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This blog is written by robscastle | 172 entries so far

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Tool Tip #19: Hollow Chisel Motriser HCM Test run and Results

07-01-2015 06:20 AM by robscastle | 7 comments »

I conducted some tests using similar setup conditions A piece of softwood and a piece of hardwod was used,The gap between the auger and Hollow Chisel (HC) was 2.5mm in each testA test instrument for automotive testing was used to measure temperature with a K type thermocoupleA luggage scale and chain was used for the force tests. The test results are approximate only and are subject to human variations but I did my best to replicate identical conditions as much as possible. So here we go. Test 1 is with an unlapped and unpolished 3/8 HCTest 2 is with a lapped and polished 3/8 HC I used my phone to take the pictures as I ran the tests so they are all raw data shots so plea...

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