CN213104712U - Single-blade left-handed right-cutting ball end mill - Google Patents
Single-blade left-handed right-cutting ball end mill Download PDFInfo
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- CN213104712U CN213104712U CN202021748919.6U CN202021748919U CN213104712U CN 213104712 U CN213104712 U CN 213104712U CN 202021748919 U CN202021748919 U CN 202021748919U CN 213104712 U CN213104712 U CN 213104712U
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Abstract
A single-blade left-handed right-cutting ball end mill belongs to the technical field of machinery and tools. The bulb cutter is a single edge, namely the cutting edge of the bulb part is a single tooth, and the circumferential edge part is also a single tooth; the ball head part is a right-handed right cutting edge with 20 degrees, and the circumference part is a left-handed right cutting edge with 20 degrees. The utility model has the advantages that a cutter in non-metallic material cutting process field, mainly used are processing the three-dimensional curved surface of non-metallic material to and the single-blade levogyration right side cutting ball end milling cutter who uses when reducing part upper surface burr.
Description
Technical Field
The utility model belongs to the technical field of machinery and instrument, a single-blade levogyration right side cut ball end mill is related to.
Background
Since some parts are non-metallic materials such as plastics and the like when processing products. The part must also be obtained by machining. However, the non-metallic material is relatively soft, and chips are not easily broken during cutting, and burrs are easily formed on the upper surface of the component. In addition, the root of the part has a larger arc and the bottom surface is a three-dimensional curved surface, so that the part can only be processed by a ball end mill. There is currently no such tool.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem that prior art exists, the sharpness of bulb part cutting edge is convenient for the chip removal again when guaranteeing to process three-dimensional bottom surface provides a ball end mill is cut to single-blade levogyration right side.
The problems in the prior art are solved by the following technical scheme: a single-edge left-handed right-handed ball-end milling cutter is characterized in that a ball-end cutter is a single edge, namely a cutting edge of a ball-end part is a single tooth, and a circumferential edge part is also a single tooth; the ball head part is a right-handed right cutting edge with 20 degrees, and the circumference part is a left-handed right cutting edge with 20 degrees.
The diameter of the edge part of the single-edge ball-end milling cutter is 0.6mm, the ball-end radius of the single-edge ball-end milling cutter is SR0.3mm, the effective edge length of the single-edge ball-end milling cutter is 2.5mm, the working length is 3mm, the length of the transition part is 8mm, the total length of the single-edge ball-end milling cutter is 45mm, the peripheral edge helix angle of the single-edge ball-end milling cutter is 20 degrees left-handed right cut, the diameter of the transition part between the edge diameter of 0.6mm and the diameter of the handle part is 4mm, the diameter of the handle part of the single-edge ball-end milling cutter is 4mm, the transition taper between the transition diameter of 1v and the diameter of the handle is 30 degrees, the edge helix angle of the ball-end part is 20 degrees right-handed right cut, the center amount of a tool nose is 0.02-0.05 mm, the angle of the tool tip is 39 degrees, the size of the initial position of the peripheral edge of the single-edge ball-end milling, the first relief angle of the single-edge ball-end milling cutter is 25 degrees, the width of the first relief angle of the single-edge ball-end milling cutter is 0.06, the second relief angle of the single-edge ball-end milling cutter is 35 degrees, and the clearance avoiding size of the cutter body is 0.05 mm.
The utility model has the advantages that a cutter in non-metallic material cutting process field, mainly used are processing the three-dimensional curved surface of non-metallic material to and the single-blade levogyration right side cutting ball end milling cutter who uses when reducing part upper surface burr.
The utility model discloses mainly used processing non-metallic material's three-dimensional curved surface. The non-metallic material is soft in texture, cutting chips are not easy to break in cutting processing, and burrs are easy to generate on the upper surface of a part. When the root of the part has a larger arc and the bottom surface is a three-dimensional curved surface, the part can only be processed by using a ball end milling cutter. Especially when the part ratio is very small and the diameter of the used cutter is also small, in order to increase the chip containing space of the ball end milling cutter, the smooth chip removal is ensured. Therefore, the ball-end milling cutter is designed to be a single-edge left-handed right-cutting ball-end milling cutter for machining.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. As shown in the figure:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic view of the end face structure of the single-edge ball end mill of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
Fig. 4 is a second schematic view of a partial structure of the present invention.
Fig. 5 is a schematic view of the partial structure of the cross section a-a of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: as shown in fig. 1, 2, 3, 4 and 5, the ball head cutting edge part of the single-edge left-handed right-cutting ball end mill is right-handed cutting, the sharpness of the cutting edge of the ball head part is maintained, the cutting edge of the rear section cylindrical part is left-handed right-handed cutting, the structure of the part does not affect the sharpness of the peripheral edge, the chip discharge direction can be changed, and the generation of burrs on the upper surface of a part is reduced.
Example 2: as shown in figures 1, 2, 3, 4 and 5, a single-blade left-handed right-handed cutting head standThe milling cutter comprises a milling cutter, wherein the diameter of a blade part of a single-edge ball-end milling cutter is 0.6mm, the radius of a ball head of the single-edge ball-end milling cutter is SR0.3mm, the effective blade length of the single-edge ball-end milling cutter is 2.5mm, the working length is 3mm, the length of a transition part is 8mm, the total length of the single-edge ball-end milling cutter is 45mm, the peripheral blade helical angle of the single-edge ball-end milling cutter is 20 degrees left-handed right cut, the diameter of the transition part between the diameter of the blade part and the diameter of a handle part is 4mm is 1mm, the strength is increased
The transition taper between the single-edge ball-end milling cutter and the handle diameter 4mm is 30 degrees, the helical angle of the partial cutting edge of the ball head part is 20 degrees, the right-handed cutting is carried out, the over-center amount of the cutting edge is 0.02-0.05 mm, the angle of the cutting edge is 39 degrees, the size of the initial position of the peripheral edge of the single-edge ball-end milling cutter is 0.22mm, the length of the split cutting edge of the ball head part of the single-edge ball-end milling cutter is 0.40mm, one side of the ball-end edge is 0.05mm, the peripheral edge is lower than the size (clearance size) of the outer diameter, the front angle of the single-edge ball-end milling cutter is 20 degrees, the first rear angle of the single-edge ball-end milling cutter is 25 degrees, the.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A single-edge left-handed right-handed ball end mill is characterized in that a ball end cutter is a single edge, namely a cutting edge of a ball head part is a single tooth, and a circumferential edge part is also a single tooth; the ball head part is a right-handed right cutting edge with 20 degrees, and the circumference part is a left-handed right cutting edge with 20 degrees.
2. The single-edged left-handed right-handed ball end mill according to claim 1, wherein the single-edged ball end mill has a blade diameter of 0.6mm, a ball radius of the single-edged ball end mill is SR0.3mm, an effective blade length of 2.5mm, a working length of 3mm, a transition portion length of 8mm, a total length of 45mm, a peripheral blade helix angle of 20 ° left-handed right-handed cutting, a transition portion diameter of 1mm between the blade diameter of 0.6mm and a shank diameter of 4mm, a transition taper of 30 ° between the transition diameter 1v and the shank diameter of 4mm, a ball-end partial blade helix angle of 20 ° right-handed cutting, a nose over-center amount of 0.02 to 0.05mm, a nose angle of 39 °, a starting position size of the peripheral ball edge of 0.22mm, and a ball-end cut length of 0.40mm, ball head sword one side is 0.05mm, and the week sword is less than the size of external diameter, and single-blade ball head mill anterior angle is 20, and single-blade ball head mill first relief angle is 25, and single-blade ball head mill first relief angle width is 0.06, and single-blade ball head mill second relief angle is 35, and the clearance size of cutter body is 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748919.6U CN213104712U (en) | 2020-08-20 | 2020-08-20 | Single-blade left-handed right-cutting ball end mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748919.6U CN213104712U (en) | 2020-08-20 | 2020-08-20 | Single-blade left-handed right-cutting ball end mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213104712U true CN213104712U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021748919.6U Active CN213104712U (en) | 2020-08-20 | 2020-08-20 | Single-blade left-handed right-cutting ball end mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213104712U (en) |
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2020
- 2020-08-20 CN CN202021748919.6U patent/CN213104712U/en active Active
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