Tools, Calculators, Shareware, Etc.
Calculators for Everything: Martindale’s Online Reference Center
Engineering Calculators and Online Calculator Links
XCalcS: Tools for Engineering Calculations
White Papers from Manufacturing.net
Plantautomation.com White Paper Download Library
Efunda: Engineering Fundamentals
Engineering Calculators from GlobalSpec
Sizes and Specifications from GlobalSpec
Research Tools
Searchedu.com: Search 20 million university and education pages
GlobalSpec: The Engineering Search Engine
Help for Your Business
Nolo.com Patent Law Information
Freepatentsonline.com: Free Patent Searching With Downloadable Forms
U.S. Patent and Trademark Office
Online Engineering Ethics Center
For Executives
Organizations
American Society of Mechanical Engineers
ISO 9000 in Plain English by Praxiom
ISA: Connecting People & Ideas
DeviceNet (ODVA)
Trade Publications
Links to Useful Documents
The Hardware Book: a free collection of connector pinouts and cable descriptions
Manufacturers
Rockwell Automation Knowledgebase
Rockwell Automation E-Tools & Resources
Free Downloads
- Engineering Basics (pdf 226k)
- Achieving Your Accuracy Goals (Part 1) (pdf 20k)
- Achieving Your Accuracy Goals (Part 2) (pdf 380k)
- DC Motor Calculations (pdf 1242k)
- Thrust Calculations (pdf 32k)
- Designing with Electric Cylinders (pdf 345k)
- Introduction to Motion Control Technology (pdf 61k)
- Glossary of Motion Control Terms (pdf 21k)
- Move Profile Calculations (pdf 30k)
- Converter: converts practically every type of measurement: temperature, mass, torque, pressure, distance, flow and more. (zip 167k)
http://www.hitechcontrols.com
http://www.profaceamerica.com
http://www.qsic.com
http://www.sealconusa.com