Search found 1488 matches

by pete
Fri Oct 19, 2018 2:29 pm
Forum: General Discussion
Topic: Precision machinist
Replies: 8
Views: 350

Re: Precision machinist

I bought my little South Bend shaper in Tacoma Washington so had to rent a truck to go get it. Crossing the border back into Canada got a whole load of questions about what I was bringing back, it's value plus the usual inspection since it was more than apparent they had no idea what it was. After t...
by pete
Thu Oct 18, 2018 7:35 pm
Forum: General Discussion
Topic: Precision machinist
Replies: 8
Views: 350

Re: Precision machinist

Think about it, from birth to death there's nothing you use, live in, drive, buy, eat, or even throw in the garbage that wasn't touched or in some way has it's origins traceable to a machine tool and that machinist. Most today don't have the faintest clue about the importance of machine tools, machi...
by pete
Sat Oct 06, 2018 1:00 am
Forum: Milling Machines
Topic: Morse taper end mills
Replies: 7
Views: 484

Re: Morse taper end mills

The P&W might? have been Pratt and Whitney as the manufacturer (maybe). But they made a lot of machine tools, cutting tools and some high end well thought of metrology equipment as well. I'm not real enthused with MT's that use a drawbar even though they work fine. There's just better tapers than a ...
by pete
Sat Oct 06, 2018 12:31 am
Forum: Lathes
Topic: Lathe setup question(s)
Replies: 23
Views: 1200

Re: Lathe setup question(s)

A MT test bar only works if the female taper is in pristine condition with zero dings, rust or debris in it. Without that the test bar can indicate the headstock as being out when it may not be. With the right conditions and some bad luck it could even indicate the headstock as being correct when it...
by pete
Fri Sep 28, 2018 3:39 pm
Forum: Milling Machines
Topic: Spindle collet grub screw
Replies: 17
Views: 943

Re: Spindle collet grub screw

I'd certainly agree Harold, a normal edge finder doesn't need to be adjusted to run true. These Haimers would only be highly accurate if they are. Adjusting them is done a bit like a 4 jaw independant so it's possible to get them under a couple of 10ths.
by pete
Fri Sep 28, 2018 2:06 pm
Forum: Milling Machines
Topic: Spindle collet grub screw
Replies: 17
Views: 943

Re: Spindle collet grub screw

The only real use I've found for that set screw is it indexes anything put into the spindle taper to the same place each time. My 3D Haimer edge finder uses a dedicated 3/4" end mill holder and the edge finders C/L gets indicated in and adjusted until it's dead on to the spindles C/L. So it's helpfu...
by pete
Fri Sep 28, 2018 11:36 am
Forum: General Discussion
Topic: index head
Replies: 53
Views: 2736

Re: index head

My personal opinion is it's probably a good idea to pull equipment like this apart for a detailed cleaning and relube. What I found on even Taiwan equipment is there's always a bit of dust,dirt, and maybe a bit of grinding dust since there built to a price point that doesn't leave any extra for the ...
by pete
Thu Sep 27, 2018 7:20 pm
Forum: General Discussion
Topic: Tap guides
Replies: 1
Views: 281

Re: Tap guides

Good idea Earl, when I fially get around to building one I'll now need to make two. So you've just doubled my work. :-)
by pete
Thu Sep 27, 2018 7:13 pm
Forum: General Discussion
Topic: index head
Replies: 53
Views: 2736

Re: index head

If you did want to take it apart for a proper cleaning and relube? There's at least 2 Youtube videos showing the disassembly and reassembly for the B & S heads these were copied from. It's not quite as straight forward as it seems. BasementShopGuy and Keith Rucker did the two videos about it that I ...
by pete
Mon Sep 24, 2018 6:49 pm
Forum: Lathes
Topic: Look what followed me home today
Replies: 3
Views: 448

Re: Look what followed me home today

Nice score. :-)
by pete
Sun Sep 23, 2018 6:28 pm
Forum: Milling Machines
Topic: Vise opinion
Replies: 7
Views: 676

Re: Vise opinion

The integral rear fixed jaw is a good sign since it's more cost effective and easier to bolt that jaw in place. So my guess it wasn't a poorly made vise when new. And even 30 years ago Japan was making some excellent tooling. I'd guess that flaking isn't just to fool the buyer. Any wear on the movin...
by pete
Sat Sep 22, 2018 3:42 pm
Forum: General Discussion
Topic: Gage blocks
Replies: 54
Views: 3348

Re: Gage blocks

Within average limits then there's pretty accurate calculations that can be used to adjust for size if the material type and temperature is known so when things cool down or warm up to the more standard 68f/20c specification they should be quite accurate. I can only go by what I've read about it sin...