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introduction：plcProgrammable controller Programmable controller is a member of the computer family，It is designed and manufactured for industrial control applications。PLCA programmable controller is an electronic system operated by digital arithmetic，Specifically designed for use in industrial environments。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。
2017-10-16 Reading quantity 174
introduction：Safety relay A safety relay is a combination of several relays and circuits，In order to complement each others abnormal defects，Complete function of relay with correct and low error operation，The lower the error and failure value，The higher the safety factor，Therefore, it is necessary to design a variety of safety relays to protect different grades of machinery，The main objective is to protect machine operators who are exposed to different levels of risk。 Safety relay principle： Electromagnetic type Electromagnetic relays generally consist of an iron core、coil、armature、Contact reed and other components。Just apply a voltage to both ends of the coil，A certain amount of current will flow through the coil，This creates an electromagnetic effect，The armature will overcome the tension of the return spring and draw towards the core under the action of electromagnetic force，Thus driving the armature moving contact（Normally open contact）Contact with static（Normally closed contact）actuation。When the coil is powered off
2017-10-16 Reading quantity 149
introduction：Solid-state relay Solid-state relay，Is made of microelectronic circuits，Discrete electronic device，A contactless switch composed of power electronic power devices。The isolation device is used to realize the isolation between the control end and the load end。The input of a solid-state relay uses a tiny control signal，Achieves direct drive high current load。 Solid-state relay features： Solid state relays are contactless electronic switches with isolation functions，There are no mechanical contact parts during the switching process，Therefore, solid-state relays have the same functions as electromagnetic relays，It is also compatible with logic circuits，Resistance to vibration and mechanical impact，Unlimited installation position，It has good moisture, mildew and corrosion resistance，Excellent performance in explosion-proof and ozone pollution prevention，Low input power，High sensitivity，Low control power，Good electromagnetic compatibility，Low noise and high operating frequency。
2017-10-16 Reading quantity 154
introduction：Solenoid valve symbol When it comes to solenoid valves, I believe that many people in the machinery industry are not strange！Solenoid valves are industrial equipment controlled by electromagnetism，It is a basic element of automation used to control fluids，actuator，Not limited to hydraulics、pneumatic。Used in industrial control systems to adjust the direction of media、Flow rate、Speed and other parameters。Most of the time we use symbols instead of words，Small small edition will take you to understand the electromagnetic valve symbol diagram。
2017-10-13 Reading quantity 172
introduction：ascoSolenoid valve Solenoid valve as an indispensable part of the machinery industry，The application is also very wide 。AmericaASCO JOUCOMATICThe company is the world500One of the strongest members of the Emerson Group，It is a multinational company that produces and sells fluid control valves and pneumatic control components，possess100Years of experience in production technology，Has more than30A factory，Provide customers with more than23,000A variety of fluid control products。 ASCOAll kinds of solenoid valves
2017-10-13 Reading quantity 165
introduction：The so-called synchronous belt drive is the meshing belt drive。It transmits motion through the meshing of transverse teeth equidistant on the inner surface of the drive belt and corresponding tooth slots on the belt wheel。Compared with friction belt drive，There is no relative slip between the belt wheel and the drive belt of the synchronous belt drive，A strict transmission ratio is guaranteed。But synchronous belt drive has higher requirements for center distance and dimensional stability。 Synchronous belt driveBelt drive、Advantages of chain drive and gear drive。Synchronous belt drive because the belt and pulley are transmitted by mesh movement and power，Therefore, there is no relative sliding between the belt and the pulley，Can guarantee accurate transmission ratio。The synchronous belt usually has steel wire rope or glass fiber rope as the tensile body，Neoprene or polyurethane as the substrate，The belt is thin and light，Therefore, it can be used for higher speeds。The linear speed of transmission can be r
2017-10-12 Reading quantity 166
introduction：Industrial belt silicone belt，Silicone rubber for short（SI）, Silicone rubber industrial belt is characterized by temperature resistance200The degree of，Surface non-stick，The band body is soft and elastic，The color is more white，thickness2to15mm，Silicone industrial belts are generally thick in5mmbelow。wide2meter，Unlimited length。 Industrial belt siliconeWith the overall structure there2Kind of： one、Seamless no skeleton silicone tape or silicone block，Integral translucency，It has extensibility， two、Surface silicone back cloth，Good tensile strength，Extensibility is negligible，Make industrial silicone tape connection into a ring type heating tooth joint，Steel buckle joint，grinding Industrial silicone belt industry application，Packaging equipment，oven，Photovoltaic industry，The actual use of silicone tape surface does not stick to viscous substances such as adhesive water。
2017-10-10 Reading quantity 171
introduction：Category of belt conveyor：Trough belt conveyor、Straight belt conveyor、Climbing belt conveyor、Assembly type belt conveyor、Turning belt conveyor、Light belt conveyer、Telescopic belt conveyor、Loading and unloading belt conveyor and non-standard belt conveyor。 Characteristics of belt conveyor:Has a large throughput、Simple structure、Easy maintenance、Components standardization and other features。 Scope of application：corpuscle、beverage、food、package、machine、corpuscle、Light industry、tobacco、Chemical engineering、Logistics and other industries。
2017-10-09 Reading quantity 169
introduction：PVCThe rubber surface of the conveyor belt is polyvinyl chloride（Polyvinylchloride，PVC），It is composed of polyester fiber cloth and polyvinyl chloride glue。Its operating temperature is generally-10°to+80°，The joint mode is generally international tooth joint，Good lateral stability suitable for transmission in various complex environments。
2017-10-09 Reading quantity 161
introduction：Change gear Gear wheelIt is a mechanical component with teeth on the rim that can continuously engage and transmit motion and power，Are mechanical parts with teeth that mesh with each other，The diameter of the big gear is twice the diameter of the small gear。The application of gears in transmission appeared very early，B.c.300Many years，The ancient Greek philosopher Aristotle《Mechanical problem》In the，The problem of transmission of rotating motion by bronze or cast iron gears is described。19End of Century，The principle of generative cutting method and the successive appearance of special machine tools and tools for cutting teeth using this principle，The gear processing has a more complete means，And with the development of production，The smoothness of gear operation is valued。
2017-10-09 Reading quantity 176
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