The new Powergrip Series - with large through-hole and high clamping force

Available in sizes 6˝, 8˝, 10˝

POWERGRIP – following the principles of the legendary RÖHM products KFD‑HE power chuck and SZS clamping cylinder.

Many have learned from our power chucks and cylinders. Worldwide. Now, RÖHM presents the low-cost POWERGRIP series, which has its roots in the KFD-HE power chuck and the SZS clamping cylinder. High speeds, a large through-hole, as well as high clamping force
distinguish the POWERGRIP series. Therefore, we named them after what they can do: POWERGRIP. 

Your benefits

Harmonised Technology: Advantages of both products combined in one system.

German Technology: Proven functional principle with a wedge hook system.

Decades of Experience: RÖHM has been a specialist in power clamping technology since 1909.

Standardised Connection Dimensions: Connection possible via short tapers or centring mount.

Technical Features: 

  • Large through-hole, ideal for bar machining.
  • High speed covers broad range of applications.
  • High clamping force for secure machining.

Constructive features & advantages:

Powergrip power chuck

  1. Large through-hole. Optionally with chuck cover for sealing the through-hole. 
  2. Standardised connection possible via short tapers or centring mount.
  3. Soft top jaws included with delivery.
  4. Center sleeve prevents chips from penetration into the interior of the chuck.

Technical data power chuck

3--jaw PG power chuck, cylindrical centring mount including short taper adapter, 1.5 x 60° serration

Size   PG 6 PG 8 PG 10
ID number   184766 184767 184768
A mm 170 210 254
B (stroke) mm 3,2 4,3 5,1
C mm 90,6 103,2 112,8
D (short taper)   5 6 8
E mm 15 16 18
F mm 104,8 133,4 171,4
G mm 6xM10 6xM12 6xM16
H mm 15 18 24
K (stroke) mm 14 16 19
L mm 3,5 3,4 3,5
M mm 43 52 75
N mm 57 66 94
O min. mm 13 17,5 8,5
O max. mm 27 33,5 27,5
P mm 19 20,5 27
Q mm M53x2 M60x2 M85x2
T mm 96,6 109,3 118,85
U mm M10 M12 M12
V mm 74 92 125
X mm 3 3 3
a min. mm 34,8 37,7 50,9
a max. mm 38 42 56
b min. mm 4,5 7 8
c mm 20 25 30
d mm 47 63 71
e mm 32 40 50
f mm 12 14 16
Max. operation force kN 25 40 60
Max. total clamping force kN 75 110 160
Max. speed rpm 6000 5000 4500
Moment of inertia kgm² 0,053 0,14 0,323
Weight without top jaws kg 13,5 23,2 35,3
Connection coolant   G1 G1 G1

Constructive features & advantages:

Powergrip cylinder

  1. Low rotating mass due to compact construction for lowest possible spindle load.
  2. Large bar through-hole for flexible use.
  3. Assurance of operating safety via the safety device.
  4. Low oil leakage design.

Technical data cylinder

Hydraulic PGC through-hole cylinder with cylindrical centring mount

Size   PGC 6 PGC 8 PGC 10
ID number   443552 443553 443554
Piston area A cm² 109,8 142,4 184
Piston area B cm² 102,5 131,2 170
Max. speed rpm 7000 6300 5000
Weight kg 14,9 16,5 25
A mm 165 187 215
B mm 87 78 88
D (stroke) mm 20 25 30
E mm 100 130 160
F1 mm 130 170 190
G1 mm M10 M10 M10
H1 mm 18 20 20
F2 mm 147 170 195
G2 mm M8 M8 M10
H2 mm 12 15 16
J mm 61 70 95
K mm 15 20 25
L mm M55x2 M60x2 M85x2
M mm 50 55 80
N mm 30 30 35
O mm 15 15 15
P mm 146,5 137,5 158
R mm 257 248 289
S mm 5 5 8
T mm 151,5 142,5 162,75
X mm 122 122 145
Z mm 220,5 211,5 246
Max. hydr. pressure bar 45 45 45
Min. hydr. pressure bar 8 8 8
Max. leakage oil l/min 3 3,5 4,5
Hydraulic connection   G3/8 G3/8 G3/8
Connection leakage oil   G1 G1 G1
Connection coolant   G1 G1 G1

Jaws and accessories

Soft top jaws, set of 3 jaws

Suitable for power chuck PG 6 PG 8 PG 10
RÖHM ID number 1339943 1339944 1339945
Length 72 95 110
Width 31 37 44
Height 31.5 37.5 44.5

More accessories

Suitable for power chuck PG 6 PG 8 PG 10
T-nuts, 1 set (3 pieces) 1339948 1339949 1339950
Center sleeve 1339951 1339952 1339953
Chuck cover 1339954 1339955 1339956
Cylinder sealing set 1339957 1339958 1339959

Download

Flyer | The new POWERGRIP SERIES