Machine Design-I 23 Problem 2. Design a muff coupling which is used to connect two steel shafts transmitting 25 kW power at 360 rpm. The shafts and key are made of plain carbon 2steel 30C8 (S yt =S yc = 400N/mm ). The sleeve is made of grey cast iron FG 200 (S ut = 200 N/mm2). The factor of safety for the shafts and key is 4.
INTRODUCTION TO MECHANICAL ENGINEERING
1) The primary function of key is to transmit the torque from the shaft to the hub of machine element and vice-versa. 2) The second function of the key is to prevent relative rotational motion between the shaft and mounted machine element like gear or pulley. •In most of the cases, key also prevents axial motion between the elements.
What are the different types of Keys in machine design
Aug 10, 2018 · In mechanical engineering, Key is a part of a machine or equipment where it is used to connect the rotating machine element to the shaft and enables the torque transmission.In this article, we are going to discuss what are the different types of Keys in machine design.
Dec 02, 2014 · When attaching coupling, gear, or pulley hubs to the shafts of either the driving or driven equipment, a key is commonly used to engage two keyways (cut into both the shaft and the hub) to help prevent rotation on the shaft and to assist (to …
Shaft Keys - Types and Their Design
Aug 27, 2009 · Shaft keys are important machine components designed to transmit torque and rotative force. There are several types of shaft keys, each with their own particular role and application. Here we look at the different types: Shaft Keys, Shaft Key Design, Rectangular keys, Square keys, Woodruff keys, GIB keys, Taper Keys.
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More Effective Fire Hose Recoupling
The female swivel section is also machined for a coupling gasket, or washer. The machine used for attaching couplings to hose, consists basically …
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Design of keys
Oct 11, 2012 · Design of keys. 1. A key is a piece of mild steel inserted between the shaft and hub or boss of the pulley to connect these together in order to prevent relative motion between them. It is always inserted parallel to the axis of the shaft. Keys aroused as temporary fastenings and are subjected to consider-able crushing and shearing stresses.
14 - Keys and Couplings - Machine Design
Example 14-1 The dimensions of a woodruff key for a 40 mm shaft, are shown in Fig. 14-3. One third of the depth of the key is in the hub portion. The shaft transmits 6 kW at 350 rpm. The key is made of steel and σyt = σyc = 380 N/mm 2. Calculate the factor of safety in the design of the key.
14 - Keys and Couplings - Machine Design [Book]
CHAPTER 14 Keys and Couplings Chapter Objectives Design the section of the most commonly used rectangular key on the basis of torque and allowable shear and bearing stresses in key. … - Selection from Machine Design [Book]
Why Power Transmission Shafts Have Both Keys & Keyways
Key, Keyway, and Keyseat. A key is a piece of metal used to connect a rotating machine element to the shaft. A key prevents a relative rotation between the two parts, and may enable torque transmission to occur. For a key to function properly, both the shaft and rotating elements (gear, pulley and coupling) must have a keyway and a keyseat.
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Machine Design: LESSON 16 DESIGN OF COUPLINGS
16.3 Muff Coupling. 16.3.1 Introduction. Assembly of muff coupling is shown in Figure 16.1. Sleeve, a hollow cylinder, is fitted on the ends of input and output shaft with the help of a sunk key. Torque is transmitted from input shaft to the sleeve through key and from the sleeve to the output shaft through the key again.
Design of Shaft, Key & Coupling -2
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Undestanding keys and keyways (keyed joints)
Nov 27, 2020 · A key is a machine element that is used to join a rotating machine element to a shaft. For a key to function, there must a keyway on the shaft and a keyseat the rotating machine element. The key is then tightly fitted between the keyway and the keyseat, hence the mechanism is called a keyed joint. The primary function of keys and keyways is to ...
Parallel Key and Keyway Sizes and Tolerances
Machine Elements; Hexagon Socket Head Cap Bolts (Excerpt from JIS B 1176 2014) Hexagon Bolts (Excerpt from JIS B 1180 2014) Hexagon Socket Set Screws (Excerpt from JIS B 1177 2007) Hex Keys (Excerpt from JIS B 4648 2008) Parallel Key and Keyway Sizes and Tolerances; Retaining Ring (Excerpt from JIS B 2804 2010) Bearing Mounting Dimensions
Coupling and Keys - Understanding Business Analysis and
4. Friction. Flanged Coupling. There will be key for connecting shaft with coupling hub and then coupling flanges will be coupled together by bolts. Split Coupler. In this type of coupling , we use same process i.e. key will be used for fixing the coupling with shaft and then coupling will be coupled together with bolts.
In mechanical engineering, a key is a machine element used to connect a rotating machine ... Woodruff keys are semicircular, fitting partly into a circular segment ...
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Конусная дробилка Nordberg MP800
Замена деталей конусной дробилки Nordberg MP800. SINCO Machinery производит широкий ассортимент износостойких измельчителей из нержавеющей стали и запасных частей в соответствии с ассортиментом конусных дробилок Met800 ™ Nordberg ™.
Manufacturing processes of rigid coupling
Sep 24, 2015 · The machine is know as keyseating machine. 2.Miling machine Parallel, tapered and wood ruff key can be produce on miling machine 14. 3.Filing It is used to give the desire shape. The key way is roughed out by using filing tool. 4.Surface finishing It is a last process which gives the clean surface finish It is done by emery paper or polishing ...
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How Long Should the Key Length be for a Coupling Installed
When a shaft assembly goes to the balance machine, the assembly is normally balanced with a half key installed. The coupling and key have ...
Shaft and Hub Keyway and Key Sizes
bore, a key is commonly inserted into a keyway that is machined in both the bore and shaft. The key is responsible for preventing rotation between the shaft and the bore, and carries a portion of the torque load. Improperly fitted keys and keyways -either too tight or too loose- can result in mechanical failures.