CR4 - The Engineer's Place for News and Discussion®

Mechanical Engineering
03/08/2015 12:00 AM

See all Forum Threads

Section Forums

Mechanical Engineering

16079 threads, 121697 comments (12 Viewing)
 

Adjustment Screw for 3d printer table?

05/29/2015 by ASleasman
I'm looking for a screw that that I can use to fine tune the x and y placement of a small 3d printing table. Total travel being about 3 -4" for each a...
Views: 53, Comments: 5
Last comment 05/30/2015 by Tornado
 

Closed Loop Centrifugal Pump Performance on VFD's; is it in Series or Parallel?

05/29/2015 by askjoet
6 pumps rated 2500 GPM at 150' TDH piped in a closed loop chilled water system with each pump discharging into a common header via control valves on t...
Pathfinder Tags: centrifugal pumps on variable frequency drives in
Views: 66, Comments: 5
Last comment 05/29/2015 by bigg
 

Friction and Area of Contact

05/29/2015 by lvbprasad
The laws of friction written in the books pertain to sliding friction, I feel, where the friction coefficient does not depend on the area of contact....
Views: 134, Comments: 10
Last comment 05/30/2015 by Del the cat
 

Calculation Aqueous Lithium Bromide Vapour Pressure in Absorbtion Chiller

05/28/2015 by nightcrawler
LiBr Vp chart: http://www.mediafire.com/view/x77zc8wj11gthsj/LiBr_Vp.jpg or http://www.mediafire.com/view/u4dnocvbsf3atmu/Useful_Chart_LiBr.pdf Le...
Views: 73, Comments: 1
Last comment 05/29/2015 by James Stewart
 

Feed Water Pump

05/28/2015 by aneeslarik
i have feed water pump in my plant its pressure is 2.5 bar on scope written in pump manual, but i am worried how to calculate its pressure head and ho...
Pathfinder Tags: feed water pump analysis..
Views: 136, Comments: 5
Last comment 05/29/2015 by James Stewart
Go to this Forum

  
Advertisement
See all Blog Entries

Section Blogs

Valve Technology Blog

74 blog entries, 569 comments (0 Viewing)

Growing Application of 3D Printed Valves

05/19/2015 by IHS GlobalSpec eNewsletter
Additive manufacturing, or 3D printing, is not yet a common process for building valves, but that's changing. GE Oil & Gas is 3D-printing contro...
Views: 78, Comments: 0

Material Choices Abound, and are Abounding

02/07/2015 by IHS GlobalSpec eNewsletter
Choosing a valve can be challenging. For example, material compatibility can be an issue in some applications, especially as the choices for valve...
Views: 167, Comments: 3
Last comment 02/08/2015 by pnaban

The Keyboard is the New Cyberwar Weapon

01/14/2015 by IHS GlobalSpec eNewsletter
It is a new kind of war, one thought by many to have its genesis with the Stuxnet computer worm that in 2009-2010 crippled Iran's nuclear program by...
Views: 229, Comments: 6
Last comment 01/14/2015 by Calnet42
Go to this Blog

Motion Control Components

102 blog entries, 934 comments (0 Viewing)

Altered Interfaces Take on Wider Role in Automation

05/03/2015 by IHS GlobalSpec eNewsletter
Industrial HMIs are changing. Text and semi-graphical panels are disappearing, being displaced by wider screens with touch and multi-touch displa...
Views: 92, Comments: 3
Last comment 05/04/2015 by Kilowatt0

Controlling Machines from Your Eyeglasses

12/23/2014 by IHS GlobalSpec eNewsletter
At first, it may have been easy to ignore the ubiquitous reports on Google Glass. Reasonable to figure that there might not be much behind the hyp...
Views: 218, Comments: 0

A New Approach for Controlling Condition Monitoring

06/02/2014 by IHS GlobalSpec eNewsletter
The prevalence of around-the-clock condition monitoring is skyrocketing as sensing technologies become smarter, easier to implement, and more affo...
Views: 589, Comments: 0
Go to this Blog

Pump Technology Blog

78 blog entries, 543 comments (0 Viewing)

European Experts Train the Next Generation of Pump Engineers

04/30/2015 by IHS GlobalSpec eNewsletter
Austrian, German, and Swiss pump experts have been working in concert to make Germany's Pump.Ing open-study course the world's premier training gr...
Views: 71, Comments: 0

Q&A Session Delves into Pump Specs for Energy-efficient Buildings

02/26/2015 by IHS GlobalSpec eNewsletter
Consulting-Specifying Engineer magazine turned a webinar question-and-answer session on ASHRAE 90.1 (Energy Standard for Buildings Except Low-Rise Res...
Views: 194, Comments: 0

Motors Matter: Understand the Differences Between Immersible and Submersible

10/02/2014 by IHS GlobalSpec eNewsletter
Pumps & Systems presents this educational essay explaining the key design characteristics and application criteria pumping system designers an...
Views: 501, Comments: 1
Last comment 02/22/2015 by PennPiper
Go to this Blog

Drives Blog

69 blog entries, 884 comments (0 Viewing)

One-stop Automation Shopping at Automate 2015

04/20/2015 by IHS GlobalSpec eNewsletter
An Automate 2015 (March 23-26, Chicago) show-preview article from Motion Control Online offers a technology showcase designed for anyone interested in...
Views: 62, Comments: 1
Last comment 04/20/2015 by Unredundant

Mobile Strategy for Process Monitoring and Control

09/21/2014 by IHS GlobalSpec eNewsletter
Tablet computers, smartphones and other mobile wireless devices are infiltrating industry, for numerous reasons - portability, immediate data coll...
Views: 384, Comments: 1
Last comment 10/03/2014 by jdsighter
Go to this Blog

Hydraulics Blog

63 blog entries, 461 comments (0 Viewing)

Hydraulic Efficiency Looms Larger and Larger

03/26/2015 by IHS GlobalSpec eNewsletter
In a recent Hydraulics & Pneumatics column, hydraulics guru Brendan Casey says energy management will become a major issue for the industry ov...
Views: 118, Comments: 0

Simulations Speed System Validations

12/28/2014 by IHS GlobalSpec eNewsletter
An extensive Fluid Power Journal tutorial highlights the utility of fluid power system simulations and how they save development time (and funds) by...
Views: 187, Comments: 0

Hydraulics Powers One-off Chinese Swing Bridge

08/31/2014 by IHS GlobalSpec eNewsletter
When Chinese engineers built a highway overpass, they could not disrupt the high-speed rail line the roadway would straddle. Instead they built th...
Views: 655, Comments: 3
Last comment 11/20/2014 by TongueAang
Go to this Blog

Workbench Creations

156 blog entries, 1981 comments (0 Viewing)

DIY Maple Syrup Making

03/22/2015 by joeymac
If you love maple syrup and have certain types of maple trees on your property, you can collect sap and make your own! It's that time of year when w...
Pathfinder Tags: maple syrup
Views: 301, Comments: 13
Last comment 03/24/2015 by Wal

Repaired Garage Foundation

03/06/2015 by SavvyExacta
Some of you may remember a post that solicited opinions on repairing a garage foundation. I thought I would check back in with you and share what was...
Views: 380, Comments: 12
Last comment 03/09/2015 by ozzb

Del's DIY Bow Making Thicknesser

10/25/2014 by Del the cat
I'm not into laminated and backed bows in a big way, but decent Yew is scarce so its good to make the best use of the available wood. That means using...
Views: 538, Comments: 19
Last comment 10/30/2014 by bluebelly
Go to this Blog

Mechanical Components Blog

120 blog entries, 902 comments (0 Viewing)

Energizing the Era of the Exoskeleton

01/19/2015 by IHS GlobalSpec eNewsletter
The dream of using powered mechanics to increase the strength of human operators is finally marching forward. Exoskeletons have been trapped inside...
Views: 223, Comments: 1
Last comment 01/20/2015 by micahd02
Go to this Blog

Motors Blog

71 blog entries, 1267 comments (0 Viewing)

What IoT Means for Motors

12/24/2014 by IHS GlobalSpec eNewsletter
You've probably been hearing a lot about the Internet of Things (IoT) lately, but have you heard what it can do for motors? If not, you may be in...
Views: 238, Comments: 0

Amorphous Iron: The Right Stuff for Motors?

06/17/2014 by IHS GlobalSpec eNewsletter
Engineers should know a couple of things about amorphous iron: it's not hard to come by and there are good reasons for using it in motors, according t...
Views: 709, Comments: 0
Go to this Blog

Pneumatics Blog

96 blog entries, 635 comments (0 Viewing)

Pneumatics Help SpaceX Pursue "Out-of-This-World" Goals

11/15/2014 by IHS GlobalSpec eNewsletter
Despite recent catastrophes, the call for space exploration will continue. California-based SpaceX, a space transport services company, is pursuin...
Views: 321, Comments: 1
Last comment 11/17/2014 by rashavarek

Fluid Power to the Rescue

10/15/2014 by IHS GlobalSpec eNewsletter
Researchers are using both pneumatic and hydraulic power in efforts to help patients suffering from crippling injuries. In this article, Hydraulics...
Views: 274, Comments: 0

Energy Storage Solution in the Bag?

09/13/2014 by IHS GlobalSpec eNewsletter
Can air and water combine to meet the challenge of storing energy from renewable sources? A Canadian start-up company called Hydrostor thinks so....
Views: 581, Comments: 16
Last comment 01/23/2015 by kennynabb6
Go to this Blog

Other Blog Entries of Interest

GEA Co-Sponsors Technical Conference

03/27/2013 posted in GEA's Global HVAC Technology Blog
by larhere
We are pleased to be one of the sponsors of the 2013 ASHRAE Region VI Technical Conference being held May 1 and 2 in our hometown of La Crosse, WI. T...
Pathfinder Tags: GEA hvac industry HVAC technologies
Views: 191, Comments: 0

World's Tallest Building (A Prefab) - Update From China

03/20/2013 posted in GEA's Global HVAC Technology Blog
by larhere
We have been following this ambitious undertaking of building the world's tallest building, the 220 floor "Sky City", in an incredibly short three mo...
Pathfinder Tags: buildings china hvac fabricated buildings Prefab Buildings
Views: 917, Comments: 10
Last comment 07/22/2014 by RandallAvery

Supply Chain Insights - an Industry Veteran's View

03/13/2013 posted in GEA's Global HVAC Technology Blog
by larhere
In my thirty plus years in Strategic Supply Chain I have come to appreciate the constant evolution in our business. I'd like to share with you today...
Pathfinder Tags: global sourcing HVAC
Views: 261, Comments: 1
Last comment 03/14/2013 by JNB

Customer Centric Concepts – Unlocking the Secrets

03/06/2013 posted in GEA's Global HVAC Technology Blog
by larhere
The term Customer Centric Concepts came from our 25 years of experience developing and maintaining account relationships with Trane's National Account...
Pathfinder Tags: Customer Centric Concepts Customer Satisfaction HVAC Partners
Views: 257, Comments: 11
Last comment 03/12/2013 by Yusef1

HVAC Materials – An Evolution

02/27/2013 posted in GEA's Global HVAC Technology Blog
by psikorsky
This week GEA's PJ Sikorsky answers questions about materials used in HVAC products over the years. 1. What has been the biggest change in materials...
Pathfinder Tags: Corrosion HVAC Metallurgist materials materials selection New Refrigerants
Views: 445, Comments: 1
Last comment 08/26/2013 by 129CBRider

Ozone Layer Healing, But...

02/15/2013 posted in GEA's Global HVAC Technology Blog
by larhere
According to the ozone sensors on Europe's MetOp weather satellite, the hole over Antarctica in 2012 was the smallest in the last 10 years. Since...
Pathfinder Tags: Antartic hole global warming ozone layer
Views: 494, Comments: 24
Last comment 12/12/2013 by truth is not a compromise

Advertisement