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Well that's going to leave a mark.

Started by DR_Buck, December 30, 2019, 07:13:56 PM

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DR_Buck


It actually didn't leave a visible mark but I am currently hard down.    This evening as I was finishing up resawing some beams for a customer and my debarker  ... just fell off.   :o      I hadn't even used it today.  It was just hanging out there out of my way.  Then while dragging a board back it just dropped off.    It looks like the pin that the assembly pivots on is broke in half.   It was getting dark so tomorrow I'll take a closer look but it appears the pin is welded in place to the support arm that holds the debarker.    I've sent Marty Parsons an email and some photos and I will follow up with him in the morning to figure this out.    I'm just glad I was milling at home and not out on a portable job.  




 





 


 


  
Been there, done that.   Never got caught [/b]
Retired and not doing much anymore and still not getting caught

KenMac

That's an odd thing to happen!! Will warranty cover repairs? :-\
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Southside

Is that something along the lines of a 1"+ steel rod that sheared off? 
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GAB

Could you post pictures of the failure point on all pieces involved?
GAB
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DR_Buck

Quote from: GAB on December 30, 2019, 07:45:57 PM
Could you post pictures of the failure point on all pieces involved?
GAB
This is a close up of the swing arm that holds the debarker.  The round gray area is the broken shaft/pin.


 




This is a close up of where the shaft/pin is supposed to be attached.   It broke off up inside the assembly and dropped out.





 
Been there, done that.   Never got caught [/b]
Retired and not doing much anymore and still not getting caught

Oliver05262

In picture number 2 I can see the beach marks. Probably a nick or a weld stress in the pin started the failure.
Oliver Durand
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charles mann

can you not just disconnect the cannon plug and continue mission? 
it looks as is it was a fresh brake, no signs of corrosion, indicating a crack prior to failure. as if it literally just broke for no apparent reason. 
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Magicman

I wonder if that arm wasn't swinging freely (binding) and causing the circuit breaker problem?  
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DR_Buck

Quote from: Magicman on December 31, 2019, 08:17:35 AM
I wonder if that arm wasn't swinging freely (binding) and causing the circuit breaker problem?  
It seamed to move OK.  I greased it and  I could push it out of the way when changing blades.
Been there, done that.   Never got caught [/b]
Retired and not doing much anymore and still not getting caught

Stephen1

I broke mine there in the 1st month I had the mill. My mistake, I was putting the head in it's travelling position and forgot to swing the debarker into position, i dropped it onto the support leg. I was sent the next revision  debarker arm. I installed it and still found the debarker does not swing quite enough to saw those big ugly logs, it was 1" inside the outside bearing so I could only saw 31" wide. I have now got rid of the "V" that controls the swing of the debarker, I can swing it all the way past and actually saw close to the 34". I can also swing the debarker to 180 degree to change the blades.
I used to swear at that debarker every time I wanted to change the blade or try to squeeze by a bump.
 I also now move the saw head to the far end to change blades and am able to swing the debarker all the way out. Just have to be carefull that I don't swing it 360 degree as the wiring starts to wind up. ::)
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Rhodemont

Good thing you were not using it when it fell off.  That would have really left a mark with the blades turning.
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DR_Buck

Good News.    I'm not the first to have this happen.   It's covered by warranty.  8)   And, the new, revised part is on order.    

Quote from: Stephen1 on December 31, 2019, 10:12:17 AM
I broke mine there in the 1st month I had the mill. My mistake, I was putting the head in it's travelling position and forgot to swing the debarker into position, i dropped it onto the support leg. I was sent the next revision  debarker arm. I installed it and still found the debarker does not swing quite enough to saw those big ugly logs, it was 1" inside the outside bearing so I could only saw 31" wide. I have now got rid of the "V" that controls the swing of the debarker, I can swing it all the way past and actually saw close to the 34". I can also swing the debarker to 180 degree to change the blades.
I used to swear at that debarker every time I wanted to change the blade or try to squeeze by a bump.
I also now move the saw head to the far end to change blades and am able to swing the debarker all the way out. Just have to be carefull that I don't swing it 360 degree as the wiring starts to wind up. ::)
I know what you mean about the "V" but I've not had the need to saw at 32" yet.   I have been changing blades at the far end of the mill for some time and compared to the old non-wide version of the debarker it is some what of a PAIN to work around.    I've banged my head a few times.    ::)

Been there, done that.   Never got caught [/b]
Retired and not doing much anymore and still not getting caught

GAB

Quote from: DR_Buck on December 30, 2019, 07:55:32 PM
Quote from: GAB on December 30, 2019, 07:45:57 PM
Could you post pictures of the failure point on all pieces involved?
GAB
This is a close up of the swing arm that holds the debarker.  The round gray area is the broken shaft/pin.


 




This is a close up of where the shaft/pin is supposed to be attached.   It broke off up inside the assembly and dropped out.






Thanks for the pictures.
Can you tell if that was a machined pin or was it a cast or forged part.
The last part I saw that looked like that was a poor quality forging.
GAB
W-M LT40HDD34, SLR, JD 420, JD 950w/loader and Woods backhoe, V3507 Fransguard winch, Cordwood Saw, 18' flat bed trailer, and other toys.

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