Cobalt-chromium-tungsten alloy material, cobalt-chromium-tungsten alloy ball for ball screw bearing and preparation method of cobalt-chromium-tungsten alloy ball, and ball screw bearing
A technology of cobalt-chromium-tungsten alloy and ball screw, which is applied in mechanical equipment, belts/chains/gears, transmission devices, etc., can solve the problems of few types of cobalt-chromium-tungsten alloys, high temperature corrosion resistance and high wear resistance, etc. Can not meet the use requirements of ball screw bearings and other problems, to achieve the effect of long service life, good strength and high precision
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0040]The cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment is composed of the following components in mass percentage: 39% cobalt, 36% chromium, 18% tungsten, 3% nickel, 3% graphite, and the balance is iron and unavoidable impurity elements.
[0041] The preparation method of the cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment comprises the following steps:
[0042] 1) Take the raw materials cobalt powder, chromium powder, tungsten powder, nickel-chromium alloy powder and graphite powder according to the formula, put them into the ball mill cylinder, and add hard quality alloy grinding balls and dispersion medium acetone, after ball milling for 60 hours, take out and dry and sieve to obtain the mixture;
[0043] 2) The mixture obtained in step 1) is molded by an automatic molding machine, and the pressing pressure is 120 MPa to obtain a compact with a spherical shape;
[0044] 3) Place...
Embodiment 2
[0052] The cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment is composed of the following components in mass percentage: 44% cobalt, 32% chromium, 17% tungsten, 3% nickel, 3% graphite, and the balance is iron and unavoidable impurity elements.
[0053] The preparation method of the cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment comprises the following steps:
[0054] 1) Take the raw materials cobalt powder, chromium powder, tungsten powder, nickel-chromium alloy powder and graphite powder according to the formula, put them into the ball mill cylinder, and add hard quality alloy grinding balls and dispersion medium acetone, after ball milling for 60 hours, take out and dry and sieve to obtain the mixture;
[0055] 2) The mixture obtained in step 1) is molded by an automatic molding machine, and the pressing pressure is 120 MPa to obtain a compact with a spherical shape;
[0056] 3) Plac...
Embodiment 3
[0064] The cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment is composed of the following components in mass percentage: 48% cobalt, 31% chromium, 16% tungsten, 2% nickel, 2.5% graphite, and the balance is iron and unavoidable impurity elements.
[0065] The preparation method of the cobalt-chromium-tungsten alloy ball used for the ball screw bearing of the present embodiment comprises the following steps:
[0066] 1) Take the raw materials cobalt powder, chromium powder, tungsten powder, nickel-chromium alloy powder and graphite powder according to the formula, put them into the ball mill cylinder, and add hard quality alloy grinding balls and dispersion medium acetone, after ball milling for 50 hours, take out and dry and sieve to obtain the mixture;
[0067] 2) The mixture obtained in step 1) is molded by an automatic molding machine, and the pressing pressure is 130 MPa to obtain a compact with a spherical shape;
[0068] 3) Pl...
PUM
Property | Measurement | Unit |
---|---|---|
Granularity | aaaaa | aaaaa |
Surface roughness | aaaaa | aaaaa |
Granularity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com