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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Do I need a metal turning lathe?
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<blockquote data-quote="Jim Bush" data-source="post: 124929" data-attributes="member: 3807"><p>I started out with a 70's Boxford AUD school lathe bought at auction - it was very useful and I learnt the art of thread cutting. I soon found there was not a lot of rigidity for larger pieces. My machinist friend hooked me up a import lathe 12"x40" with metric/imperial thread cutting, proper Cdn electrics, and a DRO (digital readout). The DRO is so vital to making things accurate and repeatable. The next BIG spend is tooling... quick change tool posts/holders - I have 10 holders set up with my favourite cutters. I have moved to Carbide inserts - which frankly are still a little marginal on a manual lathe. Get the feed and speed right and you make chips - but 80% of time things aren't optimal and you get long strings which can be a danger. Capabilities of odd thread sizes like BSP 19 tpi and 26" BSF mean you have the option of make it now or wait 3 weeks for the postman to deliver. Go big & heavy, get serious, spend the money. Happiness is a bin full of swarf.</p></blockquote><p></p>
[QUOTE="Jim Bush, post: 124929, member: 3807"] I started out with a 70's Boxford AUD school lathe bought at auction - it was very useful and I learnt the art of thread cutting. I soon found there was not a lot of rigidity for larger pieces. My machinist friend hooked me up a import lathe 12"x40" with metric/imperial thread cutting, proper Cdn electrics, and a DRO (digital readout). The DRO is so vital to making things accurate and repeatable. The next BIG spend is tooling... quick change tool posts/holders - I have 10 holders set up with my favourite cutters. I have moved to Carbide inserts - which frankly are still a little marginal on a manual lathe. Get the feed and speed right and you make chips - but 80% of time things aren't optimal and you get long strings which can be a danger. Capabilities of odd thread sizes like BSP 19 tpi and 26" BSF mean you have the option of make it now or wait 3 weeks for the postman to deliver. Go big & heavy, get serious, spend the money. Happiness is a bin full of swarf. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Do I need a metal turning lathe?
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