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introduction：Structure and characteristics of hydraulic plate bending machine： （1）Hydraulic up drive，The oil cylinders at both ends of the machine are arranged on the slide block，Direct drive sliding operation。 &nb...
2016-03-09 Reading quantity 1732
introduction：The bearing with ball filling notches has higher radial bearing capacity than the bearing without ball filling notches，But its axial carrying capacity is small。moreover，This kind ofSKFBearings cannot operate at the same high speed as standard bearings。Today, the engineer of Shanghai Shaft Research Trading Co., Ltd. will explain Sweden to youSKFDeep groove ball bearing with ball filling notch，The single-row deep groove ball bearing with ball filling gap has a ball filling gap on the inner ring and the outer ring，Allowable service ratio...
2016-03-09 Reading quantity 1797
introduction：Imported bearing（SKFbearing，INAbearing，NSKbearing）The installation should be based on the bearing structure，The size depends on the mating nature of the bearing components，The pressure shall be applied directly to the end face of the tight fitting ring，Pressure must not be transmitted through rolling elements，Bearing installation generally adopts the following methods： ?...
2016-03-09 Reading quantity 1761
introduction：A lot of friends might notice that，In machine building、Equipment installation、Heating and air conditioning system、Office automatic equipment and data processing system，They all use servo cables。Servo cable has excellent heat resistance and flame retardant performance，Excellent insulation properties，And the servo cable chemical properties are quite stable，The most important thing is，Servo cable has very good anti-electromagnetic interference performance。
2016-03-09 Reading quantity 511
introduction：1、Type and meaning of undercurrent relay Current relays are developing rapidly，Many current relays can be used for both overcurrent protection and undercurrent protection。Such asJL14Series AC current relay。Its good for communication（50HZvoltage380V）And below；Dc voltage200VFor overcurrent or undercurrent protection in control circuits and below。...
2016-03-09 Reading quantity 1844
introduction：The sustained and rapid development of the national economy and the improvement of the urbanization level，It has created a huge demand space for the development of Chinas food industry，Total food consumption will continue to increase，Commodity consumption is increasingly replacing self-supporting consumption，The proportion of industrialized food gradually increased，And for the development of food industry to provide a huge market space。 In the food industry，Process automation is increasing...
2016-03-09 Reading quantity 1805
introduction： Automotive control relays have two main parts，One is the control system，The other is the controlled system。The control relay is able to control，Its when some kind of signal is fed into its control system，Such as electricity、magnetic、hot、When a physical quantity such as light reaches a certain value，Enables the controlled system（Also known as output loop）The controlled quantity changes from zero to a fixed value，Or it goes from a certain value to zero，Thereby achieving control、Protection、Transmitting and transforming information。Control large current with small current，it...
2016-03-10 Reading quantity 1867
introduction： 1Hydraulic coupler mode。That is, a hydraulic coupling device is inserted between the motor and the load，The coupling force between the motor and the load is adjusted by the level of the liquid，Realize the speed adjustment of the load； 2Cascade speed regulation。Winding asynchronous motor is necessary for cascade speed regulation，A partial energy of the rotor winding is passed through the rectification、The inverter is then sent back to the grid，this...
2016-03-10 Reading quantity 1787
introduction： The most important thing in industrial control is stability，The second is stability，Third, its stable.，And stability is not just about hardware，Software is also very important，Then there is resistance to interference。Here only talk aboutPLCsoftware。 I putPLCThe program specification consists of the following components： &n...
2016-03-08 Reading quantity 1862
introduction： The relay is capable of generating the minimum current required for the pull-in action。In normal use，The given current must be slightly greater than the draw current，So the relay can work stably。And the operating voltage applied to the coil，Generally do not exceed the rated operating voltage1.5times，Otherwise, it will generate a large current and burn the coil。 As a control element，In a nutshell，Relays have several functions as follows： ...
2016-03-08 Reading quantity 1855
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