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Thursday, 21 August 2014

Left and Right Hand Patterns

Left and Right Hand Patterns Points : Left and Right Hand Patterns, Metal Casting, Foundry, Moulding Several patterns are necessary to be in pairs, and while their shape is such that they cannot be upturned and have centers of hubs, bosses, and so on., opposite and in line, then they have to be made right and left hand unconnectedly. A little examples where a pair of left and right hand patterns is necessary are legs for wood turning lathen J-hangers for slide shafting, legs for paddle type sewing machine, legs for garden bench, brackets for luggage racks in railway carriages and so on.

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