The Fabricator - November 2013

Looking for the Greatest Hits

As a fan of the Precision Matters column by Gerald Davis, I recommend that our Solid Works value-added reseller sales team share your columns with customers and training attendees.

Where can current or past columns be looked up? I didn’t see the archive on www.

thefabricator.com.

Hans Friedebach

Senior Manager Special Custom Projects Ergotron Inc.

Eagan, Minn.

Editor’s Note: You can find the Precision Matters archive at http://www.thefabricator.com/author/gerald-davis. If you scroll down, you’ll find his columns providing advice on 3-D solid modeling. ;anks for reading ;e FABRICATOR.

Clearing the Air on Lift Trucks

Good of the publication to tackle this topic [“No-, low-emissions lift trucks clear the air,” ;e FABRICATOR, August 2013, p. 76], but clarifications are needed. Perhaps it would be good to clear the air about these.

In particular, it should be noted that these diesel fume exhaust regulations came about because the exhaust’s constituents, such as particulate matter and NOx, generally are considered bad for humans. ;erefore, the newest regulations address the need to reduce these even further. A link to cancer is not the reason. No direct link has been established either medically or legally.

Also it should be noted that the National Clean Diesel Campaign (NCDC) has not put out the Tier 4 schedule, but the Environmental Protection Agency itself has. ;e NCDC program is independent of the regulatory framework.

Another item to address is the discussion of the “tran-
sition plan” and “flexibility” guidelines. ;ese also are op-
tional programs. ;ey allow for a number of prior “tier”
newer “tier.” Some companies use them and some don’t.

Fork lift engine manufacturers would not need to submit their plans to the EPA unless they decided to participate in this program. ;ere is no need for engine manufacturers to submit their plans to the EPA if they are not participating.

Finally, Toyota Material Handling is mentioned as meeting EPA standards on their 8-series models with the use of two engines, the 4Y and 1 DZ-III. ;is is puzzling as the three-way catalyst;technologies are for use on spark-ignited engines and not diesel.

John Fischer

Engine Consultant Palatine, Ill.

Editor’s Note: ;e 4Y and 1 DZ-III engines should not have been mentioned in the section of the story covering diesel engine advancements. ;e editors regret the error.

Knowledge on Press-related Stress?

Do you know of any survey or measurement method to evaluate the mental stress on die setters?

Flying dies all day has to be kind of stressful, and I was wondering how you measure that. Any guidance you can share would be helpful.

John R. Alteneder

Assistant Manager TPS/Kaizen Group Toyota Motor Manufacturing San Antonio Editor’s Note: While it may be helpful to find some type of evaluation method given in other high-stress fields, such as air tra;c controllers, emergency room personnel, or police o;cers, we aren’t aware of any that specifically apply to pressroom workers. If any of ;e FABRICATOR’s readers have any ideas, we’ll pass them along.

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