技術資訊
油封構造
迴油溝設計
各項公差表
TABLE 1. SHAFT TOLERANCE (IMPERIAL)
| NOMINAL SHAFT DIAMETER | TOLERANCE | ||
|---|---|---|---|
| up to 4.000 | ± 0.003 | ||
| over 4.000 to 6.000 | ± 0.004 | ||
| over 6.000 to 10.000 | ± 0.005 | ||
| over 10.000 | ± 0.006 | ||
TABLE 2. SHAFT TOLERANCE (METRIC)
| SHAFT DIA. | TOLERANCE in μm | ||
|---|---|---|---|
| over | to | Lower | upper |
| 0 | 3 | 0 | -60 |
| 3 | 6 | 0 | -75 |
| 6 | 10 | 0 | -90 |
| 10 | 18 | 0 | -110 |
| 18 | 30 | 0 | -130 |
| 30 | 50 | 0 | -160 |
| 50 | 80 | 0 | -190 |
| 80 | 120 | 0 | -220 |
| 120 | 180 | 0 | -250 |
| 180 | 250 | 0 | -290 |
| 250 | 315 | 0 | -320 |
| 315 | 400 | 0 | -360 |
| 400 | 500 | 0 | -400 |
TABLE 3. HOUSING TOLERANCE (IMPERIAL)
| BORE DIA. (inch) | BORE TOLERANCE |
|---|---|
| up to 3.000 | ± 0.0010 |
| 3.001 to 6.000 | ± 0.0015 |
| 6.001 to 10.000 | ± 0.0020 |
| 10.001 to 20.000 | + 0.002 / -0.004 |
| 20.001 to 40.000 | + 0.002 / -0.006 |
| 40.001 to 60.000 | + 0.002 / -0.010 |
TABLE 4. HOUSING TOLERANCE (METRIC)
| BORE DIA. (mm) | BORE TOLERANCE |
|---|---|
| Over 6 to 10 | + 0.022 / -0.000 |
| Over 10 to 18 | + 0.027 / -0.000 |
| Over 18 to 30 | + 0.033 / -0.000 |
| Over 30 to 50 | + 0.039 / -0.000 |
| Over 50 to 80 | + 0.046 / -0.000 |
| Over 80 to 120 | + 0.054 / -0.000 |
| Over 120 to 180 | + 0.063 / -0.000 |
| Over 180 to 250 | + 0.072 / -0.000 |
| Over 250 to 315 | + 0.081 / -0.000 |
| Over 315 to 400 | + 0.089 / -0.000 |
| Over 400 to 500 | + 0.097 / -0.000 |
TABLE 5. TOLERANCE OF SEAL O.D (IMPERIAL))
| METAL O.D | |||
|---|---|---|---|
| BORE | INTERFERENCE | TOLERANCE | ROUNDNESS |
| ～1.000 | + 0.004 | ± 0.002 | 0.005 |
| 1.001～2.000 | + 0.004 | ± 0.002 | 0.006 |
| 2.001～3.000 | + 0.004 | ± 0.002 | 0.006 |
| 3.001～4.000 | + 0.005 | ± 0.002 | 0.007 |
| 4.001～6.000 | + 0.005 | + 0.003/-0.002 | 0.009 |
| 6.001～8.000 | + 0.006 | + 0.003/-0.002 | 0.012 |
| 8.001～10.000 | + 0.008 | + 0.004/-0.002 | 0.015 |
| 10.001～20.000 | + 0.008 | + 0.006/-0.002 | 0.2% of SEAL O.D |
| (RUBBER COVERED O.D) | |||
|---|---|---|---|
| BORE | INTERFERENCE | TOLERANCE | ROUNDNESS |
| ～1.000 | + 0.006 | ± 0.003 | 0.010 |
| 1.001～2.000 | + 0.007 | ± 0.003 | 0.010 |
| 2.001～3.000 | + 0.008 | ± 0.003 | 0.014 |
| 3.001～4.000 | + 0.010 | ± 0.004 | 0.020 |
| 4.001～6.000 | + 0.012 | ± 0.004 | 0.020 |
| 6.001～8.000 | + 0.012 | ± 0.004 | 0.025 |
| 8.001～10.000 | + 0.014 | ± 0.004 | 0.032 |
| 10.001～20.000 | + 0.016 | ± 0.005 | 0.040 |
| (RUBBER GROOVED O.D) | |||
|---|---|---|---|
| BORE | INTERFERENCE | TOLERANCE | ROUNDNESS |
| ～1.000 | 0.010 | ± 0.003 | 0.010 |
| 1.001～2.000 | 0.012 | ± 0.004 | 0.010 |
| 2.001～3.000 | 0.014 | ± 0.004 | 0.014 |
| 3.001～4.000 | 0.016 | ± 0.004 | 0.020 |
| 4.001～6.000 | 0.016 | + 0.006/-0.004 | 0.020 |
| 6.001～8.000 | 0.018 | + 0.006/-0.004 | 0.025 |
| 8.001～10.000 | 0.020 | + 0.006/-0.004 | 0.032 |
| 10.001～20.000 | 0.022 | + 0.008/-0.004 | 0.040 |
TABLE 6. TOLERANCE OF WIDTH (IMPERIAL)
| WIDTH | TOLERANCE |
|---|---|
| ALL SIZE | ± 0.015 |
TABLE 7. TOLERANCE OF SEAL O.D (METRIC)
| METAL O.D | ||
|---|---|---|
| BORE | TOLERANCE | ROUNDNESS |
| ～10.00 | + 0.20/+ 0.10 | 0.10 |
| 10.01～18.00 | + 0.20/+ 0.10 | 0.10 |
| 18.01～30.00 | + 0.20/+ 0.10 | 0.10 |
| 30.01～50.00 | + 0.20/+ 0.10 | 0.15 |
| 50.01～80.00 | + 0.23/+ 0.13 | 0.20 |
| 80.01～120.00 | + 0.25/+ 0.15 | 0.30 |
| 120.01～180.00 | + 0.28/+ 0.18 | 0.38 |
| 180.01～250.00 | + 0.30/+ 0.20 | 0.38 |
| 250.01～300.00 | + 0.30/+ 0.20 | 0.2% of SEAL O.D |
| 300.01～400.00 | + 0.35/+ 0.23 | |
| RUBBER COVERED O.D | ||
|---|---|---|
| BORE | TOLERANCE | ROUNDNESS |
| ～10.00 | + 0.30/+ 0.15 | 0.25 |
| 10.01～18.00 | + 0.30/+ 0.15 | 0.25 |
| 18.01～30.00 | + 0.30/+ 0.15 | 0.25 |
| 30.01～50.00 | + 0.30/+ 0.15 | 0.25 |
| 50.01～80.00 | + 0.35/+ 0.20 | 0.35 |
| 80.01～120.00 | + 0.35/+ 0.20 | 0.50 |
| 120.01～180.00 | + 0.45/+ 0.25 | 0.65 |
| 180.01～250.00 | + 0.45/+ 0.25 | 0.80 |
| 250.01～300.00 | + 0.45/+ 0.25 | 0.80 |
| 300.01～400.00 | + 0.55/+ 0.30 | 1.00 |
| RUBBER GROOVED O.D | ||
|---|---|---|
| BORE | TOLERANCE | ROUNDNESS |
| ～10.00 | + 0.40/+ 0.20 | 0.25 |
| 10.01～18.00 | + 0.40/+ 0.20 | 0.25 |
| 18.01～30.00 | + 0.40/+ 0.20 | 0.25 |
| 30.01～50.00 | + 0.40/+ 0.20 | 0.25 |
| 50.01～80.00 | + 0.45/+ 0.25 | 0.35 |
| 80.01～120.00 | + 0.50/+ 0.30 | 0.50 |
| 120.01～180.00 | + 0.55/+ 0.35 | 0.65 |
| 180.01～250.00 | + 0.70/+ 0.40 | 0.80 |
| 250.01～300.00 | + 0.70/+ 0.40 | 0.80 |
| 300.01～400.00 | + 0.75/+ 0.45 | 1.00 |
TABLE 8. TOLERANCE OF WIDTH (METRIC)
| WIDTH | TOLERANCE |
|---|---|
| ≤10.00 | ± 0.20 |
| OVER 10.01 | ± 0.30 |
材質特性
TABLE 9. SPECIFICATION OF METALLIC INSERT AND GARTER SPRING
| STANDARD | SAE No. | DIN No. | MATERIAL |
|---|---|---|---|
| METALLIC INSERT | 1008-1010 | 1624 | Carbon Steel |
| 30304 | 17224 | Stainless Steel | |
| GARTER SPRING | 1070-1090 | 17223 | Carbon Steel |
| 30304 | 17224 | Stainless Steel |
