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introduction：What is a mine reducer，Mine reducer is?It is used for deceleration in transportation and transmission machinery and equipment in coal industry，The characteristic of mine reducer is?Gear and gear shaft are made of high strength and low carbon alloy by special processing because they are used in mining，So the material is also relatively special，Features are also very consistent with the environment of use。Has a high carrying capacity、Long life、Low noise、Small size、Compact structure and other advantages。
2017-06-30 Reading quantity 219
introduction：In the field of industrial control，Inverter has been widely known and widely used，Various parties can give a variety of descriptions of the inverter。Definition given by Wikipedia：“Frequency changer（variable frequency drive，Common abbreviationVFD），Also known as variable frequency driver or drive controller。Frequency converter is a kind of adjustable speed drive system，It is the application of frequency conversion drive technology to change the frequency and amplitude of AC motor operating voltage，To smoothly control AC motor speed and torque，The most common type is AC, where both the input and output are AC/Ac converter。”In short，The frequency converter can be changed by changing the frequency of the power supply added to the motor，And change the speed of the motor。 With the rapid development of power electronic devices，The capacity of high voltage frequency converters is getting bigger and bigger，How to meet the large capacity high voltage inverter factory full power test is always placed in front of
2017-06-30 Reading quantity 236
introduction：Free cutting steel(free cutting steel)Add a certain amount of one or more sulfur to the steel、phosphorus、lead、calcium、selenium、Free cutting elements such as tellurium，Alloy steel to improve its machinability。Also known as automatic machine tool processing steel，Short for automatic steel。This type of steel can be cut with a higher cutting speed and a larger cutting depth。Due to the addition of easy cutting elements in steel，The cutting resistance of steel is reduced，At the same time, the characteristics of the easy cutting elements themselves and the formed compounds play the role of lubricating cutting tools，Brittle chip，Reduced wear，Thus, the surface roughness of the workpiece is reduced，Improved tool life and productivity。 Free cutting steel is mainly used to make instruments with small forces and strict requirements for size and finish、Watch parts、CARS、Used on machine tools and various other machines，Strict requirements for dimensional accuracy and finish，The standard parts with relatively low mechan
2017-06-30 Reading quantity 318
introduction：Introduction to square steel pipe： Square steel pipe is also called square pipe，Its a name for square pipe，Thats steel pipes with equal sides。It is made of strip steel by processing and rolling。Square steel pipe，Thick wall square steel pipe，Large diameter square steel pipe，Seamless square steel pipe，Low alloy square steel pipe，135*135*10Square steel pipe，Square steel pipe for tower crane，Q345BLow alloy square steel pipe，20#Seamless square steel pipe。 Square tube，As the name implies，It is a tubular form of a square shape，Many kinds of materials can be formed into square tubes，It mediates in，For what，What is it used for，The majority of square pipes are steel pipes，Most of them are structured square tubes，Decorative square pipe，Construction square pipe, etc. Square tube，Its a name for square pipe，Thats steel pipes with equal sides。It is made of strip steel by processing and rolling。The strip is usually unpacked，smooth，crimp，Weld to form a round tube，Round tubes are then rolled into square
2017-06-30 Reading quantity 283
introduction：controller（English name：controller）It refers to changing the wiring of the main circuit or control circuit and changing the resistance value in the circuit to control the start of the motor in accordance with the predetermined sequence、Speed regulation、Master device for braking and reversing。By-program counter、Instruction register、Instruction decoder、The timing generator and the operation controller are composed，It issues commands“Decision-making body”，That is to complete the coordination and command of the entire computer system operation。 There are many kinds of controllers： The controller consists of combinational logic controller and microprogram controller，Both controllers have their strengths and weaknesses。Combinatorial logic controller design is troublesome，Complex structure，Once the design is complete，It cant be modified or expanded，But its fast。Microprogram controller design is convenient，Simple structure，Modification or expansion is convenient，Modify the function of a machine instruction，J
2017-06-30 Reading quantity 537
introduction：Mixer truck Concrete mixer truck（cement mixer,concrete mixer）A special truck used to transport concrete for construction；Because of its shape，It is also often referred to as a field snail；It is made from the chassis of the car、Mixing drum、Transmission system、Water supply installation、Full power extractor...
2017-06-30 Reading quantity 253
introduction：bkSupport mount The bead screw support seat is a bearing support that supports the connection between the ball screw and the motor，Support seats are generally divided：Fixed side（postadditionKBe expressed asBK12）And support side（withFBe expressed asBF12）Theyre all preloadedJIS5Grade angular contact ball bearing。Ball screw support seat，Equipped with contact angles developed for ultra-small ball screws45°The ultra-small angular contact ball bearing，High rigidity can be obtained、High precision stable turning performance。The support unit on the support side uses deep groove ball bearings。Support unit such asEK、BKAn appropriate amount of lithium soap-based grease is loaded into the inner bearing of the type 2，Seal with special sealing gaskets，Direct mounting，Long-term use。 bkScrew support seat installation procedure： one、Install the support seat
2017-06-30 Reading quantity 188
introduction：Tension controller（Tension controller）It is a system developed by a single chip microcomputer or some embedded devices and peripheral circuits，Its a control instrument，It can directly set the tension value required for control，Then feed the tension sensors signal directly（Generally in the millivolt class）As a tension feedback value，After the deviation is obtained by comparison，Input intoPIDWait for the controller to process，It is best to output to the peripheral actuator to control，Finally, the deviation is minimized，System response fastest purpose。 In the industrial control industry，In some ribbon and line type products，It is often necessary to control tension to meet production requirements，The tension controller is a kind of instrument that controls this kind of tension。The tension controller also has a so-called manual control function，Generally, it means that the human can give a certain output to the actuator through the tension controller（Often the current flow of the motor）；The general tension
2017-06-29 Reading quantity 310
introduction：The pressure controller is made of metal316LDiaphragm type sensor，Can be used in neutral oils、Gaseous medium and water。The setting value of the controller is adjustable，Range of regulation-0.1 ~ 40MPaRange range is optional。 Explosion-proof products explosion-proof mark isExed II CT6，It can be used for gases that have no corrosive effect on pressure sensing elements、Medium such as liquid or steamIIA、IIB、IICclassCT1~ CT6Automatic pressure control for a group of explosive gas mixtures。The pressure controller can be used for neutral or corrosive gases and liquid media。The set value range is adjustable，The adjustment range is0.02～42Mpa．The switching difference is not adjustable．Pressure controllers include a wide range of varieties,There is a differential pressure controller,Explosion-proof pressure switch,Explosion-proof differential pressure switch,Pressure transmitter,Differential pressure transmitter,Air pressure switch,Wind pressure transmitter,
2017-06-29 Reading quantity 312
introduction：The fluid medium temperature controller realizes automatic adjustment by using the principle of thermal expansion and cold contraction of temperature-sensitive fluid and incompressibility of liquid。When the control temperature rises, the thrust generated by the expansion of the temperature sensitive liquid will turn down the heat medium，To reduce the output temperature；The temperature-sensing liquid shrinks when the control temperature decreases，Turn up the heat medium under the action of the reset device，To increase the output temperature，Thus, the controlled temperature can be reached and maintained within the set temperature range。 The working principle of bimetal temperature controller is based on the principle of thermal expansion and contraction of objects。Heat expansion and cold contraction are the common characteristics of objects，But different objects have different degrees of heat expansion and contraction。The two sides of the double gold sheet are conductors of different substances，The doub
2017-06-29 Reading quantity 321
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