electrical • 2-finger parallel gripper • long-stroke gripper 1273 leg 760 electrical •...
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1268
LEG
w w w . s c h u n k . c o m
Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
Size760
Weight9 kg … 11.6 kg
Gripping force1050 N … 1500 N
Stroke per finger281 mm
Workpiece weight15.75 kg … 22.5 kg
Application example
Gripping unit for top loading and palettizing tasks
2-Finger Long-stroke Gripper LEG
Finger change system
Drag chain
ISO flange
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1269w w w . s c h u n k . c o m
LEGElectrical • 2-Finger Parallel Gripper • Long-stroke Gripper
Long-stroke Gripperlight long-stroke gripper for flexible and highly dynamic handling of various components
Field of applicationSuitable for clean environments, very flexible gripping of various geometries and types of components. Due to the servo electric drives, the gripping position and the gripping force can be exactly determined.
Your advantages and benefitsSynchronized but also asynchronous moving of the fingers
Modular drive conceptcompatible to each robot control and open for various motors
Position and moment controlled motion of the grippera great part variety can be covered by different sizes and dimensional stability
Extremely long stroke2 x 0 ... 281 mm
Passive finger change system available (optional)can be used manually or fully automatic, incl. energy feed-through
High moment payloads due to the guidingsuitable for using long gripper fingers
Current robot adaptions availableaccording to ISO 50, 63, 100, 125 and 160
General note to the seriesPrinciple of functionBall screw
Housing materialAluminum alloy, hard-anodized
Base jaw materialAluminum alloy, hard-anodized
Actuationvia various servo-motors
Warranty24 months (details, general terms and conditions and operation manuals can be downloaded under www.schunk.com)
Scope of deliveryCentering sleeves, centering pin, assembly and operating manual with declaration of incorporation.Finger blanks are not included.
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1270
LEG
w w w . s c h u n k . c o m
Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
Sectional diagram
Functional descriptionOne or two servo-motors actuated a bevel gear via a belt drive, and consequently move the base jaw.With two drives every jaw can be moved individually from each other. During the actuation with a servo-motor, a coupling synchronizes the right-to-left and the left-to-right spindle with each other.
Options and special informationLubrication nipple connection for re-lubrication of the spindle and the guidances are located in the base jaws.
Electrical actuationThe gripper can be actuated by motors of the mostly required robot manufacturers, or with other motors. Therefore the gripper can be actuated as the seventh axis by various robot manufacturers and just one user interface for robot and gripper is necessary.
Guidanceprecise gripping due to high-amperage smoothly running guidance
Base jawfor the connection of workpiece-specific gripper fingers
Housingweight-optimized due to FEM and topology examination
Kinematicshigh moment payloads due to the ball screw
Motor installation spacefor various motors
Sensor systemOptional: Sensors for reference run
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1271w w w . s c h u n k . c o m
LEGElectrical • 2-Finger Parallel Gripper • Long-stroke Gripper
AccessoriesCentering sleeves
Inductive proximity switches Sensor cables Sensor Distributor
Accessories from SCHUNK ― the suitable supplement for maximum functionality, reliability and performance of all automation modules.
Gripper padsFinger change system (on request)
Flange Drag chain
iFor the exact size of the required accessories, availability of this size and the designation and ID, please refer to the additional views at the end of the size in question. You will find more detailed information on our accessory range in the “Accessories” catalog section.
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1272
LEG 760
w w w . s c h u n k . c o m
Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
Gripping force asynchronous versionGripping force
Motor torque
Gripping force synchronous versionGripping force
Motor torque
Finger load
Mx max. 75.00 Nm My max. 242.00 Nm Mz max. 149.00 Nm Fz max. 117.0 N
iThe indicated moments and forces are static values, apply per base jaw and may occur simultaneously. My may arise in addition to the moment generated by the gripping force itself. If the max. permitted finger weight is exceeded, it is imperative to throttle the air pressure so that the jaw movement occurs without any hitting or bouncing. Service life may be reduced.
iMotors are not included in the sales price. Integration of further motors on request.
Asynchronous version for 2 motors LEG 760-2-FanucB05 LEG 760-2-BOSCHMSK030B LEG 760-2-KUKAMG8 LEG 760-2-ELAUID 0308012 0308013 0308014 0308015Stroke per finger [mm] 281 281 281 281Minimum/maximum gripping force [N] 300/1500 300/1500 300/1500 300/1500Weight [kg] 10.4 10.8 11.6 10.8Recommended workpiece weight [kg] 22.5 22.5 22.5 22.5Max. permitted finger length [mm] 600 600 600 600Max. permitted weight per finger [kg] 10 10 10 10IP class 41 41 41 41Min./max. ambient temperature [°C] 5/65 5/65 5/65 5/65Repeat accuracy [mm] 0.05 0.05 0.05 0.05Maximum speed [mm/s] 270 600 300 550Maximum acceleration [mm/s²] 1500 1500 1500 1500Power supply [V] 400 400 400 400Nominal current [A] 3.6 1.5 1.4 1.1Max. total current [A] 6 2.8 1.8 1.4
Synchronous version for 1 motor LEG 760-1-FanucB05 LEG 760-1-BOSCHMSK030 LEG 760-1-KUKAMG8 LEG 760-1-ELAUID 0308002 0308003 0308004 0308005Minimum/maximum gripping force [N] 300/1050 300/1050 300/1050 300/1050Weight [kg] 9 9.2 9.6 9.2Recommended workpiece weight [kg] 15.75 15.75 15.75 15.75Max. total current [A] 8 3.8 2.4 1.9
Technical data
OPTIONS and their characteristics
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1273w w w . s c h u n k . c o m
LEG 760Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
Main view
The drawing shows the unit in the basic version, the dimensions do not include the option described below.
1 Gripper connection2 Finger connection
IT Plug connector of the individual motor
Interfering contours motor ELAU SH 055/8009 Interfering contours motor KUKA M6_8_44_45_50
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1274
LEG 760
w w w . s c h u n k . c o m
Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
You can find more detailed information and individual parts of the above-mentioned accessories in the “Accessories” catalog section.
Interfering contours motor Bosch MSK 030 B Interfering contours motor Fanuc B0.5/500iS
Description IDCable chainCable chain LEG 760 0308098
Cable chain
The mounting kit comprises two cable tracks, brackets for grippers and base jaws and fastening screws. Description ID
ISO flangesADF 050 0308090
ISO flange in accordance with DIN ISO 50
Description IDISO flangesADF 063 0308091
ISO flange in accordance with DIN ISO 63
Description IDISO flangesADF 100 0308092
ISO flange in accordance with DIN ISO 100
09_2-Finger-Elektrisch.indd 1274 23.06.2010 14:56:24
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1275w w w . s c h u n k . c o m
LEG 760Electrical • 2-Finger Parallel Gripper • Long-stroke Gripper
You can find more detailed information and individual parts of the above-mentioned accessories in the “Accessories” catalog section.
Description IDISO flangesADF 125 0308093
ISO flange in accordance with DIN ISO 125
Description IDISO flangesADF 160 0308094
ISO flange in accordance with DIN ISO 160
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