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  #1  
Old 08-02-2015, 10:22 PM
sevenwood sevenwood is offline
Copper
 
Join Date: Jun 2015
Location: Houston
Posts: 1
Default Nooby needs help

I have acquired a Preis 2D-4 pantograph engraver which except for some cosmetic blemishes is in excellent shape i.e. no slop in any bearings, sound spindle, etc. Not surprising as it is built like a tank. My problem is the lack of any clear line for setting the reduction on the huge central slide which carries the pivoted support for the spindle. With both dovetail stops on the pantograph arms set exactly on the 3, I have tried many locations for the central slide, but moving the stylus along the straight edge of the copy slide always results in the spindle describing a shallow arc (some less shallow than others) rather than a straight line. Given the size and rigidity of the entire machine I cannot imagine why this occurs. Any suggestions would be appreciated.
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Old 10-05-2015, 10:02 PM
monk monk is offline
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Join Date: Apr 2006
Posts: 825
Default Re: Nooby needs help

can you send a foto showing the panto arms ? if so, i may be able to help you out. the foto would have to be taken from above the unit, not the side.
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