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Author Topic: Chuck jaws sizing jig  (Read 1283 times)

Offline simon

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Chuck jaws sizing jig
« on: February 06, 2021, 07:22:38 PM »
Folks,

Fed up today of keep measuring spigots etc for chuck jaws. 

20 mins, aluminium door push plate, stamps and centre punch and I’ll never have to get a rule out again to set my dividers.

(Btw - amazing how close some of the jaw sets are when you set them out like this in one place)

Simon

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Offline Sandy

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Re: Chuck jaws sizing jig
« Reply #1 on: February 06, 2021, 07:28:37 PM »
Good idea, but be careful not to knock it into the shavings, a magnet won't find it :).
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Offline Bill21

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Re: Chuck jaws sizing jig
« Reply #2 on: February 06, 2021, 09:43:32 PM »
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Offline simon

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Re: Chuck jaws sizing jig
« Reply #3 on: February 07, 2021, 12:01:17 AM »
Quote from: Bill21 on February 06, 2021, 09:43:32 PM
Looks similar to a speed sizer.

There goes my chance at patent / marketing idea!   Yes, is similar, not quite as CNC perfect but £20 cheaper I guess!
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Offline simon

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Re: Chuck jaws sizing jig
« Reply #4 on: February 07, 2021, 09:39:10 AM »
Quote from: Sandy on February 06, 2021, 07:28:37 PM
Good idea, but be careful not to knock it into the shavings, a magnet won't find it :).

Just bonding it onto piece thin ply then it will be mounted onto front of lathe bed for easy use (and so I know where it is and don’t lose it!)
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Offline simon

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Re: Chuck jaws sizing jig
« Reply #5 on: February 07, 2021, 11:22:36 AM »
All done!
S
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Offline JohnHewes

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Re: Chuck jaws sizing jig
« Reply #6 on: February 15, 2021, 11:05:19 PM »
I have ply or plastic gauges for each of my sets of jaws, never could understand why I have never seen this anywhere else. I still use dividers for marking the end of the job but use the gauge to set the dividers.
So easy to use to set diameters when spindle turning.
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Offline Bill21

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Re: Chuck jaws sizing jig
« Reply #7 on: February 16, 2021, 11:59:45 AM »
I use mainly the C jaws so I just made a jig from polycarbonate. No setting of calipers, I just turn the wood down until the jig fits. I’ve seen other folks do this and they have made as many jigs as needed out of plywood. I should add that following advice from our club demonstrator I’ve gone off internal chucking.

https://youtu.be/c9ZDobE2YAI



« Last Edit: February 16, 2021, 12:06:35 PM by Bill21 »
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Offline Twisted Trees

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Re: Chuck jaws sizing jig
« Reply #8 on: February 16, 2021, 11:46:15 PM »
I find a ruler and pencil work just fine, just have to remember the mid point of minimum and maximum and adjust to taste.... Jigs are great, but they become like tape measures and pencils as yet another thing that got put down somewhere!
« Last Edit: February 18, 2021, 11:10:27 AM by Twisted Trees »
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TT, AKA Pete, but that name is taken :-)

Offline JohnHewes

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Re: Chuck jaws sizing jig
« Reply #9 on: February 17, 2021, 03:41:25 PM »
Yes, Bill, just like that.
Hangs on a cup hook above the lathe.
Easy
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