hand crank

hand crank

This topic has 6 replies, 4 voices, and was last updated 18 October 2015 at 16:33 by Vic.

Viewing 7 posts - 1 through 7 (of 7 total)

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17 October 2015 at 12:43 #208207
mick70
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@mick70
after struggling with cutting finer threads and getting decent finish on coarse threads due to slowest speed i can run my clarke cl430 is 160 rpm.

i decided to make a hand crank for it, got idea of bedroom workshop where they had used a handlebar stem to make one.

spindle bore on cl430 is 26mm so had to make one from pce of stainless i had lying around and a heave handle from the might come in useful pile.
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17 October 2015 at 12:43 #17862
mick70
Participant
@mick70
17 October 2015 at 13:10 #208209
Neil Wyatt
Moderator
@neilwyatt
Simple and effective.Neat weld too.
17 October 2015 at 13:42 #208217
mick70
Participant
@mick70
thank's will tell my 7 yr old boy.

i only tacked it let him finish weld it, as he needs to practice.
18 October 2015 at 11:28 #208327
Ady1
Participant
@ady1
slowest speed i can run my clarke cl430 is 160 rpm

Someone out there will have modded one down to 30-50 rpm, usually they use a toothed belt on a big wheel which is driven by a small wheel kinda thing

Look at modding sites for other popular lathes (9 x 14 grizzly or whatever) and you will see various clever ideas you can apply to your own unit

Proper reduction backgear fitted to a hobby lathe turns it into a semi-professional machine
18 October 2015 at 14:55 #208345
Neil Wyatt
Moderator
@neilwyatt
Posted by naughtyboy on 17/10/2015 13:42:28:

thank's will tell my 7 yr old boy.

i only tacked it let him finish weld it, as he needs to practice.

Well tell him he's better than me :-/

Neil
18 October 2015 at 16:33 #208353
Vic
Participant
@vic
I got my Lathe down to about 90 rpm by making a new small motor pulley.
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