Posts by deajohn5556 



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Impact strength 


Your units are not consistent. First of all, a kg is&... 

Euler's theory 


Yes, sure; it applies to all materials that are elastic, includin... 

fully clamped plate centrally loaded 


Best source is Roark and Young, Formulas for Stress and Strain, 5... 

If you mean a central concentrated load the equation is
... 

Simply supported beam calculation 


Yes, I agree. For the reactions to be equal the distributed... 

Composite Materials 


GRE consists of glass fibers in an epoxy matrtix
GRP consists of... 

stress concetration factor (SCF) 


The relation is
K = 1 + q(Kt1) ... 

PIN ENGAGEMENT 


Does anyone know of the required pin engagement depth for a steel... 

How much force to bend 3mm x 15mm 80,000psi steel. 


You need to klnow the length to determine this and even then at 9... 

Moment of Inertia 


Yes, it is.
In your case I(a) is inertia of C section an... 

You need to calculate the inertia of the plate and inertia of the... 

mechanical resonance mechanical spring mass forced by 


Not sure of your question  is not the answer the same as your qu... 

Danger in using full threaded screw in place of partial thread? 


Are these screws that go thru a clearance hole and then&nbs... 

Thread Dimensioning 


The thread length per NAS standards is measured to the bottom of ... 

I beam Rating 


That sounds about right. For a simple support beam 25 feet ... 

Stress relieving of aluminum weld mount 


Typical stress relief is done between 200F and 400F. If you... 

Question: If the part was warped after welding and you went to 20... 

Stress relief requires both time and temperature so maybe it was ... 

After welding 6061T6, temper will drop to T4 within one inch of ... 

Tensile strength 


Tensile strength is measured by a tensile testing machine with&nb... 

natural frequency 


For a single degree of freedom, frequency is 3.13/sqrt deflection... 

The equation you mention is close( 3.13/sqrt deflection)  i... 

Material Properties 


You can get technical data ( strength, etc.) from www.matweb.com.... 

Bolt load difference between col and hot 


Sure, it is rather straightforward.
It can be simplified by assu... 

M3 x 0.5 Nut internal diameters? 


According to the Machinery's handbook, the minor diameter externa... 

Window for pressurized chamber made from laminated glass? 


No problem, happy to respond any time.
Glass is VERY strong with... 

it would take moree space than these boards can print to ... 

Usually our windows are circular not rectangular. And we opearte ... 

Under 2 atm pressure (30 psi) I calcualte a stress of 2700 psi fo... 

Steel Mechanical properties. 


I believe that would be in the process of manufacturing the ... 



Showing Messages 130 (of 178)
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