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introduction：1）The assembled die，Its closing height should meet the design requirements。 2）After the die handle is loaded into the upper die seat，The vertical error of the axis line to the plane of the upper die seat，In the total length range is not greater than0.05mm。 3）After the guide post and guide sleeve are assembled，The axis line shall be perpendicular to the bottom plane of the lower die seat and the upper plane of the upper die seat respectively。 4）The upper plane of the upper die seat should be parallel to the bottom plane of the lower die seat。 5）The matching gap value of each pair of guide column and guide sleeve of the loading mold holder shall meet the specified requirements。 6）The assembled mold holder，The upper die seat is along the guide post、Downward movement should be smooth，non-retardation。 7）loading
2015-01-06 Reading quantity 1599
introduction：SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Now it is also widely used，But there are more problems than standard bearings，Especially in the choice of bearing type。For general machine tools,The life of the spindle assembly mainly refers to its service life to maintain spindle accuracy,therefore
2015-01-06 Reading quantity 1721
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。]Package summary：Bearing packaging internal packaging External packaging bearing manufacturing completed inspection qualified cleaning anti-rust treatment into the packaging to achieve waterproof, moisture-proof and dustproof impact maintenance bearing quality accuracy easy to use sales purpose bearing packaging anti-rust is divided into anti-rust packaging anti-rust suitable for mass delivery of the same subscribers short-term
2015-01-06 Reading quantity 1615
introduction：Hydraulic excavator terminology GB/T6572.1-1997 Mechanical terms for excavators GB/T6572.2-1986 Hydraulic excavator Test method GB/T7586-1996 Hydraulic excavator sort GB/T9139.1-1998 Hydraulic excavator Technical condition GB/T9139.2-1996 Hydraulic excavator Structure and performance GB/T9140-1996 Hydraulic excavator Test method for structural strength GB/T9141-1988 Hydraulic excavation
2015-01-06 Reading quantity 2830
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 fit and clearance due to ball screw bearings are both according to high precision bearing requirements，And according to high temperature bearing requirements，So when considering its fit and clearance，There are two points to consider： （1）The scale from normal temperature to high temperature
2015-01-06 Reading quantity 1625
introduction：1、Comply with casting equipment general operating procedures。 2、And you have to do it before you go to work： a、 Check that the position of the travel switch and bump on the device is correct，If not correct，Must adjust。 b、 Power on，Open the compressed air valve，Use the manual method first，The point running test of each mechanism is carried out one by one，And then use the automatic method，Run a cycle test，Just make sure everythings okay，Before production can proceed。 3、It must also be observed at work： a、 After the equipment is turned on，When a loop is not complete，No mid-course electrical adjustments are allowed，Avoid misoperation，Cause equipment personal accident；
2015-01-06 Reading quantity 2844
introduction：Water pump shaft with 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 manufacturing is usually through forging、Heat treatment、turning、Grinding and assembly and other processing processes。The rationality of each processing technology、advancement、Stability also affects the life of the bearing。The heat treatment and grinding processes that affect the quality of the finished bearing，Often with bearing failure
2015-01-06 Reading quantity 1473
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。]This is called preventive maintenance or planned maintenance：INABearing equipment after a certain period after turning cloudy skies，Periodic replacement。This method of preventive maintenance is still one that has been performed to date by a large number of plants。The most obvious drawback is，Preventive maintenance，Replacement and maintenance
2015-01-06 Reading quantity 1555
introduction：influenceSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]There can be many factors in service life，Use factors and intrinsic factors can be further explained。 The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。On the basis ofS
2015-01-06 Reading quantity 1569
introduction： A machine tool attachment that uses a chuck or a center and dial to hold the work piece and turn it around and index it。The dividing head is mainly used for milling machines﹐It is also commonly used in drilling machines and surface grinders﹐It can also be placed on the platform for the fitter to mark。There are two main categories of indexing head: universal indexing head and credit indexing head。 Universal dividing head According to the indexing method and function can be divided into 3Kind of。①Universal dividing head﹕Most widely used。The spindle can be tilted at any Angle between horizontal and vertical directions(See picture Universal dividing head)。Indexing mechanism consists of indexing plates and
2015-01-06 Reading quantity 2814
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