{"id":4751,"date":"2026-07-29T15:11:34","date_gmt":"2026-07-29T07:11:34","guid":{"rendered":"https:\/\/www.graphitecutting.com\/?p=4751"},"modified":"2026-07-29T15:11:35","modified_gmt":"2026-07-29T07:11:35","slug":"chat-luong-be-mat-dien-cuc-graphite-edm","status":"publish","type":"post","link":"https:\/\/www.graphitecutting.com\/vi\/graphite-electrode-surface-quality-edm\/","title":{"rendered":"Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c Graphite: C\u00e1ch c\u1eaft quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t EDM"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 ho\u00e0n thi\u1ec7n \u2014 \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh c\u1eaft. Khi \u0111i\u1ec7n c\u1ef1c \u0111\u1ebfn m\u00e1y EDM, tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi qu\u00e1 tr\u00ecnh c\u1eaft t\u1ea1o ra ph\u00f4i. C\u00e1c thao t\u00e1c ho\u00e0n thi\u1ec7n c\u00f3 th\u1ec3 tinh ch\u1ec9nh nh\u1eefng g\u00ec qu\u00e1 tr\u00ecnh c\u1eaft mang l\u1ea1i, nh\u01b0ng ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c c\u01a1 b\u1ea3n nh\u1eefng h\u01b0 h\u1ecfng b\u1eaft ngu\u1ed3n t\u1eeb c\u1ea5p \u0111\u1ed9 h\u1ea1t trong l\u1ea7n c\u1eaft \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite th\u1ef1c s\u1ef1 bao g\u1ed3m nh\u1eefng g\u00ec, quy tr\u00ecnh c\u1eaft x\u00e1c \u0111\u1ecbnh n\u00f3 nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng khu\u00f4n v\u00e0 n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t mu\u1ed1n c\u00f3 k\u1ebft qu\u1ea3 EDM nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng ph\u1ea3i g\u00e1nh chi ph\u00ed c\u1ee7a c\u00e1c quy tr\u00ecnh ph\u1ee5c h\u1ed3i th\u1ee9 c\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-1024x683.png\" alt=\"M\u00e1y c\u1eaft than ch\u00ec\" class=\"wp-image-4752\" title=\"Dung d\u1ecbch c\u1eaft than ch\u00ec\" srcset=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-1024x683.png 1024w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-300x200.png 300w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-768x512.png 768w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-18x12.png 18w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1-600x400.png 600w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm1.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a Ch\u1ea5t l\u01b0\u1ee3ng B\u1ec1 m\u1eb7t \u0110i\u1ec7n c\u1ef1c Graphite<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u00e9p \u0111o duy nh\u1ea5t \u2014 \u0111\u00f3 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a ba thu\u1ed9c t\u00ednh ri\u00eang bi\u1ec7t, m\u1ed7i thu\u1ed9c t\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn EDM theo nh\u1eefng c\u00e1ch kh\u00e1c nhau v\u00e0 \u1edf c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau trong v\u00f2ng \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t<\/strong> m\u00f4 t\u1ea3 k\u1ebft c\u1ea5u v\u0129 m\u00f4 c\u1ee7a m\u1eb7t c\u1eaft. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Ra (\u0111\u1ed9 nh\u00e1m trung b\u00ecnh s\u1ed1 h\u1ecdc) ho\u1eb7c Rz (chi\u1ec1u cao \u0111\u1ec9nh-\u0111\u00e1y trung b\u00ecnh). \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n c\u1ef1c EDM, m\u1ee5c ti\u00eau Ra sau khi c\u1eaft th\u01b0\u1eddng d\u01b0\u1edbi 1,6 \u03bcm; c\u00e1c thao t\u00e1c ho\u00e0n thi\u1ec7n d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0a con s\u1ed1 n\u00e0y xu\u1ed1ng 0,4\u20130,8 \u03bcm t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. M\u1ed9t \u0111i\u1ec7n c\u1ef1c \u0111\u1ebfn t\u1eeb qu\u00e1 tr\u00ecnh c\u1eaft v\u1edbi Ra tr\u00ean 3 \u03bcm bu\u1ed9c qu\u00e1 tr\u00ecnh ho\u00e0n thi\u1ec7n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c kh\u1eafc ph\u1ee5c thay v\u00ec tinh ch\u1ec9nh ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea1nh<\/strong> m\u00f4 t\u1ea3 t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c c\u1ea1nh v\u00e0 g\u00f3c c\u1eaft \u2014 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ti\u1ebfp x\u00fac nhi\u1ec1u nh\u1ea5t v\u1edbi s\u1ef1 t\u1eadp trung ph\u00f3ng \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh EDM. S\u1ef1 s\u1ee9t m\u1ebb, bo tr\u00f2n ho\u1eb7c vi ba c\u1ea1nh l\u00e0m gi\u00e1n \u0111o\u1ea1n h\u00ecnh h\u1ecdc m\u00e0 \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o ra tr\u00ean ph\u00f4i. Ngay c\u1ea3 s\u1ef1 s\u1ee9t m\u1ebb d\u01b0\u1edbi 0,1 mm \u1edf m\u1ed9t g\u00f3c quan tr\u1ecdng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi ph\u00f3ng \u0111i\u1ec7n EDM t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tr\u1ea1ng th\u00e1i khuy\u1ebft t\u1eadt d\u01b0\u1edbi b\u1ec1 m\u1eb7t<\/strong> l\u00e0 chi\u1ec1u k\u00edch \u00edt nh\u00ecn th\u1ea5y nh\u1ea5t v\u00e0 c\u00f3 h\u1eadu qu\u1ea3 l\u1edbn nh\u1ea5t c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite. C\u00e1c v\u1ebft n\u1ee9t vi m\u00f4, s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t v\u00e0 s\u1ef1 nhi\u1ec5m b\u1ea9n n\u1eb1m b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t c\u1eaft nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u1ebb ngo\u00e0i ban \u0111\u1ea7u ho\u1eb7c th\u1eadm ch\u00ed hi\u1ec7u su\u1ea5t EDM ban \u0111\u1ea7u. Ch\u00fang tr\u1edf th\u00e0nh c\u01a1 ch\u1ebf h\u1ecfng h\u00f3c khi s\u1ef1 m\u00e0i m\u00f2n \u0111i\u1ec7n c\u1ef1c ti\u1ebfn tri\u1ec3n v\u00e0 l\u00e0m l\u1ed9 l\u1edbp d\u01b0\u1edbi b\u1ec1 m\u1eb7t b\u1ecb h\u01b0 h\u1ecfng, \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n \u1edf giai \u0111o\u1ea1n kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc trong v\u00f2ng \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba thu\u1ed9c t\u00ednh n\u00e0y kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft nh\u01b0 nhau sau khi s\u1ef1 vi\u1ec7c \u0111\u00e3 x\u1ea3y ra. \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i nhi\u1ec1u nh\u1ea5t th\u00f4ng qua c\u00e1c ho\u1ea1t \u0111\u1ed9ng sau c\u1eaft. T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea1nh c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i m\u1ed9t ph\u1ea7n th\u00f4ng qua vi\u1ec7c m\u00e0i gi\u0169a c\u1ea9n th\u1eadn b\u1eb1ng tay. Tr\u1ea1ng th\u00e1i khuy\u1ebft t\u1eadt d\u01b0\u1edbi b\u1ec1 m\u1eb7t ph\u1ea7n l\u1edbn kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i \u2014 n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c \u1edf giai \u0111o\u1ea1n c\u1eaft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p c\u1eaft x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p c\u1eaft x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 quy tr\u00ecnh ho\u00e0n thi\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft kh\u00e1c nhau t\u1ea1o ra c\u00e1c tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t kh\u00e1c nhau v\u1ec1 c\u01a1 b\u1ea3n v\u00ec ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a graphite theo nh\u1eefng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Graphite \u0111\u1eb3ng t\u0129nh lo\u1ea1i EDM \u2014 lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c \u0111i\u1ec7n c\u1ef1c ch\u00ednh x\u00e1c, nh\u01b0 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 <a href=\"https:\/\/www.sglcarbon.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">SGL Carbon<\/a> V\u00e0 <a href=\"https:\/\/www.toyotanso.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Toyo Tanso<\/a> \u2014 c\u00f3 c\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn, \u0111\u1ed3ng nh\u1ea5t h\u1ed7 tr\u1ee3 c\u00e1c c\u1ea1nh s\u1eafc n\u00e9t v\u00e0 b\u1ec1 m\u1eb7t nh\u1eb5n khi \u0111\u01b0\u1ee3c c\u1eaft \u0111\u00fang c\u00e1ch. Khi b\u1ecb c\u1eaft sai c\u00e1ch, c\u00f9ng m\u1ed9t c\u1ea5u tr\u00fac h\u1ea1t s\u1ebd b\u1ecb g\u00e3y t\u1ea1i c\u00e1c ranh gi\u1edbi h\u1ea1t, t\u1ea1o ra s\u1ef1 s\u1ee9t m\u1ebb, k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t b\u1ecb x\u00e9 to\u1ea1c v\u00e0 m\u1ed9t l\u1edbp h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t n\u01a1i c\u00e1c \u0111\u1ea7u v\u1ebft n\u1ee9t d\u1eebng l\u1ea1i b\u00ean trong c\u1ea5u tr\u00fac h\u1ea1t thay v\u00ec lan truy\u1ec1n qua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y so s\u00e1nh c\u00e1ch c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft kh\u00e1c nhau \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eebng chi\u1ec1u k\u00edch c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Thu\u1ed9c t\u00ednh b\u1ec1 m\u1eb7t<\/th><th>C\u1eaft d\u00e2y<\/th><th>Gia c\u00f4ng phay CNC<\/th><th>\u0110\u0129a m\u00e0i m\u00f2n<\/th><\/tr><\/thead><tbody><tr><td>Ra m\u1eb7t c\u1eaft<\/td><td>Th\u1ea5p, nh\u1ea5t qu\u00e1n<\/td><td>Trung b\u00ecnh, ph\u1ee5 thu\u1ed9c v\u00e0o d\u1ee5ng c\u1ee5<\/td><td>Bi\u1ebfn \u0111\u1ed5i, ph\u00e2n t\u00e1n cao<\/td><\/tr><tr><td>Nguy c\u01a1 s\u1ee9t m\u1ebb c\u1ea1nh<\/td><td>Th\u1ea5p<\/td><td>Trung b\u00ecnh \u0111\u1ebfn cao<\/td><td>Cao<\/td><\/tr><tr><td>\u0110\u1ed9 s\u00e2u h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t<\/td><td>T\u1ed1i thi\u1ec3u<\/td><td>0,05\u20130,2 mm (ph\u1ee5 thu\u1ed9c v\u00e0o ti\u1ebfp x\u00fac d\u1ee5ng c\u1ee5)<\/td><td>0,1\u20130,3 mm<\/td><\/tr><tr><td>Nhi\u1ec5m b\u1ea9n b\u1ec1 m\u1eb7t<\/td><td>Th\u1ea5p (ch\u1ea5t l\u00e0m m\u00e1t g\u1ed1c n\u01b0\u1edbc)<\/td><td>Trung b\u00ecnh (s\u01b0\u01a1ng d\u1ea7u, l\u1eafng \u0111\u1ecdng l\u1ea1i v\u1ee5n)<\/td><td>Cao (l\u00e0m k\u1eb9t m\u00e0i m\u00f2n)<\/td><\/tr><tr><td>T\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean l\u00f4<\/td><td>Cao<\/td><td>Suy gi\u1ea3m theo \u0111\u1ed9 m\u00f2n d\u1ee5ng c\u1ee5<\/td><td>Bi\u1ebfn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 ph\u00e2n bi\u1ec7t ch\u00ednh l\u00e0 c\u01a1 h\u1ecdc ti\u1ebfp x\u00fac. Phay CNC \u00e1p d\u1ee5ng l\u1ef1c n\u00e9n v\u00e0 c\u1eaft qua m\u1ed9t d\u1ee5ng c\u1ee5 quay ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u1edbi graphite tr\u00ean \u0111\u01b0\u1eddng c\u1eaft. M\u1ed7i chu k\u1ef3 ti\u1ebfp x\u00fac \u0111\u1eb7t t\u1ea3i l\u00ean c\u1ea5u tr\u00fac h\u1ea1t. Trong m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng n\u1ee9t th\u1ea5p, t\u1ea3i tr\u1ecdng ti\u1ebfp x\u00fac t\u00edch l\u0169y t\u1ea1o ra m\u1ed9t v\u00f9ng t\u00edch t\u1ee5 \u1ee9ng su\u1ea5t b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t \u2014 l\u1edbp h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t \u2014 kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c tr\u00ean m\u1eb7t c\u1eaft nh\u01b0ng c\u00f3 m\u1eb7t v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1eaft d\u00e2y t\u00e1ch v\u1eadt li\u1ec7u th\u00f4ng qua m\u1ed9t s\u1ee3i d\u00e2y m\u00e0i m\u00f2n chuy\u1ec3n \u0111\u1ed9ng d\u01b0\u1edbi l\u1ef1c c\u0103ng v\u00e0 d\u00f2ng ch\u1ea5t l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. V\u00f9ng c\u1eaft h\u1eb9p, l\u1ef1c ti\u1ebfp x\u00fac v\u1edbi graphite th\u1ea5p v\u00e0 ph\u00e2n t\u00e1n, v\u00e0 quy tr\u00ecnh kh\u00f4ng \u00e1p d\u1ee5ng t\u1ea3i tr\u1ecdng n\u00e9n t\u1ea1o ra s\u1ef1 g\u00e3y h\u1ea1t d\u01b0\u1edbi b\u1ec1 m\u1eb7t. K\u1ebft qu\u1ea3 l\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t s\u1ea1ch h\u01a1n \u2014 Ra th\u1ea5p h\u01a1n, t\u00ednh to\u00e0n v\u1eb9n c\u1ea1nh t\u1ed1t h\u01a1n v\u00e0 l\u1edbp h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t n\u00f4ng h\u01a1n \u2014 tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 b\u01b0\u1edbc ho\u00e0n thi\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed1i quan h\u1ec7 gi\u1eefa ph\u01b0\u01a1ng ph\u00e1p c\u1eaft v\u00e0 tr\u1ea1ng th\u00e1i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c xem x\u00e9t trong b\u1ed1i c\u1ea3nh <a href=\"https:\/\/www.graphitecutting.com\/vi\/yeu-cau-cat-dien-cuc-graphite\/\" target=\"_blank\" rel=\"noreferrer noopener\">y\u00eau c\u1ea7u c\u1eaft \u0111i\u1ec7n c\u1ef1c graphite<\/a>, bao g\u1ed3m l\u00fd do t\u1ea1i sao ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t trong n\u0103m y\u00eau c\u1ea7u kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng m\u00e0 quy tr\u00ecnh c\u1eaft ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n c\u1ef1c EDM \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh ph\u00f3ng \u0111i\u1ec7n EDM<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c graphite chuy\u1ec3n tr\u1ef1c ti\u1ebfp th\u00e0nh h\u00e0nh vi ph\u00f3ng \u0111i\u1ec7n EDM. M\u1ed7i lo\u1ea1i khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t c\u00f3 m\u1ed9t c\u01a1 ch\u1ebf c\u1ee5 th\u1ec3 m\u00e0 n\u00f3 l\u00e0m gi\u00e1n \u0111o\u1ea1n quy tr\u00ecnh EDM, v\u00e0 m\u1ed7i s\u1ef1 gi\u00e1n \u0111o\u1ea1n \u0111\u1ec1u c\u00f3 chi ph\u00ed v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c, tu\u1ed5i th\u1ecd \u0111i\u1ec7n c\u1ef1c ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng ph\u00f4i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vi ba v\u00e0 s\u1ee9t m\u1ebb c\u1ea1nh<\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 kh\u1edfi \u0111\u1ea7u ph\u00f3ng \u0111i\u1ec7n. Ph\u00f3ng \u0111i\u1ec7n EDM \u01b0u ti\u00ean b\u1eaft \u0111\u1ea7u t\u1ea1i c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh h\u1ecdc s\u1eafc n\u00e9t n\u01a1i \u0111i\u1ec7n tr\u01b0\u1eddng t\u1eadp trung. Khi s\u1ef1 s\u1ee9t m\u1ebb c\u1ea1nh ho\u1eb7c vi ba l\u00e0m thay \u0111\u1ed5i h\u00ecnh h\u1ecdc c\u1ea1nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, m\u1eabu ph\u00f3ng \u0111i\u1ec7n s\u1ebd l\u1ec7ch kh\u1ecfi c\u00e1c \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. K\u1ebft qu\u1ea3 l\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 tia l\u1eeda kh\u00f4ng nh\u1ea5t qu\u00e1n, ki\u1ec3m so\u00e1t quy tr\u00ecnh gi\u1ea3m v\u00e0 h\u00ecnh h\u1ecdc ph\u00f4i l\u1ec7ch kh\u1ecfi h\u00ecnh d\u1ea1ng \u0111i\u1ec7n c\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ebft n\u1ee9t vi m\u00f4 b\u1ec1 m\u1eb7t<\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n \u0111i\u1ec7n c\u1ef1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ef1 m\u00e0i m\u00f2n. D\u01b0\u1edbi chu k\u1ef3 nhi\u1ec7t EDM, b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c ti\u1ebfp x\u00fac v\u1edbi qu\u00e1 tr\u00ecnh gia nhi\u1ec7t v\u00e0 l\u00e0m ngu\u1ed9i l\u1eb7p \u0111i l\u1eb7p l\u1ea1i t\u1ea1i v\u1ecb tr\u00ed ph\u00f3ng \u0111i\u1ec7n. M\u1ed9t b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c t\u1ed1t v\u1edbi h\u01b0 h\u1ecfng do c\u1eaft t\u1ed1i thi\u1ec3u s\u1ebd th\u00edch \u1ee9ng v\u1edbi chu k\u1ef3 n\u00e0y v\u1edbi s\u1ef1 m\u00e0i m\u00f2n c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. M\u1ed9t \u0111i\u1ec7n c\u1ef1c c\u00f3 c\u00e1c v\u1ebft n\u1ee9t si\u00eau nh\u1ecf c\u00f3 s\u1eb5n \u2014 b\u1eaft ngu\u1ed3n t\u1eeb giai \u0111o\u1ea1n c\u1eaft \u2014 cung c\u1ea5p c\u00e1c \u0111\u1ea7u v\u1ebft n\u1ee9t hi\u1ec7n c\u00f3 m\u00e0 chu k\u1ef3 nhi\u1ec7t s\u1ebd k\u00e9o d\u00e0i. S\u1ef1 m\u00e0i m\u00f2n t\u0103ng t\u1ed1c t\u1ea1i c\u00e1c v\u1ecb tr\u00ed n\u00e0y, t\u1ea1o ra s\u1ef1 th\u1ee5t l\u00f9i \u0111i\u1ec7n c\u1ef1c kh\u00f4ng \u0111\u1ec1u v\u00e0 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng m\u00e0 kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c t\u1eeb \u0111i\u1ec1u ki\u1ec7n ban \u0111\u1ea7u c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nhi\u1ec5m b\u1ea9n b\u1ec1 m\u1eb7t<\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n c\u1ef1c. C\u00e1c h\u1ea1t m\u00e0i m\u00f2n b\u1ecb k\u1eb9t trong qu\u00e1 tr\u00ecnh c\u1eaft, c\u1eb7n d\u1ea7u t\u1eeb ch\u1ea5t l\u00e0m m\u00e1t gia c\u00f4ng, ho\u1eb7c b\u1ee5i than ch\u00ec l\u1eafng \u0111\u1ecdng l\u1ea1i tr\u00ean m\u1eb7t c\u1eaft \u0111\u1ec1u \u0111\u01b0a v\u1eadt li\u1ec7u l\u1ea1 v\u00e0o b\u1ec1 m\u1eb7t ph\u00f3ng \u0111i\u1ec7n. V\u1eadt li\u1ec7u n\u00e0y l\u00e0m gi\u00e1n \u0111o\u1ea1n l\u1edbp ph\u00f3ng \u0111i\u1ec7n, l\u00e0m t\u0103ng s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ed3 quang v\u00e0 g\u00f3p ph\u1ea7n g\u00e2y nhi\u1ec5u trong c\u00e1c t\u00edn hi\u1ec7u quy tr\u00ecnh EDM. <a href=\"https:\/\/www.graphitecutting.com\/vi\/thach-thuc-cat-dien-cuc-graphite-edm\/\" target=\"_blank\" rel=\"noreferrer noopener\">key challenges in EDM graphite electrode cutting<\/a> bao g\u1ed3m \u00f4 nhi\u1ec5m b\u1ec1 m\u1eb7t nh\u01b0 m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u00f3 h\u1ec7 th\u1ed1ng trong c\u00e1c quy tr\u00ecnh c\u1eaft d\u1ef1a v\u00e0o ti\u1ebfp x\u00fac m\u00e0i m\u00f2n v\u00e0 l\u00e0m m\u00e1t g\u1ed1c d\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u1ee8ng su\u1ea5t d\u01b0 t\u1eeb qu\u00e1 tr\u00ecnh c\u1eaft<\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc d\u00e0i h\u1ea1n. M\u1ed9t \u0111i\u1ec7n c\u1ef1c mang \u1ee9ng su\u1ea5t d\u01b0 \u0111\u00e1ng k\u1ec3 t\u1eeb qu\u00e1 tr\u00ecnh c\u1eaft s\u1ebd d\u1ea7n d\u1ea7n gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t \u0111\u00f3 d\u01b0\u1edbi chu k\u1ef3 nhi\u1ec7t c\u1ee7a ho\u1ea1t \u0111\u1ed9ng EDM. S\u1ef1 gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t bi\u1ec3u hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc ch\u1eadm \u2014 h\u00ecnh d\u1ea1ng \u0111i\u1ec7n c\u1ef1c thay \u0111\u1ed5i nh\u1eb9 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, \u0111\u1ed9c l\u1eadp v\u1edbi s\u1ef1 m\u00e0i m\u00f2n c\u00f3 ch\u1ee7 \u00fd, g\u00e2y ra l\u1ed7i t\u00edch l\u0169y tr\u00ean m\u1ed9t l\u00f4 s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-1024x683.png\" alt=\"M\u00e1y c\u1eaft than ch\u00ec\" class=\"wp-image-4754\" title=\"Dung d\u1ecbch c\u1eaft than ch\u00ec\" srcset=\"https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-1024x683.png 1024w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-300x200.png 300w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-768x512.png 768w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-18x12.png 18w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2-600x400.png 600w, https:\/\/www.graphitecutting.com\/wp-content\/uploads\/2026\/07\/graphite-electrode-surface-quality-edm2.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c than ch\u00ec v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ebfn n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t khu\u00f4n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1eadu qu\u1ea3 c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c than ch\u00ec kh\u00f4ng d\u1eebng l\u1ea1i \u1edf b\u1ea3n th\u00e2n \u0111i\u1ec7n c\u1ef1c. Ch\u00fang lan truy\u1ec1n qua quy tr\u00ecnh EDM v\u00e0o h\u00ecnh d\u1ea1ng l\u00f2ng khu\u00f4n, sau \u0111\u00f3 v\u00e0o c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb c\u00e1c khu\u00f4n \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 lan truy\u1ec1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c<\/strong> \u2192 inconsistent discharge behavior \u2192 workpiece surface variation<\/li>\n\n\n\n<li><strong>Workpiece surface variation<\/strong> \u2192 mold cavity geometry errors \u2192 surface finish below specification<\/li>\n\n\n\n<li><strong>Mold cavity errors<\/strong> \u2192 product dimensional deviation \u2192 part rejection or rework<\/li>\n\n\n\n<li><strong>Part rejection<\/strong> \u2192 scrap cost, rework cost, schedule delay<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Each step in this cascade amplifies the original defect. A micro-burr on an electrode edge that causes 0.05 mm of inconsistent workpiece removal may translate into a 0.03 mm dimensional error in the mold cavity \u2014 which may then produce surface defects or parting-line mismatch in every part run from that mold until the tool is repaired.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The economic implication is that graphite electrode surface quality is not priced at the electrode level. It is priced at the mold level and ultimately at the production run level. An electrode that cost less to cut but delivered a compromised surface may cost significantly more in downstream consequences than the savings at the cutting stage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This cascade effect is why investment in upstream surface quality \u2014 through appropriate cutting process selection \u2014 consistently shows better returns than investment in downstream rework and secondary finishing. Preventing a surface defect at the cutting stage costs nothing extra if the cutting process is already capable. Recovering from a surface defect downstream requires additional operations, additional cycle time, and in some cases, electrode replacement before the workpiece is complete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The connection between cutting economics and electrode material efficiency is examined in <a href=\"https:\/\/www.graphitecutting.com\/vi\/ton-that-vat-lieu-do-ranh-cat-dien-cuc-graphite\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u1ed5n th\u1ea5t v\u1eadt li\u1ec7u do r\u00e3nh c\u1eaft \u0111i\u1ec7n c\u1ef1c graphite<\/a>, which covers how the cutting process affects both material waste and overall electrode production cost.<\/p>\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<iframe  id=\"_ytid_16632\"  width=\"640\" height=\"360\"  data-origwidth=\"640\" data-origheight=\"360\" src=\"https:\/\/www.youtube.com\/embed\/BM77TjP-09E?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"Tr\u00ecnh ph\u00e1t YouTube\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why Post-Cutting Finishing Cannot Fully Recover Poor Surface State<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Secondary finishing operations \u2014 lapping, hand dressing, surface grinding \u2014 are a standard part of electrode production. They are not, however, a reliable substitute for cutting quality when graphite electrode surface quality was not achieved at the cutting stage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The limitations are structural. Finishing operations work from the outer surface inward: they can reduce Ra, smooth visible roughness, and dress accessible edges. They cannot reach subsurface damage that lies beneath the workable finishing depth. An electrode with a 0.15 mm subsurface microcrack layer can be finished to a visually clean Ra of 0.6 \u03bcm \u2014 and still carry the structural damage that will accelerate wear during EDM, because the finishing depth did not reach the crack front.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Edge chipping is partially recoverable if the chip is small and on a non-critical feature. On sharp corners or thin ribs that define the electrode\u2019s designed geometry, material cannot be added to recover a chip. The electrode either goes to use with a compromised edge or is rejected and recut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Surface contamination from abrasive cutting processes \u2014 embedded abrasive particles, chemically bonded cutting fluid residue \u2014 is difficult to remove completely through standard cleaning and finishing. Ultrasonic cleaning can reduce surface contamination, but particles embedded in surface pores during aggressive abrasive cutting may persist through the cleaning process and remain at the discharge surface during EDM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The practical outcome is that secondary finishing adds cost, adds process time, and recovers less than its application suggests. A production process that relies on secondary finishing to compensate for poor cutting quality is paying twice \u2014 once for the inadequate cut, and again for the recovery operation \u2014 while still accepting elevated risk from subsurface damage that finishing cannot address.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preventing surface quality problems at the cutting stage, rather than recovering from them downstream, is the consistent finding across precision electrode manufacturing operations. As the <a href=\"https:\/\/www.graphitecutting.com\/vi\/edm-graphite-electrode-cutting\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u1eaft \u0111i\u1ec7n c\u1ef1c \u0111\u1ed3 ch\u00ec EDM<\/a> process resource details, the cutting stage is the most cost-effective point in the production chain to establish surface quality because it is the point where the material\u2019s condition is still undivided \u2014 before shaping, before finishing, and before any downstream decisions have been made.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If graphite electrode surface quality is a recurring problem in your electrode production \u2014 showing up as inconsistent EDM performance, unexplained electrode wear variation, or elevated mold rejection rates \u2014 the diagnosis most often points back to the cutting process. Contact us to discuss what your current cutting method is delivering and what a higher-quality cut surface looks like in practice.<\/p>","protected":false},"excerpt":{"rendered":"<p>Graphite electrode surface quality is not a finishing concern \u2014 it is a cutting outcome. By the time an electrode reaches the EDM machine, its surface state has already been set by the cutting process that produced the blank. Finishing operations can refine what cutting delivers, but they cannot fundamentally reverse damage that originates at [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","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":"","ast-disable-related-posts":"","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-4)","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-4)","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-4)","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":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4751","post","type-post","status-publish","format-standard","hentry","category-news-insights"],"_links":{"self":[{"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/posts\/4751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/comments?post=4751"}],"version-history":[{"count":1,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/posts\/4751\/revisions"}],"predecessor-version":[{"id":4755,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/posts\/4751\/revisions\/4755"}],"wp:attachment":[{"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/media?parent=4751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/categories?post=4751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graphitecutting.com\/vi\/wp-json\/wp\/v2\/tags?post=4751"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}