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Beckwood's Heated Platen Hydraulic Presses are designed to meet the needs of the individual customer's application. Press size, tonnage, cycle parameters, heat specifications, and the level of control sophistication are all designed to maximize the customer's manufacturing process. Beckwood's heated platen hydraulic presses are engineered to dwell under pressure, providing a tight fluctuation of the holding force throughout the cycle.
Control options include Beckwood's Productivity Package, which features programmable cycle parameters, job storage & recipe handling capability. Operators have the ability to program and save pressure & position values, termperature specifications including controlled ramp-up and cool-down rates, desired dwell time and bump sequences for the timed release of gases which can build up during the thermoforming process.
Temperature accuracy can be controlled with a basic single-zone controller or a more accurate multiple zone system for increased temperature uniformity across the bed and ram.
Additional heated platen press features offered by Beckwood include:
Many components traditionally fabricated from metals are now being made from composites. Compression molding is a method for molding material, often using controlled temperatures to cure the material while under pressure. The material can be placed within a pre-heated mold cavity before it is closed between the temperature-controlled platens - which can act as the primary heat source or as a supplement to heated molds. Once closed, temperature and pressure can be precisely controlled until the material is properly cured.
Compression molding is the main process for thermoset resins in a partially cured stage. It is a high-pressure process for molding complex, high-strength fiberglass reinforcements, among many other composite materials. Advanced composite thermoplastics can also be compression molded, resulting in fewer knit lines and less fiber-length degradation than injection molding.
A large majority of compression molding applications require large bed sizes but comparatively low tonnage. Beckwood's ability to offer custom hydraulic press designs assures that the customer purchase only the press capacity and specifications they require, versus settling for a standard press which comes 'close' to their required specifications.
Several heating methods are available per the customer's application requirements. These methods include: electric heating rods, steam/hot water, and hot oil. The optimal choice is contingent upon each customer's specific application requirements.
Electric Heating Rods
Steam/Hot Water Systems
Hot Oil Systems
Click here for a sample of Beckwood's heated platen press examples.