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introduction：The function of this type of valve is to allow the medium to flow in only one direction，And it prevents directional flow。Usually the valve works automatically，Under the pressure of a fluid flowing in one direction，Disc open；When the fluid flows in the opposite direction，The valve seat is acted upon by fluid pressure and the self-receding disc of the disc，Thus cutting off the flow。The check valve belongs to this type of valve，The utility model includes a swing check valve and a lift check valve。Swing check valves have a hinged mechanism，There is also a door-like disc that rests freely against the sloped seat surface。To ensure that the disc reaches the proper position on the seat surface each time，Disc design
2014-12-21 Reading quantity 2985
introduction：Automobile covering is one of the most important components of automobile products，It is generally manufactured by stamping process through large molds。Body coverings require a smooth surface，No wrinkles allowed、scratch、Surface defects such as brushed hair，Adequate rigidity and dimensional stability are required。These are closely related to the mechanics of the plate and shell in the process of processing，The mechanical problems in the forming process are very complicated，Only by using numerical techniques can the problem be simplified。 one、introduction At present, the forming process of automobile covering parts mainly relies on the traditional experience design to develop the stamping process、Development correlation mode
2014-12-21 Reading quantity 3009
introduction：The steel collar wire ring is the key equipment in the winding part of ring spinning frame，To reduce yarn hairiness，Lower yarn breakage，Extend the collar exchange cycle，Reduce production costs，Our company2001The year begins in January20Bearings were tested on the platform[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。]Steel collar。We have a bearing[bearing:bearing（“Be
2014-12-21 Reading quantity 1684
introduction： first、The structure design is reasonable and advanced at the same time，There will be longerSKFImported 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。]Life span。Bearings are generally manufactured by 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。Which affects the finished productSKFImported bearing[Imported bearing:Simply say imported bearing
2014-12-21 Reading quantity 1604
introduction：recently，By Nanjing High precision transmission equipment Manufacturing Group Co., LTD（Hereinafter referred to as：South high tooth）Subsidiary Nanjing High precision Gear Group Co., Ltd. developed a modelMFYT4250、Rated power is4250kWThe central drive mill reducer is delivered successfully，The reducer will be installed in BrazilMarabaOn a cement mill line，Be used forφ4.6m×14mDeceleration drive of cement pipe mill。 South high teeth export to BrazilMaraba 4250kWCenter drive mill reducer MFYT4250Adopt power two-stage shunt、Three-stage reduction、Concentric transmission structure，
2014-12-21 Reading quantity 2887
introduction：Ti-al base alloy is an ideal high temperature lightweight structural material，It is expected to be widely used in hot end components in aerospace and automotive fields。However, due to the complex structure of the parts themselves，Room temperature strength of Ti-Al base alloy、High hardness，Therefore, the use of traditional machining technology is bound to make its cost rise significantly。In recent years, low pressure vacuum casting has been adopted abroad（CLV）Method and permanent die casting method，The filling and filling problems of titanium-aluminum base alloy castings are solved。High temperature structural parts such as impeller and compressor valve were cast，The test shows that these castings have good performance，And its cost is much lower than that of deformed alloys。In addressing the following key
2014-12-21 Reading quantity 2932
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。]knowledge 1、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 the power transmission process
2014-12-21 Reading quantity 1731
introduction：Earth2OThe company is located in the state of PennsylvaniaCulverThe city，They go from1991The company began to produce single-use bottled water from high-quality groundwater resources。The company is in...1996A rotary production line and a rotary production line were added5Gallon loading line。Since then，It adds another one1Gallon line and a retail linePETOperation line，Used to produce a capacity of12、16.9、20and24In an ounce bottle，and1Liter sum1.5Litre packaging bottles，Bottling speed per minute300bottle。These retail products were originally packaged in corrugated cartons
2014-12-21 Reading quantity 3013
introduction：Heat treatment processes generally include heating、Keep warm、Three cooling processes，Sometimes there are only two processes: heating and cooling。These processes are interconnected，uninterruptible。 Heating is one of the important processes of heat treatment。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。]There are many heating methods for steel heat treatment，Charcoal and coal were first used as heat sources，
2014-12-20 Reading quantity 1531
introduction：A large number of automotive interior parts are injection molded by ordinary methods。adoptPgamThe company developed a new process of die laminating to make automotive interior parts，Can proceed simultaneously“Cover the fabric over the piece”Process of，Greatly improve the production efficiency。 According to thePgamAdvanced Technologies is an operating company located in North America(Located in Auburn Hills, Michigan)introduce，The industrial control system developed by the company is being used by Volkswagen for injection molding of the interior trim of its Golf models，And the appearance of the car interior parts produced is very beautiful。 PgamThe innovation of the company is mainly reflected in him
2014-12-20 Reading quantity 2882
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