Ender 3 Filament Spool brake system
Description
This is brake system for Ender 3 filament spool. I got a problem with unwinding the filament from the spool when the carriage moves after installing the direct extruder. This brake system resolve this problem. I use the <a href="https://www.thingiverse.com/thing:3114139">Ender 3 - Filament holder DELUX</a> for standart Ender 3 spool bracket. This brake system is mounted to standart Ender 3 spool bracket by the M5 screw with knob. Used materials: <ul> <li><a href="https://aliexpress.ru/item/4000926471446.html?spm=a2g0o.productlist.0.0.36926a97ERbAaR&algo_pvid=0629858d-271d-404d-ac05-658f3242bcb0&algo_expid=0629858d-271d-404d-ac05-658f3242bcb0-0&btsid=0b8b035c16164972702558233e14e1&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_"> Bearing 4x13x5 S624ZZ - 2 pieces </a></li> <li><a href="https://aliexpress.ru/item/4001204139251.html?spm=2114.13010708.0.0.569733ednOoz6e&_ga=2.218313232.86575.1616496888-1489794800.1613062517&_gac=1.226515183.1615540420.Cj0KCQiAv6yCBhCLARIsABqJTjY7TeF9Ce1Yjnd35GghbNYiixAOaF4exXeYSjmT4z9He5VagvngbWMaAh5oEALw_wcB">Spring 0.8x10x ~20 mm (I cut pice of this spring)</a> </li> <li> M4x30 screw</li> <li> M5x20 screw for knob</li> <li> M4 nut </li> <li> M5 nut </li> </ul> I use the two component glue to fix M5x20 screw in knob head. You can use screw with hex head and appropriate knob (for example <a href="https://www.thingiverse.com/thing:4558217">this one</a>) I dripped a drop of thread lock onto the M4 screw to fix it in the nut. You can adjust the spring tension by sliding the brake up and down and fixing it with the M5 screw.
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