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Thread: Course threads on Hercus 260
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11th Sep 2018, 12:35 PM #1Most Valued Member
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Course threads on Hercus 260
I need to cut a decorative spiral with a 5mm pitch. My 260 will do a 5mm thread but I need to change some gears. For smaller threads you use the 18T gear. For larger threads you use the 45T gear. The gear that's not in use is used as a spacer on the bottom cluster. For the life of me I can't see how to swap the 18T and 45T gears. There doesn't seem to be room for the 45T gear as the setup stands. Can someone shed some light please?
Chris
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11th Sep 2018, 12:47 PM #2Most Valued Member
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Update:
I found the appropriate page in the Textbook Of Turning. Will work through that.Chris
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11th Sep 2018, 03:01 PM #3Senior Member
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Did you get it Jack? You need to loosen the square head nut on the banjo and swing it down to gain the extra room. Sideways photo below.
IMG_1864.jpg
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11th Sep 2018, 04:54 PM #4Most Valued Member
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Thanks Picko. Going to the shed now to have a crack at it.
Chris
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11th Sep 2018, 07:35 PM #5Most Valued Member
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All sorted. Easy when you know how!
Chris
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