Batch Smart quick quote，
Export quotation with one click，
One-click order
Monday to Saturday8:30-18:00
introduction： In a sense，The injection mold is also a displacing device，That is, the plastic melt enters the mold cavity，At the same time, the air in the mold cavity is displaced。In fact, the air in the mold is not confined to the cavity，Especially the three-plate injection mold，The air present in the flow path cannot be ignored。In addition,Plastic melt produces trace amounts of decomposition gas。These gases must be discharged in time。 If the exhaust performance of the mold is poor, it is easy to produce bubbles、Silver streak、Cloud and mist、Filling insufficiency、Surface scorch、Discontinuous injection and other poor。therefore,The mold should be equipped with a reasonable layout of the exhaust structure in order to avoid the exhaust is not very good caused by bad products，often
2014-12-25 Reading quantity 2864
introduction： A rotary pump that depends on the volume change and movement of the meshing space formed by the pump body and the screw to transport liquid or pressurize it(Sight-seeing pump)。Screw pump is divided into single screw pump according to the number of screws﹑Double screw pump and three screw pump, etc。figure Double screw pump It is a double screw pump。When the active screw rotates﹐Drive the driven screw with which it engages to rotate﹐The volume of the screw meshing space at one end of the suction chamber gradually increases﹐Pressure reduction。The liquid enters the meshing space volume under the action of pressure difference。When the volume is increased to the maximum to form a sealed cavity﹐The liquid moves continuously along the axial direction in each sealed cavity﹐Until one end of the cavity is discharged。Now discharge cavity one
2014-12-25 Reading quantity 2890
introduction：SelectINAbearing[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 two types of lubrication：Oil lubrication and grease lubrication。There are advantages and disadvantages to both types of lubrication。 Grease lubrication General rollingINAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced during mechanical transmission
2014-12-25 Reading quantity 1631
introduction：First up is the，Size limitation。Normal 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。]The space that can be installed is limited。In most cases，Shaft diameter（OR-bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce the friction coefficient of load during mechanical transmission
2014-12-24 Reading quantity 1589
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。]Fault analysis，Bearings are an important part of system engineering to improve working surface reliability[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 are on the shaft
2014-12-24 Reading quantity 1614
introduction：CimatronThe fast parting function（QUICK SPLIT）manufacturing-oriented，Mainly used in the mold core、Design of the cavity,Mold structure design、Design of electrodes required for processing, etc。This function enables users to analyze the parting direction directly according to the surface model，The surface is automatically divided into cores、The cavity has two parts，Automatically generate parting lines for users，Then a variety of methods are used to rapidly generate the surface of the mold according to the existing parting line，Finally, the final design result is formed by editing。The fast parting is cored directly to the surface model、Design of the cavity，No transformation by the surface data model is required
2014-12-24 Reading quantity 3021
introduction： Cement production enterprises are high energy consumption、Big polluting industry，From an energy and environmental perspective，Dry rotary kilns tend to replace wet rotary kilns。The large dry cement production line introduced from abroad in recent ten years has put forward higher requirements for equipment lubrication，For large、It is difficult to obtain suitable oil substitutes for critical equipment in China，For example, the reducer of the large ball mill，The lubrication of the open gear of rotary kiln is basically the use of imported special lubricating oil/fat。 The moving parts of cement plant equipment are mainly gear drives、Plain bearing[bearing:bearing（“Bearing”，day
2014-12-24 Reading quantity 2960
introduction： For the use of tower cranes，Technical preparations before installation，Prepare the installation personnel，Installation matters and disassembly precautions are very important，These attention details can ensure the performance of the tower crane，And extend the service life of the tower crane。 Tower crane installation and disassembly precautions： Technical preparation and precautions before installation of tower crane： （1）According to the requirements of the tower crane manual and basic design data，Check the main control items of foundation construction quality。 Detect the geometric size error of tower crane foundation，It should be within the permissible range
2014-12-24 Reading quantity 1648
introduction：abstract：Daily water supply capacity of Jingjiang Water Supply Company10Ten thousand tons，It belongs to small and medium-sized water supply system。Now in its raw water workshop has adopted the liquid viscous speed regulation，Although the obvious energy-saving effect has been achieved，However, the actual use of the process still reflects some problems。In view of this situation，In this paper, some comparisons are made between liquid-viscous speed regulation and electromagnetic speed regulation，It is recommended that electromagnetic speed regulation is more suitable for application in small and medium-sized water supply systems。 introduction： In the water supply，Because water supply demand is a variable that changes from time to time，therefore，It is necessary to adjust the water output of the pump frequently to meet the users needs
2014-12-24 Reading quantity 3002
introduction：Mechanical seal installation and use requirements summary：Must Working conditions Host conditions Select the appropriate type of mechanical seal material match to ensure normal operation service life Install the mechanical seal parts of the shaft sleeve radial runout tolerance0.04mmAxial momentum of rotor0.1mmInstall mechanical seals stationary seal housing positioning end perpendicular to shaft0.04mmMechanical seal installation must be the bushing sealing cavity sealing liquid static and dynamic 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 are on the shaft
2014-12-24 Reading quantity 1708
Complete category
Save worry and effort，Buy all at one stop
One-to-one customer service
Selection inquiry，Fast response
Delivery guarantee
Multi-position straight hair，No worries about delivery
Source of genuine goods
Genuine guarantee，Honest service
Source of genuine goods
Genuine guarantee，Honest service
Automatic parts one-stop procurement platform
Working hours：Monday to Saturday 8:30-18:00
008618117444109
Official wechat public account
Order for goods/Information at hand
