Test steps of the hottest vibrator

2022-09-20
  • Detail

Vibrator test steps

step operation:

1 place the surface of the package on the vibrating table.

2 start the vibrator to vibrate at the lowest frequency of the machine, and the full amplitude displacement is one inch (25 mg). Usually, the potentiometer is connected with the power supply voltage

3 to maintain an inch (25 mg) fixed displacement, Slowly increase the frequency (speed) of the vibrating table until the package starts to leave the surface of the vibrating table.

keep the machine vibrating at the frequency obtained in step 3. 5 can the metal sheet move intermittently between the bottom of the longest side of the package and the vibrating table

. If yes, keep this frequency and continue to the next step.

If not, gradually increase the frequency until it meets the requirements of step 5, and then maintain the new frequency.

6 determine the test time with the above formula before the start of the vibration test and the CPM or Hz obtained in step 5

7 start timing the vibration test time. 8 is the vertical linear motion of the vibration system used

. If yes, see Step 12

. If not, proceed to the next step

9 stop the vibration test after half of the vibration is completed, and then complete the appropriate steps listed in the following table:

if the single 90o horizontal rotation is: then carry out the following horizontal rotation:

the possible test sample is placed on the table, 90o

is impossible, because the size of the package or the stability test sample is placed on the table, 180o

10 start the vibration system, and continue the vibration test with the frequency determined in step 7

11 can the metal sheet be moved intermittently between the bottom of the longest side of the package and the vibrating table for this reason? Dr. Frank Henning, the head of the research direction, affirmed and praised Hengrui

. If yes, proceed to the next step

. If not, gradually increase the frequency until the requirements of step 11 are met

12 completion vibration time

13 if allowed, and under no circumstances will the inspection change the existing condition of the package or the position or condition of the product, even in the extremely high temperature range, inspect the package

for any visible damage to the package

14 the vibration test is over

it is hereby noted that the size of the metal sheet: 0.06 inch (1.5 mm) thick, about 2 inches (50 mm) wide,

test speed (CPM)

corresponding frequency (Hz)

test time (m)

150

2.5

95

180

3.0

79

210

3.5

66

240

4.0

60

270

4.5

53

300

5.0

48

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