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introduction：The reducer is a relatively precise machine，The purpose of using it is to reduce the speed，Increase torque。（note:Reducer torque calculation formula） There are many kinds of it，Different models，Different kinds have different uses。There are many kinds of retarders，According to the transmission type can be divided into gear reducer、Worm reducer and planetary gear reducer；According to the different transmission stages can be divided into single stage and multistage...
2016-03-16 Reading quantity 1552
introduction： one、 Preparation of coupling hot loading First of all, the joint of the journal and the coupling is washed with gasoline or kerosene、wipe。If there is any roughness or damage，It should be removed with a whetstone and fine emery cloth，Or deal with it in some other way。Secondly, use a micrometer and a micrometer stick to carefully measure the inner diameter of the journal and the coupling as shown in the figure1—6As indicated。Each coupling should be at least along the length...
2016-03-16 Reading quantity 1625
introduction：The reducer consists of many small classes，Like the gear reducer we talked about earlier，Worm gear reducer，Worm reducer and so on。The classification of these machines already seems complicated，But Im here to tell you，These are just a small part of the reducer family，Less than half，More types of gear reducer also need you to spend more time to learn。now...
2016-03-16 Reading quantity 1535
introduction： 1 Classified according to the function principle or structural characteristics of relays。 1 Electromagnetic relay Dc electromagnetic relay Electromagnetic relay with direct current control。According to the contact load size is divided into micro power、Low power、Medium power and high power four kinds。 ?...
2016-03-16 Reading quantity 1569
introduction： one、summarize Solid-state relay(SSR)Compared to electromechanical relays，Its a movement without machinery，Relays without moving parts，But it has essentially the same function as an electromechanical relay。SSRIt is a contactless switching element composed entirely of solid state electronic components，He uses electronic components of the point，Magnetic and optical characteristics to achieve reliable isolation of input and output，Use high-power triodes，Power field effect tube...
2016-03-17 Reading quantity 1564
introduction：Intermediate relay(intermediate relay)：Used in relay protection and automatic control system，To increase the number and capacity of contacts。 It is used to transmit intermediate signals in the control circuit。The structure and principle of the intermediate relay are basically the same as that of the AC contactor，The main difference with the contactor is：The main contact of the contactor can pass a large current，The contact of the intermediate relay can only pass a small current。therefore，It can only be used to control electricity...
2016-03-16 Reading quantity 1549
introduction：After choosing a good mechanical transmission scheme，It is necessary to select and confirm the type and size of the servo motor。Engineers recommend general conditions，Select the servo motor to meet the following conditions：
(1)Selection condition：
2016-03-16
Reading quantity 1549
introduction： Reducer shaft end dynamic seal structure improvement and maintenance 1、 Reducer shaft end dynamic sealing condition requirements (1)Due to the poor working environment of mining machinery reducer：①Dust enters the reducer，Contaminated oil，And then cause gear and bearing pollution；②The dust and lubricating oil are fully mixed under the stirring of the gear，Will affect lubrication...
2016-03-16 Reading quantity 1650
introduction： The following introduces the characteristics of elastic coupling for you： one、A metal elastomer formed in one piece two、Zero rotation clearance、Synchronous operation three、play...
2016-03-16 Reading quantity 1554
introduction：Why are AC and DC relays with the same rated voltage not interchangeable？ a：The AC relay is connected to the rated AC voltage，The total impedance of the coil is composed of resistance and reactance。If AC relay is connected to DC...
2016-03-16 Reading quantity 1550
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