HF 8x14 work in progress

[antichip]

Hello,

I Have had the HF 8x14 for a while and used it a little here and there.
The last few months I have been getting parts together for my various projects. For the lathe project I have aquired a Baldor .75 hp 3ph motor and Allen Bradley VFD. I am also removing the gearbox and replacing it with a stepper.

The new motor is a face mount and I will be mounting it to the alternate pully plate.

The stepper will be in place of the gearbox and will be just for a crude power feed.

I will be using one of the 2 all in one kiosk type computers seen on the bench as my controller computer. It will be running emc .

[g29cc]

Nice M1 hanging on the shelf !

[antichip]

Well looks can be deceiving, It is an m14 airsoft. A higher end fully automatic bb gun for lack of better descriptor.

I had to make a spacer for the motor plate. I also made a KISS stepper mount. It will mount to the lathe with one of the gearbox shield holes. I will get some pics up when I find my battery charger. I hope to have both mounted in the next day, then onto mounting computer and other crap needed.


I got the motor mounted a little while ago. Now will be the wiring in the fwd and rev switch and start stop switch wired in. The VFD has an analog input for the speed. I am hoping a PWM 5v output will allow speed control.

I could also stick with a 10k ohm pot and use a tach.

I'm also not sure where to mount the computer. We shall see as it progresses.

[antichip]

Well I had to fix a tattoo power supply and a computer so not alot got done Sunday. I got the stepper mount hogged out at work and got it mounted when I got home. Plus a little bit of cleaning. Man what a pit. I got the spindle tach figured out as well I think.

I have an optical interupt switch. but I must look into reading this pulse without aditional hardware.

[antichip]

Got a huricane day today so I am going to try and get the tach stuff mounted. It will be the first time the HF 4x5 lathe will be used.

[Mr.Chips]

Nice Thread. Looking forward to seeing a really versitile mod.

[antichip]

I got the parts mounted today. the little lathe performed pretty good on the plastic. It will be cute as heck running cnc control. So pics are worth the words.


I will use the rest of my day to try and organize and clean a little.

Thanks Mr chips.
The real versatility will come with the turret ATC and the live tooling. I have to sell some of my extra bits and pieces like touch monitors, linear encoders, port servers, ect, and ect to fund more motor drivers, but this is not an ad.

Where would one put a build log for a shop?

[tauntdesigns]

Looking good,

You've given me a few ideas for my Lathemaster 8x14.

Thanks,
Jack

[antichip]

Well not alot got done yesterday. Got some cleaning done and trying to figure out the screen position. I have a few misc mechanical things yet to do on this first stage, but we are close.

I'v got plastic US digital linear encoders and I and pondering how to mount them and keep them nice. 360 lines per inch. Not great but free enough.

[antichip]

Looking good,

You've given me a few ideas for my Lathemaster 8x14.

Thanks,
Jack

You know it is not fair to be inspired and not share the dream.

I wanted to get a few more pics posted up this morning before work but the ride was here too soon. So I got my pulley drilled and tapped for the set screw at lunch today. This is the motor pulley. The fit of the original pulley to the new motor was a near perfect fit. I would say I got lucky, but luck is nothing but being prepared at the right time and taking advantage of that preparation. I'd rather be lucky than good any day.

The stepper motor pulley was too big for the motor shaft, but a plastic pulley a had a aluminum center for the shaft mounting, again I was lucky and the pulley was a perfect fit for the guts of the plastic pulley. I am pointing this out as a few of you may notice the double set of set screws on the stepper.

Please bear in mind there is no real plan just a general goal.

Like I said above I have the linear encoders that I could use but I'm not sure how much I would actually gain until someone finalizes a stepper motor brushless type drive. Did that make sense? I also have some very nice laser line generators, but for the life of me I cant think of a totally practical use for it. Center line yes but probably useless.


here is a little better pic of the controller computer and my 2 mounting options, but I think I decided on the higher of the 2. It will be hinged to get out of the way of the yellow tool boxes with tooling.

The enclosure I have only just begun to think about. but I think I want a sliding door. sliding to the back.alright enough for now.

[tauntdesigns]

"You know it is not fair to be inspired and not share the dream."

I have been wondering how I was going to mount a variable speed motor to the lathe and have been looking at the old motor mount area. I had not thought of using the pulley mount area.

I like your idea of putting the stepper in the bolt mounting area.... Have you made a cover for the front of that area to keep chips out?

My lathe build thread:
LM8x14CNCbuild

Cheers,
Jack

[antichip]

I have not yet decided on the "chip cover" It will prolly be a shaped aluminum plate epoxied in place. the chips are of no concern it's the flood coolant that shall be my bane. I considered putting in a chunk of foam in the motor spot and doing a solid epoxy matrix shield but no.

I am going to start on some new gibs tomorrow I think. Or at least get some rough stock cut.

ok it's 11 and I gotta be up at 4:30 for work.


Nice work on your machine.