Search found 1511 matches

by Rich_Carlstedt
Thu Jul 30, 2020 9:56 pm
Forum: General Discussion
Topic: Special Die
Replies: 21
Views: 616

Re: Special Die

A note to those not familiar with Geometric heads. These Die heads were greatly used by Screw Machines years ago, but when CNC lathes and machines took over, They became obsolete. They have Die inserts ( threaded cut edges) that can be resharpened and in order to allow that, the heads are adjustable...
by Rich_Carlstedt
Thu Jul 30, 2020 9:45 pm
Forum: General Discussion
Topic: How to increase tightness between splined pieces?
Replies: 18
Views: 405

Re: How to increase tightness between splined pieces?

Lots of questions to ask which can affect the approach Does it have to be removable ? Do you want the spline to move linearly when in use ( at all ?)? Is it for anti-backlash that you want fill Is it for power transmission How close alignment is required How much $$$ do you want to spend ( Is it fix...
by Rich_Carlstedt
Tue Jul 28, 2020 10:52 pm
Forum: General Discussion
Topic: Special Die
Replies: 21
Views: 616

Re: Special Die

Has anyone run across a 19/64"-32 die? (aka .2969"-32) .................................................. Plan A is to see if a 5/16-32 in a Geometric head will collapse enough. .................................................................. Not a problem , I do that all the time with my Geometr...
by Rich_Carlstedt
Fri Jul 10, 2020 12:05 am
Forum: Live Steam
Topic: West Valley electric locomotive
Replies: 19
Views: 4766

Re: West Valley electric locomotive

Update of original post to show pictures since Photobucket is dead. Here is a 1925 Baldwin-GE Steeple cab that was built as the third group of the West Valley . You can see the Baldwin rolled roof and the cow catcher trucks with outside air brake cylinders. Also the Chicago, South Shore and South B...
by Rich_Carlstedt
Fri Jun 26, 2020 9:30 pm
Forum: General Discussion
Topic: Band saw blades
Replies: 14
Views: 2269

Re: Band saw blades

Like Starritt Bi-metal blades , but the best is Lenox DieMasters in 64 1/2 " with 10-14 vary pitch blade ( .025 x 1/2" )

Rich
by Rich_Carlstedt
Sat Jun 20, 2020 6:11 pm
Forum: General Discussion
Topic: Mystery Metal
Replies: 15
Views: 2212

Re: Mystery Metal

......................The specific gravity determined with my "lab grade" kitchen scale turns out to be 1.77 I just looked up Magnesium, in pure form has density = 1.738 Do Magnesium alloy burst into flame when machining? Sounds like magnesium Usually you only hear of the dramatic "failures" Yes, i...
by Rich_Carlstedt
Fri Jun 05, 2020 8:17 pm
Forum: General Discussion
Topic: Anouncement - Shaper CD
Replies: 6
Views: 2482

Re: Anouncement - Shaper CD

Yes, and Errol ( a dear friend ) passed away about 3 years ago.
You might try the New England Model Engineering Society to se if someone there can help.
Errol was a member and was secretary I believe .

http://neme-s.org/

Rich
by Rich_Carlstedt
Fri May 08, 2020 12:05 pm
Forum: General Discussion
Topic: Ellis dividing head collets
Replies: 15
Views: 3397

Re: Ellis dividing head collets

Glenn here are a few pics. First, I think I have a later model of the Ellis, but that should not make any difference The bore of the spindle at the rear ( your first pic) has a straight bore of about .937" (crude measurement) so here is what mine looks like, note the spanner holes for a bearing adju...
by Rich_Carlstedt
Thu Apr 30, 2020 1:03 pm
Forum: General Discussion
Topic: Ellis dividing head collets
Replies: 15
Views: 3397

Re: Ellis dividing head collets

Glenn, There are collets for the Ellis Dividing Head I have both the Ellis and the collet adapter and draw bar and took a picture for you The adapter in the brochure is a straight bushing with a # 9 B & S taper OD with a 3 C Collet bore My Adapter has a Knurled collar on it which you can see in the ...
by Rich_Carlstedt
Wed Apr 08, 2020 3:43 pm
Forum: General Discussion
Topic: Milling vise choice
Replies: 26
Views: 5355

Re: Milling vise choice

................................ A 4" Kurt if you can even find one today since there no longer made come at highly inflated prices unless you get really lucky. Probably a small step down in overall quality would be one of these. https://www.glacern.com/gsv_440 ................ Yes there's much che...
by Rich_Carlstedt
Wed Apr 08, 2020 3:04 pm
Forum: General Discussion
Topic: Machining flat 304 stainless
Replies: 5
Views: 1741

Re: Machining flat 304 stainless

+ 1 with Russ's comment . I have also used "Shock" at work As soon as possible after machining , you shock the metal . sometimes dropping it on a hard floor is enough Also drop it before you machine it . The Molecular structure rearranges ( partially ) in the shock process and while the metal moves,...