K42HLFK-LNK-NS-00 Pacific Scientific
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The Pacific Scientific K42HLFK-LNK-NS-00 is a stepper motor from the K PowerPac Motors series and features a NEMA 42 heavy duty mounting with a 4.325-inch square frame. It provides a holding torque of 28.2 Nm, operates in temperatures from -20°C to +40°C, and has a SIGMAX enhanced laminated construction. The motor uses an 8-lead configuration and delivers a 1.8° step angle with ±1.5% step accuracy.
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Product Description:
The K42HLFK-LNK-NS-00 belongs to the K PowerPac Motors series from Pacific Scientific. It is a hybrid stepper motor intended for heavy-duty positioning and incremental feed tasks where open-loop control is sufficient. By combining a laminated rotor with SIGMAX enhanced construction, the motor provides high torque density, and its single straight-key shaft interfaces directly with couplings or gearboxes used in material handling, indexing tables, and other automated machinery. Because it operates as a stepper motor, motion is controlled through commanded step sequences rather than closed-loop servo feedback.
This model delivers a holding torque of 28.2 Nm, allowing it to keep large loads stationary without a mechanical brake. The square housing follows the NEMA 42 standard, matching a 4.325-inch frame used on existing mounts. Each full step shifts the rotor by 1.8°, giving 200 discrete positions per revolution for simple pulse-per-step control. A total body length of 150 mm accommodates two internal stator stacks, which helps increase torque while keeping the mounting footprint compact. The motor maintains rated performance from -20 °C to +40 °C, allowing use in unconditioned plant areas and climate-controlled enclosures. It also uses a heavy-duty NEMA face for rigid mounting, and the connection point is brought to an internal terminal board.
Electrical termination is made through a 1/2 in. NPSC pipe thread conduit that helps protect conductors from fluid splash on the production floor. The flexible 8 lead configuration supports bipolar or unipolar drive topologies, allowing multiple current and voltage options. The windings are rated for 340 Vdc insulation, and resistance to ground remains 100 MΩ or higher to minimize leakage. With a step accuracy of ±1.5%, positioning error stays within tight mechanical tolerances even without an encoder. The motor uses no feedback device and has no shaft seal, which suits applications that do not require encoder feedback and operate in splash-prone industrial areas.
Frequently Asked Questions about K42HLFK-LNK-NS-00:
Q: What is the holding torque of the K42HLFK-LNK-NS-00 stepper motor?
A: This model features a holding torque of 28.2 Nm, providing strong performance for demanding motion control applications.
Q: What mounting type does the K42HLFK-LNK-NS-00 use?
A: The K42HLFK-LNK-NS-00 has a NEMA 42 heavy duty mounting type for secure installation in industrial settings.
Q: What construction type does the K42HLFK-LNK-NS-00 feature?
A: This motor is built with SIGMAX enhanced construction for improved operational efficiency.
Q: What shaft features does the K42HLFK-LNK-NS-00 motor offer?
A: The shaft features a straight key and does not include a shaft seal.
Q: What is the step angle of the K42HLFK-LNK-NS-00 stepper motor?
A: The step angle for this stepper motor is 1.8°, allowing precise movement control.
