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introduction： Steel annealing treatment quenching treatment tempering treatment heating spheroidization hardness （HB）Heating temperature （℃）Heating coefficient （S/mm）First backfire second～Three times tempering temperature （℃）time （h）temperature （℃）time （h）temperature （℃）time （min）Cooling mode temperature （℃）time （min）Cooling modeCG-28102～36604～6241～270110018～25540120empty54012059～62O12Al8604710～7206200
2015-03-04 Reading quantity 2778
introduction： Plastic mold according to the overall functional structure can be divided into﹕Forming system﹐Gating system﹐Exhaust system﹐Cooling system﹐Ejector system, etc one.Gating system﹕ definition﹕A plastic flow channel in a mold from the injector nozzle to the cavity。It is by the mainstream﹑Diversion channel﹑The gate and the hole of cold material are composed。 Some relevant English and Chinese comparisons CAV.NO The number of die socket RUNNER&
2015-03-04 Reading quantity 2880
introduction：A slide on an engineNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]There are many kinds，Both the bushing and the bearing are slidingNSKbearing[NSKbearing:Japanese essence
2015-03-04 Reading quantity 1440
introduction：By heatingFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Or bearing seat，An installation method using thermal expansion to convert a tight fit into a loose fit。It is a common and labor-saving installation method。This method is suitable for large interferenceFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Installation of，Before hot loadingFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring
2015-03-04 Reading quantity 1536
introduction： DWSeries multi-layer belt through-flow dryer is widely used in food、Agricultural and sideline products、Dehydrated vegetable、Traditional Chinese medicinal materials、Aquatic product、Native products、Feed dehydration and drying operations。 This series of dryer has the characteristics of energy saving，Heating through the flow、Stratified air intake、Stage drying at variable temperature、Waste heat recovery and other aspects of the domestic leading level，The main performance indicators have reached the international advanced level in the 1990s。 This series of dryers uses multi-layer mobile stainless steel mesh belt or vibrating plate to spread the processed materials，Hot air flows from top to bottom through the mesh belt and the material layer of the mesh，Uniform heat exchange、
2015-03-04 Reading quantity 2855
introduction： With the development of the chemical industry and peoples concern for the environment、Increased safety awareness，The requirements for chemical pumps are also getting higher and higher，In some cases, absolutely no leakage requirements have been put forward for certain pumps，This demand has promoted the development of shield pump technology。Shield pump because there is no shaft seal，Absolutely no leakage can be achieved，Therefore, the use of chemical equipment has become more and more common。 1 Principle and structure characteristics of shield pump The drive of the ordinary centrifugal pump is to connect the impeller shaft of the pump with the electric shaft through a coupling，Make the impeller work by rotating with the motor，And the shielded pump is a kind of none
2015-03-04 Reading quantity 2893
introduction： Hard to cut metal materials（Hardening state of quenching or precipitation）High manganese steel High strength steel stainless steel superalloy titanium alloy Factors affecting machinability low-alloy High alloy Maraging steel Precipitation hardening type Austenitic type
2015-03-04 Reading quantity 2787
introduction：one、Concept of steel Steel is ingot、Billets or steel are pressed into the shapes we need、Size and properties of materials。 Steel is an essential material for national construction and the realization of the four modernizations，Widely used、Wide variety，Depending on the shape of the section、Steel is generally divided into profiles、board、Pipe and metal products four categories、In order to facilitate the organization of steel production、Order supply and do a good job in operation and management，It is divided into heavy rail、Light rail、Large section steel、Medium section steel、Small section steel、Steel cold formed section steel，High-quality section steel、Wire rod、Medium thickness steel plate、Sheet steel、For electrical purposes
2015-03-04 Reading quantity 2775
introduction：MisslerIts the second largest in FranceCAD/CAMSoftware vendor，It is one of the main competitors in the international market。MisslerThe software company is made up of three FrenchCAD/CAMFrom a merger of software companies：MisslerInformatique、Topcad、andCatalpa。These three companies are in1994Annual merger，The goal is to develop a comprehensive systemCAD/CAMSoftware system：TopSolid。 A comprehensive set ofCAD/CAMSystems can be used in different areas of mechanical engineering（machining、Plastic parts、cutter
2015-03-04 Reading quantity 2785
introduction：one、Working principle of food packaging machine 1)The electrical part of the automatic packaging machine is generally composed of the following： a)The main control circuit is a speed sensorless vector inverter、Programmable controller（PLC）Component control core； b)The temperature control circuit consists of an intelligent temperature control meter、Solid-state relay、Thermocouple components, etc，Precise temperature control，Intuitive display，Easy setting； c)By photoelectric switch、Electromagnetic proximity sensors and other multi-point tracking and detection； two、Fully automatic pillow working principle
2015-03-04 Reading quantity 2779
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