Compression Molding

This 400 ton press is used to mold SMC into electrical cabinets. Electronic speed control allows for an adjustable pressing speed as well as intermediate and rapid close and open speeds. The Greenerd Press Control allows for both press and mold functions to be programmed and stored. Typical mold functions include initiation and pressure setting for hydraulic actuators within the mold.

This 300 ton press utilizes a pre-fill hydraulic system to provide rapid advance and return speeds of 700+ ipm for the large platen. The press’ industrial computer controls in-die process parameters as well as press performance. Ethernet connectivity enables Greenerd to monitor press performance from 2000 miles away. We helped this customer to increase output by 33% within the first 30 days after installation.

This small four post press is equipped with heated platens. During the molding process, the temperature of the platens is monitored in twelve distinct heating zones. Heaters imbedded in the platen are modulated to quickly and accurately maintain an even heat across the entire platen. Thermal transfer FEA was performed during the design process to place the heaters and thermocouples in the optimum places to have the best heating characteristics.

This unique press is used to mold metal tape under an extensive dwell and pressure cycle. The 400 ton Gib-guided design will withstand an extreme, off-center load of up to 200 tons 33″ off-center while maintaining parallelism of 0.015″. This press is used to produce a mission-critical component for a military defense contractor. Greenerd was one of only two builders that would quote these extreme specifications.