View Profile: kf2qd - The Home Shop Machinist & Machinist's Workshop Magazine's BBS

06-18-2013, 07:45 PM

kf2qd replied to a thread Derbyshire 750 headstock - turns but with resistance in General

Dis-assemble clean and re-assemble. Possibility of dried out lube or rust in a bearing. If it is only dried lube you then have 2 good spindles.

1 replies | 148 view(s)

06-16-2013, 08:57 PM

kf2qd replied to a thread 220V splice in General

Depending on where you live - the rules may vary. Soldering is not a good idea. Doesn't hold up in the case of bad problems and too much heat... ...

70 replies | 3040 view(s)

06-16-2013, 08:49 PM

kf2qd replied to a thread (WARNING PICURE OF MACHINING STUFF INSIDE) Buffalo Naval Park in General

Down in Corpus Christi they have the Lexington. Full machine shop and it still works. use it to do maintenance on the old gal.

8 replies | 1003 view(s)

06-14-2013, 09:49 PM

kf2qd replied to a thread Laser Welder Gloat in General

I believe that those Yaskawa Sigma 2 drives can be run in Stepper mode (step/direction) and in that mode they would work with Mach3. Might not be as...

37 replies | 2429 view(s)

06-06-2013, 09:46 PM

kf2qd replied to a thread Want a lathe.... In South Texas... in General

Guess I should have said Deep South Texas... I live outside of San Benito, almost Mexico.

10 replies | 615 view(s)

06-06-2013, 08:45 PM

kf2qd started a thread Want a lathe.... In South Texas... in General

As I live in South Texas the area that I can cover to find a lathe has a serious lack of population and a resulting lack of machinery... Anyone...

10 replies | 615 view(s)

06-05-2013, 07:05 PM

kf2qd replied to a thread 3D Printer questions in General

Was looking at an article at work today and they had one they mentioned, I looked at the website and the extruder head was $95. Just need a way to...

73 replies | 3529 view(s)

06-05-2013, 07:03 PM

kf2qd replied to a thread Roller chain size in General

What size pin fits the sprocket and what is the center distance between pins. Then do a search using Roller Chain Specs. There are several sources...

11 replies | 757 view(s)

05-22-2013, 09:34 PM

kf2qd replied to a thread OT - PayPal Rant in General

I used to use paypal, but then I had a credit card compronised (not through paypal) and when I got the new card paypal has refused to accept it....

41 replies | 2853 view(s)

05-22-2013, 09:23 PM

kf2qd replied to a thread Are involute gear cutters involute? in General

They are close to an involute, and certain number of teeth will be closer than others. Unless you are doing high torque or high speeds they should be...

2 replies | 302 view(s)

05-22-2013, 09:21 PM

kf2qd replied to a thread My Apology to the forum! in General

Hey FlyLo - Don't take it personally. I can understand how you feel and sometimes you just need to unload a bit. Haven't seen anything to be...

66 replies | 5169 view(s)

05-19-2013, 06:15 PM

kf2qd replied to a thread compressed gas mixtures in General

The different gases liquify at different points. Gasses are liqufied by compression and cooling. Nitrogen - the most common gas in the atmosphere -...

12 replies | 820 view(s)

05-12-2013, 07:09 PM

kf2qd replied to a thread Self-made: motor pulley in General

Pulley size was too small. Bend raduius was too tight for the pulley/groove angle. Smaller pulley has less contact area. Groove angle looks the same....

28 replies | 2228 view(s)

05-04-2013, 08:44 PM

kf2qd replied to a thread cast iron definition in General

Some of the parts you list are not made from castings, but rather are forgings. A forging may start out life as a casting, but the forging process...

21 replies | 1520 view(s)

05-04-2013, 08:36 PM

kf2qd replied to a thread OT Re: "separate" a GFI outlet?? in General

This doesn't sound like it would meet code. If the ground fault outlet in in the same box with other outlets then those outlets would also be in a...

14 replies | 952 view(s)

04-10-2013, 08:13 PM

kf2qd replied to a thread Third motor control within 20 hours of use on DC motor? in General

How long as that treadmill been in use? You could have enough brush dust inside the motor to short out and kill the driver.

23 replies | 1212 view(s)

04-07-2013, 06:23 PM

kf2qd replied to a thread Grounding rod placement??? in General

Grounding can either be a piece of cake, or it can drive you up the wall. Depending on where you live, the current drought can wreak havoc with a...

24 replies | 1693 view(s)

04-01-2013, 09:04 PM

kf2qd replied to a thread OT: Internet Explorer Choices in General

SO - if there is a better choice you don't want to have anything to do with it? Okay. But no using IE is also an IE choice.

25 replies | 1499 view(s)

03-30-2013, 08:27 PM

kf2qd replied to a thread HF 90A Flux Core Welder Conversion to DCEN? in Home Shop Welding

How were the chokes made? A choke made from ferrite rings is very easy to make.

3 replies | 417 view(s)

03-22-2013, 11:30 PM

kf2qd replied to a thread QCTP More rigid design in General

For deep boring and grooving the problem is generally not with the toolpost, but rather with a too small machine and the leverage the bar has on the...

31 replies | 2902 view(s)

03-22-2013, 11:25 PM

kf2qd replied to a thread Percussion cannon, what to do, whats best, and stuff? in General

I had a cannon I made from a piece of 5/8 DOM tubing with an 1-3/8 OD. I fired it off with the same powder I use in my .50 Cal black powder rifle....

29 replies | 4768 view(s)

03-22-2013, 11:18 PM

kf2qd replied to a thread benchtop bed mill headstock counterweight in General

You are going to need some thing close to the total weight of the head. Just remember that you are also going to have to move that mass every time...

19 replies | 1126 view(s)