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The most recent discussions

Which color laser?

October 19, 2016, 8:22 pm

I must be looking in the wrong places because I have not yet been able to find out which metals absorb which frequencies of light best. I am looking at heating various metals with a laser so I need... Read more »

OT, 8N will not start

  [ 2 ]
October 17, 2016, 1:21 pm

I have been working on this thing off and on for over a year and the thing is still not running. I started into it last year hoping to be able to use it as a plow for my driveway. I still can not... Read more »

Ping Eric, etpm@whidbey, new .22 ammo soon

October 13, 2016, 12:31 pm

Hi Eric, Browning is coming out with a full line of ammo. One of which is a fragmenting .22 rimfire cartridge. Might be useful for your squirrel problem recently discussed. Go to the following pag... Read more »

Deburring Delrin

  [ 2 ]
October 12, 2016, 7:34 pm

Hey gang I'm making some parts out of delrin; they've got fins on 'em and when they're cut to length the fuzz is everywhere! I'm thinking of using m y brass tumbler with walnut shells unless som... Read more »

Square holes...

October 11, 2016, 2:00 pm

Have application just begs for carriage bolt...have never seen punch to create them--presume must exist? Something like a Greenlee but one piece is 1-1/2 hollow square w/ 1/8 wall so couldn't ge... Read more »

OT - filling a tire with foam.

October 9, 2016, 9:46 pm

I have this small tube-type tire on a wagon. It went flat. I took the tube out & checked it under water - no leaks. I put a new stem in & put the tire back on the wagon. It went flat! I gave... Read more »

plastic to glue to carbon fibre tube?

October 9, 2016, 7:16 pm

I will make some bits to clamp-and-glue to carbon fibre tubing - to fix/ locate bits and pivots and such. I need stiffness and strength, machineability, and glue-ability. Read more »

Kinda OT ... motor speed control

  [ 2 3 ]
October 8, 2016, 1:52 am

I picked up a rock tumbler power unit today at a yard sale with the thought of using it to spin a ball mill for other compounds . Problem is that I think it might spin too fast , and I may need... Read more »

Tiny little pieces of ... metal!

October 8, 2016, 12:26 am

Not much working involved, but they are metal. Any one know of a name for these critters so I can search for alternate source? https://www.google.com/#q=444262-00 Have a 23 year old Dewalt drywall... Read more »

Welding podcast

October 5, 2016, 2:08 pm

I just found out about this podcast a week ago. Since then I've listen to about half of the current eleven available at this time. I really like them. At first I cherry picked ones that sound usefu... Read more »

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The best rated discussions

Paralleling phase converters? rating: 5

I have read here that some folks use more than one phase converter in their shops and just turn on more converters as the load increases. Are these rotary converters connected in parallel? If so, is ... Read more »

Costco/"Worksmith" 115 drill bit sets saga rating: 5

  [ 2 ]

Awl -- Some Qs came up some time ago regarding these drill sets, with most comments being pretty favorable (including my own), esp considering the price: $20-39, TiN coated, etc. 135 deg point (ab... Read more »

Please help identify a 9" steady and follow rest ? rating: 5

Hello all, I had the fortune of cleaning out some last remnants of a home machinists estate, and ended up with a surplus steady and follow rest in very good condition. Unfortunately they do not fit ... Read more »

Important Weight Question about ANGLE IRON rating: 5

Hey guys. I'm getting ready to remove my rear bumper on my camper and attach angle irons directly to the I-Beam frame in order to haul my golf cart on the rear of the camper. I got the idea from a fe... Read more »

is there a 1-ton pickup with a real PTO? rating: 5

Having just sold my boom truck primarily for insurance reasons, I'm now looking to buy a truck I can insure. Meaning, a 1-ton or less, e.g. F350. I'm considering a hydraulic tiltback trailer, but I'm... Read more »

Glassblowing torch design? rating: 5

I'm interested in experimenting a bit with scientific glassblowing. The glass in question is Pyrex. I've made a start with an oxyacetylene torch equipped with a heating tip and the whole clamped in... Read more »

Mits Wire EDM Program Check Error rating: 5

When we have a path that has 2 tangent arcs, the controller will give a P70 arc error durring program check. Any ideas as to why? The controller is an fx. If no one knows, and good wire edm forums ... Read more »

Opinions on a used Atlas/Craftsman 12" lathe... rating: 5

  [ 2 3 ]

Someone in my area is selling an Atlas/Craftsman lathe. He couldn't get a model number, but I've seen this model before. He says it must be 20 years old at least. Here's a picture: http://jonjonjon24... Read more »

How to fill pitted aluminum for powder coating? rating: 5

Is there a good way to fill pits (up to .150 diameter) in an aluminum casting (a motorcycle chaincase) so that it can be powder coated? The powder coating process subjects the part to 400 degrees ... Read more »

Drilling steel with a bridgeport rating: 5

What would be the biggest diameter that I could drill with a drill bit. I am deciding if I have any need in my collection of MT4 drill bits. I am aware that I can bore holes to any diameter. i Read more »

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