Ensures precise engagement and early detection of wear or misalignment.
  - Documentation And Traceability: Inspection reports, including photos of damage, Gearbox ID tagging and serialized job logs, Certificates of conformance upon rebuild completion - Renown provides thorough repair records for future reference and audits.
  - Turnaround Time: 1-6 weeks - Varies with complexity; expedited service for critical gearboxes.
  - Rebuild Vs Replacement Criteria: Cost–benefit analysis of new vs. restored gearboxes, Availability and lead time of OEM replacements, Extent of housing or gear tooth damage - Customers receive data‐driven recommendations to balance downtime and budget.
  - Torque And Load Rating: Supported torque up to thousands of N·m, as per gearbox class, Load rating validated through test runs and calibrated inspection - Exact torque capacity depends on gearbox model and gear design.
  - Bearing And Seal Type: Tapered roller bearings, Spherical roller bearings, Deep groove ball bearings, Radial lip seals, Mechanical face seals - Bearing/seal selections based on load, speed, and environmental conditions.
  - Lubrication Requirements: OEM‐specified oil viscosity (ISO VG 68–320 typical), Grease-lubricated bearings in some worm or bevel gearboxes - Renown verifies correct lubricants to control heat and friction based on speed/load.
  - Alignment Tolerances: Shaft runout typically within ±0.0005–0.001 in/in, Gear center distance per OEM specification - Renown uses laser alignment systems to meet or exceed OEM alignment guidelines.
  - Service Capacity: Handles single gearbox emergencies or large fleet refurbishment campaigns across multiple industries. - Adapts from one-off urgent repairs to structured high-volume refurbishing.
  - Gear Material Compatibility: Carbon and alloy steels, Ductile/cast iron, Hardened or heat-treated steels - Typical metals used in industrial gearboxes; specific alloys confirmed per OEM or client specs.

### Laser Alignment

Renown Electric’s Laser Alignment service ensures shafts and couplings meet exacting alignment tolerances in motors, pumps, compressors, and other rotating equipment. Using advanced laser measurement tools, technicians reduce vibration, bearing stress, and energy losses, resulting in longer machine life and lower operating costs.

- Process: Laser Alignment
- Highlights: Precise corrections to offset and angular misalignment, Minimizes bearing and seal failures, Shortens maintenance downtime with real-time measurement, Improves efficiency by reducing mechanical friction
- Specifications:
  - Machine Configuration: Horizontal, Vertical - Laser alignment systems can handle both horizontal and vertical shaft setups.
  - Coupling Type Supported: Flexible couplings, Rigid couplings, Gear couplings - Compatible with common industrial coupling styles.
  - Alignment Accuracy: ±0.001 in/in, ±0.025 mm/25 mm - Typical alignment tolerances achieved using laser systems.
  - Maximum Shaft Diameter: 5.9 in (150 mm) - Larger diameters can be accommodated using custom fixtures.
  - Measurement Range (Shaft Separation): 10-300 mm - Applicable separation distance depends on sensor model and bracket size.

### Motion Amplification Monitoring

Renown Electric’s Motion Amplification Monitoring magnifies subtle motion in machinery using high-speed video and specialized software. This non-contact method visually highlights misalignment, looseness, and resonance issues in motors, pumps, fans, and structural supports—enabling rapid, targeted repairs and minimizing unplanned outages.

- Process: Motion Amplification Monitoring
- Highlights: Captures micro-movements undetectable by the naked eye, Identifies and localizes sources of vibration or instability, Safe to perform on running equipment, Presents intuitive visual data for faster decision-making
- Specifications:
  - Operational Frequency Detection Range (Hz): 1-1000 Hz - Covers low to moderate frequency components found in typical rotating machinery.
  - Camera Frame Rate (FPS): 120-2000 fps - High-speed capture allows for slow-motion review of vibrating components.
  - Minimum Displacement Sensitivity: 0.04 mils (1 µm) - Can detect motion on the order of microns, depending on camera resolution.
  - Maximum Measurement Distance: 50 ft (15 m) - Distance may vary based on lens choice and resolution requirements.
  - Lighting Requirements: Adequate ambient light, Supplemental LED lighting if needed - Clear line of sight and proper illumination are necessary for accurate capture.

### Infrared Thermography

Renown Electric’s Infrared Thermography service deploys high-resolution thermal imaging cameras to uncover hidden hotspots in motors, switchgear, bearings, and other critical assets. Certified thermographers analyze heat signatures to detect overloads, loose connections, or deteriorating insulation. This non-contact approach allows inspections under load, ensuring early fault detection, reduced risk, and proactive maintenance planning.

- Process: Infrared Thermography
- Highlights: Identifies heat-related anomalies before failures occur, Performed on operating equipment with no downtime, Meets industry guidelines such as NFPA 70B, Enhances safety and reliability through early intervention
- Specifications:
  - Compliance With NFPA 70B Or Similar Standards: NFPA 70B, CSA Z463 - Inspections follow recognized electrical equipment maintenance protocols.
  - Temperature Measurement Range: 0-600 °C - Typical measurement range; cameras can extend beyond 600°C with specialized lenses.
  - Minimum Spot Size Ratio (D:S): 320:1 - Indicates the distance-to-spot ratio for accurate readings.
  - Thermal Sensitivity (NETD): 50 mK (50 mK) - NETD ~50 mK allows detection of very small temperature differences.

### Electric Motor Rebuild & Rewinding

Renown Electric provides comprehensive AC/DC electric motor rebuild and rewinding services—ranging up to 60,000 HP—across multiple OEM brands such as ABB, Baldor, WEG, and Siemens. Utilizing advanced stripping and cleaning ovens, wash booths, coil forming/taping equipment, and varnish immersion processes, Renown delivers precise, high-quality rewinds backed by thorough testing and quick turnarounds. Their two service centers encompass over 75,000 sq. ft. dedicated to motor refurbishment, including hazardous-location (CSA) capabilities, ensuring reliable performance for critical industrial and commercial applications.

- Process: Electric Motor Rebuild & Rewinding
- Highlights: Rebuilds and rewinds motors up to 60,000 HP, CSA qualified for hazardous-location repairs, Computerized stripping, cleaning, and winding, 24/7 emergency response and quick turnaround
- Specifications:
  - Varnish Or Impregnation: Dip-and-bake epoxy varnish, Vacuum Pressure Impregnation (VPI) - Chosen based on voltage class, thermal demands, and end-user preferences.
  - Motor Type: AC induction motors (1–3 phase), DC motors (shunt, series, compound), Large synchronous motors - Covers a broad array of industrial and commercial electric motors.
  - Service Capacity: Handles from single critical rewinds to large-scale maintenance cycles for 60000 HP motors. - Capable of supporting one-off failures or extensive motor fleets across multiple lines.
  - Insulation Class: Class F or H typically, Optionally Class N for high-temp environments - Varies with operating temperatures and customer specs.
  - Rewinding Procedures: Burn-off stripping with temperature control, Computer-aided coil forming and layering, Accurate slot insulation and lead connection - Standardized processes ensure uniform coil geometry and consistent performance.
  - Electrical Testing: Surge test, hipot test (AC/DC), Winding resistance & insulation resistance, No-load or partial-load run test - Ensures reliability and confirms that rewinds meet OEM or better specs.
  - Balancing Tolerances: ISO 1940/1 G2.5 or G1 for low-vibration applications, Schenck H60B used for final rotor balancing - Rotor and armature balanced to reduce vibration and extend bearing life.
  - Shaft And Bearing Tolerances: Shaft runout typically ±0.0005–0.001 in, Bearing fit per ABEC standard or OEM guidelines - Machining ensures proper fitment and alignment to mitigate wear.
  - Winding Data: Turn count, coil pitch, wire gauge, Computer-stored coil patterns - Ensures reproducible, consistent rewinds across identical models.
  - Turnaround Time: 1-4 weeks - Dependent on motor size and complexity; emergency service available.

### Motor Management

Motor Management by Renown Electric centralizes the tracking, maintenance planning, and lifecycle optimization of a facility’s electric motors. Through comprehensive audits, criticality rankings, and spare motor storage, it prevents unnecessary downtime and ensures swift replacement or repair when failures occur. This holistic approach minimizes inventory costs and maximizes equipment uptime.

- Process: Motor Management
- Highlights: Complete motor inventory and condition audits, Criticality designations for rapid spare deployment, Off-site storage and maintenance of spares, Online portal for real-time motor tracking
- Specifications:
  - Maintenance Scheduling: PM intervals based on runtime or calendar, PdM triggers from vibration or temperature data - Schedules can be automatically generated or manually managed via the Motor Management portal.
  - Failure Analysis: Post-failure teardown reports, Root cause analysis (bearing, winding, environment), Recommendations to reduce recurrence - Captures lessons learned, preventing future issues and improving reliability.
  - Inventory Management: Spare motor storage & rotation, Critical spares identified by equipment priority - Ensures availability of ready-to-run motors to minimize downtime.
  - Asset Tracking: Barcode or RFID tagging, Digital registry with service history, Motor attribute database (HP, voltage, speed) - All motors under management are cataloged and monitored for location/status.
  - Service Capacity: From single-site programs with a few motors to multi-site fleets of hundreds or thousands. - Adapts seamlessly to small operations or enterprise-scale organizations.
  - Turnaround Time: 1-2 weeks - Typical response for motor replacement or service arrangement; can vary per client SLA.
  - Performance Metrics: Uptime percentage, MTBF (mean time between failures), Energy consumption & efficiency - Tracked through the management system for continuous improvement.
  - Condition Monitoring: Regular vibration analysis & thermography, Load/current trending from drive systems - Early warning detection of potential motor failures for preemptive action.
  - Lifecycle Cost Analysis: Rebuild vs. replacement cost comparisons, Estimated operational savings from timely repairs - Facilitates data-driven decisions to optimize total cost of ownership.
  - Reporting Requirements: Monthly or quarterly summary of motor health, Compliance with regulatory audits - Customized reports for internal management or external oversight.

### On-Site Machining

Renown Electric’s On-Site Machining service brings full machine shop capabilities directly to customers’ facilities. Using portable mills, lathes, boring bars, and specialized rigs, technicians perform precision repairs on large or immovable machinery without the need for disassembly and transport. This minimizes downtime and ensures repairs meet tight tolerances on-site. Typical operations include line boring, flange facing, journal turning, and milling, often paired with welding and metal buildup for worn surfaces.

- Process: On-Site Machining
- Highlights: Mobile machining setup for large or hard-to-move equipment, Precision tolerances typically within ±0.001 inches, Eliminates transport costs and reduces equipment downtime, Capable of line boring, flange facing, shaft turning, and keyway cutting, 24/7 emergency response for critical breakdowns
- Specifications:
  - Service Capacity: Field services are performed as needed; there is no upper limit on project scale - No specific volume constraints; on-site services are flexible to customer needs
  - Max Diameter: 12 ft (3.66 m) - Typical maximum diameter handled for large components; can accommodate larger with specialized rigging
  - Machining Tolerance: 0.001-0.002 in - Usual tolerance range for on-site boring, facing, and turning operations
  - Power And Access: Requires stable on-site power or portable generator, Adequate space and clearance for portable machining rigs - Site conditions must allow safe setup of field machining equipment
  - Machinery: Portable milling machines, Line boring bars, Flange facers, Magnetic-base drills - Key equipment used for in-field machining tasks

### Servo Motor Repair

Renown Electric’s servo motor repair services restore complex servo and spindle motors to peak performance. Through careful inspection of encoders, resolvers, magnets, and electronic feedback, each servo is tested with advanced software to ensure correct commutation alignment. Experienced technicians perform magnet recharging, stator/armature rewinding, and vibration testing. This thorough approach suits a range of servo motors used in material handling, printing, automotive, and OEM machine manufacturing, ensuring precise motion control and reliable operation after repair.

- Process: Servo Motor Repair
- Highlights: Magnet recharging & advanced encoder tests, Stator and armature rewinding with tight tolerances, High-speed dynamic balancing for low vibration, Full functional testing with detailed reports
- Specifications:
  - Bearing And Seal Type: Angular contact bearings (paired sets), Sealed ball bearings, Lip seals or labyrinth seals - Selected based on servo’s operational speed and radial/axial load.
  - Winding Data: Coil turn count, gauge selection, Slot fill ratio and insulation class - Ensures consistent torque output and thermal performance.
  - Positioning Accuracy: Encoder resolution validated with test software, Backlash or mechanical slop minimized via proper bearing fits - Essential for printing, robotics, and CNC tasks requiring tight positional tolerance.
  - Service Capacity: Handles single specialized servo repairs or entire OEM/automotive servo fleets. - Suitable for urgent one-off units as well as high-volume refurbishment.
  - Dynamic Balancing: Schenck balancing to ISO G2.5 or better, Mitigates vibration for high-speed servo applications - Reduces runout, extending bearing life and improving positioning.
  - Environmental Protection: IP54 to IP67 servo enclosures depending on application, Corrosion-resistant coatings for harsh conditions - Compliance with typical servo operating environments in manufacturing or automotive lines.
  - Commutation Alignment: Phasing verification for rotor/stator alignment, Calibration under dynamic load tests - Critical for torque and speed accuracy in brushless servo systems.
  - Encoder Specifications: Incremental or absolute encoders, Serial, parallel, or digital feedback outputs - Servo-specific, checked for signal integrity and correct alignment.
  - Feedback Testing: Resolver or Hall sensor checks, Position loop verification with test software - Ensures accurate signal for servo motion control.
  - Turnaround Time: 1-5 weeks - Varies by servo complexity, parts availability, and testing requirements.

### MG Set Repair

Renown Electric specializes in the repair and maintenance of motor-generator (MG) sets, providing stable power conversion and conditioning solutions for elevators, steel mills, and large industrial test stands. Combining mechanical expertise (bearing replacement, brush and commutator servicing, precise alignment) and electrical excellence (winding repairs, commutator refurbishment, rigorous testing), Renown restores MG sets to reliable operation, minimizing downtime. Services include on-site alignment, vibration analysis, and preventative maintenance, addressing common issues such as bearing failures, winding damage, and control system faults. Repairs for larger MG sets are primarily completed at their Large Motor Service Center in Vaughan, Ontario, while smaller or elevator-specific MG set repairs are handled at their Concord headquarters. Modern calibration equipment and extensive testing capabilities ensure MG sets meet or exceed OEM specifications for optimal performance and extended service life.

- Process: MG Set Repair
- Highlights: Extensive expertise with AC/DC MG set repairs, On-site and in-shop service capabilities, Precision alignment, vibration analysis, and preventative maintenance, 24/7 emergency support for mission-critical applications
- Specifications:
  - Turnaround Time: 1-6 weeks - Varies with MG set size and complexity; expedited service available for critical operations.
  - Bearing And Seal Type: Ball, roller, or angular contact bearings, Lip or labyrinth seals, Felt or V-ring seals (legacy MG sets) - Bearing and seal selection depends on rotational speed, load, and environment.
  - Control System Tuning: Relay, sensor, or circuit board checks, Voltage/current regulation calibration - Ensures MG output meets target voltage/frequency and responds properly under varying loads.
  - Rewinding Procedures: Burn-off stripping for motor/generator windings, Computerized coil data logging (turn count, pitch), Vacuum Pressure Impregnation (VPI) or dip-and-bake - MG stators and armatures rewound to match or exceed OEM insulation standards.
  - Balancing Tolerances: ISO 1940 G2.5 or G1 for low vibration, Schenck H60B dynamic balancing to minimize runout - Armatures and rotors balanced for stable power generation and reduced bearing wear.
  - Service Capacity: Supports single-unit MG repairs or large-scale fleets in steel mills, elevator systems, and power conditioning applications. - Flexible approach from quick one-off fixes to repeated maintenance for multiple MG sets.
  - Motor Generator Compatibility: AC motor to DC generator sets, DC motor to AC generator sets, Synchronous–synchronous MG combos - Supports common MG configurations, including older elevator power conversion sets or specialized industrial units.
  - Inspection And Testing: Bearing clearance and alignment checks, Commutator and brush seat verification, Vibration analysis, thermography if required, Electrical run testing up to partial load - Comprehensive approach confirms mechanical and electrical performance for reliable operation.

### Brush Survey

Renown Electric’s Brush Survey is an on-site diagnostic service focused on evaluating the condition, alignment, and pressure of carbon brushes in electric motors and generators. By measuring brush wear, analyzing commutator or slip ring contact patterns, and checking spring force, technicians identify issues like sparking or uneven wear that can compromise motor performance. The service optimizes brush life, prevents excessive arcing, and ensures reliable electrical transfer from stationary to rotating components.

- Process: Brush Survey
- Highlights: On-site inspection of brushes, holders, and commutator/slip rings, Identifies causes of brush sparking and uneven wear, Ensures proper seating and optimal spring tension, Reduces downtime by preventing premature brush failures
- Specifications:
  - Inspection Scope: Brush wear measurement, Spring pressure evaluation, Surface condition of commutator/slip ring, Brush holder alignment - Typical activities within the brush survey process
  - Service Capacity: Field service is on demand; performed during routine maintenance or troubleshooting - Suitable for single motor checks or facility-wide brush surveys
  - Service Availability: 24/7 on-site emergency response, Scheduled preventive maintenance appointments - Customers can request brush surveys whenever needed
  - Machinery: AC/DC motors with brush-type excitation, Generators (wound rotor, slip ring configurations) - Any rotating equipment that uses carbon brushes for power transfer

### Pump Repair

Renown Electric’s pump repair services cover a broad spectrum of industrial and municipal pumps, ensuring they return to OEM standards for optimal efficiency. Backed by a 25,000 sq. ft. facility and advanced machining capabilities, technicians handle cleaning, teardown, mechanical refurbishment, reassembly, and testing. These services address concerns like worn impellers, faulty seals, damaged housings, and misalignment. In-house or on-site, Renown supports elevated and submersible pumps in water/wastewater, power generation, and HVAC settings. 24/7 emergency service, expert vibration analysis, and laser alignment further minimize downtime.

- Process: Pump Repair
- Highlights: Refurbishment of industrial & municipal pumps, State-of-the-art cleaning & inspection process, On-site vibration analysis & laser alignment, CSA & ISO-certified for hazardous environment pumps
- Specifications:
  - Turnaround Time: 1-4 weeks - Varies by pump size, extent of damage, and required parts sourcing.
  - Pump Type: Centrifugal pumps (horizontal or vertical), Submersible pumps, Booster pumps, Condensate pumps - Covers both municipal and industrial pump varieties.
  - Seal And Bearing Type: Mechanical seals (single or double), Gland packing, Ball, roller, or angular contact bearings - Determined by pump design, fluid type, and operating pressure.
  - Alignment Tolerances: Laser alignment to ±0.0005 in/in, Shaft runout checks for vertical/horizontal configurations - Ensures minimal vibration and extended bearing life.
  - Service Capacity: Handles individual pump rebuilds or comprehensive fleet maintenance programs for large-scale industrial or municipal clients. - Capable of single pump refurbishment or multi-site projects involving dozens of units.
  - Flow And Pressure Rating: Typical flows from 10 GPM to several thousand GPM, Pressures up to 300 PSI (depending on pump model) - Pump capacity verified during test runs or factory acceptance tests.
  - Material Compatibility: Cast iron, carbon steel housings, Stainless steel for impellers or corrosive fluids, Bronze or brass for low-friction bearings/impellers - Material depends on fluid chemistry, temperature, and OEM specs.
  - Hydraulic Testing: Flow and pressure checks under simulated load, Checking head capacity vs. OEM design curve - Verifies restored hydraulic performance before final deployment.
  - Impeller Tolerances: Impeller radial clearance per OEM spec, Balance to ISO G6.3 or better for high-speed units - Precision impeller fitment reduces cavitation and improves pump efficiency.
  - Reconditioning Procedures: Disassembly, cleaning, shot blasting (if needed), Wear ring replacements, new mechanical seals, Machining/honing of housings or sleeves - Returns pumps to near‐OEM condition, maximizing efficiency and reliability.

### Vibration Analysis

Renown Electric’s Vibration Analysis service tracks machine health by capturing and interpreting vibration signatures of rotating equipment. Experienced analysts use accelerometers and spectrum analysis to detect imbalance, misalignment, bearing faults, and other issues before they lead to failure—helping customers plan repairs and minimize unplanned downtime.

- Process: Vibration Analysis
- Highlights: Targets mechanical faults early via frequency spectrum analysis, Reduces bearing damage and rotor stress, Minimizes downtime with proactive maintenance actions, Adheres to ISO 10816 or OEM vibration severity standards
- Specifications:
  - Frequency Range Supported: 2-20000 Hz - Covers low-speed and high-frequency fault signatures for bearings and gear mesh.
  - Standards Followed: ISO 10816, API 670 - Measurements and reporting conform to globally recognized norms.
  - Resolution (Bits/Sample): 24 bits (24 bits) - High-resolution data acquisition for clearer fault detection.
  - Analysis Method: FFT, Envelope detection, Time waveform - Multiple techniques are used to isolate different fault signals.
  - Sensor Type Compatibility: Accelerometer, Velocity pickup, Displacement probe - Choice depends on machine speed and measurement objectives.

### Turning & Undercutting

Renown Electric’s Turning & Undercutting service reconditions motor commutators and slip rings. Technicians machine the copper bars to a true round surface and undercut the insulating mica between segments. This maintenance improves brush contact, reduces sparking, and prevents electrical shorts, significantly extending the life and reliability of DC or wound-rotor motors.

- Process: Turning & Undercutting
- Highlights: Removes high spots, pitting, and burns on commutators, Undercuts insulation to maintain brush clearance, Reduces arcing and uneven brush wear, Performed on-site for large or critical machines
- Specifications:
  - Service Capacity: Individual motors needing periodic maintenance, Multiple machines in scheduled outage programs - Suited for both small single-job tasks or large fleets
  - Turning Tolerance: 0.0005-0.002 in - Typical runout and roundness tolerance after final turning pass
  - Undercut Depth: 0.04 in (1 mm) - Mica undercutting typically 1 mm (0.04 in) below copper bar surface
  - Machinery: DC motors and generators, Wound-rotor AC motors with slip rings - Applicable to any brush-type rotating equipment needing commutator/slip ring maintenance

### Motor Drive Repair

Renown Electric provides comprehensive repair and maintenance services for a wide range of AC, DC, servo, and spindle drives. By diagnosing electronic components, drive boards, and power modules, Renown identifies and resolves overheating, speed regulation issues, torque problems, and other performance failures. The team also offers preventive and predictive maintenance programs that include drive surveillance for early fault detection and, if needed, infrared thermography. Renown’s rapid turnaround minimizes downtime while maximizing drive service life and energy savings.

- Process: Motor Drive Repair
- Highlights: Repairs AC/DC/servo/spindle drives, Preventive (PM) & predictive (PdM) maintenance, Electronic diagnostics & load testing, 24/7 emergency response to minimize downtime
- Specifications:
  - Service Capacity: Handles anything from single urgent drive repairs to large-scale programs spanning dozens of production lines. - Suitable for quick one-off fix or multi-facility ongoing maintenance.
  - Diagnostic Interface: RS-485 / MODBUS, Ethernet/IP or PROFIBUS, Drive OEM diagnostic panel - Used for reading fault logs, real-time statuses, and parameter changes.
  - Input Voltage Range: Low-voltage drives (200–240 VAC), Medium-voltage drives (380–480 VAC), Some high-voltage or custom ranges per OEM - Compatibility depends on brand and model constraints.
  - Software Or Firmware Revision: Manufacturer-specific drive firmware updates, Parameter backups & restoration - Ensures the drive uses the latest stable release; reconfiguration after major board replacements.
  - Output Capacity: Fractional HP up to hundreds of HP, Current rating typically from a few amps to hundreds of amps - Load capacity validated during test bench operation or partial load runs.
  - Protection Class: IP20 to IP54 enclosures typical, NEMA-rated enclosures for dusty or wet environments - Appropriate drive housing identified for environmental conditions.
  - Calibration Tolerances: Speed accuracy ±0.5–1.0% of setpoint, Torque reference checks within ±2–3% nominal - Adjusted via drive parameter tuning and hardware verification on diagnostic bench.
  - Turnaround Time: 1-3 weeks - Typical range for diagnostics/repairs; expedited scheduling available for emergency failures.
  - Drive Type: AC variable frequency drives (VFDs), DC drives, Servo drives, Spindle drives - Covers standard industrial motor controls up to multi-axis servo/spindle systems.
  - Cooling Requirements: Forced air or liquid cooling per drive design, Heatsink cleanliness verified for thermal management - Overheating commonly reduces lifespan or causes intermittent faults.

### In-Field Rewinding

Renown Electric’s In-Field Rewinding service restores electric motors and generators on-site, eliminating the need for removal and shipment to a repair shop. Technicians remove failed coils, fabricate and install new windings with high-grade insulation, and perform comprehensive testing to return machinery to service quickly. This rapid turnaround is ideal for large, critical, or hard-to-move motors, ensuring minimal downtime.

- Process: In-Field Rewinding
- Highlights: Performed on-site for large AC/DC motors or generators, Rebuilds stator or rotor coils to OEM or improved specifications, Upgraded insulation materials for extended service life, Reduces downtime by avoiding off-site transport
- Specifications:
  - Testing Methods: Megohmmeter (insulation resistance), Surge comparison testing, No-load/run testing post-rewind - Ensures the rewound motor meets or exceeds OEM requirements
  - Service Capacity: Emergency single machine repairs, Planned maintenance across multiple units - Suited for both single critical motors and site-wide rewind programs
  - Max Voltage Class: Low voltage (480–600 V), Medium voltage (1 kV–7.2 kV), High voltage (up to 13.8 kV) - In-field techniques and insulation are selected per voltage class
  - Machinery: Large AC induction motors, DC motors/generators, Marine, power plant, industrial drives - Any coil-wound rotating equipment that cannot be easily moved

### Dynamic Balancing

Renown Electric’s Dynamic Balancing service corrects mass imbalances in rotors, impellers, fans, and shafts. Technicians measure vibration signatures on-site or at Renown’s in-house facility, then precisely add or remove weight to achieve optimal distribution. This minimizes wear on bearings, reduces energy losses, and ensures compliance with industry vibration standards, ultimately extending machinery life and reliability.

- Process: Dynamic Balancing
- Highlights: Performed both in-situ and in Renown’s dedicated shop, Reduces vibration and bearing stress, Improves operational efficiency and safety, Achieves ISO G2.5 or tighter tolerances
- Specifications:
  - Maximum Diameter Capacity: 70.9 in (1800 mm) - Determined by balancing machine swing limits.
  - Maximum Rotor Weight Capacity: 11023 lbs (5000 kg) - Approximate capacity for in-shop balancing; larger rotors may be accommodated with prior coordination.
  - Balancing Method: On-site (in-situ), Off-site (shop balancing) - Method is selected based on rotor size, accessibility, and urgency.
  - Balancing Grade (ISO G): G2.5, G1.0 - Tolerances per ISO balancing quality requirements.
  - Operating Speed Range (RPM): 100-20000 rpm - Balancing speeds vary based on rotor design and safe operating limits.

### Oil Analysis

Renown Electric’s Oil Analysis program tests lubricants from motors, gearboxes, and hydraulic systems to detect wear metals, contamination, and additive depletion. By identifying developing issues—such as bearing wear or water ingress—well in advance, the service helps facilities avoid sudden failures and optimize maintenance schedules.

- Process: Oil Analysis
- Highlights: Early detection of mechanical distress through wear debris analysis, Prolongs asset life by maintaining optimal lubrication, Prevents catastrophic breakdowns with timely oil replacement, Follows ASTM-based test panels for accurate results
- Specifications:
  - Oil Type Compatibility: Mineral, Synthetic, Food-grade - Analysis accommodates various oil formulations used in different industries.
  - Test Panel: Viscosity index, Total Acid Number (TAN), ISO particle count, Water content - Key parameters evaluated for condition monitoring.
  - Standard Test Methods Used: ASTM D445, ASTM D5185, ASTM D6304 - Commonly includes viscosity, spectrometric analysis, and water content determination.
  - Sampling Interval/Frequency: 1-6 months - Interval depends on equipment criticality and environmental conditions.

### Generator Rebuild & Rewinding

Renown Electric specializes in rebuilding and rewinding industrial generators to OEM standards, backed by over 30 years of expertise. Services are performed primarily at the 34,000 sq. ft. Large Motor Service Center in Vaughan, Ontario, with smaller or specialized generators also handled at Concord. Utilizing advanced, computer-controlled coil winding equipment, precision cleaning processes, on-site vibration analysis, and predictive maintenance, Renown reduces downtime, optimizes efficiency, and supports critical operations for power utilities, steel production, paper/pulp mills, and refineries. CSA qualification for hazardous-location repairs and ISO 9001:2015 certification underline Renown’s commitment to safety, quality, and reliability in every generator rebuild.

- Process: Generator Rebuild & Rewinding
- Highlights: Over 30 years of generator rebuilding expertise, CSA-qualified for hazardous-location repairs, Advanced computer-controlled coil winding and testing, In-house or on-site services with quick turnaround
- Specifications:
  - Service Capacity: Handles single urgent generator rebuilds or large-scale utility refurbishment programs. - Scalable solutions from small industrial sets to extensive power generation fleets.
  - Environmental Conditions: Hazardous locations (CSA repair qualification), High-humidity or corrosive settings - Rewinds and insulation suited to site conditions.
  - Output Voltage And Frequency: Common voltages: 480 V, 2400 V, 4160 V, 13.8 kV, Frequency 50 or 60 Hz, tested accordingly - Confirmed via final run tests and dedicated AC test stands.
  - Coil Winding Data: Turn count, pitch, wire gauge per OEM or custom specs, Computer-assisted coil forming - Ensures consistent coil geometry and performance.
  - Balancing Tolerances: ISO 1940 G2.5 or G1 for low vibration, Dynamic balancing done on Schenck H60B stand - Minimizes runout and extends bearing life in large rotors.
  - Insulation Class: Typically Class F/H with optional Class N, VPI or dip-and-bake processes - Selected based on generator voltage, temperature, and duty cycle.
  - Turnaround Time: 1-5 weeks - Depends on generator size, coil complexity, and required testing.
  - Electrical Testing: Surge testing, hipot (AC/DC), Winding insulation resistance (megohmmeter), No-load run or partial load test - Ensures structural integrity and performance of rewound generator.
  - Generator Type: AC synchronous generators, DC generators, Steam turbine-driven or hydro sets - Range includes small industrial to large utility-scale units.
  - Cooling Method: Open drip proof (ODP), TEFC (totally enclosed fan cooled), CACW or TEWAC for large utility sets - Based on generator enclosure and site environment.

## Certifications

- ISO 9001:2015 (Type: Certification; Authority: International Organization for Standardization (ISO); Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.iso.org/iso-9001-quality-management.html)
- Electrical Apparatus Service Association (EASA) Membership (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://easa.com)
- CSA Hazardous Location Motor Repair Qualification (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.csagroup.org)
- ISNetworld (ISN) Compliance (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.isnetworld.com)
- Exiros Compliance (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.exiros.com)
- Quadrem Compliance (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.quadrem.com)
- Cognibox (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.cognibox.com)
- Avetta (formerly BROWZ) Compliance (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.avetta.com)
- Contractor Compliance (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.contractorcompliance.io)
- ContractorCheck Accreditation (Type: Certification; Status: Active; Issue date: 2024-12-01; Expiration date: 2025-12-01; URL: https://www.contractorcheck.ca)
- SKF Certified Rebuilder Program (Type: Certification; Authority: SKF; Status: Active; Scope: SKF Certified Rebuilder status covering electric motor repair/rebuilding to SKF standards at Renown Electric’s Vaughan, Ontario and Concord, Ontario facilities.; Issue date: 2025-02-01; URL: https://www.skf.com/us/services/skf-certified-rebuilder)

## Industries Served

- General Manufacturing: Handles AC/DC motors for diverse manufacturing lines, with in-shop rewinds, custom coil fabrication, and 24/7 field support. Equipment up to 13.8 kV can be tested under load, ensuring minimal downtime for general manufacturing operations.
- Mining, Metals & Minerals Processing: Repairs and overhauls high-horsepower motors for crushers, conveyors, and other mining equipment. Hazardous-location certification and a large-motor service center accommodate operations in dusty, high-stress mining environments.
- Elevators & Escalators: Specializes in gearless and geared elevator motor overhauls. Expertise includes rewinding, dynamic balancing, and compliance with EN 81/ASME A17 codes for reliable operation of elevator and escalator systems.
- Aggregates & Quarrying: Overhauls motors used in aggregates processes such as crushing and screening. Certified repair for explosion-proof units and in-house machining capabilities help reduce downtime in high-wear quarry applications.
- Municipal Infrastructure: Provides motor repair and replacement services for public works, including transit, pumping, and treatment facilities. Large test stands and quick-turn field services support continuous operation of municipal systems.
- Water & Waste-Water Treatment: Handles pump, blower, and aeration motors in water/waste treatment plants, with CSA certification for explosion-proof equipment. Coil winding and on-site troubleshooting services enable reliable operation under regulated environmental conditions.
- Hydroelectric: Focuses on large hydroelectric generators, penstock motors, and ancillary power components. Capabilities include form-wound coil manufacturing, heavy crane lifts, and full-voltage testing to maintain flow management and environmental compliance.
- Energy & Power Generation (inc. Renewables): Supports power plants by remanufacturing industrial generators, turbines, and large drive motors. Heavy-lift crane capacity and advanced testing up to 13.8 kV meet the stringent reliability demands of fossil, nuclear, and other power-generating facilities.

## Facilities

### Renown Electric Motors & Repair

Spanning 25,000 square feet in Concord, Ontario, this location serves as Renown Electric’s headquarters and primary repair facility. With advanced testing equipment, a fully equipped machine shop, and ISO 9001–certified operations, it provides rapid turnaround for small-to-medium electric motor repairs. Convenient access to major highways ensures efficient logistics and seamless coordination with corporate offices for streamlined customer support.

- Type: service_repair_center
- Headquarters: Yes
- Email: info@renown-electric.com
- Phone: +1 877-742-3665
- Address: 99 Ortona Court, Concord, Ontario L4K3M3, Canada

### Large Motor Service Center

Purpose-built facility for large motors and generators (up to 13.8 kV), featuring specialized coil manufacturing and a 50-ton crane.

- Type: service_repair_center
- Email: info@renown-electric.com
- Phone: +1 877-742-3665
- Address: 78 Bradwick Drive, Vaughan, Ontario L4K1K8, Canada

### Pine Valley Road Warehouse

Dedicated warehouse for new motors, refurbished units, and customer spares, enabling rapid distribution and minimal downtime.

- Type: distribution_center
- Email: info@renown-electric.com
- Phone: +1 877-742-3665
- Address: Pine Valley Drive, Woodbridge, Ontario, Canada

### King Vaughan Road Warehouse

Additional dedicated warehouse for new motors, refurbished units, and customer spares. Strategically located near major transit routes for rapid distribution and minimal downtime.

- Type: distribution_center
- Email: info@renown-electric.com
- Phone: +1 877-742-3665
- Address: King Vaughan Road, Vaughan, Ontario, Canada

## Verification Status

- Business Entity: Verified 5/22/2025
- Technical Capabilities: Verified 5/22/2025
- Locations & Facilities: Verified 5/22/2025
- Reviews & Ratings: Not yet verified
- MFR.ID Created: 2/3/2025
- Last Updated: 4/22/2026