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The ESAB 0156728010 is a specialized 12V DC motor equipped with an integrated tachometer, designed specifically for the MEH44 wire feed mechanism found in various ESAB welding power sources and wire feeders. In industrial maintenance and repair operations (MRO), using genuine OEM components is critical for maintaining the reliability and calibration of welding equipment. This motor serves as the heart of the wire drive system, converting electrical control signals into mechanical torque to push welding wire through the liner and contact tip.
The inclusion of a tachometer (tacho) generator is a key technical feature of this component. In sophisticated welding machines, the control board requires real-time feedback on the motor's rotational speed to maintain a constant wire feed rate (WFR) regardless of load variations. Load variations can occur due to cable bends, liner friction, or contact tip resistance. The tachometer sends a voltage or frequency signal back to the controller, allowing the system to adjust power to the motor instantly. This closed-loop control system ensures that the deposition rate remains stable, which is essential for meeting welding procedure specifications (WPS) and achieving high-quality weld defects.
Procurement officers and maintenance managers should verify the specific wire feed unit model (MEH44) before ordering. This 12V variant is distinct from 24V or 42V motors used in other assemblies. Replacing a failing motor with this genuine ESAB part (0156728010) restores the machine's ability to handle various wire diameters and types without slippage or speed fluctuation, thereby reducing downtime and rework costs associated with feeding issues.
| Additional Information |
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| Packaging Description:1 Per Ea, pack of 1 |
| Voltage:12V |
| Component Type:Wire Feed Motor |
| Features:Integrated Tachometer |
