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The Cloudray 34CS85EK-490 is a Nema 34 open-loop stepper motor rated at 8.5 N.m holding torque and 4.9 A per phase in a two-phase, bipolar design. It is a frame-size upgrade over Nema 23 motors, aimed at CNC routers, laser cutters, plasma tables and larger 3D printers that need more turning force than a 23 can give. Cloudray builds it fully enclosed with permanently lubricated ball bearings and claims low vibration, low heating and no lost steps, which is the pitch buyers of Chinese CNC parts weigh against generic Nema 34 motors. It needs a driver and power supply rated for roughly 5 A per phase, so it is not a drop-in swap for a small hobby board.
In stockShips from China · duties may applyReturn policy
This is a 2-phase NEMA 34 open-loop stepper motor with a 112 mm body, 8.5 N.m of torque and a 4.9 A rating. It is bi-directional and totally enclosed, with permanently lubricated ball bearings for smooth operation. The bearings and shaft are made in Japan.
Open-loop speed and position control is achieved with full-step, half-step or microstepping electronics. The motor is designed for low vibration, low heating and no loss of step, with fast response and good acceleration. Its short length and light weight allow use in highly integrated systems.
It is used with a stepping motor driver in engraving machines, cutting plotters, textile machines, 3D printers, medical devices, stage lighting equipment, robots, CNC machines, music fountains and other industrial automation equipment.
