CN202344009U

CN202344009U - Ball-nose end milling cutter with unequal groove depth

Info

Publication number: CN202344009U
Application number: CN2011204906712U
Authority: CN
Inventors: 陶肃平
Original assignee: Guizhou Southwest Tool Group Co Ltd
Current assignee: Guizhou Southwest Tool Group Co Ltd
Priority date: 2011-12-01
Filing date: 2011-12-01
Publication date: 2012-07-25
Anticipated expiration: 2021-12-01

Abstract

The utility model discloses a ball-nose end milling cutter with unequal groove depth. The ball-nose end milling cutter comprises a general ball-nose end milling cutter (1) provided with a chip flute (2) with a circular-arc-shaped bottom, and is characterized in that an inclined plane (3) is arranged on the circular-arc-shaped bottom of the chip flute (2) of the general ball-nose end milling cutter (1). The ball-nose end milling cutter not only has the advantages of high chip removal capability, high working efficiency and good processing quality, but also has the advantages of being long in service life, good in processing stability and the like.

Description

Equivalent gullet depth ball end mill not

Technical field

the utility model relates to a kind of not equivalent gullet depth ball end mill, belongs to the ball end mill manufacture technology field.

Background technology

ball end mill is to be used for the conventional cutter that machine-shaping curved surface or bulb die cavity use, at present, and for easy to process; Usually the bottom of the chip pocket of general ball end mill is made into the shape of dome arc in the prior art; Such chip pocket bottom is in the actual cut process, and the circular arc of its sphere formula bottom is usually when cut, because its effective chip space is not enough; Smear metal is blocked up is each other effectively cutting on the position; Be difficult to be excluded, thereby cause cut to be difficult to carry out, and its crowded bits also can produce the heavy damage cutting edge roundness, reach situation such as destroying workpiece surface quality.Therefore, the result of use of existing general ball end mill still is not ideal enough.

Summary of the invention

The purpose of the utility model is, a kind of not equivalent gullet depth ball end mill is provided, and to improve the chip removal ability of general ball end mill, improves the crudy of general ball end mill, thereby overcomes the deficiency of prior art.

The technical scheme of the utility model is to constitute like this: a kind of not equivalent gullet depth ball end mill of the utility model does; This not the equivalent gullet depth ball end mill comprise the general ball end mill that is provided with circular arc type bottom chip pocket, on the circular arc type bottom of general ball end mill chip pocket, be provided with tapered plane.

plane of above-mentioned tapered plane and the angle of general ball end mill axial line are 15 °～30 °.

are owing to adopted technique scheme; The utility model is reprocessed out a tapered plane, the degree of depth of not only having deepened chip pocket through this tapered plane on the circular arc type bottom of its chip pocket on the basis of existing general ball end mill; The chip space of chip pocket is increased; And since the guiding function of this tapered plane smear metal is discharged to outside the cutter hub through chip pocket more easily, thereby has improved the working (machining) efficiency and the crudy of ball end mill greatly; And, also prolonged the service life of ball end mill greatly because chip removal is unobstructed.Therefore, the utility model compared with prior art, the utility model has not only that the chip removal ability is strong, high efficiency, advantage that crudy is good, but also has advantages such as long service life, good processing stability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left TV structure sketch map of Fig. 1;

Fig. 3 is that A-A of Fig. 2 analyses and observe the partial structurtes enlarged diagram.

general ball end mill of description of reference numerals: 1-, 2-chip pocket, 3-tapered plane, the angle of α-tapered plane and general ball end mill axial line.

The specific embodiment

are done further to specify to the utility model below in conjunction with accompanying drawing and embodiment.

The embodiment of the utility model: the utility model is to make up according to following a kind of method that strengthens ball end mill chip removal ability; This method is on the basis of existing general ball end mill 1, to implement; During enforcement; On the circular arc type bottom of the chip pocket 2 of existing general ball end mill 1, directly produce tapered plane 3; Through this tapered plane 3 bottom of the chip pocket 2 of circular arc type bottom is deepened, can the chip removal ability of ball end mill 1 is enhanced through this tapered plane 3 like this.

A kind of not equivalent gullet depth ball end mill of the utility model that make up according to the method described above does; Comprise the existing general ball end mill 1 that is provided with circular arc type bottom chip pocket 2; During making; On the circular arc type bottom of the chip pocket 2 of general ball end mill 1, adopt grinding method to produce tapered plane 3, and the angle of the plane of this tapered plane 3 and general ball end mill 1 axial line is controlled at 15 °～30 ° scope.

Claims

1. an equivalent gullet depth ball end mill not comprises the general ball end mill (1) that is provided with circular arc type bottom chip pocket (2), it is characterized in that: on the circular arc type bottom of general ball end mill (1) chip pocket (2), be provided with tapered plane (3).

2. not equivalent gullet depth ball end mill according to claim 1 is characterized in that: the angle (α) of the plane of tapered plane (3) and general ball end mill (1) axial line is 15 °～30 °.