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What are the machining methods of large grinding machine machining centers?

What are the machining methods of large grinding machine machining centers?

1、 Clamping method of elastic gasket When grinding the thin workpiece on the grinder, an elastic clamping mechanism is used to make the thin workpiece locate and clamp in a free state. A layer of 0.5mm thick rubber is placed between the workpiece and the magnetic worktable. When the workpiece is subjected to magnetic attraction, the rubber is compressed and the elastic deformation becomes smaller, so that the flat and straight surface of the workpiece can be ground. Repeated grinding several times can meet the requirements of machining accuracy. 2、 Use temporary measures to strengthen the rigidity of sheet workpieces The thin workpiece is bonded to a flat plate in a free state with epoxy resin binder. The flat plate is placed on the magnetic chuck together with the sheet. After smoothing one end of the sheet, remove the sheet workpiece from the plate, place the smoothed side on the magnetic chuck, and then grind the other end of the sheet workpiece. Because the epoxy resin has fluidity before hardening, it can fill the gap between the sheet workpiece and the flat plate. When the epoxy resin hardens, the workpiece and the flat plate are bonded together as a whole, thus greatly enhancing the rigidity of the workpiece. Under the magnetic attraction, the wafer workpiece will not produce clamping deformation, creating conditions for grinding out a flat plane. Thick grease can also be used to replace epoxy resin to fill the gap between the thin workpiece and the magnetic chuck, so as to enhance the rigidity of the workpiece, which can also achieve good results.

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What are the correct operating steps in the work of a large gantry machining center?

What are the correct operating steps in the work of a large gantry machining center?

a. Use properly and operate correctly according to the equipment manual. Overload, super performance and super standard use are prohibited. b. When the first piece is programmed for trial processing, the operator shall closely cooperate with the programmer, and the formal processing can be started only after the procedure is confirmed to be correct. c. When installing the tool, the handle and spindle taper hole and positioning shall be wiped clean. d. Workpieces and tools must be firmly installed around. Prevent collision with the machine tool when loading and unloading workpieces. Heavy parts and fixtures shall be loaded and unloaded with a crane or assisted by others. e. During the processing, the operator shall not leave the post without permission or entrust others for custody, and shall not do anything irrelevant to the work. Press the "Pause" button to leave the post temporarily. The "emergency stop switch" shall be used correctly, and it is strictly prohibited to switch off the power at will during work. f. It is prohibited to place work card measuring tools, stack parts and irrelevant objects on the equipment guide rail surface and workbench. It is not allowed to step on the protective covers, and it is not allowed to wear shoes with metal nails to step on the worktable. g. Pay attention to abnormal phenomena during equipment operation, stop the machine in time in case of failure, take measures, and record and display the fault contents. In case of an accident, stop and power off immediately, protect the site, report it in time, do not hide your chest, and cooperate with the competent department for analysis and investigation.

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Core value of industrial chain in high-end CNC machine tool manufacturing industry

Core value of industrial chain in high-end CNC machine tool manufacturing industry

1、 Overview of CNC machine tool industry chain Upstream of CNC machine tool industry 1. Numerical control system field, including display, sensor, servo motor, etc; 2. Basic casting parts, including casting parts of bed base, saddle workbench and sheet welding parts of internal and external protective plates; 3. Functional parts, including precision functional parts for spindle, linkage parts, bearings, manipulators, etc; 4. In the field of electronic components, it is used for circuit breakers, relays, transformers and other basic electronic components; 5. In the field of precision tools, it is used to process and cut various types of tool towers and tool libraries for blanks and workpieces.

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What is the position of CNC machine tool machining in the manufacturing industry?

What is the position of CNC machine tool machining in the manufacturing industry?

In the past, precision parts and small batch parts accounted for the majority of manufacturing products. Due to the large variety of such products and high precision requirements, ordinary machine tools were generally selected for processing, but it was difficult to ensure product quality. In order to solve the production efficiency and high precision requirements of mass production, high-precision and highly automated CNC machine tools are generally used. CNC machine tool is composed of output input structure, CNC structure, servo system and controlled system. CNC machine tools can be divided into: ordinary CNC machine tools and CNC machining centers ordinary CNC machine tools cannot achieve full automation, tool replacement and parts clamping still need to be completed manually. CNC machining center is a CNC machine tool with its own tool library and automatic tool change. After one clamping, it can realize continuous machining in multiple processes. CNC multi axis machining center has developed rapidly in recent years because of reducing errors and improving part accuracy and machining efficiency. CNC machine tools can solve the small batch production of single pieces and the automatic processing of complex parts. CNC processing is an advanced processing technology in the manufacturing industry. It has brought long-term changes to the product structure and production mode of the manufacturing industry, enabling the manufacturing industry to achieve automation and integrated production.

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What factors will affect the machining accuracy of the gantry machining center?

What factors will affect the machining accuracy of the gantry machining center?

The structure of the gantry machining center is very different from the traditional machining center equipment with similar stroke. Generally, the X axis stroke is more than 2 meters. It is recommended that users use the CNC gantry. First of all, workpieces above 2M are generally large. The rigidity and stability of the machine tool must be guaranteed to ensure the machining accuracy and the service life of the gantry machining center machine tool. In addition, from the perspective of processing stability, cost, practicability and use status of the machine, gantry type is generally recommended. The structure of gantry machining center equipment is more stable. Its gantry type double column structure is more solid and stable than the C-type single column structure, and its accuracy and machine rigidity are more guaranteed. The overhang of the machining box of the gantry machining center is shorter than that of the C-shaped steel, which ensures that the original machining accuracy of the gantry machining center is higher than that of the C-shaped steel, and it can be used for a long time. What are the factors affecting the machining accuracy of gantry machining center Gantry machining center screw vacancy: the positioning accuracy of the gantry machining center directly affects the processing accuracy of the workpiece, and the temperature is crucial to the positioning accuracy. If there is no machine with constant temperature working environment, it is necessary to let the machine idle before processing every day to make the machine temperature match the outside temperature. When the gantry machining center processes, it is necessary to frequently check the reverse position of the lead screw.

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Make the development of smart device suite easier and cheaper

Make the development of smart device suite easier and cheaper

As we all know, the biggest challenge facing the intellectualization of traditional equipment and the Internet of Things is how to inherit the latest technology on the existing infrastructure, how to obtain the highest benefit with the lowest cost-effective expenditure, and how to make full use of the Lianiot development platform to carry out data statistics and analysis to support operational management decisions. Before completing these challenges, you must first let the equipment network. With the development of technology and the expansion of the application scenario of the Internet of Things, the development of common wireless communication protocols based on Wifi, 2G, 4G, etc. and the networking of devices become simple. However, due to the variety and complexity of protocols involved in traditional devices, such as Bluetooth, 433, 232, 485, zigbee, etc., it is impossible to directly access the WAN. It is time-consuming and laborious for R&D engineers to understand the differences of various communication methods when multiple protocol conversions are involved. By presetting Gagent on the module, you can achieve a safe and seamless data flow between the device and the cloud. Developers need not pay attention to the underlying network transmission processing. In addition, by using a unified processing method for all types of devices, developers do not need to understand the differences of various communication methods. They can use a unified interface to control these devices, which not only shortens the development time, but also reduces the cost of intelligent devices.

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Enable safe and seamless data flow between devices and cloud

Enable safe and seamless data flow between devices and cloud

As we all know, the biggest challenge facing the intellectualization of traditional equipment and the Internet of Things is how to inherit the latest technology on the existing infrastructure, how to obtain the highest benefit with the lowest cost-effective expenditure, and how to make full use of the Lianiot development platform to carry out data statistics and analysis to support operational management decisions. Before completing these challenges, you must first let the equipment network. With the development of technology and the expansion of the application scenario of the Internet of Things, the development of common wireless communication protocols based on Wifi, 2G, 4G, etc. and the networking of devices become simple. However, due to the variety and complexity of protocols involved in traditional devices, such as Bluetooth, 433, 232, 485, zigbee, etc., it is impossible to directly access the WAN. It is time-consuming and laborious for R&D engineers to understand the differences of various communication methods when multiple protocol conversions are involved. By presetting Gagent on the module, you can achieve a safe and seamless data flow between the device and the cloud. Developers need not pay attention to the underlying network transmission processing. In addition, by using a unified processing method for all types of devices, developers do not need to understand the differences of various communication methods. They can use a unified interface to control these devices, which not only shortens the development time, but also reduces the cost of intelligent devices.

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New Opportunities Brought by the New Situation of Prosperity in Production and Sales of New Energy Vehicles

New Opportunities Brought by the New Situation of Prosperity in Production and Sales of New Energy Vehicles

The output of new energy vehicles in China has reached more than 500000, compared with 10000 in 2011. The growth in five years is about 50 times, and the development of new energy vehicles in China ushers in a period of rapid growth. The Assistant Secretary General of the Automobile Industry Association said that at present, China has become the world's largest market for new energy vehicles. In 2016, it achieved the first in the world in terms of the supply capacity of new energy vehicles, annual production and sales, ownership, construction and operation of public charging piles. Roland Berger recently released the Report on the Global Electric Vehicle Development Index in the Second Quarter of 2017, which also revealed this trend: China ranked first in the world in the electric vehicle development index. "The prosperity of production and sales of electric vehicles in China depends on the rapid development of related technologies." "Take the battery, a key component of electric vehicles, for example. Five years ago, the range of electric vehicles in China was only 100 kilometers. Now the battery cost has been reduced by nearly half, the performance has been improved by 30%, and the range has been increased to 300 kilometers." With the reduction of battery cost and the improvement of performance, more large commercial vehicles have also started to attempt electrification. New energy vehicles have entered the field of public transport. Logistics vehicles, refrigerated vehicles, sightseeing buses and city buses have all been launched with mature new energy models. By the end of 2016, the total number of new energy buses in China had exceeded 160000, and the number of new energy taxis had reached 18000. "The ecology of the global automobile industry is being reshaped, and new energy vehicles and intelligent connected vehicles have become an important opportunity for China to transform from a large automobile country to a powerful automobile country." Under this situation, "new forces of car making" are constantly pouring into China's new energy and smart car industry. According to the data of China Automotive Technology Research Center, there are more than 200 new energy automobile enterprises in China, including BAIC, SAIC, Chang'an and other traditional automobile enterprises, as well as Internet companies and communication enterprises. "There are many cross-border cooperation and attempts in the field of new energy vehicles at home and abroad." "The influence of 'new forces of car making' cannot be underestimated. The joining of Internet background enterprises is a new blood, which has promoted the continuous innovation and upgrading of the automobile industry." Behind the prosperity of both production and sales and the emergence of new business types and models, we should also see the gap between new energy vehicles and advanced technologies. The market prospect of new energy vehicles in China is very broad, but it is the vehicle itself that determines the future pattern of the automobile industry in the final analysis. The future of China's new energy vehicles still needs to be realized through technological breakthroughs and improving the overall performance of vehicles.

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