Technical Information
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5 1) Conversion Units ..............................................................................................
6 2)
Terms and Definitions .......................................................................................7
3) Basic Engineering
Information .......................................................................
9 4)
Load Bearing Mechanisms .............................................................................11
Plain
Bearings............................................................................................11
Rolling Element Bearings ..........................................................................12
Radial Ball Bearings ..................................................................................12
Thrust Ball Bearings ..................................................................................12
Linear Bearings .........................................................................................13
Roller Bearings ..........................................................................................15
Selecting and Sizing Bearing Systems ....................................................15
Selecting a Linear Bearing System ..........................................................17
Fax Your Requirements For Linear Bearing Applications ........................18
5) Ball & Acme Screw
Drive Mechanisms ........................................................19
Lead Screws ..............................................................................................19
Ball Screws ................................................................................................20
Selecting and Sizing Screw Drive Systems .............................................21
Travel Rate vs. Length, Lead Screws .......................................................22
Load Vs. Length, Lead Screws .................................................................23
Load and Speed Limits, Ball Screws ........................................................24
Ball & Acme Screw Assembly Life
Expectancy........................................26 Lead Screw Formulas and Sample Calculations .....................................27
Fax Your Requirements For Ball & Acme Screw
Applications .................30 6) Bending Formulas for Extruded Profiles .....................................................31
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