Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 8.2, Problem 6RQ
Name three major styles of turning machines.
a.________________________
b.________________________
c.________________________
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Chapter 8 Solutions
Precision Machining Technology
Ch. 8.1 - What is an ATC?Ch. 8.1 - What is an MCU and what is its function?Ch. 8.1 - Briefly describe a ball screw and a linear guide.Ch. 8.1 - Explain the benefits of using the absolute...Ch. 8.1 - Explain the benefits of using the incremental...Ch. 8.1 - Which coordinate system uses an angle and a...Ch. 8.1 - What is the name for the type of motor used to...Ch. 8.1 - Supposing a programmer, using absolute mode,...Ch. 8.1 - What is a modal code?Ch. 8.1 - What is another name for the Cartesian coordinate...
Ch. 8.1 - List four G-codes and describe their functions. a....Ch. 8.1 - List four M-codes and describe their functions. a....Ch. 8.1 - What is the name of the character that ends each...Ch. 8.1 - Explain the purpose of the safe-start portion of a...Ch. 8.2 - Name the two primary machine axes on most CNC...Ch. 8.2 - Explain the difference between a turning center...Ch. 8.2 - List the three common types of live toolholders....Ch. 8.2 - Name three major collet styles used in...Ch. 8.2 - Name three types of workholding devices for...Ch. 8.2 - Name three major styles of turning machines....Ch. 8.2 - Explain why some workholding devices can be run at...Ch. 8.2 - Explain the difference between an OD grooving tool...Ch. 8.2 - When machining workpieces made from bar stock,...Ch. 8.2 - Describe how a sub-spindle can be used to increase...Ch. 8.2 - How does a Swiss turning center differ from a...Ch. 8.3 - Write the X- and Z-axis coordinates for the part...Ch. 8.3 - To perform a facing cut using a tool with a nose...Ch. 8.3 - Explain the difference between rigid tapping and...Ch. 8.3 - How must the feed rate for tapping using a...Ch. 8.3 - Describe what happens to a concave radius (fillet)...Ch. 8.3 - Describe what happens to an outside chamfer when...Ch. 8.3 - If a G1 code command is programmed partway through...Ch. 8.3 - List and briefly describe the two methods for...Ch. 8.3 - Explain in your own words the difference between...Ch. 8.3 - In your own words, describe a canned cycle.Ch. 8.3 - List two types of canned cycles besides roughing...Ch. 8.4 - What machine mode is generally used to manually...Ch. 8.4 - MDI stands for _________ ___________ ________.Ch. 8.4 - Which must be set first, the tool geometry offset...Ch. 8.4 - What is the process called where a program is sent...Ch. 8.4 - Explain the purpose of homing.Ch. 8.4 - What is the process called when a new program is...Ch. 8.4 - When setting up a machine to run a program that...Ch. 8.4 - What does MCS stand for?Ch. 8.4 - What is used to adjust the clamping pressure of...Ch. 8.4 - What does MCS stand for?Ch. 8.4 - What does WCS stand for?Ch. 8.4 - A workpiece offset is the distance from __________...Ch. 8.5 - Explain the difference between a machining center...Ch. 8.5 - Name the two major types of ATCs and briefly...Ch. 8.5 - What are the two basic types of tapping...Ch. 8.5 - What are the three most common styles of collets...Ch. 8.5 - What are the two basic types of tapping...Ch. 8.5 - Prob. 6RQCh. 8.5 - A programmable indexing fixture creates a fourth...Ch. 8.5 - A _______ ________ uses interchangeable tooling...Ch. 8.5 - Briefly describe a tombstone used for CNC...Ch. 8.5 - A custom ______ can be designed and built to hold...Ch. 8.5 - The combination of the machining operations...Ch. 8.6 - What are the three major axes used during CNC mill...Ch. 8.6 - What command would be given to turn on the spindle...Ch. 8.6 - What G-code designates IPM feed rate mode? IPR...Ch. 8.6 - What is the purpose of a clearance plane in CNC...Ch. 8.6 - What is the purpose of work coordinate systems?Ch. 8.6 - Briefly define linear interpolation.Ch. 8.6 - If during the last operation on a part, a G1 code...Ch. 8.6 - Briefly describe the use of I and J for the arc...Ch. 8.6 - Write two blocks of code that could be used to...Ch. 8.6 - Briefly explain the difference between rigid and...Ch. 8.6 - Define the initial plane for a canned drilling or...Ch. 8.6 - A G98 in a canned cycle sets the return point to...Ch. 8.6 - A _____ code is used to cancel a canned cycle.Ch. 8.6 - What two codes are used to activate automatic...Ch. 8.6 - What two codes are used to activate automatic...Ch. 8.6 - What code is used to cancel automatic cutter...Ch. 8.7 - Which must be set first, a work offset or a tool...Ch. 8.7 - What mode is used to manually enter programs into...Ch. 8.7 - What is the process called when a program is sent...Ch. 8.7 - Explain what may occur that makes it necessary to...Ch. 8.7 - Explain the purpose of homing.Ch. 8.7 - What is the process called when a new program is...Ch. 8.7 - What are two actions that can be taken during the...Ch. 8.7 - When automatic cutter radius compensation is used...Ch. 8.7 - Which machine mode allows short, temporary program...Ch. 8.7 - Which machine mode is used to run the machine...Ch. 8.7 - What are the two controls on the machine's control...Ch. 8.7 - What control panel feature can be used to slow a...Ch. 8.8 - Prob. 1RQCh. 8.8 - Prob. 2RQCh. 8.8 - What are the three primary steps in creating a CNC...Ch. 8.8 - Prob. 4RQCh. 8.8 - What is the definition of entity?Ch. 8.8 - Why should a toolpath be verified on the screen of...Ch. 8.8 - What is a post-processor used for?Ch. 8.8 - What is it called when mutiple touching entities...Ch. 8.8 - What type of cutting tool is usually used for...
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- Used to mesh worm gears and transmit motion between two shafts at right angles to each other but not in same plane a. Unified thread c. Helical thread b. Worm thread d. Brown & Sharpe Worm Thread _______has a work table-which may be swivelled around two horizontal axes and also adjusted horizontally and vertically. a . Standard Shaper c. Swivelled shaper b. Horizontal Shaper d. Universal shaper _____are defined as headed fasteners having external threads that meet an exacting,uniform bolt thread specification such that they can accept a non-tapered nut. a Bolts c. Screw b. Non tapered nut d. External threaded rod _______ defined as headed, externally-threaded fasteners that do not meet the above definition of bolts. a. fasteners…arrow_forwardThe following are five different types of machoines 1. Pulley block 2. Lever 3. Worm and wheel 4. Incline plane 5. Screw Jack Discuss the operation of these machines. The discussion should include velocity ratio, mechanical advantage and efficiencyarrow_forwardQuestion 19 Which of the following machine tools is the most suitable one for machining of relatively large batches with several operations? Answers: a. Toolroom lathe b. Turret lathe c. Vertical turret lathe d. Engine lathe e. Speed lathe Consider the following statements on milling machines 1. 2. Facing cutters have a tapered or straight shanks End mills usually are bolted at the end of a stub arbor 3 Plain milling cutters are used for profilling as well Answers: a. Only 2 and 3 are correct b. Only 1 and 2 are correct c. Only 1 and 3 are conect d. None of them is correct e Only 1 is correct Question 21 Find the incorrect statement about center type cylindrical grinding. (If you cannot find an incorrect statement among items a, b, c and d then code "e" for this question) Answers: & Workpiece rotates b. Grinding wheel rotates Usually workpiece traverses d, Depth of cut is usually determined by infeed of the grinding wheel e. All are correct Consider the following statements about…arrow_forward
- Identify the mechanisms that the machine has.arrow_forward18. are used for clamping irregularly shaped workpieces. A. Three-jaw chucks C. Mandrels B. Face plates D. Follow rests 19. In bending operation of a piece of flat metal sheet. The final bend angle after springback is than the angle to which the part was bent. A. larger B. smaller C. not sure 20. Machining is a general term describing a group of processes that consist of the of material and modification of the surfaces of a workpiece after it has been produced by various methods. A. addition B. deformation C. changing D. removalarrow_forwardHow does a Swiss turning center differ from a conventional turning center?arrow_forward
- (c) You can paddle your cycle maximum three times per second. If the diameter of driver paddle wheel is 20 cm and follower gear wheel is 8 cm, what is the maximum speed (in rpm) that you can achieve?arrow_forward17. The of a bonded abrasive is a measure of its bond strength. A. structure B. grade C. grain size 18. are used for clamping irregularly shaped workpieces. A. Three-jaw chucks C. Mandrels B. Face plates D. Follow rests 19. In bending operation of a piece of flat metal sheet. The final bend angle after springback is than the angle to which the part was bent. A. larger B. smaller C. not sure 20. Machining is a general term describing a group of processes that consist of the of material and modification of the surfaces of a workpiece after it has been produced by various methods. A. addition B. deformation C. changing D. removalarrow_forwardHelp me fast with detail explanation . Definitely I will give Upvote.arrow_forward
- ANSWER IN 30 MIN! I WILL UPVOTE! THANKYOU!arrow_forwardI will upvote if correct solution is provided. Thank youarrow_forwardAnswer the question briefly. 1. What is Milling Machine?2. Define atleast 5 types of Milling Machine.3. Define and Illustrate the following Milling Machine operations. a. Groove Milling Operation b. Gear Milling Operation c. Side Milling Operation d. T-slot Milling Operationarrow_forward
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