金刚石刀具拆卸与维修：老钻头的经验之谈，避开那些坑

金刚石刀具拆卸与维修：老钻头的经验之谈，避开那些坑

大家好，我是老钻头，一个在精密仪器维修这行当里混了几十年的老家伙。今天不讲那些花里胡哨的理论，就来聊聊金刚石刀具拆卸与维修那些容易被忽略的“坑”。网上那些“一步到位”的教程，看看就好，真信了，血亏！

拆卸的“潜规则”：慢工出细活，别崩了刃！

拆金刚石刀具，可不是拧螺丝那么简单。不同类型的刀具，拆卸方法那可是大相径庭。就说这金刚石，分单晶、PCD、CVD，结合剂又分金属、树脂、陶瓷，每一种都有自己的脾气。

• 单晶金刚石刀具：这玩意儿最娇贵，稍微用力过猛，崩个刃，心疼死你。拆卸前，先用酒精或者丙酮之类的溶剂，把刀具周围的油污和杂质清理干净。然后，用热风枪稍微加热一下刀柄，让结合剂软化。注意！温度别太高，小心把金刚石烧坏了。拆卸的时候，一定要用专用的工具，慢慢地、轻轻地撬，千万别硬来。
• PCD刀具：PCD刀具相对来说，没那么娇气，但也不能掉以轻心。特别是那些用金属结合剂的PCD刀具，结合力很强。拆卸前，可以用超声波清洗机震一下，或者用化学方法腐蚀掉一部分结合剂。实在不行，就只能用砂轮慢慢磨了。记住，一定要用冷却液，不然容易烧坏刀粒。
• CVD金刚石刀具：CVD金刚石刀具，重点是保护好那层膜。拆卸的时候，尽量避免直接接触刀刃。如果膜层已经有脱落的迹象，那就更要小心了，轻轻一碰，可能就掉一大块。

祖传秘方？ 倒也谈不上，就是个经验。拆卸前，务必拍照记录刀具的原始状态，尤其是刀粒的位置和角度。别到时候拆下来了，装不回去，那就尴尬了。还有，一定要用正确的工具。别跟我说你用钳子拆金刚石刀具，那简直是暴殄天物！

| 刀具类型 | 结合剂类型 | 拆卸前预处理 | 拆卸注意事项 |
| :--------- | :------- | :------------------------------------------------- | 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