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introduction： one、sketch Over the years，Programmable controller(Hereinafter referred to as vacuum drying ovenPLC)From its creation to the present，It realizes the leap from wiring logic to storage logic；Its function is from weak to strong，The progress from logical control to digital control is realized；Its application field has grown from small to large，...
2016-02-07 Reading quantity 1765
introduction：
4 plcThe development trend of
With microprocessor technology、The advancement and development of VLSI technology and digital communication technology，Programmable controllers have also developed rapidly，Its function has gone far beyond the scope of its definition，Its concept is also becoming blurred，The development trend of modern programmable controller mainly has the following aspects：
2016-02-07
Reading quantity 1712
introduction：Relay is a kind of control equipment commonly used in our life，In the popular sense, it is a switch，Turn off or on when conditions are met。The switching characteristics of relays are widely used in many control systems, especially in discrete control systems。From another perspective，An electronic circuit designed for use in a particular purpose，Eventually, more or less, you need to interact with some kind of mechanical device，So relays also play an interface role between electronic equipment and mechanical equipment。 The most common relay is the heat relay...
2016-02-07 Reading quantity 1550
introduction： Now sensor technology is constantly improving，Many sensors are also becoming more comprehensive，The range of applications is very wide。Today were talking about sound sensors，The user must master the knowledge of the sound sensor when using the sound sensor，This is more conducive to the users application。 The sound sensor is equivalent to a microphone，Sound sensors are used to receive sound waves and display vibration profiles，But the vibration sensor cannot respond to noise...
2016-02-06 Reading quantity 1543
introduction： Vision sensors are a kind of sensor that we often come into contact with，Vision sensor plays a very important role in production and life，So how does the vision sensor play its function？What are the advantages of vision sensors？Follow Xiaobian to understand some knowledge about vision sensors。
2016-02-06
Reading quantity 1758
introduction： Is to make the objects position、orientation、An output controlled quantity such as state can follow an input target（Or value）The automatic of arbitrary changes。Servo motor power range is large，Can do a lot of power，Low maximum rotational speed，And it decreases rapidly with the increase of power。 Servomotors have three distinctive features： High starting torque。Because the rotor resistance is large，The torque characteristic curve is compared with that of ordinary asynchronous motor，Have obvious...
2016-02-05 Reading quantity 1474
introduction：The laser marking machine is also partly carried out by machinery in the working process，Because there must be wear and tear on the machine，Therefore, it is very necessary to oil the slider，Because of the long hours，It will reduce the efficiency of the laser marking machine，It also has a great impact on its lifespan！
2016-02-05
Reading quantity 1539
introduction：(1)Crankshaft press
A press using a crankshaft mechanism is called a crankshaft press，Figure 1 is a crankshaft press，Most mechanical presses use this mechanism。The reason to use the crankshaft mechanism most is，Easy to make、The position of the lower end of the stroke can be correctly determined、And the slider motion curve is generally suitable for various processing。therefore，This type of stamping is suitable for punching、bend、stretch、Hot forging、Warm forging、Cold forging and almost all other punch processing。
2016-02-04
Reading quantity 1549
introduction： The guide rail of the slide block must be lubricated once a day，Usually before starting the machine，The slider is in the lower dead center position，Lubricate the guide rail of the slide block once at this position，Ball screws and linear guides should be cleaned and lubricated weekly，Guide rails and lead screws of other sliding parts should be lubricated weekly。Six months after the new machine runs，Must be replaced46Sign or32No. Anti-wear hydraulic oil and high pressure filter element，Replace the hydraulic oil and high pressure filter every year。The connection between the cylinder and the slider should be checked monthly for looseness...
2016-02-04 Reading quantity 1916
introduction： one、The operator should be familiar with the main structure of the machine before the test and operation、Performance and usage。 1、Slider lower limit adjustment：Due to the different thickness and bending Angle and shape of the bending sheet，The lower limit position of the slider should be adjusted，The lower limit position of the slider should be adjusted accordingly，Slider lower limit position by...
2016-02-03 Reading quantity 1570
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