TESTING DT-202 Manuel utilisateur

DT-202_007

Operation Manual

for Drop Tester

Model DT-202

SHINYEI TESTING MACHINERY CO.,LTD.

Cautions on safety

Please understand the following items and then, read this instruction manual (text) carefully for preventing the

danger to workers and surrounding persons and using this tester safely. Keep this instruction manual near the

tester for reading it whenever necessary.

Indications of tester

Negligence of this display during work may cause personnel death or serious injuries.

Observe the instruction contents.

Negligence of this display during work may cause a fire, an electric shock accident, or

other accidents that may result in workers’ injuries. Never disassemble the equipment

when power is being applied to the equipment. Observe the instruction contents.

Negligence of this display during work may cause an electric shock accident. Observe

the instruction contents.

Warning

Never

Disassemble

Electric Shock

Warnings and cautions

1. The specimen supporting base freely drops. Never enter the tester base, otherwise an accident may result.

2. A specimen may tilt down in an unexpected direction due to drop collision. Particularly be careful since certain

specimens may be broken to scatter.

3. Make sure at all times that none of other workers, packaged cargoes, and other material exists around the base.

4. If the other tester exists nearby, don’t disturb mutual work with due care by calling out to each other.

5. Set each specimen at the specified position on the specimen fixing base without fail and use the equipment

within the rated weight range.

6. Don’t process any noxious chemicals around the tester, otherwise a color change of paint or a trouble may occur.

7. Turn off the power switch if smoke goes up, an offensive smell gives out, or other abnormal symptom occurred,

or if water or the like was introduced into the tester or control unit. Don’t use the equipment as it is, otherwise

a fire or an electric shock accident may occur.

8. Don’t remove any parts of the main unit or disconnect the control unit from the case during test, otherwise it

may cause ingress of foreign substances to result in a trouble. It is possible that parts are replaced and checked

due to unavoidable circumstances during repair of a trouble.

In such a case, never perform any work other than specified by our instruction contents. If a foreign

substance should have introduced into the tester, turn off the power switch and contact us. Don’t continue

the work as it is, otherwise a trouble or an electric shock accident may occur.

9. Never modify the equipment, otherwise a fire, an electric accident, or a trouble may occur.

10. Don’t put any heavy package on the power cord of the control unit nor pull, forcibly bend, or scratch it,

otherwise a fire or an electric shock accident may result.

11. For relocating the equipment, contact us and observe our instructions.

If the hoisting position or work procedures for moving the equipment are wrong, the tester and control unit

may be damaged. Don’t ride on the tester or control unit nor put any heavy package on them, otherwise the

package may drop or break to cause injuries.

If the tester or control unit should have been damaged, please contact us.

12. It is recommended to execute “periodical maintenance check (check and repair)″once every year. Contact

us.

iii

Cautions on operation

1. Check if screws of each part are securely fastened or the tester is free of abnormal symptoms before starting a

test.

2. Check if the tester base is kept free of obstacles.

3. Don’t test any specimen exceeding the specified range (maximum dimensions and maximum weight).

4. Never apply any external force to the pneumatic cylinders which fix the specimen, otherwise the pneumatic

cylinders may become defective.

5. A specimen is released by drop operation to drop freely. Don’t approach to the tester base interior.

6. A specimen may tilt down in an unexpected direction due to drop collision. Particularly be careful since certain

specimens may be broken to scatter.

7. If the cover is removed from the control unit, etc. due to unavoidable circumstances, turn off the power source

to prevent an electric shock accident.

8. Turn off the power source before checking the tester.

9. The power supply is 220VAC, single-phase (with a grounding terminal). Connect the equipment to the ground

without fail.

10. If it is necessary to stop running the equipment urgently due to unavoidable circumstances, turn off the

[POWER] switch.

11. If the equipment is not used for a long time, disconnect the power cord plug from the plug socket.

User support

Periodical calibration

You are recommended to calibrate the instrument for confirming the performance once every year.

Please contact us.

Reference or Contact

SHINYEI TESTING MACHINERY CO., LTD.

(HEAD OFFICE)

B47-11,Katoridai,Tsukuba,Ibaraki,300-2657,Japan

Tel: +81-29-848-3571(Sales) FAX: +81-29-848-3572

E-mail: sales@stm.shinyei.co.jp

(KOBE OFFICE)

SHINYEI BLDG.5F,77-1,KYOMACHI,CHUO-KU,KOBE,Hyogo, 650-0034,JAPAN

Tel: +81-78-392-6963 FAX:+81-78-332-1619

(NAGOYA OFFICE)

Nishiki emuai BLDG. 5F, 1-7-39, Nishiki,Nakaku, Nagoya,Aichi, 460-0003, Japan

Tel: +81-52-218-5472 Fax: +81-52-218-6112

For inquiries through telephone

Monday to Friday (Excluding national holidays and festivals)

09:00 hours to 17:30 hours (Japan time)

Home Pages

For the guidance and latest information on this product and commodities being manufactured and sold by our

company, please refer to our home page.

URL：http://www.shinyei-tm.com/

Other

Please ask us if you have any question about the measurement and analysis of shocks and vibrations, related

standards (JIS, ISO, etc.) on shock testing methods as well as this product.

Contents

§1 Summary of equipment.................................................................................................................. 1

1-1 Specimen supporting base···································································································1

1-2 Fixing and drop operation of specimen ···················································································1

1-3 Drop height setting············································································································1

1-4 Safety measures of operation·······························································································1

§2 Outer View ...................................................................................................................................... 2

§3 Preparation ..................................................................................................................................... 3

3-1 Preparation to be executed first after installation ·······································································3

3-2 Preparation for test············································································································4

§4 Structure of components................................................................................................................ 5

4-1 Base ······························································································································5

4-2 Main column····················································································································5

4-3 Drop releasing device·········································································································5

4-4 Specimen supporting base···································································································5

4-5 Height setting pointer·········································································································5

4-6 Pneumatic pen cylinders (for fixing and releasing a specimen) ······················································5

4-7 Contacts ·························································································································5

4-8 Pneumatic regulator···········································································································6

§5 Operation method .......................................................................................................................... 7

5-1 Control unit ·····················································································································7

§6 Troubleshooting............................................................................................................................ 10

6-1 [POWER] indicator lamp does not light ················································································· 10

6-2 [POWER] indicator lamp lights, but the specimen does not drop·················································· 10

6-3 Pneumatic pen cylinders don’t operate·················································································· 10

§7 Daily check.................................................................................................................................... 11

§8 Performance and specifications ................................................................................................... 12

§9 Diagram ........................................................................................................................................ 14

9-1 Wiring diagram··············································································································· 14

9-2 Parts list in wiring diagram································································································· 15

Parts list in wiring diagram...........................................................................................................................15

9-3 Pneumatic piping diagram ································································································· 16

§1 Summary of equipment

This tester is used to test the shock resistance of a small and lightweight product (portable telephones, etc.)

by freely dropping it from the height of 250~ 2200mm

while holding it under an optional position.

1-1 Specimen supporting base

This specimen supporting base is used to support a specimen and freely drop it from an optional

height. It is provided with pneumatic pen cylinders to be able to release the specimen momentarily

at a specified position.

1-2 Fixing and drop operation of specimen

A specimen is set by [SET] and [RESET] push-button switches of the control unit. The specimen is

dropped by [DROP] push-button switch.

1-3 Drop height setting

The drop height can be set by setting the height setting bracket to an optional scale position of the

scale.

1-4 Safety measures of operation

The control system is designed by taking a serious view of safety.

1) When the pneumatic cylinders are set to the pull side, the drop operation is not done even if [DROP]

push-button switch is pressed.

2) Drop operation is done by [DROP] push-button switch. An alarm buzzer sounds when pressing this

switch and s specimen drops when releasing the switch.

3) If a trouble was detected when the buzzer is sounding by pressing [DROP] push-button switch, turn

off [POWER] switch without releasing [DROP] push-button switch, and the drop operation is not

done.

4) The electromagnetic holder for dropping a specimen is operated by feeding its power supply so that

no specimen drops when power was interrupted to ensure safe operation. The pneumatic cylinders

(solenoid valves) for releasing the specimen are also operated by feeding power, so that no

specimen drops when power was interrupted to ensure safe operation so long as the pneumatic

pressure is supplied normally.

250-500mm: In this range specimen can be just released from the setting height while chuck itself would be stay at

setting height.

§2 Outer View

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Fig. 1

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