Turck switch German Turck model Turck price

Turck switch is a measurement feedback device that operates based on the optical principle of gratings. Grating scales are frequently used in the closed-loop servo systems of CNC machine tools and can be used for detecting linear or angular displacement. The measurement output signal is a digital pulse, characterized by a large detection range, high detection accuracy, and fast response speed. For example, in CNC machine tools, they are commonly used to detect the coordinates of tools and workpieces to observe and track tool path errors, thereby compensating for tool motion errors. Depending on the manufacturing method and optical principle, grating scales are divided into transmission gratings and reflection gratings.

Turck switch classification

Weighing switches are classified into 8 types based on the conversion method, including photoelectric, hydraulic, electromagnetic force, capacitive, magnetic pole variation, vibratory, gyroscope, and resistance strain gauge types, with resistance strain gauge being the most widely used. 1) Photoelectric type: Includes grating type and code disk type. Grating switches convert angular displacement into optoelectronic signals using Moiré fringes formed by gratings. There are two gratings: one fixed grating and one moving grating mounted on the dial shaft. The object being weighed on the load-bearing platform rotates the dial shaft through a force transmission lever system, driving the moving grating to rotate and causing the Moiré fringes to move. Using phototubes, conversion circuits, and display instruments, the number of moved Moiré fringes can be calculated to measure the angle of grating rotation, thereby determining and reading the mass of the object. Code disk switch: The code disk (symbol plate) is a piece of transparent glass mounted on the dial shaft, featuring black and white codes arranged according to a specific encoding method. When the object on the load-bearing platform rotates the dial shaft via the force transmission lever, the code disk also rotates by a certain angle. The photocell receives the light signal passing through the code disk and converts it into an electrical signal, which is then digitally processed by the circuit, finally displaying the number representing the measured mass on the display. Photoelectric switches were mainly used in electromechanical combination scales. 2) Hydraulic type: Under the action of the gravity P of the measured object, the pressure of the hydraulic oil increases, with the increase proportional to P. By measuring the increased pressure value, the mass of the object can be determined. Hydraulic switches have a simple and robust structure and a large measurement range, but the accuracy generally does not exceed 1/100. 3) Capacitive type: It operates based on the proportional relationship between the oscillation frequency f of the capacitor oscillator circuit and the distance d between the plates. There are two plates, one fixed and the other movable. When the object is loaded onto the load-bearing platform, the leaf spring deflects, changing the distance between the two plates, which in turn changes the oscillation frequency of the circuit. By measuring the change in frequency, the mass of the object on the load-bearing platform can be calculated. Capacitive switches consume little power, have low cost, and an accuracy of 1/200 to 1/500.

Turck switch features

Resistors, inductors, and capacitors are the three major types of passive components in electronics. A capacitive switch is a switch that converts changes in the measured quantity into changes in capacitance; it is essentially a capacitor with variable parameters. Capacitive switches have the following advantages: high impedance, low power, and requiring only very low input energy. They can achieve large changes, resulting in high signal-to-noise ratio and system stability. Fast dynamic response, with operating frequencies reaching several megahertz, non-b contact measurement, suitable for both conductive and semiconductor objects. Simple structure, strong adaptability, capable of working in harsh environments such as high/low temperatures and strong radiation, with wide applications. With the development of electronic technology and computer technology, the disadvantages of capacitive switches, such as susceptibility to interference and distributed capacitance, have been continuously overcome. Additionally, capacitive grid displacement switches and integrated capacitive switches have been developed. Therefore, they are widely used in non-electrical quantity measurement and automatic detection, capable of measuring parameters such as pressure, displacement, speed, acceleration, A degree, thickness, liquid level, humidity, vibration, and component content. Capacitive switches have good development prospects.

Turck switch installation precautions

1) Handle weighing switches with care, especially small-capacity switches using aluminum alloy as the elastic body. Any impact or drop caused by vibration is likely to cause significant output errors. 2) When designing the loading device and during installation, ensure that the axis of the loading force coincides with the force axis of the weighing switch to minimize the effects of inclined and eccentric loads. 3) Regarding level adjustment. If a weighing switch is used, the installation plane of its base must be adjusted with a level until horizontal. If multiple switches are used for simultaneous measurement, their base installation surfaces should be kept as level as possible. The main purpose is to ensure that the force borne by each switch is basically consistent. 4) Determine the rated load of the switch used based on the weighing switch capacity selection specified in its instructions. 5) To prevent chemical corrosion, apply Vaseline to the outer surface of the weighing switch during installation. Avoid use in locations with direct sunlight exposure and drastic environmental temperature changes. 6) Connect bypasses made of copper braided wire to both ends of the weighing switch loading device. 7) Do not extend the cable line on your own. If extension is absolutely necessary, solder the joints and add moisture-proof sealant. 8) It is best to use some baffles to cover the switch around the weighing switch. This prevents debris from falling into the moving parts of the switch, affecting its measurement accuracy. 9) The switch cable should be kept away from high-power power lines or places with pulse waves. If avoidance is impossible, the weighing switch cable should be individually routed through an iron pipe, and the connection distance should be shortened as much as possible. 10) Determine the rated load of the switch used based on the weighing switch capacity selection specified in its instructions. Although the weighing switch itself has a certain overload capacity, such situations should be avoided during installation and use. Sometimes short-term overload may cause permanent damage to the switch. 11) For high-precision applications, the weighing switch and instrument should be used after preheating for 30 minutes.

Weidou Intelligent Technology specializes in selling German Turck switches, Turck proximity switches, Turck distance switches, Turck vision switches, Turck displacement switches, Turck weighing switches, Turck speed switches, Turck photoelectric switches, Turck position switches, Turck angle switches, Turck tactile switches, Turck temperature switches, Turck pressure switches, Turck flow switches, Turck level switches, Turck motion switches, Turck process switches, original German imports. Welcome customers to inquire and order.