Throat replacement again

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Roberts_Clif
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Posts: 321
Joined: March 25th, 2017, 8:17 am
Location: Washington
3D Printer(s): Hictop 3DP11/12

Throat replacement again

Post by Roberts_Clif » December 18th, 2017, 2:21 pm

Well here we are again the in the Repair cycle of our 3D Printer.

Filament enters at 1.77mm expands inside throat to 2.21mm and gets stuck.
The PTFE Throat has been enlarged to 2.21mm inside the bottom of the throat and pushed into the Nozzle narrowing the channel in the nozzle.


Nozzle & Throat.jpg
Throat on the left, nozzle on the right. both sitting in T8-8 lead screw nuts. (Stupid Digital camera can't correctly focus this auto focus camera.)

This happens about 3 times a year. And in the process messes up about 3 or 4 printer or until if discover the throat PTFE tubing is bad again.

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