baidashan 发表于 2011-4-18 16:24:36

刀具磨损

为什么设置磨损模型以后，结果总是没有wear rate和wear depth呢？请大侠指点啊！谢了！

a147741sx 发表于 2011-5-26 21:07:09

没有设置硬度吧？

popo868 发表于 2011-5-30 10:19:53

硬度单位是什么啊？维氏硬度还是洛氏硬度？ 2# a147741sx

YellowCAT 发表于 2011-6-1 14:01:35

For tool wear analysis material hardness is an important parameter for the punch. From the object tree select the top die (punch). Select ‘Advanced’ menu and select ‘Element Data’ icon.
Select the ‘Hardness’ option and initialize the element hardness data as 55. This value is a typical hardness value in Rockwell-C scale for H13 steel (as hardened condition).

這是從DEFORM附帶的手冊裡面其中一份資料裡擷取出來的，應該是洛氏硬度值沒錯，請參考看看吧

a147741sx 发表于 2011-6-7 12:04:18

不过有的材料（比如CBN，金刚石）就不能用洛氏硬度，怎么办？还有wear rate和wear depth是怎么定义的？关系是什么？我发现wear rate乘以时间不等于wear depth

rosecys 发表于 2013-3-15 15:24:27

刀具磨损的问题解决了吗，想知道怎么做的，感激涕零，谢谢

rosecys 发表于 2013-3-15 15:44:05

找到解决办法了
In order to use tool wear, the following conditions must be met:
1. Thermal calculations must be turned on.
2. The tool should be meshed.
3. The tool should have a hardness value defined under Advanced->Elements
Data->Hardness.
4. The tool wear model should be turned on for the inter-object combination in
question and non-zero values should be placed for the coefficients.

clemson 发表于 2013-10-14 10:30:10

rosecys 发表于 2013-3-15 15:44
找到解决办法了
In order to use tool wear, the following conditions must be met:
1. Thermal calculati ...

你的刀具磨损模型是哪一个呀？Usui 还是Archard呀？

flybear008 发表于 2014-8-24 14:49:00

我用usui模型，设置1e-07和855，刀具硬度也设了。就是看不到wear depth和tool life怎么回事？你知道吗？下面这些步骤都设置了的。
In order to use tool wear, the following conditions must be met:
1. Thermal calculations must be turned on.
2. The tool should be meshed.
3. The tool should have a hardness value defined under Advanced->Elements
Data->Hardness.
4. The tool wear model should be turned on for the inter-object combination in
question and non-zero values should be placed for the coefficients.
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