General Pattern carry out Ancillary and secondary operations joining parts together on site. Utilising these different methods:

Ultrasonic Assembly
Ultrasonic assembly utilizes an acoustic tool called a horn to transfer vibratory energy through the part to the joint area, where it is converted to heat through friction that melts the plastic. Ultrasonics can be used to join not only rigid thermoplastics, but fabrics and films as well. Click here for demonstration

Linear Vibration
Linear vibration welding employs frictional heat at the joint interface of two mated parts. The heat is generated by moving one part against the other under pressure through a linear displacement in the plane of the joint or amplitude. When a molten state is reached at the joint interface, vibration is stopped. Clamping pressure is maintained briefly while the molten plastic solidifies to form a bond. Click here for demonstration

Hot Plate Welding
Hot plate welding utilizes a temperature controlled heat platen assembly, which is introduced between the two parts to be assembled. All items are brought together, and the melting cycle is started. The parts are melted for a pre-set time to displace enough plastic for surface preparation and to properly heat the subsurface of the joint area. The parts are then separated, and the heat platen is withdrawn. Both halves of the holding fixtures are brought together against stops for the proper amount of seal time and seal depth. Click here for demonstration

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