A car eps electronic power steering spiral pulley
An electronic power steering and pulley technology, which is applied to belts/chains/gears, elements with teeth, hoisting devices, etc., can solve the problem of low manufacturing precision of large pulleys, and achieve smooth meshing, good practicability and high precision. Effect
Active Publication Date: 2019-01-04
扬州保来得科技实业有限公司
View PDF12 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Purpose of the invention: In view of the deficiencies in the prior art, the purpose of the invention is to provide an automotive EPS electronic power steering spiral pulley, in order to solve the problem of low manufacturing precision of large pulleys with a pressure exceeding 300T
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0024] The present invention will be further described below in conjunction with specific drawings.
[0025] like figure 1 and figure 2 As shown, the automotive EPS electronic power steering spiral pulley includes a wheel hub 1, a wheel spoke 3 and a central shaft hole 2, and the wheel spoke 3 is connected between the central shaft hole 2 and the wheel hub 1; The flange 6 is provided with a groove 7 on the surface of the hub 1 between the inner flange 5 and the outer flange 6 . Holes 4 are provided on the spokes 3 . The inner diameter of the central shaft hole 2 gradually decreases from the inside to the outside. The powder metallurgy composition of the spiral pulley is: Fe: balance; Cu: 1.0-5.0%; C: 0.2-1.0%; unavoidable impurities do not exceed 1%.
[0026] The preparation method of the automotive EPS electronic power steering spiral pulley comprises the following steps:
[0027] 1) Take the material and form it in a mold at room temperature under the action of a 450-7...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| density | aaaaa | aaaaa |
| angle | aaaaa | aaaaa |
| length | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses an automobile EPS (electric power steering) spiral belt pulley. The belt pulley comprises a hub, a spoke and a central shaft hole, wherein the spoke is connected between the central shaft hole and the hub; an inner flange and an outer flange are arranged on two sides of the hub; and grooves are formed in the hub surface between the inner flange and the outer flange. The spiral belt pulley is prepared from powder metallurgy composition as follows: 1.0%-5.0% of Cu, 0.2%-1.0% of C, less than or equal to 1% of inevitable impurities and the balance of Fe. The automobile EPS spiral belt pulley is high in precision, belt transmission can be more stable, and automobile steering is more convenient and smoother. Technical problems that spiral belt pulleys, particularly large belt pulleys with pressure exceeding 300 T, are not high in manufacturing precision, the relation between the raw material change rate and the spiral lead is more difficult to control and the like are effectively solved, and the belt pulley has very high practicability.
Description
technical field [0001] The invention relates to the technical field of powder metallurgy, in particular to an automotive EPS electronic power steering spiral pulley. Background technique [0002] The existing automotive EPS electronic power steering spiral pulley has low product precision, especially the low precision of the helix angle, which leads to insufficient smooth belt transmission and insufficient lightness and smoothness when the car turns. Especially when making large pulleys with a pressure exceeding 300T, due to insufficient domestic powder metallurgy manufacturing experience, the precision is lower. The main reason is that the relationship between the raw material change rate and the screw lead is difficult to control, and the product cannot fully meet the use requirements. Contents of the invention [0003] Purpose of the invention: Aiming at the deficiencies in the prior art, the purpose of the invention is to provide an automotive EPS electronic power stee...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/00C22C38/16B23P15/14B22F5/00F16H55/40
CPCB22F1/0003B22F5/00B22F2301/10B22F2301/35B22F2302/40B23P15/14C22C38/16F16H55/40
Inventor 徐同邓恩龙马华荣刘宇
Owner 扬州保来得科技实业有限公司