Category : Electric DC motor, linear motor, stepper motor, transmission, drives & control, cylinder, gearbox > Drives

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The 3-phase Synchronous Linear Servomotors AL2400 expand the smaller performance product range. These Linear Servomotors are particularly suitable for tight installation situations. The primary section contains a grooved, laminated core with inlaid copper windings. It is generally used as the moving part. The secondary section contains the steel plate to which the permanent magnets are fixed.
The AL2400 series consists of two different motors, all having exactly the same width of 50 mm. This means that all the motors can be operated using the same magnetic plates. There are three different lengths of magnetic plates, and they can be combined in any desired way. They are supplied together with a stainless steel cover which provides unbroken protection over the whole travel distance. The benefit of this is that the unbroken surface prevents metal chips getting trapped in the joints between the magnet plates.
The primary sections are potted, satisfy protection class IP 64, and are therefore suitable for use in aggressive environment. Primary sections are fitted with a 0.5 m cable bundle and pre-assembled connectors, so that they can be quickly connected to the servo drive via plugged connections. This greatly reduces the difficulty of implementing the cabling, and makes a significant contribution to avoiding errors.
In combination with the servo drives AX2000 or AX2500, the AL2xxx series linear motors are particularly suitable for dynamic movements where high acceleration is required over short distances.
All linear motors of the series AL2xxx have the same magnet pitch (24 mm).
The motor connection is compatible with the other types of the AL2xxx series.

Features:
- speeds of up to 8 m/s
- accelerations up to 30 g
- peak forces of 120 N to 240 N
- no mechanical wear
- complete absence of free play, giving stiff control response
- extremely precise positioning, high repeatability
- even, immediate force, little latching force
- very low thermal resistance, allowing high capacity utilisation
- operation alternatively with or without water cooling possible
- protection from thermal overload through integrated temperature sensors
- operation with the AX2000/AX2500 is made extremely simple through default values
- connection to the AX2000/AX2500 through pre-assembled cables

Scaleless feedback system for linear motors
The MES system registers the magnetic field of the permanent magnets of the magnet plate and sends, with the aid of built-in electronics, encoder signals for commutation and speed&position control to the AX2000/AX2500 series servo drive. The measuring system provides one sinusoidal oscillation per logical motor revolution. A logical motor revolution corresponds to the distance between two homopolar magnets, i.e. for example between two north poles.

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