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Technical articles
During heat treatment，To accurately measure and control the temperature of the workpiece and the cooling medium，Demand test、Temperature controller The thermometer is used to measure and control temperature。 1．Liquid glass thermometer Glass liquid thermometers are based on liquid media（Hydragenum、Alcohol、toluene）The temperature is measured by the principle of thermal expansion in the glass tube，The measured temperature range is：-100℃～800℃。Glass liquid thermometers are characterized by an in situ indication，Accurate and convenient，Live contacts can also be equipped with relays for signaling or control。 2．Thermocouple and millivoltmeter A thermocouple consists of two wire or alloy wires of different compositions，Weld one end and insert
Angular contact ball 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。]It can withstand both axial and radial forces in one direction。The line above and below the force point of the rolling body，It has a certain Angle to the radial direction。Such bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
KOYOBearing in the process of use，Improper installation caused some problems due to the use of fire。 Raceway surface metal spalling cause： 1、KOYOBearing rolling body and inside、The outer raceway surfaces are subjected to periodic pulsating loads，The resulting contact stress varies periodically。 When the number of stress cycles reaches a certain value，In or within a rolling body、Fatigue spalling occurs on the working surface of the outer raceway。2、KOYOThe bearing is overloaded，Can make this fatigue worse。3、KOYObearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）
three．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。]Configuration and parts: （one）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 phase each other on the shaft
In high speed milling machining die，Tool technology is the key，And it involves a lot of things，It is mainly reflected in the selection of tool materials and geometric parameters、Tool damage and detection、Connection technology of tool and machine tool、Tool safety and other issues。 1 Tool material and geometric parameter selection （１）Tool material High-speed milling requires that the high-speed tool material and the material to be machined must have a small chemical affinity，It has good thermal stability、Impact resistance、Abrasion resistance、Thermal fatigue resistance，And has excellent mechanical properties。 At present，The main tool materials used for high speed hard milling are polycrystalline cubic boron nitride
Characteristics of electromagnetic clutch 1、Strong durability：Good heat dissipation，And they use high-grade materials，Even at high frequencies，High energy use，Also very durable. 2、Easy assembly and maintenance：Ball 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，It is used to reduce friction coefficient and maintain shaft during power transmission
TIMKENImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]Whether the installation is correct，Affect the accuracy、Life span、property。therefore，Design and assembly department forTIMKENImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]
For ease with plain 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。]Compare，Rolling 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，To reduce power
J machine General machinery and equipment 1 GB 567-1989 Technical conditions for arch metal bursting disc Specification for domed metallic bursting discs 2 GB/T 783-1987 Lifting machinery Maximum lifting weight series Lifting appliance Range of maximun capacitios 3 GB/T 790-1995 Electric bridge lift
KOYOBearing assembly mode：Due to 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。]Is a high precision product，In case of improper assembly，Easily damaged channel 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
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