IS 12536 (1989): Small Tools - Disc Type Gear Shaper Cutters · Disc Type Gear Shaper Cutter shaper...
12
Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. इंटरनेट मानक “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” “प0रा1 को छोड न’ 5 तरफ” Jawaharlal Nehru “Step Out From the Old to the New” “जान1 का अ+धकार, जी1 का अ+धकार” Mazdoor Kisan Shakti Sangathan “The Right to Information, The Right to Live” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 12536 (1989): Small Tools - Disc Type Gear Shaper Cutters [PGD 32: Cutting tools]
Transcript of IS 12536 (1989): Small Tools - Disc Type Gear Shaper Cutters · Disc Type Gear Shaper Cutter shaper...
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.
इंटरनेट मानक
“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda
“Invent a New India Using Knowledge”
“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru
“Step Out From the Old to the New”
“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan
“The Right to Information, The Right to Live”
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
“Invent a New India Using Knowledge”
है”ह”ह
IS 12536 (1989): Small Tools - Disc Type Gear ShaperCutters [PGD 32: Cutting tools]
IS 12536 :1989
-\ I
.’
Indian Standard
SMALL TOOLS - DISC TYPE GEAR SHAPER CUTTERS - SPECIFICATION
UDCI 621.914.2 : 621.833
UlJHliAU OF INDIAN STANDARDS MANAK IltfAVAN. ‘1 IIAIIAI)lJR SHAH ZAYAK MARC:
NMW I)M.HI 110002
Price Group 3
Small Tools Sectional Committee, EDC 45
FOREWORD
This Indian Standard was adopted by the Bureau of Indian Standards on 13 February 1989, after the draft finalized by the Small Tools Sectional Committee had been approved by the Mechanical Engineer- ing Division Council.
In the preparation of this standard, considerable assistance has been derived from DIN 1825 : 1977 ‘Pinion type cutters for cylindrical gears; disc gear cutters for spur gears’, issued by the Deutsches Institut fur Normung ( DIN ).
: .
SMALL TOOLS - DISC TYPE GEAR SHAPER CUTTERS ‘- SPECIFICATION
1 SCOPE
1.1 This standard covers the dimensions and other requirements of disc type gear shaper cutters suitable for module 1 to 12, conforming to IS 2535 : 1978 ‘Basic rack and modules of cylindrical gears for general engineering and heavy engineering ( second revision )‘.
2 REFERENCES
IS Jvo.
IS 2102 ( Part 1 ) : 1980
IS 7291 : 1981
IS 7778 : 1975
IS 8731 : 1978
disc type gear shaper cutter in Tables 1 to 5, read with
3 DIMENSIONS
3.1 Dimensions of shall be as given Fig. 1.
3.2 Tolerances
3.2.1 Glass of accuracy and tolerance of cutters shall be according to ‘Indian Standard Gear shaper cutter - Class of accuracy and tolerance ( under pre$oration )‘.
frille
General tolerances for dimensions and form and position: Part 1 General tolerances for linear and angular dimensions (second revision )
Specification for high speed tool steel ( JisJl revision )
M&z;rods for sampling small
Technical supply conditions for general purpose gear hobs
NOkE - Till such time the standard under prepara- tion is published, the requirement shall be as agreed to between the purchaser and the supplier.
3.2.2 For dimensions where tolerance has not been specified, tolerance of medium series of IS 2102 ( Part 1 ) : 1980 shall apply.
4 MATERIAL
4.1 Gear shaper cutter shall be of high speed tool steel af designation XT 91 W6 CoMo5Cr4V2 in accordance with IS 7291 : 1981 or equivalent, as agreed to between the manufacturer and the user.
5 HARDNESS
3.1 Depending upon the choice of the high speed steel, hardness shall be between 820 to 900 HV measured on a flat surface.
6 GENERAL REQUIREMENTS
6.1 All sharp corners except cutting edges shall be removed.
6.2 Profile of gear shaper cutter shall be accord- ing to ‘Indian Stardard Reference profile for gear cutting tools for involute teeth according to IS 2535 : 1978 ( under @@rution )‘.
NOTE - Till such time the standard on profile of ;zzr;~ cutters is published, IS 8731 : 1978 shall be
6.3 For the requirements not covered under this standard, reference shall be made to Indian Standard Gear shaper cutter - Technical supply conditions ( under preparation )‘.
NOTE - Till such time the standard under prepara- tion irpublished, the requirement shall be as agreed to between the purchaser and the supplier.
Fro. 1 DIMENSIONS FOR DISC TYPE GEAR SHAPER CUTTER
1
“-1
.
‘Ma a2596 t 19s9
Table 1 General Plan for Dim Tgpa Gear Shaper Cutter ( Clause 3 and Fig. 1 )
I- m
._ I
All dimensions in mil/limetrer.
-1 Nomlnd Dlamcta ( & pitch Circle Dlamcter, do )
75 I
100 I 125 160
Numbqr of teeth, a~
I
-
76 100 1
l-125
1’25
1’375
124 -
112
100 -
92
84
72
64 76
56 68
50 60
46 54
42 50
36 44
32 38
28 34
26 30
2i 28
22 26
-- 18 22
16 20
15 18
14 16
15
14
44’450 70’000
4 I 5
66 _ 88
61 80
72
68
58
54
51
43
38
34
1’5
1’75
50 2
2’25
2’5 -
2’75
- 45
40
36
33
30
28
25
22 29
19 25
22
20
17
16 5
5’5 18
6 17
7
8
15
14
9
10
11
12
Bore diameter da
-
31’745
Table 2 -1
2
7 PROTECTIVE COATING 10 MARKING
Each gear shaper cutter shall be covered by a Gear shaper cutter shall be marked with the suitable rust proofing material and then wrapped following information: in non-absorbent paper. a) Designation
8 SAMPLING b) $&xhde
The sampling and criteria of acceptance shall be c) Pressure angle .
in accordance with IS 777% : 1975. d) Number of teeth e) Reference profile
9 DESIGNATION f ) Working depth
A disc type spur gear shaper cutter with module g) Name or trade mark of manufacturer
2.5 mm, nominal pitch diameter 100 mm, bore- 11 PACKING AND PACKAGING hole 44 mm, Class of accuracy ‘A’ and reference profile RPI shall be designated as: Each gear shaper cutter or a number of gear
Disc Type Gear Shaper Cutter shaper cutters of same type shall be packed in a
2.5 x 100 x 44 x A - RPI - IS : 12536 carton’ bearing the size, number, designation, manufacturer’s name and trade mark.
T Table 2 Dimensions for Disc Type Gear Shaper Cutter, Nominal Diameter 75
( CInwc 3 and Fig. 1 )
All dimensions in millimetrea. -
_ .
-_
-.
-
_ _
- .
-0
_
-
2” br 4 da Min
--- 70
8 50 68
I I
-
.-
. _
--
65
8 68 50
65 ----
8 65 50
--- 50
65 - 9
45 62
---
ba M/II
6
8
10
12
13
14
16
18 9 62 45
15 8
m sg do
0.5 152 ---
0’75 100
I 1 76 I-
1’125 66 I-
1.25 1 61
1’375 1 54
1’5 I 51 I-
1’75 43 I-
2 I 38
2.25 34 I-
2’5 I 30 I-
2’75 1 28
3 25
3’5 22
4 19
4’5 17
5 16
76
75
76
7425
76.25
74’25
76.5
75.25
76
76’5
75
77
75
77
76
76’5
80
.
3 1’745
10
16 12
16 14
15
18 17
-_-
18
19 20
22 21
24 23
-- -- 60
10 58 45 -___
62
3
18 12536 I 1989
Table 3 Dimensions for Disc Type Gear Shaper Gutter, Nominal Di+maeter 100
( Clause Sjand Fig. 1 ) \ .
All dimensions in millimetres.
- -
_
_
-_
--
-_
. -
_-
-
-
-
bs b4 Mln Mill
._ 10
9 12
_. 13
9 14
. _.
16 9
.
18 10
-
18 10
_ . 10
18 11
--
11 18 -
12
-
-_
-_
- _
-.
-_
_-
i m 4 4 20 do
100
88
80
72
68
58
50
45
40
36
33
29
25
22
20
18
17
1.5
14
--
100
99
100
99
102
101’5
100
101.25
100
99
101’5
100
99
100
99
102
105
112
bl Mill 3,
12
14
15
17
19
-I-
31’745
44?50
I 1 1 1’125 16 90 70
) 1.25 --
/ 1’375 16
18
20
90 70 1’5
’ i 1.75
--
90
70 I 2
-_
- .
- _
_ .
2’25
85
--
85 65
--
85 65 --
82 60
80 --
\82
78 60
2’5
1 2’75 24 23
j 3
3.5
I 4 24 23
24
21
4’5
5
1 5’5 23
23
6
7 --
8
82 --
82
60 85
4
IS 12536 t 1989 I
’ Table 4 Dimensions for Disc Type Gear Shaper Cutter, Nominal Diameter 125
( Clam 3 and Fig. 1 )
All dimensions in millime es.
3”
10
10
10
\
1 (
10
11
12
12
-
_
..-
-
.-
.-
-
-
115
115
115
ds
90
90
90
90
85
85
80
80
75
75
70
4&450
4 Mln
20
br Min
12
14
Mbl” 10
12
m zo do
I
1.125
1’25
1’375
1’5
1’75
2
2’25
2’5
2.75
3
3.5 --
4 ~~~~__
4’5
5
5.5
6
7
8 --
9
10
. .
_ -
_ -
_-
. -
_-
. _
--
. _
-_
- _
_ .
. _
- .
124
112
100
92
84
72
64
56
50 --
46
42
36
32
28
26
24
+-G- --
18
16
15
14
124
126 -_
125
128.5
126
128
126
125
126’5
126
128
126
_
_ .
_.
. -
_
_.
-
15 13
20
22
24
16 14
20 16
22
23
18
23 18
110
24 110
110 --
105
110
110
100
100
23 18
25
25 20
____-
30 20
24
140 I 105
IS 12536 : 1969
Table 5 Dimenmion~ for Disc Type Gear Shaper Cat&r, Nominal Diameter 169
( Clause 3 and Fig. 1 )
All din?ensions in drillimetrcs. -
-
--
--
- _
-_
- _
- .
be Min
br Milt I% do I 4
Mln 4 4
--
140
m
2
2’25
2’5 --
2’75
3
3’5
4
4’5
5 --
, 5.5
6 --
7
8
Y
10
11
12
76 ’
68
152
153
150
148’5
150
154
152
153
150
154 -I-
156
154
160
22
23
25
18 12 24
26
60
54
50
44
38
‘_
-
_
-_
-
135
18
-_c
a0
20
22
22
22
24
12
12
13
34
70’600 30
28
26
22
20
28 100 27
29
31
31 _-
33
130
125
30
30
32
13
14
14
15
95
95
130
125
.-- 18 162
--
16 160 --
15 165 --
14 168
32
130 34
6
Standard Mark
The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made thereunder. The Standard Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well defined system of inspection, trsting and quality control which is devised and supervised by BIS and operated by the producer. Standard marked products are also continuously checked by BIS for conformity to that standard a$ a further safeguard. Details of condilions under which a liccnce for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.
