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introduction： 1．Width size deviation in large Due to the deviation of width dimension beyond the process requirements should be judged as waste（The width size is too small in actual production，Have to be scrapped，Large width size，It can be repaired and processed into qualified products）。Causes of waste products，It is mainly improper operation，If the instrument is not right，stopwatch，The feed amount is too large or the feed is too fierce，This will produce this process waste。The other case is that the operator grinds the non-reference end face according to the process requirements，And then according to the process requirements after grinding the benchmark end face，The ferrule has reached the required size，But the ends are still there：“Black skin”exist，This should be condemned as waste。The junk
2014-12-28 Reading quantity 1477
introduction：When programming，It is very important to choose the CNC tool correctly。The general requirement for CNC cutting tools is easy to install and adjust、Good rigidity、High precision、Good durability，On this basis, the machinability of the workpiece material is considered comprehensively，The processing capacity of the machine tool，Types of CNC machining processes，Cutting amount and many factors related to the working range of machine tools and CNC devices。 1．Factors affecting the selection of CNC tools When selecting the type and specification of the tool，The following factors are mainly considered： （1）Production nature here refers to the batch size of the part，Mainly from processing into
2014-12-28 Reading quantity 2804
introduction： With regard toSKFRolling 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。]And 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，To reduce power
2014-12-28 Reading quantity 1452
introduction： Apply： Applied to juice，Aseptic packaging of liquid foods such as fruit purees and jams，Room temperature，The product can be stored for more than one year，It can save the cost and risk of low-temperature refrigerated transportation。 Working principle： The aseptic filling machine is directly connected to the aseptic processing line，The product can be filled in sterile bags，Aseptic bag is aluminum-plastic composite multi-layer bag，It can effectively isolate sunlight and oxygen，The sterile bag should be placed in a protective box or a large bucket，Can be transported long distances。 The filling chamber of the aseptic filling machine is sterile，Aseptic bag
2014-12-28 Reading quantity 2799
introduction： The post-designation in the supplementary designation is used to describe the 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。]Some special structure，Placed in 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 machinery in the shaft
2014-12-28 Reading quantity 1458
introduction：http://www.hljjsj.cn When the new reducer is used，hutorium300Hours later，New oil is needed，Every subsequent use2500The oil needs to be changed every hour，However, the quality of the oil should still be checked regularly during use，If the oil has impurities，aging，metamorphism，Must be replaced at any time。 The reducer should use a fixed brand、Number of gear oil，Should not be different brands、Number or different types of oil used in a mixture。During the oil change，The inside of the reducer should be cleaned first，Refill with new oil。 During use，When the oil temperature is found too high（exceed80℃above）when
2014-12-28 Reading quantity 2825
introduction：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 common quality defects of parts after heat treatment are：Quenching microstructure overheating、underheating、Quenching crack、Insufficient hardness、Heat treatment deformation、Surface decarburization、Soft spot scheduling。 1.superheating{TodayHot} Slave bearing[bearing:bearing（“Bearing”，Japan
2014-12-28 Reading quantity 1449
introduction： Polishing of plastic mold With the spread of plastic products widely used，Such as daily chemical supplies and beverage packaging containers，The need for appearance often requires the surface of the plastic mold cavity to reach the degree of mirror polishing。And the production of optical lenses、Molds such as laser discs require very high surface roughness，Therefore, the requirements for polishing are also extremely high。Polishing not only increases the beauty of the workpiece，And it can improve the corrosion resistance of the material surface、Abrasion resistance，It can also make the mold have other advantages，Such as making plastic products easy to demoulding，Reduce production injection cycle, etc。Therefore, polishing is a very important process in the process of making plastic molds。
2014-12-28 Reading quantity 2806
introduction：Shaft parts of machine tools，Especially the main shaft，Generally with thrust 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。]Fit together，And spin at a very high speed，Sometimes it generates a lot of heat。If this phenomenon is not eliminated in time，Will result in angular contact with ball bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor
2014-12-28 Reading quantity 1445
introduction：At present，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。]It is widely used in mechanical supports。It is in the guarantee 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 are generated on the shaft
2014-12-28 Reading quantity 1473
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