Mods to a shop/engine crane
#21
be sure and put on your thermal undies and take an extra jacket with you just in case Rotfl Rotfl Rotfl
dallen, proud to be a member of MetalworkingFun Forum since Apr 2012.

If life seems normal, your not going fast enough! Tongue
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#22
Dave, 63.5mm plus  two 5mm plates makes 73.5mm by my math. 17428

Will it still fit? (your drawing shows a 2.5mm plate on each side but only 1 on the bottom.)  Chin

Steve

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Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.
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#23
It will fit Steve,
Goes into a channel 75mm wide x 70mm deep. The two 20mm dia holes are for the two pins, one pin is used as a hinge and the other to lock it either in the working mode or in the folded mode.
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DaveH
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#24
Got the castors (8 off) 125mm (5") wheel dia rated at 140kgs (300lbs) No plate - single bolt hole fixing.

       

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DaveH
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#25
Nice castors Dave. Is the hole for mounting them threaded?

Ed
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#26
(08-07-2015, 11:04 AM)EdK Wrote: Nice castors Dave. Is the hole for mounting them threaded?

Ed

Thanks, the hole isn't threaded just a plain hole 13mm dia  for M12 or 1/2" bolt. Although an hex hd bolt doesn't normally fit too good, can't get the ring spanner or socket in  Slaphead  so I tend to use a cap head/ button head.

It there is access one can use a nut, otherwise a 12mm plate with a tapped hole is welded on.

The reason I went for the single bolt hole is because the plate size on the castor is wider than the 63.5mm sq tubing, I could have welded a plate on the bottom of the tubing and then I'll keep catching my ankle on it Bash
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DaveH
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#27
Cut the 63.5 sq tubing to size and tack welded the side plates on, checked to make sure it fitted.
       

Welded the side plates a little more and drilled the two 19.5mm holes, cleaned it up a bit and checked to see if the pins would fit. 
       

Must be my lucky day. Big Grin
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DaveH
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#28
Fitted the new (go faster Big Grin ) castors to the welding bench.
   
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DaveH
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#29
I forgot to mention I didn't put a 5mm plate on the bottom, just one 5mm plate on each side.
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DaveH
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#30
I'll just sit here and watch the paint dry Big Grin 
   
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DaveH
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