A tool grinder shapes and finishes metal tools and equipment in a machinist’s shop or factory. They program, operate, and maintain CNC machines, but also do delicate work by hand. They need to be detail-oriented and able to troubleshoot equipment. Training requirements vary, and union membership can be helpful. Experienced tool grinders can become CNC programmers or shift managers, or open their own workshops.
A tool grinder shapes and finishes many types of metal tools, parts, and equipment in a machinist’s shop or specialty factory. Since most tooling is created with the aid of computer numerically controlled (CNC) machines, most modern tool grinders are responsible for programming, operating and maintaining plant equipment. However, some delicate work must still be done by hand, and a tool grinder needs to be an expert at carving, filing, and polishing metal parts with the aid of hand tools. He or she also inspects tooling and finished parts to ensure they were built correctly.
Modern CNC machines are equipped with laser cutters, grinders, polishers, saws and various other specialized parts to produce a quality tool or part. A tool grinder working with CNC machines must be able to understand schematics, blueprints and written instructions to enter program data. When a machine is running, the grinder inspects progress and makes adjustments as necessary. He may also be responsible for cleaning the factory space and preventive maintenance on the machines.
A tool grinder working by hand needs to be detail oriented and persistent. He or she takes precise measurements and uses a variety of tools and techniques to grind, sand, hammer and shape raw materials into finished parts. Some grinders also specialize in repair work, which requires the ability to troubleshoot equipment and identify missing, damaged, or defective parts. After all necessary repairs are made, a grinder will usually test a tool before returning it to the owner.
The requirements for becoming a tool grinder can vary. Some factories will provide on-the-job training for new workers who meet physical standards for the job and have high school diplomas. Others require at least some post-secondary education and experience. A person who wants to work as a tool grinder can enroll in a vocational school or community college program dedicated to the metal trade. At the school, the student has the chance to gain first-hand experience with hand tools and CNC machines.
Many tool grinders are members of regional or national unions. Union membership can be valuable for a new worker as organizations can help with job placement, apprenticeship training and promotion. Skilled tool grinders with several years of experience can become CNC programmers or shift managers in their factories. Some professionals end up opening their own workshops to compete in the sector.
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