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The File Grinders' Trade Society was a trade union in the United Kingdom. It represented skilled workers in the cutlery trade in Sheffield. The file-grinders had a particularly strong union compared to other societies in the cutlery trade. It was formed in 1845 and had 204 members in 1860, rising to 240 out of 320 employees in the trade in 1890.
The D-bit (after Friedrich Deckel, [1] the brand of the original manufacturer) grinder is a tool bit grinder designed to produce single-lip cutters for pantograph milling machines. Pantographs are a variety of milling machine used to create cavities for the dies used in the molding process ; they are largely obsolete and replaced by CNC ...
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.
A pneumatic die grinder with a right-angle head. A cordless battery-powered rotary tool used for light tasks. A die grinder or rotary tool is a handheld power tool and multitool used for grinding, sanding, honing, polishing, or machining material (typically metal, but also plastic or wood).
Van Norman sold its precision external centerless grinder line to Bryant in 1972. [3] The Van Norman rotary surface grinders, primarily used to resurface engine flywheels, are currently manufactured by Irontite Products Inc. as of 2014, located in Cedar Rapids, Iowa. Irontite Products Inc. also purchased the rights to the Van Norman Brake Lathe ...
Angle grinder. An angle grinder, also known as a side grinder or disc grinder, is a handheld power tool used for grinding (abrasive cutting) and polishing.Although developed originally as tools for rigid abrasive discs, the availability of an interchangeable power source has encouraged their use with a wide variety of cutters and attachments.
A bench grinder is a benchtop type of grinding machine used to drive abrasive wheels. A pedestal grinder is a similar or larger version of grinder that is mounted on a pedestal, which may be bolted to the floor or may sit on rubber feet. These types of grinders are commonly used to hand grind various cutting tools and perform other rough ...
Baratza is a United States-based electric coffee grinder company based in Seattle, Washington Baratza headquarters in Seattle , focused primarily on consumer -level grinders for use at home.