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ELG 30-XXX-2-ASY Illustration similar

ELG 30-XXX-2-ASY

Customized and configurable long-stroke gripper
Customized and configurable long-stroke gripper ELG, Size: 30, electrical, Asynchronous version

  • Stroke per jaw: 400 mm
  • Min. gripping force: 3000 N
  • Max. gripping force: 3000 N
  • Max. ambient temperature: 55 °C
Finger version long
Synchronization Asynchronous
Min. stroke per jaw [mm] 100
Max. stroke per jaw [mm] 400
Gripping force [N] 3000
Min. gripping force maintenance*** [%] 80
Weight* [kg] 20
Additional mass per 1 mm stroke** [kg] 0.04
Closing time [s] 0.79
Opening time [s] 0.79
Max. permissible speed (positioning) [mm/s] 200
Max. permissible speed (gripping) [mm/s] 10
Recommended workpiece weight [kg] 15
Repeat accuracy (positioning, unidirectional) [mm] 0.1
Max. permissible finger length [mm] 800
Max. permissible weight per finger [kg] 18
Min. ambient temperature [°C] 5
Max. ambient temperature [°C] 55
IP protection class 20
Protection class IP with bellow 44
Standstill torque (shaft diameter 9 mm) [Nm] 0.66
Standstill torque (shaft diameter 11/14 mm) [Nm] 0.81
Standstill torque (shaft diameter 19 mm) [Nm] 0.99
Standstill torque (shaft diameter 24 mm) [Nm] 1.32
Max. drive speed (shaft diameter 9 mm) [1/min] 4500
Max. drive speed (shaft diameter 11/14 mm) [1/min] 3800
Max. drive speed (shaft diameter 19 mm) [1/min] 3000
Max. drive speed (shaft diameter 24 mm) [1/min] 2300
Moment Mx max. [Nm] 210
Moment My max. [Nm] 850
Moment Mz max. [Nm] 210
Max. axial force Fz max. [N] 3500
You will find the complete or supplementary technical data for all combination options in the PDF datasheet following your individual configuration.
*related to the basic variant shown with 100 mm stroke per jaw without additional options
**refers to the basic variant without additional options
***referring to the use of motors with motor brake and/or when using the option position clamping

General notes about the series

Gripping force
when the arithmetic sum of the individual force applied to each jaw at distance P (see illustration) on standstill torque of the motor.

Standstill torque
required standstill torque of the motor to achieve the specified gripping force depending on the motor shaft diameter. This torque must not be exceeded. The required standstill torque for the asynchronous version is halved.

Finger length
is measured from the reference surface as the distance P in direction to the main axis.

Gripping force maintenance device
A gripping force of at least 80% of the originally applied gripping force can be reliably maintained in the event of an emergency stop situation or a voltage drop due to an electric holding brake (using motors with motor brake and/or utilizing the position clamping option).

Repeat accuracy (positioning, unidirectional)
defined as the spread of the actual position of the base jaws after 100 consecutive movements to a target position from the same direction under constant conditions.

Closing and opening times
When gripping, the speed must be adapted as described in the operating manual so that the closing and opening times can increase. The times specified are only the movement times of the base jaws at max. speed, max. acceleration without electrical restrictions, and observance of the maximum permissible masses per finger.

How to get to the online configurator
The configurator can be accessed via the SCHUNK website or via https://schunk.com/us/en/konfigurator-elg available directly.

Operating principle
Spindle drive

Housing material
Aluminum

Base jaw material
Aluminum

Actuation
electrically via an adaptable servo drive

Warranty
12 months

Scope of delivery
Centering sleeves for finger mounting, mounting material for gripper mounting for variants with AKO EN ISO..., assembly instructions (operating manual with declaration of incorporation available online).