Foreword | |
Review of Mathematical Nomenclature and Operations | p. 1 |
Prefixes for International (SI) Units | p. 10 |
Common Conversions | p. 11 |
Dimensional Analysis | p. 12 |
Yarn Manufacturing Calculations | p. 16 |
Roll and Package Surface Speed | p. 16 |
Drum Drive | p. 17 |
Belt Drive | p. 19 |
Gears and Pulleys With Teeth | p. 22 |
Idler Gears | p. 23 |
Compound Gears | p. 25 |
Gear Train | p. 26 |
Textile Product Numbering | p. 29 |
Fiber Blending | p. 34 |
Bales Per Laydown Using the Sample Size Formula | p. 37 |
Mixing Power of a Line of Machines in the Opening Room | p. 38 |
Short Fiber Calculator | p. 40 |
Fiber Openness | p. 41 |
Cleaning Efficiency | p. 43 |
Waste Removed | p. 44 |
Cotton Waste Removal Required | p. 45 |
Percent Run Time and Throughput Rate | p. 46 |
Percent Nep Content Change | p. 47 |
Percent Short Fiber Content Change | p. 47 |
Draft | p. 48 |
Card Mat Weight (Under the Feed Roll) | p. 52 |
Effect of Doubling | p. 53 |
Twist | p. 53 |
Plied Yarn Notation | p. 56 |
Production Rate | p. 57 |
Fibers Per Yarn Cross Section | p. 59 |
Using the Compact Cover Factor (CCF) | p. 60 |
Typical Off-Line Quality Assurance Practices in Short Staple Yarn Spinning Plants | p. 67 |
Summary | p. 67 |
Incoming Cotton Raw Material | p. 67 |
Incoming Man-Made Staple Raw Material | p. 70 |
Opening and Cleaning of Cotton Stock | p. 72 |
Opening of Man-Made Fiber Stock | p. 75 |
Chute Fed Carding of Cotton, Blended, or Man-Made Fibers | p. 76 |
Pre-Drawing of 100% Cotton | p. 79 |
Lap Winding and Combing of 100% Cotton | p. 81 |
Intermediate or Breaker Drawing of Cotton, Blended, or Man-Made Fibers | p. 83 |
Finisher Drawing of Cotton, Blended, or Man-Made Fibers | p. 84 |
Roving of Cotton, Blended, or Man-Made Fibers | p. 85 |
Ring Spinning of Cotton, Blended, or Man-Made Fibers | p. 86 |
Open-End Spinning of Cotton, Blended, or Man-Made Fibers | p. 89 |
Air Jet Spinning of Blended and Man-Made Fibers | p. 91 |
Off-Standard Reporting System | p. 92 |
Yarn Break Factor Calculations | p. 93 |
Statistical Calculations and Methods Used in Textiles | p. 94 |
Introduction | p. 94 |
General Observations About Data | p. 94 |
The Mean Value of Data | p. 96 |
Dispersion of Data | p. 97 |
Confidence Interval for a Sample Estimate of the Population Mean | p. 104 |
Comparison of Multiple Means | p. 107 |
Comparison of Standard Deviations or Variances | p. 111 |
Sampling | p. 113 |
Simple Correlation and Regression Analysis | p. 115 |
Practice Problems - Statistical Calculations | p. 120 |
Statistical Process Control (SPC) | p. 122 |
Practice Problem Solutions | p. 135 |
Dimensional Analysis | p. 135 |
Roll and Package Surface Speed | p. 136 |
Drum Drive | p. 136 |
Belt Drive | p. 136 |
Gear Train | p. 137 |
Textile Product Numbering | p. 138 |
Fiber Blending | p. 140 |
Cleaning Efficiency | p. 141 |
Waste Removed | p. 141 |
Draft | p. 142 |
Twist | p. 143 |
Plied Yarn Notation | p. 144 |
Production Rate | p. 144 |
Fibers Per Cross Section | p. 146 |
Using Compact Cover Factors | p. 147 |
Statistical Calculations | p. 149 |
Statistical Process Control Charts | p. 154 |
Table of q Values for 95% Confidence (5% Risk) | p. 157 |
Table of q Values for 99% Confidence (1% Risk) | p. 159 |
Table of Critical F Values for 95% Confidence (5% Risk) | p. 161 |
Table of Critical F Values for 99% Confidence (1% Risk) | p. 163 |
Table of Constants for Control Charts | p. 165 |
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