Extend the method of open type linear bearing life Note

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Open type linear bearings reasons of quality and external conditions during use due to its carrying capacity, rotational accuracy and wear resistance will change. Open type linear bearing performance is lower than the requirements wa s not working properly, open type linear bearings fault or failure, open type linear bearings h in the event of failure and other unforeseen circumstances, the machine, the machine will stall, loss of function and other anomalies, so find out the cause, and take appropriate measures in the short term.bearing suppliers
First, in the aspect of the installation to be noted that the steps and methods of installation when the installation is correct. Such as cleaning the open type linear bearings and open type linear bearings associated components,
Check the size of the associated components and finishing, install a good open type linear bearings after the necessary checks. These steps should be carried out carefully checked in order to ensure that the open type linear bearing life.
Secondly, the open-type linear bearing running the basic external conditions, for example, monitoring the temperature o f vibration and noise measurement. The detection allows potential problem prevention, open type linear bearing is well protected.
Again, the open type linear bearings at work to correct lubrication, open type linear bearing lubrication divided into grease and oil lubrication. To open type linear bearing function well, to select suitable conditions, the purpose of lubrication. If only consider lubrication, oil lubrication dominant. Grease lubrication can simplify the structure of expertise around the open type linear bearings.
Finally, when open type linear bearing reaches its end-use period should replace it with a new open type linear bearings.thin section ball bearing
 Lubrication of rolling open type linear bearing fatigue life and friction, wear, temperature, vibration have a major impact, there is no normal lubrication, open type linear bearing does not work, the analysis of open ty pe linear bearings causes of damage that about 40% of the open type linear bearing damage and poor lubrication. Open type linear bearing good lubrication is an effective measure to reduce friction and wear of the open type linear bearings. In addition, the open type linear bearing lubrication heat, rust, sealing, impact and effect. To ensure that the lubricant can not be expired, the selection should be correct, harvester open type linear bearing lubrication of oil and grease lubrication two. The large models gearbox oil lubrication select gear oil GL-580W90; greased general lithium grease with molybdenum disulfide grease by twisting CVT lower part of the device must be Mobil XHP222 or better grease.

Double row deep groove ball bearing installation and maintenance of

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Installed double row deep groove ball bearings have specific requirements of the site, the site must be kept clean and dry to prevent iron, sand, dust, moisture from entering the bearing.
Bearing common installation tool hand hammer, rod, sleeve, s pecial plate, Lo mosquito fixture, press, the amount of a vernier caliper, micrometer, dial indicator, etc., but according to different bearing model selection tool.
Choose to use the right tools, you can bearings installed, the installation should pay attention not bruised, the corrosion layer, debris, sand, dust, and earth exist, if any, will result in the installation difficulties, it is necessary to maintain double row deep groove ball bearing assembly surface and associated with the parts of the surface clean.ball roller bearing
In addition to the double row deep groove ball bearing assembly surface and associated with the parts of the surface cleaning, but also pay attention to the journal surface of the housing bore of the bearing housing, the end face of the shoulder, and connecting parts such as bushings, washers, cover There is no corrosion layer? If any, with a fine file out fine emery cloth lighting, and then install it.
Rolling bearings are precision components, its use should also be carefully carried out. No matter how high-performance bearings, if used improperly, you will not get the expected performance. Note the use of double row deep groove ball bearings are as follows:
Bearing in use to give a strong impact, will have a scar and indentation, the cause of the accident. Severe cases, crack, fracture, it must be noted.
2, to maintain double row deep groove ball bearing and the surrounding clean
Even the eyes can not see dust, will adversely affect the bearings. Therefore, to keep the surrounding clean so that dust will not invade bearings.deep grove ball bearing
3, using the appropriate operational tools
Avoid existing tools instead, you must use the right tools.
4, pay attention to corrosion of bearings
Operating double row deep groove ball bearings , the hands sweat will become rusty. Should pay attention to clean hands operation, it is best to try to wear gloves.

Method of adjusting the radial bearing gap

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The method commonly used to adjust the radial bearing gap is as follows:

1, cylindrical and elliptical bearing backlash, repair scratch can be manually scrape or bearing carved face Padded turning adjusted.ball bearing supplier

, Cylin drical and elliptical bearing headspace can be manually scrape or circumstances allows the bearing carved face padded adjusted.

3, multi-oil wedge fixed bearing, in principle, allow the repair scratch and adjust the bearing clearance, clearance inappropriate should be replaced with new tile.slewing bearing

4, multi-oil wedge tilting bearing is not allowed to repair scratch pad, the gap should be replaced due to the tile inappropriate. Adjustable tile thickness by adjusting the amount of watts adjustment block under the back of the tile and stainless steel pad, or thinning the thickness of the adjustment block. Attention to the multi-oil wedge tilting bearing the same group tile thickness error should be less than 0.01mm

The design of the deep groove ball bearings

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Shielded bearings

Shielded bearings, the suffix 2Z, dust cover is made of stainless steel. Dust cover jade inner ring shoulder forming a very narrow gap, and can withstand high temperature and high speed. Shielded bearings are mainly used in the inner ring rotati ng conditions. If the outer ring rotates, the bearing at high speed will cause the grease to leak.slewing ring bearing

With a ring bearing

Bearings with contact seals, suffix 2RS1, seals made of nitrile rubber given by the steel skeleton of the anti-oil and anti-wear. Xie ring of allowable working temperature of -40 to +100 ° C up to +120 ° C in a short time. The seal lip contact seals sealed inner ring shoulder. The outer edge of the sealing ring in the groove of the outer ring, and at this location can provide a good sealing effect.

The sealed bearings run in some extreme conditions, such as high speed or high temperature, may lead to leakage of grease between the inner ring and the ring. If the leak would impact caused by bearing arrangement injurious affection, it certainly needs to step through a special design.contact ball bearing

Type of bearing roller

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Cylindrical roller such roller is mainly used for cylindrical roller bearings, roller assembly can also be directly used in machinery. That kind of roller has been standardized in s ize, can be used as a commodities roller for the design and user-selected.roller bearing

(2) long cylindrical roller divided shaft diameter and shaft diameter in two class roller, mainly used for long cylindrical roller bearings, roller assembly can also be directly used in machinery.

3 needle roller such is mainly used for needle roller bearings, the gimbal needle roller bearings and thrust needle roller bearings, needle roller assembly can also be directly used in machinery. That kind of roller has been serialized in size for the design choices. According to the needs of the bearing structure, cone-shaped needle at both ends of the shape of the head, flat head-shaped, round-shaped.

4 tapered roller circular truncated cone, the cone angle is typically 1 ° to 4 ° 20 , there is less than 1 ° or greater than 4 ° 20 , for 2 °. The roller length generally does not exceed twice the diameter of roller big-endian. This type of roller used for tapered roller bearings, roller basically used for large cone angle thrust tapered roller bearings.

5. Spherical roller roller raceway spherical shape. With this roller bearings with self-aligning performance, can withstand great loads. Spherical roller stars asymmetric and symmetric shape Usually asymmetric spherical end face, the two ends of the symmetrical surface of the flat faces. Symmetrical spherical roller better performance, rather than the symmetrical phase-out form. Such roller for self-aligning roller bearings and spherical roller thrust bearings.spherical roller bearing

The spiral roller is a special section steel strip coils made of hollow roller, divided both left and right hand. This roller application is not very extensive, mainly used by the impact load spiral roller bearings.

7 pillars hole roller pillar ho les roller center with through hole, this hole is used to hold pillar, in order to fix the sheet pillars cage. Class roller cylindrical, conical, spherical shape, mainly used for large bearings.

Top lubrication rolling roller bearing

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And other lubrication of rolling bearings roller bearing lubrication principles are basically the same, just roll bearing relatively poor working conditions, whether its performance can be effectively depends largely on the bearing lubrication.

Roller bearing lubrication grease and oil lubrication.crossed roller bearing

Grease lubrication grease both the seal, the seal structure and lubrication facilities is simple, easy to add grease, so as long as the work conditions allow, roller bearings are generally lubricated with grease.

The cooling effect of the oil lubrication, dirt and moisture away from the bearing. Roller bearings with oil lubrication pressure lubrication, fuel injection lubrication, oil mist lubrication and oil lubrication.

Experts say the pressure lubrication is the most effective way to lubrication conventional speed roller bearing.

Fuel injection lubrication lubricating oil by a certain pressure mounted on the bearing side of the injector is injected into the interior of the bearing lubrication, generally used in high-speed roller bearings, or pressure lubrication can not meet the cooling requirements of the occasion.angular contact ball bearing

Spray lubrication to dry compressed air containing oil mist sprayed into the interior of the bearing to be lubricated, use less oil due to the role of the air, the cooling effect is very strong, and is mainly used for high-speed and high-precision rolling rolling roller bearing, or for frequent removal roller bearing in the bearing housing.

Install the necessary matters before the angular contact ball bearings

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1, the angular contact ball bearings prior to installation, it should be the first to use appropriate measurement tools, parameters bearing drawings and mechanical requirements, check the bearing hole and processing quality of authen ticity, such as the accuracy of the size, the shape of the roughness of the work how the bearing model number to determine the applicability of supporting the use, if found not to be the match immediately determine the model to be replaced not put a, serious direct result of the mechanical scrapped.crossed roller bearing

2, shaft and bearing assembly on the surface of the hole bumps, if any, burrs, rust, or solid particles (such as debris, sand, earth), there is not only difficult to install bearing installation location is incorrect, such as bearing solid The particles will fall to the abrasive, bearing rotation injuries or abrasions will wear the bearing surface and therefore must be carefully checked before installation, if these defects are found, should be amended. Oil deburring filing proposed fine emery cloth touch traces of rust, and Poland, the solid particles, dirt, and other cleaning

3, clean the mounting surface should be used petrol or xylene to clean, with a clean rag, coated with a thin oil into clean and convenient, so you can clear the hum.contact ball bearing

4, open the temporary installation package bearing immersed in gasoline and other liquid hand gently rotated to ensure the cage, roll-package elements and raceways, to thoroughly clean the oil surface.

Cleaning bearings, when cleaning the angular contact ball bearings should first of 90 ° to 100 ° hot oil melted seamless packaging and chip off the net and tools do not dig the old oil, then pour hot for a few minutes , then with kerosene, gasoline, and finally rinse. Cleaned, they should wear gloves, bearing on the table a clean cloth or paper to dry.