Lead screw assemblies - NOOK INDUSTRIES - #1

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nookindustries.com 1 The specifications and data in this publication are believed to be accurate and reliable. However, it is the responsibility of the product user to determine the suitability of Nook Industries products for a specific application. While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement. PowerAc™ Precision Lead Screw Assemblies PRECISION LEAD SCREW ASSEMBLY TECHNICAL INTRODUCTION 2-13 • Glossary and Technical Data 2-6 • Acme Screw Selection 6-7 • Application Example 8-9 • Column Strength and Critical Speed: Acme Inch Screws 10-11 • Acme Screw Manufacturing Processes 12 • Acme Nut and Screw Materials 13 LUBRICATION FOR PRECISION LEAD SCREW ASSEMBLIES 14 INCH ACME SCREW AND NUT TECHNICAL DATA 15-40 • Reference Number System: Acme Screws and Nuts 15 • Acme Screw and Nut Characteristics Defined 16-17 • Inch Acme Screws and Nuts 18-38 • Quick Reference Chart: Inch Acme Screws and Nuts 39-40 INCH ACME SCREW ASSEMBLIES 41-43 INCH TWIN-LEAD ACME SCREW ASSEMBLIES 44-45 METRIC ISO TRAPEZOIDAL AND SPEEDY™ SCREW AND NUT TECHNICAL DATA 46-78 • Metric Screw and Nut Introduction 46 • Reference Number System: Metric Screws and Nuts 47 • Column Strength and Critical Speed: Metric Lead Screws 48-49 • Metric Screws and Nuts: ISO and SPEEDY™ 50-76 • Quick Reference Chart: Metric Lead Screws and Nuts 77-78