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  #61  
Old 12-05-2017, 04:19 PM
Mikem Mikem is offline
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Default Re: Bucyrus Erie crane truck

So the rollers need enough clearance to roll but not to tight not to loose . Hmmmm
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  #62  
Old 12-05-2017, 04:45 PM
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Default Re: Bucyrus Erie crane truck

Yes. When we adjusted hook rollers, we'd lay the boom straight out (sometimes with weight on it) to tilt house forward, then measure clearance at top of front rollers and at bottom of rear rollers. Since rollers are tapered, adding or removing shaft shims would push them toward or let them pull away from the center shaft, altering the clearance between roller and circle flange.

Ken
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  #63  
Old 12-05-2017, 05:09 PM
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Default Re: Bucyrus Erie crane truck

Ok now just have to build that in 1/14 scale . Thanks Ken
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  #64  
Old 12-12-2017, 12:35 PM
markturbo markturbo is offline
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Default Re: Bucyrus Erie crane truck

Nice work! I like seeing these scratch built projects come to life.
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  #65  
Old 12-12-2017, 04:27 PM
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Default Re: Bucyrus Erie crane truck

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Originally Posted by markturbo View Post
Nice work!
Thank you.




I had some free time over the weekend and I was able to the roof hatch on the crane housing done.






On a side note. I got the lathe running and bought a quick change tool post, so now all I need to get is some tooling and a drill chuck and center, and I will be able to start machining the swing ring.





Shawn.
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  #66  
Old 12-12-2017, 04:31 PM
skeeter skeeter is offline
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Default Re: Bucyrus Erie crane truck

I wish I had skills enough to do scratch built styrene work like that!

Last edited by skeeter; 12-12-2017 at 04:31 PM. Reason: typo
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  #67  
Old 12-12-2017, 05:21 PM
Mikem Mikem is offline
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Default Re: Bucyrus Erie crane truck

Looks great . I made my floor and stabilizers
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File Type: jpg 0CFBEB61-07F7-4917-B58E-6337E85F25B2.jpg (157 Bytes, 102 views)
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  #68  
Old 12-12-2017, 05:22 PM
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Default Re: Bucyrus Erie crane truck

And my pic didn’t come in sorry (frustrated )
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  #69  
Old 12-12-2017, 06:45 PM
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Default Re: Bucyrus Erie crane truck

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Originally Posted by Mikem View Post
And my pic didn’t come in sorry (frustrated )
Have you tried using a image hosting site?



Shawn
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  #70  
Old 12-12-2017, 08:13 PM
Jared Jared is offline
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Default Re: Bucyrus Erie crane truck

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Originally Posted by sparkycuda View Post
Love this build! Just a clarification about the center shaft and hook rollers. Center shaft does transmit propell power to lower works, but the house is also centered by the bushing around the shaft housing. Hook rollers control the tilting of the house on the ring, so clearance is needed between rollers and ring path. Roller clearance allows front rollers to contact on bottom flange and rear rollers on top flange, when lifting. If they are adjusted in too far, lack of clearance will prevent rollers from turning during house rotation.
Oops! My bad. I guess I've been away from it too long. Looking at my drawings I see I made provision for a center bearing.
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  #71  
Old 12-12-2017, 08:47 PM
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Default Re: Bucyrus Erie crane truck

You have a drawing for this piece ? Would you share it ? Mike
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  #72  
Old 12-13-2017, 09:21 AM
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Default Re: Bucyrus Erie crane truck

I've posted this in the past. Is this of any help? I have more if needed.







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  #73  
Old 12-13-2017, 03:49 PM
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Default Re: Bucyrus Erie crane truck

Yes I have seen these , but I’m looking for more dimensions. And I thought Jared had a personal drawing of the turntable . Reading these engineer drawing is not for the faint of heart . Thanks Mike
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  #74  
Old 12-13-2017, 05:01 PM
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Default Re: Bucyrus Erie crane truck

Usually I enlarge or reduce these drawings to fit my use. The design is pretty much the same throughout the line of these machines.
I may be able to dig a little deeper in my books and find more on those rollers.
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  #75  
Old 12-13-2017, 05:46 PM
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Default Re: Bucyrus Erie crane truck

Thanks for posting those drawings, i think i can find some use in them for my Michigan dragline.
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  #76  
Old 12-14-2017, 12:21 AM
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Default Re: Bucyrus Erie crane truck

Quote:
Originally Posted by Mikem View Post
Yes I have seen these , but I’m looking for more dimensions. And I thought Jared had a personal drawing of the turntable . Reading these engineer drawing is not for the faint of heart . Thanks Mike
I took this drawing and used the measurements at the top and did some quick scaling to get the dimension for the swing ring. It should be accurate if the drawing is to scale, all you have to do is use a scale calculator to get the dimension for your model. I'm modeling to 1/14 scale, so 55 3/8" in 1/14 scale is 3.96"




I hope this helps you.





Shawn
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  #77  
Old 12-14-2017, 06:30 AM
Mikem Mikem is offline
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Default Re: Bucyrus Erie crane truck

Thanks for this it does help . I was using my guesstimated size of 4 inches , so that was close to 3.96.
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  #78  
Old 12-15-2017, 06:22 PM
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Default Re: Bucyrus Erie crane truck

A small bit of progress on the crane. I made this service hatch, I don't know what it's supposed access on the real machine but it should come in handy to access the winch motors or a battery.










Shawn
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  #79  
Old 12-15-2017, 07:43 PM
skeeter skeeter is offline
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Default Re: Bucyrus Erie crane truck

Nice
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  #80  
Old 12-15-2017, 07:59 PM
bigpipespete bigpipespete is offline
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Default Re: Bucyrus Erie crane truck

What color have you picked , and do you plan on making it look like new or an old tired machine like in that picture ?
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