The (already too small) heatsinks on the cheap "TB6600" stepper drivers have recently shrunk down to almost nothing. Old (left) vs. those received within the past week from several sources.Similar Threads: inexpensive nema 17 "closed loop" stepper driverNew Machine Build- How can do ""manual stepper motor sizing for "rack and pinion"calculation""???Need Help!- stuck with "prof" 4 axis stepper driver tb6560 + LCD digital display + Pulse keyb.Newbie- "Breakout board & motor controllers" v "Stepper motor driver controller board"
Last edited by KimPrzybyla; 11-16-2021 at 01:39 PM. Reason: remove prefix
They still look OK for a single TB6600 driver. Unless the power chip is overheating, I would not worry about the "new and improved" heatsink.
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