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JMIJ type connecting intermediate shaft type diaphragm coupling

JMIJ type connecting intermediate shaft type diaphragm coupling

JMIJ type connects intermediate shaft type diaphragmCouplingBefore installation, first check whether the prime mover and the working machine are concentric, whether there are wrapping paper and bumps on the surfaces of the two shafts, whether there are debris in the inner holes of the two half couplings of the coupling, and whether there are bumps on the edges of the inner holes.
JMI diaphragm couplingMLZ type single flange plum blossom elastic couplingFlexible elastic coupling

JMIJ type with intermediate shaft typeDiaphragmCouplingInstallation instructions
1. Before installation, first check whether the prime mover and the working machine are concentric, whether there are wrapping paper and scratches on the surfaces of the two shafts, whether there are debris in the inner holes of the two half couplings of the coupling, and whether there is any edge of the inner hole. If there are bruises, the shaft and half coupling should be cleaned up, and the bruises should be treated with a fine file.Then check whether the inner hole diameter and length of the two half couplings are consistent with the diameter and shaft elongation of the prime mover and working machine.In general selection, it is better to make the length of the prime mover and the working machine end half-coupling less than its shaft elongation 10-30mm.
2. In order to facilitate the installation, it is better to put the two half couplings in the 120-150 incubator or oil tank for preheating, so that the inner hole size increases and it is easy to install.After installation, ensure that the shaft head cannot protrude from the end face of the half coupling, and it is better to be flush.Detect the distance between the two halves of the coupling: take the average of the readings of 3 to 4 points measured along the two inner sides of the flange of the half coupling, and the sum of the measured dimensions of the extension and the two diaphragm sets, two The error is controlled within the range of 0-0.4mm.
3. 找正:用百分表检测两半联轴节法兰盘端面和外圆跳动,当法兰盘外圆小于250mm时跳动值应不大于0.05mm;当法兰盘外圆大于250mm时,跳动值应不大于0.08.
JMDiaphragm couplingBasic parameters and main dimensions mm

model
Nominal torque
Tn
nm
Instantaneous large torque
Tmax
nm
High speed
nmax r/min
Diameter of shaft hole
d1,d2
Length of shaft hole
D
D1
t
Torsional stiffness
× 106
Nm/rad
质量
Kg
Moment of inertia
kg.㎡
J1 type Y type
L recommended
L
JMⅡ1
40
63
10700
14-28
27-62
35
80
39
8±0.2
0.37
0.9
0.0005
JMⅡ2
63
100
9300
20-38
38-82
40
92
53
0.45
1.4
0.0011
JMⅡ3
100
200
8400
25-45
44-112
45
102
63
0.56
2.1
0.002
JMⅡ4
250
400
6700
30-55
60-112
55
128
77
11±0.3
0.81
4.2
0.006
JMⅡ5
500
800
5900
35-65
60-142
65
145
91
1.2
6.4
0.012
JMⅡ6
800
1250
5100
40-75
84-142
75
168
105
14±0.3
1.42
9.6
0.024
JMⅡ7
1000
2000
4750
45-80
84-172
80
180
112
15±0.4
1.9
12.5
0.0365
JMⅡ8
1600
3150
4300
50-85
84-172
200
120
2.35
15.5
0.057
JMⅡ9
2500
4000
4200
55-85
84-172
205
20±0.4
2.7
16.5
0.065
JMⅡ10
3150
5000
4000
55-90
84-172
90
215
128
3.02
19.5
0.083
JMⅡ11
4000
6300
3650
60-95
107-172
100
235
132
23±0.5
3.46
25
0.131
JMⅡ12
5000
8000
3400
60-100
107-212
250
145
3.67
30
0.174
JMⅡ13
6300
10000
3200
63-110
107-212
110
270
155
5.2
36
0.239
JMⅡ14
8000
12500
2850
65-110
107-212
115
300
162
27±0.6
7.8
45
0.38
JMⅡ15
10000
16000
2700
70-125
107-212
125
320
176
8.43
55
0.5
JMⅡ16
12500
20000
2450
75-130
107-252
140
350
186
32±0.7
10.23
75
0.85
JMⅡ17
16000
25000
2300
80-140
132-252
145
370
203
10.97
85
1.1
JMⅡ18
20000
31500
2150
90-160
132-302
165
400
230
13.07
115
1.65
JMⅡ19
25000
40000
1950
100-170
167-302
175
440
245
38±0.9
14.26
150
2.69
JMⅡ20
31500
50000
1850
110-180
167-302
185
460
260
22.13
170
3.28
JMⅡ21
35500
56000
1800
120-200
167-282
200
480
280
23.7
200
4.28
JMⅡ22
40000
63000
1700
130-200
202-352
210
500
295
24.6
230
5.18
JMⅡ23
50000
80000
1600
140-220
202-352
220
540
310
44±1
29.71
275
7.7
JMⅡ24
63000
100000
1450
150-240
202-410
240
600
335
50±1.2
32.64
380
9.3
JMⅡ25
80000
125000
1400
160-250
242-352
255
620
350
50±1.2
37.69
410
15.3
JMⅡ26
90000
140000
1300
180-260
242-410
275
660
385
50.43
510
20.9
JMⅡ27
112000
180000
1200
190-280
282-470
295
720
410
60±1.4
71.51
620
32.4
JMⅡ28
140000
200000
1150
220-300
282-470
300
740
420
93.37
680
36
JMⅡ29
160000
224000
1100
240-320
330-470
320
770
450
114.53
780
43.9
JMⅡ30
180000
280000
1050
250-340
330-550
350
820
490
130.76
950
60.5