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introduction：Reducer torque=9550×Motor power×Speed ratio×Service coefficient/Motor input revolution The calculation formula is T=9549 * P / n 。 PIs the rating of the motor（exportation）The unit of power is kilowatt（KW） denominator Is rated speed n The units are revolutions per minute (r/min) Pand nAvailable from Directly from the motor nameplate。 therefore，Reducer powerP=T*n/9550.
2015-03-08 Reading quantity 3091
introduction：FAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]We have the worlds most mature and comprehensive range of high-precision bearings for machine tool spindles，Represents the highest level of performance technology。Bearings are available for almost all spindle designs on the market。Therefore, the selection of linear bearings with flanges can meet the requirements of most specific applications。This kindFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a cage assembly with a solid window cage
2015-03-08 Reading quantity 1497
introduction： stress（MPa） No phosphating film Zinc phosphate treatment Manganese phosphate treatment Cadmium phosphate treatment 70 0.103 0.013 0.095 0.034 350 0.068 0.032 0.070 0.069 700 0.
2015-03-08 Reading quantity 2931
introduction：IndexcorporateG200The practical application of turning center in BMW production plant shows that：In the integrated intelligent machining unit，The processing time of the workpiece can be greatly reduced by using two pairs of spindles。The turning center is a parallel structure，Make the turning center for conventional turning and hard turning more reasonable。 Effectively save processing time IndexcorporateG200The turning center integrated processing unit has modularity、High power double spindle、Four-axis linkage function，Thus, the processing time is further shortened。With other clamping by means of a working shaft
2015-03-08 Reading quantity 2817
introduction： First up is the，Size limitation。usualNSKbearing[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。]The space that can be installed is limited
2015-03-08 Reading quantity 1420
introduction：Grease lubricated with pre-sealed type bearings[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。]Sealing method of filling grease，And fill an appropriate amount of grease inside the housing，A filling method of fat supply that is supplemented or replaced at regular intervals。In addition，For machines with multiple high temperature bearings that need lubrication，Centralized supply is also provided by piping connections to each lubrication point
2015-03-08 Reading quantity 1453
introduction：chuan yong chaiyouji Marine diesel engine marine diesel engine Diesel engine has high thermal efficiency、Good economy、Easy starting、It has great adaptability to all kinds of ships，Soon after its introduction, it was used as a propulsion power for ships。to20century50age，In newly built ships，Diesel engines have almost completely replaced steam engines。Marine diesel engines have been civilian ships、The main power of small and medium-sized ships and conventional submarines（See Marine power plant）。Marine diesel engine can be divided into main engine and auxiliary engine according to its role in the ship。main-ship
2015-03-08 Reading quantity 2787
introduction：Electrical fire and explosion accidents are often serious personal casualties and equipment damage accidents。Electrical fire and explosion accidents occupy a large proportion in fire and explosion accidents，As far as electrical fires are concerned，Both the frequency of occurrence and the economic damage caused，The proportion of fires is on the rise。Distribution line、High and low voltage switchgear、fuse、socket、Lighting appliance、motor、Electrical equipment such as electric heating appliances can cause fire。Power capacitor、Power transformer、Power cable、Multi-oil circuit breaker and other electrical devices may cause fire in addition，It could explode itself。Electrical fire is very hot
2015-03-08 Reading quantity 2784
introduction：【Abstract of a paper】This paper discusses the adoptionPLC PCControl powder coating production line。The surface treatment is described、Drying oven、Control principle of curing furnace and powder spraying。coalescePLC PCThe implementation of control system is introduced。 Our company mainly produces white household electrical products(refrigerator、Washing machine、Electric water heater and some small household appliances)The company has four powder spraying automatic production lines。The refrigerator company uses Nordsons friction gun spraying system，Is the largest in the country、The only flat coating line；Washing machines and water heaters use Nordson vertical electrostatic powder coating systems，And hot
2015-03-08 Reading quantity 2795
introduction：CNC machine tools are generally made ofNCControl system、Servo drive system and feedback detection system3 Partial composition。The servo performance required by the position system of CNC machine tools includes：Positioning speed and contour cutting feed speed；Positioning accuracy and contour cutting accuracy；Finish the surface roughness；Stability in the face of external interference。These requirements mainly depend on the static state of the servo system、Dynamic characteristic。For a closed loop system，It is always hoped that the system has high dynamic accuracy，That is, when the system has a small position error，The moving parts of the machine react quickly。The following position control system affects the machining requirements of CNC machine tools in several aspects are discussed
2015-03-08 Reading quantity 2888
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