Gallery, Projects and General > How do I??

Cast iron guide way grinding....

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Manxmodder:
I've used both the segmented cup type and ordinary peripheral wheels with success. The peripheral wheel will need much smaller feed rate than the segmented type. Coolant was just a standard grinding water based concoction/mix.....OZ.

chipenter:
Have you thougt of using a bench grinder with a cup wheel , no problem with end float and the speed is right .

Jonny:
If the jobs done right a cup type of wheel will be used for the dovetails.
Will need to change wheel any way to do the flats and sides.

Biggest problem will have is the constant dressing and setting up which may not be true. Pros use angled heads, once setup does the lot so all true.
Personally I wouldn't entertain the idea, though may look fine wont be true.

Pete.:
You could scrape that much. It would be a lot of work but you'd be good at scraping when you were finished.

PekkaNF:
I have measured significant end float on my two bench grinders, also they become pretty big after 1 kW. I measured the end float of the motor and it was incredibly small (0,03 mm) with aprox. 100 N of force, at first I could not feel anything - must be good wave spring on rear bearing? That will not do as it is.

Pete, no way I can scrape that much. I would in a lot of pain and step over my beard before it would be finished...

Jonny, I realize that it is iffy....I need to most of metal out from the wrong places and leave enough on the right places. I'm pretty sure that if I have only 0,01 mm relatively geometrically true to go instead of 0,00 - 0,2 mm peaks and valleys - I might have a chance of getting it close enough with scraping.

You are right on tilting head....It probably would be a good idea to have some sort of small adjustment to get the head "trammed" or just a little off....and dressing needs to be addressed.

I have a small worn out lathe bed to practice :lol: before I'll destroy (or salvage) the mill. I'm still looking to have someone to mill ways closer to 0-0, but surpricingly very few hobbyist seem to have mill capable of cutting awkward objects about 1 metre long.

Pekka

Pekka

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