Precision Measurement Tools Dial Caliper Steel Rule Micrometer


























- Slides: 26
Precision Measurement Tools Dial Caliper Steel Rule Micrometer Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Dial Caliper A dial caliper is a precision measuring device that can measure in thousandths of an inch. The dial caliper functions as an: • Outside caliper • Inside caliper • Depth gauge Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as an outside caliper Outside caliper Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as an outside caliper Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as an inside caliper Inside caliper Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as an inside caliper Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as a depth gauge Depth gauge Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Using the dial caliper as a depth gauge Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Resetting the dial caliper to zero Step 1 Begin by gently closing the calipers. Do not over tighten, close the jaws until they are touching Step 2 Gently turn the glass dial until the indicator reads zero. Note the indicator is not on zero Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper What is the reading on the dial caliper at the left? ? Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000 One inch Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000. 300 One inch three hundred Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000. 300 +. 050 1. 350 One inch three hundred fifty thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000 One inch Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000. 800 One inch eight hundred Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Measuring with a dial caliper 1. 000. 800 +. 075 1. 875 One inch eight hundred seventy five thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
What is the reading on this caliper? Nine hundred and ninety thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
What is the reading on this caliper? Two inch two hundred and sixty thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
What is the reading on this caliper? Four inch one hundred twenty five thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Micrometer The thimble consists of a graduated scale that reads from 0 -9. There are four marks between each number. Each mark signifies. 025 (twenty five thousands). Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Micrometer - sleeve The sleeve has a graduated scale that runs from 0 -20 with 10 marks in between. Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Reading the Micrometer There are four marks on the thimble. 4*. 025 =. 100 Zero marks on the sleeve. The micrometer reads. 100 of an inch Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Reading the Micrometer Two numbers on the thimble. 200 There almost three lines after the last whole number 2*. 025 =. 050 21 on the sleeve. . 271 or two hundred seventy one thousands Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Steel rules Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Steel Rules The top rule measures in fractional values The bottom rule measures in decimal values Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.
Complete the precision measurement worksheet Vex 1. 0 © 2005 Carnegie Mellon Robotics Academy Inc.