Grinding - 4: Surface Grinder
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
Surface grinding is probably the most fundamental of operations. Most shops have a surface grinder even if they don't have a universal cutter grinder of a cylindrical grinder. The basic machine has grinding wheel above the work area which can be fed downward in very small increments into a work piece which is being moved to the left and the right and in and out. This allows the wheel to contact all areas of the surface of the work piece. The grinder is usually equipped with a magnetic plate used to hold the work piece . It is sometimes referred to as a magnetic chuck, although it does not look anything like a lathe chuck . The magnetic chuck holds magnetic materials only. However steel clamps (a magnetic material) can be used to laterally clamp non-magnetic materials for surface grinding.
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