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Wheel Drive Axles Specification Example for Racing Teams: Lightweight Version

Source:Automotive Head Seal / Time:2026-09-18

Wheel Drive Axles Specification Example for Racing Teams: Lightweight Version

This is a worked specification for wheel drive axles in a lightweight version programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The lightweight version version exists because the duty cycle on racing teams is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually premature wear on the first batch.

Wheel Drive Axles

Example specification

ItemWheel Drive Axles
ApplicationRacing Teams
VersionLightweight Version
Base materialSintered Metal
Controlled dimensions6 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishas machined
MOQ200 pieces per specification
Sampling7 working days, 3 days per revision
ComplianceE-mark

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Sintered Metal, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Wheel Drive Axles example

Processes involved

  • assembly line testing
  • heat treatment
  • electroplating
  • ultrasonic cleaning
  • sintering
  • shot blasting

Where this example applies

Programmes that run lightweight version most often specify this build for racing teams. Related applications include courier fleets, export programmes, passenger cars, dealership service, light trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 1.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 200 pieces per line.

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the E-mark-compliant build instead of a fresh interpretation.

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

What testing is included?

Standard lots ship with dimensional and hardness reports. E-mark documentation is issued with the shipment when your market requires it.

Send the specification you are working to and we will confirm what we can match, what we would change and why.

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