SRA
Additional pivoting upper arm for vertical loading ■ Integrated coolant flush ■ Chip guard with coolant nozzles ■ Stroke control unit or proximity switch for end position open ■ proofline® = fully sealed - low maintenance
Self-centering Steady Rests Premium line
Coolant/air flush G 1/8“ at size 2 / G 1/4“ from size 3 Compressed air
Coolant through the center arm (SRA-4 and larger only)
A
Option: Stroke control open / closed on request
Centralized lubrication G 1/8”
O
W 1
W 2
α
Z
β
TOP OBEN
Z 1
R
S
Switch
V
G
C
D
Monitoring of position Steady Rest open
B
Option: Linear diameter measuring system USP 4.0
Drain
Lift thread
M
s
a l e
m a i
SMW-AUTOBLOK
Cylinder port clamp G 1/4“ up to size 3.2 G 3/8“ from size 4
Cylinder port open G 1/4“ up to size 3.2 G 3/8“ from size 4
Drain and compressed air G 1/8“ up to size 3.2 G 1/4“ from size 4
Subject to technical changes. For more detailed information please ask our customer service.
SMW-AUTOBLOK Type Size Centering range with coolant chip guard Max. axial clearing diameter Vertical loading with chip guard Vertical loading without chip guard
SRA 2
SRA 3
SRA 3.1
SRA 4
SRA 5
SRA 6
U 1 U 2 U 3 Z1
20 (8*)
28 (12*)
25 (22*)
30
45
175
80 99 35 41
130 162
150 168
220 253 103 111 603 448 146 240 365 405 125
268 295 121 135 697 510 178 270 400 440 150
460**
466
58 66
68 76
215** 231** 953.5
Z
A B C D
277 195
428 312 115 135 262 295 105
436 320 123 135 262 295 105
715 215 330 680
70 85
E F
170 195
610 / 640
G K
75 35 19 35 82 63 40 54 61 74 14 51 30
175
45 25 47
45 25 47
60 25 52
75 29 62
85 32 90
Width of rollers Diameter of rollers
L
M
O
116
116
155
187
238.5
85 53 54 74
85 53 54 74
91 61 54 82
97 63 54 84
122
P 1 P 2 P 3 P 4
88 54
109 290
R S V
119
124
172
209
18 85 50 10
18 93 50 10
23
23
27
128
160
190 100
58
62
W 1 W 2
11.2
18.3
19.1
22
α β
15° 30°
15° 30°
15° 30°
15° 40°
18° 40°
10° 50°
19.6
38.5
38.5
63.6
78.5
176.7
Piston area***
cm² bar daN mm mm
70
80
80
70
80
75
Operating pressure min. / max. Max. clamping force / roller
450 0.02
1000 0.04 0.007
1000 0.04 0.007
1500 0.05 0.007
2000 0.06 0.01 600
4500 0.06 0.01 560
Centering accuracy within the whole range
0.005
Repeatability accuracy Max. roller surface speed
800
725
725
715 117
m/min
14
56
57
174
436
Weight approx.
kg
* The Steady Rest can be modified to this clamping range (see instruction manual page 24) if the coolant chip guard is not used. ** SRA-6: Loading diameter only under 19° installation. *** Cylinder sizes different from standard available on request.
412 SMW-AUTOBLOK
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