AL2012-0000-0001 Beckhoff
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The Beckhoff AL2012-0000-0001 is part of the AL Linear Motors series and features a continuous force of 400 Newtons with a peak force of 900 Newtons. This linear servo motor comes with M23 and D-Sub connectors, has a pole pitch of 24 mm, and an air gap of 0.5 mm. It is designed with 12 coils, operates at a continuous current of 4.30 Amps, and does not utilize water cooling.
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Product Description:
The AL2012-0000-0001 is a linear servo motor primary section engineered by Beckhoff within the AL Linear Motors series. It generates direct translational force for carriages in automation platforms, eliminating gear trains and belts so axes can achieve high stiffness and precision. Typical applications include pick-and-place stations, gantries, and packaging equipment that demand precise linear positioning.
For precise force and velocity regulation, the forcer is maintained at a 0.5 mm air gap relative to the magnetic track, minimizing cogging and ensuring repeatability. Under continuous duty, it delivers 400 N of thrust while drawing 4.30 A of phase current; this force-to-current ratio simplifies drive sizing for high-duty-cycle gantries. Short bursts can reach 900 N when the inverter allows a transient current of 13.5 A, providing additional capacity for acceleration phases. The 24 mm pole pitch works with 12 wound coils to generate a sinusoidal field, and the 1700 N attraction force must be considered when selecting guidance bearings. Electrical terminations are provided through M23 power and D-Sub feedback connectors, matching standard cable sets.
Thermal management governs continuous operation; a housing width of 80 mm and the absence of water cooling make convection the primary path for the 300 W of continuous power loss. Heat traverses the copper and laminations with a 0.24 °C/W thermal resistance, so the temperature rise can be estimated quickly during system design. With a thermal time constant of 77 seconds, the forcer reacts predictably to load changes before reaching a steady state. The back EMF constant of 53.74 V/m/s and a phase-to-phase inductance of 54 mH establish voltage requirements and influence current ripple at high switching frequencies. A motor constant of 760 N²/W and a phase resistance of 7.2 Ω further indicate that force production is efficient relative to copper losses, while the normal winding pattern maintains compatibility with standard servo tuning methods.
