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Sport Bumper Specification Example for Long-Haul Trucks: Vented Design

Source:Strut-Type Shock Absorber / Time:2026-09-18

Sport Bumper Specification Example for Long-Haul Trucks: Vented Design

This is a worked specification for sport bumper in a vented design 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 vented design version exists because the duty cycle on long-haul trucks is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually lead time that slipped twice before bulk started.

Sport Bumper

Example specification

ItemSport Bumper
ApplicationLong-Haul Trucks
VersionVented Design
Base materialPolypropylene
Controlled dimensions5 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishpainted
MOQ1,000 pieces per specification
Sampling7 working days, 5 days per revision
ComplianceISO/TS 16949

How the example is built up

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

Sport Bumper example

Processes involved

  • robot welding
  • electroplating
  • precision stamping
  • die casting
  • assembly line testing
  • ultrasonic cleaning

Where this example applies

Programmes that run vented design most often specify this build for long-haul trucks. Related applications include utility trailers, three-wheelers, construction equipment, trailer axles, long-haul trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 4.0 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 1000 pieces per line.

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

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.

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

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