NINGBO ZHENHAI BOLANG METAL PRODUCT FACTORY
Model No.: 306-1249
Type: Muffler Assembly, Windscreen Wiper System
Muffler Type: Rear Muffler
Surface Finish: TUMBLING, Electrophoresis Coating
Cavity Number: 1
Packaging: carton, PE pallet
Place of Origin: NINGBO
Supply Ability: 50000/MONTH
HS Code: 7616991090
Tubular System Die Casting Bracket, this part is very similar to the Aluminum Die Casting Mount Bracket 306-1235, another type, the two parts almost have the same characteristics. so the difficult points of Aluminum Die Casting Tubular System Bracket is the same as the 306-1235, the part also implement die casting general standard of Grade GB-CT4, the part has small wall thickness, it means the part probably happen to deform during production, which will cause actual application issue.
After Die Casting, the next process is de-gating, then the workshop will arrange to polish to remove the gate vestige and overflow residual. then drilling the hole, prior to e-coating, the part will be vibratory deburred. with this treatment, the scratch, the mark after deburring will be improved, the appearance will be much more consistency and beautiful.
The part has requirement of surface finish of E-Coating, which has process of curing in hot thermal oven, the temperature usually be up to 170-200 degree, the porosity mentioned above will expand and get out from the part, result in pits and bubbles on the coating. So for the first article inspection, the operator of die casting work shop and the QC inspector will fracture the part to confirm the status of the section view, to judge if the density is enough or not. The inspector also will make a record of the part weight, then, during routine inspection, they will just need to weigh the part to see if the part weight is offset the standard weight too much, if so, fracture again to look into the section. By such prevention action, the parts can be avoided batches scrap during outsourced e-coating.
Cavity Number: 1
Process Technology: High pressure die casting, Cold Chamber
Product Dimensions: Customized
Casting General Tolerance: Grade GB-CT4
Surface Finish: Polishing, Vibratory Deburring
Flow Processes: Die casting, Degating, Deburring to remove the flash around the ejector pins, Polishing to remove the parting line, Tumbling to make the part appearance more consistency, High Precision CNC Lathe Machining, E-coating, Cleaning, Packaging, Shipping
Control Measure: Incoming Material Test, First Article inspection, Routing inspection, Final item inspection, and Outgoing quality control
Inspection Equipment: CMM, Caliper, Plug Gage, Screw Gauge
Application: Auto Parts
Lead Time: 30-35 days
Trade Term: FOB Ningbo
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