CTM22NLS19NAA00 Kollmorgen
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The Kollmorgen CTM22NLS19NAA00 is a stepper motor from the CT Stepper Motors series, designed with a frame size of 23 (5.7 cm) and a stack length of 2. It delivers a bipolar motor torque of 3.32 N-m, operates at a rated voltage of 6.4 VDC, and has a phase current of 1.9 amps. The motor supports a maximum axial shaft load of 50 lbs in both directions and features a NEMA through holes mounting style with a net weight of 1.13 kilograms.
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Product Description:
The CTM22NLS19NAA00 is a stepper motor manufactured by Kollmorgen within the CT Stepper Motors series for open-loop positioning in industrial equipment. Positioned in the Cool Torque Maximum Series subgroup, it supplies high static torque for axes that advance in fixed increments. The unit translates command pulses from a matched drive into controlled rotary steps used by conveyors, dispensers, and compact machine tools.
Internally, the rotor-stator geometry yields a 1.8° step angle, so the shaft advances 200 positions per electrical revolution, and this resolution aids indexers that do not use encoders. The CTM winding provides 3.32 N-m holding torque, while 0.16 N-m detent torque stabilizes the rotor when power is removed. A Size 23 frame that is 84.3 mm long and uses two lamination stacks fits into tight machine spaces yet retains magnetic path length for torque production. Electrical limits include a phase current of 1.9 A, a resistance of 3.39 Ω, and an inductance of 5.9 mH, a combination chosen to balance copper loss and current rise time. Rotor inertia of 0.48 kg-cm² limits overshoot during rapid reversals, and the Enhanced Series characteristic indicates that the thermal design and winding pattern are optimized to boost torque and efficiency.
Mechanical loading limits complement the electrical ratings. The shaft tolerates 50 lbs (23 kg) axially and 20 lbs (9 kg) radially at the center, allowing direct-coupled pulleys or lead screws. A rated supply of 6.4 VDC matches the winding resistance for full torque without excessive I²R heating, and the thermal path to ambient is characterized by 2.62 °C/W. Six pre-tinned leads simplify series or parallel phase wiring, and the housing mounts through standardized NEMA through-holes. A round 6.35 mm smooth shaft avoids key-seat stress points, while rear extensions are omitted to reduce length. Dielectric integrity is supported by 100 Megohms of insulation resistance at 340 VDC test voltage. Net mass of 1.13 kg and the specified connection count support gantry carriages where weight and cable routing matter.
Frequently Asked Questions about CTM22NLS19NAA00:
Q: What is the maximum axial shaft load for the CTM22NLS19NAA00?
A: The CTM22NLS19NAA00 stepper motor supports an axial shaft load of up to 50 lbs (23 kg) in both directions.
Q: What is the bipolar torque output of the CTM22NLS19NAA00 stepper motor?
A: This motor provides a bipolar torque of 3.32 N-m for the CTM variant.
Q: What type and size of shaft does the CTM22NLS19NAA00 have?
A: The CTM22NLS19NAA00 uses a smooth round shaft with a diameter of 6.35 mm.
Q: How many steps per revolution does the CTM22NLS19NAA00 provide?
A: This model offers 200 steps per revolution with a step angle of 1.8°.
Q: What mounting style is used on the CTM22NLS19NAA00 motor?
A: The CTM22NLS19NAA00 features NEMA through holes for mounting.
