motorcycle chain compression block
Description
Rather than drop $80 on a chain compression kit that I'll only need every 10,000 miles at most, I figured I'd use my standard metal C-Clamp and print out a quick, easy, disposable block I can use to put over the pins, give it a squish, install the master clip and get on with my life! Premise of operation: This little device has a back and a front. Put it on top of the chain with the back towards the joiner link and the front on the master clip side so that when you squish it with a vice, the pins come forward into the front holes without damage to the chain. Once sufficiently compressed you can un-clamp the device and use needle nose pliars to install the master clip. Compatibility: this works with motorcycle chain 520 & 525. For 530 and 532, just cut the joining plastic so that it'll fit across the chain. It should also work with 415, 420, 428. It MIGHT work with 630, 632 which are larger, but it's only plastic. If you make the holes larger with a file, it might work after all. Print details: you can print pretty large, it doesn't have to be fine resolution nor does it have PVA or temperature requirements, but it DOES need to be 100% infill because you're squishing this thing with a vice. It only needs to survive one use, but it won't make it without sufficient infill. Picture descriptions: - chain picture: this shows how to attach the chain clip, ensuring you attach it in the direction of travel and provides a reference: the front of this Thing is Master-clip-side. - description: this picture shows which side is front and what it looks like when printed. - Cura example: this is an estimate of what it'll look like in Cura
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