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Analysis of the method of standardizing the device SKF imported bearings
Source: China Bearing Network Time: 2014-06-12
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1. The preparation of SKF imported bearings is because the bearings are disposed of by anti-rust and packaged; therefore, do not open the package before the device.
Others; the anti-rust oil coated on the bearing has an outstanding smooth function; the bearing for general use or the bearing filled with smooth grease; can be used directly without cleaning. However, the bearing for exterior or the bearing for high-speed rotation; The cleaning oil will wash away the rust preventive oil; at this time the bearing is simply rusted; it is not allowed to be placed for a long time.
2, the inspection of the shaft and the outer casing to clear the bearing and the outer casing; recognize the burrs left by the scratches or machining. There must be no abrasive (SiC, Al2O3, etc.) sand or chips in the outer casing.
Secondly, check whether the scale, shape and processing quality of the shaft and the outer casing can match the drawing.
The method of installing SKF bearings; due to bearing cooperation, conditions, layout; general; because most of the shaft rotation; so the inner ring demand interference cooperation. Cylindrical hole bearings; multi-use presses; or more hot-packing method. Cone For the case of a hole; directly on the taper shaft; or with a sleeve device.
When the device is to the outer casing; generally the clearance cooperation is more; the outer ring has the interference; the press is generally pressed; or there is also the cold shrinking cooperation method of the cooling device. The dry ice is used as the coolant; the cold shrinking cooperation device; the air The moisture in the water will condense on the outer surface of the bearing. Therefore, the appropriate anti-rust method is required.
Whether the SKF imported bearings can be correct; affects the life, accuracy and function. Therefore, the parts of the bearing and the assembly part should be fully studied. It is expected to be installed according to the operating specifications. The items of the operation specifications are generally as follows:
1. Clear the bearing and bearing related parts 2. Check the dimensions and finishing conditions of the bearing related parts. 3. Install the bearing 4 and install the bearing. 5. Supply the smoothing agent to the bearing.
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