Data Sheet

SWS1000L

(2) Composite two-wheeled trailer vibration test

(MIL-STD-810F 514.5 Category 4- Truck/trailer/tracked-restrained cargo)

1. Purpose

2. Test method

Unit was taken directly from production line.Unit was compliant with production standards

The performance of vibration test machine is confirmed before vibration test.

Unit is tested in random vibration conditions based on [MIL-STD-810F_figure 514.5C-2]

/Hz

5 0.2252 45 0.0241 5 0.0474 46 0.0039 5 0.0563 121 0.0214

8 0.5508 51 0.0114 6 0.0303 51 0.0068 6 0.0563 146 0.0450

10 0.0437 95 0.0266 7 0.0761 55 0.0042 8 0.1102 153 0.0236

13 0.0253 111 0.0166 13 0.0130 158 0.0029 13 0.0140 158 0.0549

15 0.0735 136 0.0683 15 0.0335 235 0.0013 16 0.0303 164 0.0261

19 0.0143 147 0.0266 16 0.0137 257 0.0027 20 0.0130 185 0.0577

23 0.0358 185 0.0603 21 0.0120 317 0.0016 23 0.0378 314 0.0015

27 0.0123 262 0.0634 23 0.0268 326 0.0057 27 0.0079 353 0.0096

30 0.0286 330 0.0083 25 0.0090 343 0.0009 30 0.0200 398 0.0009

34 0.0133 360 0.0253 28 0.0090 384 0.0018 33 0.0068 444 0.0027

36 0.0416 500 0.0017 30 0.0137 410 0.0008 95 0.0190 500 0.0014

41 0.0103 34 0.0055 462 0.0020

37 0.0081 500 0.0007

* See the APPENDIX B [Direction of vibration]

* Test time is 40 minutes in each directions. (It shows road transportation of 500 miles in U.S.by

composite two-wheeled trailer.)

3. Acceptable conditions

During vibration test,no destruction in the test unit.

After vibration test,no abnormality in the electric characteristics and the mechanism.

4. Test result

Test based on [MIL-STD-810F 514.5 Category 4-Truck/trailer/tracked-restrained cargo-Mission/field transportation -

Two-wheeled trailer]

3.85 g rms

Longitudinal

2.40 g rms

Break points for curves of figure 514.5C-2 Composite two-wheeled trailer vibration exposures

<MIL-STD-810F_table 514.5C-VII>

Vertical Transverse

1.28 g rms

DENSEI-LAMBDA

R-14