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Afag DG 20 Maintenance Instructions Manual

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These Montage Instructions apply to:
Rotary gripper
DG 20
 Declaration of Incorporation
 Module Information
 Montage Instructions
 Maintenance Instructions
„Translation" of the Original Montage Instructions
© Copyright by Afag Automation AG

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Summary of Contents for Afag DG 20

  • Page 1 Rotary gripper DG 20  Declaration of Incorporation  Module Information  Montage Instructions  Maintenance Instructions „Translation“ of the Original Montage Instructions © Copyright by Afag Automation AG These Montage Instructions apply to:...
  • Page 2 Non-compliance with this information can result in damage to proper- ty or light to medium personal injuries. NOTE Indicates general notes, useful operator tips and operating recom- mendations which don't affect safety and health of the personnel. DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 3: Table Of Contents

    3.1.7 Perferred combinations of the DG 20 ............20 3.1.8 Loads on the gripper fingers ................. 21 3.1.9 Adjustment of the DG 20 rotary grippers ............21 3.2.0 Installation of the sensors ................22 3.2.1 Preparation for start-up ................. 23 3.2.2 Adjustment, retrofitting ..................
  • Page 4 4.1.4 Accessories ....................30 4.1.5 Disassembly and repair ................. 33 4.1.6 Disposal ......................34 DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 5: Ec Declaration For Incorporation (Document Original)

    EC directive: 2006/42/EC Norme: EN ISO 12100:2010 (German Version) Agent: For the compilation of the technically relevant documents: Niklaus Röthlisberger, Producte Manager Afag Automation AG, CH-4950 Huttwil Place, Date: Huttwil, 12.07.2019 Siegfried Egli Niklaus Röthlisberger Managing Director Product Manager HT...

  • Page 6: Module Information

    It is fitted with a parallel gripping head. The rotary gripper can be mounted vertically and horizontally. The DG 20 rotary gripper consists of the rotary drive and the rotating pliers head. The angle of rotation is 180°. An intermediate stop can be ordered as option which limits the angle of rotation to 90°.

  • Page 7: Installation, Connections

    NOTE Please note: Modifications on the DG 20 rotary gripper that are not described in these Montage Instructions or have not been approved in writing by Afag Automation AG are not permitted. In case of improper changes or assembly, installation, operation, maintenance or repairs, Afag Automation AG rejects all liability.

  • Page 8: Installation And Fastening Possibilities

    2.1.4 Installation and fastening possibilities The DG 20 rotary grippers can be installed in a vertical and horizontal position. The Afag module components are provided with a precise module centring which guarantees a high and repetitive accuracy of fit during installation, operation and ex- change of a module.

  • Page 9: Tightening Moments For Screws

    Pneumatic diagram DG 20. The pneumatic connections (total of 16 x M3) are fitted on four sides of the base body of the DG 20 rotary gripper. The 4 air connections (M3) at the rear of the DG 20 rotary gripper are normally open. Close air connections which are not used air-tight before installing the module in a system.
  • Page 10 1 Rotary gripper 2 Maintenance unit 2 Directional valve 4/2 P Compressed air connection Figure 2: Pneumatic plan Figure 3: Pneumatic connections with corresponding movements DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 11: Manufacture Of Gripper Fingers

    The gripper fingers must be designed and manufactured for the parts to be gripped. The design of the gripper fingers is in most cases symmetric. Observe the maximum permissible loads on the fingers, see chapter Technical Data. max. Fingers length 60 mm. DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 12 Mounting to the turrent You have the option of centering the mounting holes (eg to attach retainer) for the end stop 90° DG 20 (on the rotating head on both sides) separate institutions. Fastening on both sides of the rotary head...

  • Page 13: End Stop 90

    2.1.8 End stop 90° A fixed end stop can be mounted as option on the DG 20 rotary gripper so that the rotary gripping pliers can move at an angle of 90° to the end stop from both sides. The approach is not dampened (fine adjustment must be carried out via the air choke).The rotary angle is set with a tolerance of +/-5°...
  • Page 14 Rotary gripper DG 20 Option: Rotary gripper DG 20 Zero position at 90° on request Standard version Without fixed stop Order no: 50452096 Order no: 50432971 DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 15: Montage Instructions

    EC directive: 2006/42/EC Standard: EN ISO 12100:2010 (German version) Agent: For the compilation of the technically relevant documents: Niklaus Röthlisberger, Product Manager HT Afag Automation AG, CH-4950 Huttwil DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 16: Included In The Scope Of Delivery

    Table 1: Scope of delivery 3.1.2 Intended use The DG 20 rotary gripper is used for the smooth rotary and gripping movement of loads in non-explosion hazardous ambient and Installation conditions that are speci- fied for this module (see Technical Data).

  • Page 17: Guarantee

     Wear parts (e.g. shock absorbers) are not covered by the warranty. * The warranty covers the replacement or repair of defective Afag parts. No further claims will be accepted. The warranty will be voided in event of the following: ...

  • Page 18: Dimensions Drawing Of The Dg 20

    Use the centering sleeves included in the scope of delivery for positioning and insert these sleevs in the borings of the mounting grid. Note: It gives the DG 20 rotary gripper with the zero position at 90° on request. DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 19: Technical Data Of The Dg 20

    3.1.6 Technical data of the DG 20 Table 2: Technical data of the DG 20 DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 20: Perferred Combinations Of The Dg 20

    3.1.7 Perferred combinations of the DG 20 DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 21: Loads On The Gripper Fingers

    3.1.8 Loads on the gripper fingers Actually in progress, please contact our technicians for details. 3.1.9 Adjustment of the DG 20 rotary grippers There are different possibilities to connect the air supply. Please select the option which is the most suitable for your requirements. The connections for gripping are at the back of the black module part, those for turning the gripping pliers are in the red module part.

  • Page 22: Installation Of The Sensors

    3.2.0 Installation of the sensors Magnetic proximity switches can be installed in the C-grooves for end-position sens- ing of the DG 20 rotary grippers. These are specified in chapter 4 of this Montage Instructions (Accessories). CAUTION The DG 20 rotary grippers must not be used in an explosion- hazardous area.

  • Page 23: Preparation For Start-Up

    This sensor can not be purchased directly from Afag 3.2.1 Preparation for start-up After the air connections and the sensors have been installed the DG 20 rotary grip- per can be started for the first time via the system controller. Start-up Carry out the first start-up slowly and step by step.

  • Page 24: Adjustment, Retrofitting

    The gripper fingers are moved by the electric control. If the gripper fingers cannot move freely there is danger of injuries and bruises near the add-ons. If add-ons at the DG 20 rotary gripper could cause danger in connection with the gripper fingers a safe operation must be ensured.

  • Page 25: Maintenance Instructions

    DG 20 rotary gripper. The signals of the control system may cause unintentional movements of the module which may lead to personal injuries. Observe the Installation Instructions of the control system used. DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 26 The module must not be washed down; do not use any ag- gressive cleaners. Table 3: Maintenance works Further maintenance Under the ambient conditions mentioned below the DG 20 rotary gripper does not require any further maintenance: clean workshop atmosphere no splash water no friction dust or dust from processing climate and temperature according to the technical data.

  • Page 27: Servicing

    Filtered (40µm filter for oiled air)  Filtered (5µm filter for unoiled air) If the DG 20 module is operated with oiled air, the oil types listed below should be used:  Festo special oil  Avia Avilub RSL 10 ...

  • Page 28: Troubleshooting

    Observe the Montage Instructions of the system into which the DG rotary gripper was incorporated. WARNING Due to the decentral controller the operator of the DG 20 rotary gripper needs not to be near the product so that third persons might be endangered by the rotary/gripper operation.
  • Page 29 In case of sensor faults, in the rear area of the module, the steel-pin screws can be op- tionally replaced through the M3 x 5 brass screws (included in the accessory kit) DG 20 - OI vers. 1.4 gb. 20190712...

  • Page 30: Spare Parts

    4.1.3 Spare parts Repair of the DG 20 rotary gripper should only be carried out by Afag. There are no spare parts available. 4.1.4 Accessories DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 31 Proximity switch cable Article No. 50386489 DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 32 Mounting kit Sensor holder DG 20 Mounting example The set includes: 1 pcs. Sensor holder DG 20 Order-No. 50451740 2 pcs. Zyl.-screw In-6kt M5x14 DIN 912 2 pcs. 6 kt-Nut M5 DIN 934 2 pcs. Cable ties DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 33 4.1.5 Disassembly and repair When the module is damaged it can be returned to Afag Automation AG for repair. CAUTION Switch off and secure the controller before the DG 20 rotary gripper is removed out of the system. Disconnect the cables only after the controller was switched off.
  • Page 34 4.1.6 Disposal NOTE DG 20 rotary modules which cannot be used any more must not be disposed of as a complete unit, but must be disassembled and recy- cled according to the type of material. Materials than cannot be recycled must be disposed of in accord- ance with the legal regulations.
  • Page 35 DG 20 - OI vers. 1.4 gb. 20190712...
  • Page 36 Afag Automation AG Fiechtenstrasse 32 4950 Huttwil Switzerland Phone: +41 62 959 86 86 Fax: +41 62 959 87 87 e-mail: sales@afag.com Internet: www.afag.com...

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