{"id":4887,"date":"2026-11-10T18:00:00","date_gmt":"2026-11-11T02:00:00","guid":{"rendered":"https:\/\/www.graphitecutting.com\/?p=4887"},"modified":"2026-10-29T03:10:48","modified_gmt":"2026-10-29T10:10:48","slug":"ton-that-nang-suat-cat-khoi-graphite","status":"publish","type":"post","link":"https:\/\/www.graphitecutting.com\/vi\/graphite-block-cutting-yield-loss\/","title":{"rendered":"N\u0103ng su\u1ea5t c\u1eaft kh\u1ed1i graphite: T\u00e1ch ri\u00eang r\u00e3nh c\u1eaft, dung sai gia c\u00f4ng v\u00e0 v\u1eadt li\u1ec7u ph\u1ebf"},"content":{"rendered":"

N\u0103ng su\u1ea5t c\u1eaft kh\u1ed1i graphite t\u0103ng l\u00ean khi nhi\u1ec1u ph\u00f4i nh\u1eadp v\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn \u1edf \u0111i\u1ec1u ki\u1ec7n giao h\u00e0ng y\u00eau c\u1ea7u. \u0110\u01b0\u1eddng c\u1eaft h\u1eb9p h\u01a1n c\u00f3 th\u1ec3 h\u1eefu \u00edch, nh\u01b0ng kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho m\u1ed9t ph\u00f4i c\u1ea7n s\u1eeda ch\u1eefa qu\u00e1 nhi\u1ec1u ho\u1eb7c kh\u00f4ng th\u1ec3 ho\u00e0n thi\u1ec7n theo k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n

L\u1eadp c\u00e2n b\u1eb1ng v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi so s\u00e1nh m\u00e1y. N\u00eau r\u00f5 nh\u1eefng g\u00ec \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng, nh\u1eefng g\u00ec r\u1eddi \u0111i d\u01b0\u1edbi d\u1ea1ng s\u1ea3n l\u01b0\u1ee3ng ch\u1ea5p nh\u1eadn v\u00e0 nh\u1eefng g\u00ec c\u00f2n l\u1ea1i d\u01b0\u1edbi d\u1ea1ng v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 thu h\u1ed3i. N\u1ebfu kh\u00f4ng c\u00f3 ranh gi\u1edbi \u0111\u00f3, hai t\u1ef7 l\u1ec7 n\u0103ng su\u1ea5t h\u1ea5p d\u1eabn c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 nh\u1eefng th\u1ee9 kh\u00e1c nhau.<\/p>\n\n\n\n

C\u00e1c industrial graphite block cutting page<\/a> bao g\u1ed3m chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung v\u00e0o k\u1ebf to\u00e1n v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh ph\u00e2n chia ban \u0111\u1ea7u, thay v\u00ec l\u1ee3i nhu\u1eadn kinh doanh chung ho\u1eb7c n\u0103ng su\u1ea5t t\u1ea5m h\u1ea1 ngu\u1ed3n.<\/p>\n\n\n\n

\"N\u0103ng
Figure 1. Large graphite stock and a separated section on supports.<\/figcaption><\/figure>\n\n\n\n

X\u00e1c \u0111\u1ecbnh Ranh gi\u1edbi N\u0103ng su\u1ea5t C\u1eaft Kh\u1ed1i Graphite<\/h2>\n\n\n\n

Ch\u1ecdn c\u01a1 s\u1edf nh\u1ea5t qu\u00e1n: th\u1ec3 t\u00edch, kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng ph\u00f4i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Ghi l\u1ea1i xem s\u1ea3n l\u01b0\u1ee3ng ch\u1ea5p nh\u1eadn c\u00f3 ngh\u0129a l\u00e0 ph\u00f4i sau c\u1eaft hay b\u1ed9 ph\u1eadn ho\u00e0n thi\u1ec7n. Kh\u00f4ng so s\u00e1nh kh\u1ea3 n\u0103ng thu h\u1ed3i ph\u00f4i d\u1ef1a tr\u00ean th\u1ec3 t\u00edch v\u1edbi n\u0103ng su\u1ea5t b\u1ed9 ph\u1eadn ho\u00e0n thi\u1ec7n d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng.<\/p>\n\n\n\n

N\u1ebfu s\u1eed d\u1ee5ng kh\u1ed1i l\u01b0\u1ee3ng, h\u00e3y x\u00e1c \u0111\u1ecbnh v\u1eadt li\u1ec7u v\u00e0 c\u01a1 s\u1edf \u0111o l\u01b0\u1eddng. N\u1ebfu s\u1eed d\u1ee5ng th\u1ec3 t\u00edch, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1c k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n n\u00f3. M\u1ed9t bao v\u1eadt li\u1ec7u danh ngh\u0129a c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf c\u00f2n l\u1ea1i xung quanh c\u00e1c g\u00f3c b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n

Gi\u1eef nguy\u00ean \u0111\u1ecbnh danh lo\u1ea1i v\u1eadt li\u1ec7u khi so s\u00e1nh c\u00e1c c\u00f4ng vi\u1ec7c. SGL Carbon ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i graphite \u0111\u1eb3ng h\u01b0\u1edbng c\u1ee7a m\u00ecnh<\/a>. Tr\u00e1nh d\u1ecbch m\u1ed9t so s\u00e1nh h\u00ecnh h\u1ecdc th\u00e0nh m\u1ed9t tuy\u00ean b\u1ed1 chi ph\u00ed v\u1eadt li\u1ec7u m\u00e0 kh\u00f4ng x\u00e1c nh\u1eadn lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 c\u01a1 s\u1edf mua h\u00e0ng c\u00f3 li\u00ean quan.<\/p>\n\n\n\n

Gi\u1eef c\u00e1c ph\u1ea7n c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 thu h\u1ed3i t\u00e1ch bi\u1ec7t v\u1edbi c\u00e1c ph\u00f4i \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. M\u1ed9t ph\u1ea7n c\u00f2n l\u1ea1i h\u1eefu \u00edch c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb trong t\u01b0\u01a1ng lai, nh\u01b0ng n\u00f3 kh\u00f4ng tr\u1edf th\u00e0nh s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a \u0111\u01a1n h\u00e0ng hi\u1ec7n t\u1ea1i cho \u0111\u1ebfn khi n\u00f3 \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng v\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n\n\n\n

Ph\u00e2n chia T\u1ed5n th\u1ea5t V\u1eadt li\u1ec7u th\u00e0nh c\u00e1c Danh m\u1ee5c H\u1eefu \u00edch<\/h2>\n\n\n\n

Ghi l\u1ea1i ri\u00eang bi\u1ec7t \u0111\u01b0\u1eddng c\u1eaft, ph\u1ea7n c\u1eaft theo k\u1ebf ho\u1ea1ch, dung sai gia c\u00f4ng, ph\u1ea7n c\u00f2n l\u1ea1i kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c v\u00e0 c\u00e1c ph\u00f4i b\u1ecb lo\u1ea1i b\u1ecf. C\u00e1c danh m\u1ee5c n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c kh\u00e1c nhau. Gi\u1ea3m chi\u1ec1u r\u1ed9ng c\u1eaft s\u1ebd kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t ph\u00f4i b\u1ecb lo\u1ea1i b\u1ecf do m\u1ed1i quan h\u1ec7 d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

Dung sai x\u1ee9ng \u0111\u00e1ng \u0111\u01b0\u1ee3c quan t\u00e2m \u0111\u1eb7c bi\u1ec7t. V\u1eadt li\u1ec7u d\u00e0nh cho ho\u00e0n thi\u1ec7n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ph\u00f4i sau c\u1eaft, kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed5n th\u1ea5t \u0111\u01b0\u1eddng c\u1eaft. Khi \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng thu h\u1ed3i b\u1ed9 ph\u1eadn ho\u00e0n thi\u1ec7n, ph\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf sau \u0111\u00f3 thu\u1ed9c v\u1ec1 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng h\u1ea1 ngu\u1ed3n.<\/p>\n\n\n\n

Kh\u00f4ng t\u00ednh to\u00e0n b\u1ed9 h\u1ed9p gi\u1edbi h\u1ea1n h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 v\u1eadt li\u1ec7u thu h\u1ed3i n\u1ebfu ch\u1ec9 m\u1ed9t ph\u1ea7n kh\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. T\u01b0\u01a1ng t\u1ef1, kh\u00f4ng lo\u1ea1i b\u1ecf t\u1ef1 \u0111\u1ed9ng m\u1ecdi ph\u1ea7n c\u00f2n l\u1ea1i nh\u1ecf. X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, \u0111i\u1ec1u ki\u1ec7n v\u00e0 quy t\u1eafc l\u01b0u tr\u1eef l\u00e0m cho m\u1ed9t m\u1ea3nh c\u1eaft c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi n\u0103ng su\u1ea5t c\u1eaft kh\u1ed1i graphite, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c danh m\u1ee5c \u0111\u1ec3 gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3, kh\u00f4ng ch\u1ec9 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t t\u1ed5ng s\u1ed1 thu\u1eadn l\u1ee3i. Sau \u0111\u00f3, c\u00f3 th\u1ec3 li\u00ean k\u1ebft m\u1ed9t c\u1ea3i ti\u1ebfn c\u00f3 \u00fd ngh\u0129a v\u1edbi s\u1ef1 thay \u0111\u1ed5i v\u1ec1 b\u1ed1 c\u1ee5c, s\u1ed1 l\u01b0\u1ee3ng c\u1eaft, dung sai ho\u1eb7c ch\u1ea5p nh\u1eadn.<\/p>\n\n\n\n

T\u00ednh to\u00e1n B\u1ed1 c\u1ee5c \u0111\u01b0\u1ee3c Ghi nh\u00e3n R\u00f5 r\u00e0ng<\/h2>\n\n\n\n
\"N\u0103ng
H\u00ecnh 2. M\u1ed9t ph\u00f4i graphite v\u00e0 m\u1ed9t m\u1ea3nh \u0111\u01b0\u1ee3c t\u00e1ch ra tr\u00ean b\u00e0n m\u00e1y; kh\u00f4ng c\u00f3 t\u1ef7 l\u1ec7 thu h\u1ed3i v\u1eadt li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/figcaption><\/figure>\n\n\n\n

H\u00e3y xem x\u00e9t m\u1ed9t b\u00e0i to\u00e1n chia m\u1ed9t chi\u1ec1u minh h\u1ecda, kh\u00f4ng ph\u1ea3i b\u00e0i ki\u1ec3m tra Vimfun. M\u1ed9t k\u00edch th\u01b0\u1edbc v\u1eadt li\u1ec7u 500 mm \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00f4i 70 mm. Gi\u1ea3 s\u1eed b\u1ea3y ph\u00f4i v\u00e0 s\u00e1u \u0111\u01b0\u1eddng c\u1eaft t\u00e1ch bi\u1ec7t, m\u1ed7i \u0111\u01b0\u1eddng r\u1ed9ng 0,8 mm, kh\u00f4ng c\u00f3 c\u1eaft \u0111\u1ea7u cho ph\u00e9p t\u00ednh \u0111\u01a1n gi\u1ea3n h\u00f3a n\u00e0y.<\/p>\n\n\n\n

Chi\u1ec1u d\u00e0i y\u00eau c\u1ea7u l\u00e0 `7 \u00d7 70 + 6 \u00d7 0,8 = 494,8 mm`, c\u00f2n l\u1ea1i 5,2 mm theo h\u01b0\u1edbng \u0111\u00f3. Ph\u00e2n b\u1ed5 chi\u1ec1u d\u00e0i ph\u00f4i l\u00e0 490 mm. Ph\u00e9p t\u00ednh cho bi\u1ebft b\u1ed1 c\u1ee5c danh ngh\u0129a ph\u00f9 h\u1ee3p; n\u00f3 kh\u00f4ng n\u00f3i g\u00ec v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1eaft th\u1ef1c t\u1ebf ho\u1eb7c li\u1ec7u ph\u1ea7n c\u00f2n l\u1ea1i c\u00f3 h\u1eefu \u00edch hay kh\u00f4ng.<\/p>\n\n\n\n

B\u00e2y gi\u1edd gi\u1ea3 s\u1eed 1 mm dung sai ho\u00e0n thi\u1ec7n \u1edf m\u1ed7i b\u00ean theo chi\u1ec1u \u0111\u00f3. M\u1ed7i ph\u00f4i tr\u1edf th\u00e0nh 72 mm tr\u01b0\u1edbc khi ho\u00e0n thi\u1ec7n. B\u1ed1 c\u1ee5c t\u01b0\u01a1ng t\u1ef1 s\u1ebd y\u00eau c\u1ea7u `7 \u00d7 72 + 6 \u00d7 0,8 = 508,8 mm`, v\u00ec v\u1eady n\u00f3 kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p trong 500 mm.<\/p>\n\n\n\n

\u0110i\u1ec1u ki\u1ec7n minh h\u1ecda<\/th>Chi\u1ec1u d\u00e0i v\u1eadt li\u1ec7u y\u00eau c\u1ea7u<\/th>Outcome<\/th><\/tr><\/thead>
B\u1ea3y ph\u00f4i 70 mm; s\u00e1u \u0111\u01b0\u1eddng c\u1eaft gi\u1ea3 \u0111\u1ecbnh 0,8 mm<\/td>494,8 mm<\/td>Ph\u00f9 h\u1ee3p danh ngh\u0129a tr\u01b0\u1edbc c\u00e1c dung sai kh\u00e1c<\/td><\/tr>
B\u1ea3y ph\u00f4i 72 mm; c\u00e1c \u0111\u01b0\u1eddng c\u1eaft gi\u1ea3 \u0111\u1ecbnh t\u01b0\u01a1ng t\u1ef1<\/td>508,8 mm<\/td>Kh\u00f4ng ph\u00f9 h\u1ee3p<\/td><\/tr>
B\u1ed1 c\u1ee5c s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf<\/td>Y\u00eau c\u1ea7u \u0111\u1ea7u v\u00e0o \u0111o l\u01b0\u1eddng<\/td>Ki\u1ec3m tra ph\u1ea7n c\u1eaft, h\u00ecnh h\u1ecdc v\u00e0 ch\u1ea5p nh\u1eadn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u1ede \u0111\u00e2y 0,8 mm l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng c\u1eaft gi\u1ea3 \u0111\u1ecbnh cho s\u1ed1 h\u1ecdc. \u0110\u01b0\u1eddng k\u00ednh d\u00e2y kh\u00f4ng t\u1ef1 \u0111\u1ed9ng l\u00e0 \u0111\u01b0\u1eddng c\u1eaft \u0111o \u0111\u01b0\u1ee3c. Gi\u1eef s\u1ef1 ph\u00e2n bi\u1ec7t \u0111\u00f3 r\u00f5 r\u00e0ng khi thay th\u1ebf c\u00e1c gi\u1ea3 \u0111\u1ecbnh b\u1eb1ng d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n

C\u1ea3i thi\u1ec7n N\u0103ng su\u1ea5t C\u1eaft Kh\u1ed1i Graphite Th\u00f4ng qua B\u1ed1 c\u1ee5c<\/h2>\n\n\n\n

B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c k\u00edch th\u01b0\u1edbc ph\u00f4i y\u00eau c\u1ea7u v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u1ecbnh h\u01b0\u1edbng. Xem x\u00e9t li\u1ec7u th\u1ee9 t\u1ef1 ph\u00e2n chia kh\u00e1c nhau c\u00f3 t\u1ea1o ra c\u00e1c ph\u1ea7n c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c thay v\u00ec ph\u1ebf li\u1ec7u h\u1eb9p hay kh\u00f4ng. Xem x\u00e9t c\u00e1c h\u1eadu qu\u1ea3 h\u1ed7 tr\u1ee3 v\u00e0 x\u1eed l\u00fd tr\u01b0\u1edbc khi ch\u1ea5p nh\u1eadn m\u1ed9t b\u1ed1 c\u1ee5c d\u00e0y \u0111\u1eb7c h\u01a1n.<\/p>\n\n\n\n

Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c v\u1ecb tr\u00ed c\u1eaft danh ngh\u0129a m\u00e0 kh\u00f4ng ki\u1ec3m tra dung sai c\u1ee7a ch\u00fang v\u00e0 bao v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf. M\u1ed9t b\u1ed1 c\u1ee5c ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o tr\u00ean gi\u1ea5y c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i khi bao g\u1ed3m ph\u1ea7n c\u1eaft \u0111\u1ea7u, v\u1eadt li\u1ec7u \u0111\u1ecbnh v\u1ecb ho\u1eb7c m\u1ed9t l\u1ea7n ch\u1ea1y l\u00e0m s\u1ea1ch c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

Gi\u1ea3m c\u00e1c l\u1ea7n c\u1eaft kh\u00f4ng c\u1ea7n thi\u1ebft n\u1ebfu h\u00ecnh h\u1ecdc cho ph\u00e9p, nh\u01b0ng h\u00e3y so s\u00e1nh t\u00ecnh tr\u1ea1ng ph\u00f4i k\u1ebft qu\u1ea3. M\u1ed9t l\u1ea7n ch\u1ea1y \u0111\u01b0\u1ee3c ti\u1ebft ki\u1ec7m c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t tham chi\u1ebfu k\u00e9m h\u1eefu \u00edch h\u01a1n ho\u1eb7c m\u1ed9t ph\u1ea7n c\u00f2n l\u1ea1i kh\u00f3 x\u1eed l\u00fd. Gi\u1eef t\u00ednh th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t trong c\u00f9ng m\u1ed9t \u0111\u00e1nh gi\u00e1 v\u1edbi kh\u1ea3 n\u0103ng thu h\u1ed3i.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng low-kerf graphite cutting guide<\/a> cho kinh t\u1ebf h\u1ecdc v\u1ec1 chi\u1ec1u r\u1ed9ng c\u1eaft. Quy\u1ebft \u0111\u1ecbnh c\u1ee5 th\u1ec3 cho kh\u1ed1i \u1edf \u0111\u00e2y l\u00e0 li\u1ec7u b\u1ed1 c\u1ee5c ban \u0111\u1ea7u ho\u00e0n ch\u1ec9nh c\u00f3 t\u1ea1o ra c\u00e1c ph\u00f4i \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn v\u00e0 c\u00e1c ph\u1ea7n c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c hay kh\u00f4ng.<\/p>\n\n\n\n

Video: B\u1ed1i c\u1ea3nh ph\u00e2n chia v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u<\/h3>\n\n\n\n