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introduction：In order to identify the disassembled thrust 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。]Can use，Be presentNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNS
2015-04-21 Reading quantity 1544
introduction： one）Meet the requirements of working conditions 1．Abrasion resistance When the blank is plastic denaturated in the mold cavity，It flows and slides along the surface of the cavity，Cause intense friction between the surface of the cavity and the billet，Resulting in the mold due to wear and tear failure。Therefore, the wear resistance of the material is the most basic mold、One of the most important properties。 Hardness is the main factor affecting wear resistance。In general，The higher the hardness of the mold parts，The less the wear，The better the wear resistance。In addition，The wear resistance also depends on the type of carbide in the material、quantity、form、Size and distribution are related。 1．Strength and toughness Working conditions of the mold
2015-04-21 Reading quantity 2738
introduction： first、InspectNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]Vibration at work delamination、impression、corrosion
2015-04-21 Reading quantity 1462
introduction：danyuanhua yunshu Unitized transportation unit-load handling Place the material in the shaped storage and transportation equipment，Form a unified specification of unit goods，Material handling machinery and transport vehicles are used for loading and unloading、carry、A mode of transport for stacking and transporting。Unit transport is divided into two categories: pallet transport and container transport。Pallet transport starts20century30age，For handling and transportation within and between enterprises。containerize60The years gained rapid development，It is used for long-distance transportation between enterprises。Unitized transport has
2015-04-21 Reading quantity 2807
introduction：High temperature 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。]The heat treatment process of the ring and the rolling element ensures that the bearing is in150Within the degree，Dimensional stability。For higher operating temperatures，Special heat treatment methods are required。ifIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small
2015-04-21 Reading quantity 1543
introduction：The copendulum rotor makes planetary motion in the pump cavity，A vacuum pump that periodically changes the volume of the studio to achieve air extraction。It is mainly composed of a pump body and a rotor。figure[Trochoidal vacuum pump diagram]The working principle and transmission mechanism of a trochoidal vacuum pump are described。The profile of the rotor is a trochoid，The pump cavity profile is the outer core of the rotor profile。An internal gear on the rotor engages with a pinion fixed to the pump cover。When the axis of rotation rotates,The eccentric wheel drives the inner gear(trochanter)The pump body point is always in contact with the rotor surface，Separate the pump chamber into two studiosAandB。The rotor rotates counterclockwise，Communicates with the exhaust port
2015-04-21 Reading quantity 2807
introduction： Compared with ordinary mechanical parts，FAGImported 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。]Higher precision，Therefore, it should be used with care。 1、Keep bearings and their surroundings clean。 2、Use it carefully：If used carelesslyFAGImported bearing[Imported bearing:Simply put, imported bearing agent refers to engaging in a
2015-04-21 Reading quantity 1471
introduction：one．Indexable tool blade type preparation standard １．Indexable turning tool type representation rules GB／T5343.1，It equivalently adoptsISO5680－1989。It is suitable for indexable external turning tools、Face turning tool、Type programming of anti-shape turning tools and modular tool heads for assembling composite tools。The model number is also composed of a set of letters and numbers arranged in a specified order。 ２．Indexable hole milling cutter type representation rules It is in...ISO7406－1986Formulated on the basis of。It is suitable for indexable face milling cutter、Three-sided blade（slot）Milling cutter
2015-04-21 Reading quantity 2885
introduction： How does the laser rangefinder work？ Laser rangefinders generally use two ways to measure distance：Pulse method and phase method。The pulse method of ranging the process is like this：The laser emitted by the rangefinder is reflected by the measured object and then received by the rangefinder，The rangefinder also records the time of the laser round trip。Half the product of the speed of light and the round trip time，It is the distance between the rangefinder and the object being measured。The accuracy of the pulse method of measuring distance is generally in+/- 1About one meter。In addition，The measuring blind spot of this kind of rangefinder is generally15About one meter。 Application field of laser rangefinder
2015-04-21 Reading quantity 2911
introduction： The finishing of the finished surface using a fine-grained whetstone mounted on the vibrating head(See machining)。Superfinishing is usually arranged after the finishing process﹐Its processing allowance is only a few microns﹐Suitable for processing crankshaft﹑roll﹑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，Used to reduce the coefficient of friction during power transmission and to keep the shaft in
2015-04-21 Reading quantity 2810
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