Diamond Drag Tool Wear

The diamond drag tool now in the MPCNC LM3UU holder has appeared in several holders and suffered considerable misuse along the way:

Diamond Drag Tool tip - MPCNC
Diamond Drag Tool tip – MPCNC

A closer look at the spalled section on the flank:

Diamond Drag Tool tip - MPCNC - detail
Diamond Drag Tool tip – MPCNC – detail

The tool in the (much better) CNC 3018XL LM6UU holder has engraved mostly plastic, plus a few hard drive platters, and seems only slightly rounded:

Diamond Drag Tool tip - CNC 3018
Diamond Drag Tool tip – CNC 3018

An unused tip comes to a neat point:

Diamond Drag Tool tip - unused A
Diamond Drag Tool tip – unused A

As does its companion, arriving in a twofer deal from halfway around the planet:

Diamond Drag Tool tip - unused B
Diamond Drag Tool tip – unused B

They’re brazed on 3 mm OD shanks and ground to a 60° included angle.

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  1. Diamond-Drag Styrene Engraving: Line Width | The Smell of Molten Projects in the Morning
  2. Diamond-Drag Styrene Engraving: Scraped Sharpie | The Smell of Molten Projects in the Morning

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