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Portable Vehicle Cooler Specification Example for Workshop Replacements: Fixed Type

Source:CNG Engine For Vehicles / Time:2026-09-18

Portable Vehicle Cooler Specification Example for Workshop Replacements: Fixed Type

This is a worked specification for portable vehicle cooler in a fixed type 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 fixed type version exists because the duty cycle on workshop replacements is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a specification nobody had written down.

Portable Vehicle Cooler

Example specification

ItemPortable Vehicle Cooler
ApplicationWorkshop Replacements
VersionFixed Type
Base materialAnodised Aluminium
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishas machined
MOQ1,000 pieces per specification
Sampling7 working days, 3 days per revision
ComplianceSGS

How the example is built up

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

Portable Vehicle Cooler example

Processes involved

  • laser cutting
  • anodising
  • heat treatment
  • robot welding
  • ultrasonic cleaning
  • cold forging

Where this example applies

Programmes that run fixed type most often specify this build for workshop replacements. Related applications include camper conversions, rental motorcycles, off-road bikes, three-wheelers, workshop replacements.

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 SGS-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.

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.

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.

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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