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Conversational Programming for Bridgeport Romi PowerPath 15

October 10, 2018, 10:18 am
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Stumbling my way forward with my Bridgeport PowerPath lathe, I've made it to where I can start programming the thing using the built in MDI/Conversational. I programmed my first part, hit save/run, and into the run environment we go. Hit go, and G-Word unknown error, g38 unknown pops up. In the conversational, I used "Set CSS" to set the surface speed for the program. G38 is the max RPM, G37 (also "unknown" to the the control) is the SFM. The spindle turns at an RPM equal to the selected SFM. When I was hand-feeding it G-Code, I used G96 to put it into CSS mode, G97 to take it out, and those worked. Now that I'm attempting to use the conversational, I've got errors everywhere. The roughing cycle as built through MDI doesn't seem to work, but when I just select roughing and input the parameters, it zooms away.

Can anyone shed some light on what I need to do so the control understands... itself?

Thank you
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Fanuc 18itb - Erratic Encoder Values

October 10, 2018, 2:15 pm
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I have a 2006 Hyundai-Kia SKT210SY with a Fanuc 18i-tb control..which has been a great machine.

Lately it has been acting up and freezing due to encoder readings being out of range.

The machine has encoder readings swinging all over the place and causing the programs to freeze.

Here is a video of exactly what its doing. We jog the C axis and the readings bounce like an email from 2002.


Hyundai Kia SKT21SY - Fanuc Encoder Issue - YouTube


Has anyone had this issue on a Fanuc machine?

-Geoff
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acroloc problem

October 10, 2018, 7:00 pm
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hello guys i just had this machine given to me and the first time i ran it there was no problems the next day i went to turn it on and i get a emergency stop alarm it has a siemens control on it

any ideas
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Rotary 4th axis home position problem

October 11, 2018, 12:34 am
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Hello everyone.

Im having an issue with our 4th axis rotary table. Everytime i power off the machine then turn it on again the home position of the rotary table changes by about +|- 2 deg.

The machine is a DOOSAN 5700 mill With fanuc oi control

The actual rotary table is from TJR .

I tried adjusting the zero position stop (the one that works with the proximity switch )

Did not solve issue.

Im hoping someone whos had the same issue can enlighten me with this.
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Mold Cutting Dura Bar- ASTM A536 65-45-12

October 10, 2018, 1:06 pm
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Hey everybody. First time poster here,

I'm currently cutting a core-box out of Dura Bar- ASTM A536 65-45-12. We're an old school pattern shop that up until this passed January didn't do any metal tooling. I've pretty much had to build up a tool and die side to the existing woodworking patternshop side, but it's come with a bit of a learning curve.

I've made a few coreboxes so far from the same material, but I still don't feel truly confident in cutting the stuff. I've referenced the Durabar machining guide for establishing some baselines for feeds and speeds and it seems to work ok with particular tools, but with other solid carbide cutters it's temperamental and chattery. For instance, I had been using a dull and aluminum-gummed 1/2" carbide cutter for a lot of the roughing (all I had on hand for testing and then rolled with it), simply because the majority of the tooling in our shop is for aluminum, and I had little chatter and little issue. Today, I picked up some fresh YG 1/2" carbide cutters that are razor sharp and I'm getting more chatter than ever before. Flute profile and lengths are all identical, so I'm a bit confused.

I'm cutting well within the recommended settings, 400sfm, 0.012ipr(0.002ipt) but for some reason, with all the same axial and radial engagement I'm getting a screaming tool. Is there maybe a solid carbide cutter out there that is better suited to the task? We do a fair bit of work with the material so I'm not opposed to making a switch. As far as insert tooling goes, I read in another forum that Iscar makes inserts specifically for the stuff and I've already got a few Iscar toolbodies that might be compatible with said inserts.

I'm not a machinist by any means, actually a technologist who now does CNC programming and pattern design, so I've got a lot to learn about the ins and outs of machining. Things like coolant upkeep when working with Durabar and switching back and forth with cutting aluminum is another headache. I've been looking at various coolant upkeep items like oil skimmers and coalescers, as well as magnets to keep my coolant clean.I'm interested in the coalescer as it seems to do more to circulate the coolant as opposed to just skim off the top.

Any and all advice on these matters would be hugely appreciated. Also if anyone would like some pictures of the task at hand to get a better idea of scale etc. I'd be happy to post some.

Ray
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okuma lb15 HELP! alarm 110 sdu 1

October 10, 2018, 4:47 pm
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Ok so i have a lb15 okuma lathe,whenever i give a spindle command the spindle starts to turn then stops and alarms out giving alarm 110 sdu 1, so i have 3 of these lb15's in the shop so i have checked fuses in the drive unit all are good so i swaped drives with a working machine the other machine worked fine while this one still gives same alarm so i changed spindle motors and still yet same alarm i have good voltage at the sdu at 230V and goo voltage at spindle motor fan and it is working i am lost..
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Tree VMC dynapath 40 controller E-stop constantly tripping

October 11, 2018, 8:56 am
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A month ago we replaced the motherboard for the computer side of the mill, got that back up and running. Two days ago the e-stop tripped without touching the button, this was when it was sitting for for a couple hours. Same thing yesterday. Now today, at 11 am eastern, the e-stop tripped. I powered down the machine, and restarted. The machine couldn't finish a reference return 3 times. The 4th time I got it to reference all the axis and tool magazine, then the e-stop tripped. A coworker thought it could be due to the power supply cable vibrating loose, so a wedge was installed yesterday, but I think today with all the trips of the e-stop that proves that idea wrong. I am better at running the machine and am not a maintenance tech, I can stumble my way through some of the basics, but figuring out this issue is above my head. Has anyone else run into this problem with the dynapath 40 controller? Any ideas would be helpful, since finding information on the "dynasaur" is all but impossible. The only thing I was able to find was watchdog timer issue, but until the e-stop trips, I still have 100% control over the machine. Maybe a short or broken wire in the e-stop circuit?
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Mist collector question.

October 11, 2018, 11:29 am
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Going to get two mist collectors for Okuma genos L-250. Looking at mistaway MA-700. Anyone that has one of these let me know how you like it. But my question is reason we are getting them is lately the light has been just right to see all the mist coming out of the machine , out the back around the chip conveyor. It's a lot and explains a lot. Surprised I never took it more serious before. But with the collector mounted on top of the machine do you have to "plug up holes. Like around the chip conveyor or will the collector catch it and stop the venting out the back. And anyone with a recommendation for a small lathe especially the genos L-250 please chime in. Should add we turn copper and steel using coolant. Lot of close work to the three jaw chuck which really beats the coolant.
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Fadal RS232 Troubleshooting

October 11, 2018, 6:27 pm
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I appreciate any insight I can get on a problem I'm having with my Fadal. Thank you in advance.

  1. Replaced memory backup battery (on my 1400-4 board) because the memory was corrupted after the machine being off for about a month.
  2. After replacing the battery, the previously working RS-232 connection to upload programs stopped working. I use FadalNC. For a long time with FadalNC, the auto baudrate detection hasn't worked. Now, the upload doesn't work at all.
  3. I did the loopback test with my loopback connector and by shorting pins 2 and 3. (See video here: Fadal failing RS232 Loopback test? - YouTube) My interpretation of the loopback test is that it has failed. Maybe I'm not doing it correctly. Another possibility is that I did the test correctly but I'm interpreting it wrong and the real problem lies between the machine and FadalNC.
  4. I sent my 1030-1b board to a ITS-CNC. They said they tested it and did not find a problem. They recommended checking the power supplies +12V, 5V, and -12V rails. I did and they were within a few percent of nominal. They recommended I send my 1400-4 and 1040-2A boards in so that they could test all three together. I sent those in, along with the cable that goes from the 1030-1B to the side of the control box (RS-485? connector is included in that cable).
  5. They tested the boards and said that they didn't work at first, but after cleaning some contacts, they worked just fine. They recommended cleaning contacts and trying again. I cleaned the contacts of the boards and the slots on the Fadal with contact cleaner to no avail. Nothing has changed with the loopback test and I still can't upload a program.
  6. Pleading for guidance on PM.


I'm not sure what to try next, but here are the things I'm considering:
  • Bust out my USB logic analyzer and see if I can see the signals coming from the laptop and look at the loop back signal.
  • Possibly replace the transceiver chip with a socket and a new transceiver chip.


What am I missing here? I appreciate any help I can get.

Thanks,
Matt
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cnc lathe & mill jobs needed

October 11, 2018, 4:55 pm
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Hello
looking for shop on East coast to
1. cut/grind 1.125 x 13 inches steel shafts with 2 standard threads and 4 keyways.
2. cnc lathe/mill to cut 6 inch aluminum 6061 tubing less than
8 inches by 8 inches
3. other small aluminum parts.

Ongoing quantity 20-50 at a run
heide ron@double-alt.com
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Searching for Devlieg 4K-72 Electrical Schematics

October 12, 2018, 4:40 am
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I am looking for electrical schematics for our old Devlieg 4K-72 machine. I am specifically looking for the control/ operator panel drawings. We removed the operator panel to replace some broken Allen Bradley push buttons and a few of the wires slipped off of the tabs. Now one of the switches isn't functioning properly. Any information is much appreciated.

Thanks,
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Tool Presetter results automatic transfer

October 12, 2018, 8:22 am
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Hello all,
Im looking for a little insight or even some "get reals" on Tool presetter conundrum.


NUTS AND BOLTS:

-We have an "offline" tool presetter. Labels are printed out with tooling information and then the machinist enters that info into control at machine.
-All of the machines are connected to a company network
-I do not know make or model of presetter (:rolleyes5:) Guess question is more conceptual in nature....

QUESTION:
Without purchasing a different tool presetter, is there any possibility of extracting that data and exporting it directly via network to machine. Or using a usb or whatever medium.

I thought about using a macro program or a G10 program to alter tool offset values. I can probably figure out how to write that. HOWEVER, the whole goal is to not have to type the presetter tool information at all. Fat fingers ya know?...

I dont want to overload the post but thats basically brass tax of the situation. Any help or thoughts on subject would be appreciated.

Thanks
SML
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Replace Coolant Tank/Chip Conveyor HMC

October 12, 2018, 9:09 am
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I have a Mori Seiki SH-403 HMC that's configured with TSC. The coolant tank and chip conveyor are unusable (it's a long story- don't ask).
The point is, the machine itself has a lot of good years left in it and I'd like to get it up and going.
Does anyone know of any resources for me to either find a used set-up or someone that can fabricate a coolant tank for this?
I've looked in the usual places- eBay and auction sites. I haven't come across anyone who is parting out an old machine.
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Fanuc 15mb w/ alpha drives - W axis overcurrent (8) questions

October 12, 2018, 12:30 pm
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I don't think many of you will be able to put much input into this, but hopefully someone's had the same issue and can point to, or confirm, a reason for this alarm.



Kitamura h400 apc 1998 (fanuc 15mb) with alpha drives

Getting an 8 alarm on the drive randomly, with SV003 "W abnormal current in servo" and SV013 "W Improper v_ready off"

For those not familiar with the machine, the W axis controls the pallet change arm. It pushes/pulls pallets in and out (pallet stations are side by side)



Some quick backstory that might be useful:

Bought it used locally for cheap. They fought this issue. They replaced the drive, motor, and encoder cable in 2015, but that did not solve the issue (I can see it in alarm history)

Eventually they got fed up, it looks like it sat a year before they decided to sell it.



Now, we have also replaced the drive with a refurb off ebay, with no difference in when it happens. It is randomly. Occasionally happens during a pallet change, but I would say 70% of the time it happens with the drive in question not doing anything... Today, it happened while drilling a small hole.

It has not happened in weeks previous to now, we thought we fixed it, but it just came back a few minutes ago. When we were having issues with it before, it might happen once or twice a day, or might go a couple days without issue.


Motor maggers good.


Now here are my question(s)


I personally am suspecting the ADAX board and/or the axis card on that board (W is the 5th axis and it needed a 5/6 card). I suspect it because sometimes when this happens, if I touch some of the little honda cables coming out of the ADAX board, it will throw that alarm. Sometimes. If it doesn't full on alarm out with an overcurrent, I might hear the motor thump out there. But it is not 100%. I did it just a bit ago, Swear I heard it thump when touching the encoder cable, but could not get it to do it again after screwing with it some more.


Could that board be the culprit? When looking at the troubleshooting page in the servo manual, I have done everything but check waveform (it says to plug a check board A06B-6071-K290 which I don't have into JX5 to check waveform). The last toubleshooting information it has after checking waveform is this:

"(6) If still there is noise, a probable cause is a defective commandcable or a hardware failure in the CNC."

... Which brings me back to this ADAX board.

*OR* could it be the main CPU board?





Anyone ever see this? I have the machine running right now, it isn't alarming and it might not alarm the rest of the day, or week, or whatever. My boss is considering buying the board next time it happens.
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Surface milling feeds and speeds

October 12, 2018, 3:04 pm
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Greetings everyone, In work i'm using a facemill with Odmt 060508 inserts (yg1) the tool have 5 inserts and its 63mm OD. I'm looking for some pointers on cutting parameters. I cant get 'good looking' surface finish with thing . I have tried various ap 0.5-3mm ae up to 50mm and vc 120-180mm/min . Materials are mostly like 4140 , 1045 and some plain construction steels like european s235. I have attached some photos , mostly I can get something like this. Or maybe those inserts are for roughing only ? I tried to contact salesman but no luck right now. Machine is vmc with bt40 taper Hitachi seiki.
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Please Help Okuma 5000L Alarm 952 Green Screen Model

October 12, 2018, 4:12 pm
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I have a 952 Alarm in my Okuma LC40M Running hours over. this machine does not appear to have the Parameter pages where you set and change the NC Hour Meter settings for NC Run Time. The 5000L-G model does but that is not helping us.
Could this alarm be related to the Schedule Option which one of my employees was trying to make work for a particular job.
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Newbie Work Offset Problem

October 12, 2018, 7:44 pm
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Machine: 2008 Sharp SV-2412
Control: Fanuc Oi Mate-MC
I'm trying to post this program and I can't tell if its something in my code or something set incorrectly on the machine. My design/program is metric and the machine should be metric, but I purchased this machine second hand with little information, so for all I know there could be a parameter wrong somewhere.

Machine position is X -377mm when I set G54 work offset X -377mm

I load the program, press cycle start and the table rapids negative in X until I get overtravel alarm.

If I set the G54 X-100mm the program runs roughly over the center of the table.

Additionally, the Z offset is set to zero, but it's closer to the tool change height (the tool offsets are only like 17mm for example), not the machine zero. When I'm at zero return home position, my absolute position is something like -700mm (The table is 700mm wide)

From what I understand, this machine will display a metric position in the position screen even if the parameters were changed to inch.

I think there could also be a problem with the code:
%
O1001 (FIRST TEST)
(T1 D=12.7 CR=0. - ZMIN=-26.6 - FLAT END MILL)
(T2 D=3.175 CR=0. - ZMIN=-26.6 - FLAT END MILL)
(T3 D=1.587 CR=0. - ZMIN=-18.4 - FLAT END MILL)
(T4 D=4.039 CR=0. TAPER=118DEG - ZMIN=-27.813 - DRILL)
G90 G94 G17 G49 G40 G80
G21
G28 G91 Z0.
G90

(ROUGH 12 END MILL)
T1 M06
T2
S6112 M03
G54
M08
G00 X-1.246 Y-78.023
G43 Z15. H01
G00 Z5.
Z-6.56
G01 Z-7.83 F1524.
X-1.244 Y-78.015 Z-7.972
X-1.238 Y-77.992 Z-8.113
X-1.228 Y-77.954 Z-8.249
X-1.215 Y-77.901 Z-8.381
X-1.198 Y-77.834 Z-8.506
X-1.177 Y-77.754 Z-8.622
X-1.154 Y-77.662 Z-8.728
X-1.127 Y-77.56 Z-8.823
X-1.098 Y-77.447 Z-8.905
X-1.068 Y-77.326 Z-8.974
X-1.035 Y-77.199 Z-9.029
X-1.001 Y-77.066 Z-9.068
X-0.966 Y-76.93 Z-9.092
X-0.931 Y-76.792 Z-9.1
....
....
....
...
..
.

Hoping this is something no-brainer I'm missing.

Thanks
-Max
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KIA Lathe hangs at tool change

October 12, 2018, 8:20 pm
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Kia Waiting for Fin Signal - YouTube

Video describing the issue above^

I can change tools just fine in jog mode, and it will physically complete a tool change in MDI or in MEM when called by a program, however it just hangs after a T101M6 or similar. Everything else runs fine, and if I do the tool change manually it will run the program. ~I also can't activate my live tooling as far as I can tell~ EDIT: Turns out I just needed to enable the C axis to do that, disregard. Still learning about this machine. Regardless, still having toolchange hang issues.

On the diagnostics screen it shows "000 Waiting for FIN Signal" when it hangs, and on the MDI or program screen I get MDI STRT....FIN or MEM STRT...FIN. I'm digging in the ladder to see if I can figure out what triggers the FIN after a tool change completes and see if maybe there's a switch sticking but not generating an alarm or something.

Let me know if you've got some idea where I should start looking. Thanks!
Nick

EDIT #2: I put the T# and M6 on different lines. It processes the T# just fine, but never completes the M6.
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Touch probe issues

October 13, 2018, 12:22 am
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Hi all

I’ve got a little conundrum. I’m trying to set a probe to set the my work position correctly on my Arduino gbrl cnc.

G38.2 Z-40 F60;
G92 Z5.80;
G91;
G0 Z5;
M30

G38.2 X-50 F60;
G92 X3.175;
G91;
G0 X10;
M30

G38.2 Y50 F60;
G92 Y3.175;
G91;
G0 Y10;
M30
These are the macros I’ve set up in universal GCode sender, both the y axis and z axis work perfectly, but when I initiate the x axis, it attempts to move but instead instantly executes the G0 X10 retract command.

Has anyone else had this issue or is it just me. Can anyone help me out with this?
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G83 drilling cycle on tnc426 Heidenhain

October 13, 2018, 1:02 am
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Please check jpeg facing problem to do this type on drilling with G83 drilling cycle..z axis not going to clearance plan to avoid accident please advise..

Regards
Asif
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