Z Control:
Minimum Clamping Molding (MCM) SystemPrecision clamp force detection and the feedback control capabilities of the Minimum Clamping Molding (MCM) System determine the minimum force required at mold touch. Using this system can avoid excessive clamp force which can result in mold deformation and poor release of gases.
The MCM also works together with the machine’s Clamp Force Correcting System to compensate for the thermal expansion of the mold. This feedback system uses a uses a sensor mounted on the tie bar (strain gauge that measures actual clamp tonnage) and a high precision rotary encoder to keep clamping force constantly stable, even at low clamp force settings.
The ability to mold at lower clamp force provides numerous advantages:
- Improved release of gases helps avoid burn spots and short shots
- Less trapped gases also reduces the frequency for mold maintenance
- Lower clamp force can also reduce power consumption, improve cycle time and in some cases allow molds to be run on lower tonnage machines
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