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introduction：A moving ring filter is used as the filter medium﹐And a continuous filter with negative pressure as the filter driving force。figure1 Belt vacuum filter The structure and working principle of belt vacuum filter。The horizontal filter belt is driven by a roller﹐Vacuum trays and pipes are installed under the filter belt﹐To suck out filtrate and lotion。Add a suspension at one end of the filter﹐First, the liquid is filtered to form a filter residue﹐The filter residue is then washed and dehydrated﹐Unload the slag at the other end of the filter﹐The lower part of the filter is cleaned and regenerated upon return。Before vacuum filtration﹐Sometimes a gravity settling zone is added﹐The coarser particles settle on the filter surface first﹐elixir。Some filters press the roller at the end of the slag discharge
2015-01-12 Reading quantity 2836
introduction：A plate gauge with a precise measuring plane（See picture[Service plate]）。The plate is divided into four stages according to accuracy：0、1、2and3level。among0、1and 2The graded plate is often used to check the flatness error of the workpiece by the coloring method、The straightness error of the workpiece is checked by the light gap method or the indicator method，Its measuring plane is often used as the positioning plane in the measurement work。 3Grade plate is generally used by fitters for marking。Flat plates are often made of high-quality cast iron，Its also made of granite。Granite slab is characterized by stable material，Low coefficient of thermal expansion and easy maintenance，However, it is not suitable for use in an environment with high humidity。Small size plate often
2015-01-12 Reading quantity 2818
introduction：The short answer is to reduce the speed，Increase torque，Inertia reduction Gear reducer It is the use of all levels of gear transmission to achieve the purpose of reducing speed.The reducer is composed of gear pairs at all levels.For example, using small gears to drive large gears can achieve a certain goal of deceleration,Then adopt the multi-level structure,You can significantly reduce the RPM. Gear reducer is generally used for low speed and high torque transmission equipment，Knob motor.The power of an internal combustion engine or other high-speed operation is decelerated by meshing large gears on the output shaft with fewer teeth on the input shaft of the reducer，Regular speed reducers will also have them
2015-01-12 Reading quantity 2900
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。]The ultimate axial carrying capacity： 1、Deep groove ball bearings are under simple axial load，The axial load should generally not exceed0，5C0The value of。 2、Small bearing（Inside diameter approx12Within a millimeter）And light series bearings（straight
2015-01-12 Reading quantity 1583
introduction：Skeleton oil seal is relatively simple，There are usually three parts：Oil seal body、Reinforced skeleton and self-tightening coil springs。The sealing body is divided into the bottom according to different parts、loin、Cutting edge and sealing lip, etc。A skeleton is like a steel bar inside a concrete member，Play a strengthening role，And the oil seal can maintain shape and tension。usual，Skeleton oil seal in the free state，Its inner diameter is smaller than the shaft diameter，That has a certain“Magnitude of interference”。therefore，When the oil seal is loaded into the oil seal seat and shaft，The pressure of the edge of the oil seal and the contraction force of the self-tightening helical spring produce a certain radial tightening force on the shaft，After a period of running，The pressure will quickly decrease or even disappear
2015-01-12 Reading quantity 1572
introduction：This paper discusses the basic characteristics of virtual reality、Typical application and its development trend，Examples of common virtual reality software and hardware products are given，On this basis, take the crane as an example，The application of virtual reality technology in mechanical engineering is analyzed。 Virtual reality，CAD 1989years，ColumbianVPLResearchFounder of the companyJaronLanierFirst put forward“VirtualReality（VR）”This term，Refer to“Computer generated three-dimensional interactive environment，In use
2015-01-12 Reading quantity 1587
introduction： What to do when the electric forklift stops driving Because the driving speed and reversing of the battery forklift truck are achieved by changing the current size and current direction of the driving machine，So it doesnt have a mechanical clutch，Use the 逨 directly（Electric throttle）Controls：Use the direction switch to change the direction of the forklift（Forward or backward）The drive motor has no idle speed，Once the drive motor is turned，Forklift truck start：The speed is controlled by the accelerator：Working device of electric forklift truck（Fork lift and tilt）The operation method is the same as that of the internal combustion forklift truck。
2015-01-12 Reading quantity 2940
introduction： Network encryption lock(NetHASP) Buy3Nested or3Set aboveMastercamUser of the software，Network encryption lock can be selected（NetHASP)。The network encryption lock is installed on the server，Installed via network controlMastercamOperation of software。 Online help(Onlin
2015-01-12 Reading quantity 2830
introduction：1、During the use of the mill，There should be permanent personnel responsible for watching，The operator must have a certain level of skill，Before the installation of the mill, technical training must be carried out on the operating personnel，Make it understand the principle performance of the mill，Familiar with operating procedures。 2、To make the mill work properly，Equipment to be established“Maintain safe operation system”In order to ensure the long-term safe operation of the mill，At the same time, necessary maintenance tools and grease accessories should be available。 3、After a period of use of the mill，Maintenance required，At the same time, the wearing parts such as the grinding roller and the grinding ring are repaired and replaced，The roller grinding device is connected before and after use
2015-01-12 Reading quantity 1464
introduction：A device used in lifting machinery to lift heavy objects。The most common sling used to lift a finished item is a hook﹐And then there are the rings﹑Lifting sucker﹑Clamp and fork(See picture Clamp and fork )Etc.。Lifting sucker﹑Clamps and cargo forks can be used as special spreaders on the crane for a long time﹐It can also be used as a replaceable auxiliary spreader to hang on the hook temporarily﹐It is often used in multi-cargo warehouses and storage yards﹐To improve work efficiency。The spreader for grasping loose materials is generally a grab bucket with a jaw plate that can be opened and closed﹐Magnetic materials such as metal chips can also be absorbed by electromagnetic suckers。The common lifting tools for lifting mobile materials are buckets and cans﹑Generally by tilting or pumping the bottom
2015-01-12 Reading quantity 2803
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