CN2582800Y

CN2582800Y - Isoscrew linear type chip breaker V shaped milling cutter

Info

Publication number: CN2582800Y
Application number: CN 02288216
Authority: CN
Inventors: 吴彤人; 吴天明
Original assignee: Shanghai Steam Turbine Co ltd
Current assignee: Shanghai Electric Power Generation Equipment Co Ltd
Priority date: 2002-12-11
Filing date: 2002-12-11
Publication date: 2003-10-29
Anticipated expiration: 2012-12-11

Abstract

The utility model relates to a V-shaped milling cutter of an iso-screw linear type chip breaker, which belongs to a mechanical processing tool for metal cutting. The utility model comprises a cutter head (1), a cutter shank (2) and a cutting edge (3), wherein, the point of the cutting edge is provided with a chip breaker (4) which forms an iso-screw linear type, and the number of teeth of the milling cutter is even number of teeth. When the utility model is proved by use, the cutting speed is improved to two times as compared with ordinary cone milling cutters, and the alternating quantity of cutters decreases seven times simultaneously. Consequently, the utility model improves the work efficiency and reduces the manufacturing cost of the cutters.

Description

On spiral linear pattern chip dividing groove V-type milling cutter

Technical field

The utility model relates to metal cutting machinery machining tool.

Technical background

At present; the V-knife that steam turbine vertical tree type blade root slot processing is both at home and abroad adopted is a plain cutter; thereby when processing vapor turbine vertical tree type blade root slot; exist working depth shallow; feed per minute is little, and the problem that the Tool in Cutting life-span is low is especially in extensive mechanical processing process; because the prolongation of aided process, thereby have influence on the raising of operating efficiency.

Summary of the invention

The purpose of this utility model is shallow in order to solve turbine rotor vertical tree type blade root slot working depth, the difficult problem that cutter life is low, the cutting ability and the working (machining) efficiency of raising milling cutter.

The utility model is achieved in that a kind of spiral linear pattern chip dividing groove V-type milling cutter that waits, and comprises cutter head, handle of a knife, cutting edge, has chip dividing groove at the cutting edge cutting edge, and chip dividing groove is for waiting spiral linear pattern, and the number of teeth of milling cutter is the even number tooth.

The utility model changes the cutting state of milling cutter by the version that changes common taper mill, can make twice original cutting merge into cutting at one time, and raising Tool in Cutting length, reach the cutting ability and the working (machining) efficiency that improve milling cutter, thereby solved the problem that the machinable performance is poor, working (machining) efficiency is low and the milling cutter working durability is low of common taper mill.

Description of drawings

Fig. 1 is for waiting spiral linear pattern chip dividing groove V-type milling cutter schematic diagram, and Fig. 2 is for waiting spiral linear pattern chip dividing groove V-type milling cutter cutting edge schematic diagram, and Fig. 3 is for waiting spiral linear pattern chip dividing groove V-type milling cutter head A to schematic diagram.

Among the figure, 1 is cutter head, and 2 is handle of a knife, and 3 is cutting edge, and 4 is chip dividing groove.

Preferred forms

Preferred forms of the present utility model is provided by accompanying drawing.

Referring to Fig. 1, Fig. 2 and shown in Figure 3, a kind of spiral linear pattern chip dividing groove V-type milling cutter that waits comprises cutter head 1, handle of a knife 2, cutting edge 3, has chip dividing groove 4 at cutting edge 3 cutting edges, and chip dividing groove 4 is for waiting spiral linear pattern, and the number of teeth of milling cutter is the even number tooth.In the present embodiment, the tooth pitch a of chip dividing groove 4 is 3mm, and tooth depth h is 0.5～1mm, and the flute profile angle [alpha] is 80 °, makes smear metal tiny, and chip removal is easy, and cutting force is little, and the number of teeth of V-type milling cutter is 4 teeth, has strengthened cutting stability like this, reduces vibration.

Through the actual proof of using, improved about 1 times Deng the more common taper mill of spiral linear pattern chip dividing groove V-type milling cutter cutting speed, simultaneously the replacing amount of cutter reduce to original 1/7th, thereby improved working (machining) efficiency greatly, reduced again and made the required cost of charp tool.

Claims

1, spiral linear pattern chip dividing groove V-type milling cutter such as a kind of comprises cutter head (1), handle of a knife (2), cutting edge (3), it is characterized in that having chip dividing groove (4) at cutting edge (3) cutting edge, and chip dividing groove (4) is for waiting spiral linear pattern.

2, spiral linear pattern chip dividing groove V-type milling cutter such as according to claim 1, the number of teeth that it is characterized in that milling cutter is the even number tooth.