Product Description:

The E34HCHT-LDK-NF-00 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. This four-stack unit provides incremental position control for indexers, packaging axes, and other mid-torque automation points where open-loop operation is acceptable. SIGMAX rotor construction, a smooth output shaft, and a heavy-duty NEMA mounting face allow the motor to couple directly to gearheads or belt drives while maintaining low detent torque and consistent step behavior.

The square flange matches the NEMA 34 frame standard, so the motor centers on an 86 mm pilot and fits common machine brackets. Under full energization, the rotor resists external motion with 8.76 N·m of holding torque, allowing vertical loads to remain fixed without separate brakes. Each phase draws 5.2 A at standstill; the corresponding copper loss is limited by a winding resistance of 0.71 Ω and an inductance of 8.7 mH. These electrical values keep current rise times compatible with microstepping drives that use higher chopping frequencies. The 340 VDC insulation rating and 100 MΩ insulation resistance help prevent dielectric breakdown during fast transients.

A full revolution requires 200 steps at 1.8 degrees per step, and cumulative error is limited to ±1.5%, enabling repeatable indexing without encoder feedback. Continuous operation is permitted from -20 °C to +40 °C, which suits most climate-controlled enclosures. Radial bearings accommodate a load of 427 N, while the shaft withstands an axial load of 801 N, allowing moderate pulley tension or end play without premature wear. Thermal energy moves from the laminations to the ambient air through a thermal path rated at 1.7 °C/W. The complete assembly weighs 4.40 kg, keeping its contribution to machine mass moderate. Proper mounting helps conduct motor heat into the machine structure while preserving shaft alignment under load.