Z4 Type Expansion Coupling Sleeve Features: Z4 Type Expansion Sleeve is composed of a split double cone inner ring with different tapers, a split double cone outer ring and two double cone compression rings, which are locked with hexagon socket bolts.Compared with the Z2 type, the joint surface is long and the centering accuracy is high. It is used in the occasions that require high rotation accuracy and transfer large loads.
Markup example:
内径d=130mm、外径D=180mm的Z2型胀紧联接套:胀套Z2-130×180
Installation reference example
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basic size
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Rated load
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Expansion sleeve and shaft
Bonding surface
pressure
Pf
N / mm2
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Expansion sets and wheels
Hub interface
Pressure on
Pf′
N / mm2
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Screw tightening
Moment
MA
N · m
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Weight
kg
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d
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D
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l
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L
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L1
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d1
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n
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Axial force
F1
KN
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Torque
M1
KN·m
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mm
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70
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120
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56
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62
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74
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M12
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8
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197
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6.85
|
201
|
117
|
145
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3.3
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80
|
130
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12
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291
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11.65
|
263
|
162
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3.7
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90
|
140
|
290
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13.00
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234
|
150
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4.0
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100
|
160
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74
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80
|
94
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M14
|
15
|
389
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19.70
|
213
|
133
|
230
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7.2
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110
|
170
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483
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22.60
|
242
|
157
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7.7
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120
|
180
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482
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28.90
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222
|
148
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8.3
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125
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185
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480
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30.00
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212
|
143
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8.5
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130
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190
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31.20
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205
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140
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8.8
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140
|
200
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18
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574
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40.20
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227
|
159
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9.3
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|
150
|
210
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572
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42.90
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212
|
152
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10.0
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160
|
230
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88
|
94
|
110
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M16
|
800
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64.00
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227
|
158
|
355
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14.9
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170
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240
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795
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67.80
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214
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152
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15.7
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180
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250
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21
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923
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83.00
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235
|
170
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16.4
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190
|
260
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921
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88.00
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223
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163
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17.2
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200
|
270
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24
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1050
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105.00
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242
|
179
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18.8
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210
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290
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110
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116
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134
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M18
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20
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1118
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117.30
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197
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143
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485
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23.0
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220
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300
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21
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1120
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123.00
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189
|
138
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27.7
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240
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320
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24
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1280
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153.00
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198
|
148
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29.8
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250
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330
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27
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1282
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160.20
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205
|
157
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31.0
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260
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340
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1430
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186.00
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157
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32.0
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280
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370
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130
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136
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156
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M20
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24
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1650
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230.00
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192
|
145
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690
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46.0
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300
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390
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245.00
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179
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138
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49.0
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Note: The mechanical performance grade of Z4 type expansion coupling set screws is 12.9.
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