Search found 1724 matches

by pete
Thu Dec 12, 2019 1:09 am
Forum: General Discussion
Topic: Fire Danger
Replies: 10
Views: 198

Re: Fire Danger

Dust has to be within a fairly narrow mixing range of itself and the oxygen in the air plus have an ignition source. That ignition source can for some materials be as little as a static discharge that builds up and creates enough enough heat within the spark to cause that ignition. In the open pit m...
by pete
Wed Dec 11, 2019 7:42 pm
Forum: Milling Machines
Topic: installing quil on mill drill
Replies: 4
Views: 125

Re: installing quil on mill drill

OK that makes a bit more sense. Those bolts are for cover that would be over the worm and worm wheel that's used to micro adjust your spindle Z height correct? Were or are there any holes in the main head casting and in the cover that might have taken dowel pins used to set the correct alignment of ...
by pete
Wed Dec 11, 2019 6:10 pm
Forum: Lathes
Topic: Considering a DRO
Replies: 3
Views: 134

Re: Considering a DRO

Generally the magnetic scales and reader heads are quite a bit more compact than the optical glass scale types. Some dro manufacturers that produce the magnetic type also have more than one size. This link http://www.newall.com/products/?name=Spherosyn%2FMicrosyn+Encoders&catid=1&prid=17 and the fir...
by pete
Wed Dec 11, 2019 5:47 pm
Forum: Milling Machines
Topic: installing quil on mill drill
Replies: 4
Views: 125

Re: installing quil on mill drill

I'm guessing you mean the pinion shaft? And bolts or nuts on the end of that shaft? I don't know much about that exact machine, but generally on quill equipped mill / drills there's a large coiled main spring on the left end of the pinion shaft. Without some pictures or a better description it's rea...
by pete
Tue Dec 10, 2019 11:18 pm
Forum: General Discussion
Topic: OT: Building in isolated location
Replies: 569
Views: 102539

Re: OT: Building in isolated location

Fwiw you have my sympathy Bill, sounds/looks more than painful for sure. Ladders? yeah I've had hundreds of industrial safety films over the years and monthly safety meetings including many about ladder safety. I still chose to ignore the basics just once and took a fall off a ladder 6-7 years ago. ...
by pete
Mon Dec 02, 2019 3:43 pm
Forum: 3-in-1 Metalworking Machines
Topic: The ultimate 3-in-1 machine
Replies: 10
Views: 1915

Re: The ultimate 3-in-1 machine

Apology's to the OP since this is a bit OT. Yeah it would Russ, but at the level those Vedder-Root (SP?) mechanical dros were made to and showing actual 10ths movement you'd need ultra high precision hardened, ground and possibly lapped gearing. The average feed screw pitch on most lathes and mills ...
by pete
Fri Nov 29, 2019 4:24 pm
Forum: Lathes
Topic: Electronic Leadscrew
Replies: 2
Views: 341

Re: Electronic Leadscrew

There's also https://www.rocketronics.de/en/els/ for an already built kit version to do the same and even more. And http://www.babinmachine.com/index.php?HLVELECLEAD as a high end industrial level version for the HLV lathes. I've been following the one in your link since the first video was posted a...
by pete
Thu Nov 21, 2019 4:47 pm
Forum: General Discussion
Topic: Ralmike's Rotary table
Replies: 1
Views: 322

Re: Ralmike's Rotary table

If I recall correctly Ralmike was only a tool dealer and not involved with the production of the tools themselves. So just like some tool suppliers today they added there own badge to that R/T. Someone else might have better information about who might have manufactured yours. It's definitely not fr...
by pete
Sun Nov 17, 2019 10:06 pm
Forum: Lathes
Topic: Graziano SAG12
Replies: 43
Views: 1830

Re: Graziano SAG12

For that lathe I'd try here,https://www.practicalmachinist.com/vb/s ... -lathes/if anyone can properly answer your questions and solve your problem one of the members there can.
by pete
Sun Nov 17, 2019 5:19 pm
Forum: Lathes
Topic: How do I know SB9 Lathe I just bought is a good one?
Replies: 4
Views: 583

Re: How do I know SB9 Lathe I just bought is a good one?

Do an online search for a pdf of the Dr. Georg Schlesinger book Testing Machine Tools. Read through that enough times until you fully understand what's being tested and why. The maximum allowed deviation numbers within that book would be for high quality new or fully rebuilt industrial level machine...
by pete
Sun Nov 17, 2019 4:31 pm
Forum: Lathes
Topic: 3 jaw chuck
Replies: 20
Views: 1063

Re: 3 jaw chuck

If you look at the history of lathes 3 jaw scroll chucks are a fairly recent convenience but not an absolute necessity. Before 3 jaws were invented turning between centers and shorter work got bolted to the face plate using various methods. Probably it didn't take long before screw adjustable jaws w...
by pete
Sun Nov 17, 2019 2:54 pm
Forum: General Discussion
Topic: Lamp Stand.
Replies: 4
Views: 411

Re: Lamp Stand.

A couple of good examples of using spare machinist related components for what your needing. I like it. Quite awhile ago I ran across a picture on Pinterest of a couple of lathe lights made by using chrome plated chevy small block engine valve covers, AN fittings and braided line used for the cord c...