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introduction： Experience is what we all need，Experience is also precious to us，No matter what kind of experience is rare, you know，For observationIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]Quality experience is even harder to come by，We all knowIKOBearing price[IKOshaft
2015-02-16 Reading quantity 1552
introduction： Standard number Standard Chinese name Standard English name SY/T5148-1999 Pneumatic element one-way throttle valve for oil drilling and production equipment GB/T8100-1987 plate-type
2015-02-16 Reading quantity 2919
introduction：In device diagnosis，Vibration measurement and diagnosis is one of the effective methods in common use，Generally, the measured vibration level is in a certain range of the standard to judge the operating state of the equipment。The current comparative authoritative diagnostic vibration measurement standard is by the International Organization for Standardization(ISO)established，The relevant criteria for axial vibration areISO7919-3，The relevant standards of shell vibration areISO10816-3，The national standard of our country is also made with reference to this standard。inISO7919-3In standard，The magnitude of axial vibration is divided into four levels，According to the rotational speed after conversion is as follows： Rotational speedr/min
2015-02-16 Reading quantity 1566
introduction：Magnetic 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 is a form of supporting load or suspension rotor by magnetic field force。This bearing has developed rapidly in recent years，Especially at high speed、Low friction、high(low)Under warm and vacuum conditions
2015-02-16 Reading quantity 1458
introduction：IKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]In the use of rolling bearings due to their own quality and external conditions，Its carrying capacity，The rotation accuracy and anti-friction performance will change，In fact, anything in use will reduce the life。 But heres what were saying，When the performance index of plastic bearings is lower than the use
2015-02-16 Reading quantity 1559
introduction： pneumatically﹑electricity﹑Principles such as optics and the photoelectric effect convert the measured length into the pressure or flow of air﹑Physical quantities such as electricity and light intensity﹐A measuring element to obtain measurement information﹐Used in some length measuring tools。Length sensor(Hereinafter referred to as sensor)It is mainly composed of sensing element and conversion element。The conversion element precisely converts the measured length sensed by the sensing element into other physical quantities that are convenient for amplification and processing。 Pneumatic sensor Convert the measured length to air pressure
2015-02-16 Reading quantity 2877
introduction：IKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]Abrasive wear refers to the wear caused by the external hard particles or hard foreign bodies or abrasive chips on the metal surface pushed into the working surface of the imported bearing and the relative movement of the contact surface，Often causes furrowed abrasions on the bearing working surface。Hard particles or foreign objects may come from inside the main engine or from the main engine system
2015-02-16 Reading quantity 1546
introduction：Materials used for molding in sand casting。Molding sand is generally made of casting sand﹑Molding materials such as molding sand binder and additives are mixed in a certain proportion﹐Silica sand naturally containing clay can also be used。Molding sand plays an important role in foundry production﹐The casting waste caused by the poor quality of molding sand accounts for about the total casting waste30～50％。The usual requirements for molding sand are﹕①High strength and thermal stability﹐To withstand various external forces and high temperatures。②Good liquidity﹐That is, the ability of sand to move between sand particles under the action of external force or its own gravity。③Certain plasticity﹐That is, molding sand deforms under the action of external forces﹐Dangwai
2015-02-16 Reading quantity 2800
introduction： Grease grease grease grease grease grease method、Fat cup method、There are four kinds of fat gun method and concentrated fat feeding method。 (1)smudging Manual application should not be done with bare hands but with tools。The amount of fat added should meet the requirements in the previous section，Grease does cover all bearings that need lubrication[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。]surface。in
2015-02-16 Reading quantity 1556
introduction：Manual forklift exhaust gas purifier The internal combustion manual forklift is used indoors because of poor ventilation，It is necessary to install the exhaust gas purifier to purify the toxic irritant gases and particles in the exhaust gas that are harmful to the human body。The internal combustion forklift uses gasoline，Diesel oil，LPGorCNGAs fuel。The main harmful substances discharged areHC,CO,NOxSum particulate matter（Black smoke）。The general structure of forklift exhaust purifier is a metal honeycomb carrier coated with precious metal catalyst。It works when the high-temperature exhaust passes through the purifier，HC,CO The particles react chemically with oxygen under the action of catalyst and high temperature
2015-02-16 Reading quantity 2796
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