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Old 09-06-2016, 01:26 PM
Bluchip Bluchip is offline
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Default What do you suppose this machine is?

Here's an image of a machine used years ago at Parks Air College, perhaps 30's. Thus, it is aviation purposed. What do you suppose it is/does?
Obviously electric drive. Shaft to upper half so something there creates vertical motion Pullmax style. Reciprocating? Not sure. Rivet setter? Possibly. Punch? Another option.
What about the lower half? Seems like there could be provision for a lower rotary shaft driven via chain off of upper shaft as evidenced by the casting clearances that would otherwise not serve a purpose structurally to machine frame. Top and bottom movement? Simultaneously? Selectively?
I suspect it is not much more than a rivet setter or punch but it appears so complicated and massive for the type of materials used in the aviation trades of this era. I would also imagine pneumatic drives were well established around this time.

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Old 09-06-2016, 03:41 PM
Bluchip Bluchip is offline
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Evidently this is a basic nibbler. That is the feed mechanism below there. That had me all cornfused!
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Old 09-06-2016, 04:45 PM
bobadame bobadame is offline
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Looks like it's being operated by a ghost.
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Old 09-06-2016, 04:47 PM
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The ghost of shapers past.
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Old 09-06-2016, 05:00 PM
Mike Rouse Mike Rouse is offline
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Heavy fly wheel large diameter shaft hand lever above stripper plate and a catch box below leads me to think it is a punch.
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Old 09-06-2016, 11:05 PM
crystallographic crystallographic is offline
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Quote:
Originally Posted by Bluchip View Post
Here's an image of a machine used years ago at Parks Air College, perhaps 30's. Thus, it is aviation purposed. What do you suppose it is/does?
Obviously electric drive. Shaft to upper half so something there creates vertical motion Pullmax style. Reciprocating? Not sure. Rivet setter? Possibly. Punch? Another option.
What about the lower half? Seems like there could be provision for a lower rotary shaft driven via chain off of upper shaft as evidenced by the casting clearances that would otherwise not serve a purpose structurally to machine frame. Top and bottom movement? Simultaneously? Selectively?
I suspect it is not much more than a rivet setter or punch but it appears so complicated and massive for the type of materials used in the aviation trades of this era. I would also imagine pneumatic drives were well established around this time.

Motor below at the rear of the frame - drive belts up to a rotating shaft above, catch box - I'd say it is a punch and die nibbler for cutting out blanks of aluminum sheet. Not a riveter or a dimpler or a beading or edging machine. The lever above the operator's head engages and desengages the punch head.

My American Chain and Cable Campbell is similar but is fabbed of heavy (5" plate), about that throat depth, but much heavier and will do 1/4" stainless and down to 24ga galv. Also has a release on the upper punch, but not the lever.
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Old 09-07-2016, 06:04 AM
Bluchip Bluchip is offline
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It would indeed appear a W.J. Savage nibbler. I was unaware of a nibbler having an integral feed mechanism which explains the lower shaft in initial post query. This video is a smaller version but the cast frame and similar gusset pattern give evidence to the lineage. Interesting feed mechanism.

https://youtu.be/HrrpJ-X-ETo

Here's a similar appearing unit:


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Old 09-07-2016, 06:18 AM
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Old 09-07-2016, 06:25 PM
crystallographic crystallographic is offline
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I think the mystery is now solved.
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