Related Manuals for SCHUNK ROTA 2B
Summary of Contents for SCHUNK ROTA 2B
- Page 1 Translation of the original manual Power Chuck ROTA 2B Assembly and operating manual...
- Page 2 Imprint Imprint Copyright: This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights reserved. Technical changes: We reserve the right to make alterations for the purpose of technical improvement. Document number: 0889059 Version: 03.00 | 09/02/2022 | en...
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Page 3: Table Of Contents
Mounting chuck on Opus B cylinder.............. 30 ROTA 2B S – KONTEC (125 – 315) ............... 31 Function ......................... 32 Function and handling .................. 32 Replacement or renewal of jaws ................ 32 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 4 12 Spare parts ...................... 39 13 Translation of original EC declaration of incorporation.......... 40 14 Appendix on Declaration of Incorporation, as per 2006/42/EC, Annex II, No. 1 B .. 41 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 5: General
Non-observance can lead to irreversible injury and even death. CAUTION Dangers for persons! Non-observance can cause minor injuries. CAUTION Material damage! Information about avoiding material damage. WARNING Warning about hand injuries 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 6: Applicable Documents
• Calculation of the jaw centrifugal forces, "Technology" chapter in the lathe chuck catalog * The documents marked with an asterisk (*) can be downloaded on our homepage schunk.com 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 7: Basic Safety Instructions
• if it is used in working environments that are not permissible. • if the product is operated without a protective cover. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 8: Notes On Particular Risks
The lathe chuck may only be used on machines and facilities • that fulfill the minimum requirements of the EC Machinery Directive; specifically, they must have effective technical measures to protect against possible mechanical hazards. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 9 Wear safety gloves. • Observe the safety and accident prevention regulations during • operation of the chuck, especially in connection with machining centers and other technical equipment. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 10: Notes On Safe Operation
• The technical safety requirements in the respective operating instructions must be observed exactly. Functional test After installation of the chuck, its function must be checked prior to start-up. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 11 • We recommend checking the clamping force using a clamping force tester before starting a new production run and between maintenance intervals. *Optimum safety can only be guaranteed through regular checks*. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
- Page 12 • Screw the jaw mounting screws into the bore holes furthest apart. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 13: Substantial Modifications
Faults If a fault occurs on the chuck and this fault endangers safety or if a problem is suspected due to production characteristics, the 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 14: Using Personal Protective Equipment
When using this product, you must comply with the relevant health and safety at work rules and you must use the required personal safety equipment (minimum: category 2). 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 15: Warranty
• Observe the maximum number of clamping cycles • Observe the specified maintenance and lubrication intervals, } 9 [/ 33] Parts touching the workpiece and wear parts are not included in the warranty. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 16: Torques Per Screw
Tightening torques for mounting screws used to attach top jaws onto the chuck (screw quality 12.9) Screw size M10 M12 M14 M16 M20 M24 Max. admissible torque M (Nm) 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 17: Scope Of Delivery
• 2 Jaw Power Chuck incl. 4 fastening screws for base jaws with fine serration • 4 T-nuts with screws for base jaws with slot and tenon • 2 screws (12.9) 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 18: Technical Data
Warranty and maximum clamping cycles Length of warranty 24 Months Maximum clamping cycle number 500 000 Cycles 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 19: Clamping Force / Speed Diagrams
Max. jaw eccentricity of REPLACE REPLAC center of gravity in axial REPL direction ACEME REPLAC Actuating force REPLAC REPLAC Clamping force / speed diagram ROTA 2B 125 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 20 Technical data Clamping force / speed diagram ROTA 2B 160 Clamping force / speed diagram ROTA 2B 200 Clamping force / speed diagram ROTA 2B 250 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 21: Calculations For Clamping Force And Speed
Mass of one top jaw [kg] Safety factor for clamping force Mass of chuck jaw set [kg] Safety factor for machining Centrifugal force torque [Kgm] Σ Max. clamping force of chuck [N] 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 22: Calculation Of The Required Clamping Force In Case Of A Given Rpm
Minimum required clamping force Speed of rotation Reduction in effective clamping force by the magnitude of the total centrifugal force, for gripping from the outside inwards. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 23 M need to be added: 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 24: Calculation Example: Required Initial Clamping Force For A Given Speed
Take the centrifugal torque of the base jaw and top jaw specified from the "Lathe chuck data" table: For the centrifugal torque of the top jaw, the following applies: Centrifugal torque for one jaw: 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 25: Calculation Of The Permissible Speed In Case Of A Given Initial Clamping Force
= 1495 RPM is smaller than the maximum perm permissible RPM of the lathe chuck n = 3200 RPM (see "Lathe chuck data" table } 6.1 [/ 18]). This calculated RPM may be used. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 26: Grades Of Accuracy
6.3, as well as uneven lubricant application. In order to prevent damage resulting from these residual risks, the entire rotor is to be dynamically balanced in accordance with DIN ISO 21940-11. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 27: Attachment
For questions regarding the piston position for self-installation, contact our technical support service during our business hours. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 28 Attachment Maximal possible front piston position in which the chuck piston not strikes (measure in mm) 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
- Page 29 Locate top jaws with sliding block and screws using markings 1 and 2 on base jaw (item 15). To dismantle the chuck, follow the instructions in reverse order. Further information [} 27] [} 16] 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 30: Mounting Chuck On Opus B Cylinder
To dismantle the Opus B, follow the instructions in reverse order. OPUS B 125 – 315 ROTA 2B S 125 – 315 Fixed thread Mounting chuck on Opus B cylinder Further information [} 16] 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 31: Rota 2B S - Kontec (125 - 315)
The screw piece is secured on the chuck side against twisting and does not additionally be secured. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 32: Function
The fine serrations on the base jaw are suitable for standard jaws and special jaws for awkward workpiece shapes. All ROTA 2B sizes can also be supplied with slot and tenon base jaws (up to size 125 with slot and tenon only). The top jaws are moved or changed with the clamps open. -
Page 33: Maintenance
Remove O-ring (item 35) from filler. 7. The two base jaws (item 2) can now be pushed out of the chuck in the direction of the free jaw guide. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 34: Lubrication
When the smallest possible actuating pressure is applied (clamping cylinder), the base jaws must move evenly. This method only provides a limited indication and does not replace the measurement of the clamping force. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 35: Central Oil Lubrication
Soft top jaws must be hardened in the area of the screw’s counterbore. Just deep hardened no surface hardening. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 36: Disposal
• Dispose of the chuck's metal parts as scrap metal. Alternatively, you can return the chuck to SCHUNK for proper disposal. 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 37: Section And Exploded Drawing
Section and exploded drawing 11 Section and exploded drawing 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 38 Section and exploded drawing 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
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Page 39: Spare Parts
Cylindrical pin DIN EN ISO 8734 Set screws DIN 914 Set screw DIN EN ISO 4026 Quad ring O-ring Optional central oil lubrication: Item Part Threaded plug with seal Gauge cartridge 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 40: Translation Of Original Ec Declaration Of Incorporation
Person authorized to compile the technical documentation: Philipp Schräder, Address: see manufacturer's address Mengen,January2014 p.p. Alexander Koch; Director for Development / Design 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... -
Page 41: Appendix On Declaration Of Incorporation, As Per 2006/42/Ec, Annex Ii, No. 1 B
Risk of loss of stability 1.3.2 Risk of break-up during operation 1.3.3 Risks due to falling or ejected objects 1.3.4 Risks due to surfaces, edges or angles 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059... - Page 42 1.5.16 Lightning Maintenance 1.6.1 Machinery maintenance 1.6.2 Access to operating positions and servicing points 1.6.3 Isolation of energy sources 1.6.4 Operator intervention 1.6.5 Cleaning of internal parts 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
- Page 43 Supplementary essential health and safety requirements for machinery intended for underground work Supplementary essential health and safety requirements for machinery presenting particular hazards due to the lifting of persons 03.00 | ROTA 2B | Assembly and operating manual | en | 0889059...
- Page 44 Translation of the original manual H.-D. SCHUNK GmbH & Co. Spanntechnik KG Lothringer Str. 23 D-88512 Mengen Tel. +49–7572-7614-0 Fax +49-7572-7614-1099 info@de.schunk.com schunk.com Folgen Sie uns I Follow us...
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