Ignitrons were used to control the current in electric welding machines.

He stepped out from behind a welding machine onto the hangar floor.

Later, these converters were further developed into automatic welding machines.

Ultrasonic welding machines also have much more power now.

Modern laser beam welding machines can be grouped into two types.

There are also welding machines in which the electron beam is brought out of vacuum into the atmosphere.

At Westinghouse, he was responsible for the development of magnetic pulse welding machines.

One technological fix for this problem is to fit carousels onto the welding machines.

Ultrasonic welding machines, like most industrial equipment, pose the risk of some hazards.

Now we bob around quite a bit, and every time we have to call a man with a welding machine, we've got a sizable expense.

The cause of the fire was believed to have been due to a welder whose welding machine burst into flames.

He developed a portable cast welding machine on wheels that would earn his share of work in the rail industry.

We have laser guided and robotic welding machines.

Ultrasonic welding machines must receive routine maintenance and inspection.

Steigerwald conceived and developed the first practical electron beam welding machine, which began operation in 1958.

Mr. Shahnazarian had come to buy pumps, welding machines and pressure washers.

He stood in the old part of Building 58, which was now filled with welding machines and a bank of insulation braiders.

Welders used keyhole welding machines rather than traditional welding guns.

Examples of such items include welding machines, hoses, temporary ladders, and scaffolding.

That day, the weather was raining heavily and Ray had reached down to grab the led direct current wire for a welding machine.

Portable stud welding machines are available.

1972: Delivery of first Magnet arc welding machine

The welding machine has a motor-driven spool inside that feeds the wire electrode into the weld.

Other products include railway bridge inspection and repair vehicles and flash-butt welding machines.

Later in 1959, Bacon and his colleagues demonstrated a practical five-kilowatt unit capable of powering a welding machine.