When selecting the tool, the specification of the tool shall be compatible with the appearance specification of the workpiece to be processed. In production, the end milling cutter is often used for the processing of plane parts; When milling the plane, the carbide insert milling cutter shall be selected; Select high speed when machining bosses and grooves Steel end mill; When processing the rough surface or rough machining holes, the corn milling cutter with carbide inserts can be selected; Ball end milling cutter, ring milling cutter, cone milling cutter and disk milling cutter are often used for machining of some solid surfaces and variable bevel angles. When machining a free surface, because the end cutting speed of the ball end cutter is zero, the cutting line spacing is generally small to ensure the machining accuracy, so the ball end milling cutter is suitable for finishing the surface. However, the end milling cutter is far superior to the ball end milling cutter in terms of surface processing quality and processing power. Therefore, on the premise of ensuring that the parts are processed without cutting, the end milling cutter shall be selected as much as possible in rough machining and semi finishing surface machining. In addition, the durability and accuracy of the tool are closely related to the tool price, so it is necessary It should be noted that in most cases, although selecting a good tool increases the cost of the tool, the resulting processing quality The advance of quantity and processing power can greatly reduce the whole processing cost, On the machining center, all the tools are installed in the tool library in advance, and they are matched by the tool selection and tool change instructions of the NC program Corresponding tool change action. It is necessary to select the corresponding standard tool shank that is suitable for the tool system specification of the machine tool, so that the tool for NC machining can Multi sensitive and accurate installation on the spindle of the machine tool or back to the TOOL HOLDER. The programmer should be able to understand the structural specifications of the tool shank used by the machine tool
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Scope, adjustment method and adjustment planning to ensure that the radial and axial specifications of tools are determined during programming and the placement order of tools is reasonably arranged.
