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introduction：Protection against electric shock：The power supply of the power transformer is generally through the overhead line，And overhead lines are vulnerable to lightning strikes，The transformer will burn through the insulation。
2017-08-21 Reading quantity 166
introduction：Due to Panasonic inverterLower range of use，So that we in the Panasonic inverter maintenance of the summary is relatively less，The following author on some of the common faults of Panasonic inverter and we do a discussion:
2017-08-21 Reading quantity 249
introduction：Why use Siemens inverter when，Never use a leakage protector？Here is a small series to give you to solve this doubt！
2017-08-21 Reading quantity 282
introduction：Omron relays have two states：Suction state and falling state。In the railway signal system, the following principles are followed to specify the positioning state。
2017-08-21 Reading quantity 290
introduction：The basic requirements of control system for servo motor Wide speed range The mechanical and regulatory characteristics are linear There is no“autorotation”phenomenon Fast response Low control power、Light weight、Small size。
2017-08-21 Reading quantity 1024
introduction：In the last article we talked about some basic introduction of servo controllers，So today we mainly knowplc Servo controller.PLCIt is an electronic device specially designed for digital arithmetic operation in industrial environment。It uses a memory that can be programmed，Used to perform logical operations in its internal storage、Sequential operation、Keep time、Instructions for counting and arithmetic operations，And can be through digital or analog input and output，Control of various types of machinery or production processes。
2017-08-21 Reading quantity 282
introduction：360?Method of modulating shielding and electrostatic discharge characteristics，Ensures excellent resistance to electromagnetic interference。● Lose weight30%，This means a reduction in the weight of the entire system，So it is more suitable for servo motor(The motor is mounted on the slide rail)Apply。
2017-08-19 Reading quantity 192
introduction：1.High transmission efficiency In the ball screw pairIn the，The free-rolling ball transfers force and motion between the screw and the nut。This transmission mode replaces the direct action mode between the screw and the nut of the traditional threaded lead screw pair，Therefore, the sliding friction of the traditional lead screw is replaced by minimal rolling friction，The transmission efficiency of ball screw pair is achieved90%above，The driving torque of the entire transmission pair is reduced to that of the sliding screw1/3around，As a result, the heat rate is greatly reduced。 2.High positioning accuracy： Low heating rate of ball screw pair，The temperature rise is small, and the lead screw is pre-stretched and pre-tightened to eliminate axial clearance during processing，The lead screw pair has high positioning accuracy and repeated positioning accuracy。
2017-08-18 Reading quantity 217
introduction：Linear displacement sensorIts function is to convert the linear mechanical displacement into an electrical signal。To achieve this effect，The variable resistance slide is usually positioned at a fixed part of the sensor，Different resistance values are measured by the displacement of the slide on the slide rail。The sensor rail is connected to the steady DC voltage，A small current allowed to flow through a microampere，The voltage between the slide and the starting end，Proportional to the length of the slide。Using the sensor as a voltage divider minimizes the need for accuracy in the total resistance of the slide，Because the resistance change caused by the temperature change does not affect the measurement result。 Use requirement： 1、The power supply voltage must be stable： Industrial power requirements±0.1%Stability of，Such as reference voltage10V，Be allowed to±0.01VFluctuation of，Or else，Will cause the display of the trap fluctuation。If the fluctuation amplitude of the display at this time does not exceed t
2017-08-18 Reading quantity 245
introduction：CWSCircular cylindrical worm reducer adopts single-stage worm reducer transmission，Meet national standardsGB9147－88，This standard reached the international level in the 1980s。The full range includes three models、Sixteen kinds of center distance、Twelve speed ratios。The input power range is0.39-189KWamong，Output torque in107－43500N.mamong。
2017-08-18 Reading quantity 259
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