K32HCHJ-LEK-PF-01 Pacific Scientific
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The Pacific Scientific K32HCHJ-LEK-PF-01 is a stepper motor from the K PowerPac Motors series featuring a 3.38 inch square NEMA 34 frame and a holding torque of 10.8 Nm. It is built with enhanced SIGMAX construction, has a 1000 LPR encoder, and includes a double ended shaft with a straight key and shaft seal. The motor is designed for a heavy duty NEMA mounting style and operates within a temperature range of -20°C to +40°C.
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Product Description:
The K32HCHJ-LEK-PF-01 is a stepper motor produced by Pacific Scientific for the K PowerPac Motors series. In automated machinery, it translates pulse trains from a drive into fixed-angle shaft increments, providing predictable positioning for indexing tables, carton erectors, and light gantry axes where closed-loop feedback is optional rather than mandatory. Its stepper design is well suited to applications that need repeatable indexing and stable holding torque without requiring continuous position correction.
With a holding capability of 10.8 Nm, the rotor can remain locked under load when motion is paused, which helps prevent back-driving on vertical or belt-driven stages. Each command advances the shaft by 1.8°, and the stated step accuracy supports repeatable 200-step revolutions without encoder correction. The NEMA 34 frame keeps the 3.38-inch square housing compatible with common heavy-duty NEMA mounts, while SIGMAX enhanced construction directs more magnetic flux through the laminated rotor for higher torque density. A body length of 133 mm corresponds to a two-stack core, which increases active magnetic length. The motor uses a 4-lead parallel winding arrangement that lowers phase resistance, so higher-current microstepping drives can maintain torque more effectively at speed. An insulation resistance of 100 MΩ and a straight-key shaft also support reliable installation in material conveyors, fixtures, and similar industrial equipment.
Power connections use a System MS connector, which allows quick mating of the required conductors. The motor also has a double-ended shaft for an encoder, allowing the addition of a 1000 LPR encoder when closed-loop verification is required. Coil insulation is rated to 340 Vdc, which supports use with high-bus chopper drives. The varnish system tolerates ambient temperatures from -20 °C to +40 °C without derating. A shaft seal helps limit dust ingress, and the motor uses standard windings with a laminated core to support consistent torque during long operating periods.
Frequently Asked Questions about K32HCHJ-LEK-PF-01:
Q: What type of shaft design is offered on the K32HCHJ-LEK-PF-01 stepper motor?
A: The K32HCHJ-LEK-PF-01 features a double ended shaft with a straight key and shaft seal, allowing for encoder attachment and added protection.
Q: What kind of encoder is provided with the K32HCHJ-LEK-PF-01?
A: This motor is equipped with a 1000 LPR encoder for precise position feedback.
Q: What is the holding torque for the Pacific Scientific K32HCHJ-LEK-PF-01 motor?
A: The K32HCHJ-LEK-PF-01 has a holding torque of 10.8 Nm.
Q: What are the frame dimensions and type for the K32HCHJ-LEK-PF-01?
A: It features a 3.38 inch square frame, conforming to the NEMA 34 frame type standard.
Q: What is the step angle for the K32HCHJ-LEK-PF-01 stepper motor?
A: The step angle of this motor is 1.8°, providing accurate and consistent movement increments.
