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introduction：Working principle and application of limit switch In the industry, the limit switch is also known as the travel limit switch，Used to control the stroke and limit protection of mechanical equipment。In actual production，Install the travel limit switch in a pre-arranged position，When a module mounted on a moving part of a production machine strikes a travel switch，Contact action of the travel limit switch，Realize circuit switching。therefore，Limit switch is an electrical appliance that switches circuits according to the stroke position of moving parts，It works like a button。Limit switches are widely used in all kinds of machines The bed Hoisting machinery，To control its travel、Perform terminal limit protection。in elevator In the control circuit，The travel limit switch is also used to control the switch car The door The speed of、Automatic opening and closing limit，On the car、Lower limit protection。 Limit switch is an electrical switch used to limit the motion limit position of mechanical equipment。The switch is av
2018-03-28 Reading quantity 261
introduction：Teach you how to easily buy Panasonic servo motor at present，Panasonic servo motors are widely used in machinery，A device used primarily as a supplementary motor for indirect transmission，Many users In the purchase of Panasonic servo motor will encounter such a problem，Do not know how to buy Panasonic servo motor，The following small series teaches you how to choose the method of servo motor。one、Panasonic servo motor purchase the basic method。1、Depending on the actual condition of your machine，To choose a suitable Panasonic servo motor。2、You can meet certain requirements according to your needs for the product，To purchase matching Panasonic servo motor specifications and models。
2018-03-28 Reading quantity 411
introduction：The development prospect of switching power supply Switching power supplies are made using modern power electronics technology，Control the time ratio between the opening and closing of the switch tube，A power source that maintains a stable output voltage，Switching power supplies are generally modulated by pulse width（PWM）ControlsICandMOSFETconstitute。With the development and innovation of power electronics technology，The switching power supply technology is also constantly innovating。At present，Switching power supply to small、The characteristics of light weight and rate are widely used in almost all electronic devices，It is an indispensable power source for the rapid development of todays electronic information industry。
2018-03-27 Reading quantity 254
introduction：、What models need to be supported The support was added to the model mainly to prevent the material from falling during the printing process，The success rate of model printing is affected。Weve mentioned this before45°Angle principle，But a lot of people think its a little professional，Its still hard to understand，In fact, in popular terms, whether to add support is to see whether the model has a hanging part。 Some models look simple，But most of the area in the middle is suspended，Something like this must be supported，Otherwise the material will fall during accumulation，The print experience will be poor。 Some models are relatively complex，There are even nested structures，But the top and bottom are the same width，Or big down and small up，There are no dangling parts，Therefore, there is no need to add support。 meanwhile，It also includes the Angle of the model that we talked about earlier，Different placement methods，The requirements for adding support are also different，This point needs everyone to experience and o
2018-03-27 Reading quantity 275
introduction：There are several types of proximity switches Proximity switch It is the use of conductive objects in the approach of this can generate an electromagnetic field proximity switch，Causing eddy currents inside the object。This vortex reaction To approach switch，Make the switch internal circuit parameters change，This identifies whether an electric object is moving closer，And then control the switch on or off。The object that the proximity switch can detect must be an electrical conductor。 1、Capacitive proximity switch，The measurement of this switch is usually one of the plates that make up the capacitor，And the other pad is the housing of the switch。This housing is grounded or connected to the housing of the device during measurement。When an object moves towards the approach switch，Whether its a conductor or not，Due to its proximity，The permittivity of the capacitor always changes，So that the capacitance changes，The state of the circuit connected to the measuring head also changes，This allows the switch to be switc
2018-03-26 Reading quantity 295
introduction：Protection technical knowledge of DC switching power supply1、concept：The high power switching devices used in DC switching regulated power supply are more expensive,Its control circuit is also more complex,In addition,The load of the switching regulator is generally an electronic system mounted with a large number of highly integrated devices。Transistors and integrated devices withstand electricity、The ability of thermal shock is poor。Therefore, the protection of the switching regulator should take into account the safety of the regulator itself and the load。There are many types of protection circuits,Polarity protection is introduced here、Program protection、Overcurrent protection、Overvoltage protection、Undervoltage protection and overheat protection circuit。Several types of protection are commonly used
2018-03-26 Reading quantity 207
introduction：AMISupporting seatAlso known asAMIFixed seat，The two ends of the ball screw are processed and can be installed on the fixed seat and support seat，Support seat is also called fixed seat，Put the bearing inside the finished mold，To match the rotation of the ball screw。nowAMIWell done with the support seats，Interested parties can consult our customer service staff。
2018-03-26 Reading quantity 239
introduction：Type of touch switch：Mechanical tap switch、Double conductive switch、Single chip trigger switch、Resistive film or conductive film pressure sensing switch、Capacitive finger switch。 1、Mechanical tap switch：Its still a traditional pushbutton switch，Only the improved travel is short，The distance you need to press is small。 2、Double conductive switch：The front end is two electrodes，Inside is an amplifier circuit，Amplify the current that forms in the two electrodes when your finger touches them，And drive the rear circuit，Implement switching or control functions。 3、Single chip trigger switch：Theres only one electrode at the front，After touching the hand, the human body as an antenna receives the electromagnetic wave absorbed from space and sends it through the electrode to the circuit，The circuit is a high gain amplifier circuit，You can amplify very small signals，This signal is used to trigger the back-end circuit to achieve switching or control functions。Because you have to amplify a very small signal，A high input i
2018-03-23 Reading quantity 284
introduction：Taiwan Mingwei Co., Ltd. is specialized in the development and production of switching power supply enterprises，1994Annual passISO9001authentication，Most of the products produced are passedUL，TUV，CE，3Cauthentication，Sold all over the world。In China、Taiwan、The United States has a number of design patents，Its trademark is in China、America、Europe、Taiwan、Trademarks are registered in Hong Kong and other countries。
2018-03-23 Reading quantity 328
introduction：The limit speed of the general bearing seat usually refers to the high speed that can be achieved under the following conditions： （1）Bearing tolerance is0level； （2）Bearing clearance is0group； （3）Bearing load is rated load10％（namely0.1C）； （4）Lubricating oil cooling condition is normal； （5）Radial bearings bear radial loads only，Thrust bearings bear axial loads only； （6）The outer ring temperature does not exceed100℃。
2018-03-23 Reading quantity 332
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