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7/28/2019 eqaliser
1/5
Forces in Winding mandral
1 Winding force
1.1 Maximum winding tension: N 1.5
Distance betwn bobin support to Tension force mm 14 Aprox
Bobin support distance mm 5.68
Maximum moment load Nmm 21
Maximum load at clamp bottom N 3.697183Factor for dynamic effect (Factor 2) N 7.394366
Safy factored load (Factor 2) N 14.78873
2 Wire cutting force
Wire dia mm 0.15
Strength N/mm2 297
Cutting load N 5.245763
Dynamic force ( factor 2) N 10.49153
Safty factor (factor 2) N 20.98305
Moment distance mm 15.8
Moment Nmm 331.5322
Support distance mm 15.49Load on clamp N 21.40298
3 Maximum Load Cutting load
Angle Deg 84
Cos 84 deg 0.1045
Sin 84 deg 0.9945
Horizontal load 2.236612
Load on Pin 21.28527
Load due to Wedge action
Wedge angle Deg 15
Cos 15 deg 0.9659
Sin 15 deg 0.2588
Normal reaction 5.539092
Coeficient of friction 0.1
Load 0.553909
0.573464
Total load 2.810076
Leaver moment
Distance mm 16.8
Moment Nmm 47.20928
Return spring load N 10
DistancePivote to load mm 16.8
Pivote to return spring mm 6.5
Pivote to return support mm 6.5
Total Anti clock moment Nmm 112.2093
Load at support N 17.26297
Two side load N 34.52593
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Load on planger N 29.89946
Required spring load N 30
Frictional loss N 33.33333
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Spring design Spring design
Doil OD Do mm 15.5 Doil OD Do mm
Axial load P1 N 50 Axial load P1 N
Axial load P2 N 70 Axial load P2 N
Length L1 mm 45 Length L1 mm
Length L2 mm 40 Length L2 mm
Spring rate Q n/mm 4 Spring rate Q n/mmFree length of active coils Lfa mm 57.5 Free length of active coil Lfa mm
Coil pitch p mm 3.536789 Coil pitch p mm
Free length Total coils Lf 61.5 Free length Total coils Lf
Moduls of rigidity G N/mm2 80000 Moduls of rigidity G N/mm2
Diflection Y mm 12.5 Diflection Y mm
Coil mean dia D mm 13.5 Coil mean dia D mm
Spring index C 6.75 Spring index C
Wire dia d mm 2 Wire dia d mm
No active torns na Nos. 16.25768 No active torns n Nos.
Total No. of turns n Nos. 18.25768 Total No. of turns n Nos.
Whole correction factor Ws 1.221546 Whole correction factor Ws
Solid Height Ls mm 36.51537 Solid Height Ls mmSolid diflection Ys mm 24.98463 Solid diflection Ys mm
Solid load N mm 99.93853 Solid load N mm
Wire strength N/mm2 1450 Wire strength N/mm2
Stress S N/mm2 524.5968 Stress S N/mm2
Spring design Spring design
coil OD Do mm coil OD Do mm
Coil ID Di mm 11.5 Coil ID Di mm
Wire dia d mm 2 Wire dia d mm
Coil mean dia D mm 13.5 Coil mean dia D mm
Free length Lf mm 64 Free length Lf mm
No active torns na Nos. 16 No active torns na Nos.
Total No. of turns n Nos. 18 Total No. of turns n Nos.
Length L1 mm 40 Length L1 mm
Length L2 mm 45 Length L2 mm
Diflection Y1 mm 24 Diflection Y1 mm
Diflection Y2 mm 19 Diflection Y2 mm
Solid difflection Ys 28 Solid difflection Ys
Moduls of rigidity G N/mm2 80000 Moduls of rigidity G N/mm2
Spring rate Q n/mm 4.064421 Spring rate Q n/mm
Spring index C 6.75 Spring index C
Whole correction factor Ws 1.221546 Whole correction factor Ws
Solid diff. load Ps N 113.8038 Solid diff. load Ps N
Load at Y1 P1 N 97.54611 Load at Y1 P1 NLoad at Y2 P2 N 77.224 Ok Load at Y2 P2 N
Solid Height Ls mm 36 Ok Solid Height Ls mm
Stress (solid diff.) Ss N/mm2 597.3782 Ok Stress (solid diff.) Ss N/mm2
Load
L1.
L2
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7/28/2019 eqaliser
4/5
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7/28/2019 eqaliser
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5
8
10
13.798
12.121
1.19260620.506
1.607426
22.306
80000
6.708
4.4
7.333333
0.6
12.75704
14.75704
1.202285
9.45422611.05177
13.18041
1450
822.0046
5
3.8
0.6
4.4
22.5
13
16
12.98
11.329
9.52
11.171
12.9
80000
1.170317
7.333333
1.202285
15.09709
11.14142 Ok13.07361 Ok
9.6 Ok
941.5398 Ok