HHA
Closed Center Power
Operated 3-Jaw Chucks
from LMC Workholding

A family of thirteen power chucks from 21" to 40" in diameter, each providing rigid direct mountings, lubrication to all points, and hardened master jaws and guides. Six different chuck diameters and three mounting sizes insure that the right HHA chuck is available for your turning center.

Model  
HHA
11-21
HHA
11-24
HHA
15-24
HHA
11-28
HHA
15-28
HHA
20-28
Chart
Cont.
Below
  Specification
Stroke of jaw
     (mm in diameter)
12
12
12
17.5
17.5
17.5
Stroke of piston
mm
35
35
35
50
50
50
Chucking diameter

MAX

mm
479.7
548.1
548.1
640
640
640

MIN

mm
71
133.4
133.4
135
135
135
Gripping 
force
KN
196
196
196
245
245
245
kg
20000
20000
20000
25000
25000
25000
Maximum
draw-pull
KN
71.2
71.2
71.2
88.2
88.2
88.2
kg
7267
7267
7267
9000
9000
9000
Max speed
min-1
1250
1100
1100
1075
1075
1075
GD2
N•m2
378.28
617.4
617.4
1572.9
1572.9
1572.9
kg•m2
38.6
63
63
160.5
160.5
160.5
Weight
kg
275
350
350
635
635
635
Applicable cylinder
RCKP
200-35
RCKP
200-35
RCKP
200-35
RCKP
200-35
RCKP
200-50
RCKP
200-50
Model
HHA
11-32
HHA
15-32
HHA
20-32
HHA
15-36
HHA
20-36
HHA
15-40
HHA
20-40
Specification
Stroke of jaw
        (mm in dia)
17.5
17.5
17.5
17.5
17.5
17.5
17.5
Stroke of piston
mm
50
50
50
50
50
50
50
Chucking dia

MAX

mm
731.7
731.7
731.7
820
820
914.4
914.4

MIN

mm
134.6
134.8
134.8
134.8
134.8
134.8
134.8
Gripping 
force
KN
245
245
245
245
245
245
245
kg
25000
25000
25000
25000
25000
25000
25000
Max 
draw-pull
KN
88.2
88.2
88.2
88.2
88.2
88.2
88.2
kg
9000
9000
9000
9000
9000
9000
9000
Max speed
min-1
940
940
940
830
830
750
750
GD2
N•m2
1421
1421
1421
2655.8
2655.8
4272.8
4272.8
kg•m2
145
145
145
271
271
436
436
Weight
kg
440
440
440
650
650
845
845
Applicable cylinder
RCKP
200-50
RCKP
200-50
RCKP
200-50
RCKP
200-50
RCKP
200-50
RCKP
200-50
RCKP
200-50

Model

HHA
11-21
HHA
11-24
HHA
15-24
HHA
11-28
HHA
15-28
HHA
20-28

Chart
cont.
below

Size
A
533
609
609
711
711
711
B
117.5
117.5
161.5
117.5
165.1
231.8
C
A11
A11
A15
A11
A11
A20
D
19.5
19.5
21
19.5
21
23
F
M27 X P3.0
M27 X P3.0
M27 X P3.0
M30 X P3.5
M30 X P3.5
M30 X P3.5
H
160
160
160
200
200
200
J
6-M20
6-M20
6-M22
6-M20
6-M22
6-M24
N
MAX
93
93
93
97
97
97
MIN
87
87
87
88.3
88.3
88.3
P
85.8
85.8
85.8
85.8
85.8
85.8
Q
120
120
120
120
120
120
R
75
75
75
75
75
75
T
6-M16
deep25
9-M16 deep25
9-M16
deep25
9-M16
deep25
9-M16
deep25
9-M16
deep25

Model

HHA
11-32
HHA
15-32
HHA
20-32
HHA
15-36
HHA
20-36
HHA
15-40
HHA
20-40
Size
A
813
813
813
914
914
1016
1016
B
117.5
165.1
231.8
165.1
231.8
165.1
231.8
C
A11
A15
A20
A15
A20
A15
A20
D
19.5
21
23
21
23
21
23
F
M20 X P3.5
M30 X P3.5
M30 X P3.5
M30 X P3.5
M30 X P3.5
M30 X P3.5
M30
 X P3.5
H
200
200
200
200
200
200
200
J
6-M20
6-M22
6-M24
6-M22
6-M24
6-M22
6-M24
N
MAX
97
97
97
97
97
97
97
MIN
88.3
88.3
88.3
88.3
88.3
88.3
88.3
P
85.8
85.8
85.8