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DNCKE/KEC

Festo – DNCKE/KEC – 2017-10b English

Maintenance and care

WARNING

Unexpected movement of components.

Injury due to impact or pinching.

When working on the clamping unit, switch off the control and secure it against be

ing switched back on unintentionally.

Clean the clamping unit as required using a soft cloth. Do not use aggressive cleaning agents.

The clamping unit is lubricated for life. Additional lubrication is not necessary.

Disassembly and repair

WARNING

Unexpected movement of components.

Injury due to impact or pinching.

Secure payload and verify load-free status before dismounting.

Exhaust the clamping unit before working on it.

Observe instructions on transport (

4 Transport).

WARNING

Flying parts!

Injury due to impact or pinching.

Loaded springs may be released suddenly during dismantling. The sudden release of

internal spring forces (e.g. when dismantling the housing cover) poses a risk of injury.

Do not disassemble clamping unit.

If repairs are required:

Send clamping unit to Festo or contact Festo service (

www.festo.com).

Information about spare parts and auxiliary tools (

www.festo.com/spareparts).

Disposal

Dispose of the clamping unit and its packaging at the end of its lifecycle by using environmentally

friendly ways of recycling in accordance with applicable specifications.

Accessories

www.festo.com/catalogue

Содержание DNCKE

Страница 1: ...en Operating instructions 8074345 2017 10b 8074347 Cylinder with clamping unit Clamping unit DNCKE KEC ...

Страница 2: ...cylinder with clam ping unit DNCKE is designated a product or cy linder in these operating instructions Installation and commissioning may only be per formed in accordance with these instructions by technicians with appropriate qualifications Warning Caution Note Environment Accessories English 3 ...

Страница 3: ...on 8 4 Transport 8 5 Installation 8 5 1 Mechanical installation 8 5 1 1 Mounting the clamping unit 9 5 1 2 Mounting attachments 10 5 1 3 Mounting accessories 11 5 2 Pneumatic installation 11 5 2 1 Prerequisites 11 5 2 2 Functional tests 12 5 2 3 Creating a tubing connection to the clamping unit 12 6 Commissioning 13 6 1 Dismounting the round material only required for KEC 14 6 2 Adjustment of the ...

Страница 4: ...DNCKE KEC 4 Festo DNCKE KEC 2017 10b English 8 Maintenance and care 22 9 Disassembly and repair 22 10 Disposal 22 11 Accessories 22 12 Fault clearance 23 13 Technical data 24 ...

Страница 5: ...xt to the adjusting screws for the pneumatic cushioning only for DNCKE 2 Supply port for releasing the clamp 3 Locking screw with internal hexagon socket for adjusting sleeve 4 Piston rod only DNCKE 5 Adjusting sleeve with spanner flat 6 Hollow bolt with thread for mounting 7 Hole with filter element for exhausting the clamping chamber 8 Slots for proximity sensor only DNCKE 9 Round material for t...

Страница 6: ...e clamping unit KEC is intended to serve both as an individual product and integrated into a DNC cylinder for cylinders with clamping unit DNCKE for holding clamping and inhibiting the movement of round material 2 2 Foreseeable misuse The clamping unit is not intended as a brake Use as a braking device dynamic applications does not conform with the intended use The clamping unit is not suitable fo...

Страница 7: ...atus and in perfect working order Use the product only within the defined values è 13 Technical data Observe product labelling Observe applicable documents Take into consideration the ambient conditions at the location of use Protect the product during storage and operation from the following Wetness or moisture Corrosive coolant or other materials e g ozone UV radiation Oils greases and grease so...

Страница 8: ...oy the internal clamping component Make sure that the loads are only exerted on the round material in the direction of movement The use of a self aligning rod coupler è 11 Accessories prevents later al forces Note Movement of the round material against the clamping forces leads to heavy wear on the internal clamping element and the round material Make sure that the holding force is never exceeded ...

Страница 9: ... KEC 2017 10b English 9 5 1 1 Mounting the clamping unit Interfaces for mounting components on the cover examples with foot mounting HNC1 with flange mounting FNC1 with swivel mounting SNC1 1 è www festo com catalogue Fig 5 ...

Страница 10: ... in depth mm 9 5 15 12 5 14 14 17 Screw M6 4x M8 4x M10 4x Tightening torque Nm 5 13 30 2 Dimension varies depending on setting of the adjusting screw Tab 1 Place the clamping unit in the intended position Tighten screws evenly tightening torques è Tab 1 5 1 2 Mounting attachments Mounting on the DNCKE Mount the attachment component on the piston rod The spanner flat aJ on the piston rod serves as...

Страница 11: ...essories are required Designation Type Function Non return valve HGL slow pressure reduction with loss of compressed air Redundancy with stop function Compensation reservoir VZS Reduction of pressure fluctuations in the following compressed air line Tab 2 Use a one way flow control valve type e g GRLZ or GRLA directly in the relevant supply port For activating the cylinder with clamping unit Selec...

Страница 12: ...covers if present from the compressed air supply ports Remove dirt particles and foreign matter from the ports and tubing lines Use the shortest suitable tubing lines This will reduce switching times Create tubing connections between the supply ports of the clamping unit 2 and those of the cylinder 1 Fig 10 DNCKE KEC 2 1 Size DNCKE 40 63 100 KEC 16 20 25 Supply port for clamping unit 2 G 1 8 G 1 4...

Страница 13: ...performed by qualified specialized personnel The holding force corresponds to the specified values è 6 4 Clamping force test The limit values are not exceeded è 13 Technical data Note Clamping without round material will destroy the internal clamping component Make sure that the clamping unit KEC is always pressurised when the round material is not inserted If the clamping unit KEC is exhausted wi...

Страница 14: ... Unscrew the adjusting sleeve 5 half a turn in an anti clockwise direction 4 Pull supplied round material 9 out com pletely Fig 14 5 9 Note If the round material is inserted in a tilted way the scraper and seals might be damaged A 15 chamfer at least 3 mm wide at the end of the round material ensures it can be slid on easily workpiece quality è 13 Technical data Fig 15 5 Slide the clamping unit on...

Страница 15: ...Allen key 2 Fig 16 3 Size DNCKE 40 63 100 KEC 16 20 25 Spanner size for internal hexagon socket 1 ß mm 6 8 Tab 5 4 Unscrew the adjusting sleeve 5 half a turn in an anti clockwise direction Fig 17 5 5 Turn the adjusting sleeve 5 clockwise until the round material can no longer move 6 Turn the adjusting sleeve 5 clockwise until the round material is just free to move approx 10 30 Fig 18 10 30 5 7 Ti...

Страница 16: ...ed incrementally until reaching operating speed If set correctly the payload e g the moved machine part should reach the end position without stopping hard 7 In the test run check if the following equipment settings need to be modified speed of the payload pneumatic cushioning clamping force After completing the required adjustments 8 End the test run 6 4 Clamping force test WARNING Unexpected mov...

Страница 17: ...n the maximum static holding force è 13 Technical data The piston rod must not slip through during a testing period of 60 s Remedy in case of slipping readjust the clamping unit è 6 2 Adjustment of the clamping unit Horizontal mounting position Case 1 without additional weight force Fig 21 P Size KEC 16 20 25 Test force FP N 1300 3200 8000 Tab 6 Static functional test Place the piston rod in the r...

Страница 18: ...m2 Size DNCKE 40 63 100 Test force FP N 1300 3200 8000 Piston area A Advancing direction mm2 1257 3117 7854 Tab 8 Static functional test Place the piston rod in the returned end position Exhaust port 2 è Fig 1 The clamp is active Pressurise cylinder chamber of the DNCKE in the advancing direction with test pressure PA è Tab 8 while simultaneously exhausting the cylinder chamber in the returning di...

Страница 19: ...2 1055 2803 7363 1 The test pressure PA must not exceed 10 bar è 13 Technical data Even with a calculation result of Pa 10 bar only the maximum test pressure of 10 bar may be applied Tab 10 Static functional test Place the piston rod in the advanced end position Exhaust port 2 è Fig 1 The clamp is active Pressurise cylinder chamber of the DNCKE in the returning direction with test pressure PA è Ta...

Страница 20: ... there are changes in the payload or operating pressure Note Payloads that have been increased at a later time and a changed operating pressure change the clamping conditions and might impair operational reliability Observe permissible maximum load limits è 13 Technical data If the clamping unit does not clamp the payload securely Readjust the clamping unit è 6 2 Adjustment of the clamping unit In...

Страница 21: ...on and reach the end positions without stop ping hard Test cycle Every 100 000 clamping cycles and at least once per month Adjusting cycle Every 500 000 clamping cycles or if there are signs of wear Adjusting procedure è 6 2 Adjustment of the clamping unit Tab 12 In the following cases check to determine if more frequent tests are required high thermal stress severe accumulation of dirt if there a...

Страница 22: ...ee status before dismounting Exhaust the clamping unit before working on it Observe instructions on transport è 4 Transport WARNING Flying parts Injury due to impact or pinching Loaded springs may be released suddenly during dismantling The sudden release of internal spring forces e g when dismantling the housing cover poses a risk of injury Do not disassemble clamping unit If repairs are required...

Страница 23: ...operating pressure Change activation Round material contaminated Clean the round material with a soft cloth and protect from dirt Round material does not meet the quality requirements Comply with specifications for the quality of the round material è 13 Technical data Clamping unit not correctly adjusted or worn Readjust round material è 6 2 Adjustment of the clamping unit Clamping component worn ...

Страница 24: ... chamfer on the end of the round material Static holding force N 1300 3200 8000 Theoretical force DNCKE Advance at 6 bar N 754 1870 4712 Return at 6 bar N 633 1682 4418 Advance at max test pressure N 1257 3117 7854 Return at max test pressure N 1055 2803 7363 Max permissible travel speed m s 1 Ambient temperature C 20 80 Storage temperature C 20 80 Vibration and shock without payload Vibration in ...

Страница 25: ... 100 KEC 16 20 25 Materials Housing cover Aluminium Piston rod DNCKE Steel hard chromium plated Tie rods collar nuts Steel Seals TPE U NBR Weight Basic weight KEC kg 1 9 4 5 16 8 Basic weight DNCKE kg 2 3 5 5 18 2 per 10 mm of path DNCKE kg 0 045 0 073 0 11 Tab 14 ...

Страница 26: ...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 AG 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 ...

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