Author Topic: Square Grinders  (Read 8435 times)

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Offline 660magnum

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Re: Square Grinders
« Reply #140 on: January 02, 2015, 09:28:54 am »
The company web site is still up?

http://www.silveychaingrinder.com/




Edit:04-2-16   The site comes up with a notice that it is CLOSED!
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Offline Cut4fun .

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Re: Square Grinders
« Reply #141 on: April 02, 2016, 02:48:08 pm »
Found this looking for files.

Tuning a Simington Square-Chisel Chain Grinder

http://www.madsens1.com/sim_tuning.htm

Roger you do anything special to your Simington Square grinder?  The 325 square chain cutters you just did is all off  the grinder?
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Offline 660magnum

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Re: Square Grinders
« Reply #142 on: April 02, 2016, 03:16:08 pm »
I've done both 3/8" LP (Stihl PS - PICO) & .325 on my Silvey swing arm with no modification.

What limits me is the distance between the raker and the cutting edge and this has some effect on the angle underneath the top plate of the cutter.

I have not redressed or changed the angles on the wheel.
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Offline Cut4fun .

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Re: Square Grinders
« Reply #143 on: April 02, 2016, 03:35:52 pm »
Interesting and good to know. Thanks

Jim you have your 325 chain done for the chain build off rd3?
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Offline 660magnum

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Re: Square Grinders
« Reply #144 on: April 02, 2016, 03:59:03 pm »
I haven't started it but can if you need it now.
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
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Offline Cut4fun .

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Re: Square Grinders
« Reply #145 on: April 02, 2016, 04:01:57 pm »
Nope dont need. Just wondered how it was coming along. 

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Offline Cut4fun .

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Re: Square Grinders
« Reply #146 on: March 10, 2018, 03:07:00 pm »
I had a guy ask me to square file a 60" chain today. Guess what I told him.   :D
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Offline 3000 FPS

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Re: Square Grinders
« Reply #147 on: March 10, 2018, 07:06:01 pm »
Found this looking for files.

Tuning a Simington Square-Chisel Chain Grinder

http://www.madsens1.com/sim_tuning.htm

Roger you do anything special to your Simington Square grinder?  The 325 square chain cutters you just did is all off  the grinder?

If you are referring to the race chain I did then that was all done with the Simington grinder.    Then the rest of the mods were done using a dremel.

No I did not modify the grinder in any way.    But I did play around the with the angles that the wheel is dressed at until I got what I wanted.   Don't ask what they are because I have no idea.    I used a grey greased wheel first to get the general shape of the cutter and then I did a final grind with a blue wheel.   The blue wheel seems to give a sharp angle in the corner of the tooth and I like the finish.   
PP 505, 475, 445.
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Offline Cut4fun .

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Re: Square Grinders
« Reply #148 on: April 09, 2018, 09:35:50 pm »
Just saving some Simington swing arm square grinder pics I was sent.

Was wanting to see the adjustment 2 piece swing arm deal.

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Offline concretegrazer

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Re: Square Grinders
« Reply #149 on: April 09, 2018, 10:55:06 pm »
Just saving some Simington swing arm square grinder pics I was sent.

Was wanting to see the adjustment 2 piece swing arm deal.

What's the story on the yellow spacers in the last 2 pictures?

 

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