{"id":533,"date":"2018-10-20T23:58:15","date_gmt":"2018-10-20T16:58:15","guid":{"rendered":"http:\/\/hieuchuan3d.com\/?p=533"},"modified":"2021-01-11T19:04:58","modified_gmt":"2021-01-11T12:04:58","slug":"cac-phuong-phap-do-kich-thuoc-san-pham","status":"publish","type":"post","link":"https:\/\/backup.hieuchuan3d.com\/ja\/cac-phuong-phap-do-kich-thuoc-san-pham\/","title":{"rendered":"(Ti\u1ebfng Vi\u1ec7t) C\u00c1C PH\u01af\u01a0NG PH\u00c1P \u0110O K\u00cdCH TH\u01af\u1edaC S\u1ea2N PH\u1ea8M"},"content":{"rendered":"

\u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u3001\u3053\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u305f\u3060\u4eca\u3000\u30d9\u30c8\u30ca\u30e0\u8a9e<\/a>\u3000\u306e\u307f\u3067\u3059\u3002 For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

C\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n th\u00ec c\u00e0ng y\u00eau c\u1ea7u nh\u1eefng m\u00e1y m\u00f3c, s\u1ea3n ph\u1ea9m c\u00f3 <\/span>\u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/span>, \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, t\u00ednh th\u1ea9m m\u1ef9. Nh\u1eefng s\u1ea3n ph\u1ea9m ho\u1eb7c chi ti\u1ebft cao c\u1ea5p y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn micromet, nh\u1eefng d\u1ee5ng c\u1ee5 m\u00e1y m\u00f3c \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi m\u1ee9c ch\u00ednh x\u00e1c cao h\u01a1n l\u00e0 \u0111\u1ebfn nanomet th\u1eadm ch\u00ed \u0111\u1ebfn picomet. Trong s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m<\/a><\/span> c\u00f4ng nghi\u1ec7p \u1edf Vi\u1ec7t Nam hi\u1ec7n nay, c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc bao g\u1ed3m:
\n<\/span><\/p>\n

1. C\u00e1c thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 \u0111o k\u00edch th\u01b0\u1edbc \u0111\u01a1n ch\u1ee9c n\u0103ng
\n<\/span><\/strong>1.1 Panme, th\u01b0\u1edbc k\u1eb9p<\/strong><\/span><\/p>\n

\"\"<\/span>Panme<\/span>, <\/span>th\u01b0\u1edbc k\u1eb9p <\/span>l\u00e0 nh\u1eefng d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn nh\u1ea5t, v\u1edbi \u01b0u \u0111i\u1ec3m gi\u00e1 r\u1ebb, d\u1ec5 s\u1eed d\u1ee5ng, d\u1ec5 b\u1ea3o qu\u1ea3n, g\u1ecdn nh\u1eb9, t\u00ednh \u1ed5n \u0111\u1ecbnh cao, \u0111\u1ed9 b\u1ec1n cao. M\u1eabu m\u00e3 \u0111a d\u1ea1ng nh\u01b0 hi\u1ec3n th\u1ecb c\u01a1, hi\u1ec3n th\u1ecb \u0111\u1ed3ng h\u1ed3, hi\u1ec3n th\u1ecb \u0111i\u1ec7n t\u1eed. C\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u1ea7u \u0111o\u00a0v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 \u0111o kho\u1ea3ng c\u00e1ch, \u0111\u01b0\u1eddng k\u00ednh trong ngo\u00e0i, \u0111o ren, \u0111o \u0111i\u1ec3m, \u0111o s\u00e2u\u2026. Th\u01b0\u1edbc k\u1eb9p \u0111o \u0111\u01b0\u1ee3c v\u1edbi k\u00edch th\u01b0\u1edbc l\u1edbn, c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn c\u1ea3 met tuy nhi\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i kh\u00f4ng cao, ch\u1ec9 0.01mm, ngo\u00e0i ra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o tay ng\u01b0\u1eddi \u0111o. Panme c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n \u0111\u1ebfn 0.001mm, nh\u01b0ng kho\u1ea3ng \u0111o t\u1ed1i \u0111a ch\u1ec9 25mm n\u00ean r\u1ea5t b\u1ea5t ti\u1ec7n khi \u0111o v\u1edbi c\u00e1c lo\u1ea1i k\u00edch th\u01b0\u1edbc kh\u00e1c nhau.<\/span><\/p>\n


\n<\/span>1.2 \u0110\u1ed3ng h\u1ed3 so<\/strong><\/span><\/p>\n

\"K\u00e1\u00ba\u00bft<\/span>\u0110\u1ed3ng h\u1ed3 so \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc h\u01a1n l\u00e0 panme, th\u01b0\u1edbc k\u1eb9p do s\u1ef1 h\u1ea1n ch\u1ebf c\u1ee7a nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 l\u00e0 th\u00e2n c\u1ed1 \u0111\u1ecbnh ch\u1ec9 c\u00f3 1 \u0111\u1ea7u \u0111o ti\u1ebfp x\u00fac v\u1edbi v\u1eadt c\u1ea7n \u0111o. \u0110\u1ed3ng h\u1ed3 so ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 so, r\u00e0 nh\u01b0 so chi\u1ec1u cao, so \u0111\u1ed9 s\u00e2u, so \u0111\u1ed9 ph\u1eb3ng, tr\u00f2n tr\u1ee5, \u0111\u1ed3ng t\u00e2m\u2026\u2026 Tuy nhi\u00ean trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft \u0111\u1ed3ng h\u1ed3 so c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc. V\u1edbi d\u1ea3i so th\u1ea5p t\u1eeb 0~25mm (ch\u1ee7 y\u1ebfu \u0111\u1ec3 so, r\u00e0) \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 0.001mm, v\u1edbi d\u1ea3i \u0111o l\u1edbn t\u1eeb 0~100mm \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u1ea1i th\u1ea5p h\u01a1n, ch\u1ec9 0.01mm.<\/span><\/p>\n


\n<\/span>1.3 C\u00e1c lo\u1ea1i d\u01b0\u1ee1ng ki\u1ec3m<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u0110\u1ec3 ki\u1ec3m tra nhanh ho\u1eb7c ki\u1ec3m tra s\u1ea3n ph\u1ea9m s\u1ea3n xu\u1ea5t c\u00f3 \u0111\u00fang theo m\u1ed9t chu\u1ea9n c\u1ed1 \u0111\u1ecbnh hay kh\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i\u00a0<\/span>d\u01b0\u1ee1ng ki\u1ec3m<\/span>. \u0110\u00e2y l\u00e0 nh\u1eefng lo\u1ea1i d\u01b0\u1ee1ng \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t theo \u0111\u00fang k\u00edch th\u01b0\u1edbc \u0111\u1ecbnh s\u1eb5n, ch\u1ec9 vi\u1ec7c \u0111\u1eb7t l\u00ean v\u1ecb tr\u00ed c\u1ea7n ki\u1ec3m tra l\u00e0 bi\u1ebft c\u00f3 \u0111\u1ea1t hay kh\u00f4ng \u0111\u1ea1t. C\u00e1c lo\u1ea1i d\u01b0\u1ee1ng ki\u1ec3m bao g\u1ed3m d\u01b0\u1ee1ng d\u00e0i, kho\u1ea3ng c\u00e1ch, d\u01b0\u1ee1ng khe, d\u01b0\u1ee1ng l\u1ed7, d\u01b0\u1ee1ng ren trong hay ren ngo\u00e0i, d\u01b0\u1ee1ng g\u00f3c, \u0111\u01b0\u1eddng k\u00ednh, d\u01b0\u1ee1ng \u0111o khe h\u1edf, eke vu\u00f4ng, d\u01b0\u1ee1ng c\u00f4n\u2026.. C\u00e1c lo\u1ea1i d\u01b0\u1ee1ng ki\u1ec3m n\u00e0y kh\u00f4ng \u0111o \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc, ch\u1ec9 d\u00f9ng \u0111\u1ec3 <\/span>ki\u1ec3m tra <\/span>nhanh xem s\u1ea3n ph\u1ea9m \u0111\u1ea1t hay kh\u00f4ng \u0111\u1ea1t.<\/span><\/p>\n


\n<\/span>2. C\u00e1c thi\u1ebft b\u1ecb d\u1ee5ng c\u1ee5 \u0111o k\u00edch th\u01b0\u1edbc \u0111a ch\u1ee9c n\u0103ng
\n<\/span><\/strong>2.1 M\u00e1y chi\u1ebfu bi\u00ean d\u1ea1ng<\/strong><\/span><\/p>\n

\"\"<\/p>\n

M\u00e1y chi\u1ebfu bi\u00ean d\u1ea1ng <\/span>ho\u1ea1t \u0111\u1ed9ng tr\u00ean nguy\u00ean t\u1eafc ph\u00f3ng to h\u00ecnh chi\u1ebfu c\u1ee7a v\u1eadt c\u1ea7n \u0111o l\u00ean m\u1ed9t m\u00e0n chi\u1ebfu, h\u00ecnh \u1ea3nh nh\u00ecn th\u1ea5y tr\u00ean m\u00e0n chi\u1ebfu l\u00e0 b\u00f3ng c\u1ee7a v\u1eadt th\u1ec3. V\u1eadt th\u1ec3 c\u00f3 th\u1ec3 ph\u00f3ng to l\u00ean v\u00e0i ch\u1ee5c l\u1ea7n t\u00f9y v\u00e0o v\u1eadt k\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. T\u1eeb \u0111\u00e2y c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c c\u00e1c k\u00edch th\u01b0\u1edbc ph\u1eb3ng theo 2 chi\u1ec1u X\/Y b\u1eb1ng c\u00e1ch \u0111\u00e1nh d\u1ea5u r\u1ed3i di chuy\u1ec3n b\u00e0n di m\u1eabu, \u0111o g\u00f3c b\u1eb1ng c\u00e1ch \u0111\u00e1nh d\u1ea5u r\u1ed3i quay g\u00f3c c\u1ee7a m\u00e0n chi\u1ebfu, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh ho\u1eb7c b\u00e1n k\u00ednh b\u1eb1ng c\u00e1ch \u0111\u1eb7t d\u01b0\u1ee1ng c\u00f3 s\u1eb5n l\u00ean m\u00e0n chi\u1ebfu \u0111\u1ec3 so. \u01afu \u0111i\u1ec3m c\u1ee7a m\u00e1y chi\u1ebfu bi\u00ean d\u1ea1ng l\u00e0 c\u00f3 th\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c v\u1eadt nh\u1ecf, \u0111o \u0111\u01b0\u1ee3c nhi\u1ec1u lo\u1ea1i k\u00edch th\u01b0\u1edbc g\u1ed3m kho\u1ea3ng c\u00e1ch, g\u00f3c, \u0111\u01b0\u1eddng k\u00ednh v\u1edbi d\u1ea3i \u0111o l\u1edbn, \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ebfn 0.001mm. H\u00ecnh \u1ea3nh tr\u00ean m\u00e0n chi\u1ebfu ch\u1ec9 l\u00e0 b\u00f3ng c\u1ee7a v\u1eadt th\u1ec3 n\u00ean ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 \u0111o bi\u00ean d\u1ea1ng ngo\u00e0i c\u1ee7a s\u1ea3n ph\u1ea9m (n\u00ean g\u1ecdi l\u00e0 m\u00e1y chi\u1ebfu bi\u00ean d\u1ea1ng) m\u00e0 kh\u00f4ng th\u1ec3 \u0111o \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i k\u00edch th\u01b0\u1edbc tr\u00ean m\u1eb7t s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i k\u00edch th\u01b0\u1edbc kh\u00e1c<\/span><\/p>\n

2.2 M\u00e1y \u0111o t\u1ecda \u0111\u1ed9 2 chi\u1ec1u, 3 chi\u1ec1u \u2013 video measuring machine<\/span><\/strong><\/p>\n

\"\"<\/span>M\u00e1y \u0111o t\u1ecda \u0111\u1ed9 2 chi\u1ec1u <\/span>m\u1edbi \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y v\u00e0 ng\u00e0y c\u00e0ng kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a n\u00f3. M\u00e1y l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa b\u00e0n di m\u1eabu c\u01a1 kh\u00ed c\u00f3 g\u1eafn th\u01b0\u1edbc quang h\u1ecdc, camera k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 ph\u1ea7n m\u1ec1m \u0111o l\u01b0\u1eddng t\u00edch h\u1ee3p. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u00e0n di m\u1eabu, h\u00ecnh \u1ea3nh \u0111i qua b\u1ed9 th\u1ea5u k\u00ednh quang h\u1ecdc c\u00f3 m\u1ee9c ph\u00f3ng \u0111\u1ea1i t\u1eeb v\u00e0i l\u1ea7n \u0111\u1ebfn v\u00e0i tr\u0103m l\u1ea7n \u0111\u1ebfn camera k\u1ef9 thu\u1eadt s\u1ed1 r\u1ed3i xu\u1ea5t sang ph\u1ea7n m\u1ec1m tr\u00ean m\u00e1y t\u00ednh. L\u00fac n\u00e0y ph\u1ea7n m\u1ec1m d\u1ef1a v\u00e0o h\u00ecnh \u1ea3nh v\u00e0 t\u1ecda \u0111\u1ed9 2 chi\u1ec1u c\u1ee7a th\u01b0\u1edbc quang tr\u00ean b\u00e0n di m\u1eabu c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ea1c c\u00e1c k\u00edch th\u01b0\u1edbc tr\u00ean s\u1ea3n ph\u1ea9m. Ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u1ec9 c\u1ea7n nh\u00ecn h\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m tr\u00ean ph\u1ea7n m\u1ec1m v\u00e0 \u0111o c\u00e1c lo\u1ea1i k\u00edch th\u01b0\u1edbc t\u1eeb \u0111\u01a1n gi\u1ea3n nh\u01b0 \u0111i\u1ec3m, kho\u1ea3ng c\u00e1ch, g\u00f3c, cung tr\u00f2n, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ebfn c\u00e1c k\u00edch th\u01b0\u1edbc k\u1ebft h\u1ee3p nh\u01b0 kho\u1ea3ng c\u00e1ch gi\u1eefa \u0111i\u1ec3m v\u1edbi \u0111\u01b0\u1eddng, kho\u1ea3ng c\u00e1ch gi\u1eefa 2 \u0111\u01b0\u1eddng, g\u00f3c 2 ti\u1ebfp tuy\u1ebfn, kho\u1ea3ng c\u00e1ch gi\u1eefa 2 t\u00e2m \u0111\u01b0\u1eddng tr\u00f2n, \u0111\u01b0\u1eddng trung
\ntuy\u1ebfn\u2026. <\/span><\/p>\n

M\u00e1y \u0111o t\u1ecda \u0111\u1ed9 2 chi\u1ec1u c\u00f3 th\u1ec3 \u0111o li\u00ean t\u1ee5c nhi\u1ec1u lo\u1ea1i k\u00edch th\u01b0\u1edbc v\u00e0 c\u00f9ng hi\u1ec7n tr\u00ean ph\u1ea7n m\u1ec1m sau \u0111\u00f3 xu\u1ea5t k\u1ebft qu\u1ea3
\nth\u00e0nh file b\u00e1o c\u00e1o, \u0111i\u1ec1u n\u00e0y c\u00e1c thi\u1ebft b\u1ecb tr\u00ean \u0111\u1ec1u kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c. \u0110\u1eb7c bi\u1ec7t v\u1edbi nh\u1eefng ph\u1ea7n m\u1ec1m cao c\u1ea5p \u0111i k\u00e8m, m\u00e1y c\u00f2n c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c g\u00f3c c\u1ee7a r\u00e3nh, \u0111\u01b0\u1eddng k\u00ednh r\u00e3nh ho\u1eb7c n\u1ebfu t\u00edch h\u1ee3p th\u00eam \u0111\u1ea7u d\u00f2 \u0111o chi\u1ec1u cao m\u00e1y tr\u1edf th\u00e0nh m\u00e1y \u0111o t\u1ecda \u0111\u1ed9 3 chi\u1ec1u. <\/span><\/p>\n

M\u00e1y \u0111o t\u1ecda \u0111\u1ed9 2 chi\u1ec1u (video measuring machine) \u0111ang d\u1ea7n d\u1ea7n thay th\u1ebf cho m\u00e1y chi\u1ebfu bi\u00ean d\u1ea1ng do t\u00ednh \u0111a
\nn\u0103ng, d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0 c\u0169ng th\u1ea5p h\u01a1n nhi\u1ec1u. C\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn nh\u01b0 Samsung, Toyota, Honda, Toshiba\u2026. c\u00e1c Vender, c\u00e1c c\u00f4ng ty c\u00f3 v\u1ed1n \u0111\u1ea7u t\u01b0 n\u01b0\u1edbc ngo\u00e0i FDI \u0111\u1ec1u s\u1eed d\u1ee5ng nh\u1edd t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a n\u00f3. Th\u1eadm ch\u00ed n\u00f3 c\u00f2n tr\u1edf th\u00e0nh ti\u00eau\u00a0chu\u1ea9n b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 \u0111\u1ec3 c\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh Vender hay tham gia v\u00e0o chu\u1ed7i cung \u1ee9ng to\u00e0n c\u1ea7u cho c\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn.<\/span><\/p>\n


\n<\/span>2.3 M\u00e1y \u0111o t\u1ecda \u0111\u1ed9 3 chi\u1ec1u \u2013 coordinate measuring machine<\/span><\/strong><\/p>\n

\"\"<\/span>Kh\u00e1c v\u1edbi m\u00e1y \u0111o t\u1ecda \u0111\u1ed9 2 chi\u1ec1u VMM, m\u00e1y \u0111o t\u1ecda \u0111\u1ed9 3 chi\u1ec1u CMM ho\u1ea1t \u0111\u1ed9ng tr\u00ean nguy\u00ean t\u1eafc s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 ch\u1ea1m v\u00e0o b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m k\u1ebft h\u1ee3p v\u1edbi ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111o \u0111\u1ea1c s\u1ea3n ph\u1ea9m. V\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp th\u00e0nh t\u1ecda \u0111\u1ed9 3 chi\u1ec1u X\/Y\/Z, khi di chuy\u1ec3n \u0111\u1ea7u d\u00f2 t\u1eeb v\u1ecb tr\u00ed n\u00e0y sang v\u1ecb tr\u00ed kh\u00e1c th\u00ec c\u00f3 s\u1ef1 thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 v\u00e0 ph\u1ea7n m\u1ec1m d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u00ednh c\u00e1c k\u00edch th\u01b0\u1edbc.<\/span><\/p>\n


\nNgo\u00e0i kh\u1ea3 n\u0103ng \u0111o, ki\u1ec3m tra c\u00e1c lo\u1ea1i k\u00edch th\u01b0\u1edbc tr\u00ean s\u1ea3n ph\u1ea9m m\u00e1y c\u00f2n c\u00f3 th\u1ec3 qu\u00e9t l\u1ea1i s\u1ea3n ph\u1ea9m d\u01b0\u1edbi d\u1ea1ng h\u00ecnh \u1ea3nh 3 chi\u1ec1u \u0111\u1ec3 \u0111\u01b0a v\u00e0o ph\u1ea7n m\u1ec1m b\u1eb1ng c\u00e1ch r\u00e0 \u0111\u1ea7u d\u00f2 tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m (ch\u00e9p h\u00ecnh). \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i, \u0111a n\u0103ng, c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c nh\u1eefng m\u1eabu r\u1ea5t l\u1edbn, h\u00ecnh d\u00e1ng ph\u1ee9c t\u1ea1p, c\u00f3 th\u1ec3 g\u1ecdi l\u00e0 thi\u1ebft b\u1ecb \u0111o cao c\u1ea5p nh\u1ea5t, \u0111o \u0111\u01b0\u1ee3c m\u1ecdi lo\u1ea1i k\u00edch th\u01b0\u1edbc. Tuy nhi\u00ean gi\u00e1 c\u1ee7a m\u00e1y kh\u00e1 cao, quy tr\u00ecnh s\u1eed d\u1ee5ng ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng ph\u1ea3i \u0111\u01a1n v\u1ecb n\u00e0o c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c<\/span><\/p>\n