Search found 1504 matches

by Russ Hanscom
Tue Feb 18, 2020 6:44 pm
Forum: General Discussion
Topic: hardening and tempering
Replies: 14
Views: 340

Re: hardening and tempering

Got a chart for a 1040 steel, closest that I could find. 5 mb pdf file. email address?
by Russ Hanscom
Tue Feb 18, 2020 6:35 pm
Forum: General Discussion
Topic: hardening and tempering
Replies: 14
Views: 340

Re: hardening and tempering

For most alloys, there are charts of hardness vs tempering temp. There is also a rough chart of hardness vs strength. You should be able to find tables or charts on line. I will try to find a sample cahrt,
by Russ Hanscom
Tue Feb 18, 2020 4:34 pm
Forum: General Discussion
Topic: hardening and tempering
Replies: 14
Views: 340

Re: hardening and tempering

From what little I have done, your tempering temperature seems to be on the high side. But it all depends on the strength/ductility combination you want.
by Russ Hanscom
Sat Feb 15, 2020 6:42 pm
Forum: Buy, Sell, Trade, Wanted, Free!
Topic: 5mm parting blades
Replies: 1
Views: 158

Re: 5mm parting blades

Too bad they are not half that width.
by Russ Hanscom
Sat Feb 15, 2020 9:28 am
Forum: General Discussion
Topic: trimming a groove-tool holder
Replies: 6
Views: 329

Re: trimming a groove-tool holder

I have also cut down a few shanks without incident. As an option , I have made a few custom tool holder blocks that take a larger shank.
by Russ Hanscom
Fri Feb 14, 2020 11:18 am
Forum: General Discussion
Topic: How would you make this?
Replies: 11
Views: 429

Re: How would you make this?

Not too hard to do, just finished a few for a brake cable on a 4x4. I would post a picture, but would have to crawl under the vehicle to see it! Drill center hole, cut hole for the ball on the cable from the side with a ball end mill, slot for shank with a small end mill. This one used a small cross...
by Russ Hanscom
Fri Feb 14, 2020 11:12 am
Forum: General Discussion
Topic: Removing double ear crimp clamps O clips From Air Hose
Replies: 6
Views: 244

Re: Removing double ear crimp clamps O clips From Air Hose

diagonal cutting pliers work great.
by Russ Hanscom
Mon Feb 03, 2020 5:41 pm
Forum: The Junk Drawer
Topic: junk
Replies: 24
Views: 1272

junk

Die heads are a wonderful tool, they make great threads except when you put a chaser, actually has to be two,
DSC01630.JPG
in the wrong slot.

Part salvaged by making a new stub thread, cutting off the bad end, and hot gluing on a good end. 7/8"-9 example shown.
by Russ Hanscom
Mon Feb 03, 2020 9:39 am
Forum: General Discussion
Topic: Center Drill Tip Broken Off In Hole
Replies: 34
Views: 1794

Re: Center Drill Tip Broken Off In Hole

Thanks, A one of those why did I not think of that concepts. Might even have a broken center drill to test with.
by Russ Hanscom
Sun Feb 02, 2020 9:29 am
Forum: General Discussion
Topic: Where do you guys buy Band Saw Blades?
Replies: 5
Views: 665

Re: Where do you guys buy Band Saw Blades?

I like the Bi-metal ones. Several shops in ebay that sell many grades and sizes.
by Russ Hanscom
Thu Jan 30, 2020 5:17 pm
Forum: Milling Machines
Topic: installing quil on mill drill
Replies: 71
Views: 5385

Re: installing quil on mill drill

Unless a motor is special as to features or sentimental value, it is normally quite cheaper to replace them than to repair.
by Russ Hanscom
Thu Jan 23, 2020 5:23 pm
Forum: General Discussion
Topic: Drilling holes in rocks - Help
Replies: 46
Views: 2133

Re: Drilling holes in rocks - Help

Most interesting. I would have thought the bit spline drive would have been run dry to avoid accumulating and holding grit. Learn something every day.