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Steel Spoke Specification Example for Construction Equipment: Low Maintenance Version

Source:Tire Balancing Machine / Time:2026-09-18

Steel Spoke Specification Example for Construction Equipment: Low Maintenance Version

This is a worked specification for steel spoke in a low maintenance 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 low maintenance version version exists because the duty cycle on construction equipment is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually packing that arrived crushed at the port.

Steel Spoke

Example specification

ItemSteel Spoke
ApplicationConstruction Equipment
VersionLow Maintenance Version
Base materialABS Plastic
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishanodised
MOQ500 pieces per specification
Sampling10 working days, 3 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 — ABS Plastic, 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.

Steel Spoke example

Processes involved

  • die casting
  • ultrasonic cleaning
  • rubber vulcanisation
  • laser cutting
  • surface grinding
  • precision stamping

Where this example applies

Programmes that run low maintenance version most often specify this build for construction equipment. Related applications include light trucks, municipal fleets, assembly programmes, construction equipment, scooter fleets.

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 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.

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.

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.

How long does sampling take?

Samples leave the factory in 10 working days, and each revision round adds about 3 days once you have seen the first piece.

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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