Torsiflex-I Coupling - Altra Industrial Motion Literature Portal
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1. recommended value For torque val ues and required wrench lenghts see table Check with a torque wrench The tightening torque is either punched into the material with smaller units or is indicated on a plate 10 Ameridrives Bibby 512 353 4000 Screws Wrench SIZE _ Torque Grade 10 9 mm i Apply groase to threads Pressure rings Disassembly 1 Loosen the screws evenly one after the other again going round several times to avoid canting of the plates on the inner ring Under no cicumstances whatsoever should the screws be totally disengaged since this could lead to a ring jumping off think safety 2 Before the shaft is dismantled or the hub pulled off any rust on the hub or shaft should be removed 3 Remove the shrink ring from the hub P 5022 TBW 4 15 Cleaning and Regreasing Shrink rings which have been in service should be totally dismantled and cleaned The bevel surfaces are factory lubricated with a solid lubricant e g Weicon Anti Seize Undamaged bevel surfaces should be regreased only with Anti Seize which should likewise be applied to threads and screw head bearing surface Ameridrives Bibby 512 353 4000 P 5022 TBW e 4 15 11 Altra Industrial Motion All Customer Service phone numbers shown in bold Belted Drives and Sheaves Couplings Cont Engineered Bearing Assemblies Heavy Duty Clutches and Brakes Cont TB Wood s Belted Drives2. Chambersburg PA USA 1 888 829 6637 Press 5 For application assistance 1 888 829 6637 Press 7 Couplings Ameridrives Couplings Mill Spindles Ameriflex Ameridise Erie PA USA 1 814 480 5000 Gear Couplings San Marcos TX USA 1 800 458 0887 Ameridrives Power Transmission Universal Joints Drive Shafts Mill Gear Couplings Green Bay WI USA 1 920 593 2444 Bibby Turboflex Disc Gear Grid Couplings Overload Clutches Dewsbury England 44 0 1924 460801 Boksburg South Africa 27 0 11 918 4270 Guardian Couplings Engineered Flywheel Couplings Engine Housings and Pump Mounts Flexible Shaft Couplings Michigan City IN USA 1 219 874 5248 Huco Dynatork Precision Couplings and Air Motors Hertford England 44 0 1992 501900 Chambersburg PA USA 1 888 829 6637 TB Wood s Incorporated www tbwoods com 2000 Clovis Barker Road San Marcos TX 78666 512 353 4000 Fax 512 353 4017 P 5022 TBW 4 15 Printed in USA Lamiflex Couplings Flexible Couplings Bearing Isolators and Coupling Guards Cotia SP Brasil 55 11 4615 6300 TB Wood s Elastomeric Couplings Chambersburg PA USA 1 888 829 6637 Press 5 For application assistance 1 888 829 6637 Press 7 General Purpose Disc Couplings San Marcos TX USA 1 888 449 9439 Electromagnetic Clutches and Brakes Inertia Dynamics Spring Set Brakes Power On and Wrap Spring Clutch Brake
3. Max Axial Deflection at full Angular Misalignment in Point B 4 Axial Thrust Ibf Per Assembly 118 1124 Radial Angle 1 Angle 2 For general Safety Alignment and Maintenance Instructions see other sections of this manual IMPORTANT The main Coupling Bolts Nuts at both ends are tightened by Ameridrives Bibby and should under normal circumstances NOT BE TOUCHED unless specified in the installation instructions When tightening any other bolt or screw this should be done evenly i e cylinder head fashion to 50 torque then to 100 torque in the same sequence Threads should be lubricated with Molybdenum Disulphide grease or equivalent Reference table 6 for tightening torques P 5022 TBW 4 15 7 Check that the parallel amp and axial misalignments of the shafts are within the limits defined in the alignment curves section 7 4 Figure 2 Ameridrives e Bibby do not recommend any specific alignment method as this varies due to personnel preference however the alignment should be within the operational envelope shown on the misalignment curve 8 1 Reference any applicable drawings for sizes and dimensions Ensure that all required tools and equipment are available 8 2 The coupling is supplied in an assembled state with its misalignment capabilities locked by installation screws near the element packs The coupling is packed appropriately for transportation and storage Inspect the coupling fo
4. TX USA 1 800 964 3262 Bedford England 44 0 1234 350311 Linear Products Warner Linear Linear Actuators Belvidere IL USA 1 800 825 6544 For application assistance 1 800 825 9050 Saint Barth l my d Anjou France 33 0 2 41 21 24 24 Overrunning Clutches Formsprag Clutch Overrunning Clutches and Holdbacks Warren MI USA 1 800 348 0881 Press 1 For application assistance 1 800 348 0881 Press 2 Marland Clutch Roller Ramp and Sprag Type Overrunning Clutches and Backstops South Beloit IL USA 1 800 216 3515 Stieber Clutch Overrunning Clutches and Holdbacks Heidelberg Germany 49 0 6221 30470 For information concerning our sales offices in Asia Pacific check our website www altramotion com cn An Altra Industrial Motion Company Altra Industrial Motion www altramotion com
5. Torsiflex Coupling Service amp Installation Instructions P 5022 TBW TB Wood s Incorporated An Altra Industrial Motion Company Contents fabs O P42 dots e Cd 18 Description ofGouping s ae a See non electrical equipment ee eT R Soc a Ee C zo __ Alignmentinstructions 6 C a _ AlignmentMetiod f 7 8 Parallel Radial Angular Alignment 7 e e e Misalignaen Limits s So aS eee Se 9 0 __ Removalinstrustions o It is essential that a competent person carry out all the instructions contained in the following documents Should any problems be anticipated or encountered then TB Wood s personnel are available for site visits or alternatively repairs and overhauls can be undertaken in our facility Prior to performing any maintenance work including inspections it is essential that the power supply is isolated and that no accidental movement of rotating machinery is possible This product is designed for a specific purpose It is vital that it is not used for any purpose other than that for which it is designed and supplied and that the limits of it s capacities as detailed here or in any other document are not exceeded No liability will be accepted and any warranty either expressed or implied will be null and void should any component of whatever kind including nuts bolts and washers be used in the assembly or modifications be made to all o
6. azardous area is contrary to ATEX and in doing so becomes an explosive hazard and is wholly the end users responsibility 6 Maintenance Instructions General maintenance of the coupling consists of a check of the following during normal machinery maintenance schedules API617 references this time period as 3 years for compressor applications Axial Angular amp Parallel misalignment to ensure that these are still within the acceptable limits and that no major movements have occurred All bolts to ensure that they are correetly tightened Inspect the flexible elements visually for signs of fatigue cracking local to the washer anchoring points or general signs of fretting corrosion Slight bowing or S like distortion is not detrimental to the operation of the unit Note that any cracking will begin at the outermost edge of the outside blade This means that Ameridrives Bibby 512 353 4000 this inspection is still possible without disturbing the element bolting The element packs should be replaced at the earliest opportunity should cracking damage be detected Ameridrives Bibby uses self locking nuts This gives a high level of performance over many reinstallations Note Any requirement for spare parts should be made quoting the original purchasers original purchase order number and the coupling serial number This will be etched on the major coupling flanges and will appear on all documentation 7 Align
7. e maximum amount of compression allowed per element pack However it is recommended to use the minimum amount of compression required when installing couplings Table 5 Coupling Size TFI Maximum Compressions in per element pack 8 13 Position the transmission unit between the shaft ends hub faces ensuring match marks are aligned 8 14 Fit and tighten in cylinder head fashion the connecting bolts that pass through the packing ring and shims Reference table 6 for tightening torques 8 15 Release and remove the installation screws 8 16 Fit and tighten in cylinder head fashion the attachment screws that pass through the remaining flange If a pre stretch is present it may be necessary to pull the flanges together using the attachment screws Reference table 6 for tightening torques Ameridrives Bibby 512 353 4000 8 17 Ensure all match marks are aligned all tooling is removed and inspect the coupling before operation 9 0 Removal Instructions Coupling removal is a reverse of the above installation process ensuring that upon re installation the above process is again followed in careful sequence Table 6 When tightening any other bolt or screw this should be done evenly i e cylinder head fashion to 50 torque then to 100 torque in the same sequence Threads should be lubricated with Molybdenum Disulphide grease or equivalent IMPORTANT The main Coupling Bolts Nuts at both ends are tightened by Am
8. eridrives Bibby and should under normal circumstances NOT BE TOUCHED unless specified in the installation instructions Table 6 Hub Disc Pack Bolting Attachment Alternate Bolt E ee aI ooo 7 oo as a a EL e v e n n Coupling Size o j oo j a P 5022 TBW 4 15 9 TORSI LOCK Shrink Disc Mounting Instructions Notes The shrink rings are supplied assembled and ready to mount Only the larger units where the weights involved make handling difficult should be disassembled to facilitate mounting Mounting Instructions 1 Remove any spacers which may have been ar ranged between the pressure rings as protection during transport The screws should only be tightened to such a degree that the inner ring can still be turned freely Apply grease to the surface of the hub on which the shrink ring seats Push the shrink ring onto the hub Attention Do not begin tightening the screws before the shaft is in place in the hub bore otherwise permanent deformation will result Push the hub onto the shaft both contact surfaces beeing ungreased Make sure the shrink ring is aligned i e the pressure rings are in parallel planes by tightening the screws with a short wrench Tighten the ring by tensioning the screws evenly one after the other in a clockwise direction not in a crosswise fashion It will be necessary to go round several times before all the screws are torqued down to the
9. hat one shaft rotates so that the coupling match marks can be aligned 8 6 Check the shafts misalignments and DBSE distance between shaft ends are within allowable limits Reference Section 7 4 8 7 The main bolts in the transmission unit are factory assembled and must not be disturbed Undo the installation screws the coupling should now be in a relaxed state If no packing ring or shims are supplied go to step 8 12 8 8 Measure the free length of the transmission unit Add to this the thickness of the packing plate Record this value as X 8 9 Now measure the distance between the shaft ends DBSE of the machinery Adjust this length by either subtracting pre stretch or adding pre compression Record this value as Y 8 10 Calculate the required number of shims from the following equation Number of shims Y X shim thickness Round this value to a whole number of shims Shim thickness is 0 015 inches P 5022 TBW 4 15 8 11 Fit shims between packing ring and the transmission unit Ensure match marks are aligned 8 12 Install the installation screws Ref 10 and tighten in cylinder head fashion maintaining parallelism between the flange faces of the adaptor and spacer until both elements packs are compressed by a minimum required amount to allow the transmission unit to be put into position Do not compress the elements beyond the value stated in Maximum Element Compression Values These values express th
10. ign is identical to a large number of units supplied and fitted for many years by Turboflex Ameridrives Bibby 512 353 4000 P 5022 TBW e 4 15 3 Torque Rating Sz 32 3 2 390 12 391 12 000 Max Bore Weight Transmission Weight Unbored Reduced Key Unit Ib Hub Ib 2 Weight Standard Large Min DBSE 2 2 1 81 2 25 47 57 2 38 61 23 013 10 000 ac J IE om ras oe Pen os AE efe JE Fae fare Powe ow om ee Por ano ow oso oo son ome Pom a or oo roe am we a om 2 Operating Conditions In operation the flexible elements are subjected to both tensile and bending stresses each having an influence on the allowable magnitude of the other It is important therefore that the operating limits of the various deflections for which the coupling is designed to accommodate are kept as far as practicable within those indicated on the Allowable Misalignment Curve In practice the initial alignment of the coupling should be as close as possible and within the alignment limits given in the section 8 0 Installation Instructions This will allow for changes during operation to remain within allowable limits As the Ameridrives Bibby units are designed to transmit the torque in friction between the driving and driven bolts and the flexible elements it is essential that should the need arise these bolts should be correctly tightened to the torque indica
11. in the flexible element is made smaller than that of the mating holes in the adjacent components On assembly all inherent clearances are therefore eliminated OA Coupling bolts are sized such that they are capable of inducing a load equivalent to 4 times the tensile load in the flexible element discs between driving Figure 1 and driven bolt when transmitting the full rated continuous torque of the coupling This assumes a coefficient of friction between the various components of 0 25 but experience has shown that due to the high loads induced minute compressive deformation is sufficient to raise this to about 0 3 The reason for adopting this principle of using large highly loaded bolts is two fold a to prevent interface slip as already mentioned and b to eliminate any chance of bolt bending due to the overhung radial loading imposed by the flexible element Avoiding either slip or bending helps to avoid fretting which occurs when bolts are designed only to drive in shear Pairs of coupling washers are used to sandwich the disc packs one thin the element washer and one thick the overload washer The overload washers locate in close clearance holes in the coupling adaptor plates In the unlikely event of a severe overload the overload washers will contact the side of the clearance hole thus preventing failure of the elements and ensuring drive is maintained In general the des
12. le in contact with the flange face the other side of the flexible element as near the outside periphery as possible Rotate the machinery amp coupling and locate the minimum reading position At this position set the dial reading to zero Rotate the machinery again and record the maximum reading over 360 degrees Divide this maximum value by the coupling flange diameter to gain a value in in in which should be no greater than that shown in Table 3 This should be repeated at both flexible elements in a spacer coupling An alternative method is where possible to accurately measure the distance across the flanges that sandwich the flexible element element gap to obtain a maximum and minimum value The difference between these two values should be divided by the flange outside diameter to obtain a value in in in which should be no greater than that shown in Table 3 This should be repeated at both flexible elements in a spacer coupling Table 3 No of Bolts Tolerance Element Gap TF10027 to TF11310 6 0 003 in in TF11900 to TFI2500 0 002 in in NOTE These values are intended as guides enly and in certain cases may be exceeded IF IN DOUBT CONTACT Ameridrives Bibby 6 Ameridrives Bibby 512 353 4000 7 4 Installation and Operating Misalignment Limits The following curve shows the general allowable running misalignment limits Allowable Misalignments for Disc Couplings A B Combined Angular Para
13. llel Misalignment Axial Deflection Figure 2 See next page to identify reference points Combined angular radial misalignment 1 degree angle is equivalent to 0 17 in in At zero speed Static e o P gt At maximum speed and continuous rated torque The coupling shall operate within this envelope below the allowable misalignment curve and providing these limits are not exceeded at any time the coupling should enjoy a trouble free life P 5022 TBW 4 15 Table 4 TFI Misalignment Data Max Angular Bending Moment Coupling Misalignment Deg ft lb deg Size TFI Per Element 12000 7 5 Limited End Float Couplings N B In the case of special limited end float LEF versions the amount of axial movement is physically restricted and therefore the values shown in the above table do not apply In these cases please refer to the coupling drawing for reference to the amount of axial movement the coupling is capable of 8 0 Installation Instructions No liability will be accepted and any warranty either expressed or implied will be null and void should any components of whatsoever kind including nuts bolts and washers be used in the assembly or any modifications be made to all or part of the unit which are not supplied specified or agreed by Ameridrives Bibby Ameridrives Bibby 512 353 4000 Max Axial Deflection Zero Angular Misalignment in Point ATO Max Axial Thrust Ibf
14. ment Instructions Torsiflex will accept substantial amounts of misalignment the configuration of each individual unit defining the actual acceptable level The allowable misalignment is shown graphically on a curve section 7 4 This curve shows the maximum permitted level of misalignment for operation and is NOT intended to define set up limits 7 1 Alignment Method Each company has its own method for aligning machinery all of which are well documented in both internal and freely available documents and books Hence it is not our intention to describe methods for setting machines Instead the following gives guidelines for quick checks for alignment suitable after initial installation and for general maintenance checks 7 2 Axial Alignment The suggested limits for axial set up distance between the machinery shafts are as shown in Table 2 Table 2 No of Bolts Tolerance on DBSE TF10027 to TF11310 6 0 012 in TF11900 to TFI2500 0 010 in P 5022 TBW 4 15 5 7 3 Parallel Radial Angular Alignment Having basically aligned the machinery shafts using one of the established techniques the coupling may be installed as per the instructions It is then worth performing a check to establish that the overall alignment is correct for the particular coupling This may be simply performed by one of the following two methods Attach a dial indicator securely to the back of one of the coupling flanges with the need
15. nced refer to section 8 figure 3 for definition of Transmission Unit P 5022 TBW e 4 15 1 3 Description of Couplings 1 4 Torsiflex Coupling Data The Torsiflex coupling is of the dry disc type Specifically designed for the process pump and Flexibility is obtained by the deformation of the disc general industrial markets packs within defined limits which are separated by a e Plug in ign allows installati tubular spacer ug in design allows installation and removal without disturbing the hubs Individual discs are of regular polygonal profiles which are assembled into a stack of previously e Standard couplings fully compliant with the designated thickness supported by washers on requirements of API 610 each side Flexibility is accomplished by connecting through the holes on a common bolt circle diameter by means of bolts alternately to driving and driven e Compliance with API 671 ISO 10441 available components Incorporates anti flail feature e Large hubs available on first two sizes The bolts washers and associated holes are machined to close limits associated with fitted bolts Due to the need for reasonable ease of assembly interference fits are undesirable and consequently tolerances are such as to allow fora close slide or slight transition fit To compensate for these clearances and to ensure the best possible concentricity between components the bolt circle diameter of the bolt holes
16. r Indication of deviation from specification to ensure that it conforms to requirements Potential damage due to transportation 8 3 For balanced couplings note any match markings which must be aligned when the coupling is installed TRANSMISSION UNIT HUB 11 12 iii o g DEDA DA DA Figure 3 Coupling Construction Component Parts Hubs Spacer Adaptor Element Washer Element Washers Element Blades Coupling Bolt Coupling Nuts Attachment Screws 10 Installation Screws 11 Shims 12 Packing Plate O NOI p N 8 Ameridrives Bibby 512 353 4000 8 4 The Torsiflex I coupling hubs must be removed from the transmissions unit see figure 3 to allow installation Remove the connecting nuts and bolts from the hub adaptor flanges and using jacking screws force the flanges apart Store the nuts and bolts along with the packing ring and shims if supplied for future stages of installation 8 5 The hubs may now be fitted to the driver and driven shafts The method of fitting will be dependant on the type of fit specified for the particular installation In all cases the hub face should be in line with the shaft end Where hub shaft connections require a standard interference fit the hubs may be heated in an oil bath or oven at 392 482 F 200 250 C and rapidly positioned on the shaft It is essential that this heat is evenly applied over the whole hub and that spot heating is avoided Ensure t
17. r part of the product which are not supplied specified or agreed by TB Wood s 2 Ameridrives Bibby 512 353 4000 The following instructions should be read and understood prior to starting any assembly or maintenance work on the Torsiflex I disc coupling Prior to fitting any component care should be taken to ensure that it is clean and free from any dirt When tightening any bolts or screws this should be done evenly cylinder head fashion to 50 torque then to 100 torque in the same sequence Where specified it is essential that torque tightening figures are not exceeded nor should it be allowed for them to be below specification While installing and removing the transmission unit the unit should be supported to ensure that the weight is not imposed on one side only Record the TB Wood s order number coupling type and size and any relevant information for future use Contact TB Wood s for repair work and spare components Do not use any components that are not supplied or approved by TB Wood s in the assembly of this product Do not attempt where the weight of the unit is excessive to lift the coupling without the use of lifting equipment The inherent balance of these couplings could be disturbed if they are allowed to be knocked either by striking or rolling Care should be taken when transporting and fitting to avoid such knocks This is particularly important when a coupling is specifically bala
18. s New Hartford CT USA 1 800 800 6445 Matrix International Electromagnetic Clutches and Brakes Pressure Operated Clutches and Brakes Brechin Scotland 44 0 1356 602000 New Hartford CT USA 1 800 825 6544 Warner Electric Electromagnetic Clutches and Brakes New Hartford CT USA 1 800 825 6544 For application assistance 1 800 825 9050 Saint Barth l my d Anjou France 33 0 2 41 21 24 24 Precision Electric Coils and Electromagnetic Clutches and Brakes Columbia City IN USA 1 260 244 6183 Kilian Manufacturing Engineered Bearing Assemblies Syracuse NY USA 1 315 432 0700 Bauer Gear Motor Geared Motors Esslingen Germany 49 711 3518 0 Somerset NJ USA 1 732 469 8770 Boston Gear Enclosed and Open Gearing Electrical and Mechanical P T Components Charlotte NC USA 1 800 825 6544 For application assistance 1 800 816 5608 Nuttall Gear and Delroyd Worm Gear Worm Gear and Helical Speed Reducers Niagara Falls NY USA 1 716 298 4100 Heavy Duty Clutches and Brakes Industrial Clutch Pneumatic and Oil Immersed Clutches and Brakes Waukesha WI USA 1 262 547 3357 Svendborg Brakes Industrial Brakes and Brake Systems Vejstrup Denmark 45 63 255 255 Twiflex Limited Caliper Brakes and Thrusters Wichita Falls TX USA 1 844 723 3483 Twickenham England 44 0 20 8894 1161 Wichita Clutch Pneumatic Clutches and Brakes Wichita Falls
19. ted on the assembly drawing or in the Installation and Maintenance Instructions Torque and speed should remain within the originally specified conditions 4 Ameridrives Bibby 512 353 4000 752 335 17 44 33 07 10 24 14 37 12 60 1685 1 062 120 era 11 50 16 02 13 39 11 50 r Large 1 The Late a esa features such as packing rings shims and or electrical insulation will increase the minimum DBSE Distance Between Shaft Ends 2 For Finish Bore Hub weight Weight Unbored hub 222 Hub Length Bore Dia 2 3 Product identification marking for non electrical equipment Scope Torsiflex Disc Coupling Assemblies excluding component spares Equipment manufactured or supplied by Ameridrives e Bibby is marked legibly and indelibly in a variety of ways with the following Subject to contractual obligations permitting e Name and telephone number of manufacturer e Designation of the series or type and size Part Number e Contract Order Number and if applicable the unique serial number If applicable for equipment intended for use in potentially explosive atmospheres the following will be marked on the equipment in accordance with the ATEX Directive 94 9 EC and EN 13463 1 Name and address of manufacturer e Designation of the series or type and size Part Number e Contract Order Number and if applicable the unique serial number e CE Mark e Year of construction e Document of Conformity iden
20. tification to ATEX Directive P 5022 TBW 4 15 The specific marking of explosion protection Ex followed by the symbol of the equipment group and category e The letter G concerning explosive atmospheres caused by gases vapors or mists and or the letter D concerning explosive atmospheres caused by dust e The letter c for constructional safety e The ambient temperature range when different to 328 F to 725 F 200 C to 400 C 4 Limitations of product use Unless otherwise agreed with Ameridrives Bibby these products must be selected in accordance with the recommended selection procedure and must only be used within the performance criteria set out below The rated torque capacities which are stated in the product catalogue and or product arrangement drawing A continuous temperature range of 4 F 20 C to 300 F 149 C within the permissible operating limits for angular radial and axial misalignment section 7 5 Table 4 and standard hardware High temperature designs available for temperatures up to 536 F 280 C 5 Product servicing Although with proper selection and careful installation a long working life and very high degree of operational safety can be expected we would recommend that for ATEX certified couplings the element assembly coupling bolts and attachment screws are replaced at 50000 operational hour intervals The operation of a damaged coupling in a h
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