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A Moore jig grinder. Wrenches, 1-2-3 blocks, and other tools are resting on the X-Y table. A jig grinder is a machine tool used for grinding complex shapes and holes where the highest degrees of accuracy and finish are required.
The Moore family firm, the Moore Special Tool Company, independently invented the jig borer (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible accuracy and precision in machine tools (second only to that of ...
Its uses include shaping tool bits or various tools that need to be made or repaired. Bench grinders are manually operated. Cylindrical grinder, which includes both the types that use centers and the centerless types. A cylindrical grinder may have multiple grinding wheels. The work piece is rotated and fed past the wheel(s) to form a cylinder.
Often a jig is hardened; for a jig borer this requires the material to be bored first and then hardened, which may introduce distortion. Consequently, the jig grinder was developed as a machine with the precision of the jig borer, but capable of working materials in their hardened state. [2] A DeVlieg 43K-48 Jig Mill.
The company began as Moore Drop Forging Company in Springfield, Massachusetts in 1900 [1] or 1901. [2] In 1938 Moore became a vendor for Sears Roebuck . [ 1 ] In 1967, Moore Drop Forging was acquired by Eastern Stainless Steel Corporation , a manufacturer of stainless and specialty steel .
A man grinding on metal using an angle grinder, causing a lot of sparks. Grinding is a type of abrasive machining process which uses a grinding wheel as cutting tool. A wide variety of machines are used for grinding, best classified as portable or stationary: Portable power tools such as angle grinders, die grinders and cut-off saws