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introduction：Scope of application This equipment is widely used in food、Chemical engineering、medicine、Powder in building materials and other industries、Drying of granular materials。The products that get the ideal drying effect are：starch、glucose、Fish meal、Granulated sugar、sugar、Distillers grains、fodder、gluten、Plastic resin、Pulverized coal、dye。 Flow diagram Working principle FGThe working principle of series air dryer is to dry wet materials
2015-02-02 Reading quantity 2893
introduction：1.Load type and inverter selection：The frequency converter can not be used normally in all cases，So it is necessary for the user to load、Learn more about environmental requirements and drives,The load driven by the motor is not the same，The requirements for frequency converters are also different。 A:Fans and pumps are the most common loads：The requirements for frequency converters are the simplest，As long as the frequency converter capacity is equal to the motor capacity（Air compressor、Deep-water pump、Sediment pump、The rapidly changing musical fountain needs to increase its capacity）。 B:Crane type load：This type of load is characterized by a large impact at start-up，Therefore, the frequency converter is required to have a certain margin。
2015-02-02 Reading quantity 2905
introduction：Standard software、Open controllers are truly the next generation of controllers。 The traditional CNC system uses a special computer system，The hardware and software are closed to the user，The main problems are as follows： （1）Due to the closed nature of the traditional CNC system，The hardware and software of each CNC system manufacturer are incompatible，The security of user investment is threatened，High cost of purchase and use during product life cycle。At the same time, the mainstream technology of hardware and software of special controller is far behindPCThe technology of，System failure“borrow”ever-changingPCUpgrade by technology。 （2）Fixed system function，Insufficiently inverse
2015-02-02 Reading quantity 2895
introduction：Hardware exercises class one、Multiple choice question 1During the data exchange between the host and peripheral devices，To solve the synchronization and coordination between the two、Data format conversion and other questions topic，Must be introduced()。 A、Data buffer registerB、I／ObusC、I/OportD、String parallel shifter 2In useDMAmodalI/OIn the system，The basic idea is to establish direct data between the following components or devices passage，This refers to()。
2015-02-02 Reading quantity 2810
introduction：The sound produced by the vibration of each system when the car is working is collectively referred to as the sound of the car，Some books call it noise。And these sounds can be divided into normal and abnormal sounds 熞 yu 犃 sauce is out of yoＦMany of the cars faults are manifested by abnormal sound，Abnormal sound is a phenomenon，Fault is the essence。If the fault is not removed in time, it is easy to cause major mechanical accidents。 Car common abnormal sound can be mainly divided into powertrain abnormal sound、Abnormal noise in the drive train、The driving is abnormal、Wind resistance abnormal sound and other major categories。 Abnormal power train noise The main fault occurred in the engine and its related components，Abnormal noise varies with engine speed，and
2015-02-02 Reading quantity 1568
introduction： Contact fatigue failure refers toINAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The working surface is subjected to alternating stress and produces failure。Contact fatigue spalling occurs on the bearing working surface，Often accompanied by fatigue cracks，It is first generated from the maximum alternating shear stress below the contact surface-，Then extend to surface shapes
2015-02-02 Reading quantity 1551
introduction：Compared with ordinary mechanical parts，KOYOHigh accuracy of bearings，Therefore, it should be used with care。 1、Holding bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]And the cleanliness around it。 2、Use it carefully：If used carelesslyKOYOBearing with strong impact，Will make the bearing appear
2015-02-02 Reading quantity 1458
introduction：In the machining process，When the position relationship between the tool and the workpiece surface is reasonable，Machining surface accuracy can meet the processing requirements，Otherwise, it can not meet the processing requirements，Machining accuracy analysis is to analyze and study various factors when machining accuracy can not meet the requirements，That is, the possibility of various original errors，And take effective technological measures to overcome，Thus improve the machining accuracy。 In machining，Machine tool、jig、The workpiece and the tool constitute a complete system，Process system。Due to the structure and state of the process system itself、The physical and mechanical phenomena in the operation process and the machining process produce the tool and the workpiece
2015-02-02 Reading quantity 1578
introduction：property 1、Gear is carburized and quenched by high quality alloy steel，The tooth surface hardness is high60±2hrc，High grinding accuracy of tooth surface5-6level。 2、Using computer modification technology，Preshape the gears，Greatly improve the bearing capacity of the reducer。 3、From box to internal gear，A complete modular design is adopted，Suitable for mass production and flexible selection。 4、The standard reduction model number is divided according to the torque decline form，Compared with the traditional equal proportion division，Power waste is avoided。 5、adoptcad/camDesign and manufacture，Ensure the stability of quality。 6、adopt
2015-02-02 Reading quantity 2818
introduction：The shaft is made of two bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Supported in radial and axial directions，The bearing on one side is called the fixed-end bearing，It bears both radial and axial loads，It acts as the relative axial displacement between the fixed shaft and the bearing box。The other side is called the free end，Bear radial loads only，The axis can move relative to each other。
2015-02-02 Reading quantity 1595
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