World Leader in Plasma Cutting Technology
Professors James Browning and Merle Thorpe of the Thayer School of Engineering at Dartmouth
College, Hanover, NH., incorporated Thermal Dynamics in 1957. The two men had developed a
high - temperature electric - arc metallizing torch that led to the development of a plasma torch.
The fledgling company was housed in a garage in nearby Wilder, VT. In 1960, Thermal Dynamics
relocated to a plant in Lebanon, NH. By this time, company sales had grown to about $1 million,
largely in the areas of plasma - spraying and plasma - cutting equipment. The company designed
and built several very - high - power research systems for the NASA space program; these systems
were used to simulate re - entry conditions for Project Mercury and other space programs.
Covering the full range of plasma - cutting applications
In 1968, Professor Browning sold his interest in the company to a group of investors headed by Bradley
Dewey Jr., who became chairman and C.E.O. Under Dewey’s guidance, Thermal Dynamics concen-
trated its efforts on plasma - cutting and welding equipment. The company introduced progressively
smaller and easier to operate plasma - cutting systems to an eager market; the first system, introduced in
1970, was the PAK 40, a 400 - amp cutting system. Other key product introductions included the PAK
20, a “Low Amp” plasma cutting system produced in 1972 that brought affordability and portability to
the industry. The PAK 10, introduced in 1977, was the first plasma - cutting system that did not require
water cooling for the torch. In 1977, the Pacific Lumber Company (Palco) acquired Thermal Dynamics.
The company continued to pioneer the trend toward smaller, easier to run, reliable plasma - cutting
equipment. Thermadyne then acquired the company in 1987.
Today, Thermal’s innovative and performance proven products are the plasma cutting systems of choice
for hand held or automated cutting needs. Thermal plasma arc cutting systems can be used to cut
virtually any material, light gauge to 4" (9.6 cm) thick, and range from highly portable 110V units for
HVAC work to the most sophisticated high speed, high definition plasma cutting systems for precision
fabrication. Thermal Dynamics manufacturing operations remain headquartered in West Lebanon, NH.
Thermal Dynamics is an ISO 9001 registered company.
How to contact us:
· Call us: 603-298-5711
· E-mail info: TDCSales@Thermadyne.com
· Write: Thermal Dynamics Corp., 82 Benning Street, West Lebanon, NH 03784
· Fax: 603-298-5720
· Thermal Dynamics website: www.Thermal-Dynamics.com
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