Aunov Tech builds this Fuel pump electric motor housing in stainless steel, from coil or bar through to the finished surfaces. In operation, the fuel pump component carries the inlet and outlet geometry for the fuel module. The same floor forms, machines and inspects the part, so the approved sample defines every later batch without re-quoting the job elsewhere.
Product overview
For this metal housing, the drawing centres on, the forming route, the tolerance band and the sealing faces, recorded on the inspection report for every batch.
The whole route from die to finished metal housing stays in house, which keeps revision loops short and samples fast, and nothing about the route depends on a third party.
From coil to finished part
The process for this metal housing runs in a fixed sequence: Blanks are drawn in stages, with interstage annealing where the wall thins; the part is annealed between stages so the wall thins evenly.
Batch records are filed against the part number, and a reorder is a repeat, not a new start.
Materials and finishing
Standard stock includes cold-rolled steel (SPCC / DC01), 304 / 316 stainless, aluminium, brass, copper and bronze and the grade agreed for this metal housing is carbon steel or stainless.
The coating is matched to the working environment: zinc, nickel or chrome plating, anodising, powder coating, electrophoresis and passivation. It is fixed on the drawing for this metal housing, so repeat orders never reopen the question.
Later runs are measured back to the first article, and grade changes have to be agreed in writing first.
Quality control
An ISO 9001 certified system governs production: incoming material is verified against mill certificates, the CMM measures the first article dimension by dimension, and every production run is inspected against the first-article report. At fuel pump component level, leak testing is available on request, and every first article is measured for bore finish and groove geometry. Torque, leak and pressure tests are available where the assembly needs them, and the batch file carries the results.
Applications
The metal housing is specified into automotive assemblies and under-hood equipment for customers who buy to drawing.
A single design of this metal housing is often reused across a product family, so one approved version covers the whole range, and cost per piece stays at the volume tier.
Specifications
| Item | Fuel pump electric motor housing |
|---|---|
| Brand | AUNOV |
| Designing | Driven by your drawing or a physical sample – a manufacturability review comes back with the quotation; changes are priced before they are made. |
| Tooling | Tooling is built and held under your part number, so the die charge appears as its own quotation line, and first-article timing is measured from the tooling start date. |
| Samples | Pre-production samples come with a full inspection report, so any deviation is corrected at sample stage, and later batches are gauged back to the signed sample. |
| Materials | Carbon steel (SPCC / DC01), 304 / 316 stainless, aluminium, brass and copper – the grade is matched to the duty of this housing. |
| Surface finish | Zinc or nickel plating for corrosion, plus powder coating or electrophoresis on housings; laser etching on request. |
| Processing | Blanking, multi-stage deep drawing with interstage annealing, trimming and piercing, coining, then finishing. |
| Equipment | Mechanical presses from 5 to 250 T, hydraulic presses 250-500 T, annealing ovens, plus CNC turning and machining centres. |
| Tolerance | +/-0.1 mm to +/-0.2 mm general; critical features held to the drawing and verified on the first article. |
| Delivery terms | FOB Ningbo or Shanghai, T/T or L/C, with D/P accepted on repeat business; repeat orders reuse the approved first article. |
