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introduction：The traditional injection molding process can be divided into the filling process which controls the melt inlet speed and the pressure holding process which controls the melt inlet pressure to make the plastic cool and shrink。The inlet velocity of melt in filling process is fixed，As the filling process progresses，The flow resistance of melt in the mold cavity increases gradually，Therefore, the melt inlet pressure is also easy to increase，At the end of filling, the inlet pressure has a high peak。Due to the high pressure in the cavity，It will not only cause melt overflow、Expansion mold and other undesirable phenomena，And it will cause greater internal stress inside the plastic parts，Plastic parts are prone to warping and deformation after demoulding，Make plastic parts shape precision and size
2015-01-08 Reading quantity 2786
introduction：1、Reducer according to the purpose can be divided into general reducer and special reducer two categories，Design of both、Manufacturing and use characteristics vary。20century70－80age，There has been a great development of reducer technology in the world，And closely combined with the development of new technological revolution。 Its main types：Gear reducer；Worm reducer；Gear wheel—Worm reducer；Planetary gear reducer。 2、The general reducer has a helical gear reducer(Includes parallel shaft helical gear reducer、Worm gear reducer、Bevel gear reducer and so on)、Planetary gear reducer、Cycloidal pin wheel reducer、Worm gear reducer、Planetary friction machinery
2015-01-08 Reading quantity 2795
introduction： Linear 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。]Its structure is equipped with a retainer inside the outer ring，The retainer is equipped with multiple steel balls，And in an infinite loop。Both ends of the retainer are fixed with spring retaining rings，A notch window is provided on the side of the straight track where each steel ball is stressed。This part is to roll the loaded steel ball with the shaft
2015-01-08 Reading quantity 1539
introduction： Rolling 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。]It is widely used in equipment，The status of rolling bearing is directly related to the running status of rotating equipment，Especially in continuous large production enterprises，It is widely used in important parts of large rotating equipment，therefore，In actual production, it is important to make condition monitoring and fault diagnosis of rolling bearing well
2015-01-08 Reading quantity 1452
introduction：Abstract】The connotation and characteristics of green manufacturing are analyzed，The process of physical and energy resource consumption is also studied。It points out the way to optimize the utilization of resources and reduce environmental pollution，It is of great significance to the sustainable development strategy of manufacturing industry。 1 introduction With the progress and development of science and technology and production technology，Manufacturing has increasingly become a pillar industry for human wealth creation。But manufacturing increases the consumption of resources，Waste generation，Cause environmental pollution。therefore，How to reduce environmental pollution as much as possible in manufacturing industry is an important aspect of current environmental research。It is against this background，one
2015-01-08 Reading quantity 2784
introduction：When the carbide in the original tissue is small,Because carbides are easy to dissolve into austenite,Therefore, the hardness peak after quenching moves to a lower temperature and appears in a shorter austenitizing time To make the above impactINAbearing[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 material factor of life is at its best,It is first necessary to control the original set of steel before quenching
2015-01-08 Reading quantity 1445
introduction： Technical parameter The name According to/ginseng The number gauge "
2015-01-08 Reading quantity 2740
introduction：1Appearance characteristic Bearing for vibration[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.The diameter of the rolling element is increased，The length of the rolling element is increased。 B.The cage is guided by the outer rim，Reduce the force on the roller。 C.Guide roller with inner rim，Improve roller operation。 D
2015-01-08 Reading quantity 1457
introduction： Main use This equipment is suitable for medicine、Chemical engineering、Food and other industries for granular material drying。 It is suitable for the drying of large particle materials，It is also suitable for drying powdery and viscous materials，Wide drying range。Working principle Air purification、After heating，The exhaust fan enters the container through the perforated plate，Establish fluidization，A large area of gas solid relative flow drying，The water evaporates and is carried away with the exhaust gas，To achieve the purpose of material drying。Main feature Material container adopts cylinder jacking seal、prompt、Easy to operate、reliable。 In bed
2015-01-08 Reading quantity 2794
introduction： Brake pads fail dangerously，The following electromagnetic clutch introduces the reasons for brake friction plate failure。 1、There is air in the friction disc brake system; 2、Brake pedal free travel or brake friction disc clearance is too large，Brake shoe friction plate contact is poor，Heavy wear or oil stains; 3、Brake master cylinder、Wheel cylinder piston and cylinder pipe friction plate wear or strain，The leather bowl is damaged by aging。 4、Friction disc brake oil pressure is insufficient。(Brake master cylinder is out of oil、Brake line rupture、Tubing joint leakage、Oil clogging);
2015-01-08 Reading quantity 2885
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