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introduction：1.load：The load carried by the slide 2.Reciprocating speed：Whats the reciprocating frequency（Acceleration and deceleration time200ms=0.2seconds ） 3.Environment of use ：Whether it is used in high temperature working environment 4.Is there a cantilever：How long is the cantilever 5.The side swing force of the slide：The instantaneous swing of a moving object when it stops
2018-08-20 Reading quantity 377
introduction：A rack is a special gear with teeth distributed on a bar
2018-08-18 Reading quantity 496
introduction：1.superheating frominaThe microstructure overheating after quenching can be seen on the rough edges of imported bearing parts。However, it is necessary to examine the microstructure to determine the level of superheat。ifGCr15Coarse acicular martensite appears in the quenched structure of the steel，It is quenched superheated tissue。The reason may be that the quenching heating temperature is too high or the heating and holding time is too long；It may also be due to the severe carbide in the original tissue，The low carbon region between the two zones is composed of martensitic acicular thickness，The formed parts overheat。The residual austenite in superheated tissue increases，Dimensional stability drop。Overheating of the tissue due to quenching，The crystal of steel is thick，It will cause the toughness of the parts to fall，The impact resistance is reduced，Bearing life is also reduced。Overheating is so severe that a quenching crack may form。
2018-08-18 Reading quantity 331
introduction：The coupling is composed of the inner ring with the same number of teeth and the flange half coupling with the outer teeth。The external teeth are divided into straight teeth and drum teeth，The so-called drum teeth means that the outer teeth are made into spherical surfaces，The spherical center is on the axis of the gear，The side clearance of teeth is larger than that of ordinary gears，The drum-tooth coupling allows for large angular displacement(Relative to the straight tooth coupling)，Can improve the contact conditions of teeth，Improve the ability to transmit torque，Extend service life。
2018-08-17 Reading quantity 438
introduction：Tapered roller bearing commonly used materials：The material of the rolling element and the inner and outer ring requires high hardness and contact fatigue strength、Good wear resistance and impact toughness。Generally made of chrome-containing alloy steel，Commonly used materials areGCr15、GCr15SiMn、GCr6、GCr9Etc.，The hardness can reach after heat treatmentHRC61-65。Cages are generally made of low carbon steel plates，High-speed bearings are mostly made of non-ferrous metals(brassiness)Or plastic cages。 The seal prevents the loss of lubricant and the entry of dirtSKFTapered roller bearings，Thus maintainSKFThe lubrication and cleanliness of tapered roller bearings are conducive to achieving a long life，But also consider the simplicity of the sealing structure、expense、Seal effectiveness and expiration date，According to environmental conditions and requirementsSKFTapered roller bearing life to be reasonably selected，Also note that seals are used properly，Can bring great benefits；Improper use of seals，It has little effe
2018-08-17 Reading quantity 374
introduction：Linear guide is also called line rail、Slide rail、Linear guide、Linear slide，Used for linear reciprocating motion，Has a higher load rating than linear bearings， Together can bear a certain amount of torque，High precision linear motion can be achieved under high load。In the mainland called linear guide，Taiwan is generally called linear guide rail，Linear slide。
2018-08-17 Reading quantity 392
introduction：Needle roller bearing(needlebearing)A roller bearing with a cylindrical roller，Relative to its diameter，The roller is thin and long。This roller is called a needle roller。Although it has a smaller cross-section，The bearing still has a high load acceptance capacity，Needle roller bearings are fitted with long thin rollers（Roller diameterD≤5mm，L/D≥2.5，LIs the length of the roller），Thus the radial structure is compact，Its inner diameter and load capacity are the same as other types of bearings，Small outside diameter，It is especially suitable for bearing results with limited radial mounting scale。
2018-08-16 Reading quantity 229
introduction：Yintai rail is also calledPMIGuideway orAMTrail，The steel seal of the Intime guide rail is printed on the side of the slide block，In allMSAHigh assembly series，,MSBLow assembly series,MSCandMSDmicroseries,SMERoller series and other series，Dimensions close to the upper silver rail，But block The color is popular silver black。Intime guide rails have interchangeable performance，You can change the slider or guide rail or even the whole linear guide。Standard models that can replace all brands of rails，Yintai guideway is another emerging product in the mainland market，Mainly used for machine tools，Robotic arm，Welding machinery，Handling machinery，Automation equipment and other linear transmission machinery。Yintai guide slide block is also divided into square type and flange type，Square type and flange type are also standard and lengthened，Short slider category。Preloading generally has light preloadingFC，Intermediate precompressionF0，repreloadF1，Slide rail types are divided into countersunk holesRAnd threaded passT，
2018-08-16 Reading quantity 449
introduction：Three phase solid state relay price Three-phase solid-state relays are often used in physics，Of course，In terms of everyday life，The probability of using a three-phase solid-state relay is also relatively high。Strictly speaking，A three-phase solid-state relay is an electronic switch，The switch is contactless on - off，So its widely used in many ways。The following prices are not given for three-phase solid state relays only given Knowledge of the characteristics of solid state relays。The price of three-phase solid-state relays is determined according to the model of solid-state relays，If you want to make an inquiry, you can visit the home page of our website, Fengye Mall，Hope to help you。
2018-08-15 Reading quantity 207
introduction：Low-voltage circuit breakers are widely used in building low-voltage distribution systems，It is a protective electrical component，With open circuit protection、Overload protection、Control and isolation functions，Suitable for industrial and civil building terminal low-voltage distribution system。The low-voltage circuit breaker is improperly designed in the distribution system，Guihui Ying The normal operation of the power supply circuit。therefore，When designing a low-voltage distribution system，Attention should be paid to the details of the selectivity and cascade protection of low-voltage circuit breakers。 Low voltage circuit breaker selectivity。To ensure the reliability of low-voltage power distribution system，The selectivity of low voltage circuit breaker has become an important content in the design of terminal low voltage distribution system。
2018-08-15 Reading quantity 335
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