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introduction： Excellent heat resistance：Its melting point exceeds280℃，Thermal deformation temperature exceeds260℃，Long-term use temperature is220-240℃。In the air700℃Degrade in1000℃The inert gas remains40%The weight of，Short-term heat resistance and long-term continuous use of thermal stability are better than all current engineering plastics。Specially modified varieties，The thermal deformation temperature is up to350℃above。 Its own flame retardant：The flame retardancy of polyphenylene sulfide can be achievedUL94-0level，Oxygen index(LOI)>57%。 polybenzene
2015-03-10 Reading quantity 2791
introduction：(1)Scars and their control methods 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。]If the rolling surface is cracked、Indentation or corrosion，There will be periodic vibration and noise like riveting rivets，Its period can be fixed, but most of it has an inevitable corresponding relationship with the speed，The scar will continue in the channel
2015-03-10 Reading quantity 1550
introduction：Adiabatic compression、Isobaric heating、Adiabatic expansion and isobaric cooling 4The process consists of a gas turbine thermodynamic cycle。There have also been gas turbines with constant volume heating cycles，But it is not widely used。 Cyclic process diagram1 [Gas turbine simple cycle（Open type）]Simple cycle for gas turbine。The gas turbine draws air from the atmosphere，In the compressor（compressors）Intermediate compression。The compressed gas enters the gas turbine combustor，Fuel is added here for combustion heating。The heated high-temperature gas enters the gas turbine（Hereinafter referred to as turbine）Work by expansion。The expanded gas is discharged into the atmosphere。
2015-03-10 Reading quantity 2778
introduction： Powder metallurgy is an important process for manufacturing high-tech materials，Sometimes its the only way，Also many、fast、good、Save time to create complex shapes、Advanced metal forming technology for high precision metal parts。therefore，Powder metallurgy industry has developed three major areas，A refractory metal and carbide tool material，The second is permanent magnet material，Especially rare earth permanent magnet materials。These two major types of materials can basically only be produced by powder metallurgy process。The third major area is the combination of material manufacturing and metal formation，Gradually formed special metal forming technology。In order to meet
2015-03-10 Reading quantity 1428
introduction：What is a small print printer The printing machine uses the ink to offset the ink out of the normal cycle route，The ink is directed to the surface of the work object，Use logic to control the position of each ink drop，Usually the ink drop only changes in the vertical direction，The data we want to print must be formed by the movement of the working object，Because its spray ink，No direct contact is required with the surface of the work object，Therefore, the following advantages can be obtained： 1.Take the production of soda and cola for example，Up to a minute1000Bottle or more。2.Data variability due to computer control data，So it can change very easily
2015-03-10 Reading quantity 2895
introduction：1 Furnace gas drying of wood Furnace gas drying of wood refers to the hot gas generated by burning fuel on a stove as a heat source、The mixture of furnace gas and wet air is used as the drying medium，The wood was dried by artificially controlling the medium parameters in the drying room。 1.1 The wood drying method of direct heating by furnace gas is coal、wood/Bamboo waste、Oil or natural gas as fuel，The wood was directly heated with furnace gas as drying medium。Specific methods are：“Yurt type”Drying method、Natural circulation furnace gas drying（Smoke drying）And forced circulation furnace gas drying method。 1.2 Wood drying by indirect heating of furnace gas
2015-03-10 Reading quantity 2782
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。]Use a variety of mechanical equipment，TIMKENImported 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
2015-03-10 Reading quantity 1542
introduction：1、introduction Pure draft beer membrane filtration system of Kingway Beer production Plant No. 21997Seitz was introduced in Germany（Seitz）Company equipment，in1998Put into production operation，Original design filtering capability30kiloliter/when，Using Seitz Corporation0.45micron40Inch sterilizing filter，Each batch54the，Batch filter life2,000kiloliter～3,000kiloliter。Because of the filter quality and product after-sales service and other problems，Later switched to the UKDHThe company as a technical support and filter suppliers，Use a relatively low price0.65micron30Inch filter element，Its flow rate can still meet the requirements of packaging capacity
2015-03-10 Reading quantity 2902
introduction：Reducer inductor in the design and manufacture of adaptation to ensure that the workpiece surface to meet the requirements of uniform layer distribution，High electrical efficiency，Adequate mechanical strength，Easy to install and adjust，Easy to operate and other conditions。The intermediate frequency quenching inductor along the tooth groove is mainly composed of the flange plate、Connecting plate、The tooth part and the magnet are composed of a linear motion of the inductor along the tooth groove；Second, the sensor moves in a straight line along the tooth groove at the same time，Because the height of the reducer sensor remains the same，The gear shaft is helical，Therefore, the gear shaft must be rotated according to the size of the spiral Angle。 If gas builds up at the top of the pump，The gas of the reducer gradually increases so that the oil level in the pump is bottom of the piston
2015-03-10 Reading quantity 2882
introduction： The manufacturer wants to bring the new production to market as soon as possible，The general requirement is that the mold manufacturer can shorten the lead time as much as possible。For the mold maker，Investing in high technology will not necessarily solve the problem，The key is to use appropriate technology to reduce downtime and manual work in processing。 In theory，The fastest processing process is to accept the electronic mold from the customerCADdata，Type it inCAD／CAM／CAESystem processing，exportationNCThe program is programmed to produce a sample of a three-dimensional diorama at high speed，Check it against the original output data，And then produced forCNC EDMprocess
2015-03-10 Reading quantity 2896
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