Raising headstock on OD grinder & slitter knife grind

lalatheman · Jan 25, 2017

Looks like there is an opportunity to grind circular knives that are used in slitting rolls of steel into narrower strips.
The larger ones are 15".diameter my grinder only swings 12" .........would there be any issue with raising the headstock up and grinding below the center line, to get started ?
Thanks
Dave

Derek Smalls · Jan 25, 2017

While I don't think it's really ideal, I worked at a place that did it all the time with no problems. They had a 20" Cincinnati that they made 4" risers for. I'd think weight becomes a major concern if grinding a long shaft of over sized diameter. Also, the wheel being below center will cause weird taper issues if centers are not exactly the same height. Sounds like for what your doing, these issues shouldn't be a problem.

cash · Jan 26, 2017

lalatheman said:
Looks like there is an opportunity to grind circular knives that are used in slitting rolls of steel into narrower strips.
The larger ones are 15".diameter my grinder only swings 12" .........would there be any issue with raising the headstock up and grinding below the center line, to get started ?
Thanks
Dave

I am trying to send you a PM but your inbox is full.

Richard King · Jan 26, 2017

You can make the risers out of Dura-a-Bar and as Dereck says it's best to raise Head-stock & wheel Head. I would also do the Tailstock and that way you can leave them under there. I would mill out pockets in the risers to lessen the weight too. I have seen this in many machines. But they had a rebuilder scrape in the risers for proper alignment. Rich

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Raising headstock on OD grinder & slitter knife grind

lalatheman

Hot Rolled

Derek Smalls

Stainless

cash

Titanium

Richard King

Diamond

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