CNC milling cutter milling rotating square and various classifications of tools

by:Ronix Tools     2021-05-26
A CNC milling cutter is a rotary cutter with one or more teeth used for milling. When working, each cutter tooth intermittently cuts off the margin of the workpiece. CNC milling cutters mainly include steps, grooves, forming surfaces and cutting workpieces. In a broad sense, cutting tools include both cutting tools and abrasive tools; at the same time, 'numerical control tools' include not only cutting blades, but also accessories such as tool holders and tool holders. There are two ways for the milling method of the CNC milling cutter relative to the feed direction of the workpiece and the rotation direction of the milling cutter:    1. Climbing milling, the rotation direction of the milling cutter and the cutting feed direction are the same. Bites the workpiece and cuts off the last chips. 2. Up-milling, the rotation direction of the milling cutter is opposite to the cutting feed direction. The milling cutter must slide on the workpiece for a period of time before starting to cut, starting with the cutting thickness as zero, and reaching the maximum cutting thickness at the end of the cutting .  In the face milling cutter, some end milling or face milling, the cutting force has different directions. When face milling, the milling cutter is just on the outside of the workpiece, and special attention should be paid to the direction of the cutting force. During down milling, the cutting force presses the work piece against the worktable, and during up milling, the cutting force pushes the work piece away from the worktable. Because of the cutting effect of down milling, usually down milling, only when the machine tool has a thread clearance problem or there are problems that can not be solved by down milling, then up milling is considered.   CNC milling cutter tools can be divided into five categories according to the form of the workpiece surface. 1. Hole processing tools, including drills, reamers, boring cutters, reamers and inner surface broaches, etc.;    2. Gear processing tools, including hobs, gear shapers, gear shaving cutters, bevel gear processing tools, etc.;   3 .Tools for processing various external surfaces, including turning tools, planers, milling cutters, external surface broaches and files, etc.;   4. Thread processing tools, including taps, dies, automatic opening and closing thread cutting heads, thread turning tools and thread milling Knives, etc.;    5. Cutting tools, including toothed circular saw blades, band saws, bow saws, cut-off turning tools, saw blade milling cutters, etc. In addition, there are combined tools. CNC milling cutters can be divided into three categories according to the cutting motion mode and the corresponding blade shape:   1. General tools, such as turning tools, planers, milling cutters, boring tools, drills, reamers, reamers and saws, etc.;   2. The forming tool uses the generative method to process gear tooth surfaces or similar workpieces, such as hobs, gear shaping cutters, gear shaving cutters, bevel gear planers, and bevel gear milling cutters.  3. Forming tools, the cutting edge of this type of tool has the same or close to the same shape as the cross-section of the workpiece to be processed, such as forming turning tools, forming planers, forming milling cutters, broaches, conical reamers and various thread processing tools, etc.;
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