Exam 1: Computer Numerical Control of Machine Tools

A(n) ____ is any device that is used to give positioning feedback to the control.

One horsepower is equal to lifting ____ lbs up to a distance of 1 ft in 1 second.

There are two main types of feedback systems: ____.

What are some similarities between CNC and manual machine tools?

What are open-architecture controls?

Manual machine tools are obsolete.

What is the most popular language for NC programming?

Today, manual machine tools have been largely replaced by ____ Control machine tools.

Before the industrial revolution (1750-1830), products were largely made by hand.

A machine ____ is a machine that is capable of producing another machine.

Drive motors are not a specialized component in the drive system.

What advantages do CNC lathes have over their conventional counterparts?

A process similar to a laser is called CNC ____ cutting.

The function of a feedback system is to provide the control with information about the status of the motion control system.

The simplest type of electric motor used in CNC positioning systems is the ____ motor.

The main control computer of a CNC system is the ____.

Lathe work has historically been ____.

Why was the steam engine important?

In ____, a heated head deposits minute droplets of molten plastic onto a base layer.

Surface grinders and cylindrical grinders were probably the last frontier for CNC systems.