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Hot Plate Welding Machine

Hot Plate Welding Machine

Hot plate welding, also called heated tool welding. Hot plate welding can be used to join some combinations of dissimilar thermoplastics. Typically, semi-crystalline plastics are only compatible with semi-crystalline plastics, and amorphous plastics are only compatible with amorphous plastics. If the plastics have the same melting point and melt viscosity, conventional or high-temperature hot plate welding can be used. With different melting points or different viscosities, dual hot plates should be used, with each hot plate set to a different temperature. Common thermoplastic combinations include.
ABS – PMMA
ABS – PC
ABS – SAN
PMMA – PC + ABS
PC – PC + ABS
Hot Plate Welding Machine
Production Applications
One major industry using hot plate welding is the automotive sector.

Tail light housings made of ABS are joined with lenses made of either PMMA or PC using a modified butt joint.

ABS and PMMA have similar melting temperatures and can be welded using a single hot plate, while ABS and PC requires dual hot plates due to PC's higher melting temperature.

The cases and lids of automotive batteries are made of thin PP copolymers, which have low melt viscosity. High-temperature hot plate welding is used on butt joints with flash covers.

Technical Specifications

Model Hot Plate Welding
Power 2000W 4000W
Input Voltage AC380V AC380V
Welding Capability(MM) Ø250X200 Ø400X250