S4_General_Tolerance_TJ_Chapter16

S4_General_Tolerance_TJ_Chapter16 - Tolerance S4...

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Unformatted text preview: Tolerance S4 www.mathsrevision.com Tolerance Tolerance Notation 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Starter Questions S4 www.mathsrevision.com 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance S4 Learning Intention Success Criteria 1. Understand the term Tolerance. . 2. Calculate and simplify basic Tolerances. www.mathsrevision.com 1. To explain what Tolerance is. 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance S4 When a builder orders steel bolts to help to a house, he would like them to be 50 millimetres long EXACTLY. www.mathsrevision.com This is not always possible so the builder allows a `little error' either side of this. 13 Feb 2012 Tolerance S4 www.mathsrevision.com Tolerance is written as (502)mm He might be prepared to accept any bolt as long as it lies between 48mm and 52mm This means he will accept a bolt which is within 2mm of the 50mm he asked for. This is referred to as the TOLERANCE for the measurement. 13 Feb 2012 Tolerance S4 www.mathsrevision.com Now try Ex 1 Ch16 (page 178) 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Starter Questions S4 www.mathsrevision.com 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance S4 Tolerance Notation Learning Intention Success Criteria 1. Write tolerances in standard notation. www.mathsrevision.com 1. To explain how write tolerances in standard notation. 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance S4 Tolerance Notation www.mathsrevision.com Example : An acceptable size of apples on sale at Asda must have a diameter between 8cm and 12cm. Write the tolerance level in standard notation. Calculate the middle value 8 + 12 = 10 2 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance is written as (102)cm Tolerance S4 Tolerance Notation www.mathsrevision.com Example : For safety reasons an acceptable rivet joint for an aeroplane joint must be between 19.9mm and 20.1mm in diameter. Write the tolerance level in standard notation. Calculate the middle value 19.9 + 20.1 = 20 2 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Tolerance is written as (200.1)mm Tolerance S4 Tolerance Notation www.mathsrevision.com Now try Ex 2 Ch16 (page 180) 13 Feb 2012 Created by Mr. Lafferty Maths Dept. ...
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This note was uploaded on 02/13/2012 for the course MATH 115 115 taught by Professor Jones during the Spring '10 term at University of Phoenix.

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