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Casting information--Pot

September 06, 2024
1. Casting information.
name: Pot
requirements:surface requirements
casting process: 
Die Casting machine tonnage:300T
punch dia (mm):70-80
alloy material: ADC12
casting weight (g):1400
casting size(mm): 315*100
2.casting problem
slag ladle position has cold lap and porosity,see the defects photo
3.Casting picture
pic 1 front top view
4. Casting analysis
This case is pot castings, such products have thin wall thickness, requiring higher gate speed and shorter molding time. Due to the selection of machine 300T is too small, locking force is not enough, liquid leaks on parting surface running, cavity pressure relief and runner pressure transfer loss, leading to poor forming.
5. Improving measures
①. by calculating (φ315/2) ²X3.14 product projection area X1.3 (flow channel + slag  projection area) =1013cm², so should choose 630T die-casting machine.
②.Increase the cross-sectional area of the front end of the runner and connect with the main channel. The cross-sectional area of the runner should be reduced by 1.2:1.0 from the main runner.
6.Tips
About tonnage:
The locking force of the equipment is the basis to select equipment, and small machine can not be selected just because of saving the closing cost. Insufficient locking force leads to equipment
performance can not be played. speed pressure can not meet production conditions.
Contact Us

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Mr. Logan

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