Trends in the Welder Trade
Technology, Tools and Equipment
Modern tools are well engineered with ergonomics and safety in mind. Cordless (self-contained power supply) welding machines have been developed and are being introduced to the market allowing for various sources of battery power.
There are increases in the use of computerized welding equipment, especially programmable welding stations with multiple integrated processes. Advanced user interfaces and software updates allow for finer adjustments and user control. They decrease user error by ensuring pre set parameters are followed.
With the industry being more and more automated and streamlined, welders are required to have an increased comfort in working with technology.
Robotics and automated welding are being used for a greater variety of applications such as large scale manufacturing as they become more affordable and smaller in size.
AC aluminum pulse gas metal arc welding (GMAW) has features that are not available with DC GMAW welding. This process allows for increased travel speed and deposition rates, improves gap bridging and reduces chance of burn through.
Products/Materials
Having a good understanding of the various classifications of steel and consumables is becoming more important than ever. Demand is increasing for the welding of stainless steel and aluminum, among others. More ornamental metals are being used.
Health and Safety
Various studies have shown hazards related to the exposure to carcinogens in a variety of welding products such as grinding discs.
With more alloy work, there is a greater need for respiratory and ventilation controls. There is a better understanding today of the effects of hexavalent chrome and manganese and the potential risk to human organs and as a result, control of welding fumes is more stringent. There are improved breathing protection masks and full respirators. Increasingly, welders are using helmets (such as PAPR) that have a filtered air supply. Workplaces have seen improvements in fume extraction techniques and systems.
To address health and safety issues, specific personnel are appointed and trained to support employees. Training such as confined space work, work at heights, WHMIS and overhead crane operation are now part of the training that most welders must have.
Environmental
There are number of environmental hazards and issues that are important in welding. Awareness of these hazards and how to mitigate and prevent them are often at the project management level of work, but the welding community should also be a part of efforts to improve practices. For example, there needs to be improved awareness of harmful emissions produced through consumables and how to manage disposal of rods/wire and emitted gases. Increasingly, clients are requesting site-specific and corporate plans and actions.
Legislative and Regulatory
There have been revisions and evolution in legislation and regulations regarding the transport, use and safe storage of compressed gases and their containment cylinders. For welders who also have to go to the construction site, they must be up-to-date on training and certifications required in the field.
The industry is heavily regulated regarding the scope of work. More and more, small welding shops need to employ project management employees knowledgeable in a multitude of legislative and regulatory mandates.