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Die Casting Liquid Cooling New Energy Storage Battery Pack End Plate

  • Die Casting Machine Cold Chamber Alum Die Cast Machine 400T
  • Die Casting Method Precision Die Casting
  • Application Battery Pack End Plate
  • Machining CNC Machining
  • Material A380
  • Certification ISO 9001:2015
  • Capacity 500000 Pieces/Year
  • Transport Package Wooden Pallet
  • HS Code 7616991090
  • Origin Dong Guan of China
  • Shipment By airmail or by Sea
  • Due-date Two month

Process

1, Aluminum die casting

Equipment: 280T aluminum die casting machine, Material: A380

Process characteristics
a. Furnace temperature: 670°±20°, Material handle: 20±2MM;
b. Secondary materials cannot be used;
c. Test the material composition to confirm that it is OK and can be produced;
d. First piece confirmation is required after die-casting.

Precautions:

a. The filling quality of the surface needs to be confirmed. No cold insulation, no bulging, or lack of material for the pillars. 
b. Pay attention to the surface to avoid sticking molds, drawing molds, or poor ejector pin convexity. 
c. The ejector pins are concave by 0-0.2mm for non-machine-added surfaces and 0-0.2mm for machine-added surfaces. The thimble needs to be convex 0-0.2mm.

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2, Remove spout (Saw spout and knock out slag bag)

Equipment : Wooden Stick/sawing machine/labor protection gloves

Precautions:

a. Pay attention to the surface without crushing or shortage of materials.
b. Control the appearance and size.

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3,  IPQC inspection

Test tool: Caliper, projection, three-dimensional, visual inspection of appearance.

Precautions:

Use measuring tools correctly and check dimensions according to drawings.

4, Grinding

The sharp corners of the product are chamfered, deburred, non-machined ejector pins are sharpened, and polished to smooth the appearance.
Equipmen : wind grinder, 120# sandpaper

Precautions:

No processing should be missed, no sharp corners or burrs should be removed, and the R corners should be connected smoothly.

5, SHAPING

Equipment : knife-edge ruler, shaping fixture

Precautions:

Within 0.25mm of the front plane of the product

6, IPQC inspection

Visual inspection of appearance

7, CNC(CNC machining + Deburring + cleanning)
CNC machining + Tapping of 2 through holes for M3 teeth
Equipment :
  Tapping Machines/M3 Taps, Burr knife/Ultrasonic cleaning tank/Air gun.

Precautions: 

a. Do not over-cut or miss processing; 
b. Be careful not to scratch or burr the surface; 
c. Guaranteed dimensional and form tolerances
                 

8, Laser engraving two O-port location planes

Equipment :
Laser engraving machine, laser engraving fixture

Note:

a. Check that there can be no burrs, particles, aluminum chips on the edge of the O-shaped orifice;
b. The plane should be complete laser engraving, and the surface after laser engraving is not allowed to be polluted with oil and black marks!
9, 100% material inspection- Appearance visual inspection

Note:

a. Appearance should be inspected according to the sample, and the surface should be free from dirt, scratches and defects.
b.The tooth pattern should be in accordance with the checking of through and through rule.
c.The products are put into the blister tray, covered with white rice paper and then packed into boxes.

10,IPQC inspection:

Visual inspection of appearance

11, Full inspection of appearance + packaging
Comprehensive inspection of products and packaging
Equipment: Carton, Knife card, Clapboaro,bubble bag
Note:
a. The appearance shall be inspected according to the sample. The surface shall be free of dirt, scratches, dents and defects, and the glue dispensing shall be even and without defects! 
b. The tooth pattern must comply with the pass-and-stop inspection. 
c. The product is placed in the knife card, covered with flat cardboard on the upper layer, and then packaged.

12, FQC inspection
Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection

Note: 

Whether the measuring tool is within the calibration period.

13, Shipping

Precautions: 

a. make sure the quantity is the same as order.
b. Label and stamp on the outer box
c. Provide a shipping report.

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14, OQC shipping inspection

Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection

Precautions:

Whether the measuring tool is within the calibration period. Whether it is consistent with SIP requirements and customer requirements.