Plastics equipment at TWI
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TWI's team of plastics joining experts - consisting of experienced professional scientists, engineers and technical staff - is backed by extensive laboratory facilities and the total resources of TWI. The organisation has the knowhow to help at any stage - from initial design, materials selection, production and quality assurance, through to service performance and repair. TWI has an extensive range of state-of-the-art welding equipment together with up to date facilities for mechanical testing and analysis of joints in plastics materials. |
TWI Industrial Member companies may call on the facilities and expertise at TWI for welding trials and advice on joint design and process selection.
Equipment |
Manufacturer |
| Dielectric welding | Radyne Model 18CW (13.5MHz)
Radyne 1.5kW, 27.12MHz |
| Extrusion welding | Fusion Technology, Leister Weldmax and Munsch (SKR and UKR) welding guns
Drader Injectiweld guns Exploweld purpose-built forced mixed extrusion welding gun |
| Heat staking | Phasa 10/30 hot air staker |
| Hot bar/impulse welding | Hulme Martin bag sealers
TWI purpose-built hot bar welder |
| Hot gas welding | Forstoff, Goodburn, Leister, Ditzler and Wegener welding torches
Forstoff 4-torch blower Leister X84 sheet welder |
| Hot plate welding | Bielomatik Model HV4602
Fusion Provida BF315 automatic pipe butt fusion machine Gawaplast SG160 combined pipe butt/socket fusion machine Gawaplast SM630 pipe butt fusion machine Ritmo Media 250 manual pipe butt fusion machine Ritmo manual socket fusion equipment |
| Induction welding | Cheltenham Induction Heating 1000W power supply
MacGregor 3kW power supply Radyne 6kW power supply |
| Infrared welding | Agru SP110
Bielmatik/Heraeus Noblelight purpose-built IR lamp welding machine |
| Laser welding | Laserline 300W dual wavelength (808 and 940nm) diode laser
Laserline 500W fibre delivered diode laser (940 nm) GSI Lumonics 550W JK701 Nd:YAG pulsed laser (1064nm) Spectron 804T Q-switched quadrupled (266, 355, 532, 1064nm) Nd:YAG laser Synrad 50W scanning CO 2 laser IPG 7kW rare-earth doped fibre laser (1070nm) |
| Microwave welding | TWI purpose-built machine (multi-mode, 2.45GHz) |
| Resistive implant welding | MCA Calder electrofusion control box
PF digimatic electrofusion control box |
| Spin welding | Herfurth Type SW63/100
Mecasonic Type 27 |
| Ultrasonic welding | Branson Model 921aes (20kHz, 2000W)
Mecasonic Type 3010 Herfurth hand-held gun (40kHz) FFR Ultrasonics Model 8604T horn tuners |
| Vibration welding | Bielomatik Model K3215 (180-240Hz) |
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Information and advice from TWI and its partners are provided in good faith and based, where appropriate, on the best engineering knowledge available at the time and incorporated into TWI's website in accordance with TWI's ISO 9001:2000 accredited status. No warranty expressed or implied is given regarding the results or effects of applying information or advice obtained from the website, nor is any responsibility accepted for any consequential loss or damage.
