Fanuc Alarm 51 incorrect chamfer

April 12, 2016, 11:44 pm

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Hi Folks,
I am stuck on why i am getting the error message in the subject. I did some looking around and see references to the change in X within the code to be at least 2 times that of the radius, I think I get that as if the step up in the x is too small the radius can not be placed on the "step" of the change in X. That said, I am trying to put a 0.035 chamfer, not a radius, where the change in X is 0.063. I don't see why I can't have a 45 degree chamfer when my step is almost 2 times the requested chamfer. The part I am making for a customer requests this shape.

Here is the code, any help would be greatly appreciated . . .BTW, relative noob to Fanuc 21i

N45 G0 X0
N50 G1 Z0.0
N55 X.352 C.035
N60 Z-.346
N65 X.415 C.035
N70 Z-.8320
N75 X.7385
N80 Z-1.542
N85 X1.0

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Mechatron HF spindles

April 13, 2016, 3:58 am

≫ Next: Maho MH700S - Move tool axis (Z in G17) with X?

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Has anyone had any experience with Mechatron HF spindles?

I'm considering a 2.2KW 42K RPM, with HSK25 pneumatic tool change.

http://www.spindel-shop.de/Shop/prod...lwechsel-.html

Also in the pot are Ibag and Jäger, but similar specifications are probably double the price of the Mechatron.

The spindle won't be used in a production environment as such.

This is something that I'm only ever going to buy once, so I want to get it right.

Maho MH700S - Move tool axis (Z in G17) with X?

April 13, 2016, 5:02 am

≫ Next: Help getting started with Vacuum Chucking/workholding

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Hi everyone, I'm having some trouble figuring out how to move my X-axis with my Z-axis (tool axis in G17) ...

My job is to get.. Ehm ... One of these guys made:
___
(___)

Length: 6 MM
With: 3 MM
Corner Radius: R1,5

I have to make it with a 3 MM milling tool, my thought was that I could do something like this:

G17 T23 M6
G1 X-3 K-1
X 3 K-2(BUT THIS DOESN'T WORK ...)

And I can't move my tool axis with X or Y, it'll move the tool axis first ... How to move X in a linear pattern, AND Z at the same time? :cryin:

Thanks in advance

Help getting started with Vacuum Chucking/workholding

April 13, 2016, 6:44 am

≫ Next: Nikken 1985 CNC-200 rotary table

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I'm looking for basic information on how to utilize Vacuum chucking/workholding. We had someone here with alot of experience, but that never got passed on and he has moved on. It has now fallen on me to learn this, and I'm totally green in this area. We have alot of the equipment, pump, fittings, various o-ring stocks. I just need some good resources on how these work, best methods/practices, etc.

Any help would be appreciated!

Nikken 1985 CNC-200 rotary table

April 13, 2016, 7:32 am

≫ Next: need help deciding Haas, Milltronics, Akira-seiki

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Does anybody know something about the Nikken CNC-200 Rotary table, a really OLD one made in 1985.



Is it as durable as the modern ones.
Does it have a Carbide worm gear as the newest ones.

I want to buy one in a mint condition and it cost twice compared to the similar age Troyke and Tsudakoma tables.

I will use my own Servo motor (FANUC Bis4/4000) the same as a new nikken install into new CNCZ-202 table.

Please give an advice, is that table worth it's money (approx 4000 usd)

need help deciding Haas, Milltronics, Akira-seiki

April 13, 2016, 3:27 pm

≫ Next: My Fadal has gone crazy

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OK Guys I need your help. I am at the point that I need to replace my old 1995 Cincinnati Arrow 500 and am trying to figure out which machine to seriously look at. 99% or our work is aluminum with some lite steel work. I make training knives and some live blades in our current CNC. I want to get something that I can get parts and service for in the Denver/Front Range Colorado area. We have a Haas Factory outlet as well as dealers for Milltronics, Akira -Seiki , Mazak and such. I am wanting to get into a newer machine, possibly brand new. But when I talk to the dealers they all say that theirs is the best. My budget will be tightly stretched to go for the Mazak. I hope to get 30x16 or better yet 40x20 travels. Haas charges for everything as an add on, the others include things like rigid tapping as standard . What I need to know is how these machines compare to each other. I would like operators or owners that have these machines to chime in since you have real time experience. I do not want to get into a flame war over where a machine comes from. I just want rubber meets the road comparisons if at all possible. Any other machine choices that may be out there in the same price range are welcome. Please let me know what you think.
Steve owner of Keen Edge Knives

My Fadal has gone crazy

April 13, 2016, 5:08 pm

≫ Next: tips on setting holding +- .00025 Boring Head in vmc production job

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So all of the sudden yesterday the spindle on my VMC15 starts stopping and starting and stuttering. I shut it down for the day to give it time to think about what it's done. Today I fire it up and this is going on in the CPU cabinet.



The light on the spindle drive is also jiggling in the same way. I can jog the axes around for a while or start the spindle, but once the control figures out things are awry it shuts down with an X Y or Z axis error. I can reset it and jog around again for a few seconds and then it shuts down. Since all the axes and the spindle are all doing the same thing I don't think it's an axis controller or card.

Has anyone experienced this craziness? Any help is greatly appreciated.

tips on setting holding +- .00025 Boring Head in vmc production job

April 13, 2016, 5:53 pm

≫ Next: Valenite Drill Val-U-dex

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Will interpolate to within couple thou per side. Al 7050, bore .5 deep and .6564 +-.00025. 12parts, Haas VF3. I know, I know: good luck. Last time we honed the last couple thou. I got them all withing 2tenths of the bottom side. Tomorrow I should have a good indexable boring head, bore guage, setting ring of nominal size. Of course I have used them many times on a bridgeport for one-three parts, but not like this. Thinking about interpolating in a dumby part and setting the head first. Any tips on setting? Thanks, steve a.

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Valenite Drill Val-U-dex

April 13, 2016, 5:58 pm

≫ Next: More z than x in do turn cycle. Problem ?

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I have an old Valenite Val-U-Dex drill #VCDD-150-125-091-2. Lock-A-Dex. It's a 1.5 dia with a 1.25 shank. I got it used with a bag of un-identified inserts. I've used them up and need more. It uses .500 ic inserts. One round and one square. I bought some SNMM 432-1k-VC2 inserts but the hole in the insert is too big and one sided. Mine uses 2 sided inserts. I need the correct number for these inserts so I can accurately search. Thanks

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More z than x in do turn cycle. Problem ?

April 13, 2016, 8:12 pm

≫ Next: WASINO LATHE CRASH fanuc 10t

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Hi guys.

Ok I have a job to do. It's gonna be tricky.
I have to machine a helix using a 2 axis cnc lathe.
Someone suggested to me to create it by making many many threading cuts.

So here is how I'm gonna do it.

Take 1/2 inch round insert for OD tool.
Then take single pass threading cycles. That are slightly shifted in z and x and basicly create this shape.
I understand it's gonna be a lot of programming.

But here is the problem I see.
The diameter of the material is 1.0 inch.
The lead is 1.181.

So in one rotation of the part, the insert will travel 3.141 inches rotationally while raving 1.181 in z axis.

It's almost like I will be pushing the insert forward through the material. But the chip breaking is on the side of the insert. Not the front.

The angle that the material will intersect with the insert is usually close to perfectly side on. But in this program it will be coming at about 30 degrees from side on.

It's hard to describe it. But if you understand what I'm saying, do you think this will be ok? Or will I just explode my insert?

Also if it would help, should I put the insert in an ID tool and install it into the OD tool holder so that I can angle the insert to 30 degrees?

I hope I'm explaining this right.

Thanks

WASINO LATHE CRASH fanuc 10t

April 14, 2016, 4:39 am

≫ Next: Fanuc Robodrill 31i - Default as main program

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Hello all I have crashed my machine pretty good and i need help finding the problem,
i replaced the shear pin and reset the keeper realay, Now in the position screen i have four values (relative) (absolute) (machine) and (dist to go) the lathe will not operate because the relative values stay at Zero the others will read as it traverses can anyone HELP! Thanks

Fanuc Robodrill 31i - Default as main program

April 14, 2016, 5:28 am

≫ Next: 17-4 H900....Does it really cut that nice?

≪ Previous: WASINO LATHE CRASH fanuc 10t

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I have a new D21MiA5 with a 31i. I also have an older T series with a 31i and 2 robomates with O series controls. On the older machines the programs I send over with RS232 are immediatly ready to run(they are the main program). On the new one, the program I send over is not the "main program", I need to find the program and set it as the main program before running.

Is this how the new Robodrills are now? Or does anyone know of a parameter I can change?

Thank you.

17-4 H900....Does it really cut that nice?

April 14, 2016, 7:10 am

≫ Next: Feed enable DMG ctx 310 eco

≪ Previous: Fanuc Robodrill 31i - Default as main program

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Posted in the General section too...................

It's been quite a while since running the stuff, but I know 17-4 annealed machines like crap. H1150 is nice. But in condition H900(min 40RC), how does it compare to H1150 or 4140HT? I need to OD thread, OD groove, drill, bore, and part off. Feeds n speeds? Inserts? Or can I run with what I got? TIA

Feed enable DMG ctx 310 eco

April 14, 2016, 7:23 am

≫ Next: How Does Taper Offset Work w Fanuc I Series Control Lathe

≪ Previous: 17-4 H900....Does it really cut that nice?

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Hi all,
Can somebody tell me how to enable feed and spin on Sin840 sl controller for DMG ctx 310
Please see pictures attached, there is no soft key for Feed nor spin enable

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How Does Taper Offset Work w Fanuc I Series Control Lathe

April 14, 2016, 7:36 am

≫ Next: Anilam 300M

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Our Doosan lathes have a T value in the offset that can be set. I believe this is for turning a taper. How does this work? Does anyone know? I have a job coming that I may want to use it? Thanks

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Anilam 300M

April 14, 2016, 7:59 am

≫ Next: sinumerik 802c availability (to retrofit Boley bdn160r )

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Hi
We recently bought a Semco mill with an Anilam 3000M controller. We have got it working but really need someone to give us some tips and tricks on our site.
We are based in the UK Is anyone in the UK familiar with the control and willing to come and give us some pointers. We would obviously be willing to pay for the service.
Thanks
Adam

sinumerik 802c availability (to retrofit Boley bdn160r )

April 14, 2016, 1:09 pm

≫ Next: Please help need fast chip removal tooling for Alum.

≪ Previous: Anilam 300M

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Hi guys
As per title I recently aquired this lathe a Boley bdn160r with siemens system 3 yom 1986 because it was cheap, and it was cheap because it has stood idle for over a year and lost its parameters which I've got, but I started thinking instead of messing about trying to get it back up and running , would there be a newer version or upgraded control available? A Google search looks like the sinumerik 802c might just be exactly what I'm looking for! and the easiest option. But typically just my luck siemens stopped producing them. My questions are what's the chances of finding one? perhaps there's one sat on a shelf somewhere..a genuine siemens unit I mean, it looks like I can buy buy one from China, but would they be of equal quality or a knock off copy. Should I find one how difficult of a job should it be? I'm hoping straight forward as the existing drives and motor's would stay.
This lathe would not be for making money just looking for a decent capable cnc lathe for my home workshop.
I would be interested in your thoughts and idea's
Thanks
KB

Please help need fast chip removal tooling for Alum.

April 15, 2016, 9:50 am

≫ Next: Trouble with MyCenter Kitamura 4Xid ETHERNET!

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Hey guys I'm looking for suggestions on chip removal on this 6061 job.


Part shape after roughing



Machine I'm working with is a Haas VF4ss CAT40 12k spindle with thru coolant. I usually like to use my Mari 50mm insert mill for roughting, but it doesn't have the length needed. Should I buy a new tool holder with a longer gage length? Love this tool cause it can rough stuff out very quickly. Usually .200 DOC, 200 IPM 8000 RPM. On this job I need cut depth of -3.175

Currently trying to use a YG 3 flute roughing endmill to rough, but its slow. Tried there 50% step over with there feeds and speeds. Terrible chatter at there suggested 1.5x D and I am even using a stubby holder with min gage length for rigidity. Mari 1" tool holder I had to knock it down to -1.5 DOC with 20% steep over 2D high speed tool path 17IPM @ 2500RPM. About a 10min toolpath.

I am open to ANY suggestions, whether it be feeds and speeds for the endmill or new tooling. Need to save some time on this part!

Thanks for any help!

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Trouble with MyCenter Kitamura 4Xid ETHERNET!

April 15, 2016, 10:25 am

≫ Next: Concentricity

≪ Previous: Please help need fast chip removal tooling for Alum.

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It seems that all the service guys are stumped... This machine has the Arumatik-jr Control, they can't seem to get the communications setup on the machine. We use Filezilla and have not had any issues in the past with hooking machines up. Is there anything special we are missing, any info greatly appreciated. I believe the control is the Mitsubishi M700V (You do see a quick flash of WINDOWS) so my guess is this control is a windows based control but according to Kitamura there is no way to access the Windows side of it.


Thanks

Concentricity

April 15, 2016, 1:05 pm

≫ Next: Finished our new shop..

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Horizontal machining centers. How do u guys go about insuring that your bores are concentric once u rotate your pallet to bore your second/ opposite bore. ?


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