Company Filing History:
Years Active: 2020
Title: Innovations by Chunling He in Drilling Technology
Introduction
Chunling He is an accomplished inventor based in Liaoning, China. She has made significant contributions to the field of drilling technology, particularly in the development of tools designed for carbon fiber reinforced polymers (CFRP). Her innovative approach has led to advancements that enhance drilling performance while minimizing damage to materials.
Latest Patents
Chunling He holds a patent for a unique invention titled "Sawtooth structure with reversed cutting function and its drill series." This invention presents a sawtooth structure that is specifically designed for drilling low-damage holes in CFRP. The sawtooth structure consists of sawteeth and grooves located on the cutting edges of the drill. It features a helical arrangement with a specific helix angle around the drill's axis. The invention can be classified into left-hand and right-hand helix sawtooth structures based on the helix angle value. The design effectively reduces delamination at both the entrance and exit of holes, as well as burr defects.
Career Highlights
Chunling He is affiliated with Dalian University of Technology, where she continues to innovate and contribute to research in drilling technologies. Her work has led to the development of various drilling tools, including double point angle drills, twist drills, and stepped drills, all incorporating the sawtooth structure. These tools are designed to achieve CFRP holes with minimal drilling defects, significantly improving drilling performance, extending tool life, and reducing costs.
Collaborations
Chunling He has collaborated with notable colleagues, including Zhenyuan Jia and Fuji Wang, to further enhance the impact of her inventions in the field of drilling technology.
Conclusion
Chunling He's innovative contributions to drilling technology, particularly her patented sawtooth structure, demonstrate her commitment to advancing the field. Her work not only improves drilling efficiency but also addresses critical challenges in working with CFRP materials.