This is a modification of the protected type flange coupling which has pins. Coupling torque speed ofbores torsionally torsionally backlash type rangenm capacity mm soft rigid free universaljoints 10to580 lowtomedium 6to50 4 oldham 0. Designing the tire coupling by using the standard parameters and. Rigid flange couplings are designed for heavy loads or industrial equipments. Bushes made of leather or rubber is used over the pins. These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. Following standard proportions are used in the design of flange coupling. When joining shafts within a machine, mechanics can. The indication of the coupling half corresponds to the size of the smaller coupling half. In this protected type flange coupling the dimensions are as follows. The type l couplings are designed for medium to high speeds up to 31,000 rpm. Design of shafts couplings ppt linkedin slideshare. These costeffective units are available with 4 different insert materials and are compatible with industry std. Couplings are mechanical elements that couples two drive elements which enables motion to be transferred from one element to another.
Blind flanges are also used as a manhole cover in the vessel. Flange coupling, flange shaft coupling all industrial. The design of a flange involves the selection of the gasket material, type, and dimensions, flange facing, bolting, hub proportions, flange width, and flange thickness. A flange coupling transmits the highest values of load, as any shaft coupling design on the market. A coupling is a device which is responsible for the operative power transmission between two shafts rotating at particularrpm. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Based on flange facing types, it can be further classified as. Design and failure analysis of flange coupling with. Flange of a protected type flange coupling has three distinct regions inner hub, flanges and protective circumferential flanges. Detailed design procedure of a typical rigid flange coupling. Flanges and fittings isokf flanges and fittings easy and reliable isokf flanges and fittings allow quick release and tight connections from 10 to 50 mm nominal diameters. One keyed to the driving shaft and the other to the driven shaft by means of nuts and bolts arranged on a circle concentric with the axes of the shafts. The step response and bode plots of smaller servo motors such as the kollmorgen akm31e using this coupling closely match those of modern servo machines with inertialreduction.
Design and failure analysis of flange coupling with uniform strengthen bolts. Design of clamp coupling is similar to the design of muff coupling and an additional calculation is required for designing the bolts. Ductile iron flange coupling adapter connects plainend pipe to a flange. Unprotected type in this type of coupling each shaft is keyed to the boss of a flange with counter sunk key and both flanges are coupled together with rings of bolts. This article describes what is a coupling, types of couplings, rigid couplings, flexible couplings, universal couplings, hookes coupling, pin bush coupling, flanged coupling etc. For this purpose, modeling of the rigid flange coupling is carried out in unigraphics and analysed in ansys workbench. Order information the coupling halves and the fasteners set can also be ordered separately. To provide for misalignment of the shaft or to introduce mechanical flexibility.
Design the coupling with following materials, material for shaft material for shaft as 40c8 syt 380 mpa, material for bolts is 30c8 400 mpa and flanges are madeup of cast iron fg 150 sut 150 mpa. Detailed and assembly of bush pin flange coupling are plotted in drafting mode and converted into pdf for dimensions and sheet plotting techniques. Design of flanged coupling unprotected and protected type notations used in design. Flange coupling designing and assembly in catia sanket jadhav. Bolted flange design according to asme section viii division 1. Protected type flange coupling 3d cad model library. Apr 17, 2017 flange coupling part design and assembly. Construction of formflex couplings design features of 4bolt coupling simple construction ensures good durability formflex double flexing couplings are made of three principal components. Learn different types of pipe flanges used in piping. Vretainer coupling design guidelines for aerospace. Mcmastercarr is the complete source for your plant with over 595,000 products. Flange coupling designer is a software which will help you to design a flange coupling in a few seconds and few clicks. Flange coupling flange coupling design types of flange. The concept of torque transmission may be described differently by various manufacturers, while the method of attachment and connection will remain basically the same among the.
With 2 flanges coupled together by a centering ring with a oring and a clamp fig. Dec 15, 2017 flange coupling is a type of shaft coupling having two separate flanges which are mounted on the shaft end and both flanges are bolted together by means of nuts and bolts. The dodge dflex coupling is very popular in pumping applications due to the fivepiece spacer designs ease of installation and change out. To provide for connection of shaft of units those are manufactured separately. Rigid flange coupling are designed for heavy loads or industrial equipment. Steel, cast iron, asbestos cement, plastic and other types of pipe. Couplings are elements used to connect two shafts during power transmission. Flange coupling is a type of shaft coupling having two separate flanges which are mounted on the shaft end and both flanges are bolted together by means of nuts and bolts types of flange coupling. This helps to bring the shafts into line and to maintain alignment. Detailed design procedure of a typical flexible rubberbush coupling. Flanges are fixed on each side of the rotating shafts. Design procedures for rigid and flexible rubberbushed couplings.
Scribd is the worlds largest social reading and publishing site. Full design of flange coupling machines mechanical. The flange couplings are of the following three types. If essentially consists of two cast iron flanges which are keyed to the shafts to be joined. The two flanges are coupled together by means of bolts and nuts. To avoid this, protective circumferential flanges are provided in the protected type flange coupling. In an unprotected type flange coupling, each shaft is keyed to the boss of a flange with a counter sunk key and the flanges are by means of bolts. F r radial force on the flange surface m b bending moment in the flange surface size operating load startup load m k2 f r m b m k2 max f q max m b max knm kn kn knm kn kn mc02 5,4 8,4 2,5,6 18,0 5,3 mc03 6,7 9,1 2,9 16,7 17,5 5,5. Flange coupling designer free download and software.
Vretainer coupling design guidelines for aerospacedefense applications pg 2 although the design considerations in this guide primarily concentrate on round applications 95% of usage, the vretainer coupling principal can be successfully used to join a variety of. D assistant professor hod mechanical nri institute of technology abstract. Coupling design requirement, types, design of sleeve. A coupling is a device used to connect two shafts together at their. Their very simple construction results in extrahigh torque capability and practically unlimited durability. Full design of flange coupling free download as word doc. Coupling design requirement, types, design of sleeve coupling. Abb, baldor electric, and dodge can package together the controls, drives, motors, and couplings needed for common pumping applications. Pdf design and failure analysis of flange coupling with uniform. Full design of flange coupling machines mechanical engineering. Pdf a textbook of machine design keys and coupling ahmed. The tire coupling is torsional soft flexible coupling which is a feature that most desirable for optimum torque transmission.
Type torsionally rigid flange coupling highly flexible flange coupling flexible flange coupling geometries design extremely short short short max. Design of couplings plays a vital role in determining the power transmission capacity of the shaft at the rated rpm, which is very crucial. After being introduced to the types of flange coupling let us try to understand the designing of the flange couplings. Protected type flange coupling 3d cad model library grabcad. Coupling is a device used to connect the shafts together for the purpose of transmitting. Clamp coupling 1piece design clamp coupling 2piece design size d1 nominal torque steel nm nominal torque stainless steel nm dimensions in mm c din 91212.
Fastening torque for coupling bolt fastening spacer with flange is in accordance with. The main objective of the paper is to write a generalized python program for the design of protected type flange couplings for any selected material considering. To create the universal coupling assembly as a 3d solid model using catia v5 software. Protected type flange coupling of 25 mm shaft diameter and 4 bolt. Dodge dflex type s coupling dodge dflex type sc spacer coupling. Pdf design of a protected type flange coupling using. Universal coupling designing and assembly in catiav5 duration. Ductile iron flange coupling adapter connects plainend pipe to. Pdf design and failure analysis of flange coupling with. Coupling design requirement, types, design of sleeve coupling design of coupling shaft couplings are used in machinery for several purposes 1. Pdf design of a protected type flange coupling using python. Introduction bush pin type flange coupling is used to connect of shafts which having a small parallel misalignment, angular misalignment or axial misalignment. Pdf a coupling is a device used to make permanent or semipermanent joint for two rotating shafts to each other.
Im analysing a large machine shaft coupling, which is a bolted flange design, clearance bolt holes not fitted bolts, where torque is to be transmitted through friction of the faces. Jun 04, 2014 this feature is not available right now. A protected type flanged coupling is required to transmit 60 kw power at 1440 rpm. Coupling consider a flange coupling as shown in fig. Flange coupling free download as powerpoint presentation. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do. Motor and coupling assignment this leads to the following maximum transmittable loads. A typical rigid flange coupling is shown in figure 5. Types of flange coupling unprotected type in this type of coupling each shaft is keyed to the boss of a flange with counter sunk key and both flanges are coupled together. The flange coupling is adopted to heavy loads and hence it is used on large shafting.
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Order example code coupling design rfk coupling size of smaller coupling half 0050 type tbo material of the hub. Flange thickness iv design of hub as a hollow shaft satisfactory v design of bolts 4 for shaft diameters from 40 to 100 mm. Rigid flange coupling consists of two separate grey cast iron flanges. Rigid coupling design friction of bolted shaft flanges. Frangible couplings are designed to break away cleanly upon impact, minimizing damage to an aircraft during an accident. The present study of this paper is to reduce the stress that acting on the bolts by. Silent flange coupling design used for the schenck. Coupling is a mechanical device used to couple the shaft for transmission of power from driving shaft to another driving shaft.
Flange coupling designing and assembly in catia youtube. Silent flange coupling design used for the schenck eddy current. Pdf a textbook of machine design keys and coupling. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do not exceed the allowable stresses specified in 28. The keys staggered at right angle along the circumference of the shafts in order to divide the by keyways. Design of unprotected type flange coupling the usual proportions for an unprotected type cast iron flange couplings d diameter of the shaft or inner diameter of the hub d outside diameter of hub d2d length of hub, l 1. Design, solidworks, flexible coupling, rubber and brass bushed, single bush. Common applications include support for runwaytaxiway lights, heliport flood lights, and masts.
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