SHAFT FIXINGS SHAFT FIXINGS

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2 Shaft Fixings Design Data Required Shaft dimensions diameter and tolerance length Keyway details if present Torque to be transmitted Product hub details diameter length material (strength) Special considerations already taper bored? bending moments on the shaft SHAFT FIXINGS The extended range of Fenner shaft fixing devices offers the ideal means for every application. As well as the industrial standard Taper Lock bush, and associated hubs/adaptors, the Fenner keyless fixing device range includes FenLock fixings in most formats and the rapid fit Trantorque GT. Taper Lock Hubs and Adaptors 124 Taper Lock Metric Bushes 126 Taper Lock Inch Bushes 127 Taper Lock Engineering Data 128 Taper Lock Installation 129 Trantorque GT 130 Fenlock Cone Clamping Elements 132 Fenlock Cone Clamping Dimensions Page Section Drive Design & Maintenance Manual 123

3 6 Taper Lock Hubs and Adaptors BOLT-ON-HUBS Fenner Taper Lock Bolt-on Hubs are designed for use with the universally accepted Taper Lock bush. They provide a convenient means of securing fan rotors, impellers, agitators and other devices which must be fastened firmly to shafts. L1 L4 6 holes equally spaced to suit B dia. bolts Use Product Bush D 1 D 2 D 3 * D 4 D 5 Code Size Size 017C0010 BF G0010 BF K0010 BF M0010 BF P0010 BF *Bore tolerance of D 3 +0mm/-0.05mm is recommended D1 D5 L3 D4 D3 D2 L2 Use Product Bush L 1 L 2 L 3 L 4 B Code Size Size 017C0010 BF M6 017G0010 BF M6 017K0010 BF M8 017M0010 BF M10 017P0010 BF M16 ADAPTORS Adaptors for Fenner Taper Lock bushes are available for use in parallel bored components, either keyed (KM) or plain (PM) thereby eliminating the need to drill, tap and taper-bore. L1 Hub dia. D Product Hub Key Cast Iron Steel Code ref. L 1 D 2 Section BS1452 BS970Pt1 GG M20 030A PM A KM 5 x D2 D 030C PM C KM 6 x G PM G KM 10 x M PM M KM 16 x Q PM Q KM 20 x Hub ref. PM has Plain OD KM has Keywayed OD 030R PM R KM 22 x S PM S KM 24 x *Bore tolerance of D /+0.075mm recommended All dimensions in millimetres. 124 Drive Design & Maintenance Manual

4 WELD-ON-HUBS Fenner Taper Lock Weld-on Hubs are made of steel, grade 070M20, drilled, tapped and taper bored to receive standard Taper Lock bushes. The shouldered outer diameter provides a convenient means of welding hubs into fan rotors, steel pulleys, plate sprockets, impellers, agitators and many other devices which must be firmly fastened to the shaft. Product Size Use D 1 D 2 * D 3 L 1 L 2 L 3 Code Bush Size 025C0010 WH G0010 WH K0010 WH M0010 WH P0010 WH J0010 WH X0010 WH Y0010 WH Z0010 WH *Bore tolerance of D 2 +0mm/-0.05mm is recommended WELDING INSTRUCTIONS Fenner Taper Lock Weld-on Hubs are made of steel, are machined to accept Taper Lock bushes for shaft fixing, and have a precision machined shoulder against which flanges or webs can be located. It is recommended that a continuous 45 mitre weld be used, working on the larger hub diameter section only. To ensure accuracy in the welded assembly it is essential to apply only sufficient weld to achieve sufficient strength. Excess weld should not be necessary for normal use and, due to greater heat input, gives a higher risk of distortion. The table below shows recommended continuous fillet weld requirements for each hub size. Hub No Leg Length mm WH12 4 WH16 4 WH20 5 WH25 5 WH30 6 WH35 6 WH40 8 WH45 8 WH50 10 Taper Lock Hubs and Adaptors D1 L2 L1 L3 D3 D2 6 Section For electric arc welding, low hydrogen electrodes are recommended Drive Design & Maintenance Manual 125

5 6 Taper Lock Metric Bushes METRIC BORES AND KEYWAYS Keyway Shallow Product Code Bore Keyway Dia. Width Depth Depth A B C G H K M * * P * Q * 042* METRIC BORES AND KEYWAYS Keyway Shallow Product Code Bore Keyway Dia. Width Depth Depth J R X S Y T Z U * * Dimensions in millimetres. Keyways are British Standard Metric BS 4235: Part 1: 1972 DIN 6885 and conform to ISO recommendations with the exception of those marked* which are shallower. Where a key is to be used it should be parallel and side fitting, with top clearance. Depth of keyway is measured at the CENTRE. Bold italic type indicates bushes made of steel or ductile iron. 126 Drive Design & Maintenance Manual

6 6 Taper Lock Inch Bushes INCH BORES AND KEYWAYS Keyway Shallow Product Code Bore Keyway Dia. Width Depth Depth A B G H C K M * * P Q * INCH BORES AND KEYWAYS Keyway Shallow Product Code Bore Keyway Dia. Width Depth Depth J R X S Y T Z U * * * * Dimensions in inches. All Keyways are parallel and to British Standard 46: Part 1: 1958, with the exception of those marked* which are shallower. Where a key is to be used it should be side fitting, with top clearance. Depth of keyway is measured at the CENTRE. Bold italic type indicates bushes made of steel or ductile iron. Section Drive Design & Maintenance Manual 127

7 6 Taper Lock Engineering Data MINIMUM DIAMETERS OF TAPER BORED HUBS The following table shows the recommended minimum diameter in mm for bespoke component hubs that are to be drilled, tapped and taper bored for use with Taper Lock bushes. The table differentiates between grey iron and ductile materials of various minimum tensile strength grades (in N/mm 2 or MN/m 2 units, which are numerically equal). All standard Fenner Taper Lock products are tested to ensure that they are capable of safely containing the radial and circumferential hub stresses generated by the wedging mechanism which makes Taper Lock the equivalent of a shrink-on fit. For Taper Lock hub machining details, consult your local Authorised Distributor. Minimum Hub Diameters (mm) for Various Materials Taper Lock Tensile Strength N/mm 2 Bush Cast Iron Cast Iron Steel / Ductile Iron Steel AVERAGE SLIP TORQUES FOR TAPER LOCK FIXING (WITHOUT KEY) The following table shows empirically derived average slip torque values in Nm for each basic Taper Lock bush size with a variety of common metric bore diameters. The values assume that the assembly uses a Fenner Taper Lock bush fitted, in accordance with the instructions supplied with every bush, to a hub prepared to the Fenner specification. Slip will tend to occur at the bush/shaft interface, at the prescribed torque, unless a key is fitted. With a key, the slip tendency transfers to the bush/hub interface at a greater torque value related to the ratio of bush outer dia. to bore dia.. Consult your local Authorised Distributor for specific values. Formula to calculate the slip torque if a key is used: Large OD of Bush # x Average slip torque value Bush bore # From the table on page 129 Average Average Bush Bore (mm) Slip Torque Bush Bore (mm) Slip Torque (Nm) (Nm) * * * * * * Large bores marked* are only available in bush sizes marked* Taper Lock bushes work effectively on shaft diameters of: Nominal / mm 128 Drive Design & Maintenance Manual

8 TO INSTALL 1. After ensuring that the mating tapered surfaces, bore and shaft are completely clean and free from oil or dirt, insert bush in hub so that holes line up. 2. Sparingly oil thread and point of grub screws, or thread and under head of cap screws. Place screws loosely in holes threaded in hub, shown thus in diagram. 3. If a key is to be fitted place it in the shaft keyway before fitting the bush. It is essential that it is a parallel key and side fitting only and has TOP CLEARANCE. 4. Clean shaft and fit hub to shaft as one unit and locate in position desired, remembering that bush will nip the shaft first and then hub will be slightly drawn on to the brush. 5. Using a hexagon wrench tighten screws gradually and alternately to torque shown in table below. 6. Hammer against large-end of bush, using a block or sleeve to prevent damage. (This will ensure that the bush is seated squarely in the bore.) Screws will now turn a little more. Repeat this alternate hammering and screw tightening once or twice to achieve maximum grip on the shaft. 7. After drive has been running under load for a short time stop and check tightness of screws. 8. Fill empty holes with grease to exclude dirt. TO REMOVE 1. Slacken all screws by several turns, remove one or two according to number of removal holes shown thus in diagram. Insert screws into removal holes after oiling thread and under head of cap screws Taper Lock Installtion Instructions INSERT BUSH TIGHTEN SCREWS FINGER TIGHT REMOVAL Tighten screws alternately until bush is loosened in hub and assembly is free on the shaft. Remove assembly from shaft. INSERT SCREWS AND LOCATE ON SHAFT TIGHTEN SCREWS ALTERNATELY REMOVAL HOLES 6 Section Bush size Screw tightening torque (Nm) qty size Screw (BSW) 1 /4" 1 /4" 3 /8" 3 /8" 3 /8" 7 /16" 1 /2" 5 /8" 5 /8" 1 /2" 1 /2" 5 /8" 5 /8" 3 /4" 3 /4" 7 /8" 7 /8" details Hex. socket size (mm) Large end dia. (mm) Bush length (mm) Approx mass (kg) Drive Design & Maintenance Manual 129

9 6 Trantorque GT THE PROBLEM For many years, the power transmission industry has struggled with the problems of mounting components to shafts. The "industry standard", the keyed mounting, has a number of widely acknowledged limitations. The process of cutting keyways into the shaft is timeconsuming, tedious and permanent. There's little chance to adjust timing or synchronise a drive, and cutting the keyway or slot reduces the strength of the shaft. In addition, the stress of stopping, starting and transmitting power under high torque can induce fretting corrosion and cracking that can ultimately result in unit failure. Even the smallest discrepancies in the fit between the hub and the shaft will increase fretting corrosion and wear and cause premature failure of the mounting. Poor fit will also allow "backlash" during rapid stops. It's not surprising, then, that many manufacturers have eliminated keyway problems and switched to TRANTORQUE GT. SOLVING THE PROBLEM TRANTORQUE GT is the solution to the problems of keyed mountings a keyless bushing ideal for critical timing and high-torque applications. TRANTORQUE GT is a single-nut locking bushing with interlocking components that ensure positive release. Easy to install, TRANTORQUE GT requires no special machining or cutting of keyways. It can be easily adjusted or removed, and allows the kind of infinite positioning that's critical for precise timing and synchronisation. Because it functions as a mechanical shrink fit, there is no movement between the holding device and the shaft, thus eliminating the problems of fretting corrosion, backlash and key wallowing. HOW IT WORKS TRANTORQUE GT is a three-piece bushing consisting of an inner collet-like element, an outer sleeve and a nut that controls them. The inner and outer elements have matching, opposite tapers. As a result, when the nut is turned, the unit expands within the component and contracts onto the shaft, offering high torque ratings and excellent concentricity within 0,025mm FIM. With fewer component parts, Trantorque GT offers significant installation advantages, reducing downtime and operating costs. The single GT nut can be torqued-up in seconds... ADVANTAGES TRANTORQUE GT Eliminate Keys, Keyways, Setscrews Infinite, Precise Radial Adjustment Eliminate costly matching with inexpensive Trantorque GT mounts. They grip like a shrink-fit on shaft and bore, and resist shocks and torque reversals better than keyways. Single-nut design self-centres accurately, locks or unlocks with the twist of a wrench. The positive lock and release action permits exact initial positioning with easy readjustment at a later date. This is not possible with fixed keyed connections. Use Smaller Shafts Eliminate the weak spot in shafts and hubs caused by machining keyways. This, plus the rigidising effect, permits smaller and less expensive shafts and bearings with equal strength and stiffness. Retrofit and Repair Can be used directly over empty keyways to repair a worn or damaged connection. Both metric and Imperial units are available making it easy to quickly return machinery to service. Mount Hubless Devices Speed Prototype Development Trantorque GT mounts are unique in their ability to mount thin hubless devices. They need not be completely within the bore. This permits mounting plate sprockets, hubless gears, disc brakes, etc. often at substantial savings to the user or OEM. Easy installation, adjustment and removal permit great freedom and flexibility in newproduct development. Trantorque mounts can be removed and reinstalled many times...a major advantage on prototype or final product. 130 Drive Design & Maintenance Manual

10 Trantorque Mini Series INCH STOCK RANGE MINIATURE SERIES TRANTORQUE STANDARD SERIES TRANTORQUE GT LARGE SERIES TRANTORQUE GT METRIC STOCK RANGE NUT DIMENSIONS PERFORMANCE TORQUE Max Transmissible Hub Approximate PRODUCT d D L 1 L 2 A 1 A 2 B 1 B 2 Torque Thrust Pressure Mass CODES Nm kgf N/cm 2 Nm kg 184A A B B C C C D D D E E E E F F F F G G G H H H H J J K K K L M N N P MINIATURE SERIES TRANTORQUE STANDARD SERIES TRANTORQUE GT LARGE SERIES TRANTORQUE GT Trantorque GT Trantorque GT NUT DIMENSIONS PERFORMANCE TORQUE Max Transmissible Hub Approximate PRODUCT d D L 1 L 2 A 1 A 2 B 1 B 2 Torque Thrust Resource Mass CODES Nm kgf N/cm 2 Nm kg 184A /4" 5 /8" 3 /4" 3 /8" 1 /2" 1 /8" B /8" 3 /4" 7 /8" 7 /16" 5 /8" 1 /8" C /2" 7 /8" 1" 1 /2" 3 /4" 3 /16" D /8" 1" 1 1 /8" 5 /8" 7 /8" 3 /16" E /8" 1 1 /2" 1 1 /2" 3 /4" 1 1 /4" 1 1 /2" 5 /16" 5 /16" E /4" 1 1 /2" 1 1 /2" 3 /4" 1 1 /4" 1 1 /2" 5 /16" 5 /16" F /8" 1 3 /4" 1 7 /8" 7 /8" 1 1 /2" 1 3 /4" 7 /16" 3 /8" F0616 1" 1 3 /4" 1 7 /8" 7 /8" 1 1 /2" 1 3 /4" 7 /16" 3 /8" G /4" 2" 2 1 /4" 1" 1 3 /4" 2" 1 /2" 9 /16" H /2" 2 3 /8" 2 3 /4" 1 1 /2" 2" 2 3 /8" 9 /16" 1 /2" J /4" 2 5 /8" 3 1 /8" 1 11 /16" 2 1 /4" 2 5 /8" 9 /16" 11 /16" K0632 2" 2 7 /8" 3 9 /16" 2" 2 1 /2" 2 7 /8" 5 /8" 3 /4" L /4" 3 1 /8" 3 3 /4" 2 1 /8" 2 3 /4" 3 1 /8" 5 /8" 13 /16" M /8" 3 3 /8" 3 7 /8" 2 1 /4" 3" 3 3 /8" 11 /16" 3 /4" M /2" 3 3 /8" 3 7 /8" 2 1 /4" 3" 3 3 /8" 11 /16" 3 /4" N /4" 3 5 /8" 4 1 /16" 2 3 /8" 3 1 /4" 3 5 /8" 11 /16" 13 /16" P0648 3" 3 7 /8" 4 1 /4" 2 1 /2" 3 1 /2" 3 7 /8" 3 /4" 13 /16" Tolerances on shaft and bore, miniature Series ±.038 mm, (.0015"). Standard and Larger Series ±.076 mm, (0.03"). Other sizes, types and materials are available to order. Consult your local Authorised Distributor. SELECTION To select the TRANTORQUE GT suitable for your application simply choose the bush with the appropriate ('d') to suit the shaft diameter and determine that the outside diameter ('D') and transmissible torque rating will be adequate. Note: The nominal transmitted torque in Nm should be multiplied by a service factor before comparing with the tabulated maximum transmissible torque. Service factors range from 1.0 for electric motor driven, smooth machines, to 2.25 for heavy shock machinery driven by i/c engines. If in doubt consult your local Authorised Distributor. Use the following formula to convert power (kw) to torque (Nm) Torque (Nm) = kw x 9550 rev/min INSTALLATION Clean off the shaft and bore with a clean rag dampened with a commercial solvent so that the bore and the shaft are clean and completely free of oil. Fit the TRANTORQUE GT unit onto the shaft: the shaft must extend through the full length of the TRANTORQUE GT (dimension L 1 ). Fit the hub over the TRANTORQUE GT unit so that the expanding section of the unit (dimension L 2 ) is approximately in the centre of the hub. If the hub is longer than the L 2 dimension, make sure that the flats of the nut(s) (dimensions B) are outside of the hub to permit spanners to be applied to the nut(s). Tighten the outboard nut lightly by hand. Position the unit and the hub in the desired location. Now tighten the outboard nut to the torque indicated in the charts. The hub is now locked to the shaft. With Trantorque GT the inboard nut is used to restrain the unit and the shaft during tightening. EFFECT OF TEMPERATURE TRANTORQUE GT units are not affected by temperature within wide limits ( 34 O C to 204 O C) when the shaft and hub are made of steel. TRANTORQUE GT units are all steel. If the shaft and/or hub are made of different materials e.g. aluminum, straightforward engineering compensation should be made for the difference in expansion coefficients. In normal environments, where the seasonal ambient variation is less than 35 O C, no compensation will generally be required, even with dissimilar metals. MOUNTING OF HUBLESS MACHINE ELEMENTS Hubless machine elements such as plate gears, plate disc brakes, plate cams and plate sprockets, can be successfully locked to the shaft by means of the TRANTORQUE GT, but some account should be taken of the increased hub pressure on these applications. 6 Section Drive Design & Maintenance Manual 131

11 6 Fenlock Cone Clamping Elements FenLock cone clamping elements are precision made in the finest steel materials to provide a wide, versatile range of keyless shaft/hub fixing assemblies. THE FENLOCK PRODUCT RANGE FLK 200 FLK 450 Medium/high torque Very high torque Non self centering Self centering Available for shafts mm dia. Available for shafts mm dia. Max allowable surface finish Rt max 16μm Max allowable surface finish Rt max 16μm Tolerances h11 shaft - H11 hub Tolerances h8 shaft - H8 hub. No axial movement FLK 132 FLK 133 Less screws - quicker installation As FLK 132 with larger dia. location collar Self centering Medium/high torque Less screws - quicker installation Max allowable surface finish Rt max 16μm Medium/high torque Self centering Slight axial movement hub/shaft No axial movement hub/shaft Available for shafts mm dia Available for shafts mm dia Tolerances h8 shaft - H8 hub. Max allowable surface finish Rt max 16μm Tolerances h8 shaft - H8hub. FLK 130 FLK 131 High torque As FLK 130 with larger dia. location collar Self centering High torque Max allowable surface finish Rt max 16μm Self centering Slight axial movement hub/shaft No axial movement hub/shaft Available for shafts mm dia Available for shafts mm dia Tolerances h8 shaft - H8 hub. Max allowable surface finish Rt max 16μm Tolerances h8 shaft - H8 hub. FLK 300 Medium/low torque Non self centering Max allowable surface finish Rt max 6μm Available for shafts mm dia (larger sizes to order) Tolerances 40mm dia, h6 shaft - H7 hub 42mm dia h8 shaft - H8 hub FLK 250L Similar to FLK 300 with integral single nut fixing Medium/low torque Self centering Max allowable surface finish Rt max 16μm Slight axial movement hub/shaft Available for shafts mm dia Tolerances h8 shaft - H8 hub. FLK 110 FLK 603 Few screws - quicker installation Shrink disc device for hub clamping Medium/high torque Self centering Quick installation Max allowable surface finish Rt max 16μm Medium/high torque Self centering Available for shafts mm dia Available for hubs mm dia Tolerances h8 shaft - H8 hub. (larger sizes to order) Max allowable surface finish Rt max 16μm Tolerances h8 shaft. FENLOCK SELECTION 1. Determine the maximum torque (Nm) to be transmitted, including fluctuations and shock loads, and any axial forces (kn) to be withstood. 2. Use the features table above to help determine the type of FenLock device to use. 3. Use the tabulated data on the following pages to establish torque (Mt) and axial load capacity (F) of the chosen unit on the shaft size being used, and that they exceed applicational requirements. Note: Maximum torque and axial force values are mutually exclusive. For combined torque and axial force applications, consult your local Authorised Distributor. 4. Check dimensional suitability, self centering capability and ease of installation/dissembly. 5. For hub strength calculations or more detailed selection advice - consult your local Authorised Distributor. INSTALLATION They offer Simple installation/dissembly Resistance to alternating torques Increased shaft strength High torque transmission capacity 1. Ensure cleanliness of hub and shaft contact surfaces 2. Screw threads and conical surfaces should be lightly oiled. 3. Tighten fixing screws gradually, in diagonal sequence, up to torque Ms (Nm) 4. For more detailed information - consult your local Authorised Distributor. No backlash Axial and angular adjustment capability No fretting corrosion Simple selection 132 Drive Design & Maintenance Manual

12 To Calculate the Minimum Hub Diameter (Dm). FenLock cone clamping elements create a surface pressure Pn between the clamping outer ring and hub bore when fitted. Shaft values are higher than the hub stresses but generally the hub stress level is the critical factor as it must be below the yield stress of the material. FACTOR C Type 1 C = 1.0 Narrow hubs where the length L1 Type 2 C = 0.8 Wide hubs with centre guide and length 2L1 Type 3 C = 0.6 Wide hubs where the length 2L1 ASSEMBLIES TYPE COEFFICIENT K Fenlock Cone Clamping Elements The minimum hub diameter Dm is calculated using the following formula Dm (D.K) where Dm = Minimum hub diameter D = Outside diameter of clamping element K = Coefficient K derived from the table below Use Pn from product tables on pages factor C (see below) Example Based on securing a cast iron 50mm wide pulley to a steel shaft using a FenLock x 120. Pulley Material = GG25 C = 0.8 as assembly is as per type 2 Pn = 120 N/mm 2 as page 134 K = 1,81 Dm (D.K) Dm (120 x 1.81) Dm 217.2mm Therefore, the minimum hub diameter that can be used is 217.2mm. Pressure generated Yeild point N/mm2 on the hub Material type Pn Applica- GG20 GG25 GG30 GS45 GGG40 ST50-2 GGG50 GGG60 GGG70 N/mm 2 tion type GS38 GTS35 ST37-2 GS52 C35 GS60 GS62 GS70 C ST60-2 ST70-2 C60 60 C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= C= Section Drive Design & Maintenance Manual 133

13 6 Fenlock Cone Clamping Element Dimensions Tightening screws Torque Axial Hub Tightening Product Thrust Stress Grade Torque Code d x D L1 L2 B Mt F ass. Pn 12.9 Ms mm mm mm mm Nm kn N/mm 2 No. x type Nm 630A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M A x x M FenLock clamping elements type FLK 200 non selfcentering FenLock clamping elements type FLK 450 self-centering Tightening screws Product Torque Axial Hub Thrust Stress Grade Tightening Torque Code d x D L1 L2 B Mt F ass. pn 12.9 Ms mm mm mm mm Nm kn N/mm 2 No. x type Nm 630X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M X x x M Drive Design & Maintenance Manual

14 Fenlock Cone Clamping Element Dimensions FENLOCK CLAMPING ELEMENTS TYPE FLK FLK 133 SELF-CENTERING FLK 132 FLK 133 FLK 132 FLK 133 FLK Tightening Screws 133 Grade Tightening torque Torque Axial Hub Torque Axial Hub Product Only 12.9 Ms Thrust Stress Thrust Stress Code d x D L1 L2 L3 B D1 Nm Mt F ass. Pn Mt F ass. Pn mm mm mm mm mm mm No. x type FLK 132 FLK 133 Nm kn N/mm 2 Nm kn N/mm R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R/G x x M R = FLK 132 G = FLK 133 NOTE: It is possible to reduce the screw tightening torque down to 60% of the values indicated in above table; as a result Mt & F ass, are reduced proportionally. 6 Section Drive Design & Maintenance Manual 135

15 6 Fenlock Cone Clamping Element Dimensions FENLOCK CLAMPING ELEMENTS TYPE FLK FLK 131 SELF CENTERING FLK 130 FLK 131 FLK 130 FLK 131 FLK Tightening Screws 131 Grade Tightening Torque Axial Hub Torque Axial Hub Product Only 12.9 torque Thrust Stress Thrust Stress Code d x D L1 L2 L3 B D1 Ms Mt F ass. Pn Mt F ass. Pn mm mm mm mm mm mm No. x type Nm Nm kn N/mm 2 Nm kn N/mm C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C/D x x M C = FLK 130 D = FLK 131 NOTE: It is possible to reduce the screw tightening torque down to 60% of the values indicated in above table; as a result Mt & F ass, are reduced proportionally. 136 Drive Design & Maintenance Manual

16 Fenlock Cone Clamping Element Dimensions FENLOCK CLAMPING ELEMENTS TYPE FLK 300 NON SELF-CENTERING Dimensions Pre-load Total Torque Axial Distance W Hub Product force force thrust before tightening * Stress Code d x D B L1 Pt Pa Mt F ass Pn mm mm mm N N Nm kn mm mm mm mm N/mm 2 630T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x T x FENLOCK CLAMPING ELEMENTS TYPE FLK 300 NON SELF-CENTERING For appropriate thrust collar dimensions consult your local Authorised Distributor. * Several FLK 300 clamping elements can be used in series to achieve higher torques. W is the minimum clearance distance for tightening 1, 2, 3, & 4 elements. For multiple elements, Mt is multiplied by: 2 elements Mt x elements Mt x elements Mt x 2.02 Section FENLOCK CLAMPING ELEMENTS TYPE FLK 250 L SELF-CENTERING Tightening nut Hub Product Torque Axial Type Tightening Stress Thrust torque Code d x D B L1 D1 Mt F ass. Ms Pn mm mm mm mm Nm kn Nm N/mm F x KM F x KM F x KM F x KM4* F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM F x KM NOTE: The hub housing must have a depth equal to L1 dimension of clamping element. * Without washer. FENLOCK CLAMPING ELEMENTS TYPE FLK 250 L SELF-CENTERING Drive Design & Maintenance Manual 137

17 6 FenLock Cone Clamping Element Dimensions FENLOCK CLAMPING ELEMENTS TYPE FLK 110 SELF-CENTERING Tightening Screws Torque Axial Grade Tightening Hub Product Thrust 12.9 torque Stress Code d x D L1 L2 L3 B D1 Mt F ass. Ms Pn mm mm mm mm mm mm Nm kn No. x type Nm N/mm 2 630B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M B x x M FLK 110 FLK 603 FENLOCK CLAMPING ELEMENTS TYPE FLK 603 STD. VERSION Dimensions Product Type Shaft Torque Axial Tightening Tightening Contact Code dia. Thrust screws torque Stress D I L d1 e 10.9 d dw Mt F ass. Ms Pw mm mm Nm kn mm mm mm mm mm No. x type Nm N/mm M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M Dimensions Product Type Shaft Torque Axial Tightening Tightening Contact Code dia. Thrust screws torque Stress D I L d1 e 10,9 d dw Mt F ass. Ms Pw mm mm Nm kn mm mm mm mm mm No. x type Nm N/mm M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M M x M Drive Design & Maintenance Manual

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