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introduction： intro FXGA type of ventilated flat bed dryer was introduced90Material stacking dryer designed by the latest model abroad，Mainly by heat source、Control and adjust the damper、Air blower、The reversing valve and the material tank are composed，Can be used for all kinds of dehydrated vegetables、paddy、Corn、Mung bean、Red date、longan、Pepper、Dried bamboo shoots、Ginger slice、mushroom、Chinese herbs and other irregular shape of poor fluidity of the articles dry，Have simple structure，Low investment，Easy to operate，Suitable for farmers and small processing plants。 Working principle Place the material evenly in the material trough，Cold air through heat
2015-05-24 Reading quantity 2856
introduction：one、The elevator adopts the advantage of frequency conversion speed regulation: 1、Wide grid voltage：±20Grid voltage，Cope with different grid conditions； 2、Brand new pairCPUHardware control platform，The control performance is greatly improved；Achieve constant torque lift，The load lift will not be affected by network fluctuations。 3、Strong load capacity，High starting torque，The soft start of the motor is realized。 4、Can realize the motor stepless speed regulation，Low current impulse，add、Deceleration smoothing，The strength of the mechanical impact is greatly reduced 5、Easy to set up with external controls
2015-05-24 Reading quantity 2944
introduction： A small, light lifting device used to lift heavy objects(Hoisting machinery)。Its made by motor﹑The driving mechanism is integrated with the drum or sprocket﹐Compact structure﹐Light weight﹐Simple operation﹐It is widely used in production。Electric hoist is divided into wire rope type and ring chain type two。 Wire rope electric hoist(figure1 Wire rope electric hoist )。This kind of electric hoist is commonly used in squirrel cage conical rotor motor with brake﹐Cylindrical rotor motors with additional electromagnetic brakes can also be used。Deceleration is generally driven by fixed shaft external meshing gear﹐The input axis is on the same axis as the output axis。Wire ropes are usually single
2015-05-24 Reading quantity 2891
introduction：1 introduction Hot press as one of the main engines of wood-based panel production，It plays an important role in production。The machine and low failure rate is a reliable guarantee to ensure normal production and reduce product costs。Therefore, the reliability of hydraulic control system has been concerned，It is one of the targets that many hydraulic technicians have been studying。At present, the hydraulic control system of hot press manufacturers is not the same，This paper introduces a hydraulic system controlled by insert，Have high efficiency，Few control components and reliable operation。2 The function and control principle of the control system In order to reduce the manufacturing cost of hydraulic cylinder in hot press，General use
2015-05-24 Reading quantity 2879
introduction： 1．backdrop Many complex parts in the automotive industry are directly produced by investment casting，How to be high precision、The rate of、It is an important problem in the automotive industry to manufacture the master forms of these precision castings at low cost。Hand-made by traditional wood modelers，For the surface shape complex master die，Not only inefficient、Low accuracy，It is difficult to meet the production needs。Manufactured by CNC machining center，The cost is too high。therefore，Beijing Yinhua Laser Rapid Forming and Mold Technology Co., Ltd. cooperated with Jiangsu Huaneng Fine Foundry in Changzhou，The melt deposition manufacturing process in rapid prototyping technology is adopted——ME
2015-05-24 Reading quantity 2827
introduction： lead said Rapid prototyping manufacturing（Rapid Prototyping-RP）The technology is a high-tech achievement newly developed in the world，Rapid prototyping technology for short。Its core technology is computer technology and material technology。Rapid prototyping technology abandons traditional machining methods，On the basis ofCADGenerated part geometry information，Control 3D CNC forming system，Parts are formed by stacking materials by laser beams or other methods。Shape it in this way，No time consuming、Design and machining of expensive molds or special tools，Greatly improve the production efficiency and
2015-05-24 Reading quantity 2952
introduction：Bill ripping machine is a very important equipment in bill printing，Its use greatly improves the production efficiency and quality of manual bills。But early tear machines were not equipped with paperless protection devices，Cause a lot of inconvenience to production，As in the ripping process，A link of paper breaks，Due to the high operating speed of the equipment，Its hard for operators to spot，Cant stop in time，It takes a lot of time to make mistakes when you find them，It reduces production efficiency，In serious cases, it may even cause quality accidents。In view of this，It is necessary to install a protective device。 Requirements for lack of paper protection devices 1．The installed protective device shall be guaranteed
2015-05-24 Reading quantity 2858
introduction：Worn or damagedNSKbearing[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。]orNSKThe unit can cause your vehicle to have an inappropriate and costly failure while on the road，So far as to
2015-05-24 Reading quantity 1552
introduction： Master the polishing machine operation precautions，Can improve work efficiency，Ramp up work output，Next, we talk about the operation requirements of the polishing machine and the characteristics of the use of the polishing machine from five aspects。 Maximum polishing rate operated by the polishing machine The key to the operation of the polishing machine is to try to get the maximum polishing rate，In order to remove the damage layer caused by polishing as soon as possible,It is also necessary to ensure that the polishing damage layer does not affect the final observed tissue，It doesnt create fake tissue。 Polishing machine grinding selection requirements The former requires the use of a coarser abrasive，To ensure a large throw
2015-05-24 Reading quantity 1615
introduction：The imported materials for material processing are purchased from abroad with foreign exchange，And the incoming material processing、The incoming materials for the assembly method shall be provided by the entrusting party，You dont need to pay foreign exchange；（2）The import enterprise shall have the ownership of the imported materials and parts，And the incoming material processing、Incoming parts are assembled in the same way as incoming materials、Incoming items are not owned，Use only；（3）Re-export of finished products processed from imported materials shall bear the risk of selling finished products，Processing of incoming materials、The assembly of imported parts is only one way of exporting services，No risk of finished product sales；（4）The price of all goods shall be charged for re-export of finished products processed from imported materials，And the incoming material processing、Incoming assembly is only charged by convention
2015-05-23 Reading quantity 2930
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