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Advanced composite materials give robots more possibilities

Views: 202     Author: Site Editor     Publish Time: 2021-01-29      Origin: Site

At present, the main materials for robot manufacturing are still high-strength steel and aluminum alloys. The application of carbon fiber, magnesium alloy and other composite materials is subject to application costs and technical levels, and there is still a lot of room for urgent expansion. Lightweight is one of the core issues of robot design and manufacturing. How to effectively reduce its own weight is of great significance to robots: First, lighter weight can save operating energy, reduce the frequency of robot charging and extend the use time, in long cycles Reduce the cost of use during use; secondly, many working environments have strict requirements on the self-weight of the robot. Excessive structural materials will directly affect the safety of use. Lightweight materials are necessary for robots in limited working environments; , Lightweight and high-strength materials can also increase the load ratio of the robot, give the robot more functional conditions, and enhance the robot's market competitiveness.

The performance advantages of carbon fiber materials have received a certain amount of attention in the early stage of the robot manufacturing industry. There are also many application cases in various types of robots, but whether it is the proportion of the entire robot material or its application in the robot The form needs to be further improved and innovated. The carbon fiber parts manufacturing industry must not only keep up with the development rhythm of the robotics industry, but also consciously strengthen the deep integration between the two industries.

One is to accelerate the product development of carbon fiber composite materials and provide different carbon fiber parts and raw materials for the robot industry.

The carbon fiber robot products currently in use are mainly structural parts for the robot body, such as robot shells, robot arm tubes, and robot joint shells. Most of these materials are thermoset carbon fiber composite materials. However, the high temperature resistance and wear resistance of commonly used thermosetting carbon fiber composite materials cannot meet the special requirements of high-precision parts in robots for high strength and wear resistance. In order to make up for the domestic application gap in continuous carbon fiber reinforced thermoplastic composite materials, continuous carbon fiber reinforced PA6PPSPEEK and other thermoplastic products have further improved the high temperature resistance and wear resistance of carbon fiber composite materials on the basis of the original high strength and light weight. It has enriched the types of raw materials for carbon fiber robot parts and opened up new application directions for carbon fiber composite materials.

The second is to promote the in-depth application of carbon fiber composite materials in the robotics industry from the cost of raw materials and application value.

From the perspective of carbon fiber parts manufacturing, only by optimizing the process flow, high efficiency production efficiency and reliable product performance can the application advantages of carbon fiber materials in the robot manufacturing industry be effectively guaranteed. For example, a carbon fiber telescopic robotic arm tube of a certain company is much more expensive than a traditional metal arm tube, but it provides more than 1/3 of the lightweight effect for the robot, saving about 60% of the annual electricity consumption. Extend the working time by 1.5 times, and add three new auxiliary functions to it through new load equipment.

The third is to build a platform for the joint development of the carbon fiber application industry and the robot industry to promote the common development of both parties.

The globalization of the industrial process has gradually matured, and the demand for industrial robots has always been in a strong state, but the market has placed higher and higher requirements on robots. Perfect, efficient, precise, safe and energy-saving industrial robots require the cooperation of talents from multiple disciplines such as mechanics, materials science, automation, computer and bionics. The carbon fiber application industry cannot wait for demand, but must actively participate in the robot design and manufacturing industry, seeking new development opportunities in a cross-industry platform. (Source: New Materials Daily)

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