Tuesday, September 18, 2007


Run in

I got the extruder barrel finished this morning and ran it in for a few hours. After the last coats of paint were done I rebuilt the extruder barrel/PTFE block/filament guide assembly.

When I rebuilt the barrel correctly on the second try I used the recycled PTFE block flange from the old barrel. That was warped, of course, and when I tried to reassemble the pressure system that holds the guide, block and barrel together, nothing wanted to fit right.

I solved this by putting the whole assembly in the vise and giving it a squeeze. While I was at it I tightened the nuts and bolts. That was handy.

(Read the full story)

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