The connection between an electric motor and a construction machine shaft is provided by means of a rigid coupling with flanges, through which the moment is transferred via the coupling flanges.The power of the electric motor is 35kw and the speed is 870rpm. The coupling flanges are connected with three bolts of quality 5.6 with a placement diameter of 40 mm.The surface pressure safety stress for bolts is 16 MPa. The contact length of the bolt with the coupling flange is 12 mm. The coefficient of friction on the flange surfaces is 0.14; the operating factor for the coupling is 0.8. The working conditions of the contact element, the material properties are very well known; since force and stress analyses can be performed with high accuracy,;question) Determine the bolt that should be used in the clutch from the table. metric screw.NORMAL TEETHTABLE OF JTS 61/DIN 13Screw rated diameter Step 1D=dPM1M2M3M4MSM6M8M10M12M14M16M18M20M22M24M27M30M32M36M39M42M45M48M520,250,400,500,700,801,004,004,504,505,005,00d2Externald10,6931,5092,3873,1414,0194,7736,4668,160ip6Dis bottom diameterRDrillP60°internal screwD10,7291,5672,4593,2424,1344,9171,256,6471,508,3761,759,85310,1062,00 11,546 11,8352,0013,546 13,8352,5014,933 15,2942,5016,933 17,2942,5018,933 19,2943,0020,319 20,7523,00 23,319 23,7523,50 25,70626,2113,5028,70629,2114,0031,09331,67034,09334,67036,479 37,12939,47940,12941,866 42,587 43,0045,866 46,58747,00Thread screwçapıIntemal screwD₁D₂THDentistryBaum diameter Toothvidad2=D2h30,1530,750,6381,001,7400,2452,502,675 0,3073,303,5450,4294,204,4800,4915,005,3500,6136,807,1880,7678,509,0260,92010,2010,8631,07412,0012,7011,22714,0014,7011,22715,5016,3761,53417,5018,3761,53419,5020,3761,53421,0022,0511,84024,0025,0511,84026,5027,7272,14729,50 30,7272,14732,0033,4022,45435,00 36,402 2,45437,5039,0772,76040,5042,0772,76044,7523,06748,752 3,067DH10,1350,2170,2710,3790,4430,5410,6770,8120,9471,0831,0831,3531,3531,3531,6241,6241,8941,8942,1852,1652,4362,4362,7062,706

The number of bolts, n = 3The pitch circle diameter of bolt, d = 40 mmThe surface pressure endurance…

Answered: The connection between an electric…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The connection between an electric motor and a construction machine shaft is provided by means of a rigid coupling with flanges, through which the moment is transferred via the coupling flanges.
The power of the electric motor is 35kw and the speed is 870rpm. The coupling flanges are connected with three bolts of quality 5.6 with a placement diameter of 40 mm.
The surface pressure safety stress for bolts is 16 MPa. The contact length of the bolt with the coupling flange is 12 mm. The coefficient of friction on the flange surfaces is 0.14; the operating factor for the coupling is 0.8. The working conditions of the contact element, the material properties are very well known; since force and stress analyses can be performed with high accuracy,;

question) Determine the bolt that should be used in the clutch from the table.

metric screw.
NORMAL TEETH
TABLE OF J
TS 61/DIN 13
Screw rated diameter Step 1
D=d
P
M1
M2
M3
M4
MS
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M32
M36
M39
M42
M45
M48
M52
0,25
0,40
0,50
0,70
0,80
1,00
4,00
4,50
4,50
5,00
5,00
d2
External
d1
0,693
1,509
2,387
3,141
4,019
4,773
6,466
8,160
ip
6
Dis bottom diameter
R
Drill
P
60°
internal screw
D1
0,729
1,567
2,459
3,242
4,134
4,917
1,25
6,647
1,50
8,376
1,75
9,853
10,106
2,00 11,546 11,835
2,00
13,546 13,835
2,50
14,933 15,294
2,50
16,933 17,294
2,50
18,933 19,294
3,00
20,319 20,752
3,00 23,319 23,752
3,50 25,706
26,211
3,50
28,706
29,211
4,00
31,093
31,670
34,093
34,670
36,479 37,129
39,479
40,129
41,866 42,587 43,00
45,866 46,587
47,00
Thread screw
çapı
Intemal screw
D₁
D₂
TH
Dentistry
Baum diameter Toothvida
d2=D2
h3
0,153
0,75
0,638
1,00
1,740
0,245
2,50
2,675 0,307
3,30
3,545
0,429
4,20
4,480
0,491
5,00
5,350
0,613
6,80
7,188
0,767
8,50
9,026
0,920
10,20
10,863
1,074
12,00
12,701
1,227
14,00
14,701
1,227
15,50
16,376
1,534
17,50
18,376
1,534
19,50
20,376
1,534
21,00
22,051
1,840
24,00
25,051
1,840
26,50
27,727
2,147
29,50 30,727
2,147
32,00
33,402
2,454
35,00 36,402 2,454
37,50
39,077
2,760
40,50
42,077
2,760
44,752
3,067
48,752 3,067
D
H1
0,135
0,217
0,271
0,379
0,443
0,541
0,677
0,812
0,947
1,083
1,083
1,353
1,353
1,353
1,624
1,624
1,894
1,894
2,185
2,165
2,436
2,436
2,706
2,706

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