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TYPE BRJ |
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Scroll
operated chuck with 2 sets of jaws (Reverse and forward) is
widely used in mass production. |
SALIENT
FEATURES
BODY :
C I BODY CHUCKS : High tensile, wear resistant cast iron
alloyed with Nickle, Chrome and Manganese,
Hardness180-210 Bhn.
SG IRON BODY CHUCKS: 500/7 grade of SG Iron,
Hardness 180-210
Bhn
STEEL BODY: Medium carbon steel of 600 mpa tensile strength
JAWS :
Case hardening steel with tough core, hardness 56-60 Hrc.
PINION :
Case hardening Nickle Chrome alloy steel
hardness 42-50 Hrc.
SCROLL :
Forged high strength wear resistant steel,
Hardness 40 - 45 Hrc. |
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INNOVATIONS |
BODY
:
Knob & Jaw ways Hardened and
ground.
JAWS :
Jaws teeth Precision ground from both sides
SCROLL :
Scroll threads precision ground from both sides.
Hardness 40-45 Hrc.
PARTS :
Interchangeable |
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Nominal
Size
d1 |
d2
H7 |
P.C.D. |
d4 |
t1 |
d4
min |
h1
max |
h2
max |
t |
L |
K |
Size
of sq.key for chuck |
Weight in Kg.
Approx. |
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d3 |
Tol.on
d3 |
3
Jaw |
4
Jaw |
6
Jaw |
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80 |
56 |
67 |
± 0.2 |
M6 |
12 |
15 |
44 |
14 |
3 |
32 |
M6 |
6 |
1.6 |
2 |
_ |
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100 |
70 |
83 |
± 0.25 |
M8 |
16 |
20 |
50 |
18 |
3 |
43 |
M8 |
8 |
3.2 |
3.8 |
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125 |
95 |
108 |
± 0.25 |
M8 |
16 |
32 |
56 |
24 |
4 |
48 |
M8 |
9 |
5 |
5.5 |
_ |
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160 |
125 |
140 |
± 0.3 |
M10 |
20 |
42 |
65 |
33 |
4 |
65 |
M10 |
10 |
8 |
9 |
10 |
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200 |
160 |
176 |
± 0.3 |
M10 |
20 |
55 |
75 |
33 |
5 |
79 |
M10 |
11 |
14 |
17 |
19 |
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250 |
200 |
224 |
± 0.35 |
M12 |
24 |
76 |
85 |
39 |
5 |
97 |
M12 |
12 |
25 |
29 |
32 |
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315 |
260 |
286 |
± 0.4 |
M12 |
32 |
103 |
95 |
46 |
5 |
108 |
M12 |
14 |
42 |
48 |
50 |
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400 |
330 |
362 |
± 0.4 |
M16 |
32 |
136 |
108 |
48 |
5 |
134 |
M16 |
17 |
68 |
84.3 |
87 |
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