M08 Final Exam
Which of the following operations creates threads in a hole?
Tapping
What historic event / period marked the beginning of the manufacturing boom in the mid-to-late 18th century (1700s)?
The Industrial Revolution
The employee efficiency formula is very similar to the employee productivity formula, except that it adds what factor to allow for all the employee's time?
The employee's other task time
Which critical success objective requires that the manufacturer perform satisfactorily over a defined amount of time under specified conditions?
reliability
Which of the following tools typically has the most cutting points?
Face mill
This is a simpler version of a three-axis machine, used for two-dimensional parts.
2.5-axis VMC
What axis is the fourth axis in a vertical CNC machining center?
A
The Cartesian coordinate system is __________.
A mathematical grid that identifies points on a plane or in space
What type of industry was numerical control designed for?
Aerospace
Of the items in the below image: Which products might be produced using Advanced Manufacturing Techniques?
All of the above
What feature(s) classify turning centers?
All of the above
The human resources department is primarily responsible for what?
Attracting and retaining qualified employees
In the early 20th century (1900s), what industry caught the attention of business leaders due to its disciplined effort to improve machinery and processes and roll out mass-produced products on assembly lines?
Automobile
The manufacturing area may be split up into departments to __________.
Both of the above
Which of the following axes is added to a 2-axis turning center to make a 3-axis lathe?
C
On a horizontal machining center, the Y-axis corresponds to the __________.
Spindle moving up and down
Which of the below items is most likely using Advanced Manufacturing Techniques:
CNC-Powered Lathe
What is the advantage of adding a fifth axis, the C-axis, to a vertical CNC machining center?
Can create more complex part shapes
Which of the following allows the CNC control to translate the directions in a program into the movements of the machine components?
Cartesian coordinate system
Engineers and plant managers can easily check on operations in their own plant, or halfway around the world, due to advancements in __________.
Communications
Which software has greatly shortened the development cycle for new and improved products?
Computer Aided Design (CAD)
An important advantage of this software is that it can be used for mass customization.
Computer Aided Manufacturing (CAM)
Which software system links many of the manufacturing functions and software packages through one computer network?
Computer Integrated Manufacturing (CIM)
What does CNC stand for?
Computer Numerical Control
In the late 20th century (1900s), two major developments impacted advanced manufacturing: quality/productivity tools AND __________.
Computers
What types of codes are used to offset the cutter on the tool path?
Cutter Compensation codes
Which of the following is the operation that creates a rough hole in a workpiece?
Drilling
A reaming tool is used to create threaded holes. Is this statement TRUE or FALSE?
False
Advanced manufacturing is NOT based on traditional or historical techniques. Is this statement TRUE or FALSE?
False
Changing the continuous flow layout to produce a different product is cheap and easy to do. Is this statement TRUE or FALSE?
False
Continuous flow layouts are used only when low volumes of different parts must be produced. Is this statement TRUE or FALSE?
False
Finishing a workpiece allows fast removal of large amounts of excess stock. Is this statement TRUE or FALSE?
False
Industrial robots can move around in their environment. Is this statement TRUE or FALSE?
False
Machine zero is located at the same position regardless of manufacturer and machine type. Is this statement TRUE or FALSE?
False
On a horizontal number line, positive numbers are to the left of zero. Is this statement TRUE or FALSE?
False
PCs and laptops are NOT typically used in advanced manufacturing. Is this statement TRUE or FALSE?
False
Shipping and receiving is responsible only for receiving materials for manufacturing the product, not for shipping to the customer. Is this statement TRUE or FALSE?
False
The advantage of a job shop layout is the ability to cost effectively produce a narrow range of high-volume products. Is this statement TRUE or FALSE?
False
The functional manufacturing disciplines in a company will vary depending on its physical size and/or number of employees. Is this statement TRUE or FALSE?
False
Which critical success objective requires that the manufacturer adapt resources and processes to meet changing demands?
Flexibility
Which command is a circular interpolation command?
G02
Which is the absolute positioning code?
G90
When considering the counterclockwise interpolation command, which coordinates indicate the center of the arc?
I,J
The International Organization for Standardization (ISO) 9000 is designed to do what?
Improve quality and productivity
The purpose of automation has shifted from increasing productivity and reducing costs to __________.
Increasing quality and flexibility
If no positioning code commands are given in the program, which one is normally designed to be the default?
Incremental
Which type of coordinates tell the CNC to move the tool a certain number of units in each direction?
Incremental
The formula for productivity is the output of goods divided by what?
Input of factors of production
Productivity is a relative measure. What does this mean?
It needs to be compared to something else to have value.
How does having the required spare parts on hand affect the company?
It reduces the amount of downtime for repair
Who was responsible for the development of CNC technology?
John T. Parsons
What does the code M06 do?
Load a tool into the spindle
What two fields are nano-materials used in?
N/A
Sets of values used to determine the location of the tool tip relative to the programmed reference point are known as __________.
Offsets
Which of the following cutting variables is expressed in revolutions per minute (rpm)?
Spindle speed
How is a 90 degree radius typically dimensioned?
Overall linear dimensions and a radius
The automation of many different manufacturing processes is done through the use of a small computer called a __________.
PLC - Programmable Logic Controller
Which of the following does the programmer define as the origin of measurements on the workpiece?
Part zero point
In a three-axis vertical CNC, in what orientation is the cutting tool oriented?
Perpendicular to the ground
Which of the following is NOT a typical result of the integration of computers and automation in the manufacturing industry?
Production decreases but has higher quality
Which of the following would NOT be a typical job for a robot?
Quality control
Which cutting tools are available only as non-indexable tools?
Reaming
Who is known for bringing the Industrial Revolution to America?
Samuel Slater
How does automation give manufacturers the ability to respond quickly to consumer needs?
They can easily switch product lines without rebuilding or duplicating assembly lines.
In general, operators can be separated into what two groups?
Those who set up the machine and those who operate the machine
Extremely large and/or heavy parts typically are machined on what type of machining center?
Three-axis HMC
Continuous flow layouts are also referred to as what?
Transfer lines
A 4th axis on a turning center allows the machine to not only mill, drill, and tap parts, but also to machine complex shapes into the workpiece. Is this statement TRUE or FALSE?
True
A Swiss turning machine has the ability to make very small, very precise products. Is this statement TRUE or FALSE?
True
Advanced manufacturing uses over 40,000 types of materials to create its products. Is this statement TRUE or FALSE?
True
An axis is a direction in which a machine component moves. Is this statement TRUE or FALSE?
True
An ordered pair provides a numerical address for a point known as a coordinate. Is this statement TRUE or FALSE?
True
Automation is using specific equipment to achieve automatic control of the operation of a process. Is this statement TRUE or FALSE?
True
Depending on the product the company is producing, some functions may have a higher priority than others. Is this statement TRUE or FALSE?
True
Expeditors report directly to the production control manager. Is this statement TRUE or FALSE?
True
In order to be a world-class manufacturer, you must deliver quality, flexibility, speed, reliability, and competitive cost. Is this statement TRUE or FALSE?
True
Machines in a job shop layout are arranged in groups of similar machines. Is this statement TRUE or FALSE?
True
Material handling is a manufacturing function that typically is automated. Is this statement TRUE or FALSE?
True
Multi-spindle turning centers can make thousands of parts in a day. Is this statement TRUE or FALSE?
True
On a vertical number line, negative numbers are below zero. Is this statement TRUE or FALSE?
True
One PLC can replace the thousands of individual relays and timers that were used in earlier automation systems. Is this statement TRUE or FALSE?
True
One of the advantages of incorporating computers into the manufacturing process is that manufacturers can quickly adjust production schedules. Is this statement TRUE or FALSE?
True
One of the most important assets of advanced manufacturing is the people who work together to develop the products. Is this statement TRUE or FALSE?
True
The CAD and CAM systems are often linked to allow for easy customization and quick design changes. Is this statement TRUE or FALSE?
True
The CNC is the primary interface between the machine operator and the machine. Is this statement TRUE or FALSE?
True
The definition of quality is providing error-free goods and services that meet or exceed the expectations of the customers. Is this statement TRUE or FALSE?
True
The key to cellular manufacturing is balancing the number of machines in a cell based upon the individual cycle times. Is this statement TRUE or FALSE?
True
The origins of manufacturing can be traced back to the beginning of agriculture production, when humans no longer needed to be hunters and gatherers. Is this statement TRUE or FALSE?
True
The responsibility of the maintenance department is to make sure that the production equipment is running at its optimal best. Is this statement TRUE or FALSE?
True
The tools used in lathes are called cutting tools. Is this statement TRUE or FALSE?
True
To remain competitive in a segment that buys strictly on the basis of cost, manufacturers must be low-cost producers. Is this statement TRUE or FALSE?
True
Value added per employee is a financial measure of how much product was sold vs. how many employees worked during the period. Is this statement TRUE or FALSE?
True
Z-axis negative movement decreases the distance between the tool and the spindle on a turning center. Is this statement TRUE or FALSE?
True
Which of the following machines utilizes a rotating workpiece?
Turning center
The distance along each axis from the machine zero home position to the programmed reference point is known as the __________.
Work offset
On a horizontal machining center, the X-axis corresponds to the __________.
Work table moving left and right
Which of the following axes on a 2-axis horizontal turning center is typically an up and down movement of the tool turret in relation to the workpiece?
Y
Which of the following axes on a 2-axis horizontal turning center is typically a left and right movement of the tool turret in relation to the workpiece?
Z
On a horizontal machining center, which axis moves the spindle towards and away from the workpiece?
Z-axis
A 2-axis vertical turning center moves its tool in two directions. Which best describes these movements?
Z-axis controls the length along the part, x-axis controls the depth of cut
Along with spindle speed, which cutting variable significantly influences tool life?
feed rate
Which type of coordinates reference part zero?
absolute
The part of a lathe that clamps the workpiece in place is called a __________.
chuck
The quality assurance department monitors the production process to ensure that products meet __________.
customer specifications
In the formula for employee productivity, time required to produce a product is multiplied by the number produced. The result is then divided by the __________.
hours the employee worked
What is a CNC milling machine with a tool changer and an enclosure called?
machine center
Cellular based manufacturing is where __________.
manufacturing occurs in a single process flow with minimal waiting time
Production equipment is usually arranged to ensure that (the) __________ of product can be produced.
maximum amount
Complete the Value Added Per Employee formula: Number of products sold X price per unit ÷ by __________.
number of employees
What factor is missing in the Machine Hours Productivity formula: Time required to produce a product X __________ ÷ by the hours the machine was available to run.
number produced
Cuts made on the exterior or outer surface of a workpiece are called __________.
outer diameter (OD) operations
Line supervisors direct the __________ in the making or assembling of the products.
production operators
A point from which other points are measured or located is called a(n) __________.
reference point
The major responsibility of the president or general manager is to __________.
set the vision and create a plan
All-metal machine tools were developed in the first two decades of the 19th century (1800s), due to advances in iron founding and __________.
steam power
What is the machine center called when the spindle and tool are oriented vertically?
vertical machine center
Production equipment downtime is __________ the company.
very costly to
Assembly lines are comprised of stations __________.
where individual assembly tasks are completed
