The Z12B type expansion coupling sleeve can combine the shaft hub with a larger fit gap. When disassembling, loosen the bolts to make the connected parts easy to disassemble.When swelling, the contact surface fits tightly and is not easy to rust, and it is also easy to disassemble.
The basic dimensions and parameters of Z12B expansion sleeve:
A Basic size (mm) Dimensions | Socket head cap screws | Rated load | Pressure on the joint surface of expansion sleeve and shaft pt N/mm2 | Pressure on the joint surface of expansion sleeve and wheel load pt N/mm2 |
Screw tightening torque MA N. m |
weight kg |
||||||
d | D | l | L | L1 | d1 | n |
Axial force Ft kN |
Torque Mt kN. m |
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70 | 110 | 50 | 60 | 70 | M10 | 8 | 204 | 7.15 | 194 | 107 | 83 | 2.3 |
80 | 120 | 10 | 250 | 10.25 | 212 | 123 | 2.5 | |||||
90 | 130 | 11 | 280 | 12.6 | 207 | 125 | 2.7 | |||||
100 | 145 | 60 | 70 | 82 | M12 | 10 | 372 | 18.6 | 205 | 126 | 145 | 4.1 |
110 | 155 | 10 | 372 | 20.5 | 187 | 118 | 4.4 | |||||
120 | 165 | 11 | 408 | 24.5 | 188 | 122 | 4.8 | |||||
130 | 180 | 65 | 79 | 91 | 14 | 520 | 33.8 | 197 | 128 | 6.3 | ||
140 | 190 | 15 | 557 | 39.0 | 196 | 130 | 6.6 | |||||
150 | 200 | 15 | 557 | 41.8 | 183 | 123 | 7.8 | |||||
160 | 210 | 16 | 593 | 47.5 | 183 | 125 | 9.4 | |||||
170 | 225 | 78 | 92 | 106 | M14 | 15 | 764 | 65.0 | 193 | 133 | 230 | 10.7 |
180 | 235 | 15 | 765 | 69.0 | 182 | 127 | 11.3 | |||||
190 | 250 | 88 | 102 | 116 | 16 | 815 | 77.5 | 163 | 103 | 14.6 | ||
200 | 260 | 20 | 1020 | 102 | 194 | 124 | 15.3 | |||||
220 | 285 | 96 | 108 | 124 | M16 | 15 | 1060 | 117 | 174 | 113 | 355 | 20.2 |
240 | 305 | 20 | 1410 | 170 | 212 | 140 | 21.8 | |||||
260 | 325 | 21 | 1480 | 193 | 205 | 138 | 23.4 | |||||
280 | 355 | 110 | 130 | M20 | 15 | 1650 | 232 | 213 | 141 | 690 | 30.0 | |
300 | 375 | 15 | 1650 | 249 | 198 | 134 | 31.2 | |||||
320 | 405 | 124 | 136 | 156 | 20 | 2210 | 354 | 191 | 125 | 48.0 | ||
340 | 425 | 20 | 2210 | 376 | 180 | 119 | 51.0 | |||||
360 | 455 | 140 | 155 | 177 | M22 | 20 | 2750 | 496 | 185 | 118 | 930 | 69.0 |
380 | 475 | 20 | 2750 | 524 | 175 | 113 | 73.0 | |||||
400 | 495 | 22 | 3010 | 602 | 183 | 122 | 76.0 | |||||
420 | 515 | 24 | 3300 | 694 | 190 | 127 | 80.0 | |||||
440 | 535 | 24 | 3300 | 728 | 166 | 123 | 81 | |||||
460 | 555 | 24 | 3300 | 760 | 159 | 118 | 85 | |||||
480 | 575 | 25 | 3440 | 830 | 159 | 119 | 88 | |||||
500 | 595 | 25 | 3440 | 861 | 153 | 115 | 91 | |||||
520 | 615 | 28 | 3850 | 1003 | 164 | 124 | 95 | |||||
540 | 635 | 28 | 3850 | 1042 | 158 | 120 | 98 | |||||
560 | 655 | 30 | 4130 | 1157 | 163 | 125 | 101 | |||||
580 | 675 | 30 | 4130 | 1190 | 158 | 121 | 104 | |||||
600 | 695 | 30 | 4130 | 1240 | 153 | 118 | 108 |
The Z12 type expansion sleeve is suitable for the connection of the shaft and the parts on the shaft to transmit the combined load of the torque and the axial force.