Explain the function of inserts and jet nozzles in drill bits.
Q: 13. What are the major functions of drill string in drilling engineering?
A: Since we only solve one question, we will answer the first. Please resubmit the other questions you…
Q: Explain how does a basic drill press works.
A: Drill press :
Q: 22. Calculate the rpm for machining a cast iron work piece 10 inches in diameter and the cutting…
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Q: The advantage of a universal chuck is that it can handle rectangular shape workpieces. Select one:…
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Q: 3) Explain the advantages and any disadvantages of indexable cutting inserts. Why were they…
A: Given :- the advantages and any disadvantages of indexable cutting inserts. Why were they…
Q: Drill Socket ?
A: To Describe : The Drill sleeve and A Drill socket.
Q: The disadvantage of a universal chuck is that not possible to hold eccentric workpieces. Select…
A: Let us discuss about universal chuck.
Q: Sample Problem 1 A man create a 5 inches thick hole with a 2" diameter on an aluminum flat bar.…
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Q: Why is speed important in a drilling operation? What are the results of a drill bit with unequal lip
A: Speed is very important in drilling operator as it determine the life of the drill. If cutting speed…
Q: Calculate the RPM for drilling at 200 SFM and feed rate (in/min) for a chip load of .010 (in/rev).…
A: Given : The value of SFM (surface feet/min ) for aluminum , V= 200 The value of chip load , D =…
Q: Why proper selection of cutting speed is important in machining? What is the main advantage of a…
A: Given Machining To find Significance of cutting speed Advantage of turret lathe Advantage of band…
Q: Discuss the difference between upright drilling machines with radial arm drilling machine with neat…
A: Upright drilling machine and radial drilling machine This are the type of drilling machine which are…
Q: In a single pass drilling operation, a through hole of 15mm diameter is to be drilled in a steel…
A: Given: The diameter of hole, d = 15 mm The thickness of plate, h = 50 mm The spindle speed, N = 500…
Q: b. A drilling operation is to be performed with a 13 mm diameter HSS twist drill on a mild steel…
A: Given data: d=13 mmT=80 mmt=65 mmv=0.42 m/sf=0.3 mm/rev Need to determine the angle of such drill…
Q: A cutting tool has a nose radius of 1.8mm find the feed rate for a theoretical surface roughness of…
A: Concept: Surface roughness is measured by center line average. (CLA) CLA = (fxf) / (8 x R) Where f…
Q: HOW DOES A BASIC DRILL PRESS WORKS?
A: Drill press is mainly used to produce the holes (through or upto certain depth) by using rotating…
Q: A 12" through hole is to be drilled in a 1 inch thick steel plate. A standard twist drill having a…
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Q: is speed important in a drilling operation ? What are the results of a drill bit with unequal lips ?…
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Q: 2. “Milling is an intermitted cutting operation”. Explain it.
A: Intermittent cutting means the cutting is not continuous. That means at some time tool is in contact…
Q: How is twist drill manufactured? Explain with neat sketches wherever applicable.
A: Solution:
Q: With neat diagram explain the drilling operations such as counter boring, counter sinking and…
A: The drilling operations such as counter boring, counter sinking and tapping is given.
Q: A 0.4-inch diameter bit is used in a vertical or vertical drill that operates at 300 rpm. If the…
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Q: “Milling is an intermitted cutting operation”. Explain it
A: Intermittent cutting is that cutting when the cutting is interrupted or we can say at some time tool…
Q: Differentiate between orthogonal and oblique cutting.explain the importance of each
A: Orthogonal cutting process: During the cutting process, when the cutting edge of the tool is…
Q: What is the function of a drill bushing? In cases where a drill bushing is not used, how is the jig…
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Q: Explain the functions of drilling Stabilizers in drill string?
A: Drill string: It is a drilling ring column of the drill pipe which is used to transfer torque and…
Q: n a drilling operation under, a given condition, the tool life found to decrease from 20 mint to 5…
A: Given:Tool life, T1=20 minutefinal tool life, T2=5 minutedrill speed, N1=200 rpmfinal drill speed,…
Q: This troubleshooting probably occurs in the drilling operation due to high cutting speed,…
A: Option (d) is correct. Excessive drill wear
Q: explain any four different types of drill bits used in various drilling operations
A: Drilling is a cutting operation in which a drill bit is used to create a round hole in solid…
Q: What are the advantages of directional drilling?
A: Directional Drilling- It is the technique that is used to extract petroleum oil or gas from…
Q: Assume that, in orthogonal cutting, the rake angle, oz, is 20° and the friction angle, B, is 35° at…
A: Merchant theory gives higher shear plane angle means smaller shear plane and lower shear force which…
Q: During plain turning mild steel by a tool of geometry 0°, 0°, 7°, 8°, 12°, 90°, 0 (mm) at so= 0.35…
A: Given data: a2=0.625 mms0=0.35 mm/revϕ=90° Need to determine the value of ξ.
Q: Which of the below is true for conventional milling: O Chips are removed behind the cutter which…
A: Given:- Convectional milling To find:- Which statement is correct
Q: 3. It is required to machine a slot with length 100 mm, width 15 mm, and depth 4 mm. Calculate the…
A: Given: The length of machine slot, L = 100 mm The width of machine slot, b = 15 mm The depth of…
Q: Calculate the RPM for drilling at 600 SFM and feed rate (in/min) for a chip load of .010 (in/rev)
A:
Q: Define Formation pore pressure? Why its important in drilling operations ? How much is the usual…
A: Given:- Formation pore pressure:- The pressure exerted by the fluid…
Q: The advantage of an independent chuck is that it is easy to work with. Select one: True False
A: A chuck is a machine component that is used to hold the workpiece in the predefined position in such…
Q: With a neat sketch explain the drill bit nomenclature?
A:
Q: With neat sketch explain the tap drill
A: Tap drill nomenclature:
Q: A mild steel block is being drilled with a drill of 10 mm diameters. Given Helix angle = 30° Feed =…
A: Drilling is the most common hole-making operation. It is usually performed with the help of a twist…
Q: In a turning operation on cast iron, the nose radius on the tool = 1.5 mm, feed = 0.22 mm/rev, and…
A: Given data: Nose radius of the tool = 1.5 mm Feed = 0.22 mm/rev Speed = 1.8 m/s Need to determine…
Q: 21.20 Is material ductility important for machinability? Explain.
A: Yes ductility is required for better machinability.
Q: 2. Sketch a radial drilling machine? Explain the working, advantages and disadvantages of a radial…
A: Radial drilling machine: A radial drilling machine is illustrated in Fig. below. This is really…
Q: radial drilling machine?Explain the working,advantages and disadvantages of aradial drilling…
A: The radial drilling machine is an industrial equipment that was created for large and heavy work…
Q: With aid of neat sketches, explain the drilling parameters.
A: Given:
Q: Which one of the given below is/are associated with cemented carbide tools?
A: Which one of the given below is/are associated with cemented carbide tools? Answer: C)All
Q: Draw and label the parts of an upright drilling machine. What type of operations can be performed on…
A:
Q: 1. Name the direct measurement and indirect measurement rock and fluid properties. 2.…
A: 1. Direct measurement: Measuring instruments such as “Vernier calipers, micrometer, and coordinate…
Q: 2:(b) “Milling is an intermitted cutting operation”. Explain it.
A: Intermittent cutting means the cutting is not continuous. In other words at some time cutting tool…
3. Explain the function of inserts and jet nozzles in drill bits.
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Solved in 3 steps
- Explain how the size of an upright drill press is determined.Explain how does a basic drill press works. *5. Blind hole 20 mm diameter, 60 mm deep are being drilled in steel stock, drilling spindle speed is 500 rpm, feed 0.3 mm/rev, point angle of drill is 1180. Machining time ( in minutes ) per hole will be .. (a) 0.40, (b) 0.42, (c) 0.44, (d) 0.46, (e) 0.48
- 2. Through hole of 12 mm diameter is to be drilled in a steel plate of 20 mm thickness, drilled spindle speed is 20 m/min, feed 0.25 mm/rev and drill point angle is 120°, the amount of material removed at the first 10 sec after full engagement of drill will be mm/sec. (a) 2300, (b) 2400, (c) 2500, (d) 2600, (e) 2700What are the Bench Drill Press OBJECTIVES/PURPOSE and its UNIT? note: specify the brande) Explain the functions of drilling Stabilizers in drill string?
- 3. Through hole of 12 mm diameter is to be drilled in a steel plate of 20 mm thickness, drilled spindle speed is 20 m/min, feed 0.25 mm/rev and drill point angle is 120°, the amount of material removed at the first 10 sec after full engagement of drill will be .. (a) 2300, (b) 2400, (c) 2500, (d) 2600, (e) 2700 mm /sec.1. What are the major properties of drilling fluids? (write down at least 10 major properties)Handwritten solution recommended. (1) A twist drill bit is used to drill a hole of diameter 2.0 at 4578.1 rpm at a feed rate of 2.5 in/min. Calculate the MRR in in^3/min. Take "pi" = 3.14. Round your answer to the nearest tenth.