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Brian Lightfoot 1	04/02/2023 20:32:42
4 forum posts	What does a cri-dan machine do, Thanks Brian
Grindstone Cowboy	04/02/2023 20:35:52
1160 forum posts 73 photos	This thread seems to have some info. Rob
peak4	04/02/2023 20:49:59
2207 forum posts 210 photos	A single point automatic threading lathe. See the video at the bottom of this page, as well as the embedded one below. https://vesciomfg.com/capabilities/thread-cutting-grinding/ Bill
Howard Lewis	05/02/2023 15:46:43
7227 forum posts 21 photos	Cri Dan machines (B and E models ) were made under licence, at the Sentinel works, in the late 50s, to cut screw htreads, rapidly The tool made a number of passes, cam controlled.. The test bpiece was to produce a 1" BSW thread,. about 10" long, It did this in under a minute with the swarf coming off as blue wire! It was quite a show for visitors being shown naround the factory. Howard

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