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High Precision CNC Machining Products

High Precision CNC Machining Products

Payment Type: T/T
Min. Order: 2000 Piece/Pieces
Delivery Time: 35 Days

Basic Info

    Model No.: BL030

    Type: Cooling System, Windscreen Wiper System

    Material: Aluminum

    Muffler Type: Front Muffler

    Deck: Double

    Surface Finish: TUMBLING, Electrophoresis Coating

    Cavity Number: 2

    Weight: 70g

Additional Info

    Packaging: carton, PE pallet

    Productivity: 2500/MONTH

    Brand: NONE

    Transportation: Ocean,Land,Air

    Place of Origin: NINGBO

    Supply Ability: 210000/MONTH

    Certificate: ISO/TS16949:2009

    HS Code: 7616991090


Product Description

High Precision CNC Reducer Machining Parts,

this part is used as Stator on High precision Reducer, the carried Die Casting criterion for this part is Grade GB-CT4, the mechanical property should at least satisfy tens of thousands of rotation under required load. When the customer receive the initial samples,

When produce this product,Shrinkage should be paid close attention to
Features: in the process of condensation, the shape of the die is irregular due to insufficient internal compensation, and the surface of the die is rough.

1, alloy pouring temperature is too high.
2, the casting structure wall thickness is uneven, produce hot knot.
3, too low pressure.
4, overflow tank capacity is not enough, overflow is too thin.
5, the pressure chamber fullness is too small, surplus material (cake) is too thin, the final feeding can not play a role.
6, the gate is smaller.
7, the local temperature of the mold is high.
Exclusion measures
1. According to the alloy smelting standard, the overheating time of alloy liquid is too long, and the pouring temperature is lowered.
2, improve the casting structure, eliminate metal accumulation parts, uniform wall thickness, slow transition.
3, appropriately increase the specific pressure.
4, increase the overflow tank capacity, thickening overflow mouth.
5, increase the pressure chamber fullness, adopt quantitative pouring.
6, appropriately improve the gating system to transfer the pressure well.

What's more, the part require surface finish of electrophoresis coating, for this technology, there is a process of curing at high temperature of 170-200 degree. so for the die casting work of this part, the QC should pay attention to fracturing the part to look into the section to see if the density is good or not, whether there is mass of small porosity inside of the part, whether the particle of the section looks good etc. or because of thermal expansion, the porosity will expand to the outer surface, leading to big problems of bubbles, pits, pinholes, cause big scrap because of cosmetic defects.

This part has a requirement of assembling a M6*1 nylon locking nut. The nut is for locking the mating plastic part.

Material: ADC-12
Cavity Number: 2
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, Vibratory Deburring to make the part 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
Certificate: ISO/TS16949:2009
Lead Time: 30-35 days
Trade Term: FOB Ningbo


CNC work shop

CMM facility

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Product Categories : High Precision Machining > CNC Milling

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Mobile Phone:+8613967820967

Address:Guisi Industrial Zone, Luotuo Street, Zhenhai District, Ningbo, Zhejiang