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 | 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 | 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 | 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%, 但不超过0.9 | 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 1 2 3 4 5 |