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introduction： EDMLatest developments in process and technology together with precision、Automation and improvements in micro-mold manufacturing technology，Can bring unexpected harvest to the domestic mold manufacturing industry。 Speed is not the solution Increasing drive speed is increasingEDMOne way to open mold speed，In this way, you can reduce the time spent on unproductive lifting，But you can only increase the speed Limited to small electrodes and deep mold cavities。In addition，If you exceed a certain speed，Electrode wear is considerable，And too high an axial speed will cause great stress in the mechanical system
2015-02-24 Reading quantity 2867
introduction：one、Working principle of food packaging machine At present, the pillow automatic packaging machine adopts the domestic leading and most mature and reliable technology design and production，Brings together the essence of many years of experience in the field of packaging machinery，The packaging machine can use a variety of composite packaging film coil to pack block food，Very suitable for the needs of the vast number of users in China。 1)The electrical part of the automatic packaging machine is generally composed of the following： a)The main control circuit is a speed sensorless vector inverter、Programmable controller（PLC）Component control core； b)Temperature control circuit by intelligence
2015-02-24 Reading quantity 2782
introduction：According to the characteristics of the material and the feeding situation，Generally, the appearance and process properties of materials should be tested before forming。The pellets supplied often contain varying degrees of moisture、Fluxes and other volatile low molecular matter，Especially those with a hygroscopic tendencyTPRWater content always exceeds the allowable limit for processing。therefore，It must be dried before processing，And determine water content。At high temperatureTPRThe moisture content required in5％below，So far as to2％～3％，Therefore, vacuum drying chambers are commonly used in75℃～90℃desiccation2Hour (s)。Materials that have dried must be properly sealed and stored，To prevent loss of material from absorbing moisture again from the air
2015-02-23 Reading quantity 2790
introduction： Cause of failure of electromagnetic clutch The other thing we should note is that，In dealing with this type of coil failure，The value of its direct current resistance should be measured accurately，The DC resistance of the electromagnetic coil is too large or too small will affect the normal use of the electromagnetic clutch。Here are some relevant data for reference：05、08The direct current resistance value of the electromagnetic clutch coil used in the offset press is generally22f2、03The clutch is operated on the machineDLM2-10The DC resistance value of the type solenoid coil is15around，QZl04D hydraulic pressure d
2015-02-23 Reading quantity 2795
introduction： INAbearing[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 limit speed generally refers to the highest speed that can be achieved under the following conditions： 1、Bearing tolerance is0level； 2、Bearing clearance is0group； 3、Bearing load is rated load10％（namely0.1C）； 4、 Lubrication cooling
2015-02-23 Reading quantity 1556
introduction：The key to the operation of the polishing machine is to try to get the maximum polishing rate，In order to remove the damage layer caused by polishing as soon as possible。It is also necessary to ensure that the polishing damage layer does not affect the final observed tissue，It doesnt create fake tissue。The former requires the use of a coarser abrasive，To ensure a large polishing rate to remove the polished damaged layer，But the polishing damage layer is also deep；The latter requires the use of the finest materials，Make the polishing damage layer shallow，But the polishing rate is low。 The best way to solve this contradiction is to divide polishing into two stages。The purpose of rough polishing is to remove the damaged layer of polishing，This stage should have the maximum polishing rate，roughing
2015-02-23 Reading quantity 1537
introduction：Mining subsidence observation mining subsidence observation Mining subsidence map map of mining subsidence windowing windowing Survey and design phase measurement survey in reconnaissance and design stage Exploration base prospecting baseline Exploration network measurement prospecting network layout Prospecting line
2015-02-23 Reading quantity 2894
introduction：The interior surface of an ordinary room，It is generally made of flat, hard material，Such as plastered walls or tiles、Mud wall, etc。When an indoor sound source makes noise，In addition to the direct sound that can be heard from the source，You will also hear a reflection sound formed by multiple reflections from various surfaces in the room，People who work indoors are exposed to more noise。If we decorate the ceiling and the walls around the room with some kind of sound absorbing material or hang the appropriate space sound absorbing body，You can absorb some of the reflected sound in the room，Reduce the overall noise in the room，This method is called acoustic processing。 Acoustic processing is noise
2015-02-23 Reading quantity 2798
introduction：CAI Zhipeng and Chen Daoyu Since the research of ultra-high temperature sterilization in the middle of last century，Various styles of ultra-high temperature sterilization machine came into being，It has also been widely used in the food industry。In terms of its principle, it is mainly divided into direct and indirect heating，In direct heating, there are two types: steam blowing into material and material blowing into steam，The indirect heating is divided into pipe sterilization machine and plate sterilization machine。Indirect heating is the most common in domestic production of ultra-high temperature sterilization machines。Pipe type ultra high temperature sterilization machine，That is what we usually call instantaneous UHT sterilizers because of their use in dairy products、beverage、Fruit juice、liquor、Ice cream and soy sauce and other fluid foods
2015-02-23 Reading quantity 2788
introduction： The characteristics and application of electromagnetic clutch Electromagnetic brake、Electromagnetic clutch is an important part of mechanical and electrical products，In the mechanical transmission system plays a role in transmitting power and controlling motion。Due to simple operation，Easy to realize remote centralized operation and automatic control。After a certain design and auxiliary cooperation，The connection can be achieved、separate、immobilize、Positioning brake、Variable speed、commutation、inching、Function of overload protection，It has been widely used in machine tools、spin、Printing and dyeing、package、food、printing、Light industry、work、Medical treatment、unit、hoisting、transport、
2015-02-23 Reading quantity 2815
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