introduction:In useNSKAligning ball bearings[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。]During the process, it is easy to see the phenomenon of temperature rise。whenNSKAligning ball bearing temperature rises,First determine whether the operation is wrong,If indeed raised,The following should be done: 1.Check cooling water pressure,Water flow and piping system is normal。If the water is low
2015-01-07 Reading quantity 1548
introduction: Incorrect removal of shakerFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Easily lead toFAGMedium and coarse internal injury,Serious directly lead to bearing scrap,So remove the shakerFAGBe extra careful when importing bearings,The shaft must be supported when disassembled,Otherwise, the consequences will be serious,It is best for practitioners to learn some knowledge of professional disassembly shaker。 first、Vibrating screenFAGbearing[FAGshaft
2015-01-07 Reading quantity 1512
introduction:CN2681894Y The position adjusting device for the inking roll of the offset press comprises a position adjusting part and an operating mechanism。The position adjustment is fixed on the spindle of the inking roller,And contact with the reference piece located on the plate roller shaft,The operating mechanism is arranged at one end of the inking roller rotating shaft,Located on the outside of the offset press body。The position adjusting part is the adjusting CAM,Its radius varies uniformly with Angle,The radius of the minimum radius is the same as that of the inking roller,It has the largest radius、The center and radius of the base circle are at least in a straight line,The circumferential surface is in contact with the positioning disc located on the plate rotating shaft。The operating mechanism also includes a locking member、Adjust handwheel and support seat,The lock is set
2015-01-07 Reading quantity 2912
introduction: 1 Overview of the rain room Automobile rain test is a kind of artificial environment experiment method,It is used to test the waterproof performance of cars,Simulate the impact of natural rainfall or dripping environmental factors on the car under the conditions of use。The research and application of rain test methods have been developed for many years。As early as70Era French aviation standard、Both the United States Military standard and the British military standard officially provide for artificial rain、Clauses on rainstorms and water protection。Also in our country1990Make provision:GB/T 12480-90 Test method for waterproof tightness of passenger cars。
2015-01-07 Reading quantity 2895
introduction: Use a pair of shaper cutter to press the forming method(See gear machining)coarse﹑Gear machine for finishing straight bevel gear or helical bevel gear teeth。Straight bevel gear planer can process diameters as small as5millimeter﹑The module is...0.5millimeter﹐So large that the diameter is900millimeter﹑The module is... 20Millimetre piece。Processing accuracy is generally7level(JB180-60)﹐Suitable for small and medium batch production。Diameter greater than900 Millimetre straight bevel gears are machined on a shaper machine which is machined by the die method﹐The maximum machining diameter can be reached5000milli
2015-01-07 Reading quantity 2906
introduction:Chinas chemical valve market is divided into new、Expansion project market;Old plant maintenance、Renovation project market。Judging from these two markets,The supply of ordinary valve products exceeds demand,secondly,Companies are competing with each other,Disorderly competition,Fake and inferior……,The market is very irregular,Lead to some valve manufacturers in the fierce competition,Substantial losses for years。Judging from the demand in these two markets,With the development and improvement of market economy,Especially the progressive World Trade Organization(WTO),Its market is changing more and more,Enterprises are increasingly influenced by the market,The demand for market products is getting higher and higher,On product development、Production cycle
2015-01-07 Reading quantity 2812
introduction: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。]The friction mode of the bearing is changed,Use rolling friction,This method more effectively reduces the friction between the bearing surfaces,effective
2015-01-07 Reading quantity 1566
introduction: one、introduction CNC machining is a rate、High precision、Automatic processing method with high flexibility,Numerical control machining technology can effectively solve the complex、precision、Machining problem of small batch variable parts,Fully adapt to the needs of modern production。It is...CAD/CAMThe processing execution unit,Its modern digital、The basic and key technology of flexible production and processing technology。 Faced with an increasing number of complex shapes and、High precision processing,More and more numerical control programming techniques have been proposed
2015-01-07 Reading quantity 2806
introduction: The first4speak Electrical maintenance technology of CNC machine tools(Under the) Kaipu Mechatronics Engineering Co., LTD (Peking 100011) Liu Yinting 2.Fault investigation and analysis This is the first stage of troubleshooting,Its a very critical stage,Mainly the following work should be done: ①Inquiry survey When receiving the information that the machine site has a fault requiring removal,The operator should first be required to maintain the site as much as possible Fault state,Do no processing,This is conducive to rapid and accurate analysis of the cause of the failure。Also carefully ask for fault indications、Fault representation and fault generated back
2015-01-07 Reading quantity 2891
introduction:Mold is an important process foundation of manufacturing industry,In our country,Mold manufacturing belongs to the special equipment manufacturing industry。Although China began to manufacture and use molds very early,But no industry has been formed for a long time。until20century80Late epoch,Chinas mold industry has entered the fast lane of development。Recent years,Not only state-owned mold enterprises have developed greatly,Foreign-funded enterprise、Towns and villages(entity)The development of mold enterprises is also quite rapid。 Although Chinas mold industry is developing rapidly,But compare that to demand,Clearly in short supply,Its main gap is concentrated in precision、large-scale、complexity、Long life mold field。Due to the precision in the mold、Life span
2015-01-07 Reading quantity 2877