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Worthington Industries was founded in 1955 by John H. McConnell, a steel salesman. McConnell saw an opportunity for custom-processed steel and purchased his first load of steel by borrowing $600 against his 1952 Oldsmobile. He founded the company in Columbus, Ohio, where it is still headquartered.
In 1878, Jeffrey partnered with F.C. Sessions to purchase the patent and other rights to the coal cutting machine from Lechner, and they formed the Lechner Mining Machine Company to produce it. [3] The Lechner machine used a chain drive for the coal cutting heads and was the first practical coal cutter.
A 16-foot-high (4.9 m) fountain sculpture entitled "ASM Singularity," made from copper, titanium, and stainless steel created by Eric Orr was added as well. [2] [8] On the cover of ASM International's 1999 annual report it states: "In mathematical terms, singularity is the point of a curve at which dramatic changes take place." [8] [10]
Hand-held torches can usually cut up to 38 mm (1.5 in) thick steel plate, and stronger computer-controlled torches can cut steel up to 150 mm (6 in) thick. [citation needed] Since plasma cutters produce a very hot and very localized "cone" to cut with, they are extremely useful for cutting sheet metal in curved or angled shapes.
Products include wood composite decking and railing, exterior cladding products, vinyl fencing, OEM PVC profiles, wood doors and door-frames, and vinyl sheet piling. The group also has several service units in the roofing, security gate systems, and steel I-beam markets.
Cutting tool materials must be harder than the material which is to be cut, and the tool must be able to withstand the heat and force generated in the metal-cutting process. Also, the tool must have a specific geometry, with clearance angles designed so that the cutting edge can contact the workpiece without the rest of the tool dragging on the ...
Grinding is a subset of cutting, as grinding is a true metal-cutting process. Each grain of abrasive functions as a microscopic single-point cutting edge (although of high negative rake angle), and shears a tiny chip that is analogous to what would conventionally be called a "cut" chip (turning, milling, drilling, tapping, etc.) [citation needed].
Abrasive cut-off saws, also known as chop saws, are similar to miter saws but have a steel-cutting abrasive disks. Cutting torches can cut large sections of steel with little effort. Burn tables are CNC (computer-operated) cutting torches, usually powered by natural gas. Plasma and laser cutting tables, and water jet cutters, are also common ...
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