0.05mm！给卫星刻出“千里眼”

Core Viewpoint - The article highlights the exceptional skills of Zhang Zhizhong, a senior technician at China Electronics Technology Group Corporation, who specializes in precision machining for aerospace components, emphasizing the importance of innovation and meticulous craftsmanship in the industry [3][20]. Group 1: Precision Machining - Zhang utilizes a milling cutter with a diameter of only 0.05 millimeters, showcasing the extreme precision required in his work [4][3]. - The machining process demands absolute stability, as even slight vibrations can lead to significant errors, with each cut needing to be controlled within 0.005 millimeters [4][6]. - The completed product includes a channel with a diameter of 0.06 millimeters, crucial for satellite microwave emissions [6][7]. Group 2: Aerospace Applications - Zhang's workshop is currently the only one in China capable of producing high-frequency waveguide components that meet mass production standards [7]. - His team has been responsible for protecting critical components of spacecraft, ensuring they can withstand harsh conditions in space [9][11]. - The mission of Zhang's team has been to reduce the weight of components, with every gram saved being a significant contribution to aerospace engineering [11][13]. Group 3: Innovation and Challenges - Zhang's team faced the challenge of reducing the thickness of a protective shell from a record 5 millimeters to 1.5 millimeters, overcoming industry-recognized difficulties related to material deformation [13][17]. - After more than a year of effort, they achieved this reduction while maintaining structural integrity and precision [17]. - Zhang emphasizes the importance of continuous innovation and dedication to quality in every task, regardless of its perceived significance [20].