Re the squeal waking the neighbors, yeah, been there done that :-) First, I don't quite grasp the shape of the cutting edge--is this a form tool of some sort?...
5182
Honcho
yenomon70
Feb 10, 2012 10:18 pm
The cutting tool is like a threading tool except the angle is 40 degrees..The tool with the grooves will generate gear teeth...
5183
capt.eddie
capt.eddie...
Feb 10, 2012 10:27 pm
Back off on the RPM-- Been there done that. If that doesn't work You need to look at adjusting the Gib's and you might consider a chatter strap-- Happy...
5184
speterson
spetersodlb
Feb 10, 2012 10:33 pm
Well the usual advice to eliminate chatter when threading is to only cut one side (usually the left side) of the thread. Might that approach help? --Steve...
5185
Honcho
yenomon70
Feb 10, 2012 10:57 pm
This is not athread. These are grooves. One groove is cut by running the tool into the steel then backing it out move the tool a certain distance and repeat...
5186
speterson
spetersodlb
Feb 10, 2012 11:10 pm
I get that it's not spiraling like a thread, but you're pushing your pointed tool straight into the workpiece such that it cuts on both sides of the point....
5187
speterson
spetersodlb
Feb 10, 2012 11:16 pm
Crap, the link didn't come through: http://rick.sparber.org/spt.pdf Sorry, --Steve...
5188
Honcho
yenomon70
Feb 10, 2012 11:16 pm
That is right. mthe lathe tool wont at times cut at all. It just deforms the metal...
5189
Honcho
yenomon70
Feb 10, 2012 11:23 pm
That may solve some of the problem but the tool itself at times does not seem do any cutting. No chips bob...
5190
speterson
spetersodlb
Feb 10, 2012 11:28 pm
That's what chattering does--the tool digs in (very briefly) then it gets tossed back out of the cut. Almost no metal comes off the workpiece--if you see any...
5191
capt.eddie
capt.eddie...
Feb 10, 2012 11:33 pm
If this was 60 years ago I'd say mix a bit more white lead in the carbon tech that would work ... From: Honcho To: lathemaster@yahoogroups.com Sent: Friday,...
5192
DaleE
dalee1002000
Feb 12, 2012 3:42 pm
Hi, You are using a form tool, and sometimes they can be problematic to get working correctly. Without seeing your exact setup, it can be difficult to "see"...
5193
sam lacina
sjlacina
Feb 14, 2012 12:52 am
I am looking at a new to me lathe....I have one of the small mini-lathes I use to make small batches of custom screw eyes (about 50 at a time) and would...
5194
capt.eddie
capt.eddie...
Feb 14, 2012 1:09 am
Jump on the Logan-- more and better auto feed versus gear changing -- Chuck changing on the 8 is a mess - I could go on but I'll let some one else get in here...
5195
Andy M
trumpy81
Feb 14, 2012 1:32 am
GDay All, Sjl, if the Logan really is in good condition and you need to pump the work out of it straight away then that would probably be my choice. It's a...
5196
capt.eddie
capt.eddie...
Feb 14, 2012 1:41 am
I'm back---------------------------- The Logan lathe is one of the few machines that can reproduce itself-- Any piece of the 10" lathe can be made on the...
5197
Ron Gerard
jst4rlg
Feb 14, 2012 2:07 am
Hi Sam, They are good lathes, but are no longer being made. Replacement parts will probably be hard to find. Ron Gerard From: sam lacina <sjlacina@...> ...
5198
sam lacina
sjlacina
Feb 15, 2012 1:56 am
Thanks for your opinions.....The gentleman I am buying from has a good reputation.....goes through the lathes.....repairs, replaces.......or clearly discloses...
5199
Starlight Tool Servic...
starlight_tools
Feb 15, 2012 1:57 am
I ran a Logan 9x28 for many years and it was a fantastic lathe, so much more machine than the Asian 9x20 and 9x30's could ever be. Although Logan lathes are...
5200
whanson@plainstel
hanson_whitey
Feb 15, 2012 2:01 am
Buy the Logan. JMO. From: Starlight Tool Services Ltd Sent: Tuesday, February 14, 2012 9:50 AM To: lathemaster@yahoogroups.com Subject: Re: [lathemaster]...
5202
latheturn6
Feb 22, 2012 4:46 pm
Anyone know of a standard chart showing parting speeds for diameter shaft material.......
5203
DaleE
dalee1002000
Feb 23, 2012 2:09 am
Hi, When parting steels with my 8x14, I generally run at 125rpms. This is using a HSS parting blade. A good ballpark method I use to determine cut off speeds...
5204
Andy M
trumpy81
Feb 23, 2012 8:30 am
GDay All, latheturn6, as a general rule, parting speed should be 50% or less, of the turning speed for the material you are cutting. Also, note that if your...
5205
Rob B
thunderclaw007
Feb 23, 2012 12:36 pm
I think what you are looking for is if you have a given diameter, what speed should you part at to be successful. The formula that answers this is ...
5206
latheturn6
Feb 25, 2012 7:33 am
Thanks all! Good Stuff ... speed should you part at to be successful. ... surface feet per minute(SFM), of the material; and D is the diameter of the material...
5207
Honcho
yenomon70
Feb 28, 2012 1:54 am
Hi All Has anyone seen or used the case hardening compound from Travers Tool? ...
5208
capt.eddie
capt.eddie...
Feb 28, 2012 2:21 am
All of that is a smelly concoction, the best and cheapest is just plain old charcoal-- heat your material plung it into powered charcoal leave over night it...
5209
J
joe1985
Feb 28, 2012 11:21 pm
... I have used old motor oil for doing case hardening, old diesel engine oil works great because its filled with carbon. It also depends on the steel your...
5210
Richard Perry
Perryrt
Mar 21, 2012 3:11 pm
Does anyone have a P/N for an appropriate Powertwist belt for the 9x30? Or alternately, the P/N for the stock belt? I was looking last night and mine's getting...
5211
don.medford
Apr 15, 2012 5:28 am
I bought a speed reducer several from Lathe Master years ago but never installed it. I took it out of the tool chest and the ball bearings are wide open and...
