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introduction： High precision tight-fitting sleeve performance index。 The tightening sleeve is an accessory to the inner taper bore bearing，It can ensure the stable operation of supporting bearings，Maximum life is a basic requirement，To achieve this goal，Tight set products must achieve high precision。Here are four techniques where precision matters most： ...
2016-03-31 Reading quantity 1647
introduction： Classification and use of grease。
2016-03-26
Reading quantity 2720
introduction： General principle of bearing grease dosage。 The grease inside the rolling bearing is carried out at the beginning...
2016-03-24 Reading quantity 2112
introduction： Performance requirements for mechanical sealing materials。 The performance of sealing materials is an important factor to ensure effective sealing，Selection of sealing material，It is mainly based on the working environment of the sealing element，If used temperature、Working pressure、The working medium and the mode of movement used。The basic requirements for sealing materials...
2016-03-25 Reading quantity 1634
introduction： On the basis ofGB/T7631.1-1987Regulation of...，Lubricating oil code by class、Variety and number composition，It is written in the form of：category+breed+figure。 Category refers to the classification of petroleum products，Lubricant is one of the petroleum products，For lubricating material productsLexpression。...
2016-03-23 Reading quantity 1648
introduction： Comparison of chemical cleaning and physical cleaning。 In chemical cleaning，Various acids are mainly used、alkali、Organic solvent、surfactant、Corrosion inhibitor、chelate(complex)And other raw materials prepare cleaning agent to remove dirt。While removing the dirt，It also produces a lot of liquid waste itself、...
2016-03-23 Reading quantity 1627
introduction： Composition of lubricating oil。 Lubricating oil is generally composed of two parts: base oil and additive。Base oil is the main component of lubricating oil，Determines the basic lubricants...
2016-03-23 Reading quantity 1692
introduction： Classification of lubricants： There are many varieties of lubricants，But generally according to its physical state can be divided into liquid lubricants、Semi-solid lubricant、Solid lubricant、Gas lubricants and other four categories。
2016-03-21 Reading quantity 1669
introduction： Grease grease grease grease grease grease method、Fat cup method、There are four kinds of fat gun method and concentrated fat feeding method。 (1)smudging
2016-03-21 Reading quantity 1681
introduction：Machining parts using CNC machine tools，The most important work is to compile the CNC machining program of parts。The NC programming process can be reduced to the understanding of the process plan、Job clamping、Establish a coordinate system、Input tool parameters、Input NC program、Program verification、Adjustment and machine tool operation and other basic steps。 Numerical control technology scheme is the soul of processing，For general work，The key point of the process plan is the yield，Reduce cost。And for...
2016-01-28 Reading quantity 2055
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