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Need Help! Mastercam X7 HLE

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I was wondering what would be the best way to mill a simple 2d pocket. The HSM horizontal toolpath seems to be a good choice but I get a lot of air milling with it. For example, I use opti area for roughing, and then the horizontal toolpath for finishing. Unfortunately, the horizontal toolpath tries to mill everything, even the parts that have already been removed by the opti area toolpath. In other words, there's a lot of unnecessary air milling. Any solution for this?

Wanted: Bushings for variable speed motor sheave on import knee mill.

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They're just like the flanged, slotted plastic ones used on Bridgeport mills, except they're larger. 35mm ID, 38mm OD, 26mm tall including flange, 2.5mm flange thickness (top to bottom), 3mm ID to OD.

The motor is a 3HP Baldor, with the metal adapter sleeve for the varidisk pressed onto its shaft. Nothing wrong with any of it except one bushing cracked and the other one is worn, so I should be able to replace the bushings. They just snap in place, got the unbroken one out intact.

Some company made these 23 years ago. I'm pretty sure ACRA didn't have them specially made just for the WS-18VH. Who makes bushings like this now? They can be taller, would add more stability and improve the wear life.

NEED HELP ON THE POST FOR ARKIA SEIKI SR3 TAP CAL SECTION

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hi we just got a arika seiki sr3 it a meldas 60s mitsubishi control, the only
diffrent it the tap .

G98 G84 X Y R.1 Z-.25 E32 S450,R1
THO ONLY DIFFERENT IS THE (E32) IS THE TAP PITCH FOR EX; 8-32 OR 10-32

PLEASE HELP HOW TO WRITE A CAL SECTION IN THE .LIB
THAT POST OUT E32 OR ECT INSTEAD OF (F)
THANX

Selection of stepper Motors for Bridgeport Series I Boss 6 CNC Retrofit

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Good afternoon all,

Been awhile since I have had time to play with any CNC related items, but its always been at the back of my mind. Finally moved into our first house and it has just enough room to put together my boss cnc mill I picked up sight unseen just over a year ago. This machine already has a retrofit on it so part of the work is already done.

Currently it is setup with a power supply probably put together from the original components. My multimeter is telling me its outputting about 56 volts. BOB: is a PMDX-122 and the Drivers are Gecko G202s. Its currently utilizing the Stock Sigma or Superior steppers.

From the reading I have done it looks like I might see some advantage to upgrading the stock steppers and maybe even need to as the old units might just go kaput on me. I guess what I am looking for is the best bang for my buck on replacement. looks like the stock steppers are in the 850 oz/in range.

I guess I am open to suggestions and suppliers on new steppers. I am currently looking at two: G734-950-4 from Gecko and KL34H295-43-8B from Keling.

Now I don't claim to know much about steppers and how they work, but here is what I think I understand so far. My system uses a 5 tpi ballscrew and a 2:1 belt drive to the motor. Assuming a maximum axis speed of 90 IPM I am looking at 3000 PPS (Pulses per second) Per the charts provided for both motors the Keling motor will provide approximately 640 oz/in of torque at that speed. In comparison the Gecko will provide 200 oz/in of torque. At the more common to machining speed of 30 IPM I am looking at 1000 PPS where the Keling motor will deliver approximately 880 oz/in of torque vs the gecko at 725 oz/in. Seems like the Keling is the clear winner.

Am I missing something? Is there a different motor I should be looking at? The keling will opperate best at 58volts and the the gecko at 70volts. So my power supply is already geared more to the keling.

Last but not least. What should I see as far as gains in power and speed vs the original steppers? Currently I can grab the (2") diamter pulley on the stepper and turn it without to much effort. I am a big guy, but I guess I would expect better performance. I guess the stepper isn't as big as it looks with the monster heat sinks on it.

Let me know your thoughts and inputs if you would. Thank you all.

Joel

Z axis losing steps

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I have a sieg kx3. Recently while machining aluminum with a 3/8 two flute endmill, the spindle stalled during a plunge cut of only 0.1875". I immediately hit the ebrake and retracted the tool. Since then the z axis randomly loses steps. I have checked the ball screws and every thing appears tight. Everything is lubed up well and I wrote a short code that brought the head up and down from z0 to z3 repeatedly without it losing its zero. What am I missing here? Sometimes it machines perfectly with a 0.125 endmill, other times it loses a step, and drags the endmill into the material on a retract and breaks it.

News New Classifieds now open!

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We are happy to announce the new CNCzone Classifieds ! This is a very easy to use classifies system and offering advanced filtering based on geographic locations for items for sale, Multimedia uploads, Facebook connect, importing/exporting bulk ads and much more. Did I mention it's FREE! Yes ads are free and we offer ad upgrades at a very reasonable price. So give it a shot and check it out and try it! If you run into a problem please submit a support ticket or use the support section on cnczone for the classifieds.

PMC code Leadwell

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Hi,
Does anybody know the code for editting the PMC ladder an a modern Leadwell?

Thx!

best transparent material for safety shield?

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i have a mini mill and the top edge of the enclosure is at chin level, so the operators face is always exposed while operating it

id like to make a transparent shield of some kind so that the machining can always be seen, but is strong enough so in a worst case accident like somehow an entire bt30 tool holder goes flying at 7000 rpm it will stop it

it needs to be something that will not scratch because i dont want to be replacing it and i want to just be able to wipe it off with windex even if it has chips on it, without scratching it up

im thinking some kind of gorilla-glass with wires embedded in it would work

that or gorilla glass with a fabricated "prison bars" shield made over it

or?

XHC wireless pendant

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Hello,
I just received my wireless pendant from ebay and set it up per included instructions. using mach3 with a uc100
everything seems to work great in step and continuous mode.
When I chose the MPG mode under jog screen(Tab) nothing happens. is there a set up step in ports and pins that I am missing.
How does the MPG mode work? seems like I cant get the shuttle option because the MPG does not work.
Any help will be appreciated.
Thank you,
HT

Newbie DIY cnc router kits

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Hello all. I'm a designer/sculptor who's primary business is design/build of corporate, hospitality and hospital art. I'm looking for a large scale (5'x10') DIY kit. The only ones I've found so far are the Green Bull from Buildyourcnc.com and CNC Router Parts Pro 4896 which I have been told I can get in a 5'x10'. Are there any others that I'm just not finding? Does anyone here have any experience with either of the kits I've listed? The frame from CNC RP looks sexier, but the Green Bull kits seems to be a more complete kit.

I've noticed neither kit offers a vacuum table set up. I could build my own, but from lookong around this forum some it seems most of you are not using a vacuum system? Other than cost is there a reason for this?

I have a good deal of experience using a Multi Cam 3000 series machine as well as a Limac 3000 series machine(not a bad machine as long as you don't need parts or customer service).

I would use it to cut plywwod, mdf, plastics, acrylic and aluminum up to 0.125"(so I would like to add a misting system). I'm not a high volume shop so I'm more interested in accuracy and repeatability over speed. I'm very mechanically competent so build difficulty is not an issue. I'm looking for a kit because I don't want to go thru the time and effort of rounding up all of the parts myself. I'm very busy right now and this month alone have outsourced enough cnc work to have already built something!

Thanks for your help, if there is already a thread discussing this could someone point me to it?

bob cad slice planner

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I am new to cnc zone but I am having a problem with bobcad cutting a flat a the bottom of an arc. it is a flat piece of aluminum .69 radius running on top it is parallel to the flat stock so slice planner makes sense. I stepped over .005 at a time using a .125 ball endmill. my tool path inside bob cad shows a stop in cut on each side of the radius at the bottom until you remove the layer with the material in it then you can see the whole tool path. In the machine it is leaving a flat in the bottom of the radius and I am not sure why it is doing this. Any help would be much appreciated thanks

Quick Change vs Gang vs Turret tooling

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Can anyone that has worked with all three comment on the technical pros and cons for each method of toolholding on something like the Tormach lathe for prototype or short run production?

As release of the lathe gets closer prospective buyers (like me) will need to make some decisions on which way to go with tooling, especially if we want to make the decision right the first time through.

Mike

COMPARTIR

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Hola a Todos:

En esta comunidad se trata de compartir patrones, me he dado cuenta que han dejado de hacerlo. Espero sigámoslo haciendo
Aquí comparto algo para ustedes, espero sea de su agrado
Gracias....
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New Machine Build esab pcm-1125 using for a cnc plasma table

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I have a chance to buy a Esab pcm 1125 New for 500 dollars. No its not hot the owner bought a 460 v by mistake. I have 208 v but I also have a Auto transformer. It has a 460 v tap. My Question is it has a High frequency start I'm using Candcnc lcth. Any one have any luck on this
Thanks Randy

Need Help! Multilayered question about making and nesting mdf panels

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I have never used V25 BobCad-Cam as I have been drawing and machining from Solidworks. That will be a mute point since they do not have nesting in V3 BobCam for SWs. I would like to use my V25 3xPro to design, nest and machine mdf doors so here are my questions related to that.

Can I design parametric doors? Since I use dedicated shaped tools for each pass I would assume the part will consist of an outline with individual toolpaths inside for each tool to cut on.

If this is the way it is setup can I have each line named as a layer that a set of features can be loaded to automatically apply the correct tools and settings to?

Is there any way to select a specific part (door) from a catalog and create a list of sizes that will dump into nested sheets? Individually loading and resizing isn't practical.

Not being familiar with V25 I would like to know the possible steps necessary to do what I want to do. If this works I'm going to sell my Cabinet Design software.

Forrest

My Camaster Experience / Review (Cobra 510 ATC)

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A few months ago I bought a Camaster Cobra 510 ATC with a "two-year warranty" for $50,270.00. And while I had heard good things about them in the past, I have to say I have been surprised by the generally terrible customer service and poor product performance. Quite honestly, I feel like I threw away FIFTY GRAND.

To start off with, when I was ordering my machine, I requested an add-on and was told it was $500. While that wasn't cheap, I decided to order it and was promptly told "Oh, sorry. It's $700 now." When I said, "I was quoted $500 by one of the owners. Can't you honor his pricing?" I was told "No, it's $700". While that was a small thing, my experience with them hasn't got any better...

Not long after I got my small business up and running, my machine started locking up and generally having a mind of it's own. It would refuse to cut, then it would cut a sheet or two, and then skip a few commands and go on to random movements so as to completely destroy the sheet I was trying to cut. At $277.76 per sheet, this very quickly became an expensive problem. One of my biggest problems with Camaster is half the time, you can't get someone on the phone there. They have 2 or 3 tech guys and they are constantly "in a meeting", "training" or "traveling". And if you have a problem during any of these times, you are basically SCREWED. After a full week of going back and forth with the tech department (when I could even get someone on the phone), the only answer I was getting was "Gee, that's weird". Doesn't inspire a lot of confidence does it? I had personally made commitments to cut several projects and lost about $1,500 a day while I was down, not to mention looking like a complete joke to my customers thanks to Camaster.

When I finally convinced Camaster that I needed a replacement motherboard, I was told that it would take another 4-5 days to ship it to me. They could overnight it, but it would COST EXTRA. WTF? I'm out $50k, my business is put on hold, I can't fulfill my commitments while the machine is down and you won't even comp the shipping? On top of that, replacing the motherboard is not for the faint of heart. Fix this if you can.jpg There are about a THOUSAND color coated wires going all over the place and the instructions I got from them were "Just unplug the wires from the old one and hook up the replacement". ??? Not much to go on is it? Since their factory is only about 4 hrs away from me, I thought they would send someone out to fix it, but NOPE... I'm on my own.

Now, it's less than 60 days since the last repairs, the machine will not cut ANYTHING AT ALL due to a bad Y1 drive. Again, my business is put on hold until someone finds the time to ship me the part to repair this big piece of junk. Time is money to anyone who forks out this kind of dough on a machine, but Camaster fails to realize this and fails their customers. I wish I had gone with a more reputable company, even if I had to pay a little more for it. If you are considering buying a Camaster, look elsewhere and CONSIDER YOURSELF WARNED...
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Cost to change control

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Hi folks

I was wondering if anyone has an idea how much it would cost to convert controls from fanuc 31iM to heidenhain 530i, The machine involved is a Hyundai KIA KBN 135CL Horizontal Boring and Milling Centre with traverses of 4000mms and 2000mms, a 20,000kgs table capacity,


Thanks

What material should I use?

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I recently made a rubber candle mold by using my 3-axis Taig milling machine to machine a 4"X4"X6” block of pine to the desired shape of the candle. I then poured liquid urethane on it, allowed the urethane to set, and removed the pine model so that the cavity could be filled with wax to make a candle. The problem is that the grains of the pine left an impression in the urethane that transfers over to the candles! Does anyone have a suggestion of an alternative material that is inexpensive and is easy to machine? Thanks,

John

Heidenhain TNC407

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Hello

I have a problem with "Blockwise transfer" for my Heidenhain TNC 407. Let me try to explain. I am using TNCServer on the computer, and RS232 cable. The baudrate is set to 9600. The normal transfer of programs work well both ways, so it seems like the connection between the milling machine and computer is ok. But I would not get Blockwise transfer to work. Can anybody give me a description how to use the Blockwise transfer, cause I think it is a user fault.

Bajasbug

Solidworks 2014 Beginner & Advanced Video Tutorial FEBRUARY SALE!!

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Solidworks 2014 Beginner & Advanced Video Tutorial Bundle - $129.95

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