US Nor-Mex. Elastomer Jaw Couplings. Partner for Performance
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1 US Nor-Mex lastomer Jaw Couplings Partner for Performance
2 Welcome to your system supplier for every aspect of power transmission Today s RINGFDR POWR TRANSMISSION GMBH was founded in 1922 in Krefeld, Germany as company for Friction Springs. Today we are a global supplier of top-quality products for the power transmission- and damping technology industries. RINGFDR POWR TRANS- MISSION is one of the leading companies in selected market niches. Through our sustainable, organic growth, targeted acquisitions and attentive proximity to our customers, we are constantly supplementing and developing our range of products in cooperation with our customers and deliver service for the future. Beyond that, RINGFDR POWR TRANS- MISSION is one of the prime addresses in regard to technical know-how for our discerning customers. 2
3 Mars Rover: Courtesy NASA/ JP-Caltech Our world-renowned German brands RINGFDR, TSCHAN and GRWAH stand for customer-oriented solutions that fulfil the highest requirements and guarantee our customers a trouble-free system operation. Under the brand name COOC we offer reliable products off the shelf. The brand RINGFDR is world s leading in the sector of locking devices and damping technology. The GRWAH brand stands for torsionally rigid, elastic couplings as well as safety couplings in the lower torque range, whereas TSCHAN stands for non-shiftable elastic, highly-elastic and torsionally rigid shaft couplings in the higher torque range. The COOC brand includes cost-efficient alternatives from the premium range available for standard use. Hence, the product portfolio comprises high-quality products with the best cost-benefit ratio, covering all aspects of power transmission. 3
4 Content 2 Pages Corporate Image 4 Overview 6 Basics 7 Dimensioning of coupling 8 Technical installation instructions 9 Design 10 Classification for IC-Motors 12 Series 44 Online Service 46 Delivery Program RINGFDR POWR TRANSMISSION All technical details and information are non-binding and cannot be used as a basis for legal claims. The user is obligated to determine whether the represented products meet his requirements. We reserve the right at all times to carry out modifications in the interests of technical progress. Upon the issue of this catalogue all previous brochures and questionnaires on the products displayed are no longer valid. 4
5 Series Type Type H Page 12 Page 28 Type G Type Page 14 Page 32 Type TW1/TW2 Type G Page 16 Page 34 Type GTW1/GTW2 Type K Page 20 Page 36 Type BT Type KG Page 24 Page 38 Type GBT Type GHBS Page 26 Page 40 5
6 Basics Introduction The rotationally resilient coupling of the TSCHAN Nor-Mex series is flexible in all directions and therefore compensates for angular, parallel and axial shaft misalignments of the connected machines. Misalignments can be caused, for example, by inaccurate assembly, heat movements or settling phenomena. Avoiding torsional vibration By virtue of the rotational resilience of the coupling, dangerous torsional vibrations from the operational range of plant machinery can be transfer to rotational speed ranges in which no negative effects are to be expected. The elastic intermediate rings possess a high material damping capability which makes it possible for the couplings to keep the resonance enhancements within limits when passing through dangerous speed ranges, thereby protecting the coupled machines against damage. The couplings also mitigate torque shocks and cause a vibrating system that has been excited by an impact to come to rest very quickly due to the material damping qualities. The conduction of structure-borne noise is prevented. lastomer materials Synthetic rubbers are used as base material for the elastic elements of the Nor-Mex couplings. As a rule these are electrically conductive and therefore prevent undesirable static charges. For the elastic elements of the TSCHAN Nor-Mex coupling series, there are two different material hardnesses available as standard. 1. Perbunan (Pb 7 with nitrile rubber (NBR) as the basic material and a hardness of 72 Shore A. 2. Perbunan (Pb 8 with nitrile rubber (NBR) as the basic material and a hardness of 82 Shore A. The resilience of the individual elastomer materials is designated by their shore hardness. From these values an indirect conclusion can be drawn with respect to the torques the coupling is able to transmit and its spring stiffness. For further details, please see the technical data sheet. nvironmental conditions The employed elastomer materials operate reliably in ambient temperature ranges of 30 C to +100 C. Please contact RINGFDR POWR TRANSMISSION if higher ambient temperatures are involved. The influence of the temperature on the coupling size selection is explained in more detail in the below-mentioned design directives. It is only allowed to operate the coupling in normal industrial air. Aggressive media may attack the coupling components, bolts and elastic elements and therefore present a danger to the operational safety of the coupling. The coupling can be certified in accordance with the uropean Directive 94/9/ C, also known as ATX95. Please contact RINGFDR POWR TRANSMISSION regarding the declaration of conformity according to 94/9/C and the effects of aggressive ambient media. Ambient temperature range [ C] Drive side Minimum load factor S A -Motor, turbine 1 Hydraulic motor 1,1 Combustion machine 4 and more cylinders, U-degrees 1:100 1,2 (DSR)* Combustion machine 1 to 3 cylinders, U-degree > 1:100 1,4 (DSR)* Torque characteristics at operating point on outputside Constant, uniform, without torque variation Uniform with little variations, slight shocks Non-uniform, also API-671, API-610, moderate shocks Non-uniform, fluctuant, heavy shocks Other torque characteristics S = oad factor of output side Torque characteristics a) T (Nm) b) T (Nm) c) T (Nm) d) T (Nm) Temperature factor S for intermediate ring materials Pb72, Pb82 (NBR) -30 < < < < < < < < +80 1,2 +80 < < ,3 >100 On request S = Temperature factor depending on intermediate ring materials S A = oad factor of drive side: *We recommend for drivers with combustion machines to examine by a DSR - torsional vibration calculation which coupling is suitable for the application! t (sec) t (sec) t (sec) t (sec) Minimum load factor S 1 1,25 1,5 1,75 Own specification/ personal vibration calculation 6
7 Basics Dimensioning of coupling - design directives The dimensioning of the elastic TSCHAN couplings is based on the nominal torque T N and maximum impact torque T max of the machines. T N = Nominal torque of machine [Nm] P N = Machine power [kw] n N = Operating speed [min -1 ] T N = 9550 P N / n N (1) The following equation applies when subjected to the nominal torque: T KN > T N S S f ( T KN = Nominal torque of coupling [Nm] acc. to catalogue data T N = Nominal torque of machine [Nm] acc. to equation (1) S = Temperature factor [-] according to table S f = Service factor [-] S A S S A = oad factor of drive side S = oad factor of output side Verifying the maximum torque of the coupling: The following equation applies for transient impact torques, which occur e.g. by starting an electric motor. T Kmax > T max S S Z ( T Kmax = Maximum torque of the coupling [Nm] according to catalogue T max = Maximum impact torque of machine [Nm] (e.g. when starting an electric motor: T max = T Kipp T Kipp = Tipping torque by starting with directly engaged asynchronous motor e.g. T Kipp ~ 2,5 T; observe details of motor producer) Start-ups per hour [1/h] Start-up factor S Z < ,3 >240 On request S Z = Start-up factor Check the power transmission capability of the shaft-hubconnection. The nominal torques stated in the tables will be reliably transmitted by the couplings. The introduction of the torque into the coupling hub has to be verified by the user of the coupling according to recognized rules of technology. If necessary, the second key is to be offset by 180. Observe the maximum permissible speed of the coupling. Check whether balancing is necessary. We advise to balance the coupling parts or sub assemblies if the circum ferential speed at the outer diameter exceeds 22 m/s. Balancing can only be performed on couplings with finish-bores. Unless otherwise specified, the half-key convention applies, so that the coupling hubs are balanced prior to producing the keyways. Required are balancing quality and balancing speed. Dimensioning example xample for dimensioning a coupling for a pump drive with electric motor type IC 225 M; preselected type: TSCHAN Nor-Mex G Input power P N = 45 kw Operating speed n N = 1480 min -1 Nominal torque TN = 9550 P N / n = / 1480 = 290 Nm Ambient temperatur = 65 C Acc. to equation (1) Temperature factor S = 1,2 Pb72 oad factor Drive motor oad factor of drive side S A = Working machine oad factor of output side S = Directly engaged asynchronous motor ( -connection) 1 Centrifugal pump - torque characteristics uniform with little variations, skight shocks Required nominal torque of the coupling T KN > T N S S f = 290 Nm 1,2 1,25 = 435 Nm S Z = Start-up factor 1,25 Figure b) Acc. to equation ( Check selected coupling size Check whether the hub bore is able to accommodate the shaft diameters. The values of the maximum finish bores stated in the tables are applicable for keyed connections according to DIN 6885/1 and must not be exceeded. The dimension of coupling G 168 Pb72 is OK for the performance data and a nominal torque of 630 Nm is selected. The operating speed of 1480 min -1 results in a circumferential speed of 13 m/s. Therefore it is not necessary to balance the coupling parts. If the shaft-hub connections are dimensioned sufficiently, this coupling can be used. 7
8 Basics Technical installation instructions Arrangement of the coupling parts The coupling hubs have to be arranged on the shaft ends in accordance with the coupling type. In order to obtain a shaft-hub connection that is capable of carrying the load it is important to ensure that the hubs are pushed onto the shaft until the face of the hub is flush with the shaft end. Finished bore The stated values for the finished bore d 1f max /d 2f max are valid for a keyway according to DIN 6885/1 and must not be exceeded. To ensure true running, select the bore fit in such a manner that, when mating it with the shaft tolerance, a tight fit or light interference fit, such as e.g. H7/m6 or tighter, results. Fastening on a shaft If not specified TSCHAN couplings are usually supplied with keyways according to DIN 6885/1. In addition, the hub should be axially locked in position, for example by means of a set screw, or by means of distance rings in case of longer shaft ends. The key must be axially fixed in the shaft. Observe restoring forces The coupling compensates the permissible misalignments with low restoring forces. Please observe the alignment values specified in the assembly and operation manual. If highly loaded bearings are involved, the additional loads resulting from the restoring forces should be taken into consideration. In such cases, please contact RINGFDR POWR TRANSMISSION for more detailed information. Shaft end bearings The shaft ends to be coupled should be supported by bearings which are directly fitted in front and after the coupling. Attention! In the interest of further development, we reserve the right to make changes which serve technological progress. Carefully observe the actually instructions given in the relevant installation and operation manual, which can be downloaded from our webpage Data overview: The technical data tables for the coupling types supplied in this catalogue include elastic elements that are available in two different shore hardness values (Pb72 and Pb8. The higher the hardness of the elastic elements, the higher the torque transmission capability of the coupling and as a result the higher is the spring stiffness. The rated torque T KN listed in the tables is the torque that the coupling is capable of transmitting continuously. The maximum torque T Kmax is the torque that the coupling is able to transmit for short periods, e.g. during start-up. When the hard elastic element of Pb82 is used for multi-part coupling designs, it has to be taken into account that the maximum transmittable torque (T KGmax ) is reduced. In these cases, T Kmax is limited by the frictional engagement between the coupling hub and the claw ring. Torsional vibration analyses (DSR) are performed by specialists to optimize the drive line. To this purpose, a detailed description of the oscillatory system is required, including the mechanical arrangement (spring-mass system) as well as the plant-related excitation functions. The specific coupling data such as stiffness, damping and mass moments of inertia will be supplied on request. Data overview T KN = Nominal torque of coupling T Kmax = Max. torque of the coupling by one part design T KGmax = Max. torque of the coupling by multi-part design Size Speed Torque with intermediate ring Pb72 Pb82 n max T KN T Kmax T KN T Kmax T KGmax rpm ft-lbs ft-lbs ft-lbs ft-lbs ft-lbs
9 Basics Principle of the one-part design lastic elements replacement requires extensive dismounting operations as the driving and driven machines have to be moved axially. Principle of the multi-part design lastic elements replacement only requires a minimum of work and the driving and driven machines do not need to be axially displaced. 9
10 Basics Classification of the Nor-Mex -Couplings for IC-Motors Size Motor n=3.000 min -1 Coupling size n=1.500 min -1 Coupling size n=1.000 min -1 Coupling size n=750 min -1 Coupling size Cyl. shaft end d x by rotary speed of kw kw kw kw = 3000 min min , , , x20 9x , , , x20 9x , , , x23 11x , , , x23 11x , , , , x30 14x , , , , x30 14x , , , , x40 19x ,1 50 0, , , x40 19x40 90 S 1,5 67 1,1 67 0, , x50 24x ,2 67 1,5 67 1,1 67 0, x50 24x ,2 82 1,5 67 0, x60 28x , x60 28x M ,2 82 1, x60 28x S 5,5 97 5, , x80 38x S 7, x80 38x M - - 7, x80 38x M , x110 42x M , x110 42x M , x110 42x , , x110 48x M , x110 48x x110 55x , x110 55x x140 60x S , x140 60x M x140 65x M x140 75x S x140 75x M x170 80x S x170 80x M x170 80x x170 80x x170 80x x170 80x x170 85x x170 85x x170 95x x170 95x x170 95x x x x x x x x x x x x x210 10
11 Pumps 11
12 lastomer Jaw Couplings TSCHAN Nor-Mex One-part design with 2 identical coupling hubs Coupling hub in grey cast iron, size 480 and 575 in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs T KNPb72 T KNPb82 n max d 1f max d 2f max = Outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier T KNPb72 T KNPb82 n max d 1f max d 2f max inch ft-lbs ft-lbs rpm inch inch inch WN WN WN WN WN WN WN WN WN , WN ,106 1, WN ,770 2, WN ,729 4, WN ,614 5, WN ,720 7, WN ,564 10, WN ,736 15, WN ,276 20, WN ,914 30, Ordering example: Nor-Mex Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 12
13 TSCHAN Nor-Mex 3 3 a b C 1 3 F Gwa Gw ub = Guided length in hub boring = Total length = Section length of hub = Gap width between left and right component = Tolerance of the gap width = Weight of subassembly a = Weight, unbored d 1f C 1 C 1 d 2f Sectional view Identifier C 1 3 F Gwa 1) Gw ub inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / , ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 13
14 lastomer Jaw Couplings TSCHAN Nor-Mex G Multi-part design, to change the intermediate ring without axial movement of the driven parts Coupling hub and claw ring in grey cast iron, size 480 and 575 in nodular cast iron, Flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs T KNPb72 T KNPb82 n max d 1f max d 2f max D 4 C 1 = Outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other = Guided length in hub boring Size Identifier T KNPb72 T KNPb82 n max d 1f max d 2f max D 4 C 1 inch ft-lbs ft-lbs rpm inch inch inch inch inch WN WN WN WN WN WN WN , WN ,106 1, WN ,770 2, WN ,729 4, WN ,614 5, WN ,720 7, WN ,564 10, WN ,736 15, WN ,276 20, WN ,914 30, Ordering example: Nor-Mex G Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 14
15 TSCHAN Nor-Mex G C 2 = Guided length in hub boring d = Total length = ength of the hub = Section length of hub a b F = Gap width between left and right component = Tolerance of the gap width = Distance of the hubs C 1 C 2 F = Tolerance of the hub distance d 1f d 2f D 4 Gwa = Weight of subassembly a Gw ub = Weight, unbored Sectional view Identifier C F F Gwa 1) Gw ub inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / , ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 15
16 lastomer Jaw Couplings TSCHAN Nor-Mex TW1/TW2 One part design with brake disc in nodular cast iron Coupling hubs in grey cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max D 7 = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T 4) BR n max d 1f max d 2f max D 7 inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN WN WN WN WN , WN , WN ,217 2, WN ,217 2, WN ,106 1,770 2, WN ,106 1,770 2, WN ,770 2,729 3, WN ,770 2,729 3, Ordering example: Nor-Mex TW Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 16
17 TSCHAN Nor-Mex TW1/TW2 C TW1 SB C 1 = Guided length in hub boring C WT2 = Total length TW 2 TW = ength of the hub = Section length of hub C TW1 = Distance when using brake disc assembly TW1 C TW2 = Distance when using brake disc assembly TW2 3 2 D 6 F = Diameter = Gap width between left and right component = Tolerance of the gap width A D 6 D 7 d 1f C 1 a C 1 b d 2f Gw BS Gw ub = Weight of part with brake disc, unbored = Weight, unbored Sectional view Identifier C C 1) TW1 C 1) TW2 D 6 F Gw BS Gw ub inch inch inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / To continue see next page 1) Assembly of brake disc optionally, standard combination TW1, otherwise TW2 Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 17
18 lastomer Jaw Couplings TSCHAN Nor-Mex TW1/TW2 One part design with brake disc in nodular cast iron Coupling hubs in grey cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max D 7 = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T 4) BR n max d 1f max d 2f max D 7 inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN ,729 4,278 6, WN ,729 4,278 6, WN ,614 5,569 7, WN ,614 5,569 7, WN ,720 7,302 7, WN ,720 7,302 7, WN ,564 10,326 9, WN ,564 10,326 9, WN ,736 15,120 11, WN ,736 15,120 11, WN ,736 15,120 11, WN ,736 15,120 11, Ordering example: Nor-Mex TW Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 18
19 TSCHAN Nor-Mex TW1/TW2 C TW1 SB C 1 = Guided length in hub boring C WT2 = Total length TW 2 TW = ength of the hub = Section length of hub C TW1 = Distance when using brake disc assembly TW1 3 2 C TW2 D 6 F = Distance when using brake disc assembly TW2 = Diameter = Gap width between left and right component = Tolerance of the gap width A D 6 D 7 d 1f C 1 a C 1 b d 2f Gw BS Gw ub = Weight of part with brake disc, unbored = Weight, unbored Sectional view Identifier C C 1) TW1 C 1) TW2 D 6 F Gw BS Gw ub inch inch inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / ) Assembly of brake disc optionally, standard combination TW1, otherwise TW2 Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 19
20 lastomer Jaw Couplings TSCHAN Nor-Mex GTW1/GTW2 Multi-part design, to change the intermediate ring without axial movement of the driven parts with brake disc in nodular cast iron Coupling hub and claw ring in grey cast iron, flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max D 4 D 7 = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T 4) BR n max d 1f max d 2f max D 4 D 7 inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN WN WN WN WN , WN , WN ,217 2, WN ,217 2, WN ,106 1,770 2, WN ,106 1,770 2, WN ,770 2,729 3, WN ,770 2,729 3, Ordering example: Nor-Mex GTW Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 20
21 TSCHAN Nor-Mex GTW1/GTW2 C GTW2 GTW 2 C GTW1 SB GTW 1 C 1 = Guided length in hub boring C 2 = Guided length in hub boring d 2 = Total length 2 = ength of the hub 3 = Section length of hub C GTW1 = Distance, when using brake disc assembly GTW1 C GTW2 = Distance, when using brake disc assembly GTW2 3 2 D 6 = Diameter = Gap width between left and right component F = Tolerance of the gap width A D 6 D 7 d 1f C 1 a C 2 b d 2f D 4 F Gw BS = Distance of the hubs = Tolerance of the hub distance = Weight of part with brake disc, unbored Sectional view Gw ub = Weight, unbored Identifier C 1 C C 1) GTW1 C 1) GTW2 D 6 F F Gw BS Gw ub inch inch inch inch inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / To continue see next page 1) Assembly of brake disc optionally, standard combination GTW1, otherwise GTW2 Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 21
22 lastomer Jaw Couplings TSCHAN Nor-Mex GTW1/GTW2 Multi-part design, to change the intermediate ring without axial movement of the driven parts with brake disc in nodular cast iron Coupling hub and claw ring in grey cast iron, flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max D 4 D 7 = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T 4) BR n max d 1f max d 2f max D 4 D 7 inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN ,729 4,278 6, WN ,729 4,278 6, WN ,614 5,569 7, WN ,614 5,569 7, WN ,720 7,302 7, WN ,720 7,302 7, WN ,564 10,326 9, WN ,564 10,326 9, WN ,736 15,120 11, WN ,736 15,120 11, WN ,736 15,120 11, WN ,736 15,120 11, Ordering example: Nor-Mex GTW Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 22
23 TSCHAN Nor-Mex GTW1/GTW2 C GTW2 GTW 2 C GTW1 SB GTW 1 C 1 = Guided length in hub boring C 2 = Guided length in hub boring d 2 = Total length 2 = ength of the hub 3 = Section length of hub C GTW1 = Distance, when using brake disc assembly GTW1 C GTW2 = Distance, when using brake disc assembly GTW2 3 2 D 6 = Diameter = Gap width between left and right component F = Tolerance of the gap width A D 6 D 7 d 1f C 1 a C 2 b d 2f D 4 F Gw BS = Distance of the hubs = Tolerance of the hub distance = Weight of part with brake disc, unbored Sectional view Gw ub = Weight, unbored Identifier C 1 C C 1) GTW1 C 1) GTW2 D 6 F F Gw BS Gw ub inch inch inch inch inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / ) Assembly of brake disc optionally, standard combination GTW1, otherwise GTW2 Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 23
24 lastomer Jaw Couplings TSCHAN Nor-Mex BT One part design with brake drum acc. to DIN Coupling hubs in grey cast iron Brake drum in nodular cast iron, other materials on request lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T 4) BR n max d 1f max d 2f max inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch WN WN WN WN , WN , WN ,217 2, WN ,106 1,770 2, WN ,106 1,770 2, WN ,770 2,729 3, WN ,770 2,729 3, WN ,729 4,278 6, WN ,614 5,569 7, WN ,614 5,569 7, WN ,720 7,302 7, WN ,720 7,302 7, WN ,564 10,326 9, WN ,736 15,120 11, Ordering example: Nor-Mex BT Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 24
25 TSCHAN Nor-Mex BT D 7 CB SB C 1 = Guided length in hub boring = Total length 2 = ength of the hub C B = Section length of hub = Brake disc distance = Gap width between left and right component F = Tolerance of the gap width A D 7 d 1f C 1 C 1 a b d 2f Gw BS Gw ub = Weight of part with brake disc, unbored = Weight, unbored Sectional view Identifier D 7 C C B F Gw 1) BS Gw ub inch inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 25
26 lastomer Jaw Couplings TSCHAN Nor-Mex GBT Multi-part design, to change the intermediate ring without axial movement of the driven parts with brake drum acc. to DIN Brake drum in nodular cast iron, other materials on request, coupling hub and claw ring in grey cast iron Flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron, lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max D 4 D 7 = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other Size Identifier A SB T KNPb72 T KNPb82 T BR 4) n max d 1f max d 2f max D 4 D 7 inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN WN WN WN , WN , WN ,217 2, WN ,106 1,770 2, WN ,106 1,770 2, WN ,770 2,729 3, WN ,770 2,729 3, WN ,729 4,278 6, WN ,614 5,569 7, WN ,614 5,569 7, WN ,720 7,302 7, WN ,720 7,302 7, WN ,564 10,326 9, WN ,736 15,120 11, Ordering example: Nor-Mex GBT Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 26
27 TSCHAN Nor-Mex GBT C 1 = Guided length in hub boring C 2 = Guided length in hub boring d 2 C B SB = Total length 2 = ength of the hub C B = Section length of hub = Brake disc distance = Gap width between left and right component F = Tolerance of the gap width A D 7 d 1f a C 1 C 2 b d 2f D 4 F Gw BS Gw ub = Distance of the hubs = Tolerance of the hub distance = Weight of part with brake disc, unbored = Weight, unbored Sectional view Identifier C 1 C C B F F Gw 1) BS Gw ub inch inch inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring. 27
28 lastomer Jaw Couplings TSCHAN Nor-Mex H Multi-part design, to remove the intermediate spacer. Disassembly of the pump impeller without axial movement of the driven parts Intermediate spacer in grey cast iron Flange hub in steel, from size 148 up in grey cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 T KNPb72 T KNPb82 n max d 1f max d 2f max = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other C 2 = Guided length in hub boring d 2 Size Identifier T KNPb72 T KNPb82 n max d 1f max d 2f max C 2 inch ft-lbs ft-lbs rpm inch inch inch inch WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN WN Ordering example: Nor-Mex H Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 28
29 TSCHAN Nor-Mex H = Total length 3 = Section length of hub D = Spacer length 3 D 3 = Spacer length F = Gap width between left and right component = Tolerance of the gap width d 1f C 2 C 2 a b d 2f Gw ZW Gw ub = Distance of the hubs = Spacer weight = Weight, unbored Sectional view Identifier 3 D F Gw 1) ZW Gw ub inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / To continue see next page 1) Mass information for unbored coupling parts Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 29
30 lastomer Jaw Couplings TSCHAN Nor-Mex H Multi-part design, to remove the intermediate spacer. Disassembly of the pump impeller without axial movement of the driven parts Intermediate spacer in grey cast iron Flange hub in steel, from size 148 up in grey cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 T KNPb72 T KNPb82 n max d 1f max d 2f max = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other C 2 = Guided length in hub boring d 2 Size Identifier T KNPb72 T KNPb82 n max d 1f max d 2f max C 2 inch ft-lbs ft-lbs rpm inch inch inch inch WN , WN , WN , WN , WN ,106 1, WN ,106 1, WN ,106 1, WN ,106 1, WN ,770 2, WN ,770 2, WN ,770 2, WN ,770 2, WN ,729 4, WN ,729 4, WN ,729 4, WN ,729 4, WN ,614 5, WN ,614 5, WN ,614 5, WN ,720 7, WN ,720 7, WN ,720 7, Ordering example: Nor-Mex H Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 30
31 TSCHAN Nor-Mex H = Total length 3 = Section length of hub D = Spacer length 3 D 3 = Spacer length F = Gap width between left and right component = Tolerance of the gap width d 1f C 2 C 2 a b d 2f Gw ZW Gw ub = Distance of the hubs = Spacer weight = Weight, unbored Sectional view Identifier 3 D F Gw 1) ZW Gw ub inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / ) Mass information for unbored coupling parts Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 31
32 lastomer Jaw Couplings TSCHAN Nor-Mex One part design with flange, externally centred Coupling in grey cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A T KNPb72 T KNPb82 n max d 2f max d 1 = Outer diameter = Max. outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 2f with keyway or other = Inner diameter D PC7 = Pitch circle diameter of bore holes d 7 Size Identifier A 4) T KNPb72 T KNPb82 n max d 2f max d 1 D PC7 inch inch ft-lbs ft-lbs rpm inch inch inch inch WN WN WN WN WN WN WN WN , WN ,106 1, WN ,770 2, WN ,729 4, WN ,614 5, WN ,720 7, WN ,564 10, WN ,736 15, WN ,276 20, WN ,914 30, Ordering example: Nor-Mex Identifier Pb d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 32
33 TSCHAN Nor-Mex F K d 7 = Bore diameter n b7 = Quantity of bore d 7 d 7 C 1 = Guided length in hub boring n b7 3 = Total length 3 = Section length of hub F K = Flange thickness = Gap width between left and right component F = Tolerance of the gap width A h8 D PC 7 d 1 H7 C 1 a d 2f Gw F Gw ub = Weight flange side = Weight, unbored Sectional view Identifier d 7 n b7 C 1 3 F K F Gw 1) F Gw ub inch pcs. inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Other flange dimensions on request Nor-Mex with SA flange on request 33
34 lastomer Jaw Couplings TSCHAN Nor-Mex G Multi-part design, to change the intermediate ring without axial movement of the driven parts with flange, externally centred Flange and claw ring in grey cast iron, Flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A T KNPb72 T KNPb82 n max d 2f max d 1 = Outer diameter = Max. outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 2f with keyway or other = Inner diameter D PC7 = Pitch circle diameter of bore holes d 7 d 7 = Bore diameter Size Identifier A 4) T KNPb72 T KNPb82 n max d 2f max d 1 D PC7 d 7 inch inch ft-lbs ft-lbs rpm inch inch inch inch inch WN WN WN WN WN WN WN , WN ,106 1, WN ,770 2, WN ,729 4, WN ,614 5, WN ,720 7, WN ,564 10, WN ,736 15, WN ,276 20, WN ,914 30, Ordering example: Nor-Mex G Identifier Pb d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 34
35 TSCHAN Nor-Mex G F K n b7 = Quantity of bore d 7 C 1 = Guided length in hub boring nb7 2 2 = Total length = ength of the hub F K = Flange thickness d 7 = Gap width between left and right component F = Tolerance of the gap width A h8 D PC7 d 1 H7 C 2 a d 2f F Gw F Gw ub = Distance of the hubs = Tolerance of the hub distance = Weight flange side = Weight, unbored Sectional view Identifier n b7 C 1 2 F K F F Gw 1) F Gw ub pcs. inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / WN / / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Other flange dimensions on request Nor-Mex with SA flange on request 35
36 lastomer Jaw Couplings TSCHAN Nor-Mex K One part design with flange, internally centred Coupling parts in grey cast iron, elastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A T KNPb72 T KNPb82 n max d 2f max d 1 d F = Outer diameter = Max. outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 2f with keyway or other = Inner diameter = Center diameter D PC7 = Pitch circle diameter of bore holes d 7 Size Identifier A 4) T KNPb72 T KNPb82 n max d 2f max d 1 d F D PC7 inch inch ft-lbs ft-lbs rpm inch inch inch inch inch WN WN , WN ,106 1, WN ,770 2, WN ,729 4, Ordering example: Nor-Mex K Identifier Pb d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 36
37 TSCHAN Nor-Mex K F K d 7 = Bore diameter n b7 d 7 3 n b7 = Quantity of bore d 7 C 1 = Guided length in hub boring = Total length 3 = Section length of hub Z F K = Flange thickness Z = Depth of center value = Gap width between left and right component A D PC7 d H7 F d 1 C 1 a d 2f F Gw F Gw ub = Tolerance of the gap width = Weight flange side = Weight, unbored Sectional view Identifier d 7 n b7 C 1 3 F K Z F Gw 1) F Gw ub inch pcs. inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Other flange dimensions on request 37
38 lastomer Jaw Couplings TSCHAN Nor-Mex KG Multi-part design, to change the intermediate ring without axial movement of the driven parts with flange, internally centred Flange and claw ring in grey cast iron, flange hub in steel, sizes 330, 370 and 415, however in nodular cast iron lastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A T KNPb72 T KNPb82 n max d 2f max d 1 d F = Outer diameter = Max. outer diameter = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Max. rotation speed = Max. bore diameter d 2f with keyway or other = Inner diameter = Center diameter D PC7 = Pitch circle diameter of bore holes d 7 d 7 = Bore diameter Identifier Size A 4) T KNPb72 T KNPb82 n max d 2f max d 1 d F D PC7 d 7 inch inch ft-lbs ft-lbs rpm inch inch inch inch inch inch WN WN , WN ,106 1, WN ,770 2, WN ,729 4, Ordering example: Nor-Mex KG Identifier Pb d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 38
39 TSCHAN Nor-Mex KG F K n b7 = Quantity of bore d 7 C 2 = Guided length in hub boring d 2 d7 = Total length 2 2 F K = ength of the hub = Flange thickness Z Z F = Depth of center value = Gap width between left and right component = Tolerance of the gap width A DPC7 df H7 d1 C 2 d2f D3 D8 F Gw F = Distance of the hubs = Tolerance of the hub distance = Weight flange side Sectional view Gw ub = Weight, unbored Identifier n b7 C 2 2 F K Z F F Gw 1) F Gw ub pcs. inch inch inch inch inch inch inch inch inch lbs lbs WN / / WN / / WN / / WN / / WN / / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Other flange dimensions on request 39
40 lastomer Jaw Couplings TSCHAN Nor-Mex GHBS With brake disc in steel, multi-part design, to change the intermediate ring and the brake disc without axial movement of the driven parts Claw rings in grey cast iron, hubs in steel, elastic intermediate ring in different hardnesses: standard Pb72, hard Pb82 Mass information for unbored coupling hubs A SB T KNPb72 T KNPb82 T BR n max d 1f max d 2f max C B = Outer diameter = Max. outer diameter = Disc width = Coupling nominal torque using element Pb72 = Coupling nominal torque using element Pb82 = Brake torque = Max. rotation speed = Max. bore diameter d 1f with keyway or other = Max. bore diameter d 2f with keyway or other = Brake disc distance Size Identifier A SB T KNPb72 T KNPb82 T BR 4) n max d 1f max d 2f max C B inch inch inch ft-lbs ft-lbs ft-lbs rpm inch inch inch inch WN WN , WN , WN , WN ,217 2, WN ,217 2, WN ,770 2,729 3, WN ,770 2,729 3, WN ,770 2,729 3, WN ,729 4,278 6, WN ,729 4,278 6, WN ,729 4,278 6, WN ,614 5,569 7, WN ,614 5,569 7, Ordering example: Nor-Mex GHBS Identifier Pb d 1f d 2f Further details*) WN * *) Without any other specification, we deliver as a standard: with set screws and keyway acc. to DIN , keyway side fit P9, bore tolerance H7 40
41 TSCHAN Nor-Mex GHBS D 4 D 7 C B C 1 = Guided length in hub boring SB C 2 = Guided length in hub boring d 2 = Total length 2 = ength of the hub 2 a 3 3 = Section length of hub = Gap width between left and right component F = Tolerance of the gap width = Distance of the hubs D 4 d 2f C 2 a C 1 b d 1f D 7 A Gwa Gw ubx = Weight of subassembly a = Weight, unbored Sectional view Identifier D 4 D 7 C 1 C F Gwa 1) Gw ubx inch inch inch inch inch inch inch inch inch inch lbs lbs WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / WN / ) Weight inclusive the half share of the intermediate ring Attention on peak load - take into account maximum torque notified in data overview page 8 Set screw on demand 4) Choose brake disc assembly in a way, that brake torque does not affect intermediate ring 41
42 Notes
43 Notes
44 Online Service Calculation program for ocking Assemblies and ocking lements In order to meet the complex requirements on the correct design and selection of RINGFDR products under practise-relevant demands, RINGFDR POWR TRANSMISSION has developed a calculation program. This calculation program offers the engineer a valuable aid in his or her daily work and simplifies the calculation of a wide range of tasks. Once a product and the desired product size have been selected the program carries out the calculation, taking into account additional user input e.g. transmissible torque and axial forces, resulting hub and shaft pressure, the outer diameter of the hub, the inner diameter of the hollow shaft and for special tasks even the forces and loads under bending moment loads. Interested? Visit our Website at 44
45 Online Service Our Website asily accessible information. RINGFDR POWR TRANSMISSION one of the top addresses for drive and damping technology in mechanical engineering. You can find first-hand service details and information on our website. It contains both details on our entire range of products and numerous documents such as product catalogues, data sheets and assembly instruction for you to download. Visit to get right up to date. Download area Product Range and catalogues Available Instructions for Installation, Removal and Maintaining 45
46 RINGFDR POWR TRANSMISSION ocking Devices ocking Assemblies ocking Assemblies for bending moments ocking Assemblies Stainless steel ocking lements Shrink Discs Flange Couplings Damping Technology Friction Springs DFORM plus DFORM plus R Special Solutions ocking Assemblies Shaft Couplings 46
47 Partner for Performance Couplings Torsionally Flexible Couplings Torsionally Flexible Couplings Torsionally Flexible Couplings Torsionally Rigid Gear Couplings Torsionally Rigid Barrel Coupling Couplings with variable Stiffness Couplings Metal Bellows Couplings Servo-Insert Couplings Safety Couplings ine Shafts Torsionally Rigid Disc Couplings 47
48 RINGFDR POWR TRANSMISSION GMBH Werner-Heisenberg-Straße 18, D Groß-Umstadt, Germany Phone: +49 (0) Fax: +49 (0) mail: RINGFDR POWR TRANSMISSION TSCHAN GMBH Zweibrücker Strasse 104, D Neunkirchen, Germany Phone: +49 (0) Fax: +49 (0) mail: RINGFDR POWR TRANSMISSION USA CORPORATION 165 Carver Avenue, Westwood, NJ 07675, USA Toll Free: Phone: Fax: mail: RINGFDR POWR TRANSMISSION INDIA PRIVAT IMITD Plot No. 4, Door No. 220, Mount - Poonamallee Road, Kattupakkam, Chennai , India Phone: +91 (0) Fax: +91 (0) mail: sales.india@ringfeder.com KUNSHAN RINGFDR POWR TRANSMISSION COMPANY IMITD No. 10 Dexin Road, Zhangpu Town , Kunshan, China Phone: +86 (0) Fax: +86 (0) mail: sales.china@ringfeder.com RINGFDR POWR TRANSMISSION
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