Sunday, 14 August 2016

[7x12minilathe] Test bar from inkjet printer

 

Well yesterday I disassembled my old inkjet printer (Epson 740). This was done to remove the printer's print head carriage rod which several people here have said would make a good test bar.
 
First let me say that this particular printer does not come apart very easily. I don't know how many tiny Philips head screw needed to be removed, but it was a lot! After thinking several times that this was not worth all the time and effort, I was finally able to remove the print head carriage rod.
 
The rod is about 14.5 inches long but is only 9 mm (0.354") in diameter. Each end is turned down to 0.120" about 0.250" long. I was hoping that the rod would have been center drilled on each end, but no such luck. 
 
I haven't done anything with it yet, but was concerned that the 9mm diameter was a little on the thin side, and that either sag or flex of the rod would render the measurement readings inaccurate.
 
Opinions?

Michael - California, USA
Micro-Mark MicroLux 7x16
LMS 3990 Hi-Torque Mill with power feed

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Posted by: "Michael Jablonski" <michaeljab@cox.net>
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