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Search: Posts Made By: LKeithR
Forum: Mechanical & Electrical 04-04-2020, 06:41 PM
Replies: 15
Views: 453
Posted By LKeithR
With belts it's dead simple. Divide the diameter...

With belts it's dead simple. Divide the diameter of the large pulley by the diameter of the small pulley. The answer is the ratio between the two pulleys. If the large (driven) pulley is 9" and...
Forum: Mechanical & Electrical 04-04-2020, 12:14 PM
Replies: 15
Views: 453
Posted By LKeithR
Since it's a belt drive I'd start with a 1/3-1/2...

Since it's a belt drive I'd start with a 1/3-1/2 horse motor and a 2" drive pulley--that should put you in the ballpark. The nice thing about the belt drive is that you can change the ration later...
Forum: Welding 03-30-2020, 01:02 PM
Replies: 11
Views: 389
Posted By LKeithR
That might just be the source of your problem. ...

That might just be the source of your problem. If the helmet is always kept in the dark it might need a boost to get it going. Try hanging it someplace where it gets light all the time and see if...
Forum: Fabrication 03-30-2020, 12:54 PM
Replies: 21
Views: 1,122
Posted By LKeithR
Well Jack, the folks you do work for sure seem to...

Well Jack, the folks you do work for sure seem to have a knack for throwing challenges your way. I can only imagine what your comments were when you got the word...:D:devil:
Forum: Welding 03-27-2020, 04:18 PM
Replies: 3
Views: 256
Posted By LKeithR
There are lots of things that I wouldn't waste my...

There are lots of things that I wouldn't waste my time making but when you consider what it costs for a "good" heavy duty bench vise these days making one might not be such a bad deal. Looks like...
Forum: Machining 03-23-2020, 12:06 PM
Replies: 6
Views: 376
Posted By LKeithR
I think people are over-complicating this. If...

I think people are over-complicating this. If you want a couple dimples in the shaft put one setscrew in place, lightly tighten it and then, using a drill that fits inside the threads of the other...
Forum: Mechanical & Electrical 03-21-2020, 12:38 PM
Replies: 31
Views: 966
Posted By LKeithR
OK, those terms gotta mean something--never heard...

OK, those terms gotta mean something--never heard them used that way before.



Yeah, it does take you back. My Dad used to rebuild the engines in his cars--back when they were simple and easy...
Forum: Machining 03-18-2020, 11:53 AM
Replies: 13
Views: 778
Posted By LKeithR
An "efficient" machinist will use taps and dies...

An "efficient" machinist will use taps and dies as much as possible because it's the fastest way to make a thread. Of course there are times when you have to single point a thread but getting good...
Forum: Machining 03-17-2020, 12:40 PM
Replies: 13
Views: 778
Posted By LKeithR
Since you're a "gun guy" I'm surprised that...

Since you're a "gun guy" I'm surprised that you've never seen that before--lots of Youtube videos of gunsmiths using copper wire to protect the surface of a new barrel.



Depending on how wide...
Forum: Welding 03-11-2020, 12:43 PM
Replies: 4
Views: 449
Posted By LKeithR
For some reason I never developed a real liking...

For some reason I never developed a real liking for Bernard guns. Just a personal preference thing, I guess because I'm sure there's nothing wrong with them.

For years we used nothing but...
Forum: Welding 03-10-2020, 09:50 PM
Replies: 29
Views: 1,275
Posted By LKeithR
Too high tech for me...

Too high tech for me...
Forum: Fabrication 03-10-2020, 09:48 PM
Replies: 3
Views: 436
Posted By LKeithR
It's MAPP not map. Here's a couple things I...

It's MAPP not map. Here's a couple things I found on line. Google is your friend...

"MAPP gas" was a trademarked name, belonging to The Linde Group, and previously belonging to the Dow Chemical...
Forum: Welding 03-08-2020, 11:49 PM
Replies: 29
Views: 1,275
Posted By LKeithR
If you could get the JB Weld "inside" the joint...

If you could get the JB Weld "inside" the joint between the two pieces of tube you might be surprised how well it would hold........not as strong as solder, though...
Forum: Welding 03-08-2020, 08:35 PM
Replies: 29
Views: 1,275
Posted By LKeithR
I have yet to understand why regular soldering...

I have yet to understand why regular soldering won't work. What is the working pressure of the system? Why do you think that regular solder won't work?

If regular solder won't work why not...
Forum: Welding 02-29-2020, 02:31 PM
Replies: 24
Views: 1,126
Posted By LKeithR
I find that very hard to believe. If by some...

I find that very hard to believe. If by some chance regular solder won't hold then silver solder would work for sure. Any form of mig welding is just ridiculous. If you don't trust either regular...
Forum: Welding 02-28-2020, 12:37 PM
Replies: 24
Views: 1,126
Posted By LKeithR
Yup, that's a non-starter, plain and simple. ...

Yup, that's a non-starter, plain and simple. Properly cleaned and prepped all you need to join copper pipe is regular solder. Because of cost copper pipe and fittings are not as common now but for...
Forum: Machining 02-26-2020, 01:49 PM
Replies: 9
Views: 463
Posted By LKeithR
If you're messing with a reamer in the tailstock...

If you're messing with a reamer in the tailstock taper just be aware that it's very easy to run the reamer off centre and lose the tailstock to spindle alignment. Before you run a reamer in I would...
Forum: Machining 02-21-2020, 10:06 PM
Replies: 16
Views: 797
Posted By LKeithR
Gerry's so wrapped up in sunshine, fresh mangoes...

Gerry's so wrapped up in sunshine, fresh mangoes and Mexican beauties that he actually failed to read the fine print this time...:D
Forum: Shop & Safety 02-19-2020, 10:17 PM
Replies: 8
Views: 580
Posted By LKeithR
Yeah, I can't believe the amount of money that...

Yeah, I can't believe the amount of money that people waste on all these mystery fabric high-fangled gloves. Plain old leather will do just fine.

And what people wear gloves for. Seems like...
Forum: Machining 02-18-2020, 02:10 PM
Replies: 24
Views: 1,252
Posted By LKeithR
Five degree increments...

Five degree increments...
Forum: Mechanical & Electrical 02-15-2020, 11:13 PM
Replies: 59
Views: 5,256
Posted By LKeithR
Just watch that the weld doesn't turn that...

Just watch that the weld doesn't turn that surface rock hard--some nickel rods can get hard fast and be real tough to machine...



If you can put a bit of a chamfer on the hole and machine a...
Forum: Machining 02-15-2020, 10:49 PM
Replies: 25
Views: 1,726
Posted By LKeithR
Morse tapers are made to be removed and inserted...

Morse tapers are made to be removed and inserted on a regular basis. Many tools have them--drill chucks, live centres, tapping heads, boring heads and morse taper drills themselves. A Jacobs taper,...
Forum: Machining 02-15-2020, 02:08 AM
Replies: 25
Views: 1,726
Posted By LKeithR
Did you check to see if the drill press has a...

Did you check to see if the drill press has a morse taper internal taper?
Forum: Fabrication 02-14-2020, 11:01 PM
Replies: 27
Views: 2,026
Posted By LKeithR
Ya think? :D I still have some of that stuff...

Ya think? :D I still have some of that stuff kicking around if you need more...
Forum: Machining 02-14-2020, 01:59 PM
Replies: 25
Views: 1,726
Posted By LKeithR
I can't say for sure but it looks to me like the...

I can't say for sure but it looks to me like the drill has a morse taper socket in the spindle. The Tapmatic has a MT arbour that you should be able to pop out with a MT key. If you pull the...
Showing results 1 to 25 of 2783

 
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