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I did some longer parts a while back and there was a rum mark where they went around the hub of the bowl.

I'm a Mac guy since the late 80's, do yourself a favor and just use Windows based CAD. Most work well in VMWare. You will have to use a Windows box for the controller as Macs don't have parallel...

According to the comments on the video, it was done in 3D Max. I have done something similar in the past with mapping software. The Photos are converted to gray scale, and the height is based on...

If you get the large HF tumbler, build a flow through system to keep the metal clean. The Tumbler has 1/4" NPT threaded holes at top and bottom. I use a pond pump in a 5 gal. bucket. I pump the water...

Look here:

New CNC Drag Knife, and a very large Cast Iron Part « Milling Around

Tormach resells it. I think they name the manufacture somewhere. It will give you an idea of how they work. No...

I have had a HF 18 lb vibratory tumbler for over a year and it has run for a week strait on occasion. The HF green triangle media works fine as well. Decent unit to start. I will be getting a 3 cf...

I learned early on that it depends on how much metal you are buying. I have a local supplier that has no minimum and will cut anything I want to length. They charge about what speedy metals does. I...

I will be purchasing a Tormach 1100 in the next few months. For me it was a business decision. The first consideration was what would work. My part sizes, and production runs will be small enough I...

I know from manual machining on my own product, that CNC is much more efficient. It takes me 2 weeks of manual work to produce a batch of 100. With CNC I can do the same work in 1-2 days. Besides the...

Both powder coating and Anodizing are being done in home shops. Each has their downsides. If you follow basic safety precautions you shouldn't have any issues.

Powder coating: I have a medium...

It is called Cosmoline, as stated it prevents rust in shipping and storage. Most degreasers will remove it. After you have removed it, protect the metal with something like Boeshield or something to...

I have a PM-45-M Mill and am looking to power the Z axis just so I don't have to crank the handle. I don't have torque wrench but it took about 12 lbs hung off of the 8" crank to move it up easily. ...

Per McMaster.com - page 3321

Quick-Release Button Connectors for Telescoping Tubing

Also known as snap buttons and tubing buttons, these simple connectors use spring force and a pin-like button...

I have done a lot of looking at the miteebite clamps, and was ready to buy until I saw the Carr Lane Tiny Vise clamps. Have heard good things about them.

CLAMPS AND ACCESSORIES, EDGE CLAMPS, TINY...

I have been running and servicing Macs for 15 years, and also starting on CNC. If the intention is to make money, save yourself some time and frustration and just use Windows based CAD/CAM...

McMaster sells filter bags in different sizes. I use them to separate the aluminum powder from my vibratory tumblers. I use 5-10 micron bags. they are reusable, been using the same 3 for over a year...

I have cut 2 of the bars down and it has not affected operation. I have not tried to drill a hole in them yet.

Read some of the other posts. Did you make the completed intakes that you have in the the first pictures? I only ask because you said you only had enough material for one, and you don't have the...

sorry, forgot last night. The max size for a 45 degree cut on a 14" saw is 3 1/4" I'm thinking you are going to need a big band saw to do that. Will the company you buy the material from cut it for...

What kind of equipment do you have currently? Also it might be worth looking into finding someone with a large cold saw to cut them. Dont think it would be that expensive.

That is going to be tight, I'll measure tonight and let you know.

what is the diameter of the part? I bought a Evolution Steel Saw II last year, and put an aluminum blade on it. I have cut up to 2" square solid (6061) on it. It has an integrated vice and can cut an...

I have acquired 2 Chinese made laser tubes, a 45W, and I think a 130W (1850mm). Is there anyone in the Houston TX area that could test them to see if they work. I could not find any obvious signs of...

Morris Metals east of down town for aluminum, they even cut while I waited. I don't think they sell steel plate.

Get some neodymium magnets with countersunk holes and attach them to the mounting arms. Two 1" round magnets should be plenty to hold it. A 1" neodymium magnet will hold 65 lbs. I use them for all...

I was originally looking at the PM25/30 machines, Ended up getting a PM-45M with power down feed, Fit and finish aren't as good as the Weiss machines but it is a great machine. Love the power down...

I bought a "Steel Saw 2" by evolution power tools about 6 months ago. About $500 with an aluminum blade. I have cut up to 2" x 2" solid 6061 and several hundred .75" x 2" it is a great saw build...

Can you post some pictures? I'm sure we can suggest some solutions.

For what it is worth, I am running a Shars 2 1/2" 45 degree Face Mill (SEHT) held in a 3/4" R-8 collet (3/4" strait arbor), that I cut short to fit a future TTS collet. I have been cutting .0625...

Verify the you are using the correct drill size for the tap. (Check with the manufacturer) They usually different that the drill size for cutting taps. Fastest way to break forming taps.