{"id":10344,"date":"2026-04-27T08:11:49","date_gmt":"2026-04-27T08:11:49","guid":{"rendered":"https:\/\/roboticpolishingtech.com\/?p=10344"},"modified":"2026-08-28T13:53:52","modified_gmt":"2026-08-28T05:53:52","slug":"aluminum-chair-bases-polishing-solution","status":"publish","type":"post","link":"https:\/\/roboticpolishingtech.com\/vi\/aluminum-chair-bases-polishing-solution\/","title":{"rendered":"Dung d\u1ecbch \u0111\u00e1nh b\u00f3ng ch\u00e2n gh\u1ebf nh\u00f4m"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t \u0111\u1ed3 n\u1ed9i th\u1ea5t v\u0103n ph\u00f2ng cao c\u1ea5p v\u00e0 <a href=\"https:\/\/roboticpolishingtech.com\/vi\/general-metal\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/roboticpolishingtech.com\/general-metal\/\" rel=\"noreferrer noopener\">Kim lo\u1ea1i n\u00f3i chung<\/a> hardware, the 5-Star Chair Base is the core structural component that supports human weight and showcases the chair&#8217;s premium feel. Whether pursuing a minimalist brushed texture or a high-gloss mirror effect, its five radiating prongs must read as visually identical.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng chi ti\u1ebft \u0111\u00fac \u00e1p l\u1ef1c c\u00f3 k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn, \u0111\u00f2i h\u1ecfi ph\u1ea3i m\u00e0i \u1edf nhi\u1ec1u m\u1eb7t, lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng truy\u1ec1n th\u1ed1ng t\u1eeb l\u00e2u \u0111\u00e3 kh\u00f4ng c\u00f2n \u0111\u1ee7 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng. Vi\u1ec7c \u00e1p d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng \u2014 trong \u0111\u00f3 m\u1ed9t robot c\u00f4ng nghi\u1ec7p 6 tr\u1ee5c ch\u1ecbu t\u1ea3i n\u1eb7ng k\u1eb9p v\u00e0o l\u1ed7 trung t\u00e2m v\u00e0 di chuy\u1ec3n chi ti\u1ebft \u0111\u1ebfn c\u00e1c m\u00e1y m\u00e0i b\u0103ng m\u00e0i c\u00f4ng su\u1ea5t cao l\u1eafp \u0111\u1eb7t tr\u00ean s\u00e0n, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <a href=\"https:\/\/roboticpolishingtech.com\/vi\/robotic-polishing\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u00e1nh b\u00f3ng b\u1eb1ng robot<\/a>\u2014\u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM) h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi trong l\u0129nh v\u1ef1c n\u1ed9i th\u1ea5t v\u0103n ph\u00f2ng kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c sai s\u00f3t do m\u1ec7t m\u1ecfi khi l\u00e0m vi\u1ec7c th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u00e2n gh\u1ebf 5 sao b\u1eb1ng nh\u00f4m l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00e2n gh\u1ebf h\u00ecnh sao c\u1ee7a c\u00e1c lo\u1ea1i gh\u1ebf v\u0103n ph\u00f2ng t\u1ea7m trung \u0111\u1ebfn cao c\u1ea5p th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00fac b\u1eb1ng m\u00e1y \u0111\u00fac \u00e1p l\u1ef1c cao, s\u1eed d\u1ee5ng h\u1ee3p kim nh\u00f4m c\u00f3 \u0111\u1ed9 b\u1ec1n cao (nh\u01b0 ADC12 ho\u1eb7c A380). Ngay sau khi ra kh\u1ecfi khu\u00f4n, ph\u00f4i \u0111\u00fac th\u00f4 th\u01b0\u1eddng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh dao \u0111\u1ed9ng t\u1eeb 600mm \u0111\u1ebfn 750mm. B\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 c\u00f2n th\u00f4 r\u00e1p, c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng l\u1ea1nh do \u0111\u00fac \u00e1p l\u1ef1c, v\u00e0 c\u00e1c m\u00e9p b\u00ean c\u1ee7a c\u1ea3 n\u0103m ch\u00e2n \u0111\u1ec1u b\u1ecb bao ph\u1ee7 b\u1edfi c\u00e1c \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n c\u1ef1c k\u1ef3 th\u00f4 r\u00e1p v\u00e0 s\u1eafc nh\u1ecdn c\u00f9ng v\u1edbi c\u1eb7n c\u1eeda r\u00f3t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-1024x572.jpg\" alt=\"What are Aluminum 5-Star Chair Bases?\" class=\"wp-image-10348\" title=\"\" srcset=\"https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-1024x572.jpg 1024w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-300x167.jpg 300w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-768x429.jpg 768w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-18x10.jpg 18w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633-600x335.jpg 600w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Aluminum_die-cast_chair_202604271633.jpg 1376w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Hai v\u1ea5n \u0111\u1ec1 song song c\u1ee7a vi\u1ec7c m\u00e0i th\u1ee7 c\u00f4ng: M\u1ec7t m\u1ecfi v\u00e0 thi\u1ebfu nh\u1ea5t qu\u00e1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Do quy m\u00f4 kh\u1ed5ng l\u1ed3 c\u1ee7a c\u0103n c\u1ee9 sao, vi\u1ec7c m\u00e0i th\u1ee7 c\u00f4ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c v\u00f4 c\u00f9ng kh\u1eafc nghi\u1ec7t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec7t s\u1ee9c th\u1ec3 ch\u1ea5t nghi\u00eam tr\u1ecdng<\/strong>: M\u1ed9t \u0111\u1ebf h\u00ecnh sao b\u1eb1ng nh\u00f4m n\u1eb7ng v\u00e0i kil\u00f4gam. C\u00f4ng nh\u00e2n ph\u1ea3i c\u1ea7m n\u00f3 b\u1eb1ng c\u1ea3 hai tay, \u1ea5n ch\u1eb7t v\u00e0o m\u00e1y ch\u00e0 nh\u00e1m \u0111ai v\u00e0 li\u00ean t\u1ee5c xoay b\u1eb1ng tay \u0111\u1ec3 m\u00e0i c\u1ea3 n\u0103m c\u00e1nh kh\u00e1c nhau. C\u00f4ng vi\u1ec7c th\u1ec3 ch\u1ea5t n\u1eb7ng nh\u1ecdc v\u00e0 c\u0103ng th\u1eb3ng n\u00e0y khi\u1ebfn c\u00f4ng nh\u00e2n nhanh ch\u00f3ng m\u1ec7t m\u1ecfi v\u00e0 t\u1ef7 l\u1ec7 ngh\u1ec9 vi\u1ec7c r\u1ea5t cao.<\/li>\n\n\n\n<li><strong>C\u00e1c khuy\u1ebft t\u1eadt \u201ckh\u00f4ng \u0111\u1ed1i x\u1ee9ng\u201d g\u00e2y t\u1eed vong<\/strong>: S\u1ee9c b\u1ec1n c\u1ee7a con ng\u01b0\u1eddi s\u1ebd suy gi\u1ea3m d\u1ea7n trong su\u1ed1t ca l\u00e0m vi\u1ec7c. M\u1ed9t c\u00f4ng nh\u00e2n c\u00f3 th\u1ec3 d\u00f9ng l\u1ef1c m\u1ea1nh khi m\u00e0i r\u0103ng c\u01b0a th\u1ee9 nh\u1ea5t nh\u01b0ng l\u1ea1i d\u00f9ng l\u1ef1c \u00edt h\u01a1n \u0111\u00e1ng k\u1ec3 khi m\u00e0i \u0111\u1ebfn r\u0103ng c\u01b0a th\u1ee9 n\u0103m. \u0110i\u1ec1u n\u00e0y d\u1eabn tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c \u0111\u1ed9 b\u00f3ng v\u00e0 k\u00edch th\u01b0\u1edbc v\u00e1t g\u00f3c R ho\u00e0n to\u00e0n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean n\u0103m r\u0103ng c\u01b0a c\u1ee7a c\u00f9ng m\u1ed9t ch\u00e2n gh\u1ebf.<\/li>\n\n\n\n<li><strong>B\u1ee5i nh\u00f4m d\u1ec5 ch\u00e1y n\u1ed5<\/strong>: Qu\u00e1 tr\u00ecnh m\u00e0i c\u00e1c b\u1ec1 m\u1eb7t r\u1ed9ng b\u1eb1ng h\u1ee3p kim nh\u00f4m t\u1ea1o ra b\u1ee5i nh\u00f4m c\u00f3 n\u1ed3ng \u0111\u1ed9 r\u1ea5t cao. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y t\u1ed5n h\u1ea1i cho ph\u1ed5i c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng m\u00e0 c\u00f2n ti\u1ec1m \u1ea9n nguy c\u01a1 n\u1ed5 nghi\u00eam tr\u1ecdng trong c\u00e1c x\u01b0\u1edfng s\u1ea3n xu\u1ea5t k\u00edn, khi\u1ebfn \u0111\u00e2y tr\u1edf th\u00e0nh \u0111\u1ed1i t\u01b0\u1ee3ng \u01b0u ti\u00ean gi\u00e1m s\u00e1t c\u1ee7a c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd an to\u00e0n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a ch\u00e2n gh\u1ebf nh\u00f4m<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>M\u1eb7t h\u00e0ng<\/strong><\/td><td><strong>Ph\u1ea1m vi tham s\u1ed1<\/strong><\/td><td><strong>Ghi ch\u00fa<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh gating v\u00e0 lo\u1ea1i b\u1ecf ph\u1ea7n th\u1eeba d\u00e0y<\/td><td>D\u00e2y \u0111ai r\u1ed9ng SiC c\u1eaft cao<\/td><td>Lo\u1ea1i b\u1ecf nhanh ch\u00f3ng c\u1eb7n th\u1eeba t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u00fac \u00e1p l\u1ef1c, l\u00e0m ph\u1eb3ng c\u00e1c \u0111\u01b0\u1eddng vi\u1ec1n b\u00ean<\/td><\/tr><tr><td>K\u1ebft h\u1ee3p \u0111\u01b0\u1eddng cong theo h\u01b0\u1edbng t\u00e2m<\/td><td>B\u00e1nh xe nylon n\u1ed5i \/ D\u00e2y \u0111ai m\u1ecbn<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111\u01b0\u1eddng cong thu\u00f4n nh\u1ecdn c\u1ee7a c\u00e1c ch\u00e2n, gi\u00fap x\u00f3a b\u1ecf c\u00e1c v\u1ebft in n\u1ed5i d\u1ea1ng b\u1eadc thang<\/td><\/tr><tr><td>\u0110\u00e1nh b\u00f3ng m\u1eb7t l\u1edbn v\u00e0 m\u1eb7t b\u00ean<\/td><td>L\u00f5i b\u1eb1ng s\u1ee3i sisal m\u1eadt \u0111\u1ed9 cao \/ v\u1ea3i<\/td><td>K\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 \u0111\u00e1nh b\u00f3ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 l\u00e0m n\u1ed5i b\u1eadt \u0111\u1ed9 b\u00f3ng cao t\u1ef1 nhi\u00ean c\u1ee7a nh\u00f4m<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u v\u1ec1 t\u1ea3i tr\u1ecdng c\u1ee7a robot<\/td><td><strong>160 kg \u2013 210 kg<\/strong><\/td><td><strong>Do k\u00edch th\u01b0\u1edbc chi ti\u1ebft r\u1ea5t l\u1edbn v\u00e0 l\u1ef1c \u0111\u00f2n b\u1ea9y l\u1edbn n\u00ean b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng robot c\u00f4ng su\u1ea5t cao<\/strong><\/td><\/tr><tr><td>L\u1ed7i kh\u00f4ng nh\u1ea5t qu\u00e1n v\u1ec1 s\u1ed1 ch\u00e2n c\u1eafm<\/td><td><strong>\u2264 0,05 mm<\/strong><\/td><td><strong>Holds geometry and gloss of all 5 prongs to a matched finish<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"T\u0103ng n\u0103ng su\u1ea5t l\u00ean 99%! C\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1nh b\u00f3ng t\u1ef1 \u0111\u1ed9ng cho \u0111\u1ebf h\u00ecnh sao b\u1eb1ng nh\u00f4m\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/R9jfASUPxi8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n c\u1ee9ng quy m\u00f4 l\u1edbn ph\u1ea3i s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac \u201crobot gi\u1eef chi ti\u1ebft gia c\u00f4ng\u201d?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A star base is the classic &#8220;wide-span, heavy-body&#8221; workpiece, and it dictates its own layout: <strong>a heavy-payload robot drives a dedicated expanding gripper into the central gas-lift hole, locks it, and swings the whole casting against high-power floor-mounted belt machines and polishing centers.<\/strong> The center-hole grip turns an awkward casting into a predictable rotating workpiece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For large-part grinding, this arrangement delivers where manual lines cannot:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Indexed Posture Switching<\/strong>: One grip is all the setup the part gets. Rotating the 6th axis\u2014or an external 7th\u2014presents each of the five prongs to the stationary belt in turn, with the indexing precision of a rotary table. No human repositioning means no repositioning errors.<\/li>\n\n\n\n<li><strong>Matched Prong Finishes<\/strong>: Constant feed and programmed trajectories give the 1st prong and the 5th prong the same pressure and dwell time. Symmetry across the product stops depending on how the worker felt at hour seven.<\/li>\n\n\n\n<li><strong>Reaction-Force Stiffness<\/strong>: Grinding broad aluminum surfaces loads the arm heavily. A heavy-payload robot carries those cutting reactions without deflection or judder, which is why the surface texture stays smooth and wave-free.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh l\u00e0m vi\u1ec7c t\u1ef1 \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>B\u01b0\u1edbc<\/strong><\/td><td><strong>Operation<\/strong><\/td><td><strong>Tooling &amp; Consumables<\/strong><\/td><td><strong>M\u1ee5c \u0111\u00edch<\/strong><\/td><\/tr><\/thead><tbody><tr><td>01<\/td><td>Tay c\u1ea7m b\u00ean trong ch\u1ecbu l\u1ef1c cao<\/td><td>Robot + Tr\u1ee5c nong kh\u00ed n\u00e9n<\/td><td>M\u1edf r\u1ed9ng b\u00ean trong l\u1ed7 trung t\u00e2m \u0111\u1ec3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec3m kh\u00f3a ch\u1eafc ch\u1eafn, x\u00e1c \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 5 sao<\/td><\/tr><tr><td>02<\/td><td>Heavy Side Flash Removal<\/td><td>B\u0103ng t\u1ea3i th\u00f4 c\u00f4ng su\u1ea5t cao l\u1eafp \u0111\u1eb7t tr\u00ean s\u00e0n<\/td><td>High-pressure passes flatten die-cast flash on the sides of all 5 prongs<\/td><\/tr><tr><td>03<\/td><td>H\u00f2a tr\u1ed9n \u0111\u1ed3ng nh\u1ea5t tr\u00ean khu\u00f4n m\u1eb7t<\/td><td>M\u00e1y \u0111ai ti\u1ebfp x\u00fac n\u1ed5i r\u1ed9ng<\/td><td>Lo\u1ea1i b\u1ecf c\u00e1c v\u1ebft do khu\u00f4n \u0111\u1ec3 l\u1ea1i, gi\u00fap 5 t\u1ea5m panel cong c\u00f3 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u01a1 b\u1ea3n \u0111\u1ed3ng nh\u1ea5t<\/td><\/tr><tr><td>04<\/td><td>\u0110\u00e1nh b\u00f3ng g\u01b0\u01a1ng \u0111\u1ed9 b\u00f3ng cao<\/td><td>Trung t\u00e2m lau xe b\u1eb1ng v\u1ea3i \u0111a tr\u1ea1m Auto-Wax<\/td><td>\u0110\u00e1nh b\u00f3ng t\u1ed1c \u0111\u1ed9 cao cho c\u00e1c b\u1ec1 m\u1eb7t c\u1ea7n c\u00f3 b\u1ec1 m\u1eb7t nh\u00f4m b\u00f3ng nh\u01b0 g\u01b0\u01a1ng<\/td><\/tr><tr><td>05<\/td><td>B\u00e0n giao t\u1ef1 \u0111\u1ed9ng khi d\u1ee1 h\u00e0ng<\/td><td>Chuy\u1ec3n sang kh\u00e2u \u0111\u00f3ng g\u00f3i\/v\u1ec7 sinh<\/td><td>Th\u1ea3 k\u1eb9p, \u0111\u1eb7t chi ti\u1ebft m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ti\u1ebfp theo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-1024x572.jpg\" alt=\"Automated Grinding and Polishing Process Workflow\" class=\"wp-image-10349\" title=\"\" srcset=\"https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-1024x572.jpg 1024w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-300x167.jpg 300w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-768x429.jpg 768w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-18x10.jpg 18w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633-600x335.jpg 600w, https:\/\/roboticpolishingtech.com\/wp-content\/uploads\/2026\/04\/Chair_base_inspection_202604271633.jpg 1376w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Workholding and Datum Setup for Star Bases<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Everything about star-base workholding follows from two facts: the part is heavy and wide, and it already contains a precision feature\u2014the tapered gas-lift bore\u2014at its center. The expanding mandrel grip exploits that bore for both holding and location, and the program establishes its angular zero on the centerline of prong one, so every subsequent indexing move is relative to a physical feature rather than a fixture guess.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mandrel locking<\/strong>: pneumatic or hydraulic expansion grips the bore wall over a length sized to the casting&#8217;s weight; grip pressure is set high enough to resist prong-tip cutting loads without distorting the bore.<\/li>\n\n\n\n<li><strong>Overhang management<\/strong>: at 600-750 mm across, prong tips work at a long lever arm; the cell pairs robot stiffness with the shortest practical gripper to keep tip deflection out of the finish.<\/li>\n\n\n\n<li><strong>Incoming variation<\/strong>: die-cast parting lines wander from shot to shot; the program banks on floating toolheads and generous lead-ins rather than expecting castings to repeat like machined parts.<\/li>\n\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Abrasives for Large Aluminum Castings<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum die-castings are abrasive-system unkind: the metal smears, loads belts, and burns if the cut is allowed to glaze. The media ladder therefore runs from open-coat SiC belts that stay free-cutting through heavy flash removal, to floating nylon and fine belts that fair the prong curves, and finally to sisal and cloth wheels with auto-waxing for the mirror grades. Open-coat construction and disciplined belt changes matter more here than in steel work\u2014aluminum does not forgive a loaded belt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flash and gate residue<\/strong>: the coarse stage exists to remove bulk material fast; spending fine media on roughing is the fastest way to inflate consumable cost per base.<\/li>\n\n\n\n<li><strong>Curved prong flanks<\/strong>: compliant wheels follow the tapering prong geometry so the surface is cut, not chased\u2014stepped die-marks disappear without flattening the design intent.<\/li>\n\n\n\n<li><strong>Dust strategy<\/strong>: every stage runs under extraction, wet where the fire risk assessment requires it, because aluminum fines are combustible; the cell&#8217;s dust handling is engineered as part of the process, not bolted on. Deburring fundamentals are covered in <a href=\"https:\/\/roboticpolishingtech.com\/vi\/what-is-robotic-deburring\/\">what is robotic deburring<\/a>.<\/li>\n\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Cycle Structure and Consistency Verification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The cycle exploits indexing: prong by prong, side pass then top pass, the whole base machined around one grip. Loading and unloading overlap the grinding via a second station or an exchange table, so spindle time is nearly all cutting time. Lines running mixed models store per-family programs and gripper inserts, and changeovers between base families reduce to selecting the program and swapping the insert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consistency is checked the way customers see it: side-by-side prong comparison under consistent lighting, gloss sampling against the approved master, and dimensional spot checks on the bore and prong profiles. Because every part runs the same indexed program, a verified first part carries real weight\u2014the rest of the batch is running the same physics. Wheel-machine selection for this class of work is covered in our <a href=\"https:\/\/roboticpolishingtech.com\/vi\/wheel-polishing-machine-guide\/\">wheel polishing machine guide<\/a>; for a compact aluminum casting on the same platform, see our <a href=\"https:\/\/roboticpolishingtech.com\/vi\/automated-deflashing-deburring-for-die-cast-motor-housings\/\">die-cast motor housing deburring solution<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Application Scenario: Large Die-Cast Star Bases<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A hardware manufacturer in South China casting star bases for top-tier ergonomic chair brands is a typical case\u2014eight heavy-payload cells now anchor its finishing line.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Before<\/strong>: Recruitment had become the constraint\u2014younger workers would not take heavy, high-dust aluminum grinding jobs. Manual grinding left the five prongs mismatched in gloss, brand rejections arrived regularly, and yield sat well below what the business needed.<\/li>\n\n\n\n<li><strong>After<\/strong>: With 210 kg-class robots holding the workpieces, the line runs lights-out under fully enclosed negative-pressure dust extraction. The five prongs of every base come out visibly matched, first-pass cosmetic yield holds in the high nineties, cycle times shorten, and the capacity ceiling and dust hazard go with them.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 vi\u1ec7c \u0111\u00e1nh b\u00f3ng ch\u00e2n gh\u1ebf b\u1eb1ng nh\u00f4m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 1: C\u00e1c \u0111\u1ebf h\u00ecnh sao c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t l\u1edbn, t\u1ea1o ra m\u1ed9t c\u00e1nh tay \u0111\u00f2n d\u00e0i khi m\u00e0i \u0111\u1ea7u c\u1ee7a m\u1ed9t ch\u00e2n \u0111\u1ebf. Li\u1ec7u robot c\u00f3 th\u1ec3 k\u1eb9p ch\u1eb7t n\u00f3 m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A<\/strong>: Yes. External clamping jaws are the wrong tool here. Instead, a high-strength pneumatic or hydraulic expanding mandrel enters the conical gas-lift hole in the center and expands outward, taking a positive lock on the bore interior. With a 160 kg-class robot, grinding pressure at the very tip of a prong still produces no chatter or shift. The same center-bore logic carries across design changeovers, as covered below.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 2: C\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u0111\u1ed3 n\u1ed9i th\u1ea5t th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt thi\u1ebft k\u1ebf ch\u00e2n gh\u1ebf h\u00ecnh sao (ki\u1ec3u ph\u1eb3ng so v\u1edbi ki\u1ec3u cong). Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u00e2y chuy\u1ec1n robot c\u00f3 kh\u00f3 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A<\/strong>: It is straightforward. Because center-bore gripping suits the vast majority of star bases, a changeover is mostly a software event: the engineer imports the new CAD model, and 3D Offline Programming (OLP) plans the paths and indexing angles for all five prongs from it. No teach-pendant hours in a dusty workshop\u2014which is what keeps high-mix furniture hardware production practical.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In high-end office furniture hardware, the matched finish of a 5-star base and its surface quality are baseline requirements, not aspirations. An automated architecture\u2014a heavy-duty 6-axis robot gripping the center hole against high-power floor-mounted belt machines\u2014takes workers out of the most punishing job on the floor and ends the asymmetry problem, while opening the capacity ceiling for furniture hardware suppliers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Large aluminum castings punish every inconsistency a human brings to the job. When heavy grinding yields stop making sense, ask our team about a heavy-payload cell for your furniture hardware line: <a href=\"https:\/\/roboticpolishingtech.com\/vi\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the manufacturing of high-end office furniture and General Metal hardware, the 5-Star Chair Base is the core structural component that supports human weight and showcases the chair&#8217;s premium feel. Whether pursuing a minimalist brushed texture or a high-gloss mirror effect, its five radiating prongs must read as visually identical. Faced with such massive, heavy [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10381,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[143],"tags":[159,149],"class_list":["post-10344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-studies","tag-general-metal","tag-polishing"],"_links":{"self":[{"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/posts\/10344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/comments?post=10344"}],"version-history":[{"count":7,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/posts\/10344\/revisions"}],"predecessor-version":[{"id":10936,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/posts\/10344\/revisions\/10936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/media\/10381"}],"wp:attachment":[{"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/media?parent=10344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/categories?post=10344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/roboticpolishingtech.com\/vi\/wp-json\/wp\/v2\/tags?post=10344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}