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introduction：Cycloidal pin gear reducer is one of the usesK-H-VNovel transmission device of planetary transmission principle with small tooth difference。Widely used in textile printing and dyeing、Light industrial food、Metallurgical mine、Petrochemical industry、Driving and decelerating devices in the fields of lifting and transportation and construction machinery。
2017-07-20 Reading quantity 57
introduction：We all know that linear bearings are a linear motion system，Used in combination with linear travel and cylindrical shaft。Due to the bearing ball contact with the bearing jacket point，The steel ball rolls with minimal friction resistance，So linear bearingWith low friction，And relatively stable，Does not vary with bearing speed，Can obtain high sensitivity、Smooth linear motion with high accuracy。Linear bearing consumption also has its limitations，The most important is that the bearing impact load capacity is poor，And the carrying capacity is also poor，Secondly, the vibration and noise of linear bearings are larger when moving at high speed。The automatic selection of linear bearing is included。Linear bearings are widely used in precision machine tools、Textile machinery、Food packaging machinery、Sliding parts of industrial machinery such as printing machinery。 Due to the bearing ball contact with the bearing point，So the use of small load。The steel ball spins with very little friction resistance，Thus, high pre
2017-07-19 Reading quantity 454
introduction：Danfoss inverter full name“Danfoss AC variable frequency governor”，Mainly used for three-phase asynchronous AC motor，Used to control and adjust motor speed。Danfoss inverter is a inverter product produced by Danfoss Group in Denmark，So far，Already have40Years of history，Products have covered all low-voltage markets。Danfoss inverter always adhere to customer-oriented research and development to ensure the stability of the product、innovativeness、flexibility，This makes Danfoss drives a leader in the global inverter market，Danfoss has also become the worlds leading supplier of frequency converters。 1968years，Denmark Danfoss company as the worlds first large-scale production of inverter manufacturers，Began its brilliant course in the field of automation control。40For years，Its transmission control products have been upgraded through multiple series，Constantly bring innovation and surprise to people，Always at the top of the industry in the world。After entering the Chinese market，Danfoss inverter in medicine、spin
2017-07-19 Reading quantity 198
introduction：TaiwanabbaHow to install linear guide rail？ ABBALinear guide(ABBALinear)Is ** standard line technology Co., Ltd. production。Be established in1999Since its establishment，It is the first professional linear slide manufacturer in Taiwan with a four-row bead self-moistening patent and actually introduced into mass production。International linear technology accumulated 18 years of precision ball screw manufacturing experience，Master the core and key technologies，Combined with Taiwan University of Science and Technology linear ball slide research and development capabilities，Go smoothly with2000Complete the mass production plan every year，And obtained a number of world patents·Successfully introduce products to the world stage，Currently has its own brand distribution network throughout Taiwan、mainland、Korea、Japan、Europe and America。 ABBASince its inception，Constantly strive to take root in the market and product quality，Won the ninth Innovative Research Award、2002and2004Taiwan Excellence Award、The 6th Littl
2017-07-19 Reading quantity 290
introduction：abbaLinear guide maintenance abbaHigh positioning accuracy when using linear guide rails as linear guidance，Because the friction mode of linear guide rail is rolling friction，Not only is the friction coefficient reduced to slide-guided1/50，The difference between dynamic friction and static friction force also becomes very small。So when the bed is running，There will be no slippage，attainabilityμmLevel of positioning accuracy。Traditional slide guidance with less wear can maintain accuracy for a long time，It is inevitable that the platform movement precision will be poor due to the greasy countercurrent action，And due to insufficient lubrication during exercise，It causes the wear of the contact surface of the running track，Seriously affect accuracy。The wear of the rolling guide is very small，Therefore, the machine can maintain accuracy for a long time。 Linear guide cleaning and maintenance： rail、The linear shaft is one of the core components of the equipment，Its function is to guide and support。In order to e
2017-07-19 Reading quantity 74
introduction：Emerson frequency converterBe fully known as“Emerson AC variable frequency governor”，It was developed by Emerson、Give birth to、Sales of well-known inverter brand。It is mainly used to control and adjust the speed of three-phase AC induction motor，With its stable performance、Rich combination features、Good dynamic characteristics、Super overload capability and unparalleled flexibility，It occupies an important position in the inverter market。Widely used in various industrial fields，Especially in elevators.、spin、Machine tool、Industries such as lifting and shipping and ports。 Common model： EV1000 series：Small size，Easy to operate，Suitable for plastic machinery、Textile machinery、Tobacco machinery、Ceramic machinery、Pharmaceutical machinery Food machinery、Printing machinery、Packaging machinery、Central air conditioning and other special equipment。 EV2000 series：Wide power range，More rich functions，Suitable for fan、Energy saving transformation of water pump；Transfer load、Variable speed drive for potential energy loads；A
2017-07-18 Reading quantity 318
introduction：At present，The vast majority of universal frequency converters are alternating—straight—Ac frequency converter，It is usually used especially for voltage converter，Its main loop diagram（See picture1.1），It is the core circuit of the frequency converter，By the rectifying loop（Hand in—Direct exchange），Dc filter circuit（Energy consumption circuit）And inverter circuit（straight—Meet transformation）Make up，Of course, it also includes finite current circuits、Brake circuit、Control circuit and other components。 1）Rectifier circuit As shown in the figure，Universal frequency converterThe rectifier circuit is composed of three phase bridge rectifier。Its function is to rectify the power supply，After the intermediate DC link flat wave, the DC power supply is provided for the inverter circuit and the control circuit。The three-phase AC power supply is generally introduced into the input end of the rectifier bridge through a network of absorbing capacitors and varistors。Role of network，It absorbs high frequency harmonic
2017-07-18 Reading quantity 306
introduction： 1)The arithmetic circuit will be external to the speed、Torque and other instructions also detect the current of the circuit、The voltage signal is compared，Determine the output voltage of the inverter、frequency。 2)voltage、Current detecting circuit，Detection voltage isolated from main loop potential、Current scheduling。 3)Driving circuit The circuit that drives the main circuit device，It is isolated from the control circuit to enable the main circuit device to operate、shutoff。 4)I/0Input/output circuit In order to drive better human-computer interaction，The frequency converter has multiple input signals (Such as running、Multi-speed operation, etc)signal，There are also outputs for various internal parameters“Such as current、frequency、Protection action drive, etc)signal。 5)Speed detecting circuit To the speed detector mounted on the asynchronous motor shaft machine (TG、PLGEtc.)The signal is the speed signal，Feed operation loop，According to the command and operation can make the motor run at
2017-07-18 Reading quantity 314
introduction：Variable frequency control cabinetIt is controlled by the built-in frequency converter and the periphery，Protection，Display and other electrical components and cabinet composition，Is a three-phase AC motor（Including fan，pump）Ac drive device and energy-saving device for frequency conversion speed control。Frequency conversion control cabinet is used50Hz、Network voltage380V、Capacity from0.75~630KWSpeed regulation and operation of three-phase asynchronous motor。Variable frequency control cabinet with high power factor，Constant torque performance（Below fundamental frequency）Programmed speed control，Up.、Lower limit speed control，is、Reverse control，Automatic stepless speed regulation and motor short circuit、Over duty、overvoltage、Undervoltage and other protection functions。Motor operating current、The operating frequency of the motor is displayed，Concurrent output4~20mAStandard signal，Easy to work with computer networking。Frequency conversion control cabinet adopts closed cabinet structure，The protection level is gen
2017-07-18 Reading quantity 219
introduction：Frequency converter distribution area is relatively broad，Such as Beijing and other places，So when the frequency converter fails，Many places cannot be repaired in time due to geographical relations，Today, Xiaobian will introduce you to the maintenance of the inverterknowledge，Let those confused friends find a way out！ Some common methods： Static testing： 1、Test the rectifier circuit Find the result，It can be determined that the circuit has an anomaly，A.To the inverter internal DC power supplyPEnd sumNend，Set the multimeter to resistanceX10file，Red watch rod connectedP，Black watch rod separately under toR、S、T，Normally, it has a resistance value of tens of ohm，And basically balanced。Instead connect the black watch rodPend，The red watch rod is connected in turnR、S、T，There is a resistance that is close to infinity。Attach the red watch rodNend，Repeat the above steps，They should all get the same result。If there is a three-phase unbalance to the resistance value，The rectifier bridge is faulty.B.Red watch rod co
2017-07-18 Reading quantity 301
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