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introduction： 1.2 Basic features of programmable controller From the discussionPLCThe working principle is known，PLCThe inputs and outputs are physically separated from each other，The connection is made by running programs stored in its memory。Its an in - out correlation，Its not a physical process，Not by wire；Its the information process，Connect with soft logic。It works on the basis of good information。 Information is different from matter and energy，It has its own rules。Easy processing of information，Easy to transfer，Easy to store；Information can also be reused，And so on。It is because of these characteristics of information...
2016-03-02 Reading quantity 1707
introduction：This article describes the principle of solid-state relays SSRPrinciple application of solid state relays Solid state relays consist mainly of inputs(Controls)circuit，Drive circuit and output(load)The circuit consists of three parts。 The input circuit of a solid state relay provides a loop for the input control signal，Make it the trigger signal source of solid relay。Solid-state relay...
2016-03-02 Reading quantity 1723
introduction：The main transmission structure is:Planet gear,Sun wheel,Outer gear ring. Taizheng servo motor reducer because of structural reasons,Single-stage deceleration minimum3,The maximum generally does not exceed10,Common deceleration ratio is:3.4.5.7.10,15,20,25,30,35,40,50,70,80,100Reducer series generally do not exceed3Stage reduction,But there are parts of large reduction than custom reducers have4Stage reduction. Relative to other reducers,Servo motor reducer has high rigidity,Highly refined...
2016-03-02 Reading quantity 1612
introduction： Up to now，Most of the higher performance electric servo systems use permanent magnet synchronous AC servo motors，Control drives are often fast、Full digital position servo system for accurate positioning。High performance servo motors Servo motors are used in closed rings。Which means it sends a signal to the system at any time，At the same time, the signal given by the system to correct its own operation。 &nb...
2016-03-01 Reading quantity 1675
introduction： The characteristic of the inclined slide core pulling mechanism is that the core pulling and the die-casting part are cored together and completed at the same time。The core pulling distance is short，The side concave and convex shape is more but not deep（Or not high）The middle of、Small die casting，It is more suitable to use the inclined slide core pulling mechanism。 one、The core pulling mechanism of inclined slide block is composed：us...
2016-03-01 Reading quantity 1620
introduction：The article describes how to choose a relay The selection of relays should consider which factors to apply In the face of a wide variety of specifications of relay products，How to choose reasonably、Proper use，It will directly affect the performance of the whole product 、reliability。 How to choose relays reasonably？First of all, in-depth analysis、Study the operating conditions of the machine、technology ， “Value engineering”principle，The selected relay products are put forward reasonably Achieved technical performance。 As follows，Analyze item by item、study：Shape and mounting method、Mounting dimension； Input parameter； ...
2016-03-01 Reading quantity 1710
introduction： 1、 introduction With the development of social economy，The rapid rise of industry，Make some10KVThe power distribution system has been greatly increased，The simplicity of the distribution system、reliability、security、Energy saving、Cost performance is particularly important。 ...
2016-02-29 Reading quantity 1683
introduction： According to the power type：Passive sensor Active sensor；According to output type：Digital sensor Analog sensor According to the sensing basis：Structural sensor Physical sensor Composite sensor According to the measurement principle Potentiometer type sensor Capacitive sensor Electrochemical sensor Hall type sensor &...
2016-02-29 Reading quantity 1564
introduction：
Stepper motor as a digital executive element，It has been widely used in motion control system。Many user friends in the use of stepper motor，It is felt that the motor has a large heat when working，Have doubts，I wonder if this phenomenon is normal。In fact, heating is a common phenomenon of stepper motors，But what level of fever is normal，And how to minimize stepper motor heating？This paper will do a simple analysis of these problems。
2016-02-29
Reading quantity 1722
introduction： Plastic mold action sequence control device working process：For ejection first reset mechanism When the control device for ejection first reset mechanism is closed，The reset rod is applied to the slider first，Reset the ejector device。When the limit nail is in contact with the limit block，The stop block forces the stop pin to move the slide block inward。When the ejector is in place，The slider simultaneously disengages from the action of the first reset rod，Make the mold closing complete。Open mold ejection，The action of the limit nail leaving the limit block...
2016-02-29 Reading quantity 1653
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