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introduction：Basic knowledge of mechanical drawing recognition 1、The concept of mechanical drawings （1）Engineering drawing：Engineering drawings drawn according to projection methods and in accordance with the provisions of national standards for engineering construction or product manufacturing purposes are called engineering drawings，Short drawing。 ◆Engineering drawings can be divided into：Mechanical drawing、Architectural drawing、Hydraulic engineering drawings, etc。 （2）Mechanical drawing：It specializes in the theory and method of drawing mechanical patterns。It is the most basic technical document in production；Is designed、manufacture、inspect、The basis for assembling products；Its a project to exchange science and technology
2015-04-04 Reading quantity 2893
introduction：The main working part of the reducer is the 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。]And gear drive mechanism。The friction and wear condition of gear surface directly determines the working condition of gear。The quality of the reducer gear determines the working efficiency and life of the reducer。 Gear transmission is the most commonly used transmission mechanism in mechanical equipment，Chitro
2015-04-04 Reading quantity 2893
introduction： Electromagnetic clutch installation precautions 1、Please have no moisture at all、The dry electromagnetic clutch is used when the oil content is equal，If the friction part is stained with water or oil and other substances，It will greatly reduce the frictional torque，The sensitivity of the clutch is also reduced，In order to avoid these situations in use，Please add cover。 2、When used in places with a lot of dust，Please use protective cover。 3、Please use the size of the long shaft used to install the clutchJIS0401 H6orJS6The specification of。with
2015-04-04 Reading quantity 2773
introduction： Technical parameter machine type 3 5 15
2015-04-04 Reading quantity 2773
introduction：IKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]In the course of its use, it shows strong regularity，And repeatability is very good。Normal quality bearing(Rolling bearing)At the beginning of use，Vibration and noise are relatively small，But the spectrum is a little scattered，The amplitude is small，Probably due to some defect in the manufacturing process，Such as surface burrs
2015-04-04 Reading quantity 1541
introduction：Hydraulic electric forklift purchase precautions 1、According to the operation function, the basic operation function of the electric stacker is divided into horizontal handling、stacking/Take delivery、loading/unload、select。According to the enterprise needs to achieve the operation function of the product series preliminarily determined。In addition，The special operation function will affect the specific configuration of the truck，Such as carrying paper rolls、Hot metal，Stacker mounting equipment is required to perform special functions。 2、Select the stacker according to the operation requirements The stacker operation requirements include pallet or cargo specifications、Lifting height、Operating channel width、climbing
2015-04-04 Reading quantity 2783
introduction：Dry cutting is the development direction of cutting processing Just 20 years ago，Cutting fluid used to be very cheap，In the cost of most processes，Its proportion is less than3%。So that no one paid much attention to it。but，Its different now，The proportion of cutting fluid in the workshop production cost increased to15%，This has to cause great concern of producers and operators。 Especially those cutting fluids that contain oil have become a big expense。Whats more, its discharge pollutes the environment，Foreign environmental protection departments should monitor the handling of these mixed preparations。moreover，Many countries and regions also classify them as dangerous
2015-04-04 Reading quantity 2875
introduction：The instrument system parameter detection and control in the chemical production workshop of Tanggang gas coking plant are all analog instruments，Some are even old fashionedIISex meter，There is low accuracy、Interference affects major shortcomings，The control quality of the whole system is very poor。With the development of production，The original system can not meet the production needs better，It is more and more urgent for the factory to realize computer control of the control system，A unified scientific management of the entire production system。 Shenyang Zhongkebo Micro Automation Technology Co., Ltd. undertakes the transformation project of control system of Tanggang gas coking plant，At present, the worlds advanced foundation in the field of self-control is adopted
2015-04-04 Reading quantity 2778
introduction： Machining of other structural parts 1．Processing of gate cover There are two types of common gate covers，As shown in the figure2.13indicatedAType sumBtype。Carbon tool steel is generally usedT8Amanufacture，Local heat treatment，hardnessHRC57around。 Compared with general sleeve parts，Sprue sleeve cone hole is small(Its small end diameter is generally3～8mm)，Difficult to process，At the same time, it should also ensure that the cone hole of the gate sleeve is coaxial with the outer circle，In order to align the gate sleeve with the injector nozzle through the positioning ring during mold installation。 2．Machining of side core sliders When injection molding with side concave or side
2015-04-04 Reading quantity 1429
introduction：1.1 Main drive control system Rod line main drive motor selected DC motor，Eighteen continuous rolling mills are driven by eighteen DC main motors，The main motor drive system adopts Siemens6RA70As a core component of regulation，The high power thyristor produced by the imported production line is the successful part of the core group，The two forms the speed regulating device of the motor through reliable grafting technology，The performance of such a device can reach the advanced level of foreign countries，It has a high performance-price ratio。 1) 6RA70Regulating tank：Siemens6RA70Series full digital DC speed regulating device advanced performance，Reliable quality，Have to
2015-04-04 Reading quantity 1434
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