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introduction： It is increasingly important to check the condition of machines in operation and prepare a thorough inspection plan，In addition toKOYOBearings are the focus of attention，Because its the most important rotating part of any machine，Condition monitoring is an important part of preventive maintenance，Early detectionKOYOBearing damage to avoid dueKOYOEquipment downtime during unplanned maintenance caused by bearing damage。Let me introduce this method of listening to you。 Listen attentively to： Hearing is a common way to identify irregular movements，By example
2014-12-23 Reading quantity 1499
introduction：Reproducing the basis of length measurement“meter”The exact length of，Pass the verification according to the verification system stipulated by the state，Step by step or pass directly to work、Length measuring tools with different accuracy levels，The process of ensuring that the measured values are accurate and consistent。It is one of the main contents of length measurement technology。Chinas length measurement of the quantity value transfer system by the national benchmark、Secondary datum、Work base and measurement standards, etc。National benchmarks refer to reproducibility“meter”outfit，Including the national standard of face length and the national standard of line length。A sub-benchmark is a set of equipment whose accuracy is determined by comparing it with a national benchmark。Working standard
2014-12-23 Reading quantity 2841
introduction：Production line flow： oven→oven→Oil sprayer→Cooling line→Cake unscrambler→Cake testing stand peculiarity： Basic type biscuit production line rear configuration scheme，The cookies are sprayed with oil after they are baked。 The biscuit organizer arranges the biscuits delivered by the cooling conveyor，Make the horizontal delivery of the whole row of biscuits side stacking orderly delivery，Convenient for later inspection and packaging。
2014-12-23 Reading quantity 2795
introduction： Grain, oil and food cereals,oils and foodstuffs Chemical products chemical products Native livestock products native produce &animal by-products Mechanical products machinery products Textiles and silks textiles and silks Instrument products instrumental products Light industrial products ligh
2014-12-23 Reading quantity 2795
introduction：reli guocheng Thermodynamic process thermodynamic process The process by which the state of a thermodynamic system changes under the impetus of certain factors。The characteristics of thermal process are reflected in the process equation，Process equations describe the functional relationships between thermodynamic state parameters that are constrained by a particular process，The relationship of state parameters before and after system change can be obtained。Study thermodynamic processes，Just to derive the equation of the process、The state parameter relation of the final state，And the exchange of work and energy between the system and the outside world。These are thermodynamic processes and thermodynamic cycles analyzed and calculated in thermodynamics
2014-12-23 Reading quantity 2787
introduction： one、Percentage of contraction The factors that affect the shrinkage of thermoplastics are as follows： 1.1Plastic varieties Thermoplastic molding process due to the existence of crystallization of the volume change，Strong internal stress，The residual stress frozen in the plastic parts is large，Strong molecular orientation and other factors，Therefore, compared with thermosetting plastics, the shrinkage rate is larger，Wide shrinkage range、Obvious directivity，In addition to the shrinkage after forming、The shrinkage rate after annealing or humidification treatment is generally larger than that of thermosetting plastics。 1.2When molding, the melt material contacts the outer layer of the cavity surface immediately
2014-12-23 Reading quantity 2798
introduction：Assembly and disassemblyINAbearing[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。]When applying force, you need to pay attention to the following points： (1)The resultant force of the force passes as far as possibleINAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Also can
2014-12-23 Reading quantity 1515
introduction：Computer controlled, reprogrammable, multifunctional operator﹐Also known as industrial robots。It can perform a variety of operations in three dimensions。General industrial robots﹐Such as industrial robots by arms﹑wrist﹑The end effector and the fuselage are composed﹐It has the motor function of multiple degrees of freedom similar to the human upper limb﹐More advanced industrial robots are sentient﹑Intelligent robots that recognize and make decisions。 Development overview Industrial robots appear in20century50age。1954years﹐ColumbianG.C.Deveaux patents robots with memory and repetitive manipulation。1958According to this patent developed the machine
2014-12-23 Reading quantity 2896
introduction： 《Cable line construction and acceptance codeGB50168-92》 Detailed content Click to download，Unzip password：machine365.com Download statement： · All information provided on this site All from the Internet，The copyright of the materials belongs to the author 。 ·
2014-12-23 Reading quantity 2825
introduction：The criteria for judging vary according to mechanical properties and importance, as well as inspection cycles。If any of the following injuries，INAbearing[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。]Not to be reused，Must be replaced。In the use of Mosaic solid lubricated bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2014-12-23 Reading quantity 1459
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