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Summary of Contents for Festo DHTG
- Page 1 Rotaring indexing table DHTG Operating instructions 8085860 2018-02e [8085862]...
- Page 2 Text designations: • Activities that may be carried out in any order 1. Activities that should be carried out in the order stated – General lists è Result of an action/References to more detailed information Festo – DHTG – 2018-02e...
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Page 3: Table Of Contents
DHTG English – Rotaring indexing table DHTG Table of contents Operating elements and connections ......... -
Page 4: Operating Elements And Connections
DHTG Operating elements and connections For all available product documentation è www.festo.com/pk 1 2 3 Retaining screw for table bearing Threaded hole for sensor for position sensing Threaded and pin hole for adapter Supply port A and B for Through hole for power supply... -
Page 5: Function And Application
Fig. 2 direction of rotation. The DHTG rotary indexing table is intended for turning the work load by a defined angle into a holding position. Transport and storage • Take the weight of the DHTG into consideration. It weighs up to 25 kg. -
Page 6: Installation
• Make sure there is sufficient space for the pneumatic connections, for conversion or for replacing the shock absorber. • Fasten the DHTG with four screws and ZBH centring sleeves. Tightening torques è Tab. 1, Tab. 2. Direct mounting from above... -
Page 7: Installing The Pneumatic System
Lock Connection C Clockwise rotation Connection D Anti-clockwise rotation Connecting thread Tightening torque 1.5 Nm 7 Nm 1) Separate kit required (Accessories è www.festo.com/catalogue) 2) Use external flow control valve Tab. 5 Fig. 7 Festo – DHTG – 2018-02e English... - Page 8 (division). It may therefore happen that the table moves into its end position but without additional tightening torque. The table can be moved by hand within a certain range. Tab. 7 Festo – DHTG – 2018-02e English...
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Page 9: Electrical Installation
Direction of rotation Locking mechanism Piston end position Tab. 9 When the DHTG is used with 3-part split (DHTG-140 and DHTG-220): Note Based on the design, the rotating plate can engage in an intermediate position (corresponding to the 6-index stations). -
Page 10: Commissioning
Fig. 9 Note Incorrect functioning due to inaccurate toothed rod position. When the DHTG is exhausted, the resetting force of the shock absorber can push the rotary table out of the end position and into an undefined position. - Page 11 • Note the maximum permitted frequencies as a factor of the moment of mass inertia (è Technical specifications). The rotary indexing table must not strike hard against the end stops and the overload protection must not be triggered. • End the test run. Festo – DHTG – 2018-02e English...
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Page 12: Operation
Operation Warning Risk of injury from rotating masses. • Make sure nobody can place his/her hand in the positioning range of the DHTG and that no objects lie in its path (e. g. by providing a protective screen). Fig. 12 •... -
Page 13: Maintenance And Care
• Only clean the DHTG using a soft cloth. All non-abrasive cleaning agents are permitted. Due to its service life lubrication the DHTG does not require any maintenance. Regular removal of the lubricating grease on the surface of the piston rod will reduce the service life. -
Page 14: Dismantling And Repairs
• Recommendation: Return the product to our repair service for overhaul. The necessary fine adjustments and tests will then be taken into account. • Information about spare parts and aids can be found at: www.festo.com/spareparts • Switch off the power supplies: –... - Page 15 – the shock absorber with the retaining ring in the adjacent hole – the O-ring (P) / buffer (for DHTG-65) in the adjacent groove – the distance piece (T) in the same hole (distance piece omitted for 2/3 index stations) –...
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Page 16: Accessories
(e. g. when mechanism changing the direction of rotation) Plate position incorrect Overload protection engaged Force overload protection and turn incorrectly at 180° (plate offset 30°) until it re-engages Tab. 18 Festo – DHTG – 2018-02e English... -
Page 17: Technical Data
2) Measured on the surface of the plate at the edge of the plate in relation to the housing support 3) Measured on the inner diameter of the plate in relation to the housing Tab. 19 Festo – DHTG – 2018-02e English... -
Page 18: Characteristic Curves
Switching frequency f as a function of mass moment of inertia J Size 65 J [kgm Size 90 J [kgm Size 140 2 indexing stations 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations J [kgm 24 indexing stations Festo – DHTG – 2018-02e English... - Page 19 Max. permissible cycle frequency f as a function of mass moment of inertia J Size 65 J [kgm Size 90 2 indexing stations 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations J [kgm 24 indexing stations Festo – DHTG – 2018-02e English...
- Page 20 Max. permissible cycle frequency f as a function of mass moment of inertia J Size 140 J [kgm Size 220 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations 24 indexing stations J [kgm Festo – DHTG – 2018-02e English...
- Page 21 DHTG Festo – DHTG – 2018-02e English...
- Page 22 Copyright: Festo SE & Co. KG Ruiter Straße 82 73734 Esslingen Germany Phone: +49 711 347-0 Fax: +49 711 347-2144 Reproduction, distribution or sale of this document or communica E-mail: tion of its contents to others without express authorization is service_international@festo.com...
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