Because of its high precision, high speed and reliability, CNC machine tools have been rapidly spread throughout the enterprise in the upgrading of manufacturing technology and equipment. CNC machine tool is an automatic machine tool equipped with a program control system, which makes the machine tool move and process parts according to the programmed program. It combines mechanical, automated, computer, metrology, microelectronics and other new technologies using a variety of proximity sensors.
The basic requirements for proximity sensors for CNC machine tools
1. The sensor has strong anti-interference ability and high reliability;
2. The sensor should meet the specifications and requirements of speed and accuracy;
3. The operation and maintenance of the sensor are more convenient;
4 The cost of the sensor is very low.
There are also differences in some requirements for sensors for different types of CNC machine tools, generally, high-precision, medium-sized CNC machine tools are mainly reflected in the accuracy of the sensor, while the requirements of large CNC machine tools for the sensor are mainly reflected in the speed echo.
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Torque sensors in the field of robotics – we are blessed
Torque sensor is a sensor widely used in the mechanical category, which can measure the torque of rotating objects, and torque sensors have a wide range of application scenarios, and several typical application scenarios will be introduced below. First of all, the short-term sensor is widely used in the automotive industry to measure the engine and transmission.
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Photoelectric sensor sensing mode – Doublebless
The pass-through beam device consists of an acceptor located within the line of sight of the transmitter. In this mode, an object is detected when the beam is blocked from the transmitter to the receiver.
The retroreflective device places the transmitter and receiver in the same direction, and uses the reflector to ...
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Safety barriers are available in a variety of applications
In the process of using the safety barrier, whether it is the construction stage or the daily maintenance, repeated removal of the suture is a troublesome and simple mistake. With pluggable terminals, there is no need to repeatedly disconnect the wires. The field side terminals of the safety barrier and the system side terminals are distinguished by different colors, if there are two sets of ...
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Terminology for the selection of pressure sensors – we are blessed
Pressure: The force acting vertically and evenly over a unit area. In physics, this is called "pressure".
Range: i.e. the scale of pressure. Refers to the use of sensors to measure the amount of pressure.
Medium: refers to the object to be measured. Generally steam, water, oil, acid, alkali or mixture.
Precision...
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P+F precautions for the use of safety barriers
The safety barrier, also known as the safety energy limiter, is an important part of the intrinsic safety system. There are two main types of safety barriers: P+F Zener barriers and P+f barrier barriers. The core components of the Zener barrier are Zener diodes, current-limiting resistors and fast fuse wires.
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Introduction of photoelectric switches for sensors
Photoelectric switches are what we generally call sensors. **Standard GB7665-87 defines a sensor as: a device or device that can sense the specified measured part and convert it into a usable signal in accordance with certain rules, which is generally composed of a sensitive element and a conversion element.
The sensor is a ...
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A common type of sensor – a sensor
Resistive
A resistive sensor is a device that converts physical quantities such as displacement, deformation, force, acceleration, humidity, temperature, etc. into resistance values. There are mainly resistive strain gauge, piezoresistive, thermal resistance, thermal, gas-sensitive, moisture-sensitive and other resistive sensor materials.
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Recognition of the number of pulse positions of the encoder
The pulse encoder is a rotary encoder that uses the rotation pulse for signal output, and the main characteristics are the standard shape and diversified shape structure; The internal coding is stable, the signal output qiang, and the pulse value and positioning value are clear. Therefore, when choosing this type of punching encoder, ...
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How to deal with the malfunction of the proximity sensor during work
What is the reason for the detection signal when no metal object is close to the switch?
The magnitude of the electromagnetically induced voltage is proportional to the current of the disturbance source, that is, the larger the disturbance current, the greater the disturbance voltage. If the proximity switch does not adopt any ...
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The output signal of the torque sensor is the sensor of the company
1. The basic output method of torque sensor signal is: square wave signal and pulse signal.
Voltage analog signal output or current analog signal output (unidirectional, static torque measurement) can be made according to user needs.
2. Twist ...
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Important things to do with your torque sensor – we are blessed
In the process of application, the sensor will inevitably be affected by the environment, temperature, dust and other factors, so that the equipment is aging or wearing, and if these problems are not dealt with in time, it will bury potential troubles for the future use of the equipment, resulting in large and small problems, and ...
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The inner workings of a load cell – we are blessed
A load cell is a kind of sensor that converts physical quantities into electrical signal output, and is mainly used to measure the pressure or tension of an object.
Its internal structure mainly consists of the following parts:
1. Elastomeric Element: Usually made of metal ...
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Static and dynamic characteristics of sensors – we are blessed
1. Static characteristics of the sensor
The static characteristics of a sensor are related to the static input signal, the output and input of the sensor. Since the input and output are moment-independent at this point, the connection between them (i.e., the static properties of the sensor) can be used in an algebraic equation without time variables.
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The structure of the miniature tensile pressure sensor
Based on the characteristics of fixed force measurement, the sensor principle structure is selected as a resistance strain force sensor with mature technology and low requirements for the measurement circuit, and the elastomer of one of the key components of the sensor is selected S-beam structure, as shown in Figure 1. When subjected to pressure P, the ...
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Inclination sensor application industry – we are blessed
Marine geography
Landslides, avalanches -- Dual-axis skew sensor with liquid level sensor for landslide or avalanche monitoring, through wireless data transmission to the central control system, real-time monitoring of mountain conditions, can effectively reduce the damage caused by landslides.
Construction
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The difference between sensors and transmitters – we are blessed
Sensors and transmitters are thermal surface concepts. A sensor is a general term for a device or equipment that can be measured by rules and converted into a usable output signal according to a certain rule, which is generally composed of an active element and a conversion element. When the output of the sensor is a regular canonical signal, then ...
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Analysis of mechanical damage of encoder servo
Mechanical damage is common in servo response encoder problems, including hardware damage to the internal component structure of the encoder due to mechanical oscillation, collision, impact, wear and tear. Excessive mechanical oscillations may cause damage to the encoder disc, shaft and bearing.
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Load cells with low power consumption and low cost – we are all in good hands
Types of load cells:
Electrical strain gauge load cells:
One widely used principle is the color of a resistive strain gauge (resistance strain gauge), where the resistance is changed to an electrical output, which is then passed through an instrument to measure the mass.
Capacitive load cells: low power consumption and low cost. The principle of ...
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The key factor influencing sensor performance – the company
Because the metal material is used as the elastomer of the load cell load cell, when the fine particles between the external force and the micro-strain disappear, the micro-strain disappears, but whether it can be fully recovered to the original non-stress state will be changed according to the metal data of the elastomer.
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LGS/LGM grating logistics is a "good helper" for efficient and efficient logistics
The New Year is approaching, and the flavor of the year is getting stronger; The convenience boxes of online orders and offline delivery have also made more and more consumers choose to buy New Year's goods online. E-commerce shopping festivals such as "New Year's Goods" are often encountered, which test the strength of logistics automation and intelligent logistics of major enterprises.
In the logistics distribution center ...
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