Home>Bearing knowledge>Dynamic depiction of adjustable clearance rolling ball bearings (2)

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Distinctive depiction of adjustable clearance rolling ball bearings (2)

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Needless to say; this is a brand new plan; originality, feasibility and practicality. The bearing diagram with the novel layout depicted in the above principle is shown in Figure 1. The piece 1 and 4 are separated. Circumference; external thread is machined on piece 1; internal thread is machined on piece 4; finely mated with each other. To ensure the strength of the outer ring and the need for custom thread tamping; triangular fine thread should be selected; Outer ring thickness. Piece 2 is steel ball; double row arrangement and radial full cloth are adopted; however, satisfactory empty space should be left between steel balls; avoid steel ball “too squeezed”; conflict with each other to reduce bearing power. In order to adjust the gasket group; a variety of different thickness standards should be prepared; in order to select the combination. If possible, it can also participate in the chrysanthemum elastic gasket; it is more useful to prevent the thread from being loose. The 5 is the inner ring of the bearing; It is characterized by left-right symmetry; a special curved ballway with a skew on its outer circle; a device for facilitating the rollover; and an effect of adjusting the play. In addition, four to six uniforms are provided on each end face of the outer ring. Wrench hole; used to puncture special tools during adjustment Tighten the thread. These layouts are simple and straightforward; the usual food is still the depiction of the fairway curve on the inner and outer rings; it is the key to victory and defeat; it can't be careless. It must be satisfied with the basic needs of adjusting the play; Think about important factors such as extra load, touch intensity, fatigue life, processing technology, etc. Fortunately, many elders have done a lot of deep research work and are effective; many materials and experiences are available for learning; Shallow; thank you in this regard. Limited to the length; here for discussion.
2 Features of the depiction (1) Simple processing: Because there is a central adjustable link; the processing scale of the part can be greatly relaxed; the scrap rate is also reduced exponentially. Together, the accuracy requirement for the machine tool can be reduced. It makes it possible to machine high-precision bearings on general precision machine tools. The skill level of workers can also be appropriately reduced; it has certain economic benefits.
(2) Convenience of equipment and equipment: After the outer ring is made into a component type; it can conveniently adjust the radial clearance of the bearing to the ambition value; it can reach higher precision without using the grouping device method. The equipment on the shaft is also very Convenience; no additional adjustment equipment is added; the layout of the whole machine is simplified.
(3) Improve the force situation: the double-row rolling body can be used to increase the bearing capacity; and can accept the two-way axial force.
(4) Reducing the variety of parts: After the outer ring is made into a component type; the roll body can be covered on the fairway; this can save the cage. This can also reduce the process; improve the carrying capacity; it can be said that it is more than one effort.
(5) Protection and repair convenience: When the bearing is out of play due to wear and tear; only need to properly reduce the thickness of the adjustment pad; it can reduce the clearance; the original accuracy of the rehabilitation; correspondingly extend the service life of the bearing. In addition; when only a single component is abnormally damaged; it is also possible to replace the damaged part to correct the bearing; or even the old as new; it is a good way to get rid of it.
3 Insufficient points (1) The process of cutting the inner and outer threads on the outer ring is added. And because of the existence of the thread, the stress gathering is easy to occur; together, the heat 1P disposal becomes difficult.
(2) The axial dimension of the bearing is relatively large; and because of the randomness of the thickness of the adjusted gasket, there is a large shake.
(3) The outer ring needs to be thickened; the data consumption is increased.
The adjustable clearance rolling bearing analyzed here has the advantages of novel concept, reasonable layout, convenient equipment and easy repair. Especially after the outer ring of the bearing is changed from integral to axial split combination; The problem is easy to solve; it can be read by peers. This drawing can also be extended to other types of bearing depiction. The depiction is a non-standard bearing depiction. There are still many deep problems to be explored; the shortcomings need to be solved. Realistically hope to get the guidance and assistance of peer professors.

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