Technology Roadmap for Energy Reduction in Automotive

Applications
•Tier 1 supplier supplier
•Tier •Tier 2 suppliers
•OEM •OEM –Automotive
•Any business which
uses uses nuts and bolts to
secure joints
Exhibit 7.4 Priority Topic Final Assembly
Low‐friction Fasteners
Low Low‐friction ‐ friction fastening methods that achieve clamp loads, reducing energy input
Partners
F –DOEmaterial –DOE material research, or
aerospace material research
U – Benchmark, define scope
and algorithms, modeling,
application area
I – Implementation and real
life trials
G –Helpdefine –Help define labs,
materials, and technology that
can be used and shared with
other industries
Challenges
• Material science
• Cost of materials
• Ability to implement new
technology in plants, production
• New design approaches
R&D Timeline
Near ‐ Benchmark current fastening methods in final final
assembly (i.e., thread forming, torque prevailing,
free running)
Mid ‐ Investigate nanotechnology that would would allow
fasteners to have low dynamic friction but high
static friction
Long ‐ Investigate new fastening methods
Risks
Technical
• The ability to create the new
technology
Commercial
• Needs to be the same or lower cost
with same quality, capability, and
reliability
8.31.09
Targets
• Minimize energy use
while torquing
• Retention of clamp
load post‐torque
•Lowdynamic •Low dynamic friction,
high static friction
Benefits
Energy
Environment
Economics
Ergonomics
Other
•Smallerfasteners, •Smaller fasteners, smaller
tools, lower torque are better
for design, potentially easier
to work with
TECHNOLOGY ROADMAP FOR AUTOMOTIVE MANUFACTURING ENERGY REDUCTION 42