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Train Axle Specification Example for Rental Motorcycles: Long Life Version

Source:Universal Gear Shift Knob / Time:2026-09-18

Train Axle Specification Example for Rental Motorcycles: Long Life Version

This is a worked specification for train axle in a long life 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 long life version version exists because the duty cycle on rental motorcycles is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually reorders that did not match the approved sample.

Train Axle

Example specification

ItemTrain Axle
ApplicationRental Motorcycles
VersionLong Life Version
Base materialChromed Steel
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishzinc plated
MOQ500 pieces per specification
Sampling7 working days, 5 days per revision
ComplianceISO 9001

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Chromed Steel, 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.

Train Axle example

Processes involved

  • heat treatment
  • gravity casting
  • surface grinding
  • die casting
  • electroplating
  • powder coating

Where this example applies

Programmes that run long life version most often specify this build for rental motorcycles. Related applications include city buses, passenger cars, assembly programmes, utility trailers, off-road bikes.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 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

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the ISO 9001-compliant build instead of a fresh interpretation.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 500 pieces per line.

What is the minimum order quantity?

The standard MOQ is 500 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

What testing is included?

Standard lots ship with dimensional and hardness reports. ISO 9001 documentation is issued with the shipment when your market requires it.

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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