动力总成悬置系统计算报告内容(部分)

SHANGHAI PATAC ***** Project
Calculation Report for the Power train Mounting Subsystem
Ningbo Tuopu Automobile Parts Co.,Ltd. R&D Center
NO: *********
June **, 2005
LIST
1 Reference Frame Definition (3)
Mounting System Data (3)
2 Engine
2.1 Power train Mass Characteristics (3)
and Mounting Angle (4)
2.2 Mount
Locations
3 Optimized Stiffness of the Mounts Based on Natural Frequency Analysis of the Power train (4)
4 Power train Rigid Body Natural Frequency and Energy Distribution (5)
5 Descriptions of the Force Versus Displacement in ui,vi and wi Directions of the Mounts (6)
5.1 Different Forms for Describing Force Versus Displacement (6)
6 Power train Characteristic about SGM V250 (13)
Listing (14)
7 Load
8 Power train Displacements And Rotations (15)
Displacements (16)
9 Mounts
Loads (18)
10 Mounts
11 Force versus Displacement Curve under Typical Load case (21)
case (21)
Load
11.1 Typical
11.2 Force versus Displacement Curve under Typical Load case (21)
11.2.1 Mount asm-eng ui (21)
11.2.2 Mount asm-eng vi (22)
11.2.3 Mount asm-eng wi (22)
11.2.4 Mount asm-trans ui (22)
11.2.5 Mount asm-trans vi (22)
11.2.6 Mount asm-trans wi (22)
11.2.7 Mount asm-eng frt ui (22)
11.2.8 Mount asm-eng frt vi (22)
11.2.9 Mount asm-eng frt wi (23)
11.2.10 Mount asm-trans rr ui (23)
11.2.11 Mount asm-trans rr vi (23)
11.2.12 Mount asm-trans rr wi (23)
12 Power train Maximum Displacements , Rotations and Maximum Load (23)
Rotations (23)
And
Displacements
12.1 Maximum
Calculation report for the SGM V250-AT Power train Mounting Subsystem
1 Reference Frame Definition
1.1 Power train Coordinates systems：The origin is at centroid of power train，+Z is upwards，+X towards the rear of vehicle；
1.2 Mount Coordinate system：Defined by its three elastic principal axis，with symbol of u i ,v i and w i.
1.3 Coordinates conforms the right hand principle.
2 Engine Mounting System Data
2.1 Power train Mass Characteristics
Power train’s Moment of Inertia (N.m.s²):
Moments of principal Inertia and orientations:
Coordinates of Power train C.G.:
2.2 Mount Locations and Mounting Angle
Mounts mounting Angle（Determined by the directions of its three elastic principal in vehicle coords）3 Optimized Stiffness of the Mounts Based on Natural Frequency Analysis of the Power train
4 Power train Rigid Body Natural Frequency and Energy Distribution
Definition of the vibration models
DESIGNATION DESCRIPTION
Fore /Aft Translation in X
Y
Lateral Translation
in
Bounce Translation in Z
Roll Rotation about X
about
Y
Pitch Rotation
Yaw Rotation about Z
Natural frequency and energy distribution
Bounce Roll Pitch Yaw
/Aft Lateral
Fore
Freq (Hz) 8.017.309.2714.2011.6213.18
Fore /Aft 92.31140.03580.54640.0056 6.7063 1.843
Lateral 0.069296.49860.105 2.06460.4940.4217
Bounce 0.51920.060299.05970.28770.05860.0005
Roll 0.0522 3.01520.17583.3202 5.7003 6.0414
Pitch 3.99020.32250.05787.472386.805510.083
Yaw 3.05790.06780.0562 6.84970.235381.6105
5 Descriptions of the Force Versus Displacement in ui,vi and wi Directions of the Mounts 5.1
Different Forms for Describing Force Versus Displacement
（X unit: mm ，F unit : N ）
① Relation of Force versus Displacement ② Turning Point
Force versus Displacement ： F=k*x+delta
k and Δchange with displacement x , as the following:
NO
X (mm)
F (N)
P0
P1 a P2 b P3 c
P4 d
P5
x
k
delta （－∞, a ）K1 -k 1a+k 2(a-b)+k 3b
［a , b ］K2 -k 2b+k 3b
［b , c ］K3 0 （c , d ）K4 k 3c-k 4c （d ,＋∞）
K5
k 3c-k 4c+k 4d-k 5d
Direction Mount asm-trans ui F~X
Stop
F~X
Stop
Direction Mount asm-trans wi F~X
Stop
F~X
Stop
Direction Mount asm-eng frt vi F~X
Stop
x k(N/mm)delta F~X
Stop
Direction Mount asm-trans rr ui
x k(N/mm)delta F~X
Stop
x k(N/mm)delta F~X
Stop
Direction Mount asm-trans rr wi
F~X
Stop
6 Power train Characteristic about SGM V250
Engine:
Max engine torque (N-m):
1
Idle Speed-warm(rpm):
Idle Speed-cold(rpm):
Transmission:
Auto transmission K factor:
Auto transmission Torque Ratio:
1st gear ratio:
2nd gear ratio:
2
3rd gear ratio:
4th gear ratio:
5th gear ratio:
final drive ratio:
reverse gear ratio:
Listing
7 Load
Force（N）Torque (N-m)
Case no.Load description
Load Case
Fx Fy Fz Mx My Mz
1Static Design Position000000Typical Load
2Maximum Forward Torque （WOT，Forward）000 04143.60Typical Load
3Maximum Reverse Torque （WOT，Reverse）000 0-4538.70Typical Load
4WOT Forward & 0.5G Forward Acceleration1053.0100 04143.60Typical Load
12 3.5 G Up Shipping007371.07000Extreme Load
Load
13 3.5 G Down Shipping 00-7371.07000Extreme
24Max Pothole-4212.040-10530.1000Extreme Load
0660.64940Typical Load 29Cold Drive Idle Torque 000
8 Power train Displacements And Rotations
PT CG Displacement(mm) PT CG Rotation(degree)
Case no Load description
X Y Z Rx Ry Rz 1Static Design Position000000
2Maximum Forward Torque （WOT，Forward）0.4792-0.4650.855-0.2544 2.27750.1355
3Maximum Reverse Torque （WOT，Reverse）-0.80090.4706-0.81380.2569-2.2661-0.1447
4WOT Forward & 0.5G Forward Acceleration0.8412-0.46610.839-0.2543 2.28990.1444
12 3.5 G Up Shipping-0.2225-0.180710.8202-0.10260.09510.0084
13 3.5 G Down Shipping 0.1238-0.0289-10.713-0.017-0.0522-0.0051
24Max Pothole-5.27960.033-12.17360.0134-0.2116-0.0633
29Cold Drive Idle Torque -0.66-0.27680.1308-0.144 1.4530.1677
9 Mounts Displacements Disp. in mount local coord. (mm) Disp. in vehicle coord. (mm) Case no
Load description
Mount Name ui vi wi x y z
Mount asm-eng
0 0 -6.1857 0 0 -6.1857 Mount asm-trans 0 0 -5.8603 0 0 -5.8603 Mount asm-eng frt -0.1351 0 -0.3374 0.0766 0 -0.3553 1
Static Design Position
Mount asm-trans rr -0.2111
0.3378
0.0896
0.3881
Mount asm-eng
6.476 0.2383 -5.8911 6.476 0.2383 -5.891 Mount asm-trans 8.734 0.4734 -5.2762 8.734 0.4734 -5.2762 Mount asm-eng frt 1.9538 -1.7447 12.1951 -5.1996 -1.7447 11.2027 2 Maximum Forward Torque （WOT ，Forward ）
Mount asm-trans rr 2.4646 -0.6467 -13.2789 -7.6468 -0.6467 -11.1324 Mount asm-eng
-6.6801 -0.2335 -6.4091 -6.6801 -0.2335 -6.4091 Mount asm-trans -9.0922 -0.4846 -6.4336 -9.0922 -0.4846 -6.4336 Mount asm-eng frt -2.4657 1.7996 -12.5945 4.9986 1.7996 -11.8201 3 Maximum Reverse Torque （WOT ，Reverse ）
Mount asm-trans rr -3.1317 0.6103 13.6771 7.4568 0.6103 11.8856 Mount asm-eng
6.7988 0.2303 -5.8969 6.7988 0.2303 -5.8969 Mount asm-trans 9.2047 0.4807 -5.3055 9.2047 0.4807 -5.3054 Mount asm-eng frt 2.2538 -1.7869 12.0431 -4.8659 -1.7868 11.2445 4
WOT Forward & 0.5G Forward Acceleration
Mount asm-trans rr
2.7524
-0.5985
-13.1107
-7.3244
-0.5985
-11.2169
-5.4229 -4.7709 4.0986
-2.4505 -6.8948 -6.9085 -4.3749
2.8552 Mount asm-eng 0.0039 0.1373
3.7976 0.0039 0.1373 3.7976 Mount asm-trans 0.1432 0.1518 5.6685 0.1432 0.1518 5.6685 Mount asm-eng frt 5.8022 -0.4813 9.2907 -0.385 -0.4812 10.947 12 3.5 G Up Shipping
Mount asm-trans rr -7.9378 -0.5088 7.2674 -0.4741 -0.5088 10.7517
Mount asm-trans -0.0814 0.0197 -16.3885 -0.0814 0.0196 -16.3885 Mount asm-eng frt -6.0467 -0.0483 -9.5576 0.3316 -0.0483 -11.3048
Mount asm-trans rr
7.3728 -0.1192 -6.8066 0.4004 -0.1192 -10.0263
Disp. in mount local coord. (mm) Disp. in vehicle coord. (mm) Case no
Load description
Mount Name
ui vi wi x y z
Mount asm-eng -5.3886 0.0375 -18.3975 -5.3887 0.0374 -18.3975 Mount asm-trans -6.4434 -0.0723 -17.9288 -6.4435 -0.0724 -17.9289 Mount asm-eng frt -11.4463 0.3619 -8.587 -4.6876 0.3619 -13.5196 24 Max Pothole
Mount asm-trans rr
4.3623
-0.2666
-10.6691
-4.4596
-0.2666
-10.6288
5.7317 7.3408 12.0277
13.3012 -5.8074 -5.4189 9.5831
-9.4751 -5.8214 -5.3951 9.8531
-9.7513
-6.3033 -10.3418
10.3729 Mount asm-eng 2.4469 0.0538 -6.2507 2.4469 0.0538 -6.2507 Mount asm-trans 5.2426 0.3449 -6.0454 5.2426 0.3448 -6.0453 Mount asm-eng frt 0.1871 -1.4252 7.831 -4.2239 -1.4252 6.5968 29 Cold Drive Idle Torque
Mount asm-trans rr
1.1521 0.1217 -9.2963 -5.7588 0.1217 -7.3882 10 Mounts Loads
Force. in mount local coord. (N) Force. in vehicle coord. (N) Case
no
Load description
Mount Name ui vi wi x y z
Mount asm-eng
0 0 -989.7 0.0 0.0 -989.7 Mount asm-trans 0 0 -1113.5 0.0 0.0 -1113.5 Mount asm-eng frt -21.6 0 -32.1 0.0 0.0 -38.7 1
Static Design Position
Mount asm-trans rr -25.3
25.3
0.0
0.0
35.8
Mount asm-eng
2373.6 33.4 -942.6 2373.6 33.4 -942.6 Mount asm-trans 3027.2 71 -1002.5 3027.2 71.0 -1002.5 Mount asm-eng frt 312.6 -78.5 4136.6 -2054.0 -78.5 3604.2 2 Maximum Forward Torque （WOT ，Forward ）
Mount asm-trans rr 295.8 -25.9 -5028.9 -3346.9 -25.9 -3765.1 Mount asm-eng
-2598.1 -32.7 -1025.5 -2598.1 -32.7 -1025.5 Mount asm-trans -3313.8 -72.7 -1222.4 -3313.8 -72.7 -1222.4 Mount asm-eng frt -394.5 81 -4615.9 2254.1 81.0 -4047.4 3 Maximum Reverse Torque （WOT ，Reverse ）
Mount asm-trans rr -375.8 24.4 5548.6 3657.7 24.4 4189.2 Mount asm-eng
2728.6 32.2 -943.5 2728.6 32.2 -943.5 Mount asm-trans 3403.8 72.1 -1008 3403.8 72.1 -1008.0 Mount asm-eng frt 360.6 -80.4 3954.2 -1912.2 -80.4 3479.8 4
WOT Forward & 0.5G Forward Acceleration
Mount asm-trans rr
330.3
-23.9
-4809.4
-3167.2
-23.9
-3634.3
-719.5 -1212.9 3579.1
-3752.7
3620.8
-3773.1 -536.1 -743.6 5682.6
-2296.8
Force. in mount local coord. (N)
Force. in vehicle coord. (N)
Case no
Load description
Mount Name
ui vi wi x y z
-1367.3 -1282.2 1559.0
-5227.5 -1024.6 -1215.9 -3895.1
4029.7
Mount asm-eng 0.6 19.2 1470.5 0.6 19.2 1470.5 Mount asm-trans 11.5 22.8 1484.8 11.5 22.8 1484.8 Mount asm-eng frt 928.4 -21.7 882.6 276.1 -21.7 1250.9 12 3.5 G Up Shipping
Mount asm-trans rr -952.5 -20.4 545.1 -288.1 -20.4 1059.0
Mount asm-eng frt -967.5 -2.2 -971.6 -258.8 -2.2 -1346.5
Mount asm-trans rr
884.7 -4.8 -510.5 264.6 -4.8 -986.6
-1143.2 -965.3 -20.8
23.3
Force. in mount local coord. (N) Force. in vehicle coord. (N) Case no
Load description
Mount Name
ui vi wi x y z
Mount asm-eng -1177.5 5.2 -4523.9 -1177.5 5.2 -4523.9 Mount asm-trans -1194.8 -10.9 -4893.8 -1194.8 -10.9 -4893.8 Mount asm-eng frt -1831.4 16.3 -815.8 -1062.1 16.3 -1700.4 24 Max Pothole
Mount asm-trans rr
523.5
-10.7
-1623.2
-777.6
-10.7
-1517.9
2679.0 2822.7 1635.7
1286.7 -929.2 -1029.6 1983.1
-2130.3 -931.4 -1025.1 2253.2
-2402.8
Mount asm-eng 367 7.5 -1000.1 367.0 7.5 -1000.1 Mount asm-trans 419.4 51.7 -1148.6 419.4 51.7 -1148.6 Mount asm-eng frt 29.9 -64.1 743.9 -391.2 -64.1 633.5 29 Cold Drive Idle Torque
Mount asm-trans rr
138.3 4.9 -697.2 -395.3 4.9 -590.8
11 Force versus Displacement Curve under Typical Load case 11.1 Typical Load case ①
Static Design Position
② Maximum Forward Torque (WOT,Forward) ③ Maximum Reverse Torque(WOT, Reverse) ④ 5/8 WOT Forward ⑤
Cold Drive Idle Torque
11.2 11.2.1 Mount asm-eng ui
11.2.2 Mount asm-eng vi 11.2.3 Mount asm-eng wi 11.2.4 Mount asm-trans ui 11.2.5 Mount asm-trans vi 11.2.6 Mount asm-trans wi 11.2.7 Mount asm-eng frt ui 11.2.8 Mount asm-eng frt vi
11.2.9 Mount asm-eng frt wi
11.2.10 Mount asm-trans rr ui
11.2.11 Mount asm-trans rr vi
11.2.12 Mount asm-trans rr wi
12 Power train Maximum Displacements , Rotations and Maximum Load
12.1 Maximum Displacements And Rotations
PT CG Displacement(mm)PT CG Rotation(degree)
X Y Z Rx Ry Rz Maximum
Minimum
Annotation: “－”is reverse; Ex loads of ‘11g front and rear bumper’
12.2 Maximum Load
Maximum Force. in mount local coord. (N)
Minimum Force. in mount local coord. (N)
Mount Direction Mount Name ui vi wi ui vi wi
Mount asm-eng
Mount asm-trans Mount asm-eng frt Maximum Force. in ui
Mount asm-trans rr
Mount asm-eng
Mount asm-trans Mount asm-eng frt Maximum Force. in vi
Mount asm-trans rr
Mount asm-eng
Mount asm-trans Mount asm-eng frt Maximum Force. in wi
Mount asm-trans rr
Annotation: “－”is reverse。