1)1. why drill tool has helical grooves cut around the body?
Q: Which cutting tool material has the highest hardness? a. Carbide b. Tool steel c. CBN d. HSS
A:
Q: W hat are the consequences if a cutting tool chips?
A: Consequences if a cutting tool chips this is related to chip formation. the chips are formed due to…
Q: Which of the following tools is essential in sheet metal job but not in a fitting job? A. Steel…
A: Steel ruler- it is a measuring tool to measure the linear dimensions. It is used in fitting job.…
Q: When cutting a beam at a point within a distributed load, you should always
A: The uniform distributed load is the force applied on an area while the point load is the force…
Q: In which cutting process workpart is fed past a rotating tool with multiple cutting edges?…
A: In broaching, the tool is moved back and forth. Turning is a single point cutting tool operation.
Q: b) With a neat sketch differentiate between boring and tapping operation.
A: This question is from manufacturing engineering. We have to define boring and tapping operation.
Q: By what the size of upright drill press is identified? a)largest-diameter cut b)largest-diameter…
A: Upright drill machine An upright drill machine is used to drill the workpiece vertically. In this…
Q: 3. Describe the characteristic of good cutting tools
A: Good cutting tool must have the following characteristics:- Good strength High thermal stability…
Q: 1. Differentiate conventional and non-conventional cutting tools
A: Based on type of toop used, machining tool can be categorized into two groups, conventional and…
Q: 1) Which one of the following materials is used in the fabrication of Rolling mills? a. Malleable…
A:
Q: What type of tools can be used to keep workpart non-movable and apple semiprecision cutting…
A: In semi precision cutting operations one doesn't require any complex holding tools like Adjustable…
Q: On increasing the value of rake angle, the strength of tool O Increases O Decreases Remains constant…
A:
Q: Tool wear refers to abrasion on .............. and the tool edge become worn a) Cutting edge. b)…
A: Tool wear refers to abrasion on .............. and the tool edge become worn a) Cutting edge. b)…
Q: What are the Bench Drill Press OBJECTIVES/PURPOSE
A: A bench drill press is a machine tool used to produce holes in a work piece. The tool used is called…
Q: On increasing the value of rake angle, the strength of tool
A: GIVEN DATA SOME STATEMENT ABOUT RAKE ANGLE IS GIVEN WE HAVE TO CHOOSE CORRECT OPTION
Q: CNC machine tools can have 5 axes,
A: CNC machines are the corner stone of modern automated complex high precision manufacturing
Q: Explain non-releasing spear and milling tool in fishing jobs
A: Spears are called the grapping devices that have threaded pr tapered profile .These tools can mesh…
Q: Make a neat schematic drawing of the required surface finish for roughness 1.6 achieved by milling.
A: The character of a surface is known as surface finish, surface texture, or surface topography. It…
Q: Need to sketch initial design of automated hammering machine. Sketch should be in simple and proper…
A: Automated hammering machine can be used for forging operation and can be power driven combined with…
Q: 6. Does the tool have any parts that are designed to wear out and be replaced on a regular basis?…
A: Solution: Note: Dear Student! As per our guidelines, we are only allowed to answer a single…
Q: For wire drawing operation, the work material should essentially be (a) ductile (b) hard (C)…
A: A wire drawing is a process in which the diameter of wire is reduced in several steps and the most…
Q: 1.With a neat diagram ,explain about the working of Single Slope ADC
A: The is the basic idea behind the so-called single-slope, or integrating ADC. Instead of using a…
Q: n machining operation, if velocity doubled then the tool life reduced to 1/16 th of initial value.…
A: Given; Taylor tool life equation is given as : VTn=CV= velocityT = tool life n is the Taylor tool…
Q: machining time per pass is minutes.
A: Given data; block length(l)= 200 mmmilling cutter diameter (D)=34mmdepth of cut=2mmtable…
Q: Question 4: A motorised metal guillotine machine is required to cut 45 mm diameter hole in a plate…
A: Given data: dh=45 mmt=20 mmn=35 holes/nimE=7 N.m/mm2tc=110sec Need to determine the energy required…
Q: Give some pictures illustrated about finishing under shaper work processes.
A: A shaper machine is a single-point cutting machine that Is used for machining the vertical and…
Q: xplain 4 jaw chuck in lathe machine 1-materi
A: Four jaw universal chuck : Independent four-jaw chuck, also known as a universal chuck, with the…
Q: 2. Identify and explain the safety procedures and precautions that should be followed when working…
A:
Q: 1. What type of tool is it? 2. What is its main purpose? 3. What secondary functions does the tool…
A: 1.A hammer is a tool, usually a hand tool, that consists of a weighted "head" attached to a long…
Q: The shear angle
A: Given data: An ortogonal turning operation is carried out under the following condition: Rake…
Q: - Three-jaw chuck -Mandrels
A: given :irregular shaped workpiece clamping devices
Q: Explain how a dull tool can lead to negative rake angles.
A: Dull tool :- With large lots and aggressive machining conditions, it is likely that cutting tools…
Q: What’s the difference between radial arm and upright drill press? a)Different cutting tool…
A: Given data : radial arm upright drill press
Q: Milling Machine tool is an example of two axes machines
A: Milling cutting tool is the is an example of two axes machines. Answer: True
Q: 2- Which one of the following tool materials has the highest hot hardness? a) O High speed steels…
A: It is required to determine which of the tool material has highest hot hardness
Q: Give at least 3 references about finishing under shaper work processes
A: Shaping, like planing, is a distinct industrial operation that removes material from a workpiece.…
Q: Tool life testing on a lathe machine under the conditions given value of n and C as 0.12 and 130. If…
A: Given: Value of n= 0.12 Value of C= 130 Velocity, v=90 m/min C is increased by 10 %
Q: and fill out the blanks:
A: we have to name the different parts of a CNC lathe
Q: What are the uses of the following types of Chisel? Concrete Chisel Cold Chisel Cape Chisel Bevel…
A: We have to written the uses of the following types of Chisel? Concrete Chisel Cold Chisel Cape…
Q: Clarify the relation of slope and rate of change?
A: The slope is the ratio of the vertical and horizontal changes between two points on a surface…
Q: the tool life
A: Given; Taylor's tool life exponent is =0.2tool changing time is=1.5 minDetermine tool life for…
Q: Why Weekly schedule maintenance is necessary for the machine tools?
A: Maintenance is the process employed in checking the working of the machine tool and repairing them…
Q: Which machine did we used to cut our raw ?material )1 نقطة( Drilling machine O Shaping Machine O…
A:
Q: Increasing the entering angle of the tool affects the vibrations during cutting by:
A: Entering angle is the angle between the leading cutting edge of the tool and surface of the…
Q: Q3:- Choose the Correct answer. (1):- The drilling tool must be with a- High hardness b- Low…
A:
Q: Q1. a. Define a machine tool and list all four functions. b. List all the classifications of machine…
A: Machine tools are used to produce the required size, shape of the work piece. To get the material…
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- What abrasive is commonly used to grind steels?If a 0.050" depth of cut is taken on the diameter of a workpiece, by how much will the diameter be reduced?-How many holes require drilling? -What is the center to center distance of the 6mm tapped holes? -What tap drill is used for holes marked Z? -How many surfaces are machine finished? -What are the dimensions of the face marked F & C? -What are the dimensions have symbols A, E &, B -In what dihedral angle is the drawing made? -What is the max and min dimensions of D -What is the tolerance of measurement D?
- wing (3) You are to produce a machine part (a shaft) with different diameters S0mm.35mm and 30mm with thread and keyway at the end of the shaft (a) How many machines and cutting tools will you use to produce this part 1What factors might determine when a hole must be finished by reaming?a. If rough milling of mild steel is performed using High Speed Steel (HSS) side and face milling cutter of 100 mm diameter, what rpm should be used. b. If finish turning of a shaft is done to reduce its diameter from 24 mm to 20 mm using carbide tool, what rpm should be used. Metric Surface Speeds in m/min (Cutting Speed) Tool Material Aluminum Drilling Carbide 90 - 115 Milling - Rough Carbide Milling - Finish Carbide 120 - 240 Turning Carbide Rough Carbide Finish HSS HSS HSS 55 - 60 120 - 240 150 - 270 75 - 105 60 - 90 60 - 90 135 - 180 Brass 40 - 45 75 - 100 45 - 60 60 - 75 90 - 210 105 - 210 135 - 260 35 - 45 55 - 75 60 - 90 75 - 105 60 - 100 Cast Iron 12 - 18 15 - 25 25 - 30 60 - 90 75 - 135 Mild Steel 10 - 15 75 - 105 75 - 120 18 - 27 18 -3- 45 - 60 23 - 40 100 - 145 Stainless Steel 8 - 18 25 - 37 10 - 15 55 - 67 12 - 25 85 - 150
- Question 1 a.Define the following termsi)Driling and boring b.State the metal cutting tool used in drilingc.State the three types of drill pressesd.label 3 drill pressesIf the ultimate shear stress of a 1/8 inch thick drawn steel plates is 35 ksi what force is required to punch a 1 1½ inch diameter hole? A. 10,011 lbs B. 22,322 lbs C. 11 Mtons D. 20620 lbs Please solve the Problem elaborately and Refer Machine Elements and Stresses Equations from the figures or use other shortcut Methods you have or you may Solve both or in more different methods the better ?. Your solution will be use as reference for my Future Board Exam preparation/review/study. Thank you so much dear your work will be appreciated much and rated excellently.1) Orthogonal Cutting: In an orthogonal cutting test on mild steel, the following results are obtained: to = 0.3 mm tc = 0.7 mm w = 3 mm Fc = 1000 N FN = 500 N (Fp in your book) Tool rake y = 0 Calculate: a. Mean angle of friction ß on tool face b. Mean shear stress Ts