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## Cheat sheet for final exam

1 review
by: Drake Lundstrom

45

1

1

# Cheat sheet for final exam

Marketplace > The University of Cincinnati > > Cheat sheet for final exam
Drake Lundstrom
UC

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Cheat sheet for final exam
COURSE
Manufacturing processes
PROF.
TYPE
Study Guide
PAGES
1
WORDS
KARMA
50 ?

## 1

1 review
"The content was detailed, clear, and very well organized. Will definitely be coming back to Drake for help in class!"
Waino Schuppe

## Popular in Department

This 1 page Study Guide was uploaded by Drake Lundstrom on Tuesday January 5, 2016. The Study Guide belongs to at The University of Cincinnati taught by in Spring 2015. Since its upload, it has received 45 views.

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## Reviews for Cheat sheet for final exam

The content was detailed, clear, and very well organized. Will definitely be coming back to Drake for help in class!

-Waino Schuppe

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Date Created: 01/05/16
Drake Lundstrom Deff: e= engineering stress, e= F/ Ao Manufacturing: Application of physical and F = applied Force e=(L-L o/Lo chemical processes to alter the geometry, Ao= original area Hooke’s: e=Ee properties, and/or appearance of a starting e = engineering strain; TS=F max/A o material to make parts or products. L = length during elongation EL=(L-f )oL o Assemby/Processing L o original gage length Strain/stress in logs Materials: Metals, Ceramics, Polymers, E=young’s Module   Kn Composites. TS=tensile strength 2 TRS=(1.5FL)/(bt ) 2 2 Crystal Structure: Body Centered cubic:strong EL=elongation; L =fracture HB=2F/(2piD (b -(b -Db)^.i)) Face centered: soft, Hexagonal close packed. K = strength coefficient; Cooling: L and T correspond Point defect=miss, extra, displace n = strain hardening exponent L2 - L1 = L1 (T2 - T1) Line defect=edge (v), screw (wrapped axis) TRS=transverse Rupture Streng Surface=grain volume=hole/other mat F=load at fracture/indent vfd=removal r=o ct Dislocation: easier to form, less sturdy L=length between supports tan φ=(rcos α/(1-rsin α)) (design) Bxt=cross section dimensions γ = cot φ + tan(φ - α) Elastic=return plactic=change twinning=mirror HB=BHN (hardness) Tensile, compressive, shear=scissors D bball diameter (T) uniform elongation, necking, snap, reform D iindent diameter Elastic region, plastic region =coefficient thermal expansion Yield point, strength, stress, elastic point v=cutting speed; F=feed Brinell hardness test d=depth of cut; r=ratio Themal exp: high temp, low density o =chip original;ct =cut chip Tools:hot hardness, wear resist, toughness φ=shear plane angle Speed, depth, chip(cont/not), angle, temp α = rake angle F, N, Fs, and Fn cannot be directly measured γ = shear strain Forces acting on the tool that can be Friction force F and Normal measured; Cutting force Fc and Thrust force force to friction N Shear force Fs Ft and Normal force to shear Fn F = Fc sinα + Ft cosα Abrasiaon; adhesion; diffusion/crater wear; µ=coeff of friction N = Fc cosα - Ft sinα chemical; plastic deformation/flank wear β=griction angle Fs = Fc cosφ - Ft sinφ Turning, drilling, milling, high speed, abrasion v=cutting speed (edge) Fn = Fc sinφ + Ft cosφ 1=common;2=harder,less tough;3=steel,hard; T=tool life µ=F/N 4=not steels n=slope; C=intercept logs µ = tan β Small grain (big number)=hard,polish Drilling: MRR=piD^2/4*fN S=Fs/As Hard=small,fast,dense,soft glue As=To*w/sinφ Grind=high energy Φ=45+α/2- β/2 Part families=visual, prof=duction flow, code vT =C Flexible: Can it process different part styles in a non-batch mode? Can it accept changes in production schedule? Can it respond gracefully to equipment malfunctions and breakdowns? Can it accommodate introduction of new part designs? In line,loop,ladder,field,robot

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