The application range of grating ruler is very wide, especially in the field of CNC machine tools processing, it has in-depth and extensive applications, such as lathes, milling machines, grinding machines, boring machines, drilling machines, electric discharge machining machines, etc.The grating ruler can accurately measure the displacement of the tool or workbench, realize high-precision machining of the workpiece, and ensure the accuracy of the machining size and surface quality.For example, in the processing of precision parts, the grating ruler can feedback the position information of the tool in real time, so that the machining accuracy reaches the micron level or even higher.
CNC machine tools are an important field of grating ruler application.CNC machine tools require precise position control and trajectory control of the processing process. As a position feedback element, the grating ruler can accurately feed back the position information of each axis of the machine tool to the CNC system to achieve high-precision closed-loop control, thereby improving machining accuracy, efficiency and stability.
There are mainly the following reasons for choosing a grating ruler：
| 1. High-precision measurement | High resolution:
The engraving density of the grating ruler is high, which can provide very fine measurement resolution.For example, in the machining of CNC machine tools, for the high-precision machining requirements of parts, the grating ruler can accurately measure the small displacement changes of the tool or workpiece, thereby ensuring the machining accuracy.The resolution of common grating scales can reach the micron or even submicron level, which can meet various high-precision measurement needs. High-precision error control: The manufacturing accuracy of the grating ruler is high, and its measurement error can usually be controlled within a very small range.For some equipment and processes that require extremely high position accuracy, such as semiconductor manufacturing, precision instrument processing, etc., the grating ruler can provide accurate and reliable position feedback to ensure the high-precision operation of the equipment. |
| 2.Real-time monitoring and feedback | Dynamic measurement:
The grating ruler can measure the displacement or motion state of the object in real time, and quickly feed the measurement results back to the control system.This is very important for automation equipment, CNC machine tools, etc. that need to be monitored and adjusted in real time. Position deviations or abnormal motion can be found in time so that the control system can quickly make adjustments to ensure the normal operation and machining accuracy of the equipment. Closed-loop control: In the automation control system, the grating ruler, as an important feedback element, forms a closed-loop control with the control system.By continuously feeding the actual position information back to the controller, comparing it with the set value and correcting the error, precise control of the position and movement of the equipment can be achieved, and the stability and reliability of the system can be improved. |
| 3.High-speed response | Fast measurement:
The reading head of the grating ruler can quickly read the scale information on the grating, and the response speed is very fast, which can meet the measurement needs of high-speed sports equipment.In application scenarios such as high-speed processing and high-speed automated production lines, the grating ruler can measure the position and speed of movement of objects in a timely and accurate manner, provide real-time feedback information for the control system, and ensure the high-speed operation and precise control of the equipment. Adapt to high-speed changes: For some equipment with rapid changes in position or motion state, the grating ruler can quickly track the measurement and reflect the changes in position in a timely manner, so that the control system can respond in a timely manner to avoid control errors caused by measurement lag. |
| 4.High stability and reliability | Simple structure:
The structure of the grating ruler is relatively simple. It is mainly composed of two parts: the ruler grating and the grating reading head. There are no complex mechanical transmission components, so it is not susceptible to mechanical wear, loosening and other factors. It has high stability and reliability. Strong anti-interference ability: The grating ruler adopts the principle of photoelectric measurement and has a strong resistance to interference from the external environment (such as electromagnetic interference, vibration, dust, etc.).In harsh working environments, such as CNC machine tool processing sites, automated production lines, etc., the grating ruler can still work stably to ensure the accuracy of the measurement. Long service life: The materials and manufacturing processes of the grating ruler have been carefully designed and selected to have a long service life.As long as it is used and maintained correctly, the grating ruler can maintain good measurement performance for a long period of time, reducing the maintenance cost and replacement frequency of equipment. |
| 5. Wide scope of application
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A variety of measuring objects:
The grating ruler can be divided into linear grating and circular grating according to the different measuring objects, which are used to measure linear displacement and angular displacement respectively.Therefore, grating scales are widely used in various equipment and occasions that need to measure displacement or angle, such as CNC machine tools, automation equipment, robots, precision instruments, aerospace equipment, etc. Multiple installation methods: The installation method of the grating ruler is more flexible, and it can be selected according to different equipment structures and installation spaces.For example, the ruler of the grating ruler can be installed on the workbench or guide rail of the CNC machine tools, the reading head can be installed on the fixed parts of the machine tool, or other special installation methods can be used to meet specific measurement needs. |
| 6. Brand | Like Heidenhain , Sony, Renishaw, etc. are common and famous overseas brands, as well as Chinese-made scale brand Sino, etc. are also slowly out of the country. |
Shanghai ANTISHICNC is a professional manufacturer of metal cutting machine, we have rich experience in production and processing,can recommend the right equipment for your product, and give the right advice on the use of the scale, can provide you with professional technical support. If you need CNC machine tools, welcome to contact Shanghai ANTISHICNC.
Tags:CNC machine tools,Grating ruler ,linear encoder,cnc machines accuracy
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