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introduction： Automatic punch after closing the mold，Use inching operation，Lower the slider to the bottom dead center position，Check whether the stamping height is appropriate，And make appropriate adjustments。 1、Automatic punch slider die height adjustment precautions：The slider die height adjustment device cannot be used for prepressing the upper and lower dies；The slider die height adjustment device shall not be used for any purpose other than die height adjustment...
2016-02-03 Reading quantity 2053
introduction： Programmable controller Programmable controller(PLC)It is a general automation control device，In use due to the poor working environment of the industrial production site、Numerous sources of interference，Will affectPLCNormal operation of。althoughPLCIt is a control device specially used in the field，At the time of design and manufacture...
2016-02-02 Reading quantity 1646
introduction： definition：When input(Excitation quantity)When the changes meet the specified requirements，An appliance that causes a predetermined step change in a controlled quantity in an electrical output circuit。 What is the function of relays? &nbs...
2016-02-01 Reading quantity 1642
introduction：The article describes how to choose a relay Selective application of solid state relays (1)How to choose the type of solid state relay：First of all, the power of the solid-state relay should be correctly selected according to the controlled circuit power type Source type，To ensure the normal operation of the application circuit and solid-state relay。 If the power supply of the controlled circuit is AC voltage，Ac solid state relays should be selected(AG-SSR)。If the controlled circuit power supply is DC voltage，Dc solid-state relays should be selected(DC-SSR)。 If you choose...
2016-02-01 Reading quantity 1667
introduction： China University of Mining and Technology and Yanzhou Mining（clique）The limited liability company uses programmable controllers to retrofit existing mine hoist electromechanical control systems，The reliability of programmable controller of NC hoist is studied，Make it have stronger anti-interference ability buddy and user connection adaptability。 The failure of programmable controller system includes the failure of external equipment、System failure、Hardware failure...
2016-02-01 Reading quantity 1685
introduction： The programmable controller itself relies on some programs to operate，This is where the programming language comes in，So what are the programming languages of the programmable controller that are often used？The following small series to introduce you to the common programming languages of programmable controllers。 &n...
2016-02-01 Reading quantity 1983
introduction：
Abstract：This paper proposesPLC（Programmable controller）Application of inner circle cutting machine。The feeding position of the machine is realized by logical control、Cutting counts and other requirements,The calculation and programming are carried out by ladder diagram,The result shows thatPLCIt can improve the reliability of the machine。
keyword：PLC，Logic control，reliability，Inner circle cutting machine
2016-01-31
Reading quantity 1638
introduction：
one、introduction
In industrial automation control systems，The most common isPLCCombined application with frequency converter，And produced a variety ofPLCControl frequency converter
2016-01-31
Reading quantity 1825
introduction：The article describes relay knowledge_Relay basic knowledge introduction application one、 Relay basics_The working principle and characteristics of relays 。 A relay is an electronic control device，It has a control system（Also known as input loop）And the controlled system（Also known as output loop），It is usually used in automatic control circuits，it A small current is used to control a larger current“Automatic switch”。Therefore, it plays an automatic regulation in the circuit、Security protection、Conversion circuit, etc。 1、 The working principle and characteristics of electromagnetic relay electromagnetism...
2016-01-30 Reading quantity 1485
introduction： CNC sheet metal bending machine generally adopts all-steel welding structure，It has sufficient strength and rigidity。The three commonly used structure types of CNC sheet metal bending machine are as follows： Hydraulic up drive，The oil cylinders at both ends of the machine are arranged on the slide block，Direct drive sliding operation。The sliding block synchronization mechanism adopts torsion shaft forcing...
2016-01-30 Reading quantity 1647
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