Festo DHTG, Operating Instructions Manual

Page 1: ...en Operating instructions 8085860 2018 02e 8085862 Rotaring indexing table DHTG ...

Page 2: ...r serious injuries Caution Hazards that can cause minor injuries Other symbols Note Material damage or loss of function Recommendations tips references to other documentation Essential or useful accessories Information on environmentally sound usage 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 o...

Page 3: ...ion 5 3 Transport and storage 5 4 Requirements for product use 5 5 Installation 6 5 1 Mechanical assembly 6 5 2 Installing the pneumatic system 7 5 3 Electrical installation 9 6 Commissioning 10 7 Operation 12 8 Maintenance and care 13 9 Dismantling and repairs 14 10 Accessories 16 11 Troubleshooting 16 12 Technical data 17 13 Characteristic curves 18 ...

Page 4: ...hole for adapter 3 Through hole for power supply 4 Threaded and pin hole for plate 5 Centring through hole and thread for fastening 6 Adjusting screw for setting the cushioning 7 Threaded hole for sensor for position sensing 8 Supply port A and B for clockwise anti clockwise rotation 9 Supply port C and D for reciprocating operation sealed on delivery aJ One way flow control valve for speed regula...

Page 5: ... are met Short storage times and Cool dry shaded corrosion resistant storage locations 4 Requirements for product use Note Improper handling can result in malfunctions Be sure to always comply with the specifications in this chapter Compare the maximum values specified in these operating instructions with those of your actual application e g forces torques temperatures masses speeds Only complianc...

Page 6: ...ess otherwise specified the tolerance is 20 5 Installation 5 1 Mechanical assembly 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 Size 65 90 140 220 Screw M4 M6 M6 M8 Recess for centring sleeve mm 7 12 12 15 mm 5...

Page 7: ...the pneumatic ports A to D if applicable remove sealing elements Clockwise or anti clockwise rotation1 Size 65 90 140 220 Connection A Unlock and turn Connection B Lock and return stroke Connecting thread M5 Gx Tightening torque 1 5 Nm 7 Nm 1 Modification è 9 Dismantling and repairs Tab 4 Reciprocating operation1 Size 65 90 140 220 Connection A Unlock Connection B Lock Connection C Clockwise rotat...

Page 8: ...for use in safety related sections of control systems Extended interface Clockwise anti clockwise rotation Reciprocating operation flexible control 3 2 1 3 2 1 1 Manual or electrically actuated 3 2 way valve 2 Single or double solenoid 5 2 way valve 3 Non return valve controlled The compressed air is interrupted in the basic position of the valve 1 The air in the table is locked in and the movemen...

Page 9: ...of rotation of plate Clockwise rotation Anti clockwise rotation reciprocating operation flexible control Direction of rotation W U Locking mechanism V V Piston end position U W 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 After an emergency stop overload m...

Page 10: ...ontrol valve aJ Reciprocating operation must be controlled externally through an additional one way flow control valve GRLA Connection C Fig 10 è www festo com catalogue Screw the flow control screw aJ in completely then loosen one rotation Slowly pressurise the complete system with at least 4 bar Start a test run Tab 10 Check in a test run at low pulse frequency whether the following modification...

Page 11: ... position Connection B and D pressurised 1 Pressurise connection A Unlock 2 Pressurise connection C Pulse right 1 3 Pressurise connection B Lock 4 Pressurise connection D Return stroke 5 Pressurise connection A Unlock 6 Pressurise connection C Pulse right 2 7 Pressurise connection B Lock Direction of rotation change 8 Pressurise connection A Unlock 9 Pressurise connection D Pulse left 10 Pressuris...

Page 12: ... clamping element K again Tightening torque Size 65 90 140 220 Width across flats 2 5 2 5 4 4 Tightening torque Nm 0 8 0 8 2 5 2 5 Tab 15 7 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 Note the moment of mass inertia as a factor of the switc...

Page 13: ...y reduce the moment of mass inertia Avoid the DHTG coming into contact with Aggressive media Grinding dust Glowing sparks or chips These will damage the DHTG 8 Maintenance and care Switch off the power supplies Operating voltage Compressed air supply Cleaning 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 ...

Page 14: ...ents 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 Operating voltage Compressed air Exhaust the system and the product Replacing the integrated shock absorber 1 Unscrew the flow control screw aJ 2 Unscrew the fastening screws M on the sub base 3 Using pliers remove the retaining ring on the sh...

Page 15: ...se sequence tightening torque è Tab 17 6 Unscrew the fastening screws N on the stop plate 7 Unscrew both locking screws O on the rear of the stop plate to begin with then screw them in again into the open holes tightening torque è Tab 17 The open holes R or L in Fig 14 determine the direction of rotation Holes R open clockwise rotation 8 Screw the fastening screws N on the stop plate again tighten...

Page 16: ... not engage End position not reached Unscrew the adjusting screw for the shock absorber until the rotating plate engages Overload protection is active è see above Toothed disc and pinion stand tooth on tooth Please contact Festo s Technical Hotline Hard metal impact at the end position Adjusting screw for shock absorber unscrewed too far Screw in adjusting screw Shock absorber defective Replace sh...

Page 17: ... opened completely è 7 Opera tion è 13 Characteristic curves kgm2 0 015 0 03 0 3 2 5 Theor torque at 6 bar Nm 2 1 4 4 18 1 58 9 Parallelism of plate1 mm 0 04 Axial eccentricity of plate2 mm 0 02 Concentricity of plate3 mm 0 02 Repetition accuracy of swivel angle 0 03 Replacement accuracy mm 0 2 Ambient temperature C 5 60 Storage temperature C 20 80 Protection class IP54 Material Cover housing Wrou...

Page 18: ...ing frequency f as a function of mass moment of inertia J Size 65 f 1 min J kgm2 Size 90 J kgm2 f 1 min Size 140 f 1 min J kgm2 2 indexing stations 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations 24 indexing stations ...

Page 19: ... stations 6 indexing stations 8 indexing stations 12 indexing stations 24 indexing stations Max permissible cycle frequency f as a function of mass moment of inertia J Size 65 f 1 min J kgm2 Size 90 f 1 min J kgm2 2 indexing stations 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations 24 indexing stations ...

Page 20: ...permissible cycle frequency f as a function of mass moment of inertia J Size 140 J kgm2 f 1 min Size 220 J kgm2 f 1 min 3 indexing stations 4 indexing stations 6 indexing stations 8 indexing stations 12 indexing stations 24 indexing stations ...

Page 21: ...DHTG Festo DHTG 2018 02e English 21 ...

Page 22: ...ization is prohibited Offenders will be liable for damages All rights re served in the event that a patent utility model or design patent is registered Copyright Festo SE Co KG Ruiter Straße 82 73734 Esslingen Germany Phone 49 711 347 0 Fax 49 711 347 2144 E mail service_international festo com Internet www festo com ...