is a 50 W High Inertia AC servo motor from the MINAS A6 series that includes a built-in electromagnetic holding brake. It is designed for applications where stability and safety on vertical axes are critical, preventing the load from falling when power is disconnected.
Core Functions
Safe Vertical Holding: The primary function of the integrated brake is to lock the motor shaft in place during power failures or emergency stops. This is essential for preventing gravity from moving mechanical parts in vertical installations.
Stable High-Mass Control: As a high-inertia motor, it provides smoother control for heavier mechanical components (like large lead screws) by reducing oscillations that low-inertia motors might experience.
High-Resolution Feedback: It features a 23-bit absolute encoder, providing 8,388,608 pulses per revolution for extreme precision and the ability to maintain position data without a battery-backed "homing" sequence.
Technical Specifications.
Feature
Specification
Rated Output
50 W
Rated Torque
0.16 Nm
Rated Speed
3000 RPM (Max 6000 RPM)
Brake Status
With Holding Brake
Inertia Type
High Inertia
Encoder Type
23-bit Absolute
Protection Class
IP65 (Standard) / IP67 (Connector type)
Flange Size
40 mm sq.
Input Voltage
200 V (1-Phase/3-Phase)
Physical Dimensions & Weight (Imperial)
Weight: ~2.43 lbs (1.1 kg).
Width/Height: ~1.57 inches (40 mm).
Length (Excluding Shaft): Approximately ~3.98 inches (101 mm) including the brake section.
Feautures
The Panasonic MHMF5AZL1V2M is a premium High Inertia motor from the MINAS A6 series. Its features are specifically designed to combine the safety of a mechanical brake with the extreme precision of the A6 technology.
Key Features
Integrated Electromagnetic Brake: The "V" in the part number signifies a built-in brake. This is a "fail-safe" featureit locks the shaft automatically when power is removed, making it essential for vertical axes (Z-axes) to prevent the machine head from crashing.
High Inertia Rotor: Unlike the MSMF "Low Inertia" models, this motor has a heavier internal rotor. This provides superior stability when moving loads with high mass or friction, as it prevents the motor from "jittering" or overshooting its target.
23-bit Absolute Encoder: It features a world-class resolution of 8,388,608 pulses per revolution. This allows for microscopic movement control and incredibly smooth rotation even at speeds as low as 1 RPM.
Homing-Free Design: Because it uses an Absolute Encoder, the motor "remembers" its physical position even if you unplug it. You don't need to perform a "home search" or hit limit switches every time you turn the machine on.
IP65/IP67 Protection: It comes standard with IP65 dust and water-jet protection. It also features a high-grade oil seal with a protective lip to keep cutting fluids and lubricants out of the motor internals.
Reduced Cogging: The A6 series has a specialized motor structure that reduces "cogging torque" by up to 25% compared to older models. This results in much smoother surface finishes if used in light milling or 3D printing.
Ultra-Compact 40mm Frame: Even with the added brake and high-inertia design, it maintains a tiny 1.57-inch square footprint, allowing it to fit into very tight mechanical assemblies.
Quick Specs Reminder
Torque: 0.16 Nm
Max Speed: 6000 RPM
Brake Power: 24V DC (required to release the brake)
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