Molding Presses

Molding

After over 170 years in the industry, Williams, White & Company has gained extensive expertise in thermoplastic and thermoset compression molding, encompassing a wide range of applications, from automobile components to bathtubs. If you have a molding requirement, we have the experience to design, engineer and build a custom solution to meet your needs. 

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molding-system

4000 Ton Molding Press

180″x144″Die Space
153″Daylight
118″Stroke

What Is a Molding Press?

A molding press uses controlled heat and hydraulic pressure to shape materials into a matched metal mold. The heat also serves to cure the material. We offer bulk molding compound (BMC), thermoset, thermoplastic, and sheet molding compound (SMC) presses for various materials commonly used in these processes. 

Williams, White & Company offers various features to enhance the molding process. For example, in-mold coating or interfacing enables you to apply a coating during the molding process, consolidating steps. Other features include recipe storage to save complete parameter sets based on part number and vacuum systems that evacuate the mold cavity before closing. 

What Are the Advantages of a Hydraulic Molding Press?

Hydraulic molding presses offer high force with fine process control. You can precisely adjust heat, pressure and speed to create quality, smooth surfaces and clean details. These machines also support repeatability, with a consistent force applied each time, ensuring that every part turns out the same. Hydraulic molding presses can handle large molds and heavy materials, enabling them to serve a wide range of applications. They also feature heavy-duty frames, promoting a long service life. 

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Our Solutions at Williams, White & Company

We design, engineer and build various types of molding presses, including column, housing, one-piece and side plate models. These press systems serve various molding tasks, including:

  • Compression molding presses: Heated platens and a high clamping force press various materials into matched metal molds until cured. 
  • RIM/SRIM presses and clamps: Reaction injection molding (RIM) mixes thermoset components, then injects them into a closed mold, where they react and cure. Structural reaction injection molding (SRIM) achieves the same result, but with the added benefit of structural reinforcement. 
  • Injection/compression presses: In these setups, the press injects material into a partially open mold, which then presses to create the final thickness. 
  • Structural foam presses and systems: These hydraulic presses mold thermoplastics containing blowing agents using controlled clamp and thermal profiles. The result is a cellular core with a solid skin.
  • Laminating and bonding: Heat and uniform pressure combine to bond multiple layers into a consolidated laminate or assembly.

Unique Features

  • Diagnostics
  • Integrated In-Die Core Circuits
  • Integrated In-Die Ejector Circuits
  • Leveling
  • Hydro-Static
  • Intelligent Servo
  • Long Platen Guiding
  • Low Bed Deflection
  • Part Handling Systems
  • Platen Booking
  • Platen Insulation
  • Quick Die Change Systems
  • Rolling Bolsters
  • Service Platform
  • Tool Mounting Arrangements
  • Wear Plates
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  • In-Mold Coating/Interfacing
  • Mold Set-Up Modes of Operation
  • Mold Temperature Controls
  • Pressure Profiling
  • Recipe Storage
  • SPC Analysis
  • Vacuum Systems
  • Velocity Profiling
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Applications

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A Reliable Hydraulic Press Provider

Here are a few reasons we stand out:

Build a Molding Press With Us

We’ll help you design a hydraulic press to meet your production needs, from laminating to compression molding machines. Get in touch to discuss our capabilities.

Contact Us Today