AliExpress BT30 ATC
grabcad
Quick mockup of the BT30 ATC for my DIY mini CNC mill, some of you might find it usefull.Disclaimer: This is not meant to be 100% accurate with the IRL version, If I decide to get my hands on it I will update this model, you can find whats missing and wrong below.The spindle body is almost 90% accurate, internal details are missing, threads, some holes, bearings etc. Side mouting is accurate. I believe it uses 47x20 (or 25/30 ID) bearings since the large hole.Its missing the drawbar.The pneumatic cylinder is a bit taller, the IRL one is 47mm tall (as far as I know).Its missing the pneumatic cylinder mounting plates, I just extended the spacers a bit and aligned them to the holes.There is a HTD M5 Pulley with 19mm ID (1:2 and 2:1 ratio), you can see it on the sellers page, currently its replaced with just a cylinder
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