SHEET METAL · FINISH · INSPECTION
Steel in, racks out —
four processes and one round of inspection in between.
This page lists processes and inspection items only; capacity and lead time are not listed — those are worked out from the drawings at quotation.
Four processes
- 01Cutting and punchingCut and punch to drawing; plate thickness and hole diameter checked piece by piece.
- 02Bending and weldingBend angle, weld position and grinding checked piece by piece.
- 03Pre-treatment and coatingFive-stage pre-treatment followed by powder coating; colour checked against the colour code.
- 04Assembly and pre-fittingDoors, side panels, rails and locks pre-fitted, and their opening and closing adjusted.
Inspection items
| Inspection item | How it is checked |
|---|---|
| Plate thickness and hole diameter | Against the drawing, piece by piece |
| Bend angle | Against the drawing, piece by piece |
| Coating and colour code | Against the colour code; 500 h salt spray to ASTM B117 / D610-01 |
| Rail hole spacing | Against EIA hole spacing |
| Doors and locks | Opening and closing, latch, hinge clearance |
| Grounding continuity | Frame, door, side panel and grounding stud electrically continuous |
| Packaging | Corner pieces, film wrap, pallet, packing list |
