DOBOT Accessories | SCHUNK EGK Series Gripper

SCHUNK EGK Series Gripper

The intelligent EGK gripper for small components has impressive process reliability. Its spur gear with pinion/rack principle guarantees a constant gripping force over the entire finger length and allows permanent re-gripping. The integrated gripping force maintenance prevents workpiece losses and holds the finger position even in the event of an emergency stop. The SoftGrip mode also enables fragile workpieces to be gripped securely without impulse forces. This makes it perfect for demanding tasks in the laboratory industry and in the production of electronics.

Product Highlights

Versatile and productive due to the long and freely programmable jaw stroke with stepless gripping force adjustment for flexible workpiece handling
Reliable and sensitive particularly suitable for the requirements of laboratory automation and electronics production due to the sealed design and smooth-running profiled rail guide
Maximum process reliability by avoiding workpiece loss due to integrated gripping force maintenance with loss detection
Always referenced in the event of both emergency stop and power failure due to integrated absolute encoder
100% constant gripping force with no start-up distance over the entire finger length due to integrated spur gear
Plug-and-play integration: The ready-to-use DOBOT+ Plug-in for DobotStudio Pro enables fast deployment with no additional development required

Application

Laboratory automation
Flexible laboratory automation with automated sample evaluation.
The servo-electric gripper handles trays and sample vials. Unscrewing takes place in an unscrewing station while the gripper holds the lid in place. After the lid is opened, the sample vials are fed to the pipetting unit and the sample is taken.

Specifications

Description	Unit	EGK 25-MB-M-B	EGK 40-MB-M-B	EGK 50-MB-M-B
General operating data
Stroke per jaw	[mm]	26.5	41.5	51.5
Min./max. gripping force	[N]	20/50	55/150	150/300
Min./max. gripping force maintenance	[%]	75/90	75/90	75/90
Max. permissible finger length	[mm]	70	100	130
Max. permissible weight per finger	[kg]	0.13	0.3	0.5
Positioning accuracy	[mm]	±0.1	±0.	士0.3
Repeat accuracy (gripping)	[mm]	0.03	0.03	0.03
Repeat accuracy (positioning, unidirectional)	[mm]	0.1	0.2	0.1
Repeat accuracy (positioning, bi-directional)	[mm]	0.15	0.25	0.2
Closing/opening time (positioning, 50% stroke)	[s]	0.37/0.37	0.49/0.49	0.54/0.54
Max. speed (positioning)	[mm/s]	120	115	130
Max. acceleration	[mm/s²]	1300	1000	1000
Weight	[kg]	0.62	1.02	1.63
Min./max. ambient temperature	[°C]	5/55	5/55	5/55
IP protection class, electronics		67	67	67
IP protection class guide/base jaws		20	20	20
Cleanroom class ISO 14644-1:2015		5	5	5
Electrical operating data
Nominal voltage	[V]	24	24	24
Communication interface		Modbus RTU	Modbus RTU	Modbus RTU
Power nominal/max. current consumption	[A]	0.23/0.54	0.25/0.56	0.35/0.96
Logic nominal/max. current consumption	[A]	0.16/0.2	0.16/0.2	0.16/0.2
Options and their characteristics
Weight	[kg]	0.58	0.97	1.59
Power nominal/max. current consumption	[A]	0.23/0.54	0.19/0.38	0.22/0.82

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