DOBOT Accessories | SCHUNK EZU Series Gripper

SCHUNK EZU Series Gripper

The mechatronic centric gripper EZU is particularly flexible in workpiece handling thanks to the freely programmable jaw stroke. Thanks to its robust, sealed design and expandable gripping force in StronGrip mode, it meets all the requirements of demanding production and assembly processes. Due to its design and sealing concept, it is particularly suitable for the automated loading and unloading of lathes. The EZU can also be used in the automotive industry, for example for handling shafts or gears.

Product Highlights

Flexible workpiece handling: Cylindrical workpieces of different sizes can be handled efficiently thanks to the extensively adjustable, freely programmable jaw stroke
High fault tolerance: The drive train ensures reliable centering of the workpiece and a constantly high gripping force even in the event of horizontal positioning errors of the workpiece or robot
Increased efficiency: No start-up distance is required for gripping, which simplifies handling and speeds up the overall process
High robustness: The sealed design with the proven sliding guide makes the gripper resistant to harsh operating conditions
Particularly reliable: The risk of workpiece loss is minimized thanks to the integrated gripping force maintenance with loss detection
High availability: The integrated absolute encoder ensures permanent referencing, even in the event of an emergency stop or power failure
Plug-and-play integration: The ready-to-use DOBOT+ Plug-in for DobotStudio Pro enables fast deployment with no additional development required.

Application

Machine tending
Flexible, cycle-time optimized loading and unloading of a machine tool. By using two grippers on the robot, the machine tool can be automatically loaded in a way that is optimized in terms of cycle time, meaning that productivity can be increased. Finished part and pre-machined part can be transported in one loading cycle. Due to the large and freely programmable jaw stroke of the gripper, different diameters can be gripped without having to change the gripper.

Specifications

Description	Unit	EZU 30-MB-M-B	EZU 30-MB-N-B	EZU 35-MB-M-B	EZU 35-MB-N-B	EZU 40-MB-M-B	EZU 40-MB-N-B
General operating data
Stroke per jaw	[mm]	30	30	35	35	40	40
Min./max. gripping force	[N]	175/700	175/350	390/1560	390/780	900/3600	900/1800
Min./max. gripping force maintenance	[%]	90/100	-	80/100	-	80/100	-
Max. permissible finger length	[mm]	80	80	125	125	160	160
Max. permissible weight per finger	[kg]	0.4	0.4	0.8	0.8	1.4	1.4
Repeat accuracy (gripping)	[mm]	0.02	0.02	0.02	0.02	0.02	0.02
Repeat accuracy (positioning, unidirectional)	[mm]	0.05	0.05	0.05	0.05	0.05	0.05
Repeat accuracy (positioning, bi-directional)	[mm]	0.15	0.15	0.15	0.15	0.15	0.15
Closing/opening time (positioning, 50% stroke)	[s]	0.6/0.6	0.6/0.6	0.6/0.6	0.6/0.6	1/1	1/1
Max. speed (positioning)	[mm/s]	40	40	40	40	25	25
Max. acceleration	[mm/s²]	250	150	250	250	120	120
Weight	[kg]	2.3	2.3	4.46	4.30	7.43	7.29
Min./max. ambient temperature	[°C]	5/55	5/55	5/55	5/55	5/55	5/55
IP protection class, electronics		67	67	67	67	67	67
IP protection class guide/base jaws		40	40	40	40	40	40
Cleanroom class ISO 14644-1:2015		5	5	5	5	5	5
Electrical operating data
Nominal voltage	[V]	24	24	24	24	24	24
Communication interface		Modbus RTU	Modbus RTU	Modbus RTU	Modbus RTU	Modbus RTU	Modbus RTU
BasicGrip nominal/max. current consumption	[A]	0.28/0.96	0.14/0.67	0.82/1.59	0.37/1.15	0.82/1.99	0.36/1.52
StrongGrip nominal/max. current consumption	[A]	0.7/1.2	-	2.76/3.98	-	2.75/5.29	-
Logic nominal/max. current consumption	[A]	0.16/0.2	0.16/0.2	0.16/0.2	0.16/0.2	0.16/0.2	0.16/0.2
Options and their characteristics
IP protection class guide/base jaws		64	64	64	64	64	64
Stroke per jaw	[mm]	20	20	25	25	30	30
Min./max. gripping force	[N]	210/700	210/350	470/1560	470/780	1080/3600	1080/1800
Weight	[kg]	2.35	2.3	4.53	4.37	7.55	7.41
Cleanroom class ISO 14644-1:2015		4	4	4	4	4	4

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