Baumer gmbh switch Germany Baumer gmbh model Baumer gmbh price

Baumer gmbh switch, also known as torque switch, torsion switch, torque switch, or torque meter, is divided into two main categories: dynamic and static. Among these, dynamic torque switches are also called torque switches, torque-speed switches, non-contact torque switches, or rotary torque switches. Torque switches detect the sensing of torsional moment on various rotating or non-rotating mechanical components. Torque switches convert the physical changes of torsional force into precise electrical signals. Torque switches can be applied in the manufacture of viscometers and electric (pneumatic, hydraulic) torque wrenches. They offer advantages such as high precision, fast frequency response, good reliability, and long service life.

Baumer gmbh switch industry applications

A torque switch is a precision measuring instrument for measuring various torques, rotational speeds, and mechanical power. It has a wide range of applications, mainly used for: 1) Detection of output torque and power of rotating power equipment such as motors, engines, and internal combustion engines; 2) Detection of torque and power of fans, water pumps, gearboxes, and torque wrenches; 3) Detection of torque and power in railway locomotives, automobiles, tractors, aircraft, ships, and mining machinery; 4) Can be used for detection of torque and power in sewage treatment systems; 5) Can be used in the manufacture of viscometers; 6) Can be used in process industries and flow industries; 7) Can be applied in laboratories, testing departments, as well as production monitoring and quality control. 1) Detection of output torque and power of rotating power equipment such as motors, engines, and internal combustion engines; 2) Detection of torque and power of fans, water pumps, gearboxes, and torque wrenches; 3) Detection of torque and power in railway locomotives, automobiles, tractors, aircraft, ships, and mining machinery; 4) Can be used for detection of torque and power in sewage treatment systems; 5) Can be used in the manufacture of viscometers; 6) Can be used in process industries and flow industries; 7) Can be applied in laboratories, testing departments, as well as production monitoring and quality control;

Baumer gmbh switch classification

1) Non-contact torque switch In a non-contact torque switch, the input shaft and output shaft are connected by a torsion bar. The input shaft has splines, and the output shaft has keyways. When the torsion bar twists under the torque applied to the steering wheel, the relative position between the splines on the input shaft and the keyways on the output shaft changes. The change in relative displacement between the splines and keyways equals the twist of the torsion bar, causing a change in magnetic flux density on the splines. This change in magnetic flux density is converted into a voltage signal via coils. Due to its non-contact operating mode, the non-contact torque switch offers long service life, high reliability, resistance to wear, lower delay, and minimal influence from shaft deflection and axial offset. It is widely used in the passenger car sector. Common types of non-contact torque switches include strain gauge, magneto-electric, fiber optic, and photoelectric switches. Strain gauge non-contact switches utilize wireless transmission technology. With advancements in technology and wireless transmission, the conductive slip rings and brush arms previously used for output signals in contact strain gauge switches can now be replaced by wireless transmission modules. This overcomes wear between slip rings and brush arms, improving measurement accuracy. Magneto-electric torque switches operate on the principle of magneto-electric conversion, analyzing the phase difference of electromotive force signals from two outputs to measure torque. They are mainly classified into closed magnetic circuit switches and open magnetic circuit switches. Fiber optic torque switches primarily use light reflection and phase difference principles. They read light signals reflected from two corresponding positions on the shaft and calculate the phase difference to determine the torque value. However, fiber optic switches are susceptible to environmental influences and are relatively difficult to install and debug. Photoelectric torque switches use photoelectric sensing elements as core components. When torque is applied to the drive shaft, the intensity of light emitted by the source changes accordingly, causing a change in the output current of the photoelectric element. Measuring this change allows calculation of the torque value. [3] 2) Strain gauge torque switch Strain gauge switch torque measurement employs strain electrical measurement technology. Strain gauges are bonded to the elastic shaft to form a measurement bridge. When the elastic shaft undergoes slight deformation due to torque, the resistance of the bridge changes. This change in resistance is converted into an electrical signal change, thereby achieving torque measurement. The switch completes the following information conversion; it consists of an elastic shaft, measurement bridge, instrumentation amplifier, and interface circuit. 3) High-performance wireless switch High-performance wireless torque switches combine the switch with wireless communication technology to achieve wireless data transmission. The torque electrical signal is amplified and undergoes A/D conversion by a microcontroller-controlled signal processing circuit. An encoder encodes the collected digital quantity and transmits it to the transmission module for sending. After the receiving module receives the data, a decoder translates the data and sends it to the microcontroller, which displays the obtained torque data value via LED. The switch data acquisition and transmission circuit consists of the torque switch, signal processing section, microcontroller, and wireless transmission circuit. The torque switch transmits the strain electrical signal generated by the resistance strain gauge to the signal processing circuit. The signal processing section extracts and amplifies the analog signal from the switch and performs analog-to-digital conversion. The microprocessor controls the operation of various components in the system and processes the digital signals. Under the control of the microprocessor, the wireless transmission circuit uses an encoder to encode and process the collected information data, which is then transmitted by the emission module to achieve wireless transmission. 4) Electronic switch An electronic torque meter is a portable, high-performance shaft power measuring instrument designed for fan and water pump testing and on-site energy efficiency evaluation. The electronic torque meter creatively eliminates the cumbersome, complex, and often impractical installation process of traditional electromechanical torque switches in many field environments. It enables real-time measurement of fan and water pump motor efficiency, monitors the operational status of fan and water pump motors at various stages during use, and provides real-time, authentic, and reliable data for studying their usage status. This avoids impacts on test results caused by improper installation of electromechanical torque switches. The electronic torque meter can completely replace the shaft power measurement function of traditional torque switches and obtain the real-time efficiency of fan and water pump motors, providing a rigorous and scientific evaluation method for energy saving in fan and water pump units.

Baumer gmbh switch precautions for use

1) During installation, do not operate while energized. Do not directly strike or collide with the switch. 2) Tighten the fastening bolts of the coupling. Add a protective cover to the outside of the coupling to avoid personal injury. 3) The signal line output must not be grounded or short-circuited to the power supply. The output current must not exceed 10mA. The shield layer of the shielded cable must be connected to the common terminal (power ground) of the +15V power supply. 4) In daily metrological verification and calibration work, torque switches are typically calibrated using torque standard machines. Since torque switches have high precision, usually Class 1 and above, another important factor affecting measurement results in actual work, besides the uncertainty of the torque standard machine itself, is the connection quality between the switch and the torque standard machine. Especially in the calibration of high-precision torque switches, when not considering the uncertainty of the torque standard machine itself, the quality of the connection will directly affect the accuracy of the measurement results. In existing torque switch measurement methods, the switch is usually connected in series with the torque standard machine for calibration. Therefore, issues regarding the reliability of connection quality inevitably arise during calibration. In the past, to ensure stability and firmness of connection installation, rigid connections were typically used. This method brings many inconveniences to inspectors during assembly and disassembly. Additionally, due to the machining precision of parts and the existence of fit clearances, the coaxiality between measurement shaft systems changes significantly during actual measurement, seriously affecting the accuracy of measurement results. Although this defect can be reduced by laser alignment devices, influenced by various factors and differences in manual installation levels, coaxiality remains a major uncertainty factor in the metrology process during actual loading of the torque switch.

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