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Member postings for Bombardier

Here is a list of all the postings Bombardier has made in our forums. Click on a thread name to jump to the thread.

Thread: Warco WM 250V power feed stuck/crash
22/06/2022 17:24:00
  • Walking away in the immediate aftermath and sleeping on it. Much safer than an instant adrenaline fuelled assault. We're all tempted by big hammers!
  • The glass of whisky

smiley

Dave

Edited By SillyOldDuffer on 22/06/2022 15:46:02

Yes both worked well in this case

22/06/2022 15:32:47
Posted by Mick B1 on 22/06/2022 15:27:48:

Well, that's pretty good news, Bombardier! That diecasting is what I was calling the 'crossslide handwheel bearing housing', and pulling the 2 caphead screws was what I was suggesting to start accessing the cross leadscrew shearpin.

From the position of the crossslide in the photo, you're nowhere near the furthest extent of travel - closer to the rearward limit defined by front face of the arc with the indicator line on it. Was that where it was when it jammed?

But it still doesn't look like the cause has come to light. I take it you've retightened the capscrews and it all still works? I guess we've all had it happen from time to time that we fix things without ever really finding out what we did that sorted it - I certainly have...

blush

Yep still no idea but thankful it wasnt too serious, thanks for you help, it was your comment that made me try that approach and thankfully it did the trick all the other suggestions were just as helpful and helped me diagonose the issue. thanks again chaps and again awesome

22/06/2022 13:11:09

First of all you guys are awesome and thanks for all your advice, it really gave me piece of mind.

So an update.

I decided to loosen the two cap head screws either side of the cross feed hand wheel and to my amazement the entire thing freed up and now works as it should. I remember when the machine stopped that I turned off the power toot sweet (remembering my previous issue) and it obviously prevented any lasting damage.

I have tried the power feed again and all appears to be working fine in that direction.

Phew lucky lucky lucky

these are the screws i loosened

22/06/2022 12:52:30

Just completed another test

With the gear box in gear and the power feed engaged running longitudinal the carriage moves fine. I am beginning to believe that a shear pin must be inside the carriage or something has gone drastically wrong inside the carriage locking it up in the opposite direction.frown

22/06/2022 12:47:15

ok on initial examination with the gearbox in gear, and the traverse and half-nut controls disengaged the lead screw turns.

The cross slide is jammed solid

22/06/2022 12:22:10

Thats great advice fellas and I will be adhering to it for sure, when I find the issue I will post pics as I go, wish me luck

22/06/2022 05:40:01

Gonna be taking a closer look when I finish work today, if it is the cross slide shear pin how best to go about fixing it ?

Thanks in advance

Edited By Bombardier on 22/06/2022 06:02:15

21/06/2022 18:34:39

yes the power feed has disengaged but the lead screw will not move so I guess it is the shear pin right?

21/06/2022 17:53:05

Hmmmm I would be interested if that is the case, will take a closer look tomorrow, just calming my nerves with a nice scotch. Thanks though I guess it could be as simple as that (hopefully)

21/06/2022 17:32:30

I decided to walk out of my shop for today as I was pretty flustered about the situation, when I finish work tomorrow I will go take a closer look in a calmer state

I dont think I exceeded the cross slide direction but I have to assume it is possible?

If I have done so what would be the fix?

21/06/2022 16:58:03

Well new lathe has been back on the bench for a few days all going great until today when I was doing a power fed facing cut and the whole cross slide jammed up, I had done at least three identical cuts with no issues prior. Any ideas what could have happened.

With me, if something could go wrong it usually does

06/06/2022 15:31:31
Posted by Brian Wood on 06/06/2022 15:16:08:

That certainly is a good result, It saves Bombadier all the worry and concern about replacing the rack or doing anything to it as I suggested.

The cynic in me wonders if they have found a fault with this model and this is their way of applying good customer relations and hiding the problem rather than issuing a recall.

Brian

Time will tell Brian however I am going to be more positive and hope that is not the case

06/06/2022 15:04:51

The mighty WARCO have agreed to completely replace the lathe.

Although that is great news I now need to take the old one off the bench and put it back on its pallet, take delivery of the new one . load onto bench, clean and oil etc, oh what joy

Great customer service from WARCO though I have to say

05/06/2022 12:23:25
Posted by Hopper on 05/06/2022 08:50:00:
Posted by Bombardier on 05/06/2022 08:24:22:

I hope to hear from Warco this coming week.

They need to address the oil leak but more importantly how this happened, I have revisited everything I did and I cannot for the life of me understand how this happened.

As you can see from my photo the teeth are mangled and although not shown in the photo the drive shaft that engages with those teeth is bent resulting in only about 10 cm of free travel left and right before it binds up.

To do that kind of damage to the teeth on the rack and the pinion gear and shaft that engage with it, something must have prevented the carriage from moving along the bed as the power feed tried to keep it moving. Usually this is something like the toolpost hitting the chuck or headstock, thus preventing any further movement. Or possibly the carriage lock was on? Or the halfnuts engaged?

A pic of the lathe overall showing where the carriage and toolpost etc are in relation to the headstock would be helpful in working out what jammed up or crashed into what.

Edited By Hopper on 05/06/2022 08:52:42

I had only just completed 2 manual cuts and so the carriage lock was not engaged nor did the tool post hit the chuck or headstock. I am at a loss what caused it, hopefully Warco can shed some light on it for me.

05/06/2022 08:24:22

I hope to hear from Warco this coming week.

They need to address the oil leak but more importantly how this happened, I have revisited everything I did and I cannot for the life of me understand how this happened.

As you can see from my photo the teeth are mangled and although not shown in the photo the drive shaft that engages with those teeth is bent resulting in only about 10 cm of free travel left and right before it binds up.

04/06/2022 10:55:08

Hi

Not sure what happened to me, I engaged longitudinal feed and it was working as expected until it arrived near to the end of its cut, I had only just finished to manual cuts so I know the carriage was not locked, I have no idea why it would bump the side of the lathe as it did. I will have to see what Warco say about it, although I am confident it wasn't anything I had done.

Edited By Bombardier on 04/06/2022 10:56:53

04/06/2022 09:32:08

Interesting post. Just had a similar thing happen to my brand new Wm250V,

after getting the lathe on the bench cleaning oiling and greasing I did two or three manual cuts on a piece of brass then tried a power feed, about 2 inches from finishing the cut the power feed stopped so I quickly turned the machine off. I struggled to disengage the power feed but did eventually mange it, I then struggled to move the carriage away from the chuck as it was really stiff until it got to the centre of the lathe where it freed up a bit.

It seems that the shaft with a gear at the end (sorry not sure what I would call that ) has crashed into the side of the lathe (see picture) and bent the shaft, hence why it moves freely at the middle of the lathe bed but advancing it forward or backward 10cm tightens it up. It has also chewed up all the gears

This is a brand new lathe and it also has a crack or hole in the casting of the power feed gear box and is leaking oil, I have contacted Warco so will see how good there customer service is.

I was disappointed with this as it was my very first operation of a lathe and was hoping to get a good couple of days practice in.

20220603_111515.jpg

Thread: Hello evrybody
24/05/2022 14:13:44

Hi

Just joined and brand new to engineering, I have just bought my first lathe (Warco WM250 V) and am in the process of getting it setup. I have been messing around with metalworking in general for the past 2 years and have been welding more than engineering in that time.

I have been reading through a lot of posts here lately and it sure looks like I am in the right place for advice and ideas.

Thanks for having me and I look forward to chatting in the near future.

All the best

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