IS 12192: Earth-Moving Machinery - Hydraulic Excavators - Hoe Type Buckets - Volumetric Ratings

12 Pages·1993·1.1 MB·English

by  Bureau of Indian Standards

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timely dissemination of this information in an accurate manner to the public.
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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 12192 (1993): Earth-Moving Machinery - Hydraulic
Excavators - Hoe Type Buckets - Volumetric Ratings [MED 7:
Material Handling Systems and Equipment]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
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“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

SI 12192 : 1993
IS0 7451 : 1993

GNIVOM-HTRAE YRENIHCAM - CILUARDYH
SROTAVACXE - EOH EPYT BUCKETS -
VOLUMETRIC SGNITAR
( First Revision ,I
UDC 621’879’3

@ BIS 1993
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR lMARG
NEW DELHI 110002
October 1993 Price Group 3
kluB gnildnaH smetsyS dna tnempiuqE lanoitceS Committee, DMH 7
.
LANOITAN FOREWORD
sihT naidnI dradnatS hcihw si lacitnedi htiw 0SI 1547 : 3891 gnivom-htraE‘ yrenihcam -
ciluardyH srotavacxe - eoH epyt stekcub - cirtemuloV ’sgnitar deussi yb eht lanoitanretnI
noitazinagrO rof noitazidradnatS ( 0SI ) saw detpoda yb eht uaeruB fo naidnI sdradnatS no eht
snoitadnemmocer fo eht kluB gnildnaH smetsyS dna tnempiuqE lanoitceS Committee dna lavorppa
fo eht yvaeH lacinahceM gnireenignE noisiviD .licnuoC
sihT dradnats saw tsrif dehsilbup ni .7891 0SI 1547 : 3891 sah neeb detpoda gnirud siht
.noisiver
ehT txet fo 0SI dradnats sah neeb devorppa rof noitacilbup sa naidnI dradnatS tuohtiw
.snoitaived niatreC ygolonimret dna snoitnevnoc era revewoh ton lacitnedi ot esoht desu ni
naidnI .sdradnatS noitnettA si ylralucitrap nward ot eht :gniwollof
a) Wherever eht sdrow lanoitanretnI‘ ,raeppa’dradnatS gnirrefer ot siht ,dradnats yeht dluohs
eb daer sa naidnI‘ .’dradnatS
b) Comma ( , ) sah neeb desu sa a lamiced marker elihw ni naidnI ,sdradnatS eht tnerruc
ecitcarp si ot esu a tniop ( . ) sa a lamiced marker.
nI siht detpoda ,dradnats ecnerefer sraeppa ot niatrec lanoitanretnI sdradnatS rof hcihw naidnI
sdradnatS osla .tsixe ehT gnidnopserroc naidnI sdradnatS hcihw era ot eb detutitsbus ni rieht
ecalp era detsil woleb gnola htiw rieht eerged fo ecnelaviuqe rof eht snoitide :detacidni
International Corresponding hdian Standard Degree of
Standard Equivalence
0SI 7546 SI 12206 : 3991 htraE gnivom yrenihcam - lacitnedI
redaoL dna tnorf gnidaol rotavacxe stekcub -
cirtemuloV sgnitar ( first revision >
ehT denrecnoc lacinhcet committee sah deweiver eht snoisivorp fo 0SI 5317 gnivom-htraE‘
yrenihcam - ciluardyH srotavacxe - ’ygolonimreT derrefer ni siht detpoda dradnats dna sah
dediced taht ti si elbatpecca rof esu ni noitcnujnoc htiw siht .dradnats
nI gnitroper eht stluser fo a tset or sisylana made ni ecnadrocca htiw siht ,dradnats fi eht lanif
,eulav devresbo or ,detaluclac si ot eb dednuor ,ffo ti llahs eb enod ni ecnadrocca htiw
SI 2 : 0691 seluR‘ rof gnidnuor ffo laciremun seulav ( revised )‘.
IS 12192 : 1993
ISO 7451 : 1983
Indian Standard
GNIVOM-HTRAE YRENIHCAM - CILUARDYH
SROTAVACXE - EOH EPYT BUCKETS -
VOLUMETRIC SGNITAR
( First Revision )
1 Scope and field of application 4 Definitions and symbols
1 .l This International Standard specifies a procedure for ap- 4.1 bucket component : See figure 2 and IS0 7% and
proximating the volume of typical materials contained in the 7546.
hoe type buckets of excavators as defined in IS0 7135. The
volume ratings are based on the inside dimensions of the
4.2 The X dimension in figures 3 and 4 is the dimension of
bucket and representative volumes on top of the bucket.
the bucket opening between the cutting edge and the back
sheet. The Y dimension is the vertical distance between the tip
1.2 The method employs the technique of dividing the com- of the cutting edge and the depth of the contour of the side
plex shape of the material in the bucket into simple geometric sheet.
forms.
4.3 strike plane : A horizontal plane across the width’of the
NOTE - These volumes of different bucket configurations may ba
bucket from the cutting edge to the back sheet. (See figure 3.)
calculated by the use of any combination of analytical, graphical or
The strike plane is used when the ratio of X/Y is 12 or greater.
measuring techniques.
1.3 The rating method is intended to provide a consistent 5.4 strike surface : The cylindrical contour defined by lines
lying across upper edges of the side sheets and parallel to the
means of comparing bucket capacities. It is not intended to
cutting edge shown in figure 4. The strike surface is used when
define actual capacities that might be observed in any specific
the ratio of X/Y is less than 12.
application.
4.5 W is the average value of the interior width and is shown
1.4 This International Standard applies to buckets for hoe
in figures 3 and 4 at approximately 2/3 the height for a tapered
type excavators and excludes buckets for cable operated ex-
bucket.
cavators.
$6 struck volume, Vs : The volume which lies beneath the

2 References strike plane in figure 3 and the strike surface in figure 4.

IS0 7135, Earth-moving machinery - Hydraulic excavator - .7 top volume, VT : The volume at a 1:l slope which lies
Terminology. 2
on top of the strike plane in figure 5 and the strike surface in
figure 6.
IS0 7546, Earth-moving machinery - Volumetric ratings of
loader and front loading excavator buckets.1)
,/4.8 rated bucket volume, V, : Rated bucket capacity. This
capacity is calculated by adding the struck and top volumes :
3 Restrictions and limitations ,v = ,v + ,v
3.1 The effect on volumes of local discontinuities such as
bucket teeth, tooth adapters, extensions of side sheets, exten- 5 Volumetric ratings of hoe type buckets
sions of back sheets or cutting edges, chamfers, holes or
gussets shall be ignored. 5.1 Boundaries of struck volume, V,, when X/Y is 12 or
greater (see figure 3).
3.2 The bucket volume shall be positioned so that the plane
defined by the top of the cutting edge and top of the back sheet 5.1.1 The points of intersection of the cutting edge and the
is horizontal. side sheets.
1) At present at the stage of draft.
IS 12192 : 1993
IS0 7451 : 1963
5.1.2 The points of intersection of the top edge of the side 5.2.5 The strike surface is defined by lines lying across the up-
sheets and the interior surface of the back sheet. per edges of the side sheets and parallel to cutting edge line.
5.3 Boundaries of the top (heaped) volume, VT
5.1.3 The interior surface (and/or projections) of the side
sheets.
5.3.1 The volume of 1:l slope of material that can be held on
the strike plane of the struck volume in figure 3 is shown in
5.1.4 The interior surface (and/or projections) of the bottom figure 5.
and back sheets that follow the contour of the bottom edges of
the side sheets.
5.3.2 The volume of 1:ls lope of material that can be held on
the strike surface of the struck volume in figure 4 is shown in
5.1.5 The strike plane passes through a line at the top of the figure 6.
cutting edge in the front and a parallel line formed by the top of
the back sheet at the rear.
6 Expression of volumetric ratings
5.2 Boundaries of the struck volume, V,, when X/Y is 6.1 The volumetric rating of a bucket, is the summation of
less than 12 (see figure 4). the struck volume plus the top volume ( ,V = ,V + .)TV It shall
be expressed in cubic metres and published as the rated IS0
capacity as shown in the table.
5.2.1 The points of intersection of the cutting edge and the
side sheets.
6.2 If the determined capacities as shown in Table fall below
a given rating interval by more than 2 %, the next lower interval
5.2.2 The points of intersection of the top edges of the side shall be the rating.
sheets and the interior surface of the back sheet.
Table - Rated IS0 capacity
5.2.3 The interior surface (and/or projection) of the side Values in cubic metres
sheets.
5.2.4 The interior su.rface (and/or projections) of the bottom
and back sheets that follow the contour of the bottom edges of
the side sheets.
SI :
12192 1993
:
IS0 7451 1983
Bucket
Figure 1 - Hoe type excavator
--./
teehskcaB

epyt
Figure 2 - Bucket - Hoe
3
--
IS 12192 : 1993
IS0 7451 : 1983
.
W
I I
5.1
-5.1 .I-
)
4
Figure 3 - Boundaries of struck volume equal to or greater than 12
>
y-----5.2.-1

4
-
Figure 4 - Boundaries of struck volume less than 12
>
IS 12192 : 1993
IS0 7451 : 1983
equal to or greater than 12
Figure 5 - Boundaries of the top (heaped) volume >

5.1.'
5.1.2
Figure 6 - Boundaries of the top (heaped) volume less than 12
>

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