Home | State Key Laboratory of Ultra-precision Machining Technology

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href="javascript:void(0)" id="skip-start" tabindex="-1">Start main content</a> <div class=""> <div class="search-w-pop-list"> <div class="container"> <div class="search-w-pop-list__inner color-set--red"> <h1 class="search-w-pop-list__title">State Key Laboratory of Ultra-precision Machining Technology (SKL-UPMT)</h1> </div> </div> </div> </div> <div> <div class="line-cover-banner color-set--red"> <div class="container"> <div class="line-cover-banner__inner color-set--red"> <div class="line-cover-banner__list-container extend-line-banner js-slick-container js-slick-container--vert-dot js-slick-container--white"> <div class="js-slick extend-line-banner__list" data-slick-option="{"autoplaySpeed":"7000"}"> <div class="extend-line-banner__itm js-slick-itm"> <div class="extend-line-blk"> <a href="/sklumt/About-SKL-UPMT/Background" target="_blank" > <div class="extend-line-blk__imgw"> <div class="extend-line-blk__ctrl img--abs-w"> <img class="img--abs" 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srcset="/sklumt/-/media/Department/SKLUMT/Banner/Hero/Banner_Geneva2023.png?bc=ffffff&h=524&iar=1&w=1196&rev=f69677cd7cf8453e834b441b1e9abc7a&hash=296010527266B800E25581AAE2662470 1x, /sklumt/-/media/Department/SKLUMT/Banner/Hero/Banner_Geneva2023.png?bc=ffffff&h=1048&iar=1&w=2392&rev=f69677cd7cf8453e834b441b1e9abc7a&hash=F318090469AAF5E9DDC331D61709F743 2x" alt="1"> </div> </div> </a> </div> </div> </div> </div> </div> </div> </div> </div> <main class="page-content" tabindex="-1"> <div style="margin:1em 0em 0em 0em;"> <div style="min-height:20px;">  <div class=""> <div > <div class=" "> <div> <div id="quote-ppl-blk--right" class="quote-ppl-blk quote-ppl-blk--right color-set--red component-padding-top--t2 "> <div class="container"> <div class="quote-ppl-blk__inner"> <div class="quote-ppl-blk__quote-wrap"> <div class="quote-blk quote-ppl-blk__quote "> <div class="quote-ppl-blk__quote-text"><span style="background-color: #ffffff; text-align: justify; color: #000000;">Ultra-precision Machining Technology is a multi-disciplinary research area, which forms the backbone and support of today’s innovative technology industries from optoelectronics and mechatronics, optics, and telecommunications to biomedical engineering.</span><br /></div> </div> </div> <div class="ppl-info-side-blk quote-ppl-blk__info"> <div class="ppl-info-side-blk__img-w"> <div class="ppl-info-side-blk__img-ctrl img--abs-w"> <img class="img--abs" src="/sklumt/-/media/Department/SKLUMT/People/private/Cheung-Benny.jpg?bc=ffffff&h=300&w=270&rev=6c4447eed0624c2c88d3727099f622c9&hash=B23F78C45E708DB78A5C6E007E42B277" srcset="/sklumt/-/media/Department/SKLUMT/People/private/Cheung-Benny.jpg?bc=ffffff&h=300&w=270&rev=6c4447eed0624c2c88d3727099f622c9&hash=B23F78C45E708DB78A5C6E007E42B277 1x, /sklumt/-/media/Department/SKLUMT/People/private/Cheung-Benny.jpg?bc=ffffff&h=600&w=540&rev=6c4447eed0624c2c88d3727099f622c9&hash=8D03A6C4F30D8FECC03FF50DEA72A188 2x" alt="Beny-Cheung"> </div> </div> <div class="ppl-info-side-blk__info"> <div class="ppl-info-side-blk__title theme-color-text"> <div class="ppl-info-side-blk__title-text"><span>Chair Professor of Ultra-precision Machining and Metrology</span> and Director of SKL-UPMT</div> </div> <a href="/sklumt/About-SKL-UPMT/Message-from-Director" target="_blank" class="underline-link"><p class="ppl-info-side-blk__name">Ir Prof. Benny C.F. Cheung</p></a> </div> </div> </div> </div> </div> </div> </div> </div> </div><div class=""> <div > <div class="ITS_Content_Highlight_Collection "> <div class="bg-and-color-plate color-set--red " style=""> <div class="container "> <div class="bg-and-color-plate__inner"> <div class="component-text-content theme-color-bgtext"> <h2 class="theme-color-bgtext component-margin--no-bottom h2 text-center"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="underline-link"><span class="underline-link__line">Research Directions</span></a> </h2> <div class="static-content static-content--less-line-height text-center"> <p>With respect to the up-to-date global trend of ultra-precision machining technology development and the growing demand for precision manufacturing technology in the nation, the SKL-UPMT has defined the following research directions:</p> </div> </div> <div class="multi-grid-slider"> <div class="multi-grid-slider__container js-slick-container js-slick-container-multi-grid js-slick-container-circle-left-right-arrow"> <div class="multi-grid-slider__list js-slick"> <div class="multi-grid-slider__item js-slick-itm"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="grid-title-blk"> <div class="grid-title-blk__inner"> <p class="grid-title-blk__title js-dot">Micro and nano machining mechanics</p> <div class="grid-title-blk__text js-dot">To conduct basic research to investigate the cutting mechanics and micro/nano surface generation mechanisms of ultra-precision machining technology with machining accuracy at the sub-micrometre level and surface roughness at the nanometre level.</div> </div> </a> </div> <div class="multi-grid-slider__item js-slick-itm"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="grid-title-blk"> <div class="grid-title-blk__inner"> <p class="grid-title-blk__title js-dot">Advanced ultra-precision machining technologies and processes</p> <div class="grid-title-blk__text js-dot">To research new theories, new processes and new technologies in ultra-precision machining, and conduct process and technical analysis for new requirements and new challenges in scientific research and industrial development.</div> </div> </a> </div> <div class="multi-grid-slider__item js-slick-itm"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="grid-title-blk"> <div class="grid-title-blk__inner"> <p class="grid-title-blk__title js-dot">Freeform surface metrology</p> <div class="grid-title-blk__text js-dot">The success of ultra-precision machining technology relies heavily on the associated technologies for precision metrology and freeform surface measurement to validate the quality of the surfaces being machined with sub-micrometre form accuracy and surface finish in the nanometre range.</div> </div> </a> </div> <div class="multi-grid-slider__item js-slick-itm"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="grid-title-blk"> <div class="grid-title-blk__inner"> <p class="grid-title-blk__title js-dot">Equipment for ultra-precision machining</p> <div class="grid-title-blk__text js-dot">To research and develop ultra-precision machining equipment and accessories for specific machining tasks. Although a lot of progress has been made in ultra-precision machining technology, there are still many areas that require further enhancement in ultra-precision machining equipment.</div> </div> </a> </div> <div class="multi-grid-slider__item js-slick-itm"> <a href="/sklumt/Research/Research-Directions" target="_blank" class="grid-title-blk"> <div class="grid-title-blk__inner"> <p class="grid-title-blk__title js-dot">Advanced optics manufacturing and its applications</p> <div class="grid-title-blk__text js-dot">To conduct interdisciplinary research to develop new applications and new precision manufacturing technology for advanced optics and functional surfaces based on ultra-precision machining technology.</div> </div> </a> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div > <div class="ITS_Nona_VideoForNewsAndEvents component-margin-top--t2 component-margin-bottom--t3"> <div class="video-main-list main-blk-side-grid main-blk-side-grid--grid-2 color-set--red " > <div class="container "> <div class="button-title"> <h2 class="button-title__heading">What's New</h2> <a href="/sklumt/News-and-Events/Event" target="_blank"> <button class="button-title__btn"> <span class="button-title__icon ico ico-cal" aria-hidden="true"></span> </button> </a> </div> <div class="main-blk-side-grid__inner"> <div class="main-blk-side-grid__main"> <div class="img-date-blk"> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title cate-title-blk__title--large"><a href="/sklumt/News-and-Events/Event/2023/Seminar_20230424" target="_self" class="underline-link"><span class="underline-link__line">SKL-UPMT X ISE Distinguished Research Seminar Series Manufacturing III and ACSM</span></a></h3> <p class="cate-title-blk__date line-date">24 Apr 2023</p> </div> </div> <div class="video-wrapper js-video js-video-auto"> <div class=""> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230424" class="underline-link" target="_self"> <img class="" src="/sklumt/-/media/Department/SKLUMT/Events/2023/20230424_FZ-Fang.png?bc=ffffff&h=315&w=600&rev=8226c5fd38f74999a73697991195c3fe&hash=C1B8503C0CB94CA55B86A8493BECC733" alt="20230421_FZ-Fang"> </a> </div> </div> </div> <div class="main-blk-side-grid__side"> <div class="d-lg-none"> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230424" target="_self" class="underline-link"><span class="underline-link__line">SKL-UPMT X ISE Distinguished Research Seminar Series Manufacturing III and ACSM</span></a> <span class="js-cursor-hover-image-wrap"> <img System.String[] alt="System.String[]" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">24 Apr 2023</p> </div> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230308" target="_self" class="underline-link"><span class="underline-link__line">SKL-UPMT X ISE x HKSPE Chinese Scholars Research Seminar Series 力流變高效超精密拋光加工技術進展</span></a> <span class="js-cursor-hover-image-wrap"> <img System.String[] alt="System.String[]" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">8 Mar 2023</p> </div> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230228" target="_self" class="underline-link"><span class="underline-link__line">SKL-UPMT X ISE X HKSPE Distinguished Research Seminar Series Hybrid Multi-scale Manufacturing Processes and Systems - A Virtual Tour of Northwestern Manufacturing</span></a> <span class="js-cursor-hover-image-wrap"> <img System.String[] alt="System.String[]" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">28 Feb 2023</p> </div> </div> <div class="col-blk-list row d-none d-lg-flex"> <div class="col-blk-list__col col-md-12 col-24"> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230308" target="_self" class="underline-link js-cursor-hover-image"><span class="underline-link__line">SKL-UPMT X ISE x HKSPE Chinese Scholars Research Seminar Series 力流變高效超精密拋光加工技術進展</span></a> <span class="js-cursor-hover-image-wrap"> <img src="/sklumt/-/media/Department/SKLUMT/Events/2023/20230308_JL-Yuan.png?bc=ffffff&h=105&w=200&rev=7f7691b07fc9475f9556c63bc4fc5bf5&hash=73B1E9F0727F3D204B2871DA713D606E" srcset="/sklumt/-/media/Department/SKLUMT/Events/2023/20230308_JL-Yuan.png?bc=ffffff&h=105&w=200&rev=7f7691b07fc9475f9556c63bc4fc5bf5&hash=73B1E9F0727F3D204B2871DA713D606E 1x, /sklumt/-/media/Department/SKLUMT/Events/2023/20230308_JL-Yuan.png?bc=ffffff&h=210&w=400&rev=7f7691b07fc9475f9556c63bc4fc5bf5&hash=073C2C3B74BA3B1EE657229AE4138E82 2x" alt="20230308_JL-Yuan" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">8 Mar 2023</p> </div> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2022/Seminar_20221209" target="_self" class="underline-link js-cursor-hover-image"><span class="underline-link__line">SKL-UPMT X ISE X HKSPE Research Seminar Series Vibration-Inspired Innovations in Precision Engineering: From Structural Coloration to Non-Contact Actuation</span></a> <span class="js-cursor-hover-image-wrap"> <img src="/sklumt/-/media/Department/SKLUMT/Events/2022/20221209_P-Guo.png?bc=ffffff&h=105&w=200&rev=608f1cdd385444b1b6346053f49139a4&hash=29213D0D4C5636B0CF353B95C0BCD986" srcset="/sklumt/-/media/Department/SKLUMT/Events/2022/20221209_P-Guo.png?bc=ffffff&h=105&w=200&rev=608f1cdd385444b1b6346053f49139a4&hash=29213D0D4C5636B0CF353B95C0BCD986 1x, /sklumt/-/media/Department/SKLUMT/Events/2022/20221209_P-Guo.png?bc=ffffff&h=210&w=400&rev=608f1cdd385444b1b6346053f49139a4&hash=7464DD09821BB6C797A8BDC0E4C5BE9A 2x" alt="20221209_P-Guo" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">9 Dec 2022</p> </div> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text"></p> <h3 class="cate-title-blk__title"> <a href="" target="" class="underline-link"><span class="underline-link__line"></span></a> </h3> <p class="cate-title-blk__date line-date"></p> </div> </div> <div class="col-blk-list__col col-md-12 col-24"> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2023/Seminar_20230228" target="_self" class="underline-link js-cursor-hover-image"><span class="underline-link__line">SKL-UPMT X ISE X HKSPE Distinguished Research Seminar Series Hybrid Multi-scale Manufacturing Processes and Systems - A Virtual Tour of Northwestern Manufacturing</span></a> <span class="js-cursor-hover-image-wrap"> <img src="/sklumt/-/media/Department/SKLUMT/Events/2023/20230228_KF-Ehmann.png?bc=ffffff&h=105&w=200&rev=30ea90df8a824b958d739bb80f6f9014&hash=2FC31E237DEEAB44B8A8948794BD1AC3" srcset="/sklumt/-/media/Department/SKLUMT/Events/2023/20230228_KF-Ehmann.png?bc=ffffff&h=105&w=200&rev=30ea90df8a824b958d739bb80f6f9014&hash=2FC31E237DEEAB44B8A8948794BD1AC3 1x, /sklumt/-/media/Department/SKLUMT/Events/2023/20230228_KF-Ehmann.png?bc=ffffff&h=210&w=400&rev=30ea90df8a824b958d739bb80f6f9014&hash=A345ADB7FF90A93BEFC700DDC8503511 2x" alt="Kornel F Ehmann" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">28 Feb 2023</p> </div> <div class="item-list-blk cate-title-blk"> <p class="cate-title-blk__cate theme-color-text">EVENT</p> <h3 class="cate-title-blk__title"> <a href="/sklumt/News-and-Events/Event/2022/Seminar_20221101" target="_self" class="underline-link js-cursor-hover-image"><span class="underline-link__line">SKLUMT X ISE X HKSPE Chinese Scholars Research Seminar Series Research Progress and Application of Electrostatic Atomization Minimum Quantity Lubrication</span></a> <span class="js-cursor-hover-image-wrap"> <img src="/sklumt/-/media/Department/SKLUMT/Events/2022/20221101_CH-Li.png?bc=ffffff&h=105&w=200&rev=c5ce67ff2ed54fe1b6f71ce19256d17c&hash=BE202142B3E558536D937CB3C68D5241" srcset="/sklumt/-/media/Department/SKLUMT/Events/2022/20221101_CH-Li.png?bc=ffffff&h=105&w=200&rev=c5ce67ff2ed54fe1b6f71ce19256d17c&hash=BE202142B3E558536D937CB3C68D5241 1x, /sklumt/-/media/Department/SKLUMT/Events/2022/20221101_CH-Li.png?bc=ffffff&h=210&w=400&rev=c5ce67ff2ed54fe1b6f71ce19256d17c&hash=7E5C02F0BD8E730E83A880E1D247AC6D 2x" alt="20221101_CH-Li" class="js-cursor-hover-image-wrap__img"> </span> </h3> <p class="cate-title-blk__date line-date">1 Nov 2022</p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div><div class=""></div>  </div> </div> </main> <footer class="page-foot--fact page-foot"> <div class="container color-set--red"> <div class="ft-row component-margin--no-top"> <div class="ft-row__blk ft-row__blk--left"> <ul class="ft-site-link-list"> <li class="ft-site-link-list__item"><a href="/privacy-policy-statement" target="_blank" class="ft-site-link-list__link">Privacy Policy Statement</a></li> <li class="ft-site-link-list__item"><a href="/terms-of-use" target="_blank" class="ft-site-link-list__link">Terms of Use</a></li> <li class="ft-site-link-list__item"><a href="/accessibility" target="_blank" class="ft-site-link-list__link">Accessibility</a></li> <li class="ft-site-link-list__item"><a href="/sklumt/Sitemap" target="_self" class="ft-site-link-list__link">Sitemap</a></li> </ul> <p class="cp">Copyright © 2025 The Hong Kong Polytechnic University. 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