ServoFlex Type 318
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ServoFlex - Type 318 Characteristics and features • torque transmission is free of backlash and torsionally stiff • wear-free and maintenance-free • high misalignment values • high strength and bending elasticy stainless steel disc pack • membrane shape is optimized with finite element design methods • small resultant restoring forces • transmitted torque up to 500 Nm, depending on the angular misalignment • higher torque possible for special designs • recommended temperature range: -35 °C to 150 °C use outside of this spectrum on request • single and double joint designs • spacer made of...

ServoFlex - Type 318 Match code Mönninghoff shaft couplings are indicated by the following match code: 318 . A . B . C A coupling size B design C options of mounting and integrating other individual characteristics: • bore size with keyways According to these characteristics, we design individual solutions concerning transmitted torque, engaging behavior or rotation speed. Our engineers can assist with finding an application-specific coupling at any time. Together, we can develop individual and innovative solutions for extreme operating conditions. Ordering example Mönninghoff ServoFlex -...

ServoFlex - Type 318 Coupling size When dimensioning a Mönninghoff ServoFlex coupling, several technical preconditions should be considered: • Membrane coupling transmit torque without virtually any dampening. Therefore the size must be determined so that a possible peak torque - caused by drive or load - does not exceed the specified nominal torque TKN. We recommend that the torque which have been determined theoretically are corrected with the appropriate safety or operating factor. TKN > T  KB oder TKN > T  KS • As misalignment reduces the transmitted torque of the coupling, the values...

ServoFlex - Type 318 Coupling size - starting factor If the starting factor is bigger than 2 times of the coupling torque, or if there are more than 50 starts/stops per hour, please consult our engineers. Coupling size - angular misalignment factor When calculating the angular misalignment factor, the radial and axial misalignment must also be taken into account. angular misalignment radial misalignment axial misalignment ∆Ktotal = ∆Ka + ∆Kr + ∆Kw ≤ 100% modification of ∆Ka [mm] and ∆Kr [mm] in ∆Kwa [°] an ∆Kwr [°] ∆Kwa = arcsin ∆Kwr = arcsin ∆Kwg = ∆Kw + ∆Kwa + ∆Kwr [°] Kwg = total angular...

ServoFlex - Type 318 Design The Mönninghoff ServoFlex - coupling is offered in different designs • equalisation of axial and angular misalignment with simple universal joint design • additional equalisation of radial misalignement with double universal joint design Design 1: single joint Design 2: double joint with standard spacer Design 3: double joint with variable spacer Design 4: double joint with small spacer Vertical assembling • when vertical assembling is required, an additional support has to be used between the lower hub and the spacer • please specificly order: for vertical asse

ServoFlex - Type 318 Operating speed design 3 The critical speed of the shaft coupling changes according to the length of the spacer. Disc pack Membrane shape of the ServoFlex - shaft coupling is characterized by the following technical properties: • stainless steel • connected via fitting screws • optimized with FE

ServoFlex - Type 318 Technical data Size membrane pack type 4._ alternating torque type 2._ type 4._ weight torsional stiffness axial stiffness tightening torque Screw S2 tightening torque Screw S3 tightening torque bore d, d1 H7

ServoFlex - Type 318 Spacer coupling design 3 The double joint design has some additional properties of the spacer to consider. • stainless steel or CFK/GFK possible • length changes through temperature variations • limitation of spacer length to 2900 mm is due to the manufacturing process • further limitation of the spacer length is due to critical speed • when vertical assembling is required, an additional support has to be used Technical data Size torque max. speed inertia torsional stiffness, pipe axial stiffness [Nm/mm] angular offset dimensions see diagramm „critical speed for design...

ServoFlex - Type 318 Mounting and connection options Every combination of hub with keyway, clamping set, shrinking disc or clamping hub is possible for installation of the Mönninghoff ServoFlex - coupling. shrink disc These following common Hub combinations are considered in the Mönninghoff type code for orders (1) hub with keyway / hub with keyway (5) hub with keyway / clamping set (6) hub with keyway / clamping hub (3) shrink disc / shrink disc

ServoFlex - Type 318 Clamping-set dimensions It is recommendet to use a ArcOgrip clamping-set for a backlash-free shaft-hub connection • Type 354 is mounted from the outside via a hexagon head bolt • Type 356 is mounted from the inside via a socket head screw Type ._.2: Clamping-set Type 354 Type ._.2: Clamping-set Type 356

ServoFlex - Type 318 Estimated operating factors for torsionally rigid shaft couplings Operating factor KB elektric motors turbines hydraulic motors building construction machines chemical industry agitators (semi-liquid material) agitators (liquid material) piston engines with more than 2 zylinders piston engines with 1 or 2 zylinders goods lifts passenger lifts centrifuges pipeline pumps belt conveyors generators, transformers wood-plastic industry machinery machine tools kneading machines pulp grinders presses, rolls blowers, ventilators planing machines woodworking machines cranes metal...

ServoFlex - Type 318 At a glance disc pack with high misalignment values on request with ATEXapproval wide variety of bore sizes different mounting and integrating options

System solutions You need more? Mönninghoff clutches can be combined with a variety of many other power transmission elements. Such complex high-tech systems can solve any application-specific tasks and can fulfill any customer-specific wishes. In many cases, a combination of different drive elements is needed to solve the applications particular problems and difficulties. Being not just supplier but technological partner to our customers, our extensive engineering is part of extraordinary and challenging power transmission projects. Our product is the know-how, with hardware as an added...