Mattison 400S Grinder Just Arrived.

cash · Jan 21, 2014

I purchased this machine from a steel mill out east. We have just received in in and my plans are to rebuild for sale on a trade in.

Spindle H.P. is 250 and the table size is 36" x 144".

In the background my Way grinder will come in handy for regrinding the column ways on this machine.

We currently have 2 other machines like this that are in operation.

cash · Jan 21, 2014

This is what it looked like assembled. A bit rough but that is no problem for me.

Cole2534 · Jan 21, 2014

Your shop is sweet, Cash.

athack · Jan 21, 2014

Thanks for sharing. Sure makes our 14 x 48 look small.

Athack

cash · Feb 18, 2014

Here is a link to our Grinding Services page and photos of our 42" x 144" Mattison 400S grinder and how this machine can look once rebuilt!

Mattison & Blanchard Grinding | Knifemaker.com

mantemec · Apr 14, 2014

Love all the machines you got in your shop. It is exciting to see kind good work people do in daily basis. You said you are rebuilding the machine. Do you find difuclt to find people that does that kind of rebuilding or did you do it yourself??

SIP6A · Apr 14, 2014

Why dose every piece of machinery out of a steel mill look like it has been sitting outside for years next to an acid plant?

cash · Apr 14, 2014

We will do the rebuild in house. I will only send out the base and table for machining, I may have to make new ways for the table, I can do that in house. We can do the electrics in house. the spindle, if we decide to rebuild-I may have to bring a guy out of retirement. We have not done one of these gearheads before.

With only the reciprocating table and head feed this is a fairly simple machine to rebuild.

I built my current 42" x 144" machine out of 2 grinders so this one will be easy.

Ziggy2 · Apr 14, 2014

This is a late model one, well relatively. Nice find.

The gearhead spindle is very simple on the inside. Hardest part is getting the grinding head itself to break lose from the spindle shaft. Might take some heat and a porta-power.

Looks like this one still has the through the spindle coolant line in place. Mattison told us to remove ours that was on a 60in. rotary. If you don't keep the spindle tube clean, coolant will back up into the gear box.

The bottom lip seal just below the driven gear and bearing is the trickiest part of re-assembly. Takes some playing around to get it together correctly.

Your going to have a very nice grinder when your done.

cash · Apr 14, 2014

I have turned off all our thru spindle coolant-that was not a good idea they had. it would plug up and coolant would get in your top bearings.

cash · Oct 28, 2015

Well I have some good news here-just over 1 and a half years of buying this machine I have sold it! From a random linkedin message one of my vendors sent me Iwe started discussions with them thinking they were looking for a surface grinder.

Upon a visit to their facility I found out they were looking for a big 400 just like this one and when they found out I had one this set the stage to get the sale in motion.

The machine will be sent to Dial Industries in Rockford to be completely rebuilt. New electrics, new hydraulics, new lubrication and all the other goodies that go with a project like this.

Why you ask I am not doing it? As of right now I have a lot on my plate and am actually looking to purchase a couple large surface grinders, clean up and flip. Stay tuned for that info!!

cash · Apr 29, 2017

The rebuild is complete and I just ran this machine off. It was nice to see this grinder ready to go back to work after about 15 years of sitting idle!

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Al Young · Aug 15, 2018

Good Morning. I have a customer looking for the (12) segment abrasive holder i believe is on the spindle shown in the picture.Would you consider selling it. Thank you, Al Young

cash · Aug 19, 2018

Al Young said:
Good Morning. I have a customer looking for the (12) segment abrasive holder i believe is on the spindle shown in the picture.Would you consider selling it. Thank you, Al Young

I do have one in stock from another machine. PM sent.

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