At present, China's large-scale gear processing equipment has made great progress in appearance, specifications and main functions, and successfully solved the problem from scratch; especially the national "high-end CNC machine tools and basic manufacturing equipment" technology The special support for gear manufacturing equipment has narrowed the gap between the level of some large gear equipment in China and the world's top products. However, there are still some large-scale gear manufacturing equipments in China, and the existing equipment still has a large gap in reliability, stability, precision retention, processing efficiency and intelligence level, and it will eventually reach the international level. Systematic process research and technological innovation are also required on multiple levels.
In response to the existing gap and the demand for key process equipment in the future gear manufacturing, Metalworking Online interviewed Shi Zhaoyao, a professor of China's gear industry and a professor at Beijing University of Technology. Professor Shi introduced us to the Gear Industry Technology Roadmap. Development goals of processing key process equipment:
(1) Develop high-precision, high-efficiency, large-scale CNC cylindrical gear grinding machine and bevel gear grinding machine to change the situation that China's large-scale and high-grade grinding gears rely on imports.
(2) Develop dry gear hobbing machines and hard tooth hobbing machines, and develop special milling machine tools such as large bevel gear milling machines.
(3) Develop high-efficiency hobbing tools, develop tool coating materials and technologies, expand the application of cemented carbide and CBN tools, and develop grinding gears with high material removal rate, long service life and low dressing frequency.
(4) Develop high-grade CNC induction hardening machine tools, and develop new intelligent, high-efficiency, low-cost, environmentally-friendly gear carburizing, nitriding and other heat treatment equipment.
(5) Develop a large-scale gear in-position measurement system based on laser tracking measurement technology and indoor laser radar technology, develop a micro-gear measuring machine based on fiber optic probe, and develop a gear coupled to the gear production line in combination with the robot hand-cutting Sorting measuring machines, etc.
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