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1. 

   Mechanical Engineering Questions

   A group blog by Mech Members

   • 356
     entries
   • 1328
     comments
   • 837596
     views

   Recent Entries

   • What are the different Types of allowances in Casting process?
   • What is the need of Pre-heating and Post heating in welding process?
   • In  a multi-cylinder engine,why  the firing is done at different time ? what are the firing order for a four cylinder petrol engine? 
   • What is Firing Order of 4 and 6 Cylinder Engine?
   • Explain the term hot cracking & cold cracking in welding and how these can be taken care of ?

   

   Latest Entry
   

   What are the different Types of allowances in Casting process?

   By admin, January 22

   What are the different Types of allowances in Casting process?

   

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2. 

   Mechanics Corner

   A blog by DrD

   • 74
     entries
   • 378
     comments
   • 41160
     views

   Recent Entries

   • #44 Mouse Trap / Pendulum Dynamics Challenge
   • #43 Four-Bar / Toggle Linkage Mechanism
   • Triple Rocker
   • #42 Gear Pair Problem
   • Modeling Hysteresis

   

   Latest Entry
   

   #44 Mouse Trap / Pendulum Dynamics Challenge

      Mechanics Corner
       A Journal of Applied Mechanics and Mathematics by DrD, # 44
         Machinery Dynamics Research, 2017
       

   Mouse Trap / Pendulum Dynamics Challenge - Part I

   
   Introduction

       Mice are a problem all over the world, and as a result, I'm sure that there are mouse traps of various sorts found everywhere. It would be utterly amazing if this were not true! In the USA, there is a very common type of mouse trap that I have seen used all my life, the sort of system shown below in Figure 1. I want to spend a few minutes discussing this mouse trap, to be certain that all readers understand how it works, before moving on to the main part of the post.

   

   MouseTrapPendulumDynamics-1.pdf

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3. 

   Welcome at Mechanical-engineering.in

   A group blog by

   • 44
     entries
   • 68
     comments
   • 62552
     views

   Recent Entries

   • Change in the website addres
   • Introducing android app for Mechanical Engineeirng forum
   • Calling Mechanical Engineers to collaborate on Twitter
   • Celebrating one Million Pageviews on Mechanical Engineering Forum
   • Get facebook notification of Mechanical Engineering Forum's page

   

   Latest Entry
   

   Change in the website addres

   By saurabhjain, June 26, 2016

   kindly note 

   Previous url was - http://mechanical-engg.com/forum/

   Now current url   http://mechanical-engg.com

   If you open the old url : it will automatically redirected to new url

    

   Regards

   Saurabh

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4. 

   Not Taught in Class

   A blog by JAG Engineering LLC

   • 23
     entries
   • 54
     comments
   • 9106
     views

   Recent Entries

   • The True Value of Certification
   • The Exponential Age
   • I Thought You Knew
   • If There Is a Fastener There Will Be a Tool That Requires Access.
   • Over Engineered or Over Designed?

   

   Latest Entry
   

   The True Value of Certification

    

   The link below is an article about the value of certification for manufacturers. It is a heavy sell for certification. In my opinion it misses the most basic benefit of certification, which is the path to getting certified.

   http://www.machinedesign.com/industrial-automation/why-do-manufacturing-certifications-matter?NL=MACD-001&Issue=MACD-001_20170523_MACD-001_398&sfvc4enews=42&cl=article_1_b&utm_rid=CPG05000005789847&utm_campaign=11223&utm_medium=email&elq2=ac7bbf3354354d12ba54569ff985ae31

   When people ask me about ISO 9000, the simple explanation I give, “the process of certification requires you to write down your process and demonstrate that you follow the process.” The certification system does not dictate your process.

   The mere action of writing down and maintaining the written procedure is the real value. In one of my blogs “Dumbest Guy in the Room", written in two parts, http://www.jagengrg.com/blog, I touch on the value of the written word and the perils of oral communication. 

   Writing it down allows everyone to see exactly what the author thinks is being done or should be done. Others can read the written word and identify ambiguous sections, missing information, or errors that can easily be overlooked using oral communication.

   When everyone is carrying the information in their head’s via oral direction I can guarantee there is more than one interpretation. I would venture to say you will have as many interpretations as you have people involved.

   When written procedures do exist but do not come under the scrutiny of a certification body, it is very common for procedures to become stale, be incomplete, rely on undocumented knowledge, and for steps in the process to be missed from time to time.

   The subject article closes with a realistic assessment of the value for certification. “Is having a certification the end-all-be-all of manufacturing? No. However….”

   You reach the "however" stage, not my hanging the certification on the wall, but the process for obtaining it. 

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5. 

   Questioning Engineers

   A blog by Arpit.v

   • 15
     entries
   • 40
     comments
   • 14760
     views

   Recent Entries

   • What do you understand by wobble and lift in a wheel ?
   • Why diesel engines have heavier flywheel than petrol engines ?
   • What is Reverse Engineering ?
   • What do you understand by assembly line ? What is the meaning of takt time in assembly line process of manufacturing ?
   • What is lean manufacturing ?

   

   Latest Entry
   

   What do you understand by wobble and lift in a wheel ?

   Give answer according to your skills. Please don't copy from other sources available on net.

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