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introduction：Rolling bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Steel is used to make rolling bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，Used to reduce power transmission
2014-12-20 Reading quantity 1508
introduction：introduction At present, the international high-speed processing is not clear、Uniform definition。It is generally believed that，Average cutting speed、The feed speed is higher than the normal value5～10More than，Can be called high-speed machining。Currently suitable for high-speed cutting machining centers，The spindle speed is generally in10000r/minabove，Some can be as high as60000～100000r/min，Main shaft bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft
2014-12-20 Reading quantity 2809
introduction：AmericaTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The clearance refers to the bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，To reduce
2014-12-20 Reading quantity 1478
introduction： The main difference between lost die casting and other casting methods is its characteristic black and white areas。The white area refers to the pattern-making department and the model assembly department and the paint drying department，Black area refers to the molding casting department。 Special equipment for lost mold casting are： White area： The pattern-making department：Advance sender、Steaming VAT、Forming machine、 Model drying chamber, etc Model assembly and paint drying department：Paint grinding machine、Paint mixing roller、Model drying equipment, etc Black area： Moulding and pouring department：moulding
2014-12-20 Reading quantity 2848
introduction：As the worlds topIKOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]As for，Very widely used。Every kind of business，The characteristics of the damage are also different。Today we will look at the damage characteristics of engine plain bearings。 (1)、Mechanical damage Mechanical damage of plain bearing refers to different degrees of grooves on the alloy surface of the bearing bush，In severe cases, metal stripping occurs on the contact surface and large, messy scratches appear；
2014-12-20 Reading quantity 1472
introduction：rightFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Regular maintenance of equipment、The radial joint bearing that is removed during operation and replacement of peripheral parts is inspected，Need to judge in turn whether the second bearing parts can be used again and record the use of better than worse。Also carefully investigate and record the removed bearing and appearance。To determine and investigate the remaining amount of lubricant，After sampling，Clean the bearings well。 1． Contact fatigue failure Contact fatigue failure refers toF
2014-12-20 Reading quantity 1507
introduction：Physicochemical-mechanical properties of stainless steel The physical properties of stainless steel are mainly expressed in the following aspects： ①Coefficient of thermal expansion：A change in the measuring element of a substance caused by a change in temperature。The coefficient of expansion is expansion－The slope of the temperature curve，The instantaneous expansion coefficient is the slope at a specific temperature，The average slope between two specified temperatures is the average coefficient of thermal expansion。The coefficient of expansion can be expressed as volume or length，It is usually expressed in terms of length。 ②density：The density of a substance is the mass per unit volume of that substance，The unit is...kg/m3or1b/in3。 ③Modulus of elasticity
2014-12-20 Reading quantity 1486
introduction： Recent developments in the injection industry Plastic injection molding products have excellent characteristics﹐Usage is increasing year by year﹒According to the statistics of the Bureau of Industry﹐The number of domestic plastic processing industry manufacturers is nearly 10,000﹐Employment accounts for the total number of manufacturing workers11%﹐The output value accounts for approximately the total output value9.5%﹒But the number of employees is50People below the manufacturers﹐Actually account for85%﹐Visible plastic injection molding processing industry﹐The vast majority belong to small and medium-sized enterprises﹒ Precision injection technology pursued by the industry How to improve technology﹑Create added value for the product﹐Is the industrys primary effort target﹒Precision injection molding technology is also gradually stressed
2014-12-20 Reading quantity 2882
introduction：With the continuous development of science and technology，Modern equipment is becoming more and more automated。The hydraulic transmission and control system with its transmission power、High control precision、Fast response speed、It is easy to realize the advantages of electromechanical hydraulic integration control，It is widely used in all walks of life。The pair acts as the power source of the hydraulic system——The requirements of hydraulic pumps are also getting higher and higher。Radial piston pump is known for its high working pressure、Impact resistance。Long life、High control precision、Low noise advantage，It has attracted the attention of domestic and foreign hydraulic pump manufacturers and the favor of using manufacturers。It is widely used in metallurgy、mine、Forge and press、Injection molding、boats、Heavy and other mechanical equipment。
2014-12-20 Reading quantity 2902
introduction：When needle bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]When something goes wrong，Do you want to know what causes it？Below and everyone together to analyze the causeIKOFive reasons for bearing failure。 first，bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Is in the mechanical transmission process
2014-12-20 Reading quantity 1516
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