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introduction：The lubrication methods of steel rolling equipment are mainly divided into thin oil lubrication and dry oil lubrication。 1 Thin oil lubrication system The thin oil lubrication system of steel rolling equipment can be divided into two kinds: single type and centralized type。 Centralized thin oil lubrication system is the most perfect lubrication system，It has the following advantages：(1)A large number and wide distribution of lubrication points can be lubricated。(2)Continuous cycle lubrication of the unit，Can take the heat away from the friction parts，Carry out cooling。(3)Because of the pressure supply of oil，It can ensure timely and reliable lubrication of friction parts。(4)Proper lubrication，Less lubrication material consumption。(5)All lubrication work can be automatically controlled，Cut down on work
2015-06-13 Reading quantity 1612
introduction： 1.Metamorphic layer formed by grinding force。In the grinding process，The workpiece surface layer will be subjected to the cutting force of the grinding wheel、The force of compression and friction。Especially the role of the latter two，The surface layer of the workpiece forms a strong directional plastic deformation layer and work hardening layer。These metamorphic layers must affect the variation of residual stress in the surface layer。 2.Secondary quenching burns will makeNSKbearing[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 makeNSKStationary ring of bearing
2015-06-13 Reading quantity 1625
introduction：TIMKENbearing[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。]After installation，To check that the installation is correct，An operational check is required。Small machines can be turned by hand，To make sure the rotation is smooth。Check items for foreign bodies、scar、Poor operation due to indentation，Due to poor installation，The force caused by poor processing of the mounting seat
2015-06-13 Reading quantity 1628
introduction：To improve the level of management，Strengthen standardized management，Our factory has many management rules，Also hired people who have worked in formal enterprises to be factory directors。But I think the business is still messy，A lot of paperwork，Management cost increase，But the benefits have declined，Wages as a percentage of sales from previous6Rise to13。Why is this？What should we do？ Expert advice Above question，All of them are caused by the wrong understanding of standardized management： 1、The standardization is understood as simple institutionalization，And institutionalization is understood as documentation and literalization。Actually, the core of standardized management is
2015-06-13 Reading quantity 2876
introduction： use This machine is widely used in pharmaceutical industry、Chemical engineering、food、metallurgy、Light industry and scientific research units，It can mix powder or granular materials with good fluidity very evenly，So that the mixed material can achieve the best mixing state。 peculiarity Because the mixing barrel body has multi-direction movement，Make the material inside the barrel cross mixing points more，High mixing effect，The uniformity can be reached99.9%The above maximum loading factor can be reached0.9（The ordinary mixer is0.4~0.6），Short mixing time，High efficiency。 The mixer barrel has a unique design，The inside of the barrel is finely polished，seamless、
2015-06-12 Reading quantity 2916
introduction：Planetary reducer、Hard gear reducer、Gear reducer and other different types The reducer needs to pay attention to some details in the installation and initial use，Universal deceleration The staff of the machine sorted out the installation and use problems that we are more concerned about，Going to be Here are some more details。 1、When the reducer is installed, it should be fixed on a stable level foundation or base Up.，The oil in the drainage tank should be able to be smoothly discharged，And the cooling air circulation is smooth。Tang Chuan The dynamic coupling has protrusions or adopts gears、When the sprocket drives，Additional protection should be considered Protection device，When the output shaft is subjected to a large radial load，Should be
2015-06-12 Reading quantity 2885
introduction： The whole transmission device of planetary cycloidal pin gear reducer can be divided into three parts：Input part、Retarding section、Output part。 There is a misalignment in the input shaft180。The double eccentric sleeve，Two roller bearings are fitted on the eccentric sleeve[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。]，formHinstitution、The middle of two cycloidal wheels
2015-06-12 Reading quantity 2975
introduction： Abstract:Reverse engineering is one of the hot topics in advanced manufacturing technology research，This paper briefly reviews the reverse engineeringCADBased on modeling techniques，Several reverse engineering software are analyzed（module）Technical characteristics of。 keyword:Reverse engineeringCADSurface geometry modeling one、introduction In the process of product development and manufacturing，Geometric modeling techniques have been widely used，however，For various reasons，There are still permissible products that are notCADModel description，Designers and manufacturers are faced with physical samples。To adapt to the development of advanced manufacturing technology，Theres a way to go，Substantiate these
2015-06-12 Reading quantity 3015
introduction：Film cooling： Mass transfer through the cooling film on the wall。Film cooling is a cooling technology that prevents the solid wall from being damaged by high temperature air flow﹐Its a kind of mass transfer cooling。 The cooler gas coolant is delivered to the wall surface requiring thermal protection through the tangential slit﹐A film is formed along the direction of the hot air flow (In the picturea Film cooling diagram )。This film insulates the solid wall from the hot air flow﹐Thus, the wall surface is prevented from overtemperature damage due to direct contact with high temperature airflow。After the coolant squirts out of the gap﹐Merge with high temperature air flow and blend gradually﹐The heat insulation effect of the air-cooled film also gradually disappeared。Therefore thin
2015-06-12 Reading quantity 2858
introduction：With the unceasing development of national economy and our country joining inWTOAnd the deepening of economic globalization，More and more people realize the importance of carton packaging in the process of commodity circulation，Through good packaging design to achieve the purpose of product appreciation。One cannot make bricks without means，A good quality and qualified carton，If there is no qualified cardboard to do the premise，What about quality and qualified cartons Corrugated cardboard production line after the use of a time，Accompanied by equipment parts wear，Production efficiency will be greatly reduced；The cost of production will go up，Such as increased energy consumption，Production slowdown，Corrugating increases and fails；Its a good bet
2015-06-12 Reading quantity 2995
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