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IKOAccuracy points of bearings（main）Dimensional accuracy and rotation accuracy。Accuracy levels are standardized，Fall into0level、6Xlevel、6level、5level、4level、2Grade six。Accuracy from0Step by step increase，For general purpose0Level sufficient，But when used in other conditions or occasions，Requires5Grade or higher accuracy。 The accuracy level above is althoughISOThe standard is formulated as the basis，However, the name varies from country to country。 Dimensional accuracy（Items related to shaft and housing installation） 1、Inside diameter、Outside diameter、wide
Cylindrical roller 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。]Usually by a 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 transmission
How to improve the efficiency of power consumption according to the related factors affecting power consumption，How to improve and improve the application of ozone in pulp bleaching，And the Drymon technology-The measures and achievements of Ozonia Company in improving ozone efficiency are discussed。 keyword：Ozone power pulp bleaching 1introduction about20Before the New Year，The possibility of substituting ozone for chlorination is being considered from an ecological point of view，Combined with others such as chlorine dioxide、Bleaching agents such as hydrogen peroxide and peracetic acid are used in the pulp bleaching industry。 merely，At that time people felt no matter from the cost of investment、Still too much power consumption
High speed ratio and rate single stage transmission，Can reach1：87Deceleration ratio of，Efficiency in90％above，If the use of multistage transmission，The deceleration ratio is greater。 〇Compact structure and small size due to the use of planetary transmission principle，The input axis and output axis are on the same axis line，Make its models as small as possible。 〇Smooth running low noise cycloidal needle teeth more engaged teeth，The overlap coefficient is large and the mechanism of mechanical balance is present，Keep vibration and noise to a minimum。 〇Reliable use、Long life because the main parts are made of high carbon chromium steel material，quenched（HRC58～
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。]form ●British single row deep groove ball 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，To reduce motion
In order to extendSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Service life，Installation is a step that cannot be ignored，How to provide installation accuracy directly affectsSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager
Foreign 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。]Summary of heat treatment methods：The quality of heat treatment is directly related to the quality of subsequent processing and ultimately affects the service performance and life of parts. Heat treatment machinery industry is a big energy consumer and a big polluter. In recent years, scientific and technological progress and the application of heat treatment technology development mainly reflects the following aspects
Main use This machine is suitable for pharmaceutical、Chemical engineering、food、Drying of granular materials in light industry,Particle size range to0.1-6mmTo be preferred。 Working principle The air is purified by heating，Pumped into the container by the fan，After evenly distributing air through porous mesh plate，Under the double action of stirring and negative pressure, fluidization is formed，In a large area of gas-solid two-phase contact，materiel（Solid phase）The water inside evaporates rapidly，Dry out。 Main feature The material container is sealed by air bag，Easy to operate、fast、reliable； In container
The noise generated by the reducer is mainly due to the friction of the transmission gear、Vibration and collision，How to reduce and reduce noise effectively，Making it more in line with environmental protection requirements is also a key research topic at home and abroad。 Reducing the noise of gear transmission when the reducer is running has become an important research topic in the industry，Many scholars at home and abroad regard the change of tooth meshing stiffness in gear transmission as gear dynamic load、Vibration and noise are major factors。By modifying the shape，The dynamic load and velocity fluctuation are minimized，To achieve the purpose of reducing noise。
Indexable inserts are used with conventional cutting speeds and revolutions60A new level of milling technology after the decade。At present, in the field of high-speed cutting, in addition to the integral carbide tool, there are indexable tools。Priority areas are aluminum alloy processing and tools、Mold making。 In the case of high speed cutting to obtain a precise surface，The decisive factor in the use of indexable tools is the safe fixation of indexable blades；There is absolutely no loosening under the action of cutting force and centrifugal force；The consistency of the blade position can be changed after the blade is replaced；in
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