by Graham Fry | May 1, 2014 | Job Knowledge
Part 1 of this article, dealt with the methods of determining the weight of deposited weld metal in a joint, enabling the cost of welding consumables to be calculated. This is obviously the first step towards calculating the cost of actually making a welded joint but...
by Graham Fry | May 1, 2014 | Job Knowledge
A previous article from the TWI (number 95), dealt with the methods of determining the weight of deposited weld metal in a joint, enabling the cost of welding consumables to be calculated. This is obviously the first step towards calculating the cost of actually...
by Graham Fry | Mar 1, 2014 | Job Knowledge
Introduction Hot gas welding is a fabrication process for thermoplastic materials. The process uses a stream of heated gas, usually air, to heat and melt both the thermoplastic substrate and the thermoplastic welding rod. The substrate and the rod fuse together to...
by Graham Fry | Mar 1, 2014 | Job Knowledge
Hot gas welding of plastics: Part 1 – The basics Process background Hot gas welding is a fabrication process for thermoplastic materials. The process, invented in the mid 20th century, uses a stream of heated gas, usually air, to heat and melt both the...