5.采用中硬齒面齒輪的規(guī)定
①允許采用中硬齒面齒輪。中硬齒面圓柱齒輪減速器除型號、齒輪副、承載能力外,其他要求應(yīng)符合本標準正文各項規(guī)定。
②中硬齒面圓柱齒輪減速器的型號為:
ZDZ表示單級傳動中硬齒面圓柱齒輪減速器;
ZLZ表示兩級傳動中硬齒面圓柱齒輪減速器;
ZSZ表示三級傳動中硬齒面圓柱齒輪減速器。
③中硬齒面齒輪材料為40CrRiMo,其機械性能見表8-69。允許采用機械性能相當(dāng)或較高的其他材料。
④中硬齒面小齒輪齒面調(diào)質(zhì)硬度為306~332HB,大齒輪齒面調(diào)質(zhì)硬度為283~314HB。
⑤齒輪加工精度為877HK,齒面粗糙度≤Rα3.2μm。
⑥齒面接觸斑點按齒長不小于70%,按齒高不小于50%。
⑦ZDZ減速器的承載能力見表8-96、表8-87。
⑧ZLZ減速器的承載能力見表8-97、表8-89。
⑨ZSZ減速器的承載能力見表8-98、表8-91。
⑩中硬齒面圓柱齒輪減速器的選用方法、步驟與8.3.1第項⑤條相同。
11中硬齒面圓柱齒輪減速器的傳動比允許適當(dāng)增大,允許為增大傳動比而修改相關(guān)零件的結(jié)構(gòu)尺寸,但外形安裝尺寸不得變動。
表8-96ZDZ減速器功率P1
| 公稱傳動比i | 公稱轉(zhuǎn)速/r·min | 規(guī)  格 | 
| 輸入 n1 | 輸出 n2 | 80 | 100 | 125 | 160 | 200 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 
| 公稱輸入功率P1kW | 
| 1.25 | 1500 | 1200 | 12.24 | 26.09 | 49.77 | 92.68 | 170.9 | 323.0 | — | — | — | — | — | — | — | 
| 1000 | 800 | 8.52 | 18.35 | 35.38 | 66.58 | 128.6 | 246.9 | — | — | — | — | — | — | — | 
| 750 | 600 | 6.63 | 14.32 | 27.07 | 48.95 | 101.2 | 202.9 | — | — | — | — | — | — | — | 
| 1.4 | 1500 | 1070 | 11.81 | 25.35 | 48.68 | 89.83 | 172.9 | 330.5 | — | — | — | — | — | — | — | 
| 1000 | 715 | 8.19 | 17.75 | 34.42 | 64.04 | 128.8 | 249.6 | — | — | — | — | — | — | — | 
| 750 | 535 | 6.36 | 13.82 | 26.26 | 50.27 | 100.7 | 202.9 | — | — | — | — | — | — | — | 
| 1.6 | 1500 | 940 | 11.14 | 23.92 | 46.42 | 86.70 | 171.7 | 332.9 | 457 | 605 | 816 | — | — | — | — | 
| 1000 | 625 | 7.70 | 16.64 | 32.57 | 61.26 | 125.9 | 247.0 | 340 | 457 | 617 | — | — | — | — | 
| 750 | 470 | 5.96 | 12.91 | 24.76 | 45.42 | 97.7 | 198.6 | 273 | 365 | 485 | — | — | — | — | 
| 1.8 | 1500 | 835 | 10.45 | 22.52 | 41.48 | 82.73 | 167.2 | 327.7 | 451 | 601 | 780 | — | — | — | — | 
| 1000 | 555 | 7.20 | 15.60 | 29.59 | 58.11 | 121.4 | 240.4 | 331 | 443 | 581 | — | — | — | — | 
| 750 | 415 | 5.57 | 12.09 | 23.61 | 43.21 | 93.7 | 192.0 | 264 | 355 | 452 | — | — | — | — | 
| 2 | 1500 | 750 | 9.48 | 20.82 | 41.69 | 73.09 | 160.6 | 317.2 | 437 | 547 | 762 | — | — | — | — | 
| 1000 | 500 | 6.51 | 14.37 | 28.97 | 52.16 | 115.6 | 230.2 | 317 | 397 | 559 | 854 | 1208 | 1548 |   | 
| 750 | 375 | 5.03 | 11.11 | 21.92 | 41.03 | 88.7 | 182.6 | 251 | 315 | 432 | 684 | 967 | 1236 | 1774 | 
| 2.24 | 1500 | 670 | 8.72 | 18.83 | 38.25 | 67.94 | 146.4 | 297.5 | 396 | 539 | 764 | — | — | — | — | 
| 1000 | 445 | 5.98 | 12.95 | 26.46 | 48.55 | 105.1 | 214.7 | 287 | 387 | 554 | 812 | 1160 | 1474 |   | 
| 750 | 335 | 4.61 | 10.00 | 19.96 | 38.24 | 80.6 | 169.9 | 228 | 305 | 426 | 646 | 922 | 1167 | 1667 | 
| 2.5 | 1500 | 600 | 8.06 | 17.67 | 34.66 | 63.73 | 136.9 | 279.9 | 374 | 523 | 726 | — | — | — | — | 
| 1000 | 400 | 5.52 | 12.13 | 23.91 | 45.20 | 97.4 | 199.9 | 269 | 372 | 520 | 760 | 1096 | 1383 | — | 
| 750 | 300 | 4.26 | 9.36 | 17.99 | 35.45 | 74.5 | 157.2 | 212 | 291 | 397 | 600 | 866 | 1090 | 1602 | 
| 2.8 | 1500 | 535 | 7.00 | 14.60 | 32.41 | 58.73 | 125.9 | 258.5 | 348 | 460 | 652 | — | — | — | — | 
| 1000 | 360 | 4.78 | 10.02 | 22.28 | 41.37 | 88.9 | 182.9 | 247 | 328 | 466 | 697 | 1018 | 1317 | — | 
| 750 | 270 | 3.69 | 7.75 | 16.74 | 32.33 | 67.7 | 143.1 | 194 | 257 | 356 | 548 | 798 | 1032 | 1457 | 
| 3.15 | 1500 | 475 | 6.00 | 13.42 | 28.00 | 53.23 | 113.4 | 229.7 | 327 | 421 | 590 | 871 | 1261 | 1619 | 2145 | 
| 1000 | 315 | 4.09 | 9.20 | 19.18 | 37.25 | 80.0 | 162.7 | 231 | 297 | 420 | 622 | 908 | 1158 | 1550 | 
| 750 | 235 | 3.16 | 7.10 | 14.38 | 29.00 | 60.9 | 127.4 | 180 | 232 | 320 | 476 | 697 | 887 | 1193 | 
| 3.55 | 1500 | 425 | 5.37 | 11.77 | 23.73 | 49.05 | 102.0 | 211.4 | 290 | 375 | 530 | 785 | 1143 | 1387 | 1960 | 
| 1000 | 280 | 3.66 | 8.05 | 16.26 | 33.67 | 71.5 | 148.7 | 204 | 263 | 374 | 557 | 810 | 994 | 1408 | 
| 750 | 210 | 2.82 | 6.21 | 12.19 | 25.39 | 54.2 | 116.0 | 159 | 204 | 284 | 425 | 618 | 762 | 1080 | 
| 4 | 1500 | 375 | 4.32 | 9.96 | 19.97 | 41.99 | 90.0 | 183.2 | 251 | 342 | 467 | 698 | 986 | 1242 | 1828 | 
| 1000 | 250 | 2.95 | 6.80 | 13.64 | 28.72 | 62.7 | 127.9 | 177 | 239 | 329 | 491 | 695 | 880 | 1297 | 
| 750 | 187 | 2.28 | 5.24 | 10.20 | 22.10 | 47.4 | 99.3 | 138 | 186 | 250 | 373 | 530 | 670 | 989 | 
| 4.5 | 1500 | 335 | 3.60 | 8.07 | 16.36 | 36.65 | 79.0 | 160.8 | 219 | 305 | 420 | 612 | 859 | 1067 | 1523 | 
| 1000 | 220 | 2.45 | 5.50 | 11.15 | 25.10 | 54.7 | 112.0 | 153 | 213 | 294 | 430 | 606 | 752 | 1084 | 
| 750 | 166 | 1.89 | 4.24 | 8.32 | 19.34 | 41.3 | 86.9 | 119 | 166 | 222 | 327 | 462 | 572 | 828 | 
| 5 | 1500 | 300 | 2.87 | 6.88 | 13.73 | 31.26 | 67.9 | 143.7 | 188 | 269 | 355 | 536 | 754 | 988 | 1343 | 
| 1000 | 200 | 1.95 | 4.69 | 9.37 | 21.35 | 47.0 | 99.8 | 131 | 187 | 248 | 373 | 527 | 694 | 946 | 
| 750 | 150 | 1.51 | 3.62 | 6.99 | 16.43 | 35.5 | 77.4 | 101 | 145 | 188 | 283 | 400 | 527 | 719 | 
| 5.6 | 1500 | 270 | 2.54 | 5.69 | 11.77 | 28.22 | 62.3 | 123.0 | 166 | 231 | 304 | 495 | 664 | 850 | 1177 | 
| 1000 | 180 | 1.73 | 3.88 | 8.02 | 19.25 | 43.1 | 84.9 | 115 | 160 | 211 | 344 | 461 | 591 | 821 | 
| 750 | 134 | 1.34 | 3.00 | 5.97 | 14.81 | 32.5 | 65.6 | 88.5 | 124 | 160 | 259 | 348 | 447 | 621 | 
| 6.3 | 1500 | 240 | — | 4.59 | 10.62 | 22.18 | 52.6 | 109.7 | 148 | 187 | 277 | 410 | 596 | 773 | 1029 | 
| 1000 | 160 | — | 3.13 | 7.24 | 15.13 | 35.9 | 75.6 | 102 | 129 | 192 | 283 | 412 | 535 | 715 | 
| 750 | 120 | — | 2.42 | 5.39 | 11.65 | 26.9 | 58.4 | 78.8 | 99.5 | 145 | 213 | 311 | 404 | 540 | 
 
表8-97ZLZ減速器功率P1
| 公稱傳動比 i | 公稱轉(zhuǎn)速/r·min | 規(guī)格 | 
| 輸入 n1 | 輸出 n2 | 112 | 125 | 140 | 160 | 180 | 200 | 224 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | 
| 公稱輸入功率P1/kW | 
| 7.1 | 1500 | 210 | 8.8 | 13 | 18 | 29 | 39 | 55 | 78 | 112 | 158 | 213 | 322 | 452 | 601 | 924 | 1341 | -  | -  | 
| 1000 | 140 | 6 | 9 | 12.4 | 20 | 27 | 39 | 56 | 80 | 114 | 155 | 232 | 327 | 437 | 672 | 988 | 1428 | 1990 | 
| 750 | 106 | 4.6 | 6.9 | 9.5 | 15 | 21 | 29 | 43 | 63 | 87 | 120 | 179 | 251 | 339 | 520 | 770 | 1121 | 1558 | 
| 8 | 1500 | 185 | 8.4 | 12 | 17.7 | 27 | 36 | 50 | 72 | 102 | 152 | 208 | 308 | 430 | 573 | 892 | 1296 | -  | -  | 
| 1000 | 125 | 5.8 | 8.2 | 12 | 18 | 25 | 35 | 51 | 73 | 105 | 152 | 220 | 313 | 418 | 645 | 942 | 1274 | 1859 | 
| 750 | 94 | 4.4 | 6.3 | 9.3 | 14 | 19 | 26 | 39 | 57 | 80 | 117 | 166 | 237 | 323 | 488 | 711 | 975 | 1431 | 
| 9 | 1500 | 167 | 7.9 | 11 | 16 | 24 | 33 | 46 | 66 | 95 | 138 | 201 | 282 | 382 | 571 | 852 | 1211 | -  | -  | 
| 1000 | 111 | 5.4 | 7.4 | 11 | 16 | 23 | 32 | 47 | 68 | 96 | 142 | 197 | 278 | 409 | 583 | 845 | 1149 | 1681 | 
| 750 | 83 | 4.2 | 5.7 | 8.4 | 13 | 17 | 24 | 37 | 53 | 72 | 107 | 149 | 213 | 309 | 441 | 638 | 877 | 1291 | 
| 10 | 1500 | 150 | 7.1 | 9.8 | 14 | 22 | 30 | 42 | 61 | 86 | 125 | 183 | 257 | 358 | 530 | 766 | 1122 | -  | -  | 
| 1000 | 100 | 4.8 | 6.7 | 9.5 | 15 | 21 | 29 | 43 | 61 | 86 | 127 | 178 | 256 | 370 | 524 | 766 | 1044 | 1532 | 
| 750 | 75 | 3.7 | 5.2 | 7.3 | 11.4 | 16 | 22 | 33 | 47 | 65 | 96 | 134 | 193 | 280 | 396 | 578 | 796 | 1174 | 
| 11.2 | 1500 | 134 | 6 | 8.8 | 13 | 19 | 27 | 37 | 57 | 74 | 113 | 168 | 235 | 323 | 453 | 693 | 1008 | -  | -  | 
| 1000 | 89 | 4.1 | 6.1 | 8.8 | 13 | 18 | 26 | 39 | 52 | 78 | 115 | 161 | 228 | 326 | 474 | 688 | 941 | 1383 | 
| 750 | 67 | 3.1 | 4.7 | 6.8 | 10 | 14 | 19 | 30 | 40 | 59 | 87 | 121 | 172 | 250 | 358 | 519 | 717 | 1058 | 
| 12.5 | 1500 | 120 | 5.5 | 7.9 | 11.4 | 17 | 22.6 | 32 | 51 | 70 | 101 | 149 | 209 | 300 | 413 | 621 | 870 | -  | -  | 
| 1000 | 80 | 3.8 | 5.4 | 7.8 | 12 | 15 | 22 | 35 | 49 | 69 | 102 | 144 | 205 | 295 | 424 | 601 | 847 | 1247 | 
| 750 | 60 | 2.9 | 4.1 | 5.9 | 9.1 | 12 | 16 | 26 | 37 | 53 | 77 | 108 | 155 | 224 | 320 | 466 | 644 | 953 | 
| 14 | 1500 | 107 | 4.5 | 6.9 | 10 | 15 | 20 | 28 | 45 | 64 | 91 | 134 | 188 | 269 | 371 | 554 | 779 | 1226 | 1791 | 
| 1000 | 71 | 3.1 | 4.7 | 6.9 | 10.4 | 14 | 19 | 31 | 44 | 62 | 92 | 129 | 184 | 262 | 387 | 537 | 752 | 1115 | 
| 750 | 54 | 2.4 | 3.6 | 5.3 | 8.0 | 10.5 | 15 | 23 | 34 | 47 | 69 | 97 | 139 | 200 | 286 | 416 | 571 | 850 | 
| 16 | 1500 | 94 | 4.3 | 6.1 | 8.8 | 13.7 | 19 | 28 | 40 | 58 | 81 | 120 | 168 | 239 | 344 | 495 | 721 | 1091 | 1605 | 
| 1000 | 62 | 2.9 | 4.2 | 6 | 9.4 | 13 | 19 | 27 | 39 | 56 | 82 | 115 | 164 | 238 | 338 | 491 | 673 | 1001 | 
| 750 | 47 | 2.2 | 3.2 | 4.6 | 7.1 | 10 | 14 | 20 | 30 | 42 | 62 | 87 | 124 | 180 | 255 | 371 | 511 | 763 | 
| 18 | 1500 | 83 | 3.7 | 5.4 | 8 | 12 | 17 | 25 | 33 | 46 | 73 | 110 | 151 | 216 | 312 | 448 | 642 | 978 | 1446 | 
| 1000 | 56 | 2.5 | 3.7 | 5.4 | 8.4 | 12 | 17 | 22 | 32 | 50 | 75 | 103 | 147 | 213 | 305 | 437 | 606 | 902 | 
| 750 | 42 | 1.9 | 2.9 | 4.1 | 6.4 | 9.3 | 13 | 17 | 24 | 38 | 57 | 78 | 111 | 161 | 230 | 330 | 460 | 687 | 
| 20 | 1500 | 75 | 3.1 | 4.5 | 6.6 | 10 | 17 | 23 | 32 | 45 | 63 | 90 | 135 | 194 | 280 | 403 | 575 | 880 | 1301 | 
| 1000 | 50 | 2.1 | 3.1 | 4.5 | 6.8 | 12 | 16 | 22 | 30.5 | 44 | 63 | 92 | 132 | 191 | 274 | 393 | 545 | 811 | 
| 750 | 38 | 1.6 | 2.4 | 3.4 | 5.2 | 9.4 | 12 | 16.5 | 23 | 33 | 47 | 68 | 98 | 142 | 205 | 290 | 450 | 655 | 
  
表8-98ZSZ減速器功率P1
| 公稱傳動比i | 公稱轉(zhuǎn)速/r·min-1 | 規(guī)  格 | 
| 輸入 n1 | 輸出 n2 | 160 | 180 | 200 | 224 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | 
| 公稱輸入功率P1/kW | 
| 22.4 | 1500 | 67 | 8.9 | 13.5 | 17 | 29.4 | 37 | 51 | 74 | 115 | 153 | 209 | 259 | 447 | 567 | — | 
| 1000 | 44 | 6.1 | 9.2 | 12 | 20.7 | 25 | 36 | 53 | 83 | 113 | 157 | 190 | 322 | 411 | 627 | 
| 750 | 33 | 4.6 | 7.0 | 8.8 | 16.0 | 19 | 27 | 41 | 65 | 89 | 118 | 147 | 252 | 318 | 484 | 
| 25 | 1500 | 60 | 7.6 | 11 | 15 | 27.2 | 33 | 49 | 74 | 111 | 146 | 199 | 250 | 433 | 549 | — | 
| 1000 | 40 | 5.2 | 7.6 | 10 | 19.2 | 22 | 33 | 50 | 79 | 108 | 149 | 183 | 312 | 399 | 601 | 
| 750 | 30 | 4.0 | 5.8 | 7.7 | 14.8 | 17 | 25 | 38 | 60 | 85 | 113 | 143 | 243 | 307 | 465 | 
| 28 | 1500 | 54 | 6.9 | 10 | 14 | 24.1 | 31 | 45 | 67 | 101 | 132 | 186 | 254 | 384 | 544 | — | 
| 1000 | 36 | 4.7 | 7.0 | 9.5 | 17.0 | 22 | 29 | 46 | 73 | 98 | 139 | 173 | 278 | 393 | 587 | 
| 750 | 27 | 3.6 | 5.4 | 7 | 13.1 | 16 | 22 | 34 | 55 | 77 | 104 | 128 | 215 | 301 | 445 | 
| 31.5 | 1500 | 48 | 6.1 | 9.1 | 12 | 21.8 | 27 | 38 | 60 | 94 | 125 | 175 | 228 | 364 | 511 | — | 
| 1000 | 32 | 4.1 | 6.2 | 8.3 | 15.4 | 19 | 26 | 41 | 64 | 92 | 129 | 155 | 256 | 357 | 523 | 
| 750 | 24 | 3.2 | 4.8 | 6.1 | 11.9 | 14 | 20 | 30 | 48 | 70 | 94 | 115 | 194 | 267 | 393 | 
| 35.5 | 1500 | 42 | 5.4 | 8.1 | 11 | 19.4 | 24 | 35 | 53 | 85 | 116 | 164 | 202 | 339 | 448 | — | 
| 1000 | 28 | 3.7 | 5.5 | 7.6 | 13.7 | 17 | 24 | 36 | 58 | 82 | 116 | 137 | 230 | 321 | 474 | 
| 750 | 21 | 2.8 | 4.2 | 5.7 | 10.6 | 13 | 18 | 27 | 44 | 63 | 84 | 102 | 175 | 246 | 355 | 
| 40 | 1500 | 38 | 4.9 | 7.1 | 10 | 17.2 | 22 | 32 | 47 | 73 | 101 | 149 | 182 | 305 | 401 | — | 
| 1000 | 25 | 3.3 | 4.9 | 6.9 | 12.1 | 15 | 22 | 32 | 50 | 73 | 103 | 123 | 207 | 285 | 435 | 
| 750 | 19 | 2.5 | 3.7 | 5.1 | 9.3 | 11 | 17 | 24 | 38 | 56 | 75 | 91 | 157 | 218 | 327 | 
| 45 | 1500 | 33 | 4.3 | 6.2 | 8.7 | 13.9 | 18 | 26 | 40 | 66 | 87 | 127 | 163 | 263 | 342 | — | 
| 1000 | 22 | 2.9 | 4.2 | 6 | 9.7 | 12 | 18 | 27 | 45 | 63 | 91 | 110 | 185 | 241 | 369 | 
| 750 | 17 | 2.2 | 3.2 | 4.5 | 7.5 | 9 | 14 | 20 | 34 | 49 | 66 | 82 | 142 | 183 | 281 | 
| 50 | 1500 | 30 | 3.6 | 5.2 | 7.3 | 12.9 | 17 | 24 | 35 | 57 | 79 | 117 | 139 | 242 | 330 | 488 | 
| 1000 | 20 | 2.4 | 3.6 | 5 | 9.1 | 12 | 16 | 24 | 39 | 56 | 82 | 94 | 164 | 224 | 330 | 
| 750 | 15 | 1.9 | 2.7 | 3.7 | 7.0 | 8.6 | 13 | 18 | 30 | 43 | 59 | 70 | 124 | 168 | 247 | 
| 56 | 1500 | 27 | 3.4 | 4.9 | 6.8 | 12.0 | 16 | 23 | 32 | 51 | 70 | 101 | 123 | 208 | 287 | 407 | 
| 1000 | 18 | 2.3 | 3.3 | 4.6 | 8.5 | 11 | 16 | 22 | 34 | 49 | 70 | 84 | 147 | 204 | 288 | 
| 750 | 13.4 | 1.8 | 2.5 | 3.5 | 6.6 | 8 | 12 | 16 | 26 | 38 | 51 | 62 | 112 | 153 | 220 | 
| 63 | 1500 | 24 | 2.8 | 4.3 | 5.8 | 10.6 | 12 | 19 | 29 | 43 | 58 | 87 | 107 | 194 | 272 | 368 | 
| 1000 | 16 | 1.9 | 2.9 | 4 | 7.4 | 8.4 | 13 | 20 | 29 | 41 | 61 | 72 | 131 | 183 | 248 | 
| 750 | 12 | 1.5 | 2.2 | 3 | 5.7 | 6.3 | 9.7 | 15 | 22 | 32 | 44 | 54 | 100 | 136 | 184 | 
| 71 | 1500 | 21 | 2.6 | 3.9 | 5.3 | 8.8 | 11 | 17 | 26 | 38 | 52 | 77 | 97 | 159 | 226 | 322 | 
| 1000 | 14 | 1.8 | 2.7 | 3.6 | 6.2 | 7.5 | 11 | 18 | 26 | 37 | 54 | 66 | 112 | 160 | 219 | 
| 750 | 10.6 | 1.4 | 2.0 | 2.7 | 4.8 | 5.6 | 8.8 | 13 | 20 | 28 | 39 | 49 | 87 | 122 | 163 | 
| 80 | 1500 | 18.8 | 2.2 | 3.3 | 4.7 | 7.7 | 9.2 | 14 | 22 | 33 | 43 | 67 | 80 | 147 | 204 | 294 | 
| 1000 | 12.5 | 1.5 | 2.3 | 3.2 | 5.4 | 6.3 | 9.6 | 15 | 22 | 30 | 47 | 54 | 99 | 134 | 198 | 
| 750 | 9.4 | 1.2 | 1.7 | 2.4 | 4.1 | 4.7 | 7.3 | 12 | 17 | 23 | 34 | 40 | 75 | 100 | 155 | 
| 90 | 1500 | 16.7 | 2.0 | 2.9 | 4.1 | 7.1 | 8.6 | 13 | 21 | 30 | 39 | 60 | 71 | 118 | 173 | 230 | 
| 1000 | 11.1 | 1.4 | 2.0 | 2.8 | 5.0 | 6 | 8.8 | 14 | 20 | 27 | 42 | 48 | 83 | 122 | 163 | 
| 750 | 8.3 | 1.1 | 1.5 | 2.1 | 3.9 | 4.4 | 6.7 | 10 | 15 | 21 | 30 | 36 | 64 | 90 | 125 | 
| 100 | 1500 | 15 | 1.6 | 2.3 | 3.5 | 6.1 | 7.4 | 11 | 17 | — | — | — | — | — | — | — | 
| 1000 | 10 | 1.1 | 1.6 | 2.4 | 4.4 | 5 | 7.8 | 11 | — | — | — | — | — | — | — | 
| 750 | 7.5 | 0.85 | 1.2 | 1.8 | 3.4 | 3.8 | 6.0 | 8.5 | — | — | — | — | — | — | — |