Newbie- torc-cut 22

[cncbpt]

I found this site while looking for answers to a problem with a torc-cut 22
I had to replace my hard drive so I upgraded the software to the newest version for my machine.
I think it is 4.69.
My problem is I must of deleted my bmdcprms file by mistake.
I read in older posts here that the machine would create a new one when loading the software but I would rather not have to start all over.
Would anyone here have a copy they could pm to me?
I had so much trouble getting the system reloaded I just hate to start again.
If someone would have a copy I would surely appreciate it
Thanks in advance

[machintek]

The BMDCPRMS.sys file is matched to the software so you need a specific file or it will come up as incompatible.
BUT! This file has to reflect specifics of your machine. Do you have a Parvex Z motor? Gearbox? What spindle speeds? backlash? Tool change height? Orient? ETC!!

George

[cncbpt]

Thanks for your response.
I did alot of searching and reading since my post and triied something someone else had had success with.
I was able to copy my old harddrive contents and save it to a file.
When I open the folder everything appears to be there including the bmdcprm
file.
From what you are saying I see I cant use it with the new version of software I have.
My thought is to load the harddrive fresh with dos 6.0 then copy the old files to the new drive and run makedisk and let it make me a disk to reload my old software.
Then I could reformat the harddrive,instal dos 6.0 again so all is fresh than use the disk I create with makedisk to reload the old version of software.
Does this approach make sense or am I looking at this all wrong?
Another thought is before I run makedisk is to defrag the old version and scan for errors .
Thank You Machintek for your help
Going back through other posts this seems to be a common problem for others

To answer your question it has the parvex z motor,gearbox,6000 rpm,there was a setup sheet from the installer that has tool change height and backlash,
that is all I know other than its not a c.i.b,(see I have been reading)

[machintek]

Rename the old file a BMDCPRMS.old. Then you can compare the 2 in the maintenance page and make notes as to which you need to change.
The orient and TC height may not be valid as these change quite often, especially after a crash. But they are easily set under the tool changer menu. the password is PASSWORD.
Congratulations on learning how to search this forum. There is a wealth of knowledge here.
I recommend investment in a SSD/DOM (disk on a module). Fdisk it to 504MB (if necessary), make it a active DOS partition, load DOS, load machine software, let it create a parameter file, edit the parameter file.

George

[cncbpt]

Thanks George,
I did buy a dom but could not get my bios to recognize it.
I triied different settings from none to #47(user defined)
If I start over and load the new version again it will ask me about the parvex motor and rpm plus a couple other things and create a bmdcprm file for me.
What will I need to edit and how will I know what settings it takes.
I understand these two files are completely different so I am not sure how to know what is correct.
Thats why I hoped I could just go back to my other version somehow because I have all correct settings
I read where servo gains are different from older versions plus other parameters.
Just confused as which route to go.
Thanks again George

[cncbpt]

Ok George I formatted my harddrive and started over.
I let the pc generate a new bmdcprm file after answering the question such as parvex -tc22-rpms and whatever it asked for on the install.
I now can boot the machine up and all looks good.
The bmdc loads and system comes up to where I can enable the axis.
When I reset the drives my z axis wants to drop.
I had to press the estop to get it to stop.
It would fault with z axis drive overcurrent
Back to reading old posts for a couple hours and decided to swap the z drive and x drive.
When I booted again the z axis raised about a foot and faulted out again.
Reset it again and z axis went on up to top and faulted out again.
Back to reading again.
I went back to the machine and this time it booted,reset the drives and the tool carosual started to home,I thought I had it but then the z axis started feeding down,not dropping than faulted out with z axis drive overcurrent.
I am afraid to try anything else till i get some input,
I couldnt find out but will this drive fault out when trying to run the parvex motor?
One other thing I tried to jog z and y before the drive faulted out and both axis took off-x to the positive side and y back to the neg side.
Not at the same time just when I jogged each axis.
I just purchased this machine and the previous owner said it had boot problems but didnt say anything else was wrong.
Could this all be related to the new software just being not configured right?
Thank you George for your time on this
Did you work for bridgeport?
I may be in over my head here.
I half understand the pc and dos side but am a machinist by trade not a machine repair person.

[nate 123]

I recently purchased a 1996 tc,22 ,which everything seems to be alright with it but today
when i booted up the machine the tool carousel kept rotating even after the machine homed out and I cant get it to stop rotating. I checked to see if the prox switch was stuck
but it doesnt seem to be, does anyone have some good advice for a quick fix?

[machintek]

There is a LCTLAUF board in the back of the machine. It has 9 (or so) solid state relays on it black in color about 2 inches long, 1/4 inch wide, and about 1 inch high. One of these is shorted. Remove the board, turn it upside down, and measure the resistance of the two output pins. There are 2 signal pins too but smaller. Most will read about 4 mega ohms across the two output pins. The defective one will be a lot less. I use a soldering iron and solder sucker to get it out. Google it for a replacement. Get more than one.

George

[peterled]

hi, boys.
i have a machine torq-cut 22 and need your help, i lost any diagrams electric, the lost pages is 1 to 4, could you help me to find this drawings, thanks in advances

[tpmx57]

I should have them
I will look in the morning and if i do can photo copy them u and email them to you

[machintek]

Good Lord how many times will this be hijacked.
To: CNCBPT. The parvex motor is bigger to support the weight of the Z axis. Earlier TC22 machines were supposed to be retrofitted with this motor if the dealer cared. This also required a higher current drive board. Parameters are set accordingly.
If axis run away, that typically means the loss of the position loop. You need your schematics and a meter. First, without turning the drives on, go to the maintenance page. on the right side is a table of axis position and position error, etc. Move either the X or Y by turning the ball screw by hand and see if it counts 9you may have to remove a guard). If not check for 5VDC on the tantalum capacitor in one corner of the AXSBOB board. Unplug the encoders one at a time and see if the 5VDC comes back. If not find L1 on the BMDC board. It is probably cooked. The 5 VDC to the encoders goes through this device. If a encoder shorts or encoder cable shorts it usually takes this device out (goes open). So now you can repair the BMDC or exchange (you do not want to know how much), OR: Buy a fuse holder and some wire. Take the 5 VDC from the logic power supply run it through the fuse holder (I put in a 5 amp fuse) and solder the wire to the + lead of that tantalum capacitor I mentioned on the AXSBOB board. But you still have to see why you have a problem. Before running that wire or pull the fuse, make sure the machine is off and put the meter on OHMS. Check resistance from the + terminal on the AXSBOB to ground. If the resistance is low, pull each encoder to see where your issue may be. Remember Ohms law E=I x R.

George

[cncbpt]

Ok George thank you.
I checked the y axis in the maint page while turning the screw and it did not show movement.
I then checked C6 on the axbob and do not have 5 volts on the + side to grnd.
I see pin 6 should be the 5v output to each axis (jp2-jp3-jp4)
I have a copy of the field encoder test to trace a cable or encoder problem.
That I will look at next.
Can the bmdc be repaired as far as replacing L1?
It looks to be surface mounted but what part to be purchasing would have to be determined.
Would propably go the wire and fuse holder route.
Thank you very much.
Was thinking my z axis drive was bad.
It threw me when I swapped drives and z would then move but fault out.