i have a bridgeport interact 4 and the spindle won't turn on. everything else works when we sent a "m03" or "m04" command. we replaced the mt-1 board.. anyone heard of this problem and what to do?
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i have a bridgeport interact 4 and the spindle won't turn on. everything else works when we sent a "m03" or "m04" command. we replaced the mt-1 board.. anyone heard of this problem and what to do?
Since you have a MTI-1 board you must have a KTK spindle drive. It will display errors by use of leds on the main board. There is no support or parts for these spindle drives from the manufacturer. If it is bad, you need to get a Mentor replacement drive from EMI.
George
Does anyone know the spec of the spindle motor in the interact 4? Specifically the field and main voltages ?
I have two of these machines of which one runs and the other does not. The one that doesn't run was purchased on Ebay and the seller said it ran. He lied! The Heidenhain 2500 gives me a spindle drive fault when I try to execute an M03 or M04. The MT1 board on this machine I believe has been "fried". There is one open diode (D4) and the transformer shows signs of being hot. I found some people in England that supply new remodeled MT1 boards for about $1000. They are [email protected]. They told me the voltage at terminals 30 & 33 should be 415Vac. I had 413 at those terminals. They also said there should be about 100 ohms resistance across the motor field.I measured mine and only found 26 ohms(wires 217 & 218) . I also measured the resistance on my machine that runs and got the same 26 ohms. It looks like I'm in the same situation that you are. I'm afraid to take my MT1 board out of my good machine and try it. If it fries I will have two machines that don't run. Let me know what happens. I really don't want to sink a whole bunch of money into this machine.
Gentlemen, give me your email addresses. I can find and forward to you the Bridgeport KTK spindle drive maintenance class notes in PDF. It may answer a lot of questions.
George
The forum members with Bridgeport Mills are extremly lucky to have Professionals like Machintek ( and others ) who freely give their time and knowledge to help !..In fact the knowledge and Professionalism shown by members like NC Cams ( need the right bearing and application ? Just ask !), Al The Man ( wow! what a mind ) the Widgitmaster ( where do you get your energy !) Lakeside ( no doubt this man has spent lots and lots of hours in front of a mill and lathe ),JerryFlyGuy ( what a designer),Ken Shea, Vince Pstocky, Dame ,our Irish friend,diarmaid, that Englishman and gentleman, Hood ,our very special Aussie friends ( who I spent lots of time with in SE Asia a long time ago )! and a lot of people just to numerous to mention who take their time,energy and knowledge to answer and help ....from me and I'm sure , a lot of other CNC addicts, we thank you for your time, energy and professional knowledge.
Adobe Machine (old as dirt)
Thanks George, Any info you have on the KTK spindle drive would be greatly appreciated. I checked the Mentor web site and found too much information . Do happen to know what drive they have would replace the KTK? Is it an easy conversion? Thanks Dan
Dan, I found those notes, it is about 6 MB in length but it includes the KTK manual. Need an Email address.
George
George, got your email today. Many thanks!
Hi George , Could you be so kind to send me also a copy of the ktk manual ? I have a Bridgeport Interact 1 with heidenhain 2500 controler and the spindle does not work just defines Spindle Drive fault
thanks for your support !!
Adobe, I will excuse you seeing as you are as old as dirt but please look at my location ;)
Hood
whoops; A very Scotish gentleman..I do apoligise..But I was younger then !
Adobe (older than dirt)
Hi guys i had the very same trouble with my interact 1 with 2500 control the same message came up with spindel drive fault.We tracked it down to the small transformer on the mti board it did get fried ,if you look closely you can see the resin all burnt.I did some very long hours searching around for imformation on the transformer and after finding out the neccessary values,i had a much more heavy duty one made, and fitted it away from the board, on the inside of the cabinet on a insulated pad.And thank goodness she s been running well since.
Hi machintek , I am new to the site so please excuse. I need info on KTK spindle drive fitted to a Bridgeport 4 Interact. The only real info I can give is it has an MT1-1 board which seems ok. I am not outputing a start signal to the TNC-155 from terminal 29 and i believe the problem is on the main drive board. Any drawings or info greatly appreciated , thanks , Alexander...
Alexander, i need a email address to send it to.
George
Hi George , Re KTK drive , my email is [email protected] , thanks for the prompt reply , kind regards , Alexander...
Hi George , thanks for your help. The info you provided got the drive repaired , much obliged , Alexander....
George,
First thanks for all your help in the forum.
You have mentioned a set of KTK service notes about 6mb in size. I have the KTK drive that is running right now, but would like to be prepared when the time comes. Could you please send me the service notes?
My e-mail is [email protected]
Thanks,
Paul
P.S. I might be able to reduce the file size with some PDF tools that I have, would you be interested in a reduced file size version?
Can anyone send me those notes for the KTK drive also? Mine keeps blowing capcitors. I thought it was a thyristor problem, but even with that replaced more smelly smoke... Thanks. My email is clubpasser_at_gmail.com
Brian
Hi George , after about 50 running hours the spindle failed , it just keep rotating but it does not obey to the up and down manual stick , I just turn off the machined I tried to make the home process , and it does not make home because Z axis is not possible to move , The MT1 board has it´s red led on , and their 2 fuses are ok , could any body tell me how could I trouble shoot this failure ?
Thanks
Alejandro
If the Z axis does not move I would expect some alarm to come up.
The Z homes homes first. Are the drives enabling (turning on)?
Axis drive fault? Gross positioning error? Fuse? Overload?
George
Hi guys.
Anyone of you still have that maintenance dokumentation for this
KTK interface board and MT 1-1.
I did happend to get an almost unused BP interact 2 Mk 2 from the school here. And i know that machine well cause my dad was the theacher in the class for cnc. It doesnt have a lot of hrs in use and looks as new still, so i think its to bad to scrap it.
The problem is that if trying to start spindle it says spindle drive fault.
And i heard the MT 1-1 board humming/buzz.
An electrician did check the boards but he was not able to find the problem, but i think if having the needed information its easier.
So if anyone got it i be pleased if you coul e mail me an copy.
Geir Ove
([email protected])
Hi all -
I'm new.. I have a Bridgeport Interact 1 MK2.
The MTI-1 board blew up.. replaced the Varistor, Caps, Resistors and some diodes.. Light come on, on the PCB, but the Spindle motor wont switch on.. No errors given, program just hangs waiting for motor to start...
I see here the transformer on MTI-1 pbc could be blown?
I will also check the outputs from TNC Unit, but if anyone still has this info pack that would be amazing.. my email is [email protected]
I see some people have had motor problems, but the motor wasnt running when my MTI-1 board blew up, I i susspect there is a fault else where?
Many thanks for any advice :)
Dan
**update.. Since then I have also found 2 Diodes blown up in the supply cab.. Replaced both of those..
I injected 24v @ 5ma on 22 MT1 board and the spinndle motor run, removed volts and it stopped
My Problem is currently. Once the controller has done its memory test it is not reporting Y- Axis over mark... The Orange Motor Drive on Switch/Light will not stay on Now
Is the red led on the MTI board lit. If not i think its the MTI board who is faulty.
I had mine fixed now, and the above was my problem.
I had it fixed at Machine Support Services
I did mail them and talked whit Mike Colton [[email protected]]
Sendt him the board and had it fixed at a reasonable price.
It came back tested and ready to plug and forget.
I guess he also is able to help whit servos and problems of indexing the machine. just mail or call to ask.
Hi everyone!
I'm new on cnczone, actually my recently purchased interact 4 brought me here for a first post but I silently read since a long time.
I'm really sorry to ask for a favor in my first post, but I bought the mill at scrap metal price, not functional of course, it had been stopped after smoke came out of the spindle drive cabinet.
I found two blown condensers (0,1 uF, 1000v RIFA) on the power board, I don't know if they're the cause or the effect of the problem, I'm still searching, but I checked the spindle motor and it's fine.
So, could someone please send me the KTK service notes? That help would be much appreciated!
I also have another question about these DC drives, is it possible to upgrade this machine (TNC155 control) to a Mentor 2 drive, in the case the KTK wouldn't be salvable?
I can get a Mentor at a very reasonable price and the PCB of the KTK drive has been quite damaged by the blown capacitors.
Thank you for your help.
François
First, it would help to have a email address to send the notes to;)
If you replace the spindle drive, the new drive may require a set of parameters to match it to the control and motor, etc.
George
Francois,if you can afford it and have the knowhow the Mentor 11 is a good retrofit.
Unfortunately they were made obsolete a while back but Control Techniques still have some at a good price.You will need to do a fair bit of interfacing to replace the KTK as it had so many onboard functions but the manual is very comprehensive and the free support from CT is very good.
I`ve just replaced a KTK on another make of mill with an SSD 590 drive which is another good retrofit but cannot support spindle orientation if you have a toolchanger.
Thank you guys for your help!
Actually, I think that the drive has been at least repaired once, someone changed the transistor equipped with a sink on the MTI-1 board and maybe some other components. This time it seems that's the THY-1R board which is faulty and I have no idea what will be next...
This is the reason why I asked about the Mentor 2, as I have seen it on more recent interact (4 too?), I thought it could be a good replacement candidate.
When I bought the machine, without seeing it, I thought of a faulty axis drive, and then decided to go for a complete retrofit in order to run the machine with mach3. Actually the axis drives seems fine, the TNC155 too, and it's "just" the spindle drive which need to be repaired. However I still consider a retrofit in the future, but I have no experience in cnc at all and don't know what would be the drawbacks of such a retrofit.
Yesterday I bought a brand new M25RGB14 drive, a bit without knowing but for 400$ it was a good opportunity to have a 4 quadrants replacement drive, I hope that I didn't make a mistake and that this model can be adapted to the mill. I checked with all the informations available that I had, but I couldn't figure out what "GB" meant, factory site?
Unfortunately I don't have the knowhow, but I'm a student in engineering (electromechanical) so I have classes in electrotechnics, process control,... and I'm willing to learn!
400$ was a good price. That Mentor will do nicely to retrofit.
Is it the snubbing caps that have gone on the THY-1R board? They are the common problem with that board and have been in short supply in recent years but I know a company in England with stock.
If you go the retrofit route I will help you if you need it.
Yes it's two of the 6 snubbing caps that failed, it damaged a bit their pcb but mostly cosmetically, I'm a bit more worried about the FAC-1R board which probably took some heat...
I've already ordered new capacitors, with the same technology/specification, as I couldn't find a place which had these Rifa's in stock, I should have asked here first :)
Thank you for offering to help me, I appreciate it!
I'm not really sure which way I should go for about the spindle drive and the complete retrofit, I have nothing to compare to...
Is the tnc155 obsolete compared to a computer retrofit?
Maybe I should start my own thread and keep this one only related to the spindle drive.
I would think the 155 may be obsolete but it is still a good control.I have two of them and some 145,s,150`s and 151`s.All of these controls are ultra reliable.There only failing is memory capacity and we find it easy to download/upload programmes from a laptop.
The FACR-1 board is quite reliable,I have some spares but need them as I still have some KTK drives.
Main problem with the KTK`s I`ve had are the snubbing caps and the field control card going down.Usually the same cap fails on the field card but takes out the resistor next to it.A guy in England does a replacement field card which has some mods to the original and is more reliable.
Do you think that the mentor II could be used with the TNC155?
I don't necessarily want to remove all the original electronics of the machine, but I don't want to spend a lot of money in repairing the original drive either. If it works just by replacing the blown components it's great but if I need to get a replacement card, I would probably go for something more "modern" like the Mentor (even if he's not really young :)).
The thing is that I don't know if going with the mentor means to get rid of the tnc155 and go for the complete retrofit or if an hybrid tnc155+mentor solution can be found...
I also have another question, right now the spindle drive is dismounted, the spindle braker is open, is it safe to power up the mill?
I've never seen it "alive", I bought it as "defective" two weeks ago, I don't know yet if the axis drives are ok or not, nor the tnc control...
They should be fine, as the mill had been turned off because of the smoke coming from the spindle drive cabinet, but who knows....
If you power up the control with the spindle drive disconnected it will come up with a message like "spindle drive fault" or "vrdy not ready" as it will not get the ready signal back from the spindle drive that it expects.This will put an e-stop on.
The way around this is to feed it a false signal but you must make sure everything is safe.If you mean circuit braker as opposed to contactor it should be ok.
I don`t have a Bridgeport with this drive on it so I cannot tell you with certainty what connections it needs unless you give me a copy of the drawing.
The 155 will work fine with the Mentor.
My Beaver mills with KTK give the following signals to the control.
Spindle drive ready.
Spindle at rest.
Spindle not at zero speed.
Positioning complete.
Spindle at speed.
These are from memory,I would need to look at the drawing to be 100% sure.
I don`t suppose you have a toolchanger on that model of Bridgeport but if you did you would need the encoder card for the Mentor.These are also obsolete but I believe a few have been found in a desk drawer.
Thanks for the explanations, I begin to understand which parameters are exchanged between the tnc controller and the spindle drive.
In my case here is the wiring diagram from the maintenance manual
http://i739.photobucket.com/albums/x...e/IMG_2015.jpg
http://i739.photobucket.com/albums/x...e/IMG_2015.jpg
IMG_2016.jpg picture by cantause - Photobucket
http://i739.photobucket.com/albums/x...e/IMG_2016.jpg
I can send you the original file if you give me your e-mail address, I had to take pictures as I don't have an a3 scanner, I hope that the quality is sufficient.
There is no toolchanger on this mill, it's a spindle with a QC40 nut, the power drawbar was an option. It's a bit sad, in the case of a retrofit I would have liked to build a toolchanger, there are probably very interesting things to learn in such a project!
Bridgeport show the KTK better than Beaver do.Beaver do not show the internal connections between the various cards.
I will send you a PM with my email address but I would urge you to replace the snubbing caps in the KTK drive and try it before retrofitting it.The caps are not expensive and the KTK is a good enough drive when it`s running.
Just a little update,
With the help of Gridley (which I thank a lot), we repaired the drive and it now works very well.
The problem was mostly due to the blown caps, for those who hesitate for a replacement of the RIFA (difficult to find) here is what I successfully replace them by:
-0,1 uF caps of the power board (THY-1R): Epcos B32653A7104J , they have higher specs than rifa's (500 vac and 1250vdc)
-0,022 uF cap of the MTI-1 board: Epcos B32652A7223J , higher specs too (same as above)
-33 ohms resistors of the power board: Welwyn W23 33R JI (10 watts)
Here is the link of the Maintenance Manual of the Bridgeport interact 4 series II, there are some wiring informations and fault finding which could be useful on other machines too.
François
Just a thank-you for these posts.
My spindle drive packed up suddenly with blue smoke........
I have used the capacitors to the updated spec above, bought easily from Ebay.
The drive now works again fine.
So, Thanks!
Les
Hi Everyone , Just a quicken , Im working on bringing back my Interact 1 Mk 2 to life , now as many of you know finding the right manuals is difficult and often you end up having to pay for them :mad: Now ive been lucky enough that one of the forum members kindly sent me the docs for the ktk drive ( thank you mr Gamble) but i wish it had been easier This is a link to the KTK docs that i now have as well as my manual :) Happy fixing
https://drive.google.com/drive/folde...Ek?usp=sharing
https://drive.google.com/drive/folde...Ek?usp=sharing
Thorja2009,
thank you so much for all that most welcome documentation.
These large chunks of iron could easily outlive the ability to preserve the electronics driving them.
With this documentation the KTK boards can remain in their prime.
Thorja2009,
Thank you so much for sharing great info.This will indeed help me.
Best Regards