introduction:KOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads,Often without a cage,Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process,The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]Clean before installation。At installation,Special tools should be used to press the auxiliary straight and evenly,Do not strike with a hand hammer,In particular, it is forbidden to knock directly on the rolling mill bearing。When the bearing ring is loosened with the seat hole,Seat holes should be repaired or bearings replaced
2015-03-10 Reading quantity 1453
introduction:(1)Find out about the equipment,To understand the rotation speed of the equipment shaft、Shaft diameter;Equipment manufacturing accuracy and sealing cavity size,The service life of the equipment itself and the position of the equipment in the production process should be considered comprehensively and balanced。 (2)Estimated medium pressure。The seal chamber pressure of the pump is generally not the outlet pressure of the pump,Its lower than the outlet pressure of the pump (3)Find out the sealing medium。Know the status of the sealing medium,Is it a gas or a liquid,Whether the medium contains particles and particle status;Understand the properties of the medium、temperature,In order to rationally select and take the necessary cooling、rinse、Lubrication measure。
2015-03-10 Reading quantity 1537
introduction: Steel material names and definitions: 1、Grains and grain boundaries:The shape of the metal after crystallization is inconsistent、A small crystal with the same internal character arrangement,Called grain。The interface between grains,Called grain boundary。 2、Phase and phase boundary:In metals or alloys,homogenous、Homogeneous components of the same structure and separated from each other by interfaces,Called phase。The interface between phases,Called phase boundary。 3、Solid solution:A solid phase formed by atoms of one metal element dissolved in a crystal of a constituent alloy,Its called a solid solution。Solid solution
2015-03-10 Reading quantity 2874
introduction:Scope of application This machine is especially suitable for processing filter cake materials with large moisture content,Or materials that cannot be dried by other air drying methods,Such as:White carbon black、Copolymer of vinyl acetate and vinyl chloride、Acetate floc、catalyst、C.M.C、CT-1Resin、Calcined plaster、Electrolytic manganese dioxide、Anthraquinone sulfonate, ammonium salt、fluorspar、diatomite、Silica gel catalyst,Bone meal、kaolin、Potassium perchlorate、Ammonium sulfonate drugs、Synthetic resin、Active gluten、Activated clay、Chemical cake、Rutile type titanium dioxide、Sebacic acid、Cupric sulfate、Aluminium sulfate、Sodium sulfate、phosphorus
2015-03-10 Reading quantity 2791
introduction:(one)electroplate Electrolysis is used in the matrix(pretreat)The process of depositing the required covering layer on the surface is called electroplating。Electroplating is a very old traditional technology,Widely used in permanent decoration and protection。Electroplating can be divided into single metal plating,Multilayer combination plating,And alloy plating and so on。There are many factors affecting the quality of coating,Such as:Pretreatment before plating、The method and degree of purification of the plating solution、The rationality of preplating method、Establishment of bath system、Determination of combination and thickness、Process parameter(PHvalue、temperature、Current density)、additive(brightener、Levelling agent、Stress relief agent、Wetting agent、dispersant)、Plating solution
2015-03-10 Reading quantity 1440
introduction: influenceIKObearing[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。]What are the main factors of vibration? IKOBearing design rigidity,elasticity,Quality,The determination of vibration damping parameters,Constitute the operating conditions of the system,To get used to its mechanical vibrations。 Caused by manufacturing and vibration
2015-03-10 Reading quantity 1523
introduction:1. Ethernet IP:This industrial Ethernet uses active switches,It is used to realize the seamless connection between fieldbus and its devices and Ethernet。In addition,Ethernet is a star structure,It is conducive to convenient and simple wiring and maintenance。In its planetary structure,Adoption of communication components,Make it compatibleRockwellThe fieldbus device。whileEthernet IPThe communication model also has its own characteristics:On floors one through four,adoptEthernet 802.3agreement,overadoptTCP/IP,And at the user level,adoptCIPnorm
2015-03-10 Reading quantity 2886
introduction:Tool breakage is not willing to be usedEDMAnd milling molds directly from hard materials is an important issue of concern to mold manufacturers。Accidental tool breakage due to exceeding the tools allowable load conditions is not only a waste of money,It can also damage the process。By consistently loading the tool to its optimum level of load,The mold shop can get the most benefit from its process。however,One of the challenges in this area is the ever-changing material removal rate created by the tool path during milling。The typical cut depth and span is the tool diameter10%The high-speed roughing path,When the tool starts to enter the channel,Material removal rate will reach
2015-03-10 Reading quantity 2785
introduction:In useIKObearing[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。]During the process, it is easy to see the phenomenon of temperature rise。whenIKObearing[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,With unique mechanical equipment to do fine
2015-03-10 Reading quantity 1562
introduction: With the increasing demand for automobile driving safety and intelligent vehicle systems,The demand for sensors in vehicles will increase significantly。According to the survey,2005The annual output value of vehicle sensors is105Hundreds of millions of dollars,Estimated at2010The year will climb to142Hundreds of millions of dollars,Where the average annual growth rate is6.1。In all vehicle sensing components,The average annual growth rate of vehicle safety components is the highest,achieve13.7,These signs show,The need for safety is also the most important driving force in the automotive industry。 So-called sensor,Simply put:They are electrons that can sense changes in the physical state of the external environment
2015-03-10 Reading quantity 2897