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introduction：Under normal circumstances，To judge the removed 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。]Normal whether to use，Check the bearing after washing。Check the raceway surface、Rolling surface、State of mating surface、The wear condition of the cage、The increase of bearing clearance and the damage unrelated to the decrease of dimensional accuracy，abnormal。Non-separable small ball shaft
2015-04-13 Reading quantity 1447
introduction：inKOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process，The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]In the process of use，Grease plays a crucial role，If you use stale grease，Not only does it not work as well as it should，It will also damage imported bearings，Reduce its service life。So how to detect bearing lubrication
2015-04-13 Reading quantity 1547
introduction：According to the use of parts and use conditions and environmental conditions to select the size、precision，fittimkenImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]It is the premise of ensuring bearing life and reliability。 1、Site of use：Tapered roller bearings are suitable for bearing combined radial and axial loads mainly under radial loads，Usually in two setstimkenImported bearing[Imported bearing:Simply say imported bearing generation
2015-04-13 Reading quantity 1535
introduction：Clearing time（points/time） Iron pellet consumption（kilogram/Tons of） casting iron a 3-10 5-10 casting steel a 10-20 10-20 forging a 4-8 8-15 raw production The rate of （600-1500）kilogram/Hour (s) Maximum casting weight 15kilogram Maximum casting length 400millimeter 1、Comply with casting equipment general operating procedures。 2、And you have to do it before you go to work： a、Check the blades of the throwing head、Directional bushing、Wear condition of wearing parts such as distribution wheel and drum inner guard plate，If severe wear and tear should inform the maintenance personnel more
2015-04-13 Reading quantity 2796
introduction：Act asFPCA very important station in the latter stage，The punching station is more important and the mold is more important，Cause mold design、Improper production often occurs，Thus affecting the quality、Affect the schedule、Affect the delivery date。 In my opinionPFCMold design should pay attention to the following points: ①Mold steel selection ②Mold factory production technology level ③Mold structure design ④The number of mold holes ⑤Mold positioningPINThe layout of ⑥The pre-expansion and pre-contraction of the mold 1.Mold steel selection Current market
2015-04-13 Reading quantity 2785
introduction： Liquified air﹑rectifying﹑Eventually it separates into oxygen﹑Gas separation equipment for nitrogen and other useful gases﹐Air separation equipment for short。Its minimum operating temperature is 77K。Air is a mixture of gases﹐The composition of dry air is shown in the table1 The composition of dry air。 Brief history Air used to be called“Permanent gas”。to19End of Century﹐It has been found that air can liquefy at very low temperatures﹐Coinduced oxygen﹑Nitrogen has different boiling points﹐Oxygen and nitrogen can be separated from liquefied air。The first commercially available oxygen generator1903Made per year﹐It was originally used only for gas welding and cutting of metals。30age
2015-04-13 Reading quantity 2778
introduction：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。]The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。Bearing mounting、Use、maintenance、Technical requirements for maintenance，The load on the running bearing、Rotational speed、Operating temperature、Vibration、Noise and lubrication conditions are monitored and adjusted
2015-04-13 Reading quantity 1538
introduction：cuodao file file There are many fine teeth on the surface、A hand tool for filing and smoothing work pieces。The application of the file was very early，The oldest file that has been found dates from BC1500Egyptian bronze rasp。Modern files are generally rolled with carbon steel、forge、anneal、grinding、It is processed by cutting teeth and quenching。There are many varieties of it。①Divided by use：Common fitter file，For general filing processing；Wood rasp，Used for filing wood、Soft materials such as leather；Plastic file（Mixed file），Used for filing small and fine metal parts；File for sharpening woodworking saws;specially
2015-04-13 Reading quantity 2778
introduction： 1 Impact 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。]Material factor of life Early failure forms of rolling bearings，Mainly ruptured、Plastic deformation、wear、Corrosion and fatigue，Under normal conditions it is mainly contact fatigue。Failure of bearing parts in addition to service conditions，Mainly by the hardness of steel、intensity、toughness、
2015-04-13 Reading quantity 1439
introduction： KOYObearing[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 use of machine tools is mainly used in the following three parts：Principal axis、Ball screw and general drive shaft。 Principal axisKOYOBearings are used as basic parts of machine tools，Its performance directly affects the speed of the machine tool、Turning accuracy、rigidity、Antiflutter vibration
2015-04-13 Reading quantity 1650
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