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25 Cards in this Set
- Front
- Back
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Stress
σ=(3) |
=F/A=Eε=Kε^n
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Strain
ε= |
=| ln(L/L0) |
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Time to manufacture
T=(2) |
=A/vD+Td
=V/Q |
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Prototyping
Q= |
D*t*u=(Pi/4)*D^2^u
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Metal Removal Rate
Mrr= |
=v*f*d
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Metal Machining Time
T= |
=(Pi*L*D)/(f*v)
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Shear Plane Angle
φ= |
=45+α/2-β/2
α=rake angle β=friction angle |
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Taylor Equation for Tool Life Expectancy
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vT^n=C
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Time to manufacture per part
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Tc=Th+Tm+Tt/np
Th-handling time Tm-manufacture time Tt-tool time np-number of parts per tool |
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Cost to manufacture one part
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Cc=Co*(Tc)+Ct/np
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Speed at bottom of runner
v= |
=sqrt(2*g*h)
g=981.5cm/s^2 |
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Conservation of
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Q=v1A1=v2A2
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Time to flow in cast
T= |
=V/Q
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Volume reduction in casting
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Vfinal=V0*(1-α)*(1-β)
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Length reduction in casting
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Lfinal=L0*((1-α)*(1-β))^(1/3)
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Buoyancy Force
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Fb=Wm-Wc
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Composite density
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ρ=fm*ρm+fr*ρr
f=volume fraction |
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Composite Elastic Modulus(2)
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Ec=fm*Em+fr*Er
Ec'=(Em*Er)/(fmEr+frEm) |
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Assembly torque
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T=Ct*D*F
F=sigma*As |
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change in diameter due to heat
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ΔD=α*D0*(T2-T1)
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Sheet metal working force
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F=S*t*L
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Sheet metal clearance
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c=a*t
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conservation of volume (2)
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t0*w0*L0=tf*wf*Lf
t0*w0*v0=tf*wf*vf |
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Average stress
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Yf=(Kε^n)/(1+n)
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Look it up
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pf=(Ei(Dc^2-Dp^2))/(Dc^2*Dp)
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