Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN: 9781285444543
Author: Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 4.3, Problem 10RQ
Calculate feed depth for a 90-degree countersink used to machine a 0.40"-diameter chamfer existing l/4"-diametrr hole.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Complete feature control frame that controls perpendicularity of the hole to .012" diameter at MMC relative to datum feature A and straightness of the hole to .004" diameter at MMC
Design a jig to drill 8 holes of 10 mm diameter in a PCD of 240 mm circular plate of 300 mm outer diameter with 20 mm thickness
3.) Given a dividing head with available index plate hole circle: 12, 15, 21, 23, 27, 35, 40, 44,
52. Determine the possible indexing required (a) to produced a nonagon (9 sides) cross-
section from a circular cross-section workpiece and (b) to cut a 55-tooth spur gear.
Chapter 4 Solutions
Precision Machining Technology (MindTap Course List)
Ch. 4.1 - Upright drill presses are available in _______ and...Ch. 4.1 - List two general types of upright drill press...Ch. 4.1 - Explain how the size of an upright drill press is...Ch. 4.1 - Briefly describe the term sensitive drill press.Ch. 4.1 - Briefly describe a gang drill press and its...Ch. 4.1 - When would a radial-arm drill press most likely be...Ch. 4.1 - Briefly describe a micro drill press and its...Ch. 4.2 - What are the two main materials used to make...Ch. 4.2 - What two types of shanks are commonly found on...Ch. 4.2 - Name three functions of the flutes on a twist...
Ch. 4.2 - Name two types of flute styles for machine...Ch. 4.2 - Prob. 5RQCh. 4.2 - What is the major difference between counterboring...Ch. 4.2 - What must be used to secure a workpiece to an...Ch. 4.2 - What devices are used to elevate a workpiece to...Ch. 4.2 - If 50 parts measuring 1" I" 3" each needed a...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.2 - Which would be the best workholding device for...Ch. 4.3 - List five drill press safety guidelines.Ch. 4.3 - Briefly define the term cutting speed.Ch. 4.3 - What unit of measure is used to define cutting...Ch. 4.3 - What is feed, and how is feed stated for drill...Ch. 4.3 - Briefly describe two methods for locating hole...Ch. 4.3 - What is spotting and why is it performed?Ch. 4.3 - What is pecking, or peck drilling?Ch. 4.3 - Briefly contrast the speed and feed differences...Ch. 4.3 - What drill press component can be used to control...Ch. 4.3 - Calculate feed depth for a 90-degree countersink...Ch. 4.3 - Calculate feed depth for an 82-degree countersink...Ch. 4.3 - What benefit does tapping on the drill press offer...Ch. 4.3 - How many turns must a 1/4-20 tap be turned into a...Ch. 4.3 - Prob. 14RQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Calculate spindle RPM and machining time for cutting a 1.5" diameter 4" long at 225 SFPM using a feed rate of 0.004".arrow_forwardCalculate spindle speed and feed for the two following situations: a. Use an HSS 1/2"-diameter three-flute endmill to mill 6061 aluminum 350 SFPM using a 0.0015" chip load. b. Use a carbide 3"-diameter eight-tooth shell mill to machine H13 tool steel at 200 SFPM using a 0.003" chip load.arrow_forwardQuestions ( what is the diflerence between three-anis milling machine ? and five - axis 2. Calculate, the ked rate for milling with four teeth D= 40 mm end núll and' cutting speced Ve = speed Vc = 80 feed tooth per vin Write the NC code for the side milling 3. with D=10 mm end mill threegh poínts 1. 6. 42 (00 20 controllable point of the end mill Fead rate for vertical movement F=2000 am Feed vate for cutling (horizantal movement) is caloulated fn questian2. min 7 42 PIPZ P3arrow_forward
- A long workpiece, with the length-to-dimeter ratio that exceeds factor 10, is to be machined. Which workholding should provide the lowest deflection? Collet in the spindle and a live center in the tailstock Chuck on the spindle, a live center in the tailstock, and a follower rest Mandrel Solid center with a dog and a dog plate on the spindle, a live center in the tailstock Faceplatearrow_forwardWrite the NC part program for the part. Holes are threaded and requires two tools; T1 is a 0.5" HSS drill bit and T2 is a 0.5" tapping bit. The rest of the features are cut using a 0.75" HSS milling tool, T3. Feed rate and spindle speed are 10 ipm and 2000 rpm. The material is low- carbon steel. Part thickness is 0.5”. Use dotted lines two show the path of tools movements. Set up proper operation conditions as discussed in the class today.arrow_forwardUpvote will be given. Please write the complete solutions and FBDs Legibly. No long explanation needed.arrow_forward
- The outline of the part in figure below is to be profile milled, using a 20 mm diameter end mill with two teeth. The part is 10 mm thick. Cutting speed =125 m/min and feed = 0.10 mm/rev. Use the lower left comer of the part as the origin in the x-y axis system. The two holes in the part have already been drilled and will be used for clamping the part during milling, Write the part program in the APT format.arrow_forward10q In down milling, the workpiece is feed against the rotation of the milling cutter to produce a flat surface. Select one: True Falsearrow_forwardFind the end mill diameter for slotting operation by a cutting speed of 18 meter /minute and spindle speed of 260 rpm. End mill diameter in mm =arrow_forward
- Multiple grooving is most suited for: 4 1 2 3 O Rough grooving when the depth is bigger than the width O Minimizing vibrations and radial forces Machining steel and stainless steel and when the width of the groove is larger than the deptharrow_forwardWhat are the various operations performed on lathe? Explain atleast 10 operations with neat sketcharrow_forwardA high-speed heavy duty plain milling cutter 4 inches in diameter with 12 teeth is to be used. Each tooth s expected to remove 0.006 inch. What is the feed per revolution? 2. The feed per revolution is 0.0072 inch/rev and the machine is set for 120 rev/min. Find the feed in inch per minutearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Precision Machining Technology (MindTap Course Li...Mechanical EngineeringISBN:9781285444543Author:Peter J. Hoffman, Eric S. Hopewell, Brian JanesPublisher:Cengage Learning
Precision Machining Technology (MindTap Course Li...
Mechanical Engineering
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Cengage Learning
Mod-01 Lec-16 Basics of Instrumentation; Author: nptelhrd;https://www.youtube.com/watch?v=qbKnW42ZM5c;License: Standard YouTube License, CC-BY