CN107414159A - A kind of slotting cutter of processing high-hardness material - Google Patents

A kind of slotting cutter of processing high-hardness material Download PDF

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Publication number
CN107414159A
CN107414159A CN201710851491.4A CN201710851491A CN107414159A CN 107414159 A CN107414159 A CN 107414159A CN 201710851491 A CN201710851491 A CN 201710851491A CN 107414159 A CN107414159 A CN 107414159A
Authority
CN
China
Prior art keywords
degree
angle
blade
cutter head
chip area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710851491.4A
Other languages
Chinese (zh)
Inventor
吴何洪
张济沧
张勇强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
D&M (SUZHOU) PRECISION CUTTING TOOLS Co.,Ltd.
Original Assignee
Suzhou Precision Cutting Tools Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Precision Cutting Tools Co Ltd filed Critical Suzhou Precision Cutting Tools Co Ltd
Priority to CN201710851491.4A priority Critical patent/CN107414159A/en
Publication of CN107414159A publication Critical patent/CN107414159A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/10Shank-type cutters, i.e. with an integral shaft
    • B23C5/1081Shank-type cutters, i.e. with an integral shaft with permanently fixed cutting inserts 
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/04Angles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/04Angles
    • B23C2210/0485Helix angles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/40Flutes, i.e. chip conveying grooves

Abstract

A kind of slotting cutter of processing high-hardness material, including shank and cutter head;Decile does not open up at least three chip areas on cutter head, is opened up along the border spiral of cutter head, form cutter head on formed with several blades;The spiral angle of wherein each blade is different;When the quantity of blade is the odd number more than or equal to three, the included angle of each chip area is different;When the quantity of blade is the even number more than or equal to four, the included angle of centrosymmetric chip area is identical each other, the included angle of non-centrosymmetrical chip area is different, and is 180 degree positioned at each chip area included angle sum of cutter head radial centre lines homonymy;The outer rim of each odd number blade is put the first edge on a knife or a pair of scissors formed with land, is not put the first edge on a knife or a pair of scissors on each even number blade;The angle of first re-entrant angle of cutter head shear blade is 0.1 degree ~ 0.5 degree, and the angle of the second re-entrant angle is 0.5 degree ~ 3 degree.The present invention can be used for the material that workhardness is more than more than HRC55, have the advantages that the long lifespan that processed surface smoothness height, cutter use.

Description

A kind of slotting cutter of processing high-hardness material
Technical field
The present invention relates to the cutter that machining uses, and in particular to a kind of slotting cutter of processing high-hardness material.
Background technology
Slotting cutter is a kind of process tool for being applied to industry cutting, can be applied to CNC machining centers, is applicable to process The cutting of metal, engineering plastics and fibrous composite, to improve raising processing efficiency.Because existing slotting cutter is in structure design On still have some deficits, therefore hardness more than more than HRC55 material on process when, on the one hand it is difficult to ensure that machining accuracy, causes Workpiece to be machined poor surface smoothness, the problem of tool sharpening short life on the other hand be present.
Therefore, how to solve above-mentioned the shortcomings of the prior art, become as the problem of the invention to be researched and solved.
The content of the invention
It is an object of the invention to provide a kind of slotting cutter of processing high-hardness material.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:
A kind of slotting cutter of processing high-hardness material, including shank and it is connected with cutter head in the shank forward end;Wherein:
Along the length direction of cutter hub, decile does not open up at least three chip areas on the cutter head, and each chip area is along cutter head Border spiral opens up, and forms on the cutter head formed with the several blades equal with the chip area quantity;
Wherein, the spiral angle of each blade is different;Also, when the quantity of the blade is strange more than or equal to three When several, the included angle of each chip area is different;When the quantity of the blade is the even number more than or equal to four, mutually Centered on symmetrical chip area included angle it is identical, the included angle of non-centrosymmetrical chip area is different, and is located at Each chip area included angle sum of the cutter head radial centre lines homonymy is 180 degree;
The outer rim of each odd number blade is put the first edge on a knife or a pair of scissors along its length, formed with land;Do not put the first edge on a knife or a pair of scissors on each even number blade processing, nothing Land;
Wherein, the shear blade of the cutter head front end is provided with two re-entrant angles, the first re-entrant angle close to the periphery of cutter head, its angle is 0.1 degree ~ 0.5 degree, for the second re-entrant angle close to the center of cutter head, its angle is 0.5 degree ~ 3 degree.
Relevant content in above-mentioned technical proposal is explained as follows:
1. in such scheme, opened up by the not decile of chip area and the mutually different design of the spiral angle of each blade, can Vibrated when reducing cutting to greatest extent caused by cutter, to improve the stability of processing, ensure the precision and finish of processing. Each helical angle is 25 degree ~ 75 degree.
2. in such scheme, by setting two re-entrant angles on shear blade, the first re-entrant angle is 0.1 degree ~ 0.5 degree, the second re-entrant angle 0.5 ~ 3 degree of degree, it can effectively lift the finish of shear blade processing.
3. in such scheme, two relief angles are additionally provided with the shear blade, for the first relief angle close to the periphery of cutter head, its angle is 1 ~ 12 degree of degree, is preferred with 6 degree;Second relief angle is 12 degree ~ 45 degree close to the center of cutter head, its angle, is preferred with 18 degree.Pass through two The special angle design of relief angle, can make cutter meet to be more than the processing request on more than HRC55 materials in hardness.
4. in such scheme, the concentricity of the cutter head and the shank is less than 0.005, it is ensured that the linearity of processing, And protecting effect is played to cutter.
5. in such scheme, the groove anterior angle of the blade is 0 degree ~ -3 degree, in favor of chip removal and chip, while protects cutter head Peripheral edge;The circular arc relief angle of the blade is 8 degree ~ 10 degree, to lift the wearability of cutter.
6. in such scheme, the point of a knife of the shear blade does chamfered, to prevent point of a knife from crumbling.
7. in such scheme, the length of the blade is less than the length of the chip area, in order to chip removal.
Can be whole hard alloy, or welding is hard 8. in such scheme, slotting cutter of the present invention can be cold outside, can be interior cold Matter alloy.
9. in such scheme, slotting cutter of the present invention can be left-handed setting, or dextrorotation is set.
The operation principle and advantage of the present invention is as follows:
A kind of slotting cutter of processing high-hardness material of the present invention, including shank and cutter head;Decile does not open up at least three on cutter head Chip area, opened up along the border spiral of cutter head, form cutter head on formed with several blades;The spiral angle of wherein each blade is mutual Differ;When the quantity of blade is the odd number more than or equal to three, the included angle of each chip area is different;Work as blade Quantity for even number more than or equal to four when, the included angle of centrosymmetric chip area is identical each other, non-centrosymmetry Chip area included angle it is different, and be positioned at each chip area included angle sum of cutter head radial centre lines homonymy 180 degree;The outer rim of each odd number blade is put the first edge on a knife or a pair of scissors formed with land, is not put the first edge on a knife or a pair of scissors on each even number blade;The shear blade of cutter head front end is provided with Two re-entrant angles, the angle of the first re-entrant angle is 0.1 degree ~ 0.5 degree, and the angle of the second re-entrant angle is 0.5 degree ~ 3 degree.
Compared to existing technologies, the present invention can be used for the material that workhardness is more than more than HRC55, have finished surface Highly polished, good processing stability, it is high in machining efficiency the advantages of, and the long lifespan that cutter uses.Import cutter can be substituted, is had There is considerable economy.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the embodiment of the present invention;
Accompanying drawing 2 is the enlarged drawing at A in Fig. 1;
Accompanying drawing 3 is left end face structural representation of the embodiment of the present invention;
Accompanying drawing 4 is the principle schematic of included angle of the embodiment of the present invention;
Accompanying drawing 5 is the diagrammatic cross-section of odd number blade of the embodiment of the present invention;
Accompanying drawing 6 is the diagrammatic cross-section of even number blade of the embodiment of the present invention;
Accompanying drawing 7 is the schematic diagram after amplifying in Fig. 2 at B;
Accompanying drawing 8 is the schematic diagram after amplifying in Fig. 2 at C;
Accompanying drawing 9 is the diagrammatic cross-section of blade of the embodiment of the present invention.
In the figures above:1. shank;2. cutter head;3. blade;31. odd number blade;32. even number blade;4. chip area;5. sword Band;6. shear blade;7. chamfered;B1. included angle;B2. included angle;B3. included angle;A1. the first re-entrant angle;A2. second Re-entrant angle;C1. the first relief angle;C2. the second relief angle;D. groove anterior angle;E. circular arc relief angle.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment:Referring to shown in accompanying drawing 1~2, a kind of slotting cutter of processing high-hardness material, including shank 1 and be connected with this The cutter head 2 of the front end of shank 1;Wherein:
As shown in figure 3, along the length direction of cutter hub, decile does not open up six chip areas 4, and each chip area on the cutter head 2 4 open up along the border spiral of cutter head 2, form six blades 3 of formation on the cutter head 2;The length of the blade 3 is less than the row The length of groove 4 is considered to be worth doing, in order to chip removal.
Wherein, it is 25 degree ~ 75 degree as shown in figure 4, the spiral angle of each blade 2 is different.Chip area 4 In included angle B1, B2, B3, the included angle of centrosymmetric chip area 4 is identical each other, non-centrosymmetrical chip area 4 Included angle is different, and positioned at the included angle sum of each chip area 4 of the radial centre lines homonymy of cutter head 2(B1+B2+ B3)For 180 degree;Opened up by the not decile of chip area 4 and the mutually different design of the spiral angle of each blade, can maximum limit Vibrated when degree ground reduces cutting caused by cutter, to improve the stability of processing, ensure the precision and finish of processing.
As shown in Figure 5,6, the outer rim of each odd number blade 31 is put the first edge on a knife or a pair of scissors along its length, formed with land 5;Each even number knife Do not put the first edge on a knife or a pair of scissors on sword 32 processing, no land;
Wherein, as shown in fig. 7, the shear blade 6 of the front end of the cutter head 2 is provided with two re-entrant angle A1, A2, the first re-entrant angle A1 is close to cutter head 2 Periphery, its angle is 0.1 degree ~ 0.5 degree, and for the second re-entrant angle A2 close to the center of cutter head 2, its angle is 0.5 degree ~ 3 degree, can be effective Lift the finish that shear blade 6 is processed.
Wherein, the point of a knife of the shear blade 6 does chamfered 7, to prevent point of a knife from crumbling.The cutter head 2 and the shank 1 Concentricity is less than 0.005, it is ensured that the linearity of processing, and protecting effect is played to cutter.
As shown in figure 8, being additionally provided with two relief angles C1, C2 on the shear blade 6, the first relief angle C1 is close to the periphery of cutter head 2, its angle Spend for 1 degree ~ 12 degree, be preferred with 6 degree;Second relief angle C2 is 12 degree ~ 45 degree close to the center of cutter head 2, its angle, is with 18 degree It is good.Designed by the special angle of two relief angles C1, C2, cutter can be made to meet to be more than the processing on more than HRC55 materials in hardness It is required that.
The groove anterior angle D of the blade 3 is 0 degree ~ -3 degree, in favor of chip removal and chip, while protects the peripheral edge of cutter head 2; The circular arc relief angle E of the blade 3 is 8 degree ~ 10 degree, to lift the wearability of cutter.
Compared to existing technologies, the present invention can be used for the material that workhardness is more than more than HRC55, have finished surface Highly polished, good processing stability, it is high in machining efficiency the advantages of, and the long lifespan that cutter uses.Import cutter can be substituted, is had There is considerable economy.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.

Claims (7)

1. a kind of slotting cutter of processing high-hardness material, including shank and it is connected with cutter head in the shank forward end;Its feature exists In:
Along the length direction of cutter hub, decile does not open up at least three chip areas on the cutter head, and each chip area is along cutter head Border spiral opens up, and forms on the cutter head formed with the several blades equal with the chip area quantity;
Wherein, the spiral angle of each blade is different;Also, when the quantity of the blade is strange more than or equal to three When several, the included angle of each chip area is different;When the quantity of the blade is the even number more than or equal to four, mutually Centered on symmetrical chip area included angle it is identical, the included angle of non-centrosymmetrical chip area is different, and is located at Each chip area included angle sum of the cutter head radial centre lines homonymy is 180 degree;
The outer rim of each odd number blade is put the first edge on a knife or a pair of scissors along its length, formed with land;Do not put the first edge on a knife or a pair of scissors on each even number blade processing, nothing Land;
Wherein, the shear blade of the cutter head front end is provided with two re-entrant angles, the first re-entrant angle close to the periphery of cutter head, its angle is 0.1 degree ~ 0.5 degree, for the second re-entrant angle close to the center of cutter head, its angle is 0.5 degree ~ 3 degree.
2. slotting cutter according to claim 1, it is characterised in that:Two relief angles are additionally provided with the shear blade, the first relief angle is leaned on The periphery of nearly cutter head, its angle are 1 degree ~ 12 degree, and for the second relief angle close to the center of cutter head, its angle is 12 degree ~ 45 degree.
3. slotting cutter according to claim 2, it is characterised in that:The angle of first relief angle is 6 degree, after described second The angle at angle is 18 degree.
4. slotting cutter according to claim 1, it is characterised in that:The concentricity of the cutter head and the shank is less than 0.005。
5. slotting cutter according to claim 1, it is characterised in that:The groove anterior angle of the blade is 0 degree ~ -3 degree, blade Circular arc relief angle is 8 degree ~ 10 degree.
6. slotting cutter according to claim 1, it is characterised in that:The point of a knife of the shear blade does chamfered.
7. slotting cutter according to claim 1, it is characterised in that:The length of the blade is less than the length of the chip area Degree.
CN201710851491.4A 2017-09-19 2017-09-19 A kind of slotting cutter of processing high-hardness material Pending CN107414159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710851491.4A CN107414159A (en) 2017-09-19 2017-09-19 A kind of slotting cutter of processing high-hardness material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710851491.4A CN107414159A (en) 2017-09-19 2017-09-19 A kind of slotting cutter of processing high-hardness material

Publications (1)

Publication Number Publication Date
CN107414159A true CN107414159A (en) 2017-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710851491.4A Pending CN107414159A (en) 2017-09-19 2017-09-19 A kind of slotting cutter of processing high-hardness material

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112828353A (en) * 2021-02-01 2021-05-25 德州亿轮输送机械有限公司 Milling machine for metal bar processing
CN113649633A (en) * 2021-09-27 2021-11-16 嘉兴沃尔德金刚石工具有限公司 Corrugated spiral milling cutter for finish machining of aerospace materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112828353A (en) * 2021-02-01 2021-05-25 德州亿轮输送机械有限公司 Milling machine for metal bar processing
CN113649633A (en) * 2021-09-27 2021-11-16 嘉兴沃尔德金刚石工具有限公司 Corrugated spiral milling cutter for finish machining of aerospace materials

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210122

Address after: 215000 136 aigehao Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province

Applicant after: D&M (SUZHOU) PRECISION CUTTING TOOLS Co.,Ltd.

Address before: No.6 Weiting Weixi Road, Suzhou Industrial Park, Jiangsu Province

Applicant before: SUZHOU CMK PRECISION CUTTING TOOL Co.,Ltd.

TA01 Transfer of patent application right