大連大理石直角尺的規(guī)格精du標準
大連大理石直角尺是富含石英和長石的粗?;蛑辛G秩霂r,是地殼中常見的深成巖,由巖漿在地殼深處冷卻而成。黑色色澤,結(jié)構(gòu),經(jīng)過億萬年的老化,質(zhì)地均勻,穩(wěn)定性好、強du大、硬du高,能在重負荷下保持jingdu。大連大理石直角尺適用于工業(yè)生產(chǎn)和實驗室的測量工作。
大連大理石直角尺的規(guī)格精du標準:
規(guī)格(mm)
|
測量面對基面垂直du
(um)
|
測量面平面du或直線du
(um)
|
基面平面du或直線du
(um)
|
|||
精du等級
|
||||||
00
|
0
|
00
|
0
|
00
|
0
|
|
100×63
|
2
|
4
|
1
|
1
|
1
|
1
|
160×100
|
2
|
4
|
1
|
2
|
1
|
1
|
250×160
|
2.5
|
5
|
1
|
2
|
1
|
2
|
400×250
|
3.5
|
7
|
1
|
2.5
|
1
|
2
|
630×400
|
4.5
|
9
|
1.5
|
3
|
1
|
2.5
|
800×500
|
5
|
10
|
2
|
4
|
1.2
|
3
|
1000×630
|
6
|
12
|
2.5
|
5
|
1.5
|
3
|
規(guī)格(mm)
|
測量面對基面垂直du
(um)
|
測量面平面du或直線du
(um)
|
基面平面du或直線du
(um)
|
|||
精du等級
|
||||||
00
|
0
|
00
|
0
|
00
|
0
|
|
100×63
|
2
|
4
|
1
|
1
|
1
|
1
|
160×100
|
2
|
4
|
1
|
2
|
1
|
1
|
250×160
|
2.5
|
5
|
1
|
2
|
1
|
2
|
400×250
|
3.5
|
7
|
1
|
2.5
|
1
|
2
|
630×400
|
4.5
|
9
|
1.5
|
3
|
1
|
2.5
|
800×500
|
5
|
10
|
2
|
4
|
1.2
|
3
|
1000×630
|
6
|
12
|
2.5
|
5
|
1.5
|
3
|
規(guī)格(mm)
|
測量面對基面垂直du
(um)
|
測量面平面du或直線du
(um)
|
基面平面du或直線du
(um)
|
|||
精du等級
|
||||||
00
|
0
|
00
|
0
|
00
|
0
|
|
100×63
|
2
|
4
|
1
|
1
|
1
|
1
|
160×100
|
2
|
4
|
1
|
2
|
1
|
1
|
250×160
|
2.5
|
5
|
1
|
2
|
1
|
2
|
400×250
|
3.5
|
7
|
1
|
2.5
|
1
|
2
|
630×400
|
4.5
|
9
|
1.5
|
3
|
1
|
2.5
|
800×500
|
5
|
10
|
2
|
4
|
1.2
|
3
|
1000×630
|
6
|
12
|
2.5
|
5
|
1.5
|
3
|
規(guī)格(mm)
|
測量面對基面垂直du
(um)
|
測量面平面du或直線du
(um)
|
基面平面du或直線du
(um)
|
|||
精du等級
|
||||||
00
|
0
|
00
|
0
|
00
|
0
|
|
100×63
|
2
|
4
|
1
|
1
|
1
|
1
|
160×100
|
2
|
4
|
1
|
2
|
1
|
1
|
250×160
|
2.5
|
5
|
1
|
2
|
1
|
2
|
400×250
|
3.5
|
7
|
1
|
2.5
|
1
|
2
|
630×400
|
4.5
|
9
|
1.5
|
3
|
1
|
2.5
|
800×500
|
5
|
10
|
2
|
4
|
1.2
|
3
|
1000×630
|
6
|
12
|
2.5
|
5
|
1.5
|
3
|
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