CN206925407U - A kind of automobile steering gear rack milling cutter - Google Patents
A kind of automobile steering gear rack milling cutter Download PDFInfo
- Publication number
- CN206925407U CN206925407U CN201720262412.1U CN201720262412U CN206925407U CN 206925407 U CN206925407 U CN 206925407U CN 201720262412 U CN201720262412 U CN 201720262412U CN 206925407 U CN206925407 U CN 206925407U
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- CN
- China
- Prior art keywords
- cutting edge
- steering gear
- gear rack
- angle
- automobile steering
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- 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.)
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Abstract
The utility model discloses a kind of automobile steering gear rack milling cutter, including cutter hub, cutter hub is provided with several spiral cutting edges, and spiral cutting edge is provided with cutting edge, and cutting edge is shaped as rack-shaped, and cutting edge carries positive rake angle.Wherein the quantity of spiral cutting edge can be 20~28, and the angle of the helical angle of spiral cutting edge can be 5 °~10 °, and the angle of cutting edge positive rake angle can be 5 °~8 °.The utility model has the beneficial effects such as high machining accuracy, high in machining efficiency, stable cutting, service life length, especially suitable for processing automobile steering gear rack.
Description
Technical field
A kind of milling cutter for manufacturing gear strip is the utility model is related to, it is specifically a kind of to be used to process motor turning
The milling cutter of device rack.
Background technology
With the high speed development of auto industry, requirement for auto parts and components also more and more higher.Manufacture high-precision vapour
Car steering gear rack, it is necessary to use the high performance milling cutter of high accuracy.And currently used for processing the milling cutter of automobile steering gear rack
Straight trough is all typically used, while because of reasons such as processing technologys, not only processing efficiency is extremely low, and machining accuracy is also not readily available
Ensure.
The content of the invention
Technical problem to be solved in the utility model is to propose that a kind of machining accuracy is high, high in machining efficiency, cutting is flat
Surely, the automobile steering gear rack milling cutter of service life length.
In order to solve the above technical problems, a kind of automobile steering gear rack milling cutter of the utility model includes cutter hub, the cutter hub
Several spiral cutting edges are provided with, the spiral cutting edge is provided with cutting edge, and the cutting edge is shaped as rack-shaped, the cutting edge band
There is positive rake angle.
A kind of above-mentioned automobile steering gear rack milling cutter, the spiral cutting edge quantity are 20~28.
A kind of above-mentioned automobile steering gear rack milling cutter, the angle of the helical angle of the spiral cutting edge is 5 °~10 °.
A kind of above-mentioned automobile steering gear rack milling cutter, the angle of the cutting edge positive rake angle is 5 °~8 °.
A kind of above-mentioned automobile steering gear rack milling cutter, the cutter hub is by powder high-speed tool steel or high cobalt high-speed tool steel
Into.
The utility model is as a result of above-mentioned technical pattern, with before just on the cutting edge of set spiral cutting edge on cutter hub
Angle, cutting edge can be made sharper, effectively improve stock-removing efficiency.The angle of the helical angle of spiral cutting edge is arranged to 5 °~10 °,
Cutting can be made more steady, improve processing efficiency.The quantity of blade is arranged to 20~28, it is ensured that tool sharpening essence
Degree, improve cutter life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model automobile steering gear rack milling cutter；
Fig. 2 is the lateral structure schematic diagram of the utility model automobile steering gear rack milling cutter.
Embodiment
As depicted in figs. 1 and 2, the utility model automobile steering gear rack milling cutter includes cutter hub 1, and cutter hub 1 is by powder high speed
Tool steel or high cobalt high-speed tool steel are made, and can further increase tool life, improve service life.If cutter hub 1 is provided with
A spiral cutting edge 2 is done, cutting edge 3 is equipped with each spiral cutting edge, cutting edge 3 is shaped as rack-shaped, and each cutting edge 3 is with just
Anterior angle γ（That is γ>0）（As shown in Figure 2）.In present embodiment, positive rake angle is the angle identical located at the cylindrical place of each cutting edge
Positive rake angle γ, its angle can be in the range of 5 °~8 ° preferably.
In the utility model structure, the quantity of spiral cutting edge 2 can be selected according to being actually needed, such as can be 20
Carried out between~28 preferred.The angle of the helixangleβ of spiral cutting edge 2 can also be in the range of 5 °~10 ° preferably.
Claims (4)
1. a kind of automobile steering gear rack milling cutter, including cutter hub, it is characterised in that the cutter hub is provided with several circular knifes
Sword, the spiral cutting edge are provided with cutting edge, and the cutting edge is shaped as rack-shaped, and the cutting edge carries positive rake angle, the cutting edge
The angle of positive rake angle is 5 °~8 °.
2. a kind of automobile steering gear rack milling cutter as claimed in claim 1, it is characterised in that the spiral cutting edge quantity is 20
~28.
A kind of 3. automobile steering gear rack milling cutter as claimed in claim 1 or 2, it is characterised in that the spiral shell of the spiral cutting edge
The angle of swing angle is 5 °~10 °.
4. a kind of automobile steering gear rack milling cutter as claimed in claim 1 or 2, it is characterised in that the cutter hub is by powder height
Fast tool steel or high cobalt high-speed tool steel are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262412.1U CN206925407U (en) | 2017-03-17 | 2017-03-17 | A kind of automobile steering gear rack milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262412.1U CN206925407U (en) | 2017-03-17 | 2017-03-17 | A kind of automobile steering gear rack milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206925407U true CN206925407U (en) | 2018-01-26 |
Family
ID=61349560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720262412.1U Active CN206925407U (en) | 2017-03-17 | 2017-03-17 | A kind of automobile steering gear rack milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206925407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581085A (en) * | 2018-06-05 | 2018-09-28 | 江阴市工具厂 | a kind of rack milling cutter |
-
2017
- 2017-03-17 CN CN201720262412.1U patent/CN206925407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581085A (en) * | 2018-06-05 | 2018-09-28 | 江阴市工具厂 | a kind of rack milling cutter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |