·10 Coarse 10 12 14 16 20 24 Medium 30 36 46 54 60 Fine 80 100 120 150 180 Very Fine 220 240 280 320 400 500 600 Grits The grain or grit number indicates in a general way the size of the abrasive grains used in making a wheel or the size of the cutting teeth since grinding is a true cutting operation Grain size is denoted by a number indicating
4 GEAR MANUFACTURING PROCESSES GEAR BROACHING Broaching tool is used in vertical broaching machine Speedy and accurate process Tooth space is produced in single stroke More blanks can be mounted at a time Blank is indexed after producing each tooth Advantages Finished gears can be obtained Advisable for small gears
·13 Truing of Grinding wheel Truing is the process of removal of abrasive materials from the cutting face of the wheel and the sides of the wheel so that the wheel runs true with respect to the axis of rotation Truing is carried out with a diamond which has a shearing action on the abrasive grains and the bond and so removes irregular group of grains
·23 TOOL AND CUTTER GRINDER MACHINE Tool grinding may be divided into two subgroups tool manufacturing and tool resharpening There are many types of tool and cutter grinding machine to meet these requirements Simple single point tools are occasionally sharpened by hand on bench or pedestal grinder However tools and cutters with complex
·Manufacturing Processes Download as a PDF or view online for free Grinding machine is employed to obtain high accuracy along with very high class of surface finish on the workpiece Grinding machines can be broadly classified as a Surface grinding machine b Cylindrical grinding machine c Internal grinding machine d Tool and
·The document discusses various gear manufacturing processes It describes gear generating processes like gear milling hobbing broaching and shaping It provides details on gear finishing operations such as grinding shaving burnishing honing and lapping Various gear types are also covered including spur gears helical gears herringbone
·A grinding machine is a production machine tool used in the manufacturing industry in which the grinding wheel is attached in the tool post and the workpiece is fixed to the work table and when the operation starts it removes the unwanted material to get the desired surface finish correct size and accurate shape of the workpiece
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