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PRE-FISHING VESSELS, PREPARATIONS FOR DISPOSAL AND DISPOSAL OF AN ACTIVE SUBSTANCE
PRE-FISHING VESSELS, PREPARATIONS FOR DISPOSAL AND DISPOSAL OF AN ACTIVE SUBSTANCE
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机译:捕捞前的船只,处置和活动物质的准备
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摘要
A method of dressing a threaded grinding wheel comprising rotating the grinding wheel and dressing tool about their respective axes and bringing the tool into contact with a point on a flank of the grinding thread. The dressing tool is traversed along the width of the grinding wheel with the dressing tool maintaining contact with the point during the traversing to remove stock material at the point on the flank along the width of the grinding wheel. The method includes controlling the amount of stock material removed by the dressing tool during the traversing at the point whereby different amounts of stock may be removed in different axial sections along the grinding wheel width at the point thus varying the grinding profile at each section at the point of contact. The tool is traversed at successive points along the grinding thread profile to produce a different grinding profile at each section of the grinding wheel. A method of grinding spur and helical gears is also disclosed.
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