CN209206562U - A kind of double Gash milling cutters of efficient high life - Google Patents
A kind of double Gash milling cutters of efficient high life Download PDFInfo
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- CN209206562U CN209206562U CN201821594631.0U CN201821594631U CN209206562U CN 209206562 U CN209206562 U CN 209206562U CN 201821594631 U CN201821594631 U CN 201821594631U CN 209206562 U CN209206562 U CN 209206562U
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Abstract
The utility model provides a kind of double Gash milling cutters of efficient high life, comprising: knife handle extends from the knife handle with diameter D1 and cutter head and has end face diameter D2;Wherein the cutter head includes: end sword, is opened in the cutter head end face, and extend to the diameter core of the cutter head;Zhou Ren, is opened in the cutter head circumferential direction, and Xiang Suoshu knife handle extends spirally;Chip space is opened between two neighboring Zhou Ren;At least two angles Gash, end sword and the Zhou Ren described in fusion connection.The milling cutter of the utility model, in end sword and all sword fusion connection parts, two angles Gash are set, it is easy to produce tipping when solving prior art processing stainless steel category end mill, chip removal is unsmooth, the bad disadvantage of rigidity, can achieve the Production Life of the 2 times or more of original cutter, and improve cutter production capacity, production efficiency is greatly improved, has saved great amount of cost.
Description
Technical field
The utility model relates to the cutter fields for machine tooling, and in particular to a kind of double Gash millings of efficient high life
Knife.
Background technique
Mill type includes spherical, rectangular and radius of corner type, and the main body of the application is related to radius of corner milling
Knife.
Application No. is 201380059324.6 Chinese patent, disclosing a kind of radius of corner end mill(ing) cutter includes along cutting
The fusion notch (blended gash) that edge extends.Fusion notch is formed in the fillet fan portion of the end mill(ing) cutter.Fusion is cut
Mouth extends from first end, so that the half that is more than that it leaves the radius chamfer cutting edge of radius does not have score.The fusion
Notch makes the end notch surface (end gash) and the fusion of slot knife face surface of the radius of corner end mill(ing) cutter.
In this kind of milling cutter, the angle gash is mainly the effect for holding bits and chip removal, and during High-speed machining, chip is smoothly arranged
It is extremely important to cutter out, but the angle Gash is excessive or setting is unreasonable, will reduce cutting edge intensity, and easily produce tipping, chip removal is not
Freely, rigidity is bad, not high so as to cause cutter life.
Utility model content
To solve the above problems, the utility model provides a kind of double Gash milling cutters of efficient high life.The utility model
Two angles Gash are arranged in end sword and all sword fusion connection parts, when solving prior art processing stainless steel category end mill in milling cutter
It is easy to produce tipping, chip removal is unsmooth, and the bad disadvantage of rigidity can achieve the Production Life of the 2 times or more of original cutter, and improve
Cutter production capacity, is greatly improved production efficiency, has saved great amount of cost.
To realize the technical purpose, the technical solution of the utility model is: a kind of double Gash milling cutters of efficient high life, packet
It includes:
Knife handle, with diameter D1, and
Cutter head extends from the knife handle and has end face diameter D2;
Wherein the cutter head includes:
Sword is held, is opened in the cutter head end face, and extend to the diameter core of the cutter head;
Zhou Ren, is opened in the cutter head circumferential direction, and Xiang Suoshu knife handle extends spirally;
Chip space is opened between two neighboring Zhou Ren;
At least two angles Gash, end sword and the Zhou Ren described in fusion connection.
Further, the core diameter D3 of the cutter head is 50%~65% × D2;The high cutter head diameter core H3 of the end sword is 1%
~3% × D2, the excessively described cutter head diameter core H4 of the end sword are 3%~7% × D2.
Further, the end sword is tilted to the knife handle direction.
Further, the end sword includes end sword rake face, end sword major first flank, end the second flank of sword;
Holding the axial plane included angle A 7 of sword rake face and the cutter head is 0 °~5 °, holds the end of sword major first flank and the cutter head
Face included angle A 8 is 5 °~10 °, and holding the width H2 of sword major first flank is 10%~12% × D2, the second flank and the knife
The end face included angle A 9 of head is 15 °~20 °.
Further, the peripheral end portion setting point of a knife protection part of the end sword rake face, end sword major first flank, and point of a knife
Protection partial width H5 is 2%~3% × D2, and tool arc forming part R1 is arranged.
Further, the end sword is arranged four in the cutter head end face, and branch's angle A 3 of four end swords, A4 are 80 °
~90 °, 90 °~100 °.
Further, the Zhou Ren includes all sword rake faces, all sword flanks;
The axial plane included angle A 5 of all sword rake faces and the cutter head is 0 °~6 °, the tooth tip week of all sword flanks and the Zhou Ren
It is 6 °~12 to the included angle A 6 of section;All sword flank width H1 are 15%~18% × D2.
Further, the spiral angle A1 of the Zhou Ren is 30 °~45 °.
As a kind of preferred embodiment of the utility model, it is based on above content, unlike, the cutter head includes
First angle Gash and two, the 2nd angle the Gash angle Gash, the angle A 10 at the first angle Gash are 25 °, the angle A 11 at the 2nd angle Gash
It is 50 °, the height H6 at the first angle blade Gash is 30%~35% × D2.
The utility model has the beneficial effects that:
The milling cutter of the utility model is arranged two angles Gash in end sword and all sword fusion connection parts, solves existing skill
It is easy to produce tipping when art processing stainless steel category end mill, chip removal is unsmooth, and the bad disadvantage of rigidity can achieve 2 times of original cutter
Above Production Life, and cutter production capacity is improved, production efficiency is greatly improved, has saved great amount of cost.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model efficient high life double Gash milling cutters;
Fig. 2 is the corresponding front view of the utility model Fig. 1;
Fig. 3 is the corresponding cutter head end view of the utility model Fig. 1;
Fig. 4 is the part B enlarged structure schematic diagram in the utility model Fig. 3;
Fig. 5 is the schematic diagram of the section structure of the utility model end sword;
Fig. 6 is the gash angle sections structural schematic diagram of the utility model;
Fig. 7 is the part A enlarged structure schematic diagram in the utility model Fig. 3.
Specific embodiment
The technical solution of the utility model will be clearly and completely described below.
A kind of double Gash milling cutters of efficient high life, as shown in Figure 1, comprising:
Knife handle, with diameter D1, and
Cutter head extends from the knife handle and has end face diameter D2;
Wherein the cutter head includes:
Sword is held, is opened in the cutter head end face, and extend to the diameter core of the cutter head;
Zhou Ren, is opened in the cutter head circumferential direction, and Xiang Suoshu knife handle extends spirally;
Chip space is opened between two neighboring Zhou Ren;
At least two angles Gash, end sword and the Zhou Ren described in fusion connection.
Further, the core diameter D3 of the cutter head is 50%~65% × D2;The high cutter head diameter core H3 of the end sword is 1%
~3% × D2, the excessively described cutter head diameter core H4 of the end sword are 3%~7% × D2.
Further, the end sword is tilted to the knife handle direction.
Further, the end sword includes end sword rake face, end sword major first flank, end the second flank of sword;
Holding the axial plane included angle A 7 of sword rake face and the cutter head is 0 °~5 °, holds the end of sword major first flank and the cutter head
Face included angle A 8 is 5 °~10 °, and holding the width H2 of sword major first flank is 10%~12% × D2, the second flank and the knife
The end face included angle A 9 of head is 15 °~20 °.
Further, the peripheral end portion setting point of a knife protection part of the end sword rake face, end sword major first flank, and point of a knife
Protection partial width H5 is 2%~3% × D2, and tool arc forming part R1 is arranged.Point of a knife protects the design of part further
Tipping is prevented, the rigidity of milling cutter is improved.
Further, the end sword is arranged four in the cutter head end face, and branch's angle A 3 of four end swords, A4 are 80 °
~90 °, 90 °~100 °.
Further, the Zhou Ren includes all sword rake faces, all sword flanks;
The axial plane included angle A 5 of all sword rake faces and the cutter head is 0 °~6 °, the tooth tip week of all sword flanks and the Zhou Ren
It is 6 °~12 to the included angle A 6 of section;All sword flank width H1 are 15%~18% × D2.
Further, the spiral angle A1 of the Zhou Ren is 30 °~45 °.
As a kind of preferred embodiment of the utility model, it is based on above content, unlike, the cutter head includes
First angle Gash and two, the 2nd angle the Gash angle Gash, the angle A 10 at the first angle Gash are 25 °, the angle A 11 at the 2nd angle Gash
It is 50 °, the height H6 at the first angle blade Gash is 30%~35% × D2.The design at the first angle Gash and the 2nd angle Gash, solution
It is easy to produce tipping when the prior art of having determined processing stainless steel category end mill, chip removal is unsmooth, and the bad disadvantage of rigidity can achieve original
The Production Life of the 2 times or more of cutter, and cutter production capacity is improved, production efficiency is greatly improved, has saved great amount of cost.
For those of ordinary skill in the art, without departing from the concept of the present invention, may be used also
To make several modifications and improvements, these are all within the protection scope of the present invention.
Claims (9)
1. a kind of double Gash milling cutters of efficient high life characterized by comprising
Knife handle, with diameter D1, and
Cutter head extends from the knife handle and has end face diameter D2;
Wherein the cutter head includes:
Sword is held, is opened in the cutter head end face, and extend to the diameter core of the cutter head;
Zhou Ren, is opened in the cutter head circumferential direction, and Xiang Suoshu knife handle extends spirally;
Chip space is opened between two neighboring Zhou Ren;
At least two angles Gash, end sword and the Zhou Ren described in fusion connection.
2. double Gash milling cutters of efficient high life according to claim 1, which is characterized in that the core diameter D3 of the cutter head is
50%~65% × D2;The high cutter head diameter core H3 of the end sword is 1%~3% × D2, the excessively described cutter head diameter core of the end sword
H4 is 3%~7% × D2.
3. double Gash milling cutters of efficient high life according to claim 2, which is characterized in that the end sword is to the knife handle side
To inclination.
4. double Gash milling cutters of efficient high life according to claim 3, which is characterized in that the end sword includes knife before the sword of end
Face, end sword major first flank, end the second flank of sword;
Holding the axial plane included angle A 7 of sword rake face and the cutter head is 0 °~5 °, holds the end face of sword major first flank and cutter head folder
Angle A8 is 5 °~10 °, and holding the width H2 of sword major first flank is 10%~12% × D2, the second flank and the cutter head
End face included angle A 9 is 15 °~20 °.
5. double Gash milling cutters of efficient high life according to claim 4, which is characterized in that the end sword rake face, end sword
The peripheral end portion setting point of a knife of major first flank protects part, and point of a knife protection partial width H5 is 2%~3% × D2, and is set
Set tool arc forming part R1.
6. double Gash milling cutters of efficient high life according to claim 5, which is characterized in that the end sword is arranged four in institute
Cutter head end face is stated, and branch's angle A 3 of four end swords, A4 are 80 °~90 °, 90 °~100 °.
7. double Gash milling cutters of efficient high life according to claim 6, which is characterized in that the Zhou Ren includes knife before Zhou Ren
Face, all sword flanks;
The axial plane included angle A 5 of all sword rake faces and the cutter head is 0 °~6 °, and the tooth tip of all sword flanks and the Zhou Ren are circumferentially cut
The included angle A 6 in face is 6 °~12;All sword flank width H1 are 15%~18% × D2.
8. double Gash milling cutters of efficient high life according to claim 7, which is characterized in that the spiral angle A1 of the Zhou Ren
It is 30 °~45 °.
9. double Gash milling cutters of efficient high life according to claim 8, which is characterized in that the cutter head includes the first Gash
Angle and two, the 2nd angle the Gash angle Gash, the angle A 10 at the first angle Gash are 25 °, and the angle A 11 at the 2nd angle Gash is 50 °, the
The height H6 at one angle blade Gash is 30%~35% × D2.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111633393A (en) * | 2020-06-10 | 2020-09-08 | 宁波震裕科技股份有限公司 | Female die hole machining process for female die fixing plate in motor core forming die |
-
2018
- 2018-09-28 CN CN201821594631.0U patent/CN209206562U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111633393A (en) * | 2020-06-10 | 2020-09-08 | 宁波震裕科技股份有限公司 | Female die hole machining process for female die fixing plate in motor core forming die |
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