金属外壳之油封
一般均作表面研磨以达密封之效果。
橡胶外壳油封
尤其使用在铝、铜及陶瓷等较脆弱之配套孔其效果更佳。
备注:1、SB/TB/VB型之油封依据客人之订单生产。
2、TC油封(NBR70)有现货供应。
骨架油封尺寸标示及公差标准
ISO/R286 H8 |
GB9877.1-88 |
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轴径及孔径之名义尺寸 |
油封配套孔径之公差 |
油封配套轴径之公差 |
配合轴径大于至 |
主唇口公差 |
副唇口公差 |
6.00 TO 10.00 |
-0.000/+0.020 |
+0.000/-0.090 |
5-30 |
-0.5/-1.3 |
-0.15/-0.45 |
10.01 TO 18.00 |
-0.000/+0.027 |
+0.000/-0.110 |
30-60 |
-0.8/-1.7 |
-2.0/-0.60 |
18.01 TO 30.00 |
-0.000/+0.033 |
+0.000/-0.130 |
60-80 |
-1.0/-2.0 |
-0.25/-0.75 |
30.01 TO 50.00 |
-0.000/+0.039 |
+0.000/-0.160 |
80-130 |
-1.2/-2.6 |
-3.0/-0.90 |
50.01 TO 80.00 |
-0.000/+0.046 |
+0.000/-0.190 |
130-250 |
-1.5/-3.3 |
-0.40/-1.05 |
80.01 TO 120.00 |
-0.000/+0.054 |
+0.000/-0.220 |
250-400 |
-2.0/-4.0 |
-0.50/-1.30 |
120.01 TO 180.00 |
-0.000/+0.063 |
+0.000/-0.250 |
|
|
|
180.01 TO 250.00 |
-0.000/+0.072 |
+0.000/-0.290 |
|
|
|
250.01 TO 315.00 |
-0.000/+0.081 |
+0.000/-0.320 |
|
|
|
315.01 TO 400.00 |
-0.000/+0.089 |
+0.000/-0.360 |
|
|
|
400.01 TO 500.00 |
-0.000/+0.097 |
+0.000/-0.400 |
|
|
|
GB13871-92 |
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尺寸(外径)大于至 |
外露骨架型(外径公差) |
内包骨架型(外径公差) |
外露骨架型(圆度公差) |
内包骨架型(圆度公差) |
高度公差 |
|
≤10 |
≥10 |
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50以下(含50) |
+0.20/+0.08 |
+0.30/+0.15 |
0.18 |
0.25 |
±0.3 |
±0.4 |
50-80 |
+0.23/+0.09 |
+0.35/+0.20 |
0.25 |
0.35 |
±0.3 |
±0.4 |
80-120 |
+0.25/+0.10 |
+0.35(0.45)/+0.2 |
0.30 |
0.50 |
±0.3 |
±0.4 |
120-180 |
+0.28/+0.12 |
+0.45(0.50)/+0.25 |
0.40 |
0.65 |
±0.3 |
±0.4 |
180-300 |
+0.35/+0.15 |
+0.45(0.55)/+0.25 |
外径的0.25% |
0.80 |
±0.3 |
±0.4 |
300-440 |
+0.45/+0.20 |
+0.55(0.65)/+0.30 |
外径的0.25%, |
1.00 |
±0.3 |
±0.4 |
*SN70-TC00501506BA *TC=产品型式 *S=骨架油封 *005=内径 *N=NBR(参照材料物性表) *015=外口 *70=70邵氏度(材料硬度) *06=高度