Smart 3D Printing - · PDF fileSmart 3D Printing DCMME Fall Conference “Managing Smart...
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Smart 3D Printing DCMME Fall Conference
“Managing Smart Manufacturing”
October 20, 2015
Stacey M. DelVecchio
Additive Manufacturing Product Manager
Caterpillar Inc.
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Caterpillar Confidential Green
Smart 3D Printing
Agenda
• Who We Are
• Building Engagement & Knowledge
• Use Cases
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Smart 3D Printing
Agenda
• Who We Are
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Caterpillar is the world’s leading manufacturer of
construction and mining equipment, diesel and
natural gas engines, industrial gas turbines and
diesel-electric locomotives.
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Additive Manufacturing at Caterpillar Inc.
• 1990 – Rapid Prototyping Lab
• SLA, LOM, SLS,
FDM, Metal
• 2009 – Design Groups
• FDM
• 2013 – Innovation Group
• 2014 to present
• Additive Manufacturing Group
– Additive Manufacturing Factory
– Nomadic Printer Program
– SLA, SLS, FDM, DMLS, ink jet
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Smart 3D Printing
Agenda
• Who We Are
• Building Engagement & Knowledge
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Building Engagement & Knowledge
• Deployment Acceleration
• Additive Manufacturing Factory
• Nomadic Printers
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Deployment Acceleration
Nomadic Printer
Program – Expose employees to
3D printing with a printer
at their facility
Additive Manufacturing
Factory – Source of supply
– First parts delivered
Technical
Expertise
Additive
Factory
Nomadic
Printers
Technical
Expertise
Catalyst Group – bring
in expertise – RCWT Additive
Manufacturing Summit
– Mentor and coach
engineers
Accelerate adoption of
additive in product
groups – Product Group ownership
– A&I Additive
Manufacturing Group
enablers
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Additive Manufacturing
Factory
• Machines available to
produce production
intent parts
• A tool to help with
technical expertise and
be a production source
• Status
– Estimated completion:
October 2015
Additive
Factory
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Nomadic Printers
• Expose employees to the potential of 3DP by having a
printer at their facility to use and experiment with
– Different…
• Processes
• Suppliers
• Materials
• Software
• Duration
– 6 months
– 6 locations
Printers named
after inventors
Nomadic
Printers
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Nomad Program Feedback
• Much innovation spurred by having a system
• Ink jet printers too much for our beginners…
• Initial glee until…‘sticker shock’ when re-ordering material
• Internal website for sharing, i.e. ask questions, share failures
• Start small; move up the technology ladder
• Dispel the notion that “it’s nice, but we need metal”
• Culture change: Cost of 3DP vs. realization of benefits
Lessons Learned
Nomadic
Printers
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Smart 3D Printing
Agenda
• Who We Are
• Building Engagement & Knowledge
• Use Cases
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Use Cases
• Design Verification / Display
• Gauging
• Manufacturing Aids
• Casting Aids
• Production
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DESIGN VERIFICATION
1/12TH Scale Dragline Bucket
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3D Printed Assemblies to show
design differences
Undercarriage Roller Comparison
DESIGN VERIFICATION
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Half Scale Hammer
Saved $10K to $15K tooling cost
DESIGN VERIFICATION
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Tip/ Adapter Assembly
Adapter truncated to make a base
DISPLAY
Tip/Adapter Assembly - Trade Show
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Stacked assembly of four field gages
Field Gauges
GAUGING
$50 vs. $600/ 1 Week
Compactor Tip gage - Slider bar is lowered to
meet tip surface, indicating worn percentage
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CMM – Plastic Link and Fixture
MANUFACTURING AIDS
36 Track Links of various sizes
• Machine Setup
• Safety Improvement
• CMM Programming
Savings = $160,000
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Molds made from scrap steel:
• Heavy
• Sharp edges
• Not reliable
Savings in repair = $27,000/yr
MANUFACTURING AIDS
Molds – Silicone Masking
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Snap Gauge Handles
MANUFACTURING AIDS
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Piston Ring Removal Tool
MANUFACTURING AIDS
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Savings:
• $10,000 design and fabrication cost
• 8 weeks lead time
MANUFACTURING AIDS
Rocker Arm Assembly Fixtures
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On returned cores the part numbers are usually worn
away, so a profiling tool is required for identification.
MANUFACTURING AIDS
Low Volume Bowl Gauge
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Repair Cost = $100s
Repair cost = $100s to $1000s
MANUFACTURING AIDS
Tool Holders & Covers
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Patterns for Molded Parts
Full size 3D printed
pattern Urethane part made
using silicon mold
Pattern was used in mold
box to make silicon mold
CASTING AIDS
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Pattern to Cast Compactor Wheel Tip
CASTING AIDS
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Pattern to Cast Compactor Wheel Tip
CASTING AIDS
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PRODUCTION
Hose Clamps
Optimization opportunities?
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Backup Rings
Hose Clamps
Printed by: A&I Additive Mfg
Ready for parts orders now
Dealer–O Ring Installation Tools
Printed by: A&I Additive Mfg
Ready for parts orders now
Shade Brackets Printed by: A&I Additive Mfg
1st parts sold to fulfill backorder
Southern Germany
Yokes Printed by: PD>
Ready for parts orders: TBD
Printed by: A&I Additive Mfg
Ready for parts orders now
Additive Manufacturing Parts In Process
PRODUCTION
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Smart 3D Printing
Agenda
Who We Are
Building Engagement & Knowledge
Use Cases