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  #1  
Old 08-25-2013, 08:50 AM
Helicopterjohn Helicopterjohn is offline
 
Join Date: Sep 2012
Location: Seffner, Florida
Posts: 10
DIY 2 X 72 Grinder With CNC'd Components

Hi Guys,

After a lot of other projects I finally am back on track to complete my DIY 2 X 72 Grinder.

My friend shared some of his CAD files with me and I transferred them to my ONECNC XR5 Mill Professional CAD/CAM program. I had most of the basic design work done and cranked up the Ole HAAS TM-1P Milling machine this afternoon and made some of the parts.

This unit will be a 90 degree model that easily switches from Vertical to Horizontal operation. It will have an 8 Inch contact wheel, dual wheel platen and also a small wheel attachment. it will also have a 2 HP 56C Frame 3 phase 1725 RPM inverter duty motor with a VFD with the 2 X option that will allow the motor to run at up to 120 HZ insead of the normal 60 HZ operation. Basically, it will allow the 1725 RPM motor to run at 3450 which should give me a nice speed range and plenty of power.

I will try to provide plenty of pictures and documentation with my build. I have included some pictures of my progress and a couple of pictures of my friends machine during the construction process so you get an idea of what I am working towards. The pictures show the machine with the platen on it but he also has the 8" diameter wheel mounted on a different arm.

So far:

1: Machined the 56C motor mount frame with cutout for motor and associated mounting holes

2: Drilled and tapped 1/4 X 20 holes on various sides and positions in 2" square tube for mounting the necessary plates, brackets etc.

3: Machined the thumb screw locking mechanism plate, vertical belt tracking plate and 2" aluminum angle that will be welded to my rotation arm plates.

Hope you enjoy!

John
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Last edited by Helicopterjohn; 08-26-2013 at 12:13 PM.
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  #2  
Old 08-26-2013, 05:17 PM
Helicopterjohn Helicopterjohn is offline
 
Join Date: Sep 2012
Location: Seffner, Florida
Posts: 10
number of pictures

Hi Guys,

It appears that this forum will only allow you to have a certain number of pictures within your account so I will not be able to document and continue my build thread. Thanks for looking.

John
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  #3  
Old 11-06-2013, 09:17 PM
Helicopterjohn Helicopterjohn is offline
 
Join Date: Sep 2012
Location: Seffner, Florida
Posts: 10
2" X 72 Grinder Build

Here is a link to my build that has a lot of detailed pictures of the build.

http://www.cnczone.com/forums/genera...-controld.html

Johb
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