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September 16, 2011



In this issue:
1. How bolts react to loads
2. An engineering look at Chevy's R07 racing engine
3. Does it make sense to starve sleeve bearings of oil?
4. Think like a machinist when designing parts
5. A golf-club swining robot goes hydraulic


Articles

How bolts react to loads
This detailed article features an in-depth engineering analysis showing how bolt patterns affect how loads are distributed among those bolts. Understanding bolt-mounting patterns helps engineers design joints that won't fail and aren't overbuilt.

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Choosing the Right Manufacturing Method for Micro Components
Understanding the available process options is critical to meeting cost and performance targets for precision products. Some manufacturing technologies cannot meet custom component design requirements simply because of their limitations. Our Engineers at Hutchinson Technology created a technical whitepaper that reports and analyzes the tradeoffs between stamping, photochemical milling, and micro machining. Download the paper here or visit the HTI contract/custom manufacturing webpage to learn more about how our company can help meet your project goals.


An engineering look at Chevy's R07 racing engine
Chevy's R07 replaced the small-block, second-generation (SB2) engine, NASCAR’s workhorse since 1998. The new powerplant is said to be more competitive, safer, less costly, and more reliable. And it's GM’s first purpose-built NASCAR racing engine.

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Does it make sense to starve sleeve bearings of oil?
Sleeve bearings can get buy with surprisingly little lubricating oil. SO should you simplify lubrication setups and cut power loss? Only if you understand load and speed limits and damping characteristics of starved bearings. Here are some guidelines.

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Think like a machinist when designing parts
A knock on many new engineers these days is that they don't know anything about real machine-shop practices. Therefore, they tend to design parts that just can't be made or are way too expensive. Here's some advice that can help those new hires, and the old timers as well.

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Electroforming Basics for Miniature and Specialized Components
Product designers are often challenged to make precision mechanical or structural parts out of metal for prototypes or small production lots. In recent years, Servometer® electroforms have solved a variety of problems for designers seeking strong, thin-walled, precision metal parts. Learn how electroforms can be used to achieve shapes, properties, and functions that are available no other practical way.


Featured Video

A golf-club swining robot goes hydraulic
A company converted the golf-club swinging robot they salvaged to work on hydraulics, replacing the expensive electric servo drives that once let it swing away. See it in action. (About 4.5 minutes long)

News from MD


New white papers from HP and Intel:

Realistic User Productivity Comparisons for Upgrade Decision Making

AutoCAD® users can appreciate the rock-solid dependable performance they demand from HP and Intel® processor-based workstations. The Intel® Core™ and Xeon® processor-based workstation portfolio includes a wide range of machines that fit multiple user segments, from entry, mobile, essential, and digital workbench users.

Return on Innovation: Making Individuals More Productive

The value proposition for equipping technical and creative professionals has drastically changed. The unprecedented combination of economic pressure and technological advancement has rewritten the rules of how to do more with less. Teams may forego new hires or do the same work with fewer staff, yet they can avail themselves to new tools and techniques. The challenge then becomes how to equip these valuable and fewer number of professionals to be more productive and innovative.

Click here to register and download



Machine Design's WORLD'S SMARTEST DESIGN ENGINEER
The 2nd season has begun! Players from across the globe are still competing for fun, education, prizes and the ultimate bragging rights. Thanks to our sponsors for their support of the exciting online opportunity for engineers! Play Now!

Altech Corp.
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Also, please download our first World's Smartest Design Engineer Study Guide, provided by Maxon Precision Motors, Inc. Brush up on motion control basics and learn more to help you excel at the game.



High Performance Conformal Coatings for OEM Applications
Sponsored by: SCS (Specialty Coating Systems)
Date: July 28, 2011
Time: 2:00pm ET/11:00am PT


As devices and components become progressively smaller and increasingly complex, they present unique challenges for many OEM design teams. The issues aren’t just driven by project specifications and industry regulations, but by the different coating options that could be applied to any project….with varying degrees of success.

Every OEM project has different requirements, so this webinar will focus on how the polymer Parylene, Poly(para-xylylene), compares to other industry conformal coatings, including silicones, epoxies, acrylics and urethanes.

Learn more and register today!




ARCHIVED WEBCASTS AVAILABLE FOR FREE VIEWING
Click Here for a list of archived Machine Design webcasts.

Featured Links


FREE Electroformed Component Application Notes
Servometer® bellows and electroformed components offer superb performance in applications such as hermetic sealing of switches, pneumatic actuators, bourdon tube replacement, aneroids, altimeters, mechanical seals, pumps and more.
www.servometer.com/applications

Linear Motion Delivered
It may seem like linear guide availability is beyond your control, especially if you've tried to place an order in recent months. Yet there is a way around the supply crunch: With the right technical information and design strategies, you can substitute different linear guides more freely in your machine designs and take advantage of a wider supply base. Click here to find out how.


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Contact Information
Editorial questions:   Stephen Mraz 216-931-9521
Advertising/sponsorship opportunities:   Virginia Goulding 216-931-9893


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