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Finally, the core is lightly coated with graphite, silica, or mica to give a smoother surface finish and greater resistance to heat. [2] Single-piece cores do not need to be assembled because they are made in a split core box. A split core box, like it sounds, is made of two halves and has at least one hole for sand to be introduced.
The term moldmaker may also be used to describe workers employed in fabricating dies and metal moulds for use in injection molding and die-casting, such as in the plastics, rubber or ceramics industries, in which case it is sometimes regarded as a branch of the trade of toolmaker. [2]
A job description or JD is a written narrative that describes the general tasks, or other related duties, and responsibilities of a position. It may specify the functionary to whom the position reports, specifications such as the qualifications or skills needed by the person in the job, information about the equipment, tools and work aids used, working conditions, physical demands, and a ...
Core back plate—It holds the core insert in place and acts as a "stiffener". It is usually made of mild steel. Guide pillar and guide bushing — The guide pillar and guide bush align the fixed and moving halves of a mold in each cycle. The material cases are usually made of medium carbon steel and will have higher hardness.
Some titles reflect further development of machinist skills such as tool and die maker, patternmaker, mold maker, programmer, and operator. A machinist is one who is called on to fix a problem with a part or to create a new one using metals, plastics, or rarely, wood. Depending on the company, a machinist can be any or all of the titles listed ...
The Amalgamated Society of Core Makers of Great Britain and Ireland (ASC) was a trade union representing foundry workers in the United Kingdom.. The union was founded in 1902 by a large number of local unions, with a total membership of less than 1,000.
Working from engineering drawings developed by the toolmaker, engineers or technologists, tool makers lay out the design on the raw material (usually metal), then cut it to size and shape using manually controlled machine tools (such as lathes, milling machines, grinding machines, and jig grinders), power tools (such as die grinders and rotary tools), and hand tools (such as files and honing ...
The core job of a Machinist's Mate is the engine room. A mechanic's job in the engine room is to operate the steam plant that provides propulsion, electric power (along with Electrician's Mates), potable water, and service steam to the ship. Machinist's Mates operate the boilers that generate the steam and use it to operate main engine ...