Plastic Fabrication DVS Training and Certification Program

Leister US is hosting its annual Plastic Fabrication DVS Training and Certification Program.
Learn from the Plastic Engineering Division Head of the Aachen Chamber of Crafts and Skilled Trades in Germany and get certified in Plastic Welding.

Sign-up now below for one of the following time periods *. Registration is due by 6/26/2023.

Training periods: July 17-21 / July 24-28 / July 31-August 4
Training hours: Monday- Friday 8:30 am – 5:00 pm

* Price
- 1 week of course and 2 certifications included (Extrusion and Speed Welding) - $2400
- Course only - no certifications included - $2000
- Re-certification - Extrusion and/or Speed Welding - $500 each.
* Beverages and Lunches are provided onsite at Leister US each day of class.
** Leister US bears no costs for travel, accommodation, and registration fees.

Payment options: Pay with Visa / MC Amex — CSI (631) 760-1005 to submit payment. Payment is due in full upon registration.


Theoretical Course Contents
• Application and economic development
• Structure of Plastics
• Physics of Plastic Material Properties
• Melt mass flow rate
• Overview of plastic welding processes
• Welding of Plastics in general
• Heated tool butt welding
• Heated socket welding
• Electrofusion welding
• Extrusion welding
• Weld testing
• Weld symbols
• Reports

Practical Course Contents
High-speed nozzle welding
• Proper setup
• Welding temperatures for different materials
• Appearance of good welding
• Exercise welding
• Welding of test specimens
Extrusion welding
• Welding machine setup
• Influence of humidity, plastic, and air temperature
• Extrusion welding of V- seams
• Extrusion welding of fillet welds
• Optimizing weld parameters
• Appearance of good welding