Servo Spin welder models SW750, SW850 and SW900

Request Information

The PAS Model SW 750, SW 850, SW900 and SW 950 Spin Welding Systems offer the highest level of machine control in the industry to date. PAS couples new servo control technology with years of experience to bring to market the most advanced line of spin welding equipment. Dual servo control in both the spin axis and the z-axis allow for precise control of your spin welding applications. Our complete line offers end users the ability to run small, medium and large parts and applications that require high precision and repeatability The SW 750, 850, 900 and 950 can be used as stand alone pieces of equipment or coupled with other automation technologies to meet your part volumes.

Spin welding is used to join two plastic parts which are spherical or cylindrical in shape. Frictional heat is generated at the mating surface by spinning one part (upper) against a fixtured (lower) part, thus welding the assembly together. Spin welding is a fast process that works with large and small diameter parts as well as a broad range of thermoplastic resins. Hermetic seals are achievable.

PAS combines new servo control technology with years of experience to bring the most advanced line of thermal assembly equipment to market.


  • Dual servo driven (spin and z-axis )
  • Rolled ball screw
  • Z-axis control adjustable in . 001” increments
  • Spin control +/- 1 degree
  • Multiple welding setups: by rotation, distance, or torque
  • Spin welding speeds adjustable in 1 RPM increments
  • Spin welding speeds 1-5000 RPM
  • Z-axis speeds adjustable in . 100” inches per minute increments
  • Multiple speeds / feeds and distances per each weld cycle
  • Multiple job storage 1-999 jobs
  • Adjustable head home position allows for lowered start position to increase production
  • Dual linear rails with four linear carriages
  • Steel ground machine column
  • 20” to 36” machine travel to accept long parts
    ( longer strokes available )
  • SW750 / SW850 / SW900 actuator heads can be easily mounted into automation and can be mounted in any axis
  • Microprocessor based hardware with touch screen display
  • Zero force Opto touch palm buttons
  • Blanchard ground work table with locking casters
  • Integrated machine controls with no mechanical adjustments
  • Vacuum head


  • Automation remote actuation cables
  • Part presence detection
  • Light curtain actuation
  • Automatic part ejection station
  • Vision system part detection
  • Rotary, Pallet, Under/Over Conveyer integration and systems available

Download Data Sheet