Saw blade milling cutter for machining automobile crankshaft
A saw blade milling cutter and crankshaft technology, which is applied in the direction of milling cutters, metal processing equipment, sawing machine tools, etc., can solve the problems of easy breakage, inconspicuous cutting, high cost, etc., and achieve extended service life and high wear resistance Sex, high hardness effect
Pending Publication Date: 2021-06-08
常州冶戈工具有限公司
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Problems solved by technology
But it is not obvious to make the knife, the cost is higher, and it is easy to break the knife when the cutting force changes rapidly
Method used
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[0015] Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:
[0016] The saw blade milling cutter for processing automobile crankshafts includes a milling cutter disc 1, the center of the milling cutter disc 1 is provided with a mounting hole 2, the axial front and rear ends of the mounting hole 2 are provided with chamfers 3 along the circumference, and the inner side of the mounting hole is provided with There is a keyway 4; the outer side of the milling cutter disc 1 is provided with a plurality of continuous milling cutter teeth 5 along the circumference, and the radial rake angle formed by the inner surface 6 of each milling cutter tooth 5 and its radial direction is α, and two consecutive milling cutter teeth The connection surface between the cutter teeth 5 is arc-shaped, and the angle between the two milling cutter teeth 5 is β; the milling cutter teeth 5 form two different tooth widths along the axial direction...
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The invention discloses a saw blade milling cutter for machining an automobile crankshaft. The saw blade milling cutter comprises a milling cutter disc, wherein a mounting hole is formed in the center of the milling cutter disc, chamfers are arranged at the axial front end and the axial rear end of the mounting hole along the circumference, and a key slot is formed in the inner side of the mounting hole; a plurality of continuous milling cutter teeth are arranged on the outer side of the milling cutter disc in the circumferential direction, a radial rake angle formed by the inner side surface of each milling cutter tooth and a radial direction of the milling cutter tooth is alpha, a connecting surface between every two continuous milling cutter teeth is in a circular arc shape, and an included angle between every two adjacent milling cutter teeth is beta; the milling cutter teeth form two different tooth widths in the axial direction, the outer side tooth width is smaller than the inner side tooth width, transition positions of the large tooth width and the small tooth width are connected through straight slopes, the milling cutter teeth are in bilateral symmetry in the radial direction, and an angle formed by extension lines of the left straight slope and the right straight slope is gamma. The saw blade milling cutter is integrally formed; through reasonable tooth profile design and surface hard alloy coating treatment, machining accuracy of the saw blade milling cutter is improved, the service life of the saw blade milling cutter is prolonged, and large economic benefits are obtained.
Description
technical field [0001] The invention relates to the field of mechanical metal processing cutters, in particular to a saw blade milling cutter for processing automobile crankshafts. Background technique [0002] A milling cutter is a rotating tool with one or more teeth for milling. When working, each knife tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces and cutting workpieces on milling machines. The saw blade milling cutter is both a saw blade and a milling cutter, and it is a product of both. Most of the saw blade milling cutters are made of high-speed steel, cemented carbide and other materials with the same performance. Although cemented carbide has higher hardness than high-speed steel and strong cutting force, it can increase the speed and feed rate and increase productivity. But it is not obvious to make the knife, the cost is higher, and it is easy to break...
Claims
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IPC IPC(8): B23C5/08B23D61/04
CPCB23C5/08B23C2200/04B23C2215/08B23C2215/20B23C2228/10B23D61/04
Inventor 朱均朱敖平刘影
Owner 常州冶戈工具有限公司