七星龙渊 发表于 2009-5-17 23:21:44

卧加还是立加啊？
7# cwenm

夕凡 发表于 2009-5-17 23:51:05

不断屑阿，冷却压力提到30bar可以？越高约好
提高进给到0.4，降低线速度保证F不变，加工到120深停顿0.3S，这应该对节拍影响不打。
若还不行，观察钻头槽型是否利于断屑
GUHRING对于深孔钻很有研究和实际成功经验。

七星龙渊 发表于 2009-5-18 00:17:35

Sandvik有10倍径以上的钻头吗？麻烦告诉一下型号。
16# xiaojunfang4

手扶拖拉基 发表于 2009-5-18 09:19:25

要尊重科学，不要为了节拍而盲目提高切削参数。
老学员 发表于 2009-5-17 21:50 http://bbs.cmiw.cn/images/common/back.gif

说的对

PLC电控单元 发表于 2009-12-20 12:50:49

VC 设置到80   内冷加个 保证你搞定

城风 发表于 2009-12-20 14:22:14

看看是不是钻头刃口倒棱太大了，

ymy1238 发表于 2009-12-21 11:42:42

wangxinwu 发表于 2009-12-21 23:23:22

建议选用可换刀片的钻头，刀片磨成群钻形式。

joseph8779 发表于 2009-12-24 00:02:04

Since we do not know the detail of your drill we assume it is good for cutting A3 steel. We also had this problem before. Below is our solution: 1. drill a precise pilot hole, 2. increase your coolant pressure ( you can use high presssure coolant system), 3. selet a good drill for deep hole ( currently many tool makers have launched a similar type of drill like Mapal Mega Deep Drill (http://www.mapal.com/en/products/product-groups/solid-carbide-tools/solid-carbide-drills/mega-deep-drill/), Walter Titex XD Bohrer drill and even OSG and Mitsubishi also developed this type of drill

512760995 发表于 2010-1-15 22:04:18

提高进给          :lol
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