CN212443409U - Tungsten steel milling cutter for aluminum - Google Patents
Tungsten steel milling cutter for aluminum Download PDFInfo
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- CN212443409U CN212443409U CN201922476809.2U CN201922476809U CN212443409U CN 212443409 U CN212443409 U CN 212443409U CN 201922476809 U CN201922476809 U CN 201922476809U CN 212443409 U CN212443409 U CN 212443409U
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Abstract
The utility model relates to a milling cutter design field, concretely relates to tungsten steel milling cutter for aluminium. The aluminum tungsten steel milling cutter comprises a metal shank part, an arc-shaped transition part and a cutting part; the arc-shaped transition part is arranged at one end of the metal handle part; the cutting part is arranged at one end of the arc transition part far away from the metal handle part; the cutting part comprises two end teeth and two peripheral teeth; the end teeth are arranged at the end part of the cutting part; the two peripheral teeth are spirally arranged on the periphery of the cutting part from left to right, and the end parts of the two peripheral teeth are connected with the end teeth; a spiral chip groove is formed between the two peripheral teeth; the first back angle of the end tooth is 12 degrees and the second back angle of the end tooth is 20 degrees; the front angle of the peripheral teeth is 12 degrees; the first rear angle of the peripheral teeth is 12 degrees; a secondary rear angle of the peripheral teeth is 26 degrees; the width of the blade band of the peripheral teeth is 0.08-0.16 mm; the flank width of the peripheral tooth is 0.21 to 0.30 mm.
Description
Technical Field
The utility model relates to a milling cutter design field, concretely relates to tungsten steel milling cutter for aluminium.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
The existing milling cutter has the defects of poor chip removal effect and low cutting efficiency due to unreasonable structure and size design.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a size reasonable in design, the chip removal is effectual, milling cutter that cutting efficiency is high.
The tungsten steel milling cutter for the aluminum comprises a metal shank part, an arc-shaped transition part and a cutting part; the arc-shaped transition part is arranged at one end of the metal handle part; the cutting part is arranged at one end of the arc transition part far away from the metal handle part;
wherein the cutting part comprises two end teeth and two peripheral teeth; the end teeth are arranged at the end part of the cutting part; the two peripheral teeth are spirally arranged on the periphery of the cutting part from left to right, and the end parts of the two peripheral teeth are connected with the end teeth; a spiral chip groove is formed between the two peripheral teeth; the first back angle of the end tooth is 12 degrees and the second back angle of the end tooth is 20 degrees; the front angle of the peripheral teeth is 12 degrees; the first rear angle of the peripheral teeth is 12 degrees; a secondary rear angle of the peripheral teeth is 26 degrees; the width of the blade band of the peripheral teeth is 0.08-0.16 mm; the width of the flank of the peripheral tooth is 0.21-0.30 mm; the included angle between the two side edges of the arc transition part is 30 degrees; the helical angle formed by the peripheral tooth edge of the peripheral tooth and the transverse axial lead of the tungsten steel milling cutter for aluminum is 30 degrees.
More specifically, the total length of the tungsten steel milling cutter for aluminum is 75 mm; wherein the length of the cutting part is 6.7 mm.
More specifically, the aluminum tungsten steel milling cutter is convexly provided with an aluminum chromium nitride coating.
More specifically, the metal handle is a cylindrical metal handle; and a chamfer is arranged at one end of the metal handle part, which is far away from the arc-shaped transition part.
More specifically, the diameter of the metal shank is 4mm in length. The diameter length of the cutting part is 1.4 mm.
More specifically, the surface finish of the metal handle is 0.2 um; the surface finish of the cutting part is 0.4 um.
More specifically, the width of the blade band of the peripheral teeth is 0.26 mm; the width of the flank of the peripheral tooth is 0.26 mm.
More specifically, the length of the cutting edges of the two end teeth crossing the central axis of the tungsten steel milling cutter for aluminum is 0.02 to 0.04 mm.
The utility model relates to a tungsten steel milling cutter for aluminium, through the setting of two end teeth, the effectual chip removal intensity that improves spiral chip groove, simultaneously, because reasonable size design, cutting efficiency is high, in addition, because the setting of arc transition portion has realized the smooth transition between metal stalk portion and the cutting portion for the structure is more stable, and the industry is easily the shaping.
Drawings
Fig. 1 is an overall schematic view of a tungsten steel milling cutter for aluminum according to the present invention;
fig. 2 is an overall view of another angle of a tungsten steel milling cutter for aluminum according to the present invention;
FIG. 3 is a schematic sectional view of C-C in FIG. 2;
FIG. 4 is an enlarged view of a portion β of FIG. 3;
FIG. 5 is a schematic view of the cutting portion of FIG. 2 taken in the direction of K;
fig. 6 is a sectional view of the portion of the end tooth at B-B in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention provides a preferred embodiment, which is realized by a tungsten steel milling cutter for aluminum, comprising a metal handle part 1, an arc transition part 2 and a cutting part 3; the arc-shaped transition part 2 is arranged at one end of the metal handle part 1; the cutting part 3 is arranged at one end of the arc transition part 2 far away from the metal handle part 1;
wherein the cutting part 3 comprises two end teeth 31 and two peripheral teeth 32; the end tooth 31 is arranged at the end part of the cutting part 3; the two circumferential teeth 32 are spirally arranged on the outer circumference of the cutting part 3 from left to right, and the end parts of the two circumferential teeth are connected with the end teeth 31; a spiral chip groove 33 is arranged between the two peripheral teeth 32; the first end tooth back angle 311 of the end tooth 31 is 12 degrees and the second end tooth back angle 312 is 20 degrees; the circumferential tooth rake angle 321 of the circumferential tooth 32 is 12 degrees; the first rear angle 322 of the peripheral teeth 32 is 12 degrees; the secondary peripheral tooth clearance angle 26 of the peripheral teeth 32 is 26 degrees; the width 324 of the blade of the peripheral tooth 32 is 0.08 to 0.16 mm; the rear blade surface width 325 of the peripheral teeth 32 is 0.21 to 0.30 mm; an included angle alpha between two side edges of the arc transition part 2 is 30 degrees; the helical angle formed by the peripheral tooth edge of the peripheral tooth 32 and the transverse axial lead of the tungsten steel milling cutter for aluminum is 30 degrees.
More specifically, the total length of the tungsten steel milling cutter for aluminum is 75 mm; wherein the length of the cutting part 3 is 6.7 mm.
More specifically, the aluminum tungsten steel milling cutter is convexly provided with an aluminum chromium nitride coating.
More specifically, the metal handle 1 is a cylindrical metal handle 1; and a chamfer 11 is arranged at one end of the metal handle part 1, which is far away from the arc-shaped transition part 2.
More specifically, the diameter of the metal shank 1 is 4 mm. The cutting portion 3 has a diameter of 1.4 mm.
More specifically, the surface finish of the metal handle 1 is 0.2 um; the surface finish of the cutting part 3 is 0.4 um.
More specifically, the width 324 of the edge band of the peripheral teeth 32 is 0.26 mm; the flank width 325 degrees of the peripheral tooth 32 is 0.26 mm.
More specifically, the cutting edges 313 of the two end teeth 31 have a length of 0.02 to 0.04mm across the central axis 4 of the milling cutter for tungsten steel for aluminum.
The utility model relates to a tungsten steel milling cutter for aluminium, through the setting of two end teeth, the effectual chip removal intensity that improves spiral chip groove, simultaneously, because reasonable size design, cutting efficiency is high, in addition, because the setting of arc transition portion has realized the smooth transition between metal stalk portion and the cutting portion for the structure is more stable, and the industry is easily the shaping.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tungsten steel milling cutter for aluminium which characterized in that: the aluminum tungsten steel milling cutter comprises a metal shank part, an arc-shaped transition part and a cutting part; the arc-shaped transition part is arranged at one end of the metal handle part; the cutting part is arranged at one end of the arc transition part far away from the metal handle part;
wherein the cutting part comprises two end teeth and two peripheral teeth; the end teeth are arranged at the end part of the cutting part; the two peripheral teeth are spirally arranged on the periphery of the cutting part from left to right, and the end parts of the two peripheral teeth are connected with the end teeth; a spiral chip groove is formed between the two peripheral teeth; the first back angle of the end tooth is 12 degrees and the second back angle of the end tooth is 20 degrees; the front angle of the peripheral teeth is 12 degrees; the first rear angle of the peripheral teeth is 12 degrees; a secondary rear angle of the peripheral teeth is 26 degrees; the width of the blade band of the peripheral teeth is 0.08-0.16 mm; the width of the flank of the peripheral tooth is 0.21-0.30 mm; the included angle between the two side edges of the arc transition part is 30 degrees; the helical angle formed by the peripheral tooth edge of the peripheral tooth and the transverse axial lead of the aluminum tungsten steel milling cutter is 30 degrees; the total length of the tungsten steel milling cutter for aluminum is 75 mm; wherein the length of the cutting part is 6.7 mm; and an aluminum nitride chromium coating is convexly arranged on the aluminum tungsten steel milling cutter.
2. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the metal handle is a cylindrical metal handle; and a chamfer is arranged at one end of the metal handle part, which is far away from the arc-shaped transition part.
3. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the diameter length of the metal handle is 4 mm.
4. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the diameter length of the cutting part is 1.4 mm.
5. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the surface finish of the metal handle is 0.2 um; the surface finish of the cutting part is 0.4 um.
6. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the width of the blade band of the peripheral teeth is 0.26 mm; the width of the flank of the peripheral tooth is 0.26 mm.
7. The milling cutter for tungsten steel for aluminum according to claim 1, wherein: the length of the cutting edges of the two end teeth crossing the central axis of the tungsten steel milling cutter for aluminum is 0.02-0.04 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476809.2U CN212443409U (en) | 2019-12-31 | 2019-12-31 | Tungsten steel milling cutter for aluminum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476809.2U CN212443409U (en) | 2019-12-31 | 2019-12-31 | Tungsten steel milling cutter for aluminum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212443409U true CN212443409U (en) | 2021-02-02 |
Family
ID=74479261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922476809.2U Active CN212443409U (en) | 2019-12-31 | 2019-12-31 | Tungsten steel milling cutter for aluminum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212443409U (en) |
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2019
- 2019-12-31 CN CN201922476809.2U patent/CN212443409U/en active Active
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