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Casting info--Engine bridge

August 31, 2024
1.Casting info
name: Engine bridge
requirements: internal requirements
casting process:
Die Casting machine tonnage:2500T
punch dia(mm):130
material: ADC12
casting weight (g):7165
filling weight(g):9155
casting size(mm):300*390*280
average wall thickness(mm):3.5
high speed m/s:3.3
 dry injection stroke(mm):902
high speed switching position (mm):702
 flow gate section mm²:750
2.casting question:
hole inside leak .see the defects position
3.casting picture
Top front viewcasting picture
4. casting analysis
1.defects position is on the place of slide,although setting up partial extrusion,and change the direction of the upper force to downward.but the extrusion effect of the upper side and down side are not good(even in the best state,after data test of extrusion time)
2.the upper side bubble position,air tightness is strictly required.extrude mold core size is small.so the extrusion effect of this position is not good.
3.design gating system,it goes against the quality control of the defects position.there are some risks exist.
5.improving measures
1.change the force direction when partial extrusion,to increase the extrusion effect to the top side.
2.extend the extrusion time,and use augmenter to increase the extrusion effect
Contact Us

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Mr. Logan

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