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Summary of Contents for Festo DNCKE
- Page 1 Cylinder with clamping unit / Clamping unit DNCKE/KEC Operating instructions 8074345 2017-10b [8074347]...
- Page 2 DNCKE/KEC Original instructions Symbols: The clamping unit KEC or the cylinder with clam ping unit DNCKE is designated a product or cy Warning linder in these operating instructions. Installation and commissioning may only be per formed in accordance with these instructions by technicians with appropriate qualifications.
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Page 3: Table Of Contents
..........Festo – DNCKE/KEC – 2017-10b English... - Page 4 ............Festo – DNCKE/KEC – 2017-10b English...
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Page 5: Configuration
DNCKE/KEC Documentation on the product For all available product documentation è www.festo.com/pk Configuration DNCKE Compressed air supply port for cylinders next Adjusting sleeve with spanner flat to the adjusting screws for the pneumatic Hollow bolt with thread for mounting cushioning (only for DNCKE) -
Page 6: Safety
Safety Intended use The 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. Foreseeable misuse The clamping unit is not intended as a brake. -
Page 7: General Safety Information
Qualification of specialized personnel Only qualified specialized personnel may install, commission, service or disassemble the clamping unit. The specialized personnel must be familiar with the installation and operation of electrical and pneu matic control systems. Festo – DNCKE/KEC – 2017-10b English... -
Page 8: Function
• Check if additional external safety measures (e.g. pawls or moveable bolts) are required. • Select the installation type for the desired application. Refer to the Festo catalogue for more mounting alternatives (è Fig. 5) and required accessories. Festo – DNCKE/KEC – 2017-10b English... -
Page 9: Mounting The Clamping Unit
DNCKE/KEC 5.1.1 Mounting the clamping unit Interfaces for mounting components on the cover (examples) with foot mounting HNC with flange mounting FNC with swivel mounting SNC 1) è www.festo.com/catalogue Fig. 5 Festo – DNCKE/KEC – 2017-10b English... -
Page 10: Mounting Attachments
• Mount the attachment component on the piston rod. The spanner flat aJ on the piston rod serves as a counter holder for the lock nut. If necessary, secure the lock nut with a screw locking agent. Fig. 7 Festo – DNCKE/KEC – 2017-10b English... -
Page 11: Mounting Accessories
DNCKE/KEC 5.1.3 Mounting accessories If proximity sensors are used in the cylinder with clamping unit DNCKE: • Use Festo accessory proximity sensors (è www.festo.com/catalogue). • Place the proximity switches in the slots 8 of the cylinder. • Fix the proximity sensors to the desired switching positions. -
Page 12: Functional Tests
Size DNCKE Supply port for clamping unit G 1/8 G 1/4 G 3/8 Supply port for cylinder (DNCKE only) G 1/4 G 3/8 G 1/2 Tab. 3 To prevent dirt particles from entering the pneumatic system when used in ambient air with fine particulate matter or fine mist: •... -
Page 13: Commissioning
• Make sure that the clamping unit KEC is always pressurised when the round material is not inserted. If the clamping unit KEC is exhausted without round material inserted, the high spring force will deform the internal clamping component until it cannot function. Festo – DNCKE/KEC – 2017-10b English... -
Page 14: Dismounting The Round Material (Only Required For Kec)
(workpiece quality è 13 Technical data). Fig. 15 5. Slide the clamping unit onto the rod of the attachment product carefully. 6. Adjust the KEC to the new round material (è Following chapter). Festo – DNCKE/KEC – 2017-10b English... -
Page 15: Adjustment Of The Clamping Unit
DNCKE/KEC Adjustment of the clamping unit Note Adjusting is not required for initial start-up of DNCKE. 1. Exhaust the cylinder in a stable position (e.g. if installed vertically, at the lowest point). 2. Pressurise the supply port 2 with at least 3.8 bar. -
Page 16: Test Run
2. Pressurise the complete system slowly, e.g. with the soft-start valve type HEL. 3. Pressurise the cylinders simultaneously at both supply ports (1 è Fig. 1, only for DNCKE). This prevents movement in the direction of the unpressurised cylinder chamber. - Page 17 Exhaust port (2 è Fig. 1). The clamp is active. Pressurise cylinder chamber of the DNCKE in the advancing direction at P = 10 bar while simultan eously exhausting the cylinder chamber in the returning direction. Test force for testing with KEC è...
- Page 18 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 P (è Tab. 8) while simultaneously exhausting the cylinder chamber in the returning direction.
- Page 19 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 P (è Tab. 10) while simultaneously exhausting the cylinder chamber in the advancing direction.
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Page 20: Operation
Check clamping unit for safe function (è 6.4 Clamping force test). Note A permanently pressurised clamping unit can jeopardize the operational reliability. • Exhaust the clamping unit at least once per day. Festo – DNCKE/KEC – 2017-10b English... -
Page 21: Adjustment Of The Clamping Unit
– if there are grease-solvent fluids or vapours nearby • Avoid contamination of the round material or exhaust port (7 è Fig. 1). This is the only way to ensure normal function will not be impaired. Festo – DNCKE/KEC – 2017-10b English... - Page 22 (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 (è www.festo.com). Information about spare parts and auxiliary tools (è www.festo.com/spareparts). Disposal •...
- Page 23 Fault clearance Malfunction Possible cause Remedy Clamping can Clamping unit leaky Send clamping unit to Festo with a descrip not be released. tion of the fault. Insufficient operating pressure Increase operating pressure to maximum permitted value. Clamping unit not correctly adjusted Readjust round material (è 6.2 Adjustment of the clamping unit).
- Page 24 11 ms IEC 60068 part 2–27 5 shocks per direction Continuous shock in accordance with ± 150 m/s acceleration with a duration of 6 ms IEC 60068 part 2–29 1000 shocks per direction Festo – DNCKE/KEC – 2017-10b English...
- Page 25 Piston rod DNCKE Steel (hard-chromium-plated) Tie rods, collar nuts Steel Seals TPE-U, NBR Weight Basic weight [kg] 16.8 Basic weight DNCKE [kg] 18.2 per 10 mm of path DNCKE [kg] 0.045 0.073 0.11 Tab. 14 Festo – DNCKE/KEC – 2017-10b English...
- Page 26 Copyright: Festo AG & 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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