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IS 5325 (1989): Box Pallets for Through Transit of Goods -Methods of Test [TED 12: Transport Engineering]

IS 5325 : 1989

:-i

Indian Standard

BOX PALLETS FOR THROUGH TRANSIT OF GOODS-METHODS

( First Revision )

m&T WV5

OF TEST

UDC 621’869’823 : 620’1

‘-\ ,

I -_

0 BIS 1990

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

May 1990 Pr ice Group 2

Pallets Sectional Committee, HMD 11

FOREWORD

This Indian Standard ( First Revision ) was adopted by the Bureau of Indian Standards on 25 October 1989, after the draft finalised by the Pallets Sectional Committee had been approved by the Heavy Mechanical Engineering Division Council.

The box pallets for through transit referred to herein means those commonly used naturally in related industries from the starting site to the destination through various transporting means ( such as railways, trucks and ships ).

This standard was first published in 1969 covering basic tests for determining suitability of box pallets and post pallets.

In this revision, the amount of test load has been increased from 1’25 to 2’5 times the maximum payload of the box pallet during downward loading test and from 0’25 to 0’4 times during horizontal loading test.

In the preparation of this standard, assistance has been derived from JIS Z 0612-1977 ‘Testing methods of box pallets for through transit’, ( JISC ).

issued by Japanese Industrial Standards Committee

IS 5 3 2 5 : 1 9 8 9

Indian Standard

BOX PALLETS FOR THROUGH TRANSIT OF GOODS-METHODS OF TEST

( First Rev ision ) 1 SCOPE

1.1 This standard specifies methods of test for box pallets for through transit of goods for determining their suitability.

2 REFERENCES

IS No. Title

IS 3971 : 1967 Glossary of terms on pallets

3 TERMINOLOGY

3.1 For the purpose of this standard, the terms and definitions given in IS 3971 : 1967 in addi- tion to the following shall apply.

3.2 Downward Loading Test of Box Pallet

A test for the strength against loading in the vertical direction during transportation by apply- ing a downward load to the load carrying surface of the box pallets.

3.3 Horizontal Loading Test of Box Pallet

A test for the strength of tha upper structure against loading in the horizontal direction during transportation by applying a load to the side plates of the box pallet. .

3.4 Superimposed Loading Test of Box Pallet

A test for the strength against the superimposed load exerted on the upper structure of the box pallet.

4 TEST SPECIMENS

4.1 The number of test specimens used in each test shall be three or more.

5 METHODS OF TEST

5.1 Downward Loading Test

5.1.1 Place the specimen box pallet on* rigid and horizontal supports and support it at the super- imposed load bearing area.

5.1.2 Apply an equally distributed load corres- ponding to 2’5 times the maximum payload to the load carrying surface of, the box pallet, and

measure the maximum ‘deflection quantity of the load carrying surface.

5.1.3 Remove the load, and after leaving it standing for 30 minutes, measure the residual deflection quantity of the part where the maximum deflection has occurred.

5.1.4 Measure the deflection quantity with a dial gauge or the like, as shown in Fig. 1 and 2.

5.2 Horizontal Loading Test

The test shall be performed by either of the following two kinds of tests.

5.2.1 Test 1 5.2.1.1 Fix the specimen box pallet at the root of its upper structure so as to make the side plate being tested positioned on the lower side and maintained horizontal ( see Fig. 3 ).

5.2.1.2 Place a load corresponding to 0’4 times the maximum payload to distribute it equally on the side plate being tested.

5.2.1.3 Measure the deflection quantity at the 6 positions as shown in Fig. 3, by ‘*‘.

5.2.1.4 Remove the load, and after leaving it standing for 30 minutes, measure the residual deflection quantity.

5.2.1.5 Perform this test for each side plate.

5.2.2 Test 2

5.2.2.1 Fill the specimen box pallet so as to obtain a load equal to the maximum payload.

5.2.2.2 Fix the box pallet horizontally on the gliding wagon of an incline impact tester.

5.2.2.3 Let the gliding wagon run with a shock absorber interlayer between the gliding wagon and the impact plate to apply an impact of 3 g.

5.2.2.4 Examine for the occurrence of abnormali- ties ( See Fig. 4 ).

5.2.2.5 Perform this test for each side plate.

5.3 Superimposed Loading Test

5.3.1 Place the specimen box pallet on a rigid and horizontal base.

1

1s 5325 : 1989

DIAL GAUGE

FIG. 1 DOWNWARD LOADING TEST

6 1

. e FIG. 2 DOWNWARD LOADING TEST

5.3.2 Stack loaded box pallets of the same shape in the prescribed number of stages. In this test, apply to the specimen box pallet a load corres- ponding to the superimposed load plus 25 per- cent.

.5.3.3 Examine the occurrence of abnormalities.

6 TEST REPORT

6.1 The following items shall be written in the test report:

a) Type, class, load, dimensions and material used;

b) Self weight;

c) Temperature and humidity conditions during test;

d) Summary and results of test;

e) Downward loading test;

f) Horizontal loading test;

g) Superimposed loading test; and

h) Other information required.

IS 5 3 2 5 : 1 9 8 9

.

L- FIXING METAL PIECE

FIG. 3 HORIZONTAL LOADING TEST

BOX PALLET

CK ABSORBER

FIG. 4 HORIZONTAL LOADING TEST

3

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Revision of Indian Standards

Indian Standards are reviewed periodically and revised, when necessary and amendments, if any, are issued from time to time. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition Comments on this Indian Standard may be sent to BlS giving the following reference:

Dot : No. HMD 11 ( 0887 )

Amendments Issued Since Poblication

Amend No. Date of Issue -

Text Affected

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Printed at Printwell Printers. Delhi, India

AMENDMENT NO. 1 MARCH 2013

TO

IS 5325 : 1989 BOX PALLETS FOR THROUGH TRANSIT OF

GOODS — METHODS OF TEST

(First Revision) (Page 1, clause 3.3) — Insert the following at the end of the clause: ‘This   test   is   also   required   for   stackable   injection   moulded plastic box pallet made  of  HDPE/PP/Structural  foam  HDPE.’ (Page 1, clause 3.4) — Insert the following new clauses after the clause 3.4: ‘3.5 Drop Test of Box Pallet A test for determination of resistance to drop box pallet. 3.6 Environmental Stress Crack Resistance Test of Box Pallet

A test for the strength of injection moulded plastic pallet against determination of environmental stress crack resistance over prolong usages. 3.7 Dimensional Variation Test of Box Pallet A test for the stability against dimensional variation/stability requirement of box pallet.’ (Page 1, clause 5.1.2) — Insert the following at the end of the clause: ‘Apply   an   equally   distributed   load   corresponding   to   1.25   times   the  maximum  payload to the load carrying surface of the injection moulded box pallet made of HDPE/PP/Structural foam HDPE and measure the maximum deflection quantity of the load carrying surface.’

1

Amend No. 1 to IS 5325 : 1989

(Page 2, clause 5.3.3) — Insert the following new clauses after 5.3.3: ‘5.3.4 The comparison in the height of bin when tested shall not exceed 1 percent of its original height.

5.3.5 The specimen should recover by at least 50 percent after 24 h after removing the test load. 5.4 Drop Test

5.4.1 The empty specimen shall be lifted to a height of 4 m.

5.4.2 The empty specimen shall be dropped on base on concrete floor or steel plate.

5.4.3 Examine for any abnormalities/cracks. 5.5 Environmental Stress Crack Resistance Test

5.5.1 1 percent solution of suitable surface active agent at 80 ± 1°C to be prepared in a tank.

5.5.2 The empty specimen shall be submerged in the tank for 6 h.

5.5.3 Specimen shall be examined for any surface cracking. 5.6 Dimensional Variation Test

5.6.1 Note down the overall dimensions of the empty specimen. 5.6.2 Support the empty specimen on its base in air circulation at 80 ± 1°C for 30 min.

5.6.3 While the specimen is still supported on its base, allow it to cool at ambient temperature.

2

Amend No. 1 to IS 5325 : 1989

5.6.4 Calculate the percentage change in the dimension of the specimen, which should  not  exceed  by  ±15  percent  of  the  original  dimensions.’ (Page 2, clause 6.1) — Substitute the following for the existing: ‘6.1 The following shall be written in the test report:

a) Type, class, load, dimensions and material used; b) Self weight; c) Temperature and humidity conditions during test; d) Summary of results of tests:

1) Downward loading test; 2) Horizontal loading test (This test is also applicable for box pallets

fixed, folding/collapsible type box pallets made of HDPE/PP/ Structural foam HDPE by injection moulding process);

3) Superimposed loading/ stackability test; 4) Drop test; 5) Environment stress crack test; and 6) Dimensional variation test

e) Other  information  required.’ (TED 12)

Reprography Unit, BIS, New Delhi, India 3