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introduction： In order to produce hygienic requirements and high quality food，In food processing，In addition to the importance of preventing microbial contamination of raw materials（Primary pollution）outside，It is also necessary to prevent secondary contamination of microorganisms，That is to prevent the manufacture of machinery、Production tools and other microbial contamination，Maintain a clean environment for manufacturing equipment，This is also the most effective way to prevent accidents such as food poisoning。 Hygienic methods for maintaining food processing equipment Cleaning of food processing machines，Preventing food contamination is a very important means to control the growth and reproduction of microorganisms。After the equipment is cleaned, the microorganism is absolutely reduced，while
2015-01-06 Reading quantity 2866
introduction： Finished 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。]No grinding burns and grinding cracks are allowed in the ring，In particular, the taper of the inner ring should not be burned on the matching surface。The ferrule should be fully inspected after pickling，Remove burned products，Severely burned, unable to be repaired or unqualified for repair
2015-01-06 Reading quantity 1494
introduction：duihan surfacing surfacing Wear-resistant coating on the surface of metal parts、Welding method for metal layers resistant to corrosion or other special properties。The surfacing layer can significantly improve the working performance of the workpiece or increase its service life，It can also save precious metal materials，Reduce production costs。The commonly used surfacing materials are various steels、Alloy cast iron、Nickel-based alloy、Cobalt base alloys and copper alloys，And tungsten carbide and appropriate matrix metal composition of composite materials, etc。The surfacing material depends on the wear type of the workpiece during operation、Medium properties and operating temperature to choose。The surfacing welding material can be rolled into wire according to its different processing properties
2015-01-06 Reading quantity 2863
introduction：We commonly use the Internet generally have：56KModemdial-up（Anyone with a phone line can access the Internet），xDSLway（You also need phone lines.），CAbleModemway（Relying on cable TV lines），FTTX LANSurf the Internet（Fiber to the cell or building，Twisted pair cable to home），Wireless network card or3Gway（Use a mobile phone or wireless network card），WLANway（Via wireless router）And so on。 And with the advent of power lines online，It adds an alternative way for you to access the Internet。Although in the last year or two，The battle over the power line
2015-01-06 Reading quantity 2931
introduction： Structural analysis software in predicting injection molded products（Or job）Performance has been used well。But the results can never tell the whole story，Because the mechanical properties of these products are heavily dependent on the molding process。This is the main reason why engineers with knowledge of plastics often supplement their structural analysis work with die filling simulations that give an indication of the effects of forming conditions。 “formerly，The engineers had to do quite a bit of grid and model importing、Export and process work，To synthesize the results of these two different types of simulations，Processing these results is time-consuming and laborious，” Cascad
2015-01-06 Reading quantity 2931
introduction：1.The assembly site should be kept as clean as possible，dust-free。 2.To avoidKOYOThe bearings are stained with dust、Pollutants and moisture—Pollutant pairKOYOBearing operation and service life have adverse effects。 3.Check 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 mating face on the seat hole and shaft：Geometric and dimensional accuracy
2015-01-06 Reading quantity 1591
introduction：Needle roller 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。] A rolling bearing using a needle roller as a rolling element(See picture Structure type of needle roller bearing )。The ratio of length to diameter of the rolling element is greater than 2.5The cylinder is called a needle roller。Needle roller bearings are mainly used in places where the radial size is limited and the load is large﹐Such as the connecting rod bearings of automobiles﹑Piston pin
2015-01-06 Reading quantity 2887
introduction：timkenbearing[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 fault characteristics indicate a serious fault（usual，In case of bearing damage，burn，Sand shelf spallation，raceway，beading）No more than a week old，equipment，Larger capacity，faster，Its shorter time interval。therefore，Actual bearing fault diagnosis，Once found
2015-01-06 Reading quantity 1468
introduction：In die forging，The forging blank is forged into a product with a certain geometry in a first or multiple forging die。For slender forgings（That is, the length size of the forged workpiece is significantly larger than its cross-section size）Pre-redistribution of blank mass is usually included in forging、There are several forging steps such as cross section forming and final forming。In the traditional form forging，The excess material usually becomes the raw edge of the forging，These rough edges need to be removed before final forging。 In recent years，The hot forging forming process of steel has been greatly developed and changed。In addition to new forging dies and forging equipment，forging
2015-01-06 Reading quantity 1545
introduction： FAGbearing[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。]The temperature of，Generally, the temperature outside the bearing surface can be inferred，If the oil hole can be measured directlyFAGInlet bearing outer ring temperature，It is more appropriate。 usual，FAGbearing[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。]The temperature begins to rise slowly as the bearing runs，1-2Arrive in hours
2015-01-06 Reading quantity 1551
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