Foreign industrial robot technology is becoming more and more mature, and has now developed into a standard equipment, which is widely used in the industrial field. Industrial robots are usually divided into Japanese and European systems. The main representatives of the Japanese are Yaskawa, FANUC, Kawasaki and other companies; the European system mainly includes German KUKA, Swedish ABB, Italian COMAU and other companies. The reason for the low degree of localization of industrial robots is that the domestic brands are not as good as foreign brands in terms of host cost and reliability. Taking the average time between failures as an example, domestic products average 8,000 hours, while foreign similar products can reach tens of thousands of hours. As industrial robots enter the manufacturing sector more and more widely, the use of industrial robots will be a supplement to the labor shortage in the context of the continuous shortage of labor in China.
1. FANUC intelligent machine tool loading and unloading industrial robot
The production of bridge box parts has the characteristics of high precision, many processing steps, complicated shape and heavy weight. In order to improve the processing precision and production efficiency, various heavy-duty automobile manufacturers have used CNC machining centers to process such parts. When machining a workpiece using a CNC machining center, the workpiece is required to have a very high positioning accuracy on the table, and it is necessary to ensure the consistency of each feeding. Due to the shortcomings such as high labor intensity and poor control of feeding precision, the workpieces such as manual loading are gradually being replaced by industrial robots or special machines. Industrial robot applications have high repeatability. Unparalleled advantages such as high reliability, flexible production and high degree of automation. Compared with labor, it can greatly improve production efficiency and product quality; compared with special machines, it has the characteristics of flexible production, small investment scale, etc ...>>Click for details
2. Breakthroughs and solutions for Stäubli industrial robots in automotive flexible production lines
Stäubli has a century of experience in precision mechanical design and manufacturing and high-speed motion control. The automotive industry is one of the most used industries for Stäubli industrial robots. In response to the needs of the automotive industry, Stäubli promoted the RX160L flip-chip gantry structure robot flexible cutting system solution. As shown in the figure, the system made a major breakthrough from the following aspects:
Breakthrough 1: Large size robot wide format
Using RX160L robot, 2.05m ball working area, the cutting table width can reach 3m, the general auto parts size is in the RX160L flip-chip robot working area, and some large workpieces can also be realized through the mobile platform. The width of the table exceeds the cost of the five-axis machine. Other general robots are non-spherical working areas, so the actual cutting will encounter dead angles, forcing the cutting to be interrupted and re-arcing, which makes the automotive industry customers unacceptable ...>>Click see details
3. Nachi Industrial Robot on flexible production line
In a large number of industrial applications, we need to deal with the surface treatment and processing of many non-standard parts. Due to its surface complexity and diversity, in many cases manpower cannot be operated, and the programmable robot is also subject to the characteristics of the body. Restrictions, so the design of dedicated non-standard robots or machines has become a very important technical field, and often the application of this field requires a certain technical content. It is well known that the higher the degree of automated production, the more convenient the planning management of production, so the use of flexible general-purpose equipment is a method that is conducive to production.
Due to the individualized pursuit of people, the appearance of aluminum alloy electroplated automobile hubs tends to be complicated and diversified, and the replacement is fast. At present, in the polishing process of wheel hub production, the manufacturer uses artificial polishing, which takes up about 35% of the time and labor of the entire wheel production, and relies on skilled manual polishing workers (1 to 3/day). The large amount of dust generated during polishing jeopardizes the health of workers and causes environmental pollution. Its extremely low production efficiency and high labor intensity seriously restrict the development of enterprises.
Therefore, Nachi has developed a cost-effective polishing and polishing robot system for the automotive wheel industry ...>>Click for details
This article is from the metal processing (cold processing), 2014, issue 12.
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