CN203140859U - Unequal-blade round-nose end milling cutter - Google Patents

Unequal-blade round-nose end milling cutter Download PDF

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Publication number
CN203140859U
CN203140859U CN 201320129684 CN201320129684U CN203140859U CN 203140859 U CN203140859 U CN 203140859U CN 201320129684 CN201320129684 CN 201320129684 CN 201320129684 U CN201320129684 U CN 201320129684U CN 203140859 U CN203140859 U CN 203140859U
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CN
China
Prior art keywords
sword
blade
long
tooth
short
Prior art date
Application number
CN 201320129684
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Chinese (zh)
Inventor
丁黎军
张荣刚
金登岳
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上海冠钻精密工具有限公司
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Publication date
Application filed by 上海冠钻精密工具有限公司 filed Critical 上海冠钻精密工具有限公司
Priority to CN 201320129684 priority Critical patent/CN203140859U/en
Application granted granted Critical
Publication of CN203140859U publication Critical patent/CN203140859U/en

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Abstract

The utility model relates to an unequal-blade round-nose end milling cutter. The end milling cutter comprises a handle part and a blade part, which are connected through a neck part, wherein four helical blades are arranged on the blade part, the helix angels of the opposite helical blades the same while the helix angels of the adjacent helical blades are different, and two long blade teeth and two short blade teeth at different angles are arranged at the bottom ends of the blade parts in a staggered manner. The end milling cutter provided by the utility model has the beneficial effects that as the helix angels of the opposite helical blades of the four circumferential blades are the same and the helix angels of the adjacent helical blades of the four circumferential blades are different, chip pockets between each two adjacent circumferential blades are narrow at the front part and wide at the rear part or are wide at the front part and narrow at the rear part to form cutter cutting edges in a staggered structure, so that according to the structure, a force dislocation complementation principle in mechanics is fully utilized to disperse cutting extrusion force up and down, and the abnormal situations of vibration, shake and the like between cutting blades and a work piece in processing can be effectively prevented; and as the long blade teeth and the short blade teeth at the bottom end of the blade part are staggered, a viscous material can be broken by twisting in a processing process and the magnitude of resonance can be reduced.

Description

Do not wait sword round nose slotting cutter
Technical field
The utility model relates to modern mechanical process tool technical field, and particularly a kind of sword round nose slotting cutter that do not wait is fit to cutting stainless steel, aviation boat titanium special material, is applicable to numerous manufacturings such as electromechanics, auto parts and components manufacturing, Mould Machining.
Background technology
Increasing new material has appearred in the current machining, some unmanageable composites particularly, and as nickel-base alloy, the stainless steel material that titanium alloy and each field extensively use etc., these materials are more and more higher to the requirement of cutter processing.In machining, the used cutter spiral angle of general hard material is at 30 °, the used cutter spiral angle of general flexible material is at 35 °~45 °, conventional tool generally have four cutting edges and its spiral angle identical, the extruding force of cutting can't discharge fast when four cutting edges of this structure cut simultaneously, can produce strong resonance, cause cutter vibrations, tremble.In addition, the shear blade of conventional tool also is four teeth, and it is 90 ° that per tooth is divided equally, add man-hour simultaneously at Zhou Ren and shear blade, because its shear blade structure causes resonance in time to disperse, will produce bigger resonance power, the cutter crown of this spline structure is easy to wearing and tearing, and service life is not long.Therefore, the requirement that the used universal cutter of existing mechanical processing has not reached modernized machining, need have against shock, anti-tremble and not easy to wear, chip removal smoothly cutter be used as replacing product.
The utility model content
The purpose of this utility model is the defective that exists in the prior art in order to solve, and a kind of sword round nose slotting cutter that do not wait is provided, and reaching antidetonation in the process, shockproof, anti-purpose of quivering, and prolongs cutter life.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of sword round nose slotting cutter that do not wait, comprise the shank and the blade that connect by neck, blade is provided with four helical edges, two helical edges spiral angles that are in relative position are identical, the blade bottom is provided with two long sword teeth and two short sword teeth, arrange long sword tooth and short sword space of teeth, and long sword tooth is different with short sword tooth angle degree.
As preferred version, four helical edges are respectively the first relative helical edges of position and triple helical sword, relative second helical edges and the 4th helical edges in position;
As preferred version, the spiral angle of first helical edges and triple helical sword is 35 °;
As preferred version, the spiral angle of second helical edges and the 4th helical edges is 38 °;
As preferred version, two long sword teeth are respectively the first relative long sword tooth of position and the second long sword tooth, and its angle is 94 °;
As preferred version, two short sword teeth are respectively the first relative short sword tooth of position and the second short sword tooth, and its angle is 86 °;
As preferred version, the crown of the first long sword tooth, the second long sword tooth, the first short sword tooth and the second short sword tooth is arranged to circular-arc.
The beneficial effect that the utlity model has is: at first, owing to the spiral angle of the helical edges of relative position among four Zhou Ren is identical, the spiral angle difference of adjacent position, therefore the chip pocket between adjacent two Zhou Ren is narrow front and wide rear or front wide and rear narrow shape, form the cutting edge roundness of cross structure, such structure has taken full advantage of the dislocation complementarity principle of power in the mechanics, and the extruding force of cutting is disperseed up and down, and cutting edge and workpiece produce abnormal conditions such as vibrating, tremble in can effectively preventing from processing.Secondly, the long sword tooth that the blade bottom is crisscross arranged and short sword tooth are the side set shape, can twist the dynamics of breaking cohesive material and reducing to resonate by work in-process.Again, the crown of four swords in bottom is arranged to circular-arc, makes cutter not easy to wear, increases the service life.
Description of drawings
Fig. 1 is the utility model axial arrangement schematic diagram.
Fig. 2 is the utility model bottom face structural representation.
Among the figure: 1, shank, 2, blade, 211, first helical edges, 212, second helical edges, 213, triple helical sword, the 214, the 4th helical edges, 221, the first long sword tooth, 222, the first short sword tooth, 223, the second long sword tooth, 224, the second short sword tooth, 23, the bottom face round nose, 24, chip pocket, 25, the bottom chip pocket.
The specific embodiment
Further understand and understanding for making architectural feature of the present utility model and the effect reached had, cooperate detailed explanation in order to preferred embodiment and accompanying drawing, be described as follows:
Embodiment one:
As shown in Figure 1: a kind of sword round nose slotting cutter that do not wait, comprise the shank and the blade that connect by neck, blade is disposed with first helical edges, second helical edges, triple helical sword and the 4th helical edges, first helical edges and triple helical sword spiral angle are 35 °, second helical edges and the 4th helical edges spiral angle are 38 °, form chip pocket 24 between adjacent two helical edges.
As shown in Figure 2: the blade bottom is disposed with the first long sword tooth, the first short sword tooth, the second long sword tooth and the second short sword tooth, the first long sword tooth and the second long sword tooth angle degree all are β, β=94 °, the first short sword tooth and the second short sword tooth angle degree all are α, α=86 ° form bottom chip pocket 25 between adjacent two long sword teeth and the short sword tooth.
The crown of the first long sword tooth 221, the second long sword tooth 223, the first short sword tooth 222 and the second short sword tooth 224 all is arranged to circular-arc, i.e. the bottom face round nose.
In machining, the used cutter spiral angle of general hard material is at 30 °, and the used cutter spiral angle of general flexible material is at 35 °~45 °, and 4 cutting edge spiral angles of conventional tool are identical, the extruding force of cutting can't discharge fast when cutting simultaneously, can produce strong resonance.And the spiral angle of first helical edges in the utility model and triple helical sword is 35 °, second helical edges and the 4th helical edges spiral angle are 38 °, so just formed with the different structure of conventional tool, the helical angle angle of four cutting edges of whole Zhou Ren is different in twos, chip pocket between adjacent two cutting edges is narrow front and wide rear or front wide and rear narrow shape, and narrow front and wide rear chip pocket and front wide and rear narrow shape chip pocket are staggered, and form special two groove-shaped spiral chip flute.Such cross structure has taken full advantage of the power dislocation complementarity principle in the mechanics, the extruding force that produces during cutting is disperseed up and down, effectively prevent from process, occurring cutting edge and workpiece and produce abnormal conditions such as vibrating, tremble, and can more effective chip breaking, bits can't be wrapped on the blade.
Week can produce resonance when sword cuts, and same shear blade also can produce resonance when cutting.The shear blade of conventional tool also is four teeth, and it is 90 ° that per tooth is divided equally, and Zhou Ren and shear blade add man-hour simultaneously, because its structure causes resonance in time to disperse, will produce bigger resonance power, and the cutter crown of this spline structure is easy to wearing and tearing, and service life is not long.The utility model bottom face side set arranges the first long sword tooth 221, first short sword tooth 222, the second long sword tooth 223 and the second short sword tooth 224, the first long sword tooth 221 and second long sword tooth 223 angles all are 94 °, the first short sword tooth 222 and second short sword tooth 224 angles all are 86 °, the dynamics that such side set structure not only can reduce to resonate can also better be twisted disconnected those cohesive materials by work in-process.The bottom chip pocket that forms between adjacent two long sword teeth and the short sword tooth can smooth and easy chip removal.
The peak of four shear blades in bottom all is arranged to circular-arc, can be not easy to be worn by more effective protection point of a knife like this, further prolongs the service life of cutting edge roundness.
The passivation polishing has been carried out on the surface of the utility model cutter, adopts the coating process of nanometer technology to scribble one deck nano coating at tool surface, makes and has obtained stronger lifting in service life of cutter.
In sum, it only is preferred embodiment of the present utility model, be not to limit the scope that the utility model is implemented, all equalizations of doing according to the described shape of the utility model claim scope, structure, feature and spirit change and modify, and all should be included in the claim scope of the present utility model.

Claims (7)

1. one kind is not waited sword round nose slotting cutter, comprise the shank and the blade that connect by neck, it is characterized in that, described blade is provided with four helical edges, two helical edges spiral angles that are in relative position are identical, described blade bottom is provided with two long sword teeth and two short sword teeth, and arrange long sword tooth and short sword space of teeth, and long sword tooth is different with short sword tooth angle degree.
2. the sword round nose slotting cutter that do not wait according to claim 1 is characterized in that, described four helical edges are respectively the first relative helical edges of position and triple helical sword, relative second helical edges and the 4th helical edges in position.
3. the sword round nose slotting cutter that do not wait according to claim 2 is characterized in that the spiral angle of described first helical edges and triple helical sword is 35 °.
4. the sword round nose slotting cutter that do not wait according to claim 2 is characterized in that the spiral angle of described second helical edges and the 4th helical edges is 38 °.
5. the sword round nose slotting cutter that do not wait according to claim 1 is characterized in that, described two long sword teeth are respectively the first relative long sword tooth of position and the second long sword tooth, and its angle is 94 °.
6. the sword round nose slotting cutter that do not wait according to claim 1 is characterized in that, described two short sword teeth are respectively the first relative short sword tooth of position and the second short sword tooth, and its angle is 86 °.
7. the sword round nose slotting cutter that do not wait according to claim 1 is characterized in that, the crown of described long sword tooth and short sword tooth is arranged to circular-arc.
CN 201320129684 2013-03-20 2013-03-20 Unequal-blade round-nose end milling cutter CN203140859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320129684 CN203140859U (en) 2013-03-20 2013-03-20 Unequal-blade round-nose end milling cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320129684 CN203140859U (en) 2013-03-20 2013-03-20 Unequal-blade round-nose end milling cutter

Publications (1)

Publication Number Publication Date
CN203140859U true CN203140859U (en) 2013-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320129684 CN203140859U (en) 2013-03-20 2013-03-20 Unequal-blade round-nose end milling cutter

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103777568A (en) * 2014-02-24 2014-05-07 山东大学 Method for modeling of integrated end mill chip pocket on basis of cutter sharpening process
CN103878429A (en) * 2014-03-04 2014-06-25 苏州瑞森硬质合金有限公司 Large-feeding type four-edge end mill
CN104439466A (en) * 2013-09-24 2015-03-25 上海冠钻精密工具有限公司 Milling cutter
CN107350532A (en) * 2017-08-24 2017-11-17 上海冠钻精密工具有限公司 A kind of mistake divides spiral arc side set ripple blade milling cutter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104439466A (en) * 2013-09-24 2015-03-25 上海冠钻精密工具有限公司 Milling cutter
CN103777568A (en) * 2014-02-24 2014-05-07 山东大学 Method for modeling of integrated end mill chip pocket on basis of cutter sharpening process
CN103777568B (en) * 2014-02-24 2016-06-01 山东大学 A kind of monoblock type slotting cutter chip pocket modeling method based on the honed journey of sword
CN103878429A (en) * 2014-03-04 2014-06-25 苏州瑞森硬质合金有限公司 Large-feeding type four-edge end mill
CN107350532A (en) * 2017-08-24 2017-11-17 上海冠钻精密工具有限公司 A kind of mistake divides spiral arc side set ripple blade milling cutter

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