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Is the amount of error before drive will fault adjustable????

Is it possible to know how much error will cause drive to fault?

Could excessive chatter cause drive to fault?

Thank you for answering some of my questions.:)

Without ever using a closed loop system, doesn't the driver card or the controller software adjust steps on the fly to keep the position and the...

Hi,

My friend just purchased a manual PM-940 with harden ways and has asked me to help with installing CNC. I'm only a hobbyist and added an open loop stepper system with Desknc to CNC my shoptask...

Trying to wire up a Bridgeport series one 1 hp 3 ph motor.

I know how to wire up but I'm not sure which wire is 9 and which is 6 due to the labels. (The motor was wired as 440 volt and I'm going...

Were you talking to loose1 or me. He has 2hp, I have 1hp.

I give up on IH and just bought a used Bridgeport for right at half the cost. I'll need a vfd but then the IH would need a stand so I'm still right at half the price. I'm am talking about manual...

I'm needing one too.

I just purchased a J-head 9x42 Bridgeport 1 HP belt drive a couple hours ago and I'm pumped.

Not only the HP size but want actual drive would one suggest. Need single phase...

I'm interested in purchasing a Clausing Colchester lathe. What should I look for in these lathes......known problem areas??????

One lathe is a 15x48 the other 15x50 (listed in ads). Both are...

Does anyone know any information on these lathes?

Would the 1136 relate to a 11 inch swing and 36 inches between centers? The seller can't even provide me with specs over the phone. What would...

I'm wanting to find an old Bridgeport mill and a lathe in or around the Indpls, IN. area. Is there any surplus dealers that sell the older stuff here?

I found HGINDUSTRIALSURPLUS up around the...

Jacob12,

Sounds from your responces that you know more about this than just some guy half bent dreaming. lol I do that sometimes. lol

Is it actually possible to buy a mill (container of mills) from the manufacture? It seems every dealer selling RF45 clones would be selling/offering these IH clones. Don't get me wrong, I think it...

Jetflatline,

"MOST" parts.......I can't beleive it's not "ALL" parts.

I am really glad I didn't buy a manual mill from them. Actually I'm pretty sad because,,,,,, I really like the machine. It...

I just bought silica sand at Home Depot.:)

The flux is #770 by Asbury Fluxmaster Products. I don't really have any other information on the product. The local supplier just scooped up 10 pounds of flux out of a big barrel and handled it to me...

Sorry, I didn't pay any attension to the web site. I was just surfing around, found the info I needed and exited out. It made sense to me, because I get good results adding before the melt and after...

Just found the info to my questions else where on the net.
1) Add flux to crucible before melting.
2) Remove dross
3) Add more flux to melt and stir.
4) Remove dross
5) Add degas to bottom of...

Just bought some flux (only 70 cents a pound) to try in an aluminum melt. When and how do you add the flux? I tried just adding some to a melt after it was melted. Seemed to work great. I then tried...

Paprjam,
I think your right about the zinc. I made another crucible the same size as my orginal that I was having great luck with before. I put a couple of chunks from the foamy/mushy melt I had dug...

He is avoiding "your" calls. Borrow a cell phone and leave a message that you are interested in purchasing a couple turnkey CNC machines. Don't leave your correct name either. He/they will return...

I think I might not be getting things as hot as I thought. Just got in from trying to remelt again. Things I found.

1.) I think the curcible is too big for my foundry. Too big around and too tall....

I did put several small "cold" pieces into the melt. Then I really heated things up to try and melt the "foam".

How hot is too hot?
What does the aluminum look like when it oxidizes?
Is it a...

It's hard to explain but I couldn't get the aluminum to melt correctly tonight. I first loaded up a crusible and all the aluminum melted as before with no problems. I skimed off the dross and added...

I just melt aluminum.

The mix
2 parts bentonite
2 parts silica sand
1 1/2 parts perlite
1 1/2 parts portland cement
1 1/2 parts firerock

Just melted a couple of old carbs tonight and...

Use a propane burner. Heats things up real quick. I first built a charcoal fire to dry out the new foundry. I could tell from the mess I didn't want to deal with charcoal.

Bob

How long will the home brew refractories last or start to fail? I've fired my new foundry several times and I'm not seeing anything failing. Just a few cracks in the lid where the exit hole is, but...

After months of talking I finally got my foundry built. Today was my first melts and it was a blast. Just made aluminum ingots in an old muffin pan.

Questions
1) Do you need to degass when just...

Making post just to bring thread back to the top again. Didn't know how to direct to this thread in another post.

Tomb
I posted some pictures of something like your asking about. The post is under "patriot/bridgemill tuning". I'll make a post in it to bring it on top, not sure how to make a path to the thread....

I've been warned by others about the IH quill slop.

I want/need to be able to machine a 3 inch square with all sides being a near perfect 90 degrees to each other without any repositioning. The...