GM0250926 Kollmorgen
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The GM0250926 is a DC motor from Kollmorgen's ServoDisc Pancake DC Motors series. It operates at a recommended voltage of 8 V and achieves an operating speed of 12000 revolutions per minute with a no-load current of 60 mA. The motor features HIPERFACE protocol through the SKS36S encoder model, provides 128 lines per revolution feedback, and has a protection class of IP50.
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Product Description:
The GM0250926 is a brush-commutated DC motor produced by Kollmorgen within the ServoDisc Pancake DC Motors series. Its flat rotor design minimizes axial length, allowing tight integration into semiconductor handlers, labeling stations, and other space-constrained axes. The motor converts low-voltage DC power into controlled shaft rotation for driving belts, lead screws, or small gear stages in industrial automation. Its integral optical encoder supplies position feedback, allowing the controller to maintain precise velocity and position loops during operation.
The unit is intended to run at a continuous shaft speed of 12,000 rpm while delivering an operating torque of 0.2 Ncm when powered by the recommended 8 V supply. With no mechanical load, the armature draws only 60 mA, keeping idle energy consumption low during dwell periods. A maximum angular acceleration of 5 × 10⁵ rad/s² enables rapid speed changes in response to controller commands. Position sensing is handled by the SKS36S encoder, which communicates through the HIPERFACE protocol and produces 128 lines per revolution with single-turn absolute position feedback. Its measurement step is 2.5 arcseconds, and its absolute error is limited to ±320 arcseconds. These encoder characteristics provide fine measurement resolution for indexing and speed-regulated applications.
A starting torque of 0.3 Ncm overcomes static friction so the connected axis can begin moving promptly. The low rotor inertia of 4.5 g·cm² helps limit overshoot during acceleration and deceleration. Precision bearings have a rated service life of 3.6 × 10⁹ revolutions, supporting prolonged operation before bearing maintenance becomes necessary. The enclosure has an IP50 protection rating, which limits harmful dust ingress while avoiding the additional friction associated with tighter shaft seals. This level of protection is suitable for clean indoor production areas where the motor is not exposed to water. The compact housing, low current draw, and responsive rotor make the motor suitable for small automated axes with limited installation space.
Frequently Asked Questions about GM0250926:
Q: What is the recommended voltage for the GM0250926 motor?
A: The GM0250926 DC motor has a recommended operating voltage of 8 V.
Q: What is the maximum speed of the GM0250926 DC motor?
A: This motor features a maximum operating speed of 12,000 min^-1.
Q: What protection class does the GM0250926 offer?
A: The protection class for this model is rated at IP50.
Q: What encoder model and feedback protocol are used in the GM0250926?
A: The GM0250926 comes with an SKS36S encoder model and uses the HIPERFACE feedback protocol.
Q: What are the starting and operating torque values for the GM0250926 motor?
A: Preload torque for startup is 0.3 Ncm, while nominal operating torque is 0.2 Ncm.
