rotary actuators—pneumatic,
flange mountable Drf
Directconnecttm series
DRF Series
l Rotary Motion Actuator—
Precision End Stop Position
and Zero Backlash
l Adjustable Rotation with a
Maximum of 180° Full Rotation
l Repeatability ±0.02° of Rotation
l Highly Configurable Modular
Automation, Exclusive
DirectConnect Technology
l Multiple Mounting Locations—
Tapped and Through the Flange
on Top and Bottom Surfaces
l Up to 5 Million Cycles in Typical
Application, Up to 10 Million with
Maintenance
l Temperature Operating Range
-35 to 80°C (-30 to 180°F)
l Double Acting Air Cylinder
l System Requires 3 to 7 bar
(40 to 100 psi) Dry Filtered
(40 Micron or Better) Air Supply
l Accessory Equipment Required—
4-Way, 2 Position Pneumatic
Direction Control Valve
No Adaptor
Plates
Required!
Rotary
Positioning
Rotation
up to 180°
ODRF-004
turntable
module
to attach
grippers
DPP-10M-12 parallel gripper,
with OSTW-K-M thermocouple
connector visit omega.com
DLT-10M-E-C-50 linear slide
visit omega.com
DMEX mounting
stanchions,
visit omega.com
DRF-075M-180
Gripper
(sold
separately)
proDuct features
Sensor Mounting Slots
Standard mounting slots for Magneto Resistive
Sensors magnet mounted in piston standard
(sensors sold separately).
Extremely
Rugged Design
Pinion is supported with
upper and lower sealed
ball bearings.
End Stop Deceleration
(-A Option)
Shock absorbers decelerates
load at end of stroke.
Case Hardened
Rack and pinion are
case hardened for wear
and long life.
Black Anodize Body
The body and End Plates are
Black anodized, steel parts are
black oxide.
Rotational Adjustments
All rotational adjustments made
from front face. Adjustments are
locked with set screw on side.
C-15
Flange Mounting
Turntable has
DIRECTCONNECT
mounting pattern
DRF-075M-90-A
shown close
to actual size.
Tapped and Dowel mounting surface
on bottom of body and on turntable.
One Piece Body
One piece lightweight aircraft
quality aluminum body.
Dowel Holes
Slip fit dowel pin holes
in bottom body, and on
turntable.
Piston
Made of Delrin® for
extended life.
Mounting Patterns
mounting information
Rotaries can be mounted and operated in any orientation.
Mounting through bottom flange
clearance holes into tapped holes
in customer application.
DIRECTCONNECT
Mounting: Gripper is
mounted from the under
side of Turntable with
Button Head screws and
slip fit dowels. Turntable
is then mounted to rotary
with one screw through the
center of the pinion and
two slip fit dowel pins.
Directconnect
Mounting
Body mounts with screws
and slip fit dowels from
bottom. Payload is attached
with screw and slip fit dowels.
G
Mounting through top flange
clearance holes into tapped holes
in customer application.
SPECIFICATIONS
PNEUMATIC SPECIFICATIONS
Pressure Operating Range: 3 to 7 bar
(40 to 100 psi)
Cylinder Type: Double acting
Dynamic Seals: Internally lubricated buna-N
Valve Required to Operate: 4-way, 2-position
AIR QUALITY REQUIREMENTS
Air Filtration: 40 micron or better
Air Lubrication: Not necessary*
Air Humidity: Low moisture content (dry)
Top mounting from underside of table
using tapped holes in body top flange.
Temperature Operating Range:
Buna-N Seals (Standard): -35 to 80°C
(-30 to 180°F)
With Shocks: 0 to 66°C (32 to 150°F)
MAINTENANCE SPECIFICATIONS
Expected Life:
Normal Application: 5 million cycles
With Preventative Maintenance:
10+ million cycles*
Field Repairable: Yes
Seal Repair Kits Available: Yes
* Addition of lubrication will greatly increase service life.
C-16
Drf-075m
54 ±0.5
(2.13 ±0.02)
[4.4] THRU
29.4
(1.156)
17.9
(0.705)
1.5000
[38.10]
DOWELS
[M5
(2.69)
19.05
(0.7500)
(1.125)
47.6 (1.875)
54.0 (2.125)
UN IT SHOWN IN 0 POSITIO N
ROTATED FU LLY C W
(1.938)
(1.886)
(1.875)
(0.750)
X 5 DP]
68
28.5
49.2
47.9
47.6
19.1
[M3 X 5 DP]
DO NOT EXCEED DEPT
[3
H7 X 4 DP]
19.05
47.6
(0.7500)
(1.875)
23.8
(0.938)
[M4] THRU TOP FLANGE
[3.3] THRU TOP FLANGE
4X
38.8
(1.529)
33.4
(1.313)
2X
[M5 X 5 DP]
AIR PORTS
[3.3] THRU BOTTOM FLANGE
[M4] THRU BOTTOM FLANGE
47.6
38.1
(1.875)
(1.500)
[M
5 H7 X 5 DP]
H
1 TO 3°
OVERTRAVEL
BOTH ENDS
"A "
"A "
151
(5.93)
M 10 X 1. 0
O DRF-003
SH OW N
44
(1.76)
-A SHOCK ABSO RBER OPTIO N
SHOWN ABOVE
SHOCKS FULLY ACTIVATED ONLY AT
45°, 90°, 135°, AND 180° ROTATIONS
INTERMEDIATE ROTAT ION WILL REDUCE
SHOCK ABSORBER ABILITY AND PAYLOAD
MUST BE REDUCED
HA RD STOP
AD JUST IN G SCREWS
2X 18
(0.7 2)
2X 6
(0.2 5)
C
37
PINIO N
2X 6
(0.2 5)
M AX FOR STANDA RD ROTATION S
(1.53)
VI EW "A-A"
L
UNLESS OTHERWISE NOTED ALL TOLERANCES ARE AS SHOWN BELOW
Dimensions are
symmetrical about
centerline
Third Angle
Projection
Dimensions: mm (inch)
DIRECTCONNECTTM dimensions shown in blue
"T"
"C"
W,J
"M",x
"X"
Loading Capacity Static Dynamic
Maximum Tensile T 44 N (10 lb) 9 N (2 lb)
Maximum Compressive C 89 N (20 lb) 18 N (4 lb)
Maximum Moment Mx 2.3 Nm (20 in-lb) 0.5 Nm (4 in-lb)
Maximum Moment My 2.3 Nm (20 in-lb) 0.5 Nm (4 in-lb)
Maximum Payload W
(with Shocks)
Maximum Inertia J
(with Shocks)
Note: Higher payloads and inertia possible with external shocks and stops.
All Dowel Holes are SF (Slip Fit).
Locational Tolerance
±0.0005" or [±0.013 mm]
"M",y
"Y"
"Z"
0.45 kg (1.0 lb)
1.8 x 10-4 N-m-sec
(
0.0016 in-lb-sec2)
Metric Threads
Course Pitch
Imperial inch
0.00 = ±0.01 0. = ±0.25
0.000 = ±0.005 0.0 = ±0.13
0.0000 = ±0.000 0.00 = ±0.013
Metric mm
SPECIFICATIONS
Maximum Payload with Shocks (-A): 0.45 kg (1 lb)
Maximum Payload without Shocks: 0.23 kg (0.5 lb)
Maximum Payload Inertia with Shocks (-A):
1.8 x 10
Maximum Payload Inertia without Shocks:
9.0 x 10-5 N-m-sec2 (0.0008 in-lb-sec2)
Maximum Torque @ 7 bar (100 psi): 0.9 N-m (8.3 lb-in)
Maximum Rotation: 180°
Pitch Diameter of Pinion: 9.5 mm (0.375")
Weight with Shocks (-A Option): 0.34 kg (0.72 lb)
Weight without Shocks: 0.24 kg (0.54 lb)
Pressure Range: 3 to 7 bar (40 to 100 psi)
Bore: 19.1 mm (0.750")
Displacement (180°): 5.1 cm
Actuation Time [180° @ 7 bar (100 psi)]: 0.38 sec (0.38 sec)
Actuation Time [90° @ 7 bar (100 psi)]: 0.29 sec (0.29 sec)
Over Travel (Each End): 1 to 3°
Temperature Range without Shocks: -35 to 82°C (-30 to 180°F)
2
Temperature Range with Shocks (-A): 0 to 66°C (32 to 150°F)
End Stop Adjustability (Each End): 23°
Repeatability: ±0.02°
Valve Required to Actuate: 4-way, 2-position
-4
N-m-sec2 (0.0016 in-lb-sec2)
3
(0.31 in3)
C-17