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半导体行业观察第一站
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摘要:液压缸活塞和活塞杆上在往复运动中起单向密封作用的密封沟槽型式、尺寸和公差 标准(GB2879-86)中密封沟槽轴向长度规定有三种规格:L1适用于短型密封圈(图5-31和图5-32中的Y形密封圈);L2适用于中型密封圈(图5-33和图5-34中的高低唇Y形密封圈);L3适用于长型密封圈(图5-21中的V形夹织物橡胶组合密封圈)。 按沟槽的所在位置分为:液压缸活塞和液压缸活塞杆两种沟槽结构。所用符号如下: D—密封沟槽外径; d—密封沟槽内
|
D
|
S
|
d
|
L0+0.25
|
C
》
|
R
《
|
F
|
D
|
S
|
d
|
L0+0.25
|
C
》
|
R
《
|
F
|
||||
|
L1
|
L2
|
L3
|
L1
|
L2
|
L3
|
||||||||||||
|
12
|
4
|
4
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
(110)
|
7.5
|
95
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
|
|
16
|
4
|
8
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
10
|
90
|
12.5
|
16
|
32
|
5
|
0.6
|
|||
|
20
|
4
|
12
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
125
|
10
|
105
|
12.5
|
16
|
32
|
5
|
0.6
|
1
|
|
|
5
|
10
|
6.3
|
8
|
16
|
2.5
|
12.5
|
100
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
||||
|
25
|
4
|
17
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
(140)
|
10
|
120
|
12.5
|
16
|
32
|
5
|
0.6
|
1
|
|
|
5
|
15
|
6.3
|
8
|
16
|
2.5
|
12.5
|
115
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
||||
|
32
|
4
|
24
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
160
|
10
|
140
|
12.5
|
16
|
32
|
5
|
0.6
|
1
|
|
|
5
|
22
|
6.3
|
8
|
16
|
2.5
|
12.5
|
135
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
||||
|
40
|
4
|
32
|
5.0
|
6.3
|
2
|
0.3
|
0.5
|
(180)
|
10
|
160
|
12.5
|
16
|
32
|
5
|
0.6
|
1
|
|
|
5
|
30
|
6.3
|
8
|
16
|
2.5
|
12.5
|
155
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
||||
|
50
|
5
|
40
|
6.3
|
8
|
16
|
2.5
|
0.3
|
0.5
|
200
|
12.5
|
175
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
|
7.5
|
35
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
15
|
170
|
20
|
25
|
50
|
7.5
|
||||
|
(56)
|
5
|
46
|
6.3
|
8
|
16
|
2.5
|
0.3
|
0.5
|
(220)
|
12.5
|
195
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
|
7.5
|
41
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
15
|
190
|
20
|
25
|
50
|
7.5
|
||||
|
63
|
5
|
53
|
6.3
|
8
|
16
|
4
|
0.3
|
0.5
|
250
|
12.5
|
225
|
16
|
20
|
40
|
6.5
|
0.8
|
1.5
|
|
7.5
|
48
|
9.5
|
12.5
|
25
|
5
|
0.4
|
1
|
15
|
220
|
20
|
25
|
50
|
7.5
|
||||
|
(70)
|
7.5
|
55
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
(280)
|
15
|
250
|
20
|
25
|
50
|
7.5
|
0.8
|
1.5
|
|
10
|
50
|
12.5
|
16
|
32
|
5
|
0.6
|
320
|
15
|
290
|
20
|
25
|
50
|
7.5
|
0.8
|
1.5
|
||
|
80
|
7.5
|
65
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
(360)
|
15
|
330
|
20
|
25
|
50
|
7.5
|
0.8
|
1.5
|
|
10
|
60
|
12.5
|
16
|
32
|
5
|
0.6
|
400
|
20
|
360
|
25
|
32
|
63
|
10
|
1.0
|
2
|
||
|
(90)
|
7.5
|
75
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
(450)
|
20
|
410
|
25
|
32
|
63
|
10
|
1.0
|
2
|
|
10
|
70
|
12.5
|
16
|
32
|
5
|
0.6
|
500
|
20
|
460
|
25
|
32
|
63
|
10
|
1.0
|
2
|
||
|
100
|
7.5
|
85
|
9.5
|
12.5
|
25
|
4
|
0.4
|
1
|
|||||||||
|
10
|
80
|
12.5
|
16
|
32
|
5
|
0.6
|
|||||||||||
|
d
|
S
|
D
|
L0+0.25
|
C
》
|
R
《
|
d
|
S
|
D
|
L0+0.25
|
C
》
|
R
《
|
||||
|
L1
|
L2
|
L3
|
L1
|
L2
|
L3
|
||||||||||
|
6
|
4
|
14
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
56
|
7.5
|
71
|
9.5
|
12.5
|
25
|
4
|
0.4
|
|
8
|
4
|
16
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
10
|
76
|
-
|
16
|
32
|
5
|
0.6
|
|
|
10
|
4
|
18
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
63
|
7.5
|
78
|
9.5
|
12.5
|
25
|
4
|
0.4
|
|
5
|
20
|
-
|
8
|
16
|
2.5
|
10
|
83
|
-
|
16
|
32
|
5
|
0.6
|
|||
|
12
|
4
|
20
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
70
|
7.5
|
85
|
9.5
|
12.5
|
25
|
4
|
0.4
|
|
5
|
22
|
-
|
8
|
16
|
2.5
|
10
|
90
|
-
|
16
|
32
|
5
|
0.6
|
|||
|
14
|
4
|
22
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
80
|
7.5
|
95
|
9.5
|
12.5
|
25
|
4
|
0.4
|
|
5
|
24
|
-
|
8
|
16
|
2.5
|
10
|
100
|
-
|
16
|
32
|
5
|
0.6
|
|||
|
16
|
4
|
24
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
90
|
7.5
|
105
|
9.5
|
12.5
|
25
|
4
|
0.4
|
|
5
|
26
|
-
|
8
|
16
|
2.5
|
10
|
110
|
-
|
16
|
32
|
5
|
0.6
|
|||
|
18
|
4
|
26
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
100
|
10
|
120
|
12.5
|
16
|
32
|
5
|
0.6
|
|
5
|
28
|
-
|
8
|
16
|
2.5
|
12.5
|
125
|
-
|
20
|
40
|
6.5
|
0.8
|
|||
|
20
|
4
|
28
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
110
|
10
|
130
|
12.5
|
16
|
32
|
5
|
0.6
|
|
5
|
30
|
-
|
8
|
16
|
2.5
|
12.5
|
135
|
-
|
20
|
40
|
6.5
|
0.8
|
|||
|
22
|
4
|
30
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
125
|
10
|
145
|
12.5
|
16
|
32
|
5
|
0.6
|
|
5
|
32
|
-
|
8
|
16
|
2.5
|
12.5
|
150
|
-
|
20
|
40
|
6.5
|
0.8
|
|||
|
25
|
4
|
33
|
5.0
|
6.3
|
14.5
|
2
|
0.3
|
140
|
10
|
160
|
12.5
|
16
|
32
|
5
|
0.6
|
|
5
|
35
|
-
|
8
|
16
|
2.5
|
12.5
|
165
|
-
|
20
|
40
|
6.5
|
0.8
|
|||
|
28
|
5
|
38
|
6.3
|
8
|
16
|
2.5
|
0.3
|
160
|
12.5
|
185
|
16
|
20
|
40
|
6.5
|
0.8
|
|
7.5
|
43
|
-
|
12.5
|
25
|
4
|
0.4
|
15
|
190
|
-
|
25
|
50
|
7.5
|
|||
|
32
|
5
|
42
|
6.3
|
8
|
16
|
2.5
|
0.3
|
180
|
12.5
|
205
|
16
|
20
|
40
|
6.5
|
0.8
|
|
7.5
|
47
|
-
|
12.5
|
25
|
4
|
0.4
|
15
|
210
|
-
|
25
|
50
|
7.5
|
|||
|
36
|
5
|
46
|
6.3
|
8
|
16
|
2.5
|
0.3
|
200
|
12.5
|
225
|
16
|
20
|
40
|
6.5
|
0.8
|
|
7.5
|
51
|
-
|
12.5
|
25
|
4
|
0.4
|
15
|
230
|
-
|
25
|
50
|
7.5
|
|||
|
40
|
5
|
50
|
6.3
|
8
|
16
|
2.5
|
0.3
|
220
|
15
|
250
|
20
|
25
|
50
|
7.5
|
0.8
|
|
7.5
|
55
|
-
|
12.5
|
25
|
4
|
0.4
|
250
|
15
|
280
|
20
|
25
|
50
|
7.5
|
0.8
|
|
|
45
|
5
|
55
|
6.3
|
8
|
16
|
2.5
|
0.3
|
280
|
15
|
310
|
20
|
25
|
50
|
7.5
|
0.8
|
|
7.5
|
60
|
-
|
12.5
|
25
|
4
|
0.4
|
320
|
20
|
360
|
25
|
32
|
63
|
10
|
1.0
|
|
|
50
|
5
|
60
|
6.3
|
8
|
16
|
2.5
|
0.3
|
360
|
20
|
400
|
25
|
32
|
63
|
10
|
1.0
|
|
7.5
|
65
|
-
|
12.5
|
25
|
4
|
0.4
|
|||||||||
| 型号 | 厂商 | 价格 |
|---|---|---|
| EPCOS | 爱普科斯 | / |
| STM32F103RCT6 | ST | ¥461.23 |
| STM32F103C8T6 | ST | ¥84 |
| STM32F103VET6 | ST | ¥426.57 |
| STM32F103RET6 | ST | ¥780.82 |
| STM8S003F3P6 | ST | ¥10.62 |
| STM32F103VCT6 | ST | ¥275.84 |
| STM32F103CBT6 | ST | ¥130.66 |
| STM32F030C8T6 | ST | ¥18.11 |
| N76E003AT20 | NUVOTON | ¥9.67 |