Specialization · Motors & Gearboxes
Motor & Gearbox Solutions
Complete machining support for motor and gearbox manufacturers and repair houses — motor shafts from fractional HP to 500 HP, gearbox input/output/intermediate shafts, motor end covers and flanges, and full component repair and reconditioning.
What's Included
Core capabilities
Motor Shaft Range
AC/DC induction motors, servo motors, and brake motors — fractional HP up to 500 HP.
Gearbox Shafts
Input, output and intermediate shafts for helical, bevel, worm, and planetary gearboxes.
Motor Covers & Flanges
B5/B14 flange fits, bearing housings and terminal boxes bored to H7 tolerance.
Repair & Reconditioning
Bearing seat buildup, thread restoration, and shaft straightening for worn motor and gearbox parts.
Related Services
Services under this specialization
Fractional HP – 500 HP
Motor Shaft Machining
Specialized motor shaft manufacturing for AC/DC induction motors from fractional HP to 500 HP, servo motors, and brake motors. Includes bearing seat machining with k6/m6 fits, keyway cutting, threading, and surface grinding for seal surfaces. Also offers shaft reconditioning and repair services.
View Details →Helical / bevel / worm / planetary
Gearbox Shaft Machining
Precision input shafts, output shafts, and intermediate shafts for industrial gearboxes, speed reducers, and geared motors. Gear blank machining, involute spline cutting, bearing fit machining, oil seal surface finishing, and gearbox housing boring.
View Details →B5 / B14 flange fits
Motor Cover Manufacturing
Custom motor end covers, bearing housings, flanges (B5/B14), terminal boxes, fan covers, and enclosures in cast iron, ductile iron, mild steel, stainless steel, and aluminum. Precision boring of bearing seats to H7 tolerance, drilling and tapping on PCD.
View Details →Weld build-up & re-machining
Engineering Component Repair
Industrial component repair, reconditioning, and refurbishment for shafts, housings, gears, pulleys, and machinery parts. Bearing seat buildup by welding and re-machining, thread restoration, shaft straightening, keyway repair, and surface buildup.
View Details →Tolerance up to H7
Bore Machining
Precision internal boring for motor housings, gearbox housings, pump cylinders, bearing housings, pulleys, gears, and couplings. Through bores, blind bores, step bores, taper bores, counterbores, and internal grooving for circlips, O-rings, and oil seals.
View Details →0.1 Ra – 1.6 Ra finish
Surface Grinding
Precision surface grinding for flat surfaces up to 1000 mm length and 400 mm width. Cylindrical grinding for shafts, centerless grinding for high-volume production, internal grinding for bores and bushings, and tool and cutter grinding.
View Details →Send your drawing or sample for motor & gearbox solutions
We'll confirm material, process and lead time and get back with a quotation.