Links for Engineers

AC and DC Motors

AC and DC Motor info and intros
Alex's Library - MOTORS & ACCESSORIES Links
LEESON AC and DC Motors Reference Guide - Links to Manufacturers of motors, controllers, sensors...
Reliance Electric Motor Information Center
Reversing and Repair of Electric Motors
Single-phase induction motors


Ball Bearing Sizes and Load Ratings - a quick way to check prices on bearings
Koyo bearing FAQs
Timken Bearing Search
Timken Online Bearings Ratings

CE, Stds, Safety

Official CE Directives and Info

EUROPA - All Directives
EUROPA - ATEX Directive (potentially explosive atmospheres)
EUROPA - EMC Directive
EUROPA - Low Voltage Directive
EUROPA - Machinery Directive
PED Pressure Equipment Directive


Cornell U class on Human Factors - Temp, light, noise
eLCOSH OSHA's Approach to Noise Exposure in Construction
MSDS Index
Safety and Health Topics Noise and Hearing Conservation
Safety Info Library UVM SIRI Web Site
Safety Links -

Translator Engines and Foreign Language Dictionaries

AltaVista's Babel Fish Translation Service
Free Translation and Professional Translation Services Romance Languages

Unofficial CE and related Info

ANSI Electronic Standards Store
ATEX zones overview
Compliance Engineering Magazine
NIST A Guide to EU Standards and Conformity - A great intro to CE and EN
NIST European Standards Information

BIA - DUST Explosibility Database - Word's best database of explosibility data - Free Access

Crane Info

CMAA Crane Manufacturing Association - Official source for Specifications (Standards)
Crane Handbook Glossary
Dearborn Crane's PPT presentation
Demag Cranes & Components
EMH - under running cranes - Overhead Cranes

Engineering Info

Design and Analysis of Machine Elements - Online text
Eng Tips - Forums - useful info
Engineering Sites - extensive
Fastener Stress Analysis Reference Library, On-Line
Fundamentals of Machine Tools
Gear design guide
Machine Design lectures - UTM - Online course notes
Martin Gear page
NIST - Fundamental Constants
The Engineering ToolBox
Thomas Register Directory

Free engineering software and calculators

Free Engineering Software
Free Programming Tools, free compilers, free software components and libraries
Freeebyte's Free Mechanical Engineering Software - CAD, FEA, Heat transfer
NIH Image - scientific image analysis
Structural Engineering Free Software - esp. see Framework and FastFrame
The BridgeSite - Bridge Engineering Software
Xcalcsengineering - Excellent section property calculator

Materials Info - Mostly Steel

AISC Top 10 Websites
Key to Steel -- Articles
Kitco - Wholesale Metals Prices - huge repository of material prop info
SSINA The Stainless Steel Information Center
SteelStuff - great links
SUNY Stony Brook's Mat Sci links


Brazing online book
Logan Lathe Home Page
Machinining Info from Shopswarf
METALWORKING.COM - Home page - esp. the dropbox - good intro info and links
Pat's Big List Of Metalwork Links
rec.crafts.metalworking - search the archives
Rollie's Dad's method of Lathe Alignment
Sci.Electronics.Repair FAQ Main Table of Contents (ToC)
The Gizmologist's Lair - some good links
South Bend Lathes and Machine Tools

PID Controllers

Honeywell Controllers FAQ
OMEGA's Temperature Technical Reference - excellent resource
Omron PID Temperature Controllers
Yokogawa Temperature/Process Controllers

Pneumatic Conveyance

Horizon Systems, Inc.
Powder and Bulk Archived Table of Contents

Section Properties and Pipe Sizes (also see my spreadsheets)

Pipe Properties calculator
Pipe Schedules (Sizes) - Engineers Edge
Properties of Sections, Moments of Inertia
Section Properties for W, S, C

Steel Vendors

EM Jorgensen Stocklist
Low Cost Metals
Metal Express
Metals Depot - this company seems to have the best prices for small quantities
Ryerson Tull
Southern Tool Steel - good selection

Web tools

Bare Bones Guide to HTML - quick reference of commands
HTML Primer - good intro tutorial
Nvu - Improved version of Mozilla Composer
Stop Email Spam with Java Applets
Web Page Construction Using Composer