PRECISION LEAD SCREW ASSEMBLY

TECHNICAL INTRODUCTION

• Glossary and Technical Data

• Acme Screw Selection

• Application Example

• Column Strength and Critical Speed: Acme Inch Screws

• Acme Screw Manufacturing Processes

• Acme Nut and Screw Materials

2-13

2-6

6-7

8-9

10-11

12

13

LUBRICATION FOR PRECISION LEAD SCREW ASSEMBLIES

14

INCH ACME SCREW AND NUT

TECHNICAL DATA

• Reference Number System: Acme Screws and Nuts

• Acme Screw and Nut Characteristics Defined

• Inch Acme Screws and Nuts

• Quick Reference Chart: Inch Acme Screws and Nuts

15-40

15

16-17

18-38

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

PowerAc^™ Precision

Lead Screw Assemblies

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.

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