SCHUNK ROTA-S flex Assembly And Operating Manual Download Page 40

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Translation of Original Operating Manual

H.-D. SCHUNK GmbH & Co.
Spanntechnik KG

Lothringer Str. 23
D-88512 Mengen
Tel. +49–7572-7614-0
Fax +49-7572-7614-1099
[email protected]
schunk.com

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Summary of Contents for ROTA-S flex

Page 1: ...Translation of Original Operating Manual Manual Lathe Chucks ROTA S flex Assembly and Operating Manual ...

Page 2: ... 00 14 04 2022 en Dear Customer thank you for trusting our products and our family owned company the leading technology supplier of robots and production machines Our team is always available to answer any questions on this product and other solutions Ask us questions and challenge us We will find a solution Best regards Your SCHUNK team Customer Management Tel 49 7572 7614 1300 Fax 49 7572 7614 1...

Page 3: ...tions for clamping force and speed 21 6 3 1 Calculation of the required clamping force in case of a given rpm 22 6 3 2 Calculation example required initial clamping force for a given speed 24 6 3 3 Calculation of the permissible speed in case of a given initial clamping force 25 6 4 Grades of Accuracy 26 6 5 Permissible imbalance 26 7 Attachment of the entire manual chuck 27 7 1 Handling prior to ...

Page 4: ...a month 31 9 4 In the case of decreasing clamping force or after approx 200 operating hours 31 10 Spare parts ROTA S flex 32 11 Assembly drawing 33 12 Spare parts ROTA S plus 2 0 34 13 Assembly drawing 35 14 Spare parts ROTA S plus 36 15 Assembly drawing 37 4 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

Page 5: ... manual are provided for basic understanding of the product and may differ from the actual product design We accept no liability for damage resulting from the failure to observe and comply with this operating manual 1 1 Warnings To make risks clear the following signal words and symbols are used for safety notes DANGER Danger for persons Non observance will inevitably cause irreversible injury or ...

Page 6: ...G Warning about hot surfaces 1 2 Applicable documents General terms of business Katalogdatenblatt des gekauften Produkts Calculation of the jaw centrifugal forces Technology chapter in the lathe chuck catalog The above mentioned documents can be downloaded at www de schunk com ...

Page 7: ...ety notes The maximum RPM of the chuck and the required clamping force must be determined by the user for the respective clamping task based on the applicable standards and technical specifications of the manufacturer See also Calculations for clamping force and RPM in the chapter Technical data 6 1 18 2 2 Not intended use A not intended use of the product is for example It is used as a press a pu...

Page 8: ...chuck and being dragged into the machine Loose clothing or long hair may become caught on projecting parts of the lathe chuck and be drawn into the machine The machines and equipment must fulfill the minimum requirements of the EC Machinery Directive specifically they must have effective technical measures to protect against potential mechanical hazards Always wear tight fitting clothing and a hai...

Page 9: ...case of rotation of the chuck The brass cover caps accessory of the clamping bolt must only be used for stationary use of the chuck CAUTION Danger of slipping and falling in case of dirty environment where the chuck is used e g by cooling lubricants or oil Ensure that the working environment is clean before starting assembly and installation work Wear suitable safety shoes Follow the safety and ac...

Page 10: ...jaw In this case the T nuts must always be inserted completely into the groove of the chuck base jaw CAUTION Hazard from vibration due to imbalanced rotating parts and noise generation Physical and mental strains due to imbalanced workpieces and noise during the machining process on the clamped and rotating workpiece Ensure the chuck s axial and concentric runout Check options for remedying imbala...

Page 11: ...the chuck s top speed a reliable speed limiter must be installed and proof must be provided that the speed limiter is effective WARNING Vibrations caused by the processing can result a loss of clamping force Risk of injury due drop out of the workpiece Manually operated chucks can lose clamping force because of vibration which is caused by the processing of the workpiece Tighten the chuck regularl...

Page 12: ...rough to its end position several times after 500 clamping strokes at the latest This moves the lubricant back to the force transmission surfaces so that the clamping force is retained for longer Safety notes for servicing Follow all the applicable legal standards for health and safety during servicing Use suitable personal protective equipment especially protective gloves goggles and safety boots...

Page 13: ...d with original SCHUNK spare parts Renew the chuck jaw mounting bolts if there are signs of wear or damage Only use bolts with a quality of 12 9 2 4 1 Constructional changes attachments or modifications Modifications and rework additional threads or bore holes or attaching fittings that are not offered as accessories by SCHUNK may be performed only with permission of SCHUNK This also applies to th...

Page 14: ...afety and hazards mounted on the machine where the chuck is mounted are clearly legible and are observed Faults If a fault occurs on the chuck and this fault endangers safety or if a problem is suspected due to production characteristics the machine tool where the chuck is mounted must be immediately stopped and remain shut down until the fault has been located and remedied Only allow specialists ...

Page 15: ...s Observe the applicable documents 1 2 6 Observe the ambient conditions and operating conditions Observe the maximum number of clamping cycles 6 1 18 Observe the specified maintenance and lubrication intervals 9 30 Parts touching the workpiece and wear parts are not included in the warranty 15 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

Page 16: ...r other suitable technical equipment screw quality 10 9 Screw size M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 Admissible torque MA Nm 13 28 50 88 120 160 200 290 400 500 1050 1500 Tightening torques for mounting screws used to attach top jaws onto the chuck screw quality 12 9 Screw size M6 M8 M10 M12 M14 M16 M20 M24 Max admissible torque MA Nm 16 30 50 70 130 150 220 450 ...

Page 17: ...g special base jaws 1 Set of short special base jaws 1 Cover plate 2 Centering bolts Ø 32g6 Ø 50g6 Screws and T nuts for mounting on the machine table 1 Allan key up to size 1200 only 1 Ratchet with adapter 1 Operating Manual ROTA S flex 1 Operating Manual ROTA S plus 2 0 or ROTA S plus 17 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

Page 18: ...CHUNK power chuck catalog Those catalogs are also available as download at www de schunk com The recommended max speed is only valid for max operating force and the use of the suitable hard standard stepped jaws Warranty and maximum clamping cycles Length of warranty 24 Months Maximum clamping cycle number 50 000 Cycles When using unhardened top jaws or jaws in special design make sure that their ...

Page 19: ...FA standard jaws During this the maximum actuating force was applied The diagrams showing short hard base jaws and hard SHF and SFA standard jaws can be found in the ROTA S plus or ROTA S plus 2 0 operating manuals contained in the scope of delivery The chucks were in perfect condition and lubricated with SCHUNK LINOMAX special grease After modification of one or several of these prerequisites the...

Page 20: ...Technical data 20 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ROTA S flex 550 with long jaws ROTA S flex 700 with long jaws ROTA S flex 1000 with long jaws ...

Page 21: ...ive clamping force N McGB Centrifugal torque of base jaws Nm Fspmin Minimum required clamping force N n Speed rpm Fsp0 Initial clamping force N rs Center of gravity radius mm Fspz Cutting force N rsAB Center of gravity radius of top jaw mm mAB Mass of one top jaw kg ssp Safety factor for clamping force mB Mass of chuck jaw set kg sz Safety factor for machining Mc Centrifugal force torque Nm Σs Max...

Page 22: ...ds for gripping from the inside outwards DANGER Risk to life and limb of the operating personnel and significant property damage when the RPM limit is exceeded With gripping from the outside inwards and with increasing RPM the effective clamping force is reduced by the magnitude of the increasing centrifugal force the forces are opposed When the RPM limit is exceeded the clamping force drops below...

Page 23: ...6 the following also applies here Ssp 1 5 The total centrifugal force Fc is dependent on both the sum of the masses of all jaws and on the center of gravity radius and the rpm CAUTION For safety reasons in accordance with DIN EN 1550 the centrifugal force may be a maximum of 67 of the initial clamping force The formula for the calculation of the total centrifugal force Fc is For this n is the give...

Page 24: ...ation specific Center of gravity radius of top jaw rsAB 0 107 m application specific Safety factor Sz 1 5 according to VDI 3106 Safety factor Ssp 1 5 according to VDI 3106 Note Masses of the jaw mounting screws and T nuts are not taken into account First the required effective clamping force Fsp is calculated using the machining force stated Initial clamping force during shutdown Calculation of to...

Page 25: ...ns Example of calculation Permissible RPM for a given effective clamping force The following data is known from previous calculations Initial clamping force during shutdown Fsp0 17723 N Machining force for machining job Fspz 3000 N application specific Total centrifugal torque of all jaws Mc 2 668 kgm Safety factor Sz 1 5 according to VDI 3106 Safety factor Ssp 1 5 according to VDI 3106 NOTE Masse...

Page 26: ...espond to balancing quality class 6 3 according to DIN ISO 21940 11 Residual imbalance risks may arise due to insufficient rotation compensation being achieved see DIN EN 1550 6 2 e This applies in particular to high speeds of rotation asymmetrical workpieces or the use of lathe chucks that do not correspond to balancing grade 6 3 as well as uneven lubricant application In order to prevent damage ...

Page 27: ...der and supplied eye bolts onto the machine table Align centrally with the centering pins item 8 and radially with the location bolts item 21 on the manual lathe chuck Then fasten the chuck according to the specified torque using a torque wrench with the screws item 14 and the T nuts To protect the counterbore holes against contamination fit the caps items 9 10 The radial and axial run out accurac...

Page 28: ...oved inwards to the extent that the first tongue and groove of the base jaws does not move onto the cover item 4 in the course of clamping If standard jaws are used on the toolholder the cover item 4 cannot be mounted With the ROTA S flex 1000 size ensure that the indicator pin is not covered by the cover when screwing on the cover item 4 observe recess in cover Fitting the guideway extensions The...

Page 29: ...chuck 8 2 Important notes on the ROTA S plus or ROTA S plus 2 0 manual chuck See the ROTA S plus or ROTA S plus 2 0Assembly and Operating Manual contained in the scope of delivery 8 3 Checking the ROTA S plus or ROTA S plus 2 0 manual chuck See the ROTA S plus or ROTA S plus 2 0Assembly and Operating Manual contained in the scope of delivery 29 06 00 ROTA S flex Assembly and Operating Manual en 08...

Page 30: ...N Allergic reactions due to grease in contact with skin Wear gloves 9 1 Disassembling and assembling the chuck Remove the base jaws from the chuck as described in chapter Handling and jaw change 8 1 28 Unscrew the screws item 33 and remove the guideway extension item 4 Screw out the screws item 33 and undo the ROTA S flex from the baseplate item 3 taking it off to the front For further disassembly...

Page 31: ...chuck 2 3 times without a workpiece to evenly distribute the grease across all the functional surfaces Clean the guideway extensions and apply LINOMAX with a brush 9 4 In the case of decreasing clamping force or after approx 200 operating hours If the clamping force decreases the inside of the chuck is contaminated or the coolant has washed out or decomposed the grease In this case disassemble the...

Page 32: ...by the warranty Item Designation Quantity 999 ROTA S plus 2 0 or ROTA S plus centering chuck complete 1 60 Base plate 1 61 Guideway extension 3 62 Cover 1 64 Pressure bolt 3 63 Long base jaw 3 40 Short base jaw 3 68 69 Centering pin 2 66 Cover bore cover 15 85 Cover bore cover 13 71 Countersunk screws 3 70 Cylindrical screws 15 75 Cylindrical screws 3 74 Cylindrical screws 13 73 Nut for T slot 13 ...

Page 33: ...Assembly drawing 11 Assembly drawing ROTA S flex 33 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

Page 34: ...ng 1 1 4 Base jaw 3 1 5 Wedge bar with thread 1 1 6 Wedge bar 2 1 7 Sliding block 3 2 8 Spindle 1 1 9 Spindle nut 1 1 10 Seat of bearing 1 1 11 Wiper starting for size 200 3 2 12 Slide 3 2 13 Locking slide 3 2 14 Pressure bolt 3 2 15 Traverse slide 3 2 17 Indicator pin 1 1 30 Cylindrical pin 1 1 31 Compression spring for pressure bolt 3 2 32 Compression spring for locking slide 3 2 34 Cylindrical ...

Page 35: ...Assembly drawing 13 Assembly drawing ROTA S plus 2 0 35 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

Page 36: ...ver 3 Drive ring 4 Base jaw 5 Wedge bar with thread 7 Sliding block 8 Spindle 9 Wedge bar without thread 10 Safety bolt 13 Seat of bearing with bore hole 15 Seat of bearing 17 Indicator pin 18 Ball 19 Cartridge 24 2nd plunger pin 25 Plunger pin 26 Washer 27 Compression spring for plunger pin 28 Compression spring for indicator pin 29 Compression spring for safety bolt 30 Clamping sleeve 31 Screw f...

Page 37: ...Assembly drawing 15 Assembly drawing ROTA S plus 37 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

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Page 40: ...HUNK 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 04 2022 2022 SCHUNK GmbH Co KG 06 00 ROTA S flex Assembly and Operating Manual en 0889139 ...

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