What is Pressure Thermoforming?

What is Pressure Thermoforming?
Pressure thermoforming is a plastic thermoforming manufacturing technique within the broader term of the plastic thermoforming process. In pressure forming a 2 dimensional thermoplastic sheet material is heated to a forming optimal temperature and then positioned over a custom mold or tool. Positive pressure is then applied above the heated sheet, pressing the material into the surface of a mold to create the desired 3-dimensional part shape.
Pressure forming pushes the plastic down into the underbelly of the mold using high air pressure. In pressure forming, the machine used to hold the plastic molds in place will make sure the material is heated to the correct temperature for proper pliability.

How it Works?
The force used in pressure forming is air pressure. This force pushes the plastic against the heated mold. Pressure forming can use more than triple the amount of air pressure than vacuum forming. This extra air pressure allows the heated plastic to better adhere to the mold in the thermoforming machine, leading to quality edges. Pressure forming, the heat is able to transfer to the plastic faster, reducing the amount of time it takes to complete the thermoforming process. Pressure Forming uses resources very efficiently and applies less stress to the product and machinery than injection molding.

Some of the common thermoplastic materials utilized in pressure forming are:
Industry Standard Compliance: – UL 94 V-0, FAR 25.853 (a) and (d), FMVSS 302, and many more
ABS – Broad spectrum of resins used across a number of applications. Can be formulated to meet UL flammability standards.
PC/ABS – Alloy delivers UL approval in addition to high impact performance.
HDPE – Cost effective material for industrial applications requiring high impact strength.
TPO – High impact material delivering performance in cold and high heat applications.
HIPS – Low cost resin used in many POP applications requiring excellent forming characteristics.
PVC/Acrylic – Widely used resin in micro-processor based equipment housings. Meets most stringent UL standards for flammability and can be made in wide range of colors and textures.

Benefits of Pressure Forming Plastic:
The benefits of pressure forming plastic pieces are the ability of the thermoforming machines to output products with better components, sharper edges, and higher quality composition. Pressure forming can use more than triple the amount of air pressure than vacuum forming, allowing the heated plastic to better adhere to the mold in the thermoforming machine.
Automatic Pressure Air Forming Machine provides the same quality edges of an injection molded product while using resources more efficiently and applying less stress to the product and machinery. Due to the increased air pressure pushing the plastic against the heated mold, the heat is able to transfer to the plastic faster and reduce the amount of time it takes to complete the pressure forming process.

GTMSMART PLC Pressure Thermoforming Machine With Three Stations ​Mainly for the production of variety plastic containers ( egg tray, fruit container, food container, package containers, etc) with thermoplastic sheets, such as PP,APET, PS, PVC, EPS, OPS, PEEK, PLA, CPET,etc.