Bearing roller machining process

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Bearing roller machining process
Source: China Bearing Network Time: 2014-03-22
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1. Cylindrical roller process process blank formingâ†’deburring or ring beltâ†’soft grinding raceway surfaceâ†’soft grinding double end faceâ†’heat treatmentâ†’front rough grinding tumble surfaceâ†’rough grinding double end faceâ†’back end rough grinding tumble surfaceâ†’finishing double end faceâ†’fine , fine grinding and rolling surface â†’ super fine grinding and rolling surface â†’ clear, dry â†’ final inspection appearance, scale grouping â†’ oil packaging.
2. Process of tapered roller blank forming â†’ deburring or ring belt â†’ soft grinding raceway surface â†’ soft grinding double end face â†’ heat treatment â†’ rough grinding tumbling surface â†’ fine grinding tumbling surface â†’ grinding ball base surface â†’ fine grinding tumbling surface â†’ super fine grinding tumbling Face â†’ clear, dry â†’ final inspection appearance, scale grouping â†’ oil packaging.
The above two types of rollers can be made into a convex shaped busbar rolling surface; if the convexity is less than 0. 005mm; usually can be directly carried out in the superfinishing tumbling process, if the convex measurement is greater than 0. 005mm; usually in the final fine Grinding and rolling process to grind the crown; then super finishing.
3. Needle forming process of the needle roller â†’ deburring â†’ heat treatment â†’ coarse, fine, fine grinding tumbling surface â†’ super fine grinding tumbling surface or sawdust polishing.
For flat head and cone needle roller; if the blank forming is difficult to ensure the length scale public service; then the grinding double end process can be added when grinding the rolling surface. If the convex shape busbar rolling surface is required; it can be directly on the super finishing tumbling surface or çªœIn the light process.
4. Asymmetric spherical roller process blank forming â†’ deburring or ring belt â†’ soft grinding tumbling surface â†’ soft grinding double end surface â†’ heat treatment â†’ grinding aspheric end surface â†’ grinding ball end surface â†’ coarse, fine, fine grinding tumbling surface â†’ polishing â†’ removal, Dry â†’ final inspection appearance, scale grouping â†’ oil packaging.
The process of symmetrical spherical roller is:
Blank formingâ†’deburring or ring beltâ†’soft grinding raceway surfaceâ†’soft grinding double end faceâ†’heat treatmentâ†’rough grinding tumbling surfaceâ†’coarse and fine grinding double end faceâ†’fine, fine grinding tumbling surfaceâ†’polishingâ†’clearing, boringâ†’final inspection appearance, scale Group â†’ oil packaging.
If the finishing tumbling process can reach the surface roughness requirement, it can be polished.
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