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21
How to's / Re: Grinding the jaws on my three jaw chuck
« Last post by awemawson on January 22, 2018, 02:24:20 AM »
So you DO convert your three jaw to a Grip-Tru, it's just that your modification is large and temporary  :lol:
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Project Logs / Re: Little Blazer X4
« Last post by tom osselton on January 22, 2018, 12:12:36 AM »
I'm watching so far so good!
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CNC / Re: DDCSV1.1 4 Axis controller
« Last post by WeldingRod on January 21, 2018, 10:24:22 PM »
There is a setting in there for where to probe.  You probably want "current".

I finally got limit switches hooked up!  I'm trying to home with the hard limit switches, which might be a bad idea...
When I home the axis it goes the way I want it to go and homes, THEN it runs off and tags the OTHER limit.  That sounds like your problem.  Is there a setting to stop this?
I'm tempted to try hooking the hard limit to the home switch inputs to see what happens.  And also try just wiring the home switch inputs.

Sent from my SAMSUNG-SM-G891A using Tapatalk

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Project Logs / Re: Little Blazer X4
« Last post by Doc on January 21, 2018, 09:03:49 PM »
I was beginning to wonder if anyone was interested in the Little Blazer build but I'll keep chugging along.
   I will sell one for sure for the local human society maybe also a Little Thumper engine also. 


My machine is pretty much a Bridgeport it is a CNC Master Supra mill from CNC masters.

Thanks for the comment! And yes some times I scare myself but if she would have moved it would have just spun on the pin but it's surprising how much a small clamp wit a #10 screw will hold.



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How to's / Re: Grinding the jaws on my three jaw chuck
« Last post by mattinker on January 21, 2018, 08:31:47 PM »
I have a Buck true grip and it's a very good for repeatadly gripping the same size once adjusted for repeat work .

Good point, I tend to use a three jaw in a four jaw for that!
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Project Logs / Re: Little Blazer X4
« Last post by Will_D on January 21, 2018, 05:45:17 PM »
Excellent videos Doc, much appreciated.

I am currently converting to CNC so I  naturally have a few questions and observations:

1. What CAD/CAM system/setup are you using?

2. Is that a CNC'd Bridgeport?

3. The last operation to machine the flywheel OD scared the S*1T out of me. The part could easily have rotated as you milled off the corners a full 1/4" by 0.25
    You could have stuck two sheets of emery paper back to back which would have improve the friction immensely. Also the extra few tho' would have allowed you to mill clear of the part and not into your table.

Cheers

Will, Malahide, Co. Dublin.ie
 
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Project Logs / Re: Centec 2A Rebuild
« Last post by vtsteam on January 21, 2018, 05:41:41 PM »
First eleven photos in thread edited to reduce size.
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Electronics & IC Programing / Re: capacitive fuel gauge for petrol
« Last post by PK on January 21, 2018, 04:57:54 PM »
Might be easier to build an oscillator that uses the sensor then count cycles..... (if you're not already doing that).
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Tools / Re: Should I try to repair this dial caliper?
« Last post by krv3000 on January 21, 2018, 04:38:05 PM »
as I say if its broken you can not brake it any more its a easy fix if you have a lil lathe and micro drill bits 
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How to's / Re: Grinding the jaws on my three jaw chuck
« Last post by chipenter on January 21, 2018, 04:13:41 PM »
I have a Buck true grip and it's a very good for repeatadly gripping the same size once adjusted for repeat work .
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