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AHHHHHHHHHH! Thank you for these last couple of posts its all very clear now. Both the lathes in question were geared head lathes. Still not sure why the power was so different, but I will chalk it...

Yea, I know I did quite well in school. (3.8GPA, Full scholarship to both tech school for machining, and college for Mechanical Engineering) I can do the math just fine. My problem is more with the...

So when one of those gets to say 750RPM, from 750RPM->4000RPM it will make the same amount of horsepower. (With the exceptions of the ones that fall off at the end.) However a manual lathe will be...

I am aware, however does that mean that electric motors have RPM that they're rated at? A 3HP electric motor rated for 1700RPM would be more powerful at 800RPM than one thats 3HP at 2500RPM?

I still don't understand how they rate horsepower for electric motors. Is it at the maximum RPM given? Would a 5HP 2500RPM machine make say only 3HP at 800RPM?

I too would like any info there is out there on this.

I was wondering about the horsepower ratings of different electrical motors. I am a student machinist and I was using an older 3HP Harrison lathe that would bog down/stall out at .010 per rev and...

I am looking to build a furnace. My plan it to use a Steel pot from Wal-Mart, then line it with refractory cement. I was planning on having a pipe running into it but haven't decided on a fuel yet....

I was wondering if anyone here makes their own brass or bronze alloys or if this is common to do. I figured out that a pound of 1982+ pennies (97.5% zinc) costs about $1.80 and scrap copper runs...

I love you internets!!!!

http://www.patentstorm.us/patents/5306359-description.html

Funny that I got the temp right for aging, but was off on the time.

For aging the military suggests...

I figured I would cast them, bake them, and then machine them leaving maybe an extra 1/16-1/8 for finish machining is that not what companies normally do?

I will likely need to do machining on some of these casting, but I cant really wait a year for it to age, nor can I afford heat treatment. Is there a book that will tell me hey bake this at 300* for...

I've got about 80lbs worth of aluminum wheels, but I'd like to know what alloy they are. They're good ol' factory ford wheels from a tbird and a ford ranger. Seems like they'd use 6061 but I was...

I did but most of the ones I saw were about vacuum forming plastic. I want something to hold a piece or jig for machining and quicker parts changes.

Hi, I am a student at Mid Florida Tech and I was thinking about creating a Vacuum Table to sue for engraving and machining. This would go on the school's Hurco VM1 and be machined on it mostly as...

Hello, I have a Hurco VM1 machine that is brand new. The spindle load mnoitor never shows anything when running a program, but when starting up the machine it will flash on so I know what it should...

Already fixed it, thanks.

Never mind, I had told it to face into the part Thank god it didn't or my instructor would've...(nuts)

Glad to be a part of this forum I am sure well find some good advice and products here.

Hello, I am a student at the local tech school Mid Florida Tech. We have a Hurco TM6 and I can't figure out how to make an Arc correctly. I will run the program and have a profiling tool set in tool...