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Old 04-25-2010, 02:33 PM   #1
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Default 8" Mini Shear Brake

I want a shear and brake to fabricate the cab for my Cracker Locomotive. Does anyone have
the mini 8" shear brake that HF, Grizzly and a few others sell ? I would like some feedback.
My use is mostly copper and brass.



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Old 04-25-2010, 10:08 PM   #2
Tin Falcon
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Default Re: 8" Mini Shear Brake

I have the slightly larger cousin.

I have not really used it much. Should do more with it. I did take it apart clean debur and lubricate. These are typical of the import machine a solid machine but fit and finish need help. also in my experience you need to put a radius on the bending leaves. A sharp edge will put grooves in the metal that are stress points and cause cracking . I was trained in aircraft sheet metal. a small radius is ok but never a sharp bend . IIRC the edges on the leaves are shipped pretty sharp and with burs.

just a couple of observations, both machines rated at 22ga steel so a bit thicker with copper.
the 7 1/2 inch machine is 27 lbs and cost almost $200
the 12" is 114 lbs for 260$ plus you get the slip roller
I picked mine up at the Grizzly show room a few years back, when it was on sale, so saved on shipping . IIRC looking at the two side by side I felt that the 12" 3 in one was a better value .
I have heard that the 30" units have a bit too much flex.
Hope this helps.
Tin



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Old 04-25-2010, 10:21 PM   #3
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Default Re: 8" Mini Shear Brake

that looks like a nicer machine.

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Old 05-01-2010, 03:37 AM   #4
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Default Re: 8" Mini Shear Brake

a little more discussion here.
http://bbs.homeshopmachinist.net/showthread.php?t=32469
Tin

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