Machining & Processes
Gearbox Repair in our own shop.
What gets done here.
Thirteen processes, one building: from CAD drawing through turning, gear cutting, water blasting and magnesium pickling to the test-bench run — all on the part you send in.
Send In Your Gearbox – How It Works
Ship us the removed gearbox: strip-down, binding quote, rebuild, test-bench run and return – the whole process explained step by step.
CAD Drawing Creation
CAD drawing creation in DWG/DXF format – even from a worn old part. Measure, reconstruct, draw: the basis of every reproduction.
CNC & Conventional Turning
CNC-turned parts up to 500 mm on a Seiler SLZ 570, conventional turning up to 600 mm diameter and 1800 mm length – one-offs and small series.
Internal & External Gear Cutting
Internal and external gear cutting up to 500 mm diameter and module 8, shafts up to 800 mm – one-offs and small series from our own workshop.
Gearbox Test Bench
Gearbox test bench: after every rebuild all gears are shifted, the final drive, sealing and noise are checked – documented before the gearbox goes back.
Keyway Slotting & Broaching
Keyways and internal profiles slotted and broached up to 32 mm width and 200 mm length on a Hahndorf machine – one-offs and small series.
Laser-Cut Parts
Laser-cut parts to drawing or DXF – with TIG welding, machining and surface finishing in-house on request.
Magnesium Pickling
Magnesium pickling in-house: old gearbox housings returned to the original, slightly mottled factory finish – our speciality for concours restorations.
Rear-Axle Overhaul
Complete overhaul of rear axles and differentials with or without LSD – including ring-and-pinion setup to factory specification, at a fixed price.
RSR Spray-Oil Cooling Conversion
Conversion to RSR spray-oil cooling as used in the 911 RSR, ST and 914/6 GT: targeted oil cooling of the gear teeth for motorsport and hard use.
Surface Finishing
Surface finishing from one source: water blasting and magnesium pickling in-house, plating, powder coating and painting organised with proven partners.
TIG Welding
TIG welding of steel, stainless steel and aluminium – clean, low-distortion and matched to the in-house machining that follows.
Water Blasting
Water blasting in-house: gentle cleaning of gearbox housings and drivetrain parts without abrasive residue – the stage before pickling or finishing.
Looking for another process?
Tell us what needs doing — we will say whether we can handle it in house.
Inquiry
What is on your bench?
Gearbox type and a few lines about your request — that is all we need for a first assessment. A photo helps but is not required. The answer comes from the machinist, not from sales.
Reply usually within 24 hours — from the managing director himself, no ticket system, no call centre. We call back on request.
or directly: 06628 9159093 · info@antriebstechnik-schmidt.de