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introduction：Ten reasons for the common failure of automobile oil pump （1)The plunger and plunger sleeve are worn。In the process of use，The mechanical impurities in the fuel enter the injection pump cavity，Formation of abrasive wear，Plus the corrosive effects of fuel oil，The gap between the plunger and the sleeve is increased，Fuel leakage from plunger sleeve gap during oil pressure stroke，Undersupply or no fuel。 （2)The oil delivery valve is worn。Mechanical impurities in fuel oil，The high speed flow creates an oil outlet valve、Loose seal due to wear of relief belt or valve seat，The residual pressure in the high-pressure tubing is insufficient。When the injection pump pumps oil again，There is insufficient pressure in the high pressure pipe of some fuel supplement，As a result, insufficient fuel is supplied to the cylinder，No oil supply in severe cases。
2017-11-21 Reading quantity 286
introduction：Double strength cylinder popular name is called series cylinder，In fact, it is more appropriate to call it multiple output cylinder（Short for double force cylinder）。 Multiple output cylinders--Use the same and same stressors，The output is the same cylinderSeveral times of，Great contribution，Multilayer piston coupling，The output is multiplied，Compact length dimensions，Multilayer stack，Multiple piston forces at the same time，Multiply the output force of the cylinder。Multilayer booster cylinder：Inside each layer of cylinder，They all have a piston，But the force on the piston during the push and pull，non-equivalence。If thrust is required to work，The piston rod is pushed out，All pistons produce thrust；On return，Only one piston pulls。If you need pull work，When the piston rod pulls back，All pistons are pulling；At launch，Only one piston produces thrust。
2017-11-20 Reading quantity 419
introduction：Xintuo industrial robotDeveloped motion controllerXT_CTRL CARD V04,Is a high-performance basedARMOn the microprocessor，Xintuo company independent research and development of universal independent motion controller，controllable1-6Shaft servo motor or stepper motor，Can be used with many types of motors andIOThe components constitute a complete control system。16The output capacity of the road universal digital drive is24v /500MA。 The system has the advantages of strong controllability and flexibility，Run smoothly，Clear visual interface，Simple operation，Powerful function，Widely used in industrial robots、Special CNC machine tool、Machine vision and measurement automation，Truly help you realize the full automation of robot intelligent equipment。
2017-11-20 Reading quantity 340
introduction：Double salient pole permanent magnet motor(Doublysalientpermanentmagnetmotor,For shortDSPM)With the rapid development of power electronics and microelectronics90A new type of mechatronics controllable AC speed regulation system has just appeared[1～6]。The system consists of double salient pole permanent magnet motors、Power converter、Position sensor and controller are composed of four parts。Electric machineThe structure of fixed rotor is similar to that of switched reluctance motor,It has a double convex pole structure,But its in the rotor(OR-stator)A permanent magnet is placed on it,Therefore, the operation principle and control strategy are fundamentally different from switched reluctance motor。DSPMThe main advantage of the system is its simple structure、Flexible control、Fast dynamic response、Good speed control performance、torque/High current ratio,Various torque requirements can be achieved/Speed characteristic,Power factor is close to1,High efficiency,It is a new research direction after switched reluctanc
2017-11-20 Reading quantity 413
introduction：“Alternating current motor”：It is a machine used to realize the mutual conversion of mechanical energy and AC electric energy。Due to the tremendous development of AC power systems，Ac motor has become a commonly used motor。Alternating current motorCompared with DC motor，Because there is no commutator（See commutation of DC motors），So the structure is simple，Easy to manufacture，Relatively firm，Easy to make high RPM、High voltage、Heavy current、Large capacity motor。Ac motor power covers a large range，From a few watts to hundreds of thousands of kilowatts、Even millions of kilowatts。20century80Early era，The large turbogenerator has arrived150megawatt。Alternating current motor[1] It was created by SerbiAn-American scientist Nicola·Tesla invented it。
2017-11-20 Reading quantity 338
introduction：A robotic hand gripper is one with multiple degrees of freedom，A mechanical component capable of grasping objects skillfully。Can be used in various industrial automation production、Assembly and operation， Information detection can be performed in high-risk environments、Item collection and reconnaissance、Explosive disposal and other tasks。The robot hand gripper generally adopts a clamp structure，To open、A combination of ways to pick up objects。therefore，“jaw”Accurate measurement and control of opening and closing，It is a key factor that directly affects the success of the clamping process。Proximity sensors can sense changes in distance and position，therefore，Also in the robot hand gripper，Common sensor for measuring opening and closing，
2017-11-20 Reading quantity 269
introduction：The following is an introduction to the application of optical fiber sensors，Want to know, dear，Come and have a look！
2017-11-20 Reading quantity 255
introduction：1.Steering stationary This kind of motor in normal operation，Electric machineTheres only one way to turn，blower-like、Submersible pump、pulverizer，The author summarized the wiring secret is：The single phase has a mask and a split phase，Lead out the wire end to see the steering，Phase transition from secondary to primary，Shield pole from main to secondary。 （1）Shaded pole type Covered pole motor whether it is convex pole or hidden pole，It fits all the wiring patterns“Shield pole from main to secondary”，For example40WHeilongjiang brand blower，12slot2very，It is a distributed winding，It is a hidden pole structure，Its end wiring is shown in the figure on the right，The main winding is1Into the4Out of the，10Into the7Out of the，First in and last out、Tail in first out，The end to end method is adopted；The secondary windings each form a short circuit ring，only2turn。In the pictureABMain winding neutral line，CDSecondary winding neutral line，The result of this connection，Steering is always rotated from the main winding
2017-11-20 Reading quantity 326
introduction：leserHydraulic safety valve LESERThe company is a pioneer in the field of mechanical engineering in Germany200Annual history，Be established in1818years，Safety valve is a professional manufacturer，It produces the worlds leading safety valve products。LESERThe safety valve products are common23Series composition（diameterDN10~400,NPS1/2”~16”），They can be adapted for applications in all industrial sectors。
2017-11-20 Reading quantity 261
introduction：leserStainless steel safety valve leserSafety valve is a kind of safety protection valve，Its opening and closing parts are in a normally closed state under the action of external forces，When the medium pressure in the equipment or pipe rises，It automatically opens when the specified value is exceeded，Prevent medium pressure in pipelines or equipment from exceeding specified values by discharging medium outside the system。Safety valves belong to automatic valves，Mainly used in boilers、Pressure vessels and pipes，Control pressure does not exceed the specified value，It plays an important role in protecting personal safety and equipment operation。
2017-11-20 Reading quantity 240
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