上游充互大粤 SHANGHAI JIAO TONG UNIVERSITY Concept Generation Example:Power Nailer Customer needs The nailer inserts nails in rapid succession The nailer is lightweight SENCO The nailer has no noticeable nailing delay after tripping the tool The target product specifications Nail lengths from 25 mm to 38 mm Maximum nailing energy of 40 joules per nail Nailing forces of up to 2000 Newtons Peak nailing rate of one nail per second Average nailing rate of 12 nails per minute Tool mass less than 4 kilograms Maximum trigger delay of 0.25 secondConcept Generation Example: Power Nailer Customer needs • The nailer inserts nails in rapid succession • The nailer is lightweight • The nailer has no noticeable nailing delay after tripping the tool The target product specifications • Nail lengths from 25 mm to 38 mm • Maximum nailing energy of 40 joules per nail • Nailing forces of up to 2000 Newtons • Peak nailing rate of one nail per second • Average nailing rate of 12 nails per minute • Tool mass less than 4 kilograms • Maximum trigger delay of 0.25 second