How to process bearing roller is made of it? Many people are very curious, self-lubricating bearings Fan total to introduce in detail:
Cylindrical roller process
Blank
forming → deburring or ring zone → soft grinding raceway → soft
grinding double face → heat treatment → rough grinding rolling face →
coarse grinding double face → rough grinding rolling face → final
grinding double face → fine and final grinding rolling face → super Finishing rolling surface → cleaning, drying → final inspection appearance, size group → oiled packaging.
2. Tapered roller process
Blank
forming → deburring or ring → soft grinding raceway → soft grinding
double end → heat treatment → coarse grinding rolling surface → fine
grinding rolling surface → grinding ball base → final grinding rolling
surface → superfinishing rolling surface → cleaning and drying → Final inspection appearance, size group → oiled packaging.
The
above two kinds of rollers can be made of convex-shaped busbar rolling
surface, if the convexity amount is less than 0.005mm, it can be
directly carried out in the super-finishing rolling surface process; if
the convexity amount is more than 0.005mm, it can generally roll on the
final final grinding Surface process out of crown, and then super-precision machining.
3 needle needle process
Blank forming → deburring → heat treatment → rough, fine and final
grinding rolling surface → Super finishing rolling surface or saw dust
polishing.
The
flathead and cone head needle, such as rough forming difficult to
guarantee the length of the size tolerance, you can roll mill increase
grinding double-ended process. If you need to convex-shaped busbar rolling surface can be directly super-machining rolling surface or channeling process.
4. Asymmetric spherical roller process
Blank
forming → deburring or annulus → soft grinding raceway → soft grinding
double end → heat treatment → grinding non-spherical end surface →
grinding ball end surface → rough, fine and final grinding rolling
surface → polishing → cleaning and drying → final inspection Appearance
and size grouping → oiled packaging.
Symmetric spherical roller process is:
Blank
forming → deburring or annulus → soft grinding raceway → soft grinding
double end → heat treatment → coarse grinding rolling surface → coarse
and final grinding double end surface → fine and final grinding rolling
surface → polishing → cleaning and drying → final inspection Appearance
and size Group → oiled packaging.
If the final grinding rolling process can reach the surface roughness requirements, you can not be polished.
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