Sunk Key YouTube
A sunk key is a key that fits into keyways in both the shaft and the secured member in machinery. Sunk keys are sunk into the shaft for half its thickness, where the measurement is taken at the side of the key. There are six main types of Sunk keys: Rectangular sunk key Square sunk key Parallel sunk key Gib head key Feather key Woodruff key 1.
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Tapered or rectangular are the most common shape of shaft key. They keyway which is a slot provided in hub of a gear, sprocket, pulley and various rotating power devices which can receive key. The slot in hub is cut on key seating machines by milling, shaping, broaching, slotting and planning.
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of taper key as following: 1- Sunk taper key The standard form of this key either of rectangular or square cross-sections. It is sunk in shaft to the depth of one-half its nominal thickness, the remaining portion fits in the keyway inside the hub. Approximately proportions of a sunk taper key of rectangular cross-section; if the
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Many ways to classify the keys. so let we check it out types of keys below : Saddle key and Sunk key. Square key and Flat key. Taper key and Parallel key. Key with and without Glib-head. There are some special types of keys are also available. some of the special types of keys are given below : Woodruff key.
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The taper on key or tapered key means the thickness of key reduces along its length. Both square an rectangular sunk keys are placed half in the shaft and half in the mating part or hub. The sunk keys are of the following types: (i) PARALLEL SUNK KEY: Parallel Sunk Key is uniform in width and thickness throughout.
JOINTS Adhesive joints Soldered joints Detachable joints
Sunk key Types of sunk keys: rectangularparallel sunkgib-headfeather, and Woodruff Parallel keys Parallel keys are the most widely used. They have a square or rectangular cross-section.
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ENGINEERING DRAWING
What Is a Woodruff Key? Why Use a Woodruff Key? Sunk Keys
What is Sunk Key? Contents show The term "sunk key" refers to a key that fits into keyways both in the shaft and in the secured member of the machinery. Simply put, these are keys in which one half fits into the pulley's keyway while the other half rests in the shaft's keyway.
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Taper 1:100 in a sunk key means that the key tapers by 1/100th of an inch for every inch of length. For example, if the key is four inches long, it will taper by 0.04 inches. This taper allows the key to fit securely in the mortise, providing a strong and secure connection between the shaft and the hub.
KEYS
1. Rectangular sunk key. A rectangular sunk key is shown in Fig. 1. The usual proportions of this key are : Width of key, w = d / 4 ; and thickness of key, t = 2w / 3 = d / 6 where d = Diameter of the shaft or diameter of the hole in the hub. The key has taper 1 in 100 on the top side only. Fig. 1 Rectangular sunk key. [sam_block id="2″]
Sunk Key Types, Advantages, Disadvantages, Uses
PDF LINKhttps://drive.google.com/file/d/1THu7KtE9zeUIrH4L0i8Xik2ndcxz9pEW/view?usp=drivesdkHINDI NOTEShttps://drive.google.com/file/d/1TJHbkJdN7Wz9eU9kh9LUGQ.
Types of Mechanical Keys Shaft Key Types of Key Sunk, Saddle, Gibs Head, Flat, Round, Taper
Parallel sunk key: If no taper is provided on the rectangular or square sunk key, it is called parallel sunk key i.e. it is uniform in width and thickness throughout. It is used where the pulley, gear or other mating piece is required to slide along the shaft.
DIN 6883 Taper Key Torque Transmission; Parallel Keys China Circular Taper Key and Taper Sunk Key
GIB HEAD DIMENSIONS FOR TAPER KEYS. A taper key is uniform in width but tapered in height. The bottom surface is straight and the top surface is tapered.. Sunk Key: A standard form of key with rectangular or square cross-section in which the key fits into the keyseats on the shaft and the hub. Reference: Oberg, E. , Jones ,F.D. , Horton H.L.
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Taper and round-ended sunk key and keyway acc. to ISO 6886 Dimensions of parallel keys and taper keys 1) The tolerance zone for hub keyway width b for parallel keys with normal fit is ISO JS9 and with close fit ISO P9. The tolerance zone for shaft keyway width b with normal fit is ISO N9 and with close fit ISO P9.
PARALLEL AND TAPER SUNK KEY STEP BY STEP YouTube
This type of sunk key has a uniform height throughout the key at both ends. So it is named parallel keys. Tapered keys. Like parallel keys, this sunk key type doesn't have a uniform height, instead, they are tapered at the upper surface in the ratio of 1:100. So they are called tapered keys.
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Taper 1:100 9.10 SUNK KEYS A sunk key is a key in which half the thickness of the key fits into the keyway on the sheft and the remaining half in the keyway on the hub. Therefore, keyways are required both on the shaft as well as the hub of the mating element. This is a standard