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introduction：kuaishi zhidongqi Block brake shoe brake A brake that brakes by pressing the brake block against the brake wheel。The single brake block exerts great and uneven pressure on the brake wheel shaft，Therefore, a pair of brake blocks are usually used，The brake block pressure on the brake wheel shaft is offset。Block brake has two types: external holding type and internal tensioning type。①External lock brake：It is divided into short stroke block brake and long stroke block brake according to the length of the stroke of the control device（See picture[Block brake]）。The magnet of the short travel block brake is mounted directly on the brake arm。Working hours，Moving core
2015-01-09 Reading quantity 2790
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。]The composition of： （1）Inner ring，Usually fitted closely to the shaft，And rotate with the axis。 （2）Outer ring，Usually fitted with a bearing seat hole，Play a supporting role。 （3）Rolling element，Between the outer ring and the inner ring
2015-01-09 Reading quantity 1544
introduction： Miniature 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。]Evaporability of grease（The degree of）Indicates that the grease is used for a long time under high temperature conditions，The degree of oil volatilization of grease，The less evaporative the better。The evaporability of grease depends mainly on the properties of lubricating oil and fraction composition。 Oxidation stability refers to the grease in long-term storage or
2015-01-09 Reading quantity 1549
introduction： Arpad Takacsin25Founded a year agoCam Tool & Diecorporation，Since then，TakacsMr. Will see the company from the original3800Square feet of office space developed to present possession3block400，000Square foot sum260An experienced employee。As a service provider for the automation industry，The company is trying to separate itself from the industry。TakacsMr. Zhang attributes the companys growth to targeted customer service。 Cam Tool & DieProvide a broad
2015-01-09 Reading quantity 2905
introduction： Directional control valves are identified by the number of their primary connections and possible switching positions。Give an example“3/2”The valves correspond to three ports and two switching positions。In addition to the functions of ports and switching locations are different，The mechanical design and functional design of directional control valves are also different。DCVThe design types include：plug(Ball plug、Flat plug)、Valve shaft、Flat slider and rotating slider。Even in the same type，It is still possible to apply different design methods and materials。Such as，A spool valve（Spool Valve）There may be a sealing ring along its valve shaft or an alternative seal located in the valve
2015-01-09 Reading quantity 2811
introduction： Selected in the selection designINAbearing[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。]Calculated load，The more it can represent the actual load of the bearing when working，The more correct the calculation result is，Therefore, the actual load of thrust cylindrical roller bearings should be studied extensively and deeply。
2015-01-09 Reading quantity 1561
introduction： Mobile experimental spray dryer： The spray volume is1-5L/h，Two kinds of atomization forms are adopted: electric direct-connected rotary atomizer and two-fluid nozzle。With rotary atomization parallel flow、There are three kinds of drying processes: two fluid nozzles atomizing parallel flow and two fluid nozzles atomizing mixed flow,Can be arbitrarily selected according to the material characteristics，The operation is more flexible and convenient，It is suitable for the research and development and small-scale production of traditional Chinese medicine preparations in laboratory and hospital。 Electric direct-coupled rotary atomizer buy
2015-01-09 Reading quantity 2815
introduction：High speed precision angular contact ball 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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Installation of High speed precision angular contact ball bearings，It is mainly used for high-speed rotating occasions with light load，High bearing accuracy required、High speed of revolution、Low temperature rise low vibration and certain service life。It is often used as a pair installation of high-speed motorized spindle support，Is an internal surface grinder at high speed
2015-01-09 Reading quantity 1639
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。]The installation must be dry、Carried out under clean environmental conditions。The mating surface of the shaft and housing should be carefully checked before installation、Convex shoulder end face、Machining quality of grooves and joint surfaces。All mating surfaces must be carefully cleaned and burrs removed，The raw surface of the casting must be cleaned of molding sand
2015-01-09 Reading quantity 1447
introduction： The control system of a gas turbine includes a regulating system﹑Control system and security system。The function of the control system is to control the working condition of the machine within the permissible range of safety﹐To meet the requirements of the load and the requirements of the economy and service life of the machine itself。The content and complexity of each system varies with the purpose and capacity of the machine。Mechanical hydraulic control systems were once dominant in gas turbines﹐But it is difficult to form highly automated complex systems。Later, the electronic hydraulic system has strong functions﹐Can complete comprehensive operations﹑logic
2015-01-09 Reading quantity 2892
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