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introduction：Reduction gear_Heilongjiang reducer_Worm gear reducer_Worm reducer_ www.hljjsj.cn. The whole transmission device of planetary cycloidal pin gear reducer can be divided into three parts：Input part、Retarding section、Output part。There is a misalignment in the input shaft180°The double eccentric sleeve，The eccentric sleeve is fitted with two roller bearings called swivel arms[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 power transmission
2014-12-21 Reading quantity 2982
introduction：A slide on an engineKOYOThere are many kinds of bearings，Both the bushing and the bearing are slidingKOYObearing。In order to ensure the accuracy of engine operation，These slidesKOYOBearing clearance requirements are also very high。Engine slipKOYObearing[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
2014-12-21 Reading quantity 1654
introduction：The choice of the lubrication method and lubricating grease of the machine tool is based on the structure of the machine tool、Degree of automation、The working conditions of the machine tool and the requirements for precision are comprehensively measured to make a decision，The lubrication of machine tools should avoid temperature rise and vibration while reducing wear and consumption。Machine tools are complex and precise machines，A variety of drives will be used，Depending on the type of device、The working environment and the required precision require the viscosity of the lubricating oil、Oil resistance to oxidation、Extreme pressure resistance and other related properties have different requirements。 one、Requirements for machine lubrication： 1、 The machine has more lubrication points
2014-12-21 Reading quantity 2906
introduction：three、The main environmental factors affecting the service life of corrugating roller： 1．Product impact： (1)Sand content of corrugated paper，The larger the sand content, the greater the abnormal wear of the corrugated roller。 (2)The shape and thickness of corrugated paper(Gram weight)。The smaller the mold and the thicker the paper，The faster the normal wear of the corrugated roller。 (3)Often produced paper webs(Wide and narrow production ratio)，The more narrow range is produced，Cause corrugation roller uneven wear and concave。Conditions should be as narrow as possible by both ends of the corrugated roller production。 2．Impact of equipment： (1)Equipment operating speed
2014-12-21 Reading quantity 3034
introduction： In the rapid development of science and technology today，The computer has evolved from a high-speed computing tool to a powerful assistant in product design，It is widely used in product manufacturing industry，The corresponding design software also came into being。By Dassault France（Dassault Systemes）company-launchedCATIA，Its mainstream in the worldCAD/CAE/CAM Integrated software。This paper describes the utilizationCATIASoftware modeling method and theoretical basis，The design of a part of the body of a vehicle is taken as an example，Summarize some experience and skills of using this software。 one、summarize
2014-12-21 Reading quantity 3001
introduction：Mechanical seals are widely used in all types of pumps。Mechanical seal is a kind of sealing device with high precision，There are certain requirements for installation and use conditions。 1、 General principles for installation and use of mechanical seals （1）Find out about the equipment，To understand the rotation speed of the equipment shaft、Shaft diameter；Equipment manufacturing accuracy and sealing cavity size，The service life of the equipment itself and the position of the equipment in the production process should be considered comprehensively and balanced。 （2）Estimated medium pressure。The seal chamber pressure of the pump is generally not the outlet pressure of the pump，Its lower than the outlet pressure of the pump （3）Find out the sealing medium。Know the sealing medium
2014-12-21 Reading quantity 1661
introduction： In order to judge the removedFAGImported 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。]Can it be reused?，It is important to check its dimensional accuracy、Rotation accuracy、Internal clearance and mating surface、Raceway surface、Cage and seal ring, etc。 About the test results，It can be judged by those who use habitual bearings or are proficient in bearings。 The standard root of judgment
2014-12-21 Reading quantity 1597
introduction： Selection of performance parameters： 1.Flow rateQ： As a positive displacement pump，The main factors affecting the flow rate of double screw pump are speedn，stressp，And the viscosity of the mediumv。 1.1 Rotational speed n Influence of： Screw pump at work，A sealing cavity is formed between the two screws and the bushing，Each time the screw rotates, a sealing chamber is moved from the inlet to the outlet，That is, a sealed cavity volume of liquid is drained out。ideally，There is no leakage inside the pump，Then the flow of the pump is proportional to the speed。namely： Qth=n*q n----Rotational speed； q----Theoretical discharge，That is, every revolution of the pump
2014-12-21 Reading quantity 2929
introduction：How to choose rollIKOTypes of bearings、There are many types and sizes。To enable the mechanical device to perform the desired performance，Choose the best fitIKOBearings are crucial。 Choose forIKObearing，Many factors need to be analyzed，Research from all angles、Evaluation of relevant optionsIKObearing[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，It is used to reduce the friction coefficient in the process of power transmission and keep the center position of the shaft fixed
2014-12-21 Reading quantity 1643
introduction： 1、bruise(Brinell indentation) backdrop：After the motor is assembled，During a noise check，Detect noise。 trait：Continuous delivery“cla-cla…….”The voice of。 reason：Press the shaft into the shaft collar or 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。]Chamber hour，
2014-12-21 Reading quantity 1666
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