K1 Max链条拖拽修复

K1 Max chain drag fix

2024-04-19 06:22:37

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Summary

K1 Max chain drag fix. (This is a work in progress so I may make edits if things change or come up.)

These parts support the the chain on the extruder side and rear frame side

Rear ramp just slides over the existing chain tray in the rear.
For the extruder side support, remover the chain screw (has Red Loctite, so its tight) lift the chain end enough to slide the open edge of the new part under it from the right, around the wires, then rotate 90 degrees so the opening is facing rear. Press it down over the square screw post and the part should fit flat and snugly behind the edge of the extruder cover.

I also added a few small pieces of super thin 2 sided tape (.01 mm without the backing) to hold the extruder part securely and prevent any type of movement (it's a snug fit anyway but wanted a little extra).

After installing the rear "ramp", also loosen the two, 2mm hex screws the secure the rear end of the chain assy to the frame (behind the black cables), lift slightly and tighten back down. This will help lift the chain up so the ramp isn't doing all the work. There's enough slop in the chain mount screw holes to get a degree or 2 of extra lift.

Tested with just the glass lid and also with the glass lid slider rails from SHaDoW6 (https://www.thingiverse.com/thing:6395137). The only issue I had was from one of the Bowden tube/chain clips (closest to the extruder) catching slightly on the bottom of the left side Glass lid slide rail since the rail takes a few mm of space around the underside of the rim. (Love the slider rails!)

These should probably be printed in PETG or ABS but I'm going to see how my PLA+ holds up long term.