Nt1310 Unit 1 Assignment 2

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Pages: 10

Assignment 2
Chapter 6

6.1) Sensor is a device that converts or measures physical property or stimulus like pressure, temperature, and force to a convenient form in order to measure stimulus.
6.2) Analog sensor is a device that produces a continuous analog signals like electrical voltage and whose value fluctuates in analogous manner with variables measured.
Discrete sensor is a measuring device that produces an output that has only certain values. Discrete sensor is divided into two divisions. They are binary and digital. Binary that produces an off/on signal and the digital, a measuring device that produces series of pulses and a set of parallel status bits that are counted.
6.4) Transfer function of the sensor is the input versus output relation of the sensor. It
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Disk has equal space uniformly on both sides of its face and this uniformly spaced slot permits the light source to make it shine and also to boost the photodetector. Disk is attached to the rotating shaft through which velocity and angular positions are measured. When these rotating shafts are rotated, slots makes the light source to be made visible by photocell as a set of flashes which are further converted to electrical pulses.
7.18) Addressable points are the locations beside the axis where the work table can be assigned directly to move. Control resolution is the distance that separates addressable points. Control resolution can be small at its least.
7.21) Few advantages of CAD/CAM part programming towards computer assisted part programming includes: determination of cost and time of the machining operation, programmers will be able to receive automatic visual feedbacks while constructing geometry, few options of the tool path construction can be made automatic, CAD/CAM programming can add optimum values for feeds and speeds automatically.
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