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introduction： Service life Operating Life The butterfly valve is in use10,000More than，Still able to guarantee when closed"airtight"。 Butterfly valves can operate for more than 10,000 cycles and still provide "bubble tight" shut off. Pressure drop Pressure Drop If the pressure drop is too high，It increases energy expenditure。however，
2015-04-03 Reading quantity 2789
introduction：one、Application of file processing The surface of the workpiece is cut with a file，Make it reach the required shape of the part drawing，Size and surface roughness，This process is called filing，Filing is easy to process，Wide range of work，Mostly used for chipping、After sawing，Filing can be done on the surface of the workpiece、camber、Inner and outer arc、Grooves and other complex surfaces are processed，The highest accuracy of filing is achievedIT7-IT8，The surface roughness can be reachedRa1.6-0.8μm。Can be used to form templates，Mold cavities and parts，Workpiece trimming during machine assembly，It is one of the main operating methods of fitters。
2015-04-03 Reading quantity 2881
introduction：The orientation default setting for an object is the skew graph，However, it can be modified to an isometric diagram or user-defined view。The default rotation center of the model is the model center。Use the following steps to modify this center，Enables it to be located at any point on the screen。Click“view”(View)>“direction”(Orientation)>“redirection”(Reorient)。from“orientation”(Orientation) dialogic“type”(Type) Select from the list“Preferred option”(Preferences)。from“Options”(Options) The ministry of
2015-04-03 Reading quantity 2892
introduction：Enterprises should realize the modernization of equipment management，Advanced equipment management methods and equipment maintenance techniques based on equipment condition monitoring should be actively implemented。Equipment condition monitoring and fault diagnosis technology is the premise of equipment preventive maintenance。Especially heavy industry enterprises，Strong work continuity and high safety and reliability requirements，Promotion through condition monitoring，Can gradually master the pump、Fan size、Working status of the medium device，To prevent the loss of accident shutdown。 one、Current situation of equipment management Front pump、Fan and other large and medium-sized equipment、There are generally two kinds of determination of minor repair cycle：Cumulative or regular maintenance while running the station。The root
2015-04-03 Reading quantity 1534
introduction：pick to :this The article system is introducedMasterCAMSoftware features and application methods，On how to useMasterCAMMechanical design and machining were studied。 crux word : Numerical control machining;MasterCAM ;CAD/CAM 1 introduction with now generation The development of machinery industry，Computer aided design(CAD)And computer aided manufacturing(CAM)Has shown great potential，And widely used in product design and machinery manufacturing，UseCAD/CAMSystem generation
2015-04-03 Reading quantity 2795
introduction：Zhejiang Newspaper Group printing center currently has7articleSSCWeb offset printing line，therein2Strip lining4Paper holder、3Tower sum1Table folding machine，in2000Year-end installation and commissioning，2001years3Officially put into production in October；additional5Strip lining2Paper holder、2Tower sum1Table folding machine，in2003years9Monthly installation and commissioning，2003Put into use by the end of the year。Generally speaking，SSCThe production line is in good use，But its roller rotation structure、Seal and selected bearing[bearing:shaft
2015-04-03 Reading quantity 1446
introduction：Reduction gear，Have small size，High torque transmission features。 RSeries helical gear hard face reducer、KSeries spiral bevel gear reducer、FSeries parallel shaft helical gear reducer、SSeries bevel gear-Spiral reducer，TSeries spiral bevel gear Design and manufacture on the basis of modular combination system，There are numerous motor combinations、Installation form and structure scheme，The gear ratio is graded fine，Meet different operating conditions，Realize mechatronics。 R、K、F、SFour series reducer adopts the modular design principle of unit structure，Greatly reduce the types of parts and inventory，Also greatly shorten the delivery cycle。
2015-04-03 Reading quantity 2800
introduction：1．Thickness tolerance of steel plate Steel plate thickness tolerance deviation refers to the actual thickness of the steel plate exceeds the allowable deviation of the standard，It not only affects parts stamping cracking，Surface wrinkling，Part rebound，It may even cause major mold accidents。This is one of the three factors that affect the success of stamping。 The size of the fluctuation of steel plate thickness tolerance，It actually affects how much pressure the die exerts on the part，The difficulty of metal flow，Thus affecting parts stamping cracking and wrinkling。 2．Surface defect of steel plate By rule，The surface of the hot rolled steel plate shall not have cracks、scab、fold、bubble、Layers and interlayers, etc
2015-04-03 Reading quantity 1526
introduction：Toughness cookie production line can be according to the users site requirements，And the requirements of the cookie process，Arbitrary combination，Can achieve the desired effect label name label name 1 Laminating machine 2
2015-04-03 Reading quantity 2784
introduction： Basic instrumentation standardsGB/T13983-92Basic terms of instrumentation： GB/T15464-95General technical conditions for instrument packaging JB/T5218-91Instrument coordination with color JB/T5471-91Method of designation of knobs for instruments and meters JB/T6182-92Instrument reliability design review JB/T6183-92Specification of instrument reliability requirements and assessment methods JB/T62
2015-04-03 Reading quantity 2894
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