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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 1576
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 2063
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 1655
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 1652
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 1676
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 1693
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 1993
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 1649
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 1834
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
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