Shadow Graphs

Shadow Graphs

Donny Star
Shadow graphs use lights and mirrors to magnify rollers to either 5:1, 10:1 or 20:1 magnification. the rollers are moved along the part, engineering drawings of the same scale are placed on the screen and profiles dimensions and positions can be measured. **appologies for an incomplete model, I will update this soon.** #Donny_Hale #measure #measuring_equipment #metrology #shadow_graphs
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