How to clean the mould for PTFE ram extrusion machine

How to clean the mould for PTFE ram extrusion machine?
At present, we have got some feedback from customers, for the extrusion rod easy to crack it? Always we said, must clean the inside of the mould tube. But customer said after another 1 days, the problem happens again.
Today communicate with our mould maker, he said mostly if want to clean the mould good need to make some special tools.

Firstly make the tool like dig ear tool, because some dirty paste in the wall, use this tool and make the dirty not paste it.

Then use stainless steel ball wire, cut some space for the pole, then wrap the stainless steel wire on the pole, mostly in the beginning, the size is small, and in the middle, little bigger. But pay attention, must less the tube OD, otherwise, will increase the mould tube OD.

Different size, the special tool is different, and after polish, it, use strong light to check inside whether smooth.

Видео How to clean the mould for PTFE ram extrusion machine канала PTFE machine and product