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A forming press, commonly shortened to press, is a machine tool that changes the shape of a work-piece by the application of pressure. [1] The operator of a forming press is known as a press-tool setter, often shortened to tool-setter. Presses can be classified according to their mechanism: hydraulic, mechanical, pneumatic;
1917 press room, using a line shaft power system. At right are several small platen jobbing presses, at left, a cylinder press.. With the advent of the Industrial Revolution and industrial mechanisation, inking was carried out by rollers that passed over the face of the type, then moved out of the way onto an ink plate to pick up a fresh film of ink for the next sheet.
Punch presses are usually referred to by their tonnage and table size. In a production environment a 30-ton press is mostly the machine used today. The tonnage needed to cut and form the material is well known, so sizing tooling for a specific job is a fairly straightforward task.
When the operator judges that the line is close enough to full (some machines have an attached bell to accomplish the same thing), he raises the casting lever on the bottom of the keyboard to send the line to the casting section of the linotype machine. The remaining processing for that line is automatic; as soon as the finished line has been ...
An operator is a professional designation used in various industries, including broadcasting (in television and radio), computing, power generation and transmission, customer service, physics, and construction.
A switch let the operator select which program to use. The central cover on the keypunch could be tilted open toward the operator and a locking lever released, allowing the program drum to be removed and replaced. The program card was punched with characters that controlled its function as follows: