The Reason Behind All Metal Hotend Jamming

The Reason Behind All Metal Hotend Jamming

Recently we got a complaint from one of our customer that the PLA is jamming in Chilly All Metal Hotend, which we make. To address this issue we did some quick search and found that JAM is common to any hoted in the world (say e3D, Prusa, etc.) , here are some helpful topics why the JAM occurs especial with PLA filament, but not on other high temperature filaments.