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introduction：With the development of the global economy，The new technological revolution continues to make new progress and breakthroughs，The rapid development of technology has become an important factor in promoting world economic growth。The continuous development of market economy，Promote industrial products to more and more varieties、In small quantities、High quality、The direction of low-cost development，In order to maintain and strengthen the competitiveness of products in the market，Product development cycle、Production cycles are getting shorter，So the key process equipment for manufacturing various products—Mold requirements are becoming more and more demanding。 On the one hand, enterprises pursue economies of scale，Make the mold to speed up、precision、Long life direction
2015-04-25 Reading quantity 2797
introduction： KOYOKnuckle 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 internal factors of failure mainly refer to the structural design、The manufacturing process and material quality are the three major factors that determine the quality of bearings。 The main reason of bearing fracture failure is defect and overload。When the applied load exceeds the material strength limit
2015-04-25 Reading quantity 1567
introduction：Just runningIKObearing[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。]Noise from the raceway，It disappears as the speed increases。Running some times the oil-free bearing also makes noise, which may be because the bearing lubrication and installation are not done well。 Impact sound of rolling element and its control method Larger type of ballIKObearing[IKObearing
2015-04-25 Reading quantity 1585
introduction：In the silk spinning system，There is a lot of falling down from the three carding machine，Accounting for approximately the weight of the feeding head comb40%～50%。The length of the falling fibers is only25～45mmaround，The uniformity is poor，High impurity content。Noil silk spinning system is suitable for such fiber properties of the spinning system。The process sequence is：Opening scutching─→Mix and moisten─→carding─→spinning。 1. Open cleaning Roil contains bits of pupa、Spongy knot、Grass clippings and other mainly impurities and knots，It must be removed as much as possible，therefore，The droppings must be torn loose，To facilitate the removal of impurities and combing。The work is done by a cotton opener。
2015-04-25 Reading quantity 2838
introduction： Double row angular contact 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。]It is characterized by the joint load that can withstand both radial and axial loads，Limit the axial displacement of both sides of the shaft。 Compared with two-way thrust ball bearings，This bearing has a higher limit speed，The contact Angle is32°，Good rigidity，Can withstand overturning moment
2015-04-25 Reading quantity 1463
introduction：So thatINAbearing[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。]Give full play to and maintain its due performance for a long time，Regular maintenance must be done(Periodic inspection) 。Pass proper regular inspections，Detect faults early，Prevent accidents before they happen，It is important to improve productivity and economy。 The roller bearing life is affected
2015-04-25 Reading quantity 1576
introduction： First of all，Some equipment is in useSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]When the clearance problem of its own requirements are particularly strict，If the gap is too large，If its even a little bit bigger，It will be easy to wear out the parts of the equipment，So we have to reduce it
2015-04-25 Reading quantity 1464
introduction： (1)The ore in the cone crusher must be distributed in the middle of the pan，To prevent crusher overload，Wear the lining unevenly；Direct loading of ore into the crushing chamber is not allowed.The correct feeding conditions are：The ore is evenly dispersed in the crushing chamber by the distribution plate,The ore fed should not be above the level of the milling wall. (2)Maximum feed size of the crusher≤85％Feed hole size,Otherwise it will lead to the reduction of crusher output,Damage to some parts of the cone crusher。 (3)Crusher do not start with load，Avoid causing accidents。 (4)Parking time，will
2015-04-25 Reading quantity 1466
introduction： Standard number Standard Chinese name Standard English name JB/T9094-1999 Emergency cut-off valve for liquefied petroleum gas equipment Technical condition HG/T3236-1989
2015-04-25 Reading quantity 2924
introduction： The lost die casting technique is broken down into three steps：White area、Casting and final finishing process。Lost mold casting workers based on the foam molding of polystyrene“White area”The word，and，The final casting quality is measured80~90%Depends on the white process。The white process is bead foaming、Foam forming、String together、Brush coating、drying。Other parts of the technology are also important（In fact，Casting a vanishing mold has no resemblance to a cavity mold）。This article focuses on the lost molding white area process and the role of white area in the production of high quality mass castings。
2015-04-25 Reading quantity 2808
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