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introduction： Clutch installation precautions The clutch must be cleaned before installation，Remove anti-rust grease and debris。 The clutch can be mounted coaxial，It can also be mounted on separate shafts，The axis must be fixed，The active part and the driven part are not allowed to have axial movement，When the shaft is mounted，The coaxiality between the active part and the driven part axis should not be greater than0.lmm。 When wet electromagnetic clutch is working, lubricating oil must be added between the friction plates(1)Separate oil lubrication;(2)Oil bath lubrication，The part of the oil immersed is about the volume of the clutch5times;(3)Shaft feed lubrication，in
2014-12-22 Reading quantity 2818
introduction： What is the performance of the fork forward electric forklift 1、Rear cover for easy handling，The components can be easily repaired and adjusted，optional：High back，Full free lift gantry，Straddle design，Double scissors stretch forearm； 2、Alternating current motor，No need to replace the carbon brush，It has good slope starting ability，Hydraulic steering system，Flexible and light steering； 3、Install adjustable handrails，ADAPTS to drivers of different heights，Multi-function display meter with power display、Fault code display、Cumulative display of working hours
2014-12-22 Reading quantity 2796
introduction：Bearings for rolling[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。]Have the performance，It can maintain long-term use under good conditions，Must match 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
2014-12-22 Reading quantity 1437
introduction：The surface of the coated tool should be a bright polished surface，There shall be no rust spots on each working surface of the tool、burnishing、oxidation、Breakage and other defects，There must be no burrs on the cutting edge。before、The surface roughness of the back tool surface should reachRa<0.8~1.25μm。The smaller the surface roughness value is，The better the binding degree of the coating。In addition，The cleaning quality of the tool surface is also very important。 Tool base material The base material of the coating tool and the coating material should be reasonably matched，Must be selected according to different processing requirements。Substrate for coating high speed steel tools，availableW6Mo5Cr4V2(M2)Universal type high speed steel，
2014-12-22 Reading quantity 2803
introduction： What is grease? Grease is a stable solid or semi-solid product composed of thickening agents dispersed in liquid lubricants,Additives and fillers designed to improve certain characteristics of the grease may be added。The grease can be attached to the vertical surface without loss at normal temperature,And can work in open or poorly sealed friction parts,With other lubricants can not replace the holding point。therefore,Grease is used as a lubricating material in many parts of automobiles and construction machinery。 Types of commonly used greases 1.Calcium base grease This is the grease commonly known as butter。At the current car repair shop
2014-12-22 Reading quantity 1465
introduction：INAbearing[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。]Lubrication in principle with other 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，Bring down
2014-12-22 Reading quantity 1465
introduction：Development history of heat treatment （1）Cleaning heat treatment Waste water from heat treatment production、Exhaust gas、Waste salt、dust、Noise and electromagnetic radiation will cause pollution to the environment。Solve the environmental pollution problem of heat treatment，Perform clean heat treatment（Or green heat treatment）It is one of the directions of the development of heat treatment technology in developed countries。To reduceSO2、CO、CO2、Dust and cinder discharge，The use of coal as fuel has been virtually eliminated，Less heavy oil is being used，Most have switched to light oil，Natural gas remains the most desirable fuel。 The waste heat utilization of combustion furnace has reached a high degree，Excellent burner structure
2014-12-22 Reading quantity 1441
introduction：The hardness of the heat treatment workpiece is tested by a hardness tester。PHRSeries portable surface Rockwell hardness tester is suitable for testing the hardness of surface heat treated workpieces，Can test the effective depth over0.1mmVarious surface heat treatment workpieces。Simple operation、Easy to use、Lower price，Hardness values can be read directly。 Surface heat treatment is divided into two main categories，One is surface quenching and tempering heat treatment，The other is chemical heat treatment，The hardness test method is as follows：Chemical heat treatment is the infiltration of atoms of one or more chemical elements into the surface of the workpiece，Thus changing the chemical composition of the workpiece surface、Structure and properties。After quenching and low temperature
2014-12-22 Reading quantity 1467
introduction：TIMKENbearing[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 structural characteristics and working conditions are requiredTIMKENbearing[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 are produced on the shaft
2014-12-22 Reading quantity 1476
introduction： Railway vehicles can be roughly divided into car bodies、bogie、Connect the buffer device and other parts。A bogie is the running part of a railway vehicle，Its role is to bear the weight of the upper body of the car，Transfer traction and braking force，Soften the impact of the line on vehicles。Bogies generally include wheelset axle box devices、Elastic suspension、Frame and side frame、Foundation brake、Car body support device and other parts（As shown in the figure1）。At present，The main bogies of railway freight cars in China are rotating8AType B bogie，include：bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
2014-12-22 Reading quantity 2826
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