◆Specification model indication: product model high quality warranty period one year commodity quantity 1000 packaging indication industrial production wooden box price indication 154 Product introduction: Sendong bearing brand rolling bearing is a key component in today's mining equipment, its quality is related to the operation of all machinery and equipment. The article introduces the installation, maintenance, disassembly and difficult problems of rolling bearings in detail, and I look forward to helping you in the production and manufacturing. Installation of rolling bearings The installation of rolling bearings immediately affects the precision, service life, and characteristics. Therefore, the design plan and the assembly unit should conduct sufficient scientific research on the installation of rolling bearings, and carry out in accordance with the following work specifications: (1) Clean up the rolling bearings and the relationship between the rolling bearings; (2) Check the specifications and deep processing conditions of the related components; (3) Installation (the rolling bearing packaging can be opened before installation); (4) Inspection after the rolling bearing is installed; (5) Provide lubricating fluid. Rolling bearing model selection, rated load, high speed-to-speed ratio, load capacity, main parameters of specifications, service life, vibration value, and surface roughness are all key issues. Generally, lubricating grease is lubricated. If it is not cleaned, immediately add lubricating grease. Grease is lubricated and generally does not need to be cleaned. However, rolling bearings for equipment or high-speed use should be cleaned with clean oil to remove the anti-rust oil applied to the rolling bearings. Rolling bearings with anti-rust oil removed are prone to rust, so they should not be left unattended. Secondly, rolling bearings that have been sealed in lubricating grease should be applied immediately without cleaning. The installation method of rolling bearing varies according to the standard of rolling bearing structure and mutual cooperation. In general, the bore must be a transition fit because shaft rotation is common. Cylindrical bore rolling bearings should be pressed in by a punching machine, or by shrinking. If the taper hole is used, install it on the smooth shaft immediately, or install it with a sleeve specification. 01 Installation of cylindrical bore rolling bearings (1) Press-in method of punching machine Small and medium-sized rolling bearings are generally pressed in by punching machine. Put the protective layer pad into the inner hole, press it to the inner hole with a punching machine quietly, and touch the shaft shoulder inseparably. Putting the outer pad on the protective layer pad and installing the inner hole will cause stamping and crushing on the raceway, so it is strictly prohibited. In actual operation, oil can be applied to the mating surfaces in advance. If you have to hit the installation place with a hammer, you should put a protective layer block on the inner ring to work. This kind of practice is only limited to the use of small interference, and cannot be used for large clearance fit, or medium and large bearings. For non-separated rolling bearings such as deep groove ball bearings, where both the inner hole and the outer side must be installed with an interference amount, use a protective layer pad to cushion it, and use an extruder screw or steam pressure to press the inner hole and the outer side additionally. Enter. The outer side of the self-aligning ball bearing is easy to be skewed. Even if it is not a transition fit, it is installed with a protective layer pad to improve the maintenance effect. Separated type rolling bearings such as cylindrical roller bearings and tapered roller bearings can install the inner hole and the outer side on the shaft and the casing respectively. When the inner hole and the outer side are tightly combined, the key is Firmly close the two, so that the two will not cause offset, and the dovetail guide surface will be stuck due to the improvised pressure application.
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