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MPS - Magnetic Pad System
MPS – The latest sanding innovation from BÜTFERING!
Nürnberg sees the introduction of a new generation of pressure pad system which will be integrated within the BÜTFERING SCO / SCR ranges. The new magnetic technology will be known as MPS – Magnetic Pad System, and will be used in all Cross, Combi, Pad and Super Finishing heads.
In contrast to using an air piston to apply pressure, the MPS utilises a magnetic coil or ‘actuator’ to generate sanding force. This enables greater control of the overall system using either PLC or PC, and offers individual force control to each actuator – difficult to obtain with pneumatics.
In addition the sanding process benefits from MPS in several ways. In order to compensate for the abrasive belt tension, each actuator is designed to exert more force the further it extends, and less force when retracted. This, together with an ultra-smooth piston guidance to eliminate the ‘stiction’ effect of air cylinders are critical elements when asking the segmented head to compensate for part thickness variations.
Proportional pressure control at the part edge is easily achieved with the standard 2:1 sensor/actuator package. When parts enter the machine they are scanned and the edge pressure is constantly modified according to whether 1 or 2 edge sensors have been activated. At the front and back of parts, the MPS progressively ‘ramps’ the pressure on and then off to guarantee a uniform sanding result even on the thinnest of veneers and lacquers. As an option a 3:1 sensor/actuator system is also available..
As current trends for superfine surface qualities and high gloss finishes prevail, the new Butfering MPS system is easily up for the challenge!
Dynamic Force Control
Using the PLC it is easy to give individual force control to each actuator – difficult to obtain with pneumatics. In addition, each actuator is designed to exert more force the further it extends, and less force when retracted, this compensates for the abrasive belt tension as the actuator is asked to handle part thickness variations. At the front and back of parts, the MPS progressively ‘ramps’ the pressure on and then off to guarantee a uniform sanding result even on the thinnest of veneers and lacquers.
CUSTOMER USE
- Parts are sanded uniformly without risk of sanding through lacquer or veneer
No ‘slip stick’
Ultra-smooth piston guidance eliminates any ‘stiction’ effect found with air cylinders. This is an important element when asking the segmented head to compensate for part thickness variations.
CUSTOMER USE
- Excellent thickness tolerance compensation and maintenance free actuators
Proportional Pressure Control
Proportional pressure control at the part edge is easily achieved with the standard 2:1 sensor/actuator package. When parts enter the machine they are scanned and the edge pressure is constantly modified according to whether 1 or 2 edge sensors have been activated.
As an option a 3:1 sensor/actuator ration is also available (MPS Plus).
CUSTOMER USE
- Proportional pressure control at the part edge ensures perfect sanding results ‘tip to tip’.
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