HSM307 Kollmorgen
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The Kollmorgen HSM307 belongs to the HSM Brushless Servo Motors series and has a continuous torque of 0.8 Nm with a peak torque of 2.94 Nm. This servo motor features a motor voltage of 230 V and a back EMF constant of 34 V/kRPM. It weighs 2.6 kilograms and supports a radial load of 90 pounds at 1000 rpm.
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Product Description:
The HSM307 is a brushless servo motor produced by Kollmorgen within the HSM Brushless Servo Motors series. The unit converts electrical power into controlled rotary motion for positioning axes, conveyors, or indexing tables in industrial automation. By combining a permanent-magnet rotor with electronic commutation, it delivers repeatable torque across a wide speed range and interfaces directly with Kollmorgen servo drives for closed-loop control.
Under continuous duty, the motor provides 0.8 Nm of torque, while short bursts permit up to 2.94 Nm, providing additional torque for acceleration beyond the nominal load. A torque constant of 0.31 Nm/A relates the mechanical output to drive current, and the electrical design supports a 230 V line-to-line supply. The generated back electromotive force is 34 V/kRPM, which allows the drive to calculate voltage requirements at higher speeds. The phase windings have an inductance of 12 mH and a resistance of 6.6 Ω at 25 °C. These electrical values affect current ripple and heat generation during operation.
The flange has a 100 mm bolt circle with 7 mm holes, allowing the motor to mount directly to compatible gearheads and machine frames. The shaft supports a radial load of 90 lb at 1,000 rpm. A threaded shaft end measuring M4 × 0.7 mm with a depth of 10 mm simplifies coupler attachment. Dynamic response is aided by a rotor inertia of 0.00003 kg·m², while the complete motor has a mass of 2.6 kg. The low inertia supports rapid acceleration and deceleration in indexing tables, compact conveyors, and positioning mechanisms. Position feedback is provided by an integral encoder that produces 2,000 quadrature pulses per revolution, enabling fine positioning resolution when the drive processes the encoder signals. The specified shaft load must be considered when selecting pulleys, couplings, or other components that apply radial force to the motor bearings.
Frequently Asked Questions about HSM307:
Q: What is the continuous torque rating of the HSM307 servo motor?
A: This motor provides a continuous torque output of 0.8 Nm.
Q: What is the operating voltage for the Kollmorgen HSM307?
A: The HSM307 operates at a motor voltage of 230 V.
Q: What is the peak torque that the HSM307 can provide?
A: The HSM307 delivers a peak torque of 2.94 Nm for demanding applications.
Q: How many encoder pulses does the HSM307 servo motor provide?
A: This model features an encoder with 2000 quadrature pulses for precise feedback.
Q: What are the shaft end thread specifications for the HSM307?
A: The shaft end thread on the HSM307 is M4 x 0.7 mm with a thread depth of 10 mm.
