⚙ Mechanical Engineering

Problems with dense phase conveying systems for alumina (Scaling, Fouling)

Hello, my name is Arne L=FCken and I am studying process engineering in Hamburg Germany. In line with my studies I am w...

0 comments posted 20yrs

posted by arne_luken

0 comments posted 20yrs posted by arne_luken

mechanical fill level sensors?

I lack mech engr experience and would be grateful for answers in layman-ese :-) Let's say we have an *unpressurized* op...

25 comments posted 20yrs

posted by Liams

25 comments posted 20yrs posted by Liams

Re: easy stepper control?

>Can anyone recommend *the* easiest way to control stepper motors, using >a computer through an RS-232 port? I've got t...

7 comments posted 20yrs

posted by betwys1

7 comments posted 20yrs posted by betwys1

Specification mentioning HP and BHP

Hi, I have seen several advertisements of the lightweight two wheelers saying its engine has Horsepower of 1.5 HP. Some...

5 comments posted 20yrs

posted by jainbi

5 comments posted 20yrs posted by jainbi

cantilever beam model

I'm trying to figure out a simple way of determining the first natural frequency of a cantilever beam. I figured it wou...

5 comments posted 20yrs

posted by eryk33

5 comments posted 20yrs posted by eryk33

Wanted: FEA report checklist

I am trying to create a checklist for reviewing FEA design reports that we will publish to a client. I would like the r...

0 comments posted 20yrs

posted by jmullner

0 comments posted 20yrs posted by jmullner

Tube Length help

Guys, its been a while since I have had to do these calcs and was hoping someone might be able to assist me jump start...

0 comments posted 20yrs

posted by buitaz

0 comments posted 20yrs posted by buitaz

Welding of 304L SS

I am curious if there are any problems associated with welding 304L stainless steel with low carbon AWS ER316L filler r...

0 comments posted 20yrs

posted by jevoltin

0 comments posted 20yrs posted by jevoltin

GRAVITY IS NOT A FORCE

SUBJECT: GRAVITY IS NOT A FORCE PLANETS ORBIT THE SUN AT A SPECIFIC MEAN RADIUS L TO CONSERVE TOTAL ENERGY. THE FORCE O...

0 comments posted 20yrs

posted by GRAVITYMECHANIC2

0 comments posted 20yrs posted by GRAVITYMECHANIC2

swingset design

I'm planning to build a post and beam swingset out of 6x6 pressure treated lumber. I want to have 2 swings and one tire...

4 comments posted 20yrs

posted by dsailer

4 comments posted 20yrs posted by dsailer

Service engineers

hi guys, please tell me what should be the job profile of a After Sales Service engineer(product maintenance,installatio...

2 comments posted 20yrs

posted by pkres2000

2 comments posted 20yrs posted by pkres2000

warming up by air flow

hello all I'm creating a device to warm up some biological test tubes which contain some kind of biological substances....

4 comments posted 20yrs

posted by amin.zaribaf

4 comments posted 20yrs posted by amin.zaribaf

online downloadable edition of FP BOWDEN and TABOR

My library lists it but they cant find it, Friction wear and lubrication of solids. Is there any link i can download re...

1 comments posted 20yrs

posted by johntalks

1 comments posted 20yrs posted by johntalks

Strength of permanent magnet

Dear group, I have a magnet with the following data sheet -Barium ferrite -diameter 30mm, height 10mm =BFhow can i calc...

0 comments posted 20yrs

posted by estebanoliveros

0 comments posted 20yrs posted by estebanoliveros

Need some input on penetration dynamics

I am seeking papers/books with information regarding "ballistic" penetration through materials (< 20 m/s). More details...

2 comments posted 20yrs

posted by kurtsutherland

2 comments posted 20yrs posted by kurtsutherland