How to quickly evaluate product surface shrinkage using 3D software

 How to quickly evaluate product surface shrinkage using 3D software

UGNX:




1,  Select the check wall thickness command:


the part normal thickness is 2.56mm

you can move you mouse to the reddest areas to measure the largest thickness, but if you Change the part display mode to wireframe, you can see a ball,  this is the software creating that this area can be built largest ball into this.


then how do we determine whether this areas will show sink marks?

 

∅E ≤ 1.18A. If this area is close to the gate, the meaning the flow length ratio is relatively small, this ∅E value can be further increased.

2.56mm*1.18=3.02mm<3.10mm  so we can think this areas will be show a bit sink mark.

#sink #mark #injection #molding #defect, #plastic #part #cosmetic #defect, #design #plastic #product #standard, #DFM, #technique

Best regards,
Maggie

ShenZhen HuaKaiYu Technology Co, Ltd. 

Mobile / Whatsapp/ Wechat /Teams :0086 15920030230
E-mail: sales@hky-technik.com 













































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