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.

Sheave Regrooving includes the remachining or replacement of worn grooves in sheaves used for belt or wire rope drives. This service improves wear life, alignment, and load transfer efficiency. It may also involve custom sheave fabrication to original specifications.

Sheave Regrooving

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.

Machining encompasses a variety of manufacturing processes aimed at shaping and removing material from a workpiece. This includes both computer-controlled processes, such as CNC milling, turning, and routing, as well as non-traditional methods like Electrochemical, Chemical, and Photochemical Machining.

CNC Machining

Supports high volume production demands, ensuring scalability and competitive cost for large-scale orders.

Meets the needs of medium volume production, offering cost efficiency for expanding product lines.

Designed for prototyping and small batch runs, allowing for rapid iteration and testing.

Optimized for low volume production, ideal for market introduction and specialized products.

Machine Shop Services

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.

Winding Analysis is an electrical test procedure used to assess the condition of stator and rotor windings in electric motors and generators. It includes surge testing, insulation resistance, and impedance checks to detect faults.

Winding Analysis

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.

A Modernization Survey evaluates existing electrical and mechanical systems to determine upgrade potential for improved efficiency, control, or compliance. It includes assessments of motors, drives, control systems, and mechanical assemblies.

Modernization Survey

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.

Gearbox Rebuild & Repair involves the disassembly, inspection, reconditioning, or replacement of gears, bearings, seals, and housings within industrial gearboxes. The process restores mechanical performance, resolves wear issues, and extends service life in power transmission systems.

Gearbox Rebuild & Repair

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.

Laser Alignment is a precision maintenance service that uses laser-based systems to align rotating machinery shafts and couplings. Proper alignment reduces vibration, bearing wear, and energy consumption.

Laser Alignment

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.

Motion Amplification Monitoring is a vibration analysis technique that visually magnifies subtle motion in machinery using high-speed video and software processing. It reveals misalignment, looseness, and resonance in dynamic systems.

Motion Amplification Monitoring

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.

Infrared Thermography is a non-contact inspection method using thermal imaging cameras to detect abnormal heat patterns in electrical and mechanical systems. It helps identify overloaded circuits, loose connections, insulation defects, and misalignments.

Infrared Thermography

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.

Electric Motor Rebuild & Rewinding is a specialized service process involving the disassembly, inspection, cleaning, re-insulation, rewinding, reassembly, and testing of electric motors (AC and DC). This process restores or enhances the operational integrity and efficiency of motors used in industrial applications. It typically includes steps such as stator and rotor coil rewinding, varnish impregnation, dynamic balancing, and functional testing.

Electric Motor Rebuild & Rewinding

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.

Motor Management refers to the tracking, maintenance planning, failure analysis, and lifecycle optimization of electric motors across a facility. It integrates testing, reporting, repair history, and asset condition data.

Motor Management

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.

On-Site Machining includes precision machining services such as line boring, flange facing, and journal turning conducted at the equipment location. It minimizes equipment downtime by eliminating disassembly and transport.

On-Site Machining

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.

Servo Motor Repair covers the inspection, encoder testing, bearing replacement, rewinding, and re-commissioning of servo motors used in precision motion systems. It ensures high responsiveness, accuracy, and compatibility with servo drives.

Servo Motor 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.

MG Set Repair focuses on maintaining or restoring Motor-Generator sets used for converting electrical power. The process includes motor and generator inspection, bearing replacement, rewinding, shaft balancing, and control system tuning.

MG Set Repair

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.

Brush Survey is a diagnostic service performed on electric motors and generators to evaluate the condition, wear pattern, pressure, and alignment of carbon brushes. It helps optimize brush life, commutator performance, and motor reliability.

Brush Survey

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.

Pump Repair includes inspection, disassembly, replacement or reconditioning of shafts, seals, impellers, bearings, and housings in centrifugal or positive displacement pumps. This process restores fluid flow performance and prevents mechanical failure in critical systems.

Pump Repair

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.

Vibration Analysis is a predictive maintenance technique that monitors and interprets vibration signatures in rotating equipment. It identifies imbalance, misalignment, bearing faults, and mechanical looseness.

Vibration Analysis

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.

Turning & Undercutting is a commutator maintenance process used in electric motor servicing. It involves lathe-turning the commutator to a uniform surface and undercutting the mica insulation between segments to prevent electrical shorting.

Turning & Undercutting

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.

Motor Drive Repair refers to the troubleshooting, repair, and calibration of electronic variable frequency drives (VFDs), servo drives, and motor controllers. The process restores motor control performance and includes component-level repair, software updates, and heat management fixes.

Motor Drive Repair

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.

In-Field Rewinding is the process of performing stator or rotor coil rewinding directly at the equipment location without removing the motor or generator from service. This reduces downtime and enables rapid recovery of critical systems.

In-Field Rewinding

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.

Dynamic Balancing is a service that identifies and corrects unbalance in rotating components such as rotors, impellers, or shafts while in motion. It improves mechanical performance, reduces vibration, and extends bearing and equipment life.

Dynamic Balancing

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.

Oil Analysis is a condition-monitoring service that evaluates lubricant properties, contamination, and wear particles to assess the health of mechanical systems. It helps detect internal wear, overheating, and contamination early.

Oil Analysis

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.

Generator Rebuild & Rewinding involves the inspection, disassembly, stator/rotor rewinding, varnishing, and testing of electric generators. It is typically used to restore output efficiency, insulation integrity, and reliability in industrial and backup power systems.

Generator Rebuild & Rewinding

A global standard for quality management systems focusing on continuous improvement and customer satisfaction.

ISO 9001:2015

Membership in a trade association dedicated to electromechanical equipment repair, maintenance, and service.

Electrical Apparatus Service Association (EASA) Membership

A qualification for motor repair facilities to ensure safe and compliant repairs in hazardous or explosive environments.

CSA Hazardous Location Motor Repair Qualification

An online platform for contractor management, focusing on safety, insurance, and regulatory information.

ISNetworld (ISN) Compliance

A procurement and contractor management solution ensuring suppliers meet Exiros-defined standards and processes.

Exiros Compliance

A platform verifying supplier and contractor compliance with safety, financial, and regulatory standards.

Quadrem Compliance

A contractor management system monitoring health, safety, and training compliance for industrial worksites.

Cognibox

Supply chain risk management platform that ensures contractors meet safety, sustainability, and regulatory requirements.

Avetta (formerly BROWZ) Compliance

A platform helping companies collect, verify, and manage contractor documents to meet compliance standards.

Contractor Compliance

Health and safety accreditation verifying that contractors meet legislative and client requirements.

ContractorCheck Accreditation

A quality certification for rotating equipment rebuilders, recognizing facilities that meet SKF's stringent standards for remanufacturing practices, training, equipment, and environmental controls.

SKF Certified Rebuilder Program

Turbines, generators, balance-of-plant systems, and infrastructure spanning fossil, nuclear, wind, solar, hydro, and energy-storage projects. IEC / UL performance standards, robust fabrication, and long-life reliability support global power demand and decarbonization goals.

Energy & Power Generation (inc. Renewables)

Performs repairs on generators for wind farms and hydroelectric facilities, with rapid coil rewinding and high-voltage insulation testing. Service offerings ensure compliance with efficiency targets and environmental standards in renewable energy projects.

Focuses on the extraction, crushing, and processing of raw materials like sand, gravel, and crushed stone for construction and industrial uses. Emphasizes heavy-duty machinery and compliance with environmental and safety standards.

Aggregates & Quarrying

Heavy-duty equipment, wear-resistant components, and downstream smelting or refining systems for mineral extraction and metal production. MSHA safety, abrasion-resistant materials, and harsh-environment design ensure reliable operation in demanding conditions.

Mining, Metals & Minerals Processing

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.

Involves the design, development, and upkeep of public infrastructure—roads, bridges, sewage systems, water supply, and transit facilities—ensuring safety, durability, and adherence to local or national standards.

Municipal Infrastructure

Structural steel, prefabricated assemblies, HVAC modules, and envelope systems supplied to residential, commercial, and infrastructure projects. ASTM / ICC code compliance and BIM-ready data enable efficient, high-quality building delivery.

Construction Products & Building Materials

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.

Equipment and process systems for municipal and industrial water purification, desalination, and wastewater treatment—including filtration, membranes, chemical dosing, and sludge handling. Solutions meet NSF/ANSI 61, EPA discharge limits, and global environmental regulations to safeguard public health and natural resources.

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.

Focuses on the design, construction, and maintenance of hydroelectric facilities, encompassing dams, turbines, and power transmission systems. Emphasizes reliable water flow management, corrosion-resistant materials, and environmental compliance.

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.

The design, fabrication, and assembly of diverse products across multiple end‐use industries or specialized, project‐based needs. Emphasis is on versatility, custom solutions, and broad expertise to handle unique or varied manufacturing projects outside of more narrowly defined sectors.

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.

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.

Centers on the design, fabrication, installation, and servicing of vertical and inclined transportation systems. Ensures safety, smooth operation, and compliance with building codes (EN 81, ASME A17).

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.

Services a wide array of high-voltage rotating equipment across oil & gas, power, and renewables. ISO 9001:2015 processes, OEM-authorized repairs, and round-the-clock emergency support align with rigorous energy sector requirements.

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.

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.

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

Large Motor Service Center

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

Pine Valley 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.

King Vaughan Road Warehouse

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.

Renown Electric Motors & Repair

ISO 9001:2015–certified motor & generator specialist with 24/7 service, large-motor expertise, and OEM partnerships.

Renown Electric

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