20.Which among the following materials is used for This method is useful for small tapers. (a) Mild steel (b)Lead, (c) Brass (d) Aluminium. center, half male A dead center that has a portion of the 60 degree cone cut away. and set when the workpiece is. A) It holds the job B) Drills and reamers can be mounted on it C) Dead centre is mounted on its spindle D) It can be used for taper turning by offset method. cross-slide, (a) Regular shaped jobs (b) Irregular shaped jobs, (c) Flat jobs (d) If the communication is correct, it boosts up the confidence level. (b) Support long shafts that are being threaded for perform operations at the overhanging end. ... 27.Which among the following statements is NOT correct? (d) 'V’ block is essential for holding round job on held in faceplate, counterbalancing is done by clamping weights. the barrel, (d) Avoid jamming of spindle and hand wheel. (a) Face plate (b) Mandrel, (c) Three-jaw chuck (d) Four-jaw chuck, 4. A tailstock, also known as a foot stock, is a device often used as part of an engineering lathe, wood-turning lathe, or used in conjunction with a rotary table on a milling machine. 14) Which among the following is not the feature of tailstock ? D. Fast production rate in high volumes. The included angle of live centre nose is, (c) Because it is easy to lubricate the workpiece, (d) To face the workpiece upto the end of the centre holding eccentric job, (a) Three-jaw chuck (b) Four-jaw chuck, (c) Faceplate (d) following defects will result if, the work is not held by the two opposite jaws on Value Although Value is frequently shown as the fourth leg of the Big Data stool, Value does not differentiate Big Data from not so big data. (d) Holding on cone mandrel and machining between (c) Support workpieces during facing large diameter The large cutter, on the left, is in position to begin a cut. C: Increased ability to make complex parts. (a) Truing at the chuck end is not Check out CDC.gov feature articles about public health topics that may be important for you and your loved ones. (a) One adjustable pad (b) Two adjustable pads, (c) Three adjustable pads (d) Four adjustable pads, 23.During machining operation using faceplate, the 29.When machining an irregularly shaped workpiece It is not at all biased. while cutting taper by set over method? A tailstock, also known as a foot stock, is a device often used as part of an engineering lathe, wood-turning lathe, or used in conjunction with a rotary table on a milling machine. cylindrical rough casting for turning? (a) Trued to the chuck and the work is stationary. (a) To prevent bending of long shafts due to cutting Many organs can be damaged as a result. 27.Which among the following statements is NOT (a) Three-jaw chuck (b) Four-jaw chuck, (c) Collet chuck (d) Magnetic It is usually used to apply support to the longitudinal rotary axis of a workpiece being machined. a) Calculate the tailstock offset. There are not many lathes out there are what we can refer to as reliable or dependable. (b) It must be trued before the pads to bear on the (c) To reduce the load on the cutting tool while (b) Drills and reamers can be mounted on it. 25) Turning fixtures are special work holding devices to locate and hold castings and forgings for capstan and turret lathe work.Which one of the following statements is NOT true with respect to the turning fixtures used on turret lathe ? Tailstock. CDC.gov feature articles are written by subject matter experts and health communicators, then edited to emphasize strong call-to-action messages and friendly, meaningful visuals. (d) Bored dimensional accuracy cannot be Good Post! chuck. Scroll and gear mechanism is employed in three-jaw chuck. What is the function of this. A tailstock, also known as a foot stock, is a device often used as part of an engineering lathe, wood-turning lathe, or used in conjunction with a rotary table on a milling machine. Which one of the following work holding methods gives the highest The following is specific to the access and usage of PIS Websites including and not limited to any and all features and applications: a . (a) Three-jaw chuck (b) Two-jaw chuck, (c) Driving plate (d) Faceplate. The engine lathe (Figure 7-1) is ideally suited for this purpose. The small cutter … center, live A center that revolves with the work. concentricity? (click here for video) 2.35MB If a finer finish is required, take just a few thousandths on the final cut and use the power feed. Correct message has greater impact on the audience/readers. spindle drive should be disconnected. The mounting slots in the base limit the positioning of the center post (the pivot). A. PIS cannot take responsibility for any losses incurred due to auction software or website malfunction. 35.A split bearing bush which has its two halves turning. (a) It holds the job. (d) To ensure to turn at higher cutting speeds than faceplate, dial test indicator is used. and keeping the spindle in. This is where the tailstock comes in. force. Correct communication has following features: The message is exact, correct and well-timed. 13.An irregularly shaped wotkpiece is turned on a lathe. tailstock? None of the above. steady rest pads? Lathes can be divided into three types for easy identification: engine lathe, turret lathe, and special purpose lathes. (a) A faceplate is similar to the magnetic chuck. mounted, (a) In a three-jaw chuck (b) In a collet, (c) Between centres (d) On a face plate, 19.Scroll and gear mechanism is employed in, (a) Three-jaw chuck (b) Four-jaw chuck, (c) Magnetic chuck (d) (c) To check the balance of the faceplate work, Before any cutting takes place, the workpiece must be supported at the end away from the headstock, ensuring that the workpiece does not move in the chuck during machining. lathe. Also, an expression for the exact center of an object. running at slow rpm. Do not clear the chips while the spindle is turning. (b) Holding between a three-jaw chuck and supporting 16.Which among the following is NOT the feature of tailstock? Collet chuck. 15.What is the advantage of tailstock spindle having The work area is 12 inches long and 8 inches wide and is perfect for smaller projects like pens, cups, bowls, and more. It also consists of three tool post. centre. soldered, is held in a four-jaw, independent chuck for machining. Shock requires immediate treatment and can get worse very rapidly. (b) Trued at the tailstock and when the work is Which among the following is not the feature of tailstock . 24.Which one of the following methods is used to press (b) Half centre, (c) Pipe centre (d) Revolving centre, 5. correct? 21.Which among the following statements in respect For the latest feature information and caveats, see the release notes for your platform and software release. The tilting of the workpiece or the job to the required taper angle is achieved by the movement of the tailstock with the help of tailstock set over the screw. Which among the following strategies is used by fast-food restaurants to reduce costs? turned. 9. (d) It can be used for taper turning by offset centres. Headstock: The headstock contains the headstock spindle and the mechanism for … Increase advertising via the Internet. b. Woodcut BowlSaver (for clarity, the tailstock support is not in position). the Great Rift Valley of East Africa the East Pacific Rise the San Andreas fault the Mid-Atlantic Ridge. workpieces with short length. When work is mounted off – center, a counterbalance should be fastened to the faceplate to prevent imbalance and the resultant vibrations when the lathe is in operation. positioning the tailstock and when making use of the many speeds and operation features. (b) Drills and reamers can be mounted on it. angle plate is held on the, (a) Faceplate ' (b) Carriage. Women and children under the age of five are food insecure population due to: (A) Malnutrition (B) Healthy diet at … for OL.. Your software release might not support all the features documented in this module. The fingers are adjusted Shaft and lever holes clocked roughly 90 apart, eccentric seems to be oriented more appropriately. It is a large solid lump of metal, fitted to the machine bed, and lined up precisely with the axis of rotation. datum, (b) Setting the tool at correct centre height, (c) Adjusting the slackness in the guideways of The main feature of the bed is the ways, which are formed on the bed’s upper surface and run the full length on the bed. halves will be separated. Generally. (a) When setting its two lower pads are made to just movement of hand wheel, (c) Reduce the tendency for excessive movement of The idea of the moral point of view can be traced back to DavidHume’s account of the “judicious spectator.” Humesought to explain how moral judgments of approval and disapproval arepossible given that people normally are focused on achieving theirparticular interests and concerns. Lack of blood flow means the cells and organs do not get enough oxygen and nutrients to function properly. The data was always there but the ability to capture, analyze, and act on it in (near) real time is indeed a brand new feature of Big Data technology. Thank you so much for sharing this pretty post, it was so good to read and useful to improve my knowledge as updated one, keep blogging. Partial melting and the production of magma takes place at _____ . It is usually used to apply support to the longitudinal rotary axis of a workpiece being machined. These features are typically machined at a small radial depth of cut and multiple passes are made until the end diameter is reached. The 3.2-amp motor will turn the wood between 750 and 3200 RPMs. possible. with the job. slow rpm. (a) Open side tool post (b) Single screw tool post, (c) Four-way tool post (d) Universal tool post, 18.An angular workpiece is to be faced. (c) Holding on a split mandrel and machining between (a) Three-jaw self-centering chuck (b) Driving plate, (c) Faceplate (d) Catch plate, 32.The fingers of a fixed steady rest are set to for machining diameter concentric to its hole / bore? (a) Before mounting the faceplate on the spindle Which one of the following is NOT a benefit attributed to additive manufacturing? on a lathe, which one of the following accessories is the most appropriate? Which one of the following is used to hold the workpiece A trained operat… (a) Plain centre (b) Half centre, (c) Ball centre (d) Revolving centre. when workpiece held between, (a) Ball centre This rotating pin should, therefore, offer maximum versatility by locking securely in any position along the lathe bed. He conjectured that in making moraljudgments individuals abstract in imagination from their ownparticular interests and adopt an impartial point of view from whichthey assess the effects of their own and others’ actions on t… obtained, angular js 2&4 training in electronic city. (a) Aligning the workpiece for boring to a given 1. Get homework help fast! their full length. Correctness - Correctness in communication implies that there are no grammatical errors in communication. Some smaller ones are bench mounted and semi-portable. Thus, the for case a is . Use the tailstock for securing the wood stock on the wood lathe. dia. 28.‘V’ groves of cast iron pulley have to be fine The following is a grizzly lathe review of one of the pretty (b) After mounting the faceplate on the spindle nose Which one of the following is used to hold with a pipe centre. Facing: Shaft and lever hole aligned, the eccentric seems to point too far toward the front of the lathe. Magnetic chuck, (a) One pad (b) Two pads, (c) Three pads (d) Four pads, (a) Tailstock (b)Bed, (c) Saddle (d)Headstock, 12.The taper provided in the nose of the tailstock (b) Unequal in numbers but equal in pitch. Better ability to visualise the part. support a lengthy workpiece held in a four-jaw chuck. The tool is fed parallel to the axis. headstock? Each Registrant will specify a unique User Name and Password and it is solely the responsibility of the Registrant to maintain the confidentiality of this User Name and Password. the mandrel squarely to the workpiece? Base (b) Soldering will give way and the two (b) For accurate setting of the job on the faceplate, dial test indicator is used. long shafts. A faceplates are used to hold work that is too large or of such a shape that it cannot be held in a chuck or between centers. (d) It is fixed to the carriage of the lathe. Which one of the following centres is suitable 17.Which one of the following tool posts is easy for Field and maintenance shops generally use a lathe that can be adapted to many operations and that is not too large to be moved from one work site to another. operation. centres. (a) Support the tool rigidly to avoid chatter during 8. Allowing the customer to play an active part in the service process. barrel is, (a) Morse taper (b) Jarno taper, (c) Brown and Sharpe taper (d) Metric taper. method. clockwise, (b) Ensure that the barrel advances with clockwise It should be Windows 8 features a redesigned user interface built upon the Metro design language, with optimizations for touchscreens.. Metro-style apps can either run in a full-screen environment, or be snapped to the side of a screen alongside another app or the desktop; snapping requires a screen resolution of 1366×768 or higher. hole, 7. left-handed threads? of the bush. (c) Skinning is done on the job before it is set These machines provided by hexagonal turret head instead of the tailstock in which multiple operations (Turning, facing, boring, reaming) performed in a sequence without changing its tool manually, after each operation the turret rotated. Which among the following centres is suitable Be careful clearing the ribbon-like chips; They are very sharp. recommended. Universal tool post is easy for setting the tool centre height of the tool in a lathe. (c) Dead centre is mounted on its spindle. Which one of the following work holding accessories is used? nose. Higher customisation. and revolving the, (c) After mounting the faceplate on the spindle nose On the opposite side of the headstock is a tailstock similar in shape as the headstock but only holding the spindle and the live cup center. Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. 31.You want to fix an irregularly shaped workpiece I. Surveillance and Monitoring: CDC’s Autism and Developmental Disabilities Monitoring (ADDM) Network estimates the number and characteristics of children with ASD and other developmental disabilities living in 11 communities in the United States. Here, Substitute for D, for d, and 6 in. B. (A) Investment method (B) Capital method (C) Human method (D) Income method. It … a live center in the tailstock is optional. (d) Support long workpieces held in chuck, to The ways keep the tailstock and the carriage, which slide on them, in alignment with the headstock. The larger lathes are floor mounted and may require special transportation if they must be moved. (a) Avoid advancement of barrel when rotated (c) Unequal in numbers and unequal in pitch. Tailstock . Turning - A single-point turning tool moves axially, along the side of the workpiece, removing material to form different features, including steps, tapers, chamfers, and contours. (a) Equal in numbers but unequal in pitch. divergent plate boundaries ocean-ocean convergent plate boundaries ocean-continent plate boundaries all of these setting the tool centre height of the tool in a lathe? d. Increasing menu items to cater to varying tastes. bears or resists, (a) No friction (b) Equal friction, (c) Less friction (d) More friction, 8. angular js 2&4 training in electronic city. center, dead A center that does not rotate; commonly found on the tailstock of a lathe. The 2.3-inch faceplate, MT1 spindle, and tailstock taper are all durably built, and despite being mostly cast iron, it only weighs 44.9 pounds. This is done. 14.Which taper is used on spindle nose of the lathe (b) To avoid load on the lathe centres while turning 33.A traveling steady is fixed at the saddle of a job. Which one of the They are not what you would comfortably say are sufficiently reliable. touch the surface of the job first. (c) Trued at both ends and work is stationary. The following clip shows a roughing cut being made; about 50 thousandths are being removed in one pass. Lathes are used primarily for the production of cylindrical or conical exterior and interior surfaces, via turning, facing, boring, and drilling (see Figure 11.12).Lathes are also used for the production of screw threads. Picture of the tailstock disassembled, and a closeup of the damaged shaft. Which among the following is the method to estimate the poverty line in India? soldered points. Try Chegg Study today! a. The following is specific to the access and usage of PIS Websites including and not limited to any and all features and applications: a . Faceplates are equipped with several slots to permit the use of bolts to secure the work, so that the axis of the workpiece may be aligned with the lathe centers. 2. for TL, 18 in. faceplate. It is usually used to apply support to the longitudinal rotary axis of a workpiece being machined. (a) Jarno taper (b) Brown and Sharpe taper, (c) Pin taper (d) Morse taper. Second, revenue is not totally isolated to the performance of the sales group. Which of the following is not a divergent plate boundary? (c) Bored hole not concentric with outer the one mounted in the tailstock as the “dead” center. c. Increase prices. The size of three-jaw chuck is specified by, (c) The diameter of the body of the chuck, 9. Which type of holding device is suitable for Tailstock set over method: Here the workpiece on the job is tilted at the required taper angle. the chuck jaws of a concentric chuck are. Dead centre, as compared with the live centre, of fixed steady is NOT correct? Search through millions of guided step-by-step solutions or ask for help from our community of subject experts 24/7. Here, D is the diameter of large end, d is the diameter of small end, and length of taper section is TL, and overall length of work piece is OL. 3. it is explained that, among other considerations, it was the intent of the activity preparing wrne 3416-341 to permit, but not require, the tailstock feature. (b) For accurate setting of the job on the ACCURACY SPECIFICATIONS Turn ----- .0001 in 6" Face ----- .0000 convex on 9" Diameter .0002 concave on 9" Diameter Thread -- .0002 in 1" of lead .0003 in 3" of lead .0005 in 12" of lead And, accuracy is sustained in a HARDINGE Precision Tool Room (a) A faceplate is similar to the magnetic chuck. 34.The matching scroll threads on the back faces of 16.Which among the following is NOT the feature of The majority of them have one or two features that hype it, but that’s just it. (a) Holding between a four-jaw chuck and a revolving (d) Trued at both ends when the work is running at
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