nadca - visi-trak - top aluminum die casting experts, …¼rgen wüst october 2008 nadca plant...
TRANSCRIPT
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October 2008Jürgen Wüst
NADCAPlant Management Conference
2017
Control Upgrades
John Cleary – Aavid Allcast
Arick Kaschalk – Visi-Trak
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October 2008Jürgen Wüst
John Cleary
35 Years foundry experience
31 Years HPDC experience
“The greatest enemy of knowledge is not ignorance, it is the
illusion of knowledge.”
― Daniel J. Boorstin, The Discoverers: A History of Man's Search to Know His World and Himself
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October 2008Jürgen Wüst
In The beginning
In 1982 when I was a young technician , I was taught that
there was 100 variables when making a die casting and if
you controlled 95 of them you had a good chance of
making an acceptable casting.
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October 2008Jürgen Wüst
Today
With The Expectation Of Today’s Customers You Have To
Keep All 100 In Control And Need To Be Certain That You
Are Making A Quality Casting
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October 2008Jürgen Wüst
Aavid Allcast
Partnered With Visi Trak
Aavid Allcast’s Journey To Process Control
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October 2008Jürgen Wüst
Aavid Allcast
Partnered With Visi Trak
Installed our first monitor in 1998
Continued upgrades until all machined were monitored
Started with Sure Trak shot control with a shot end upgrade
on a 800 ton Prince in 2004 .
Upgraded a total of 7 Machines to date
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October 2008Jürgen Wüst
Controlling your Variance
Sure Trak Control VS. PLC Machine Control
Where Is The Variance
Can You Control Your Variance?
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October 2008Jürgen Wüst
Controlling your Variance
Solenoid Operated Pilot Valves, LS, PLC control
vs. Sure Trak Controls
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October 2008Jürgen Wüst
Controlling your Variance
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October 2008Jürgen Wüst
Controlling your Variance
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October 2008Jürgen Wüst
Controlling your Variance
Sure Trak Control Of Your Intensification Pressure
The Benefits Of Time Delay For Intensification Pressure
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October 2008Jürgen Wüst
Controlling your Variance
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October 2008Jürgen Wüst
Adding Control
We Added our First Control In 2004, This was Done During
The Remanufacture Of The Diecast Machine .
Continued With Upgrade on 3 More Machines Over The
Next Five Years
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October 2008Jürgen Wüst
Visi Trak vs. OEM controls
2012 We Added A New Diecast Machine With OEM Shot
Control
Added a Second Machine 2013 With OEM Shot Control
Added Third Machine First Quarter 2014 With OEM Shot
Control
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October 2008Jürgen Wüst
Visi Trak vs. OEM controls
OEM Shot Control Pros
Integrated Well Into The Machine Design
Performed At A Very Acceptable Level
Controlled Both Shot Profile and Intensification Pressure
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October 2008Jürgen Wüst
Visi Trak vs. OEM controls
OEM Shot Control Cons
Need To Keep Many More Spare Parts In Inventory
Reduced Product Support
Difficulty To Train To Systems to the Process Control Team
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
We Purchased 3 More Diecast Machines ,2 in 2014 4
Quarter and 1 2015 With Sure Trak Controls
At This Time We Also Made the Decision To Convert The
OEM Controls To Sure Trak Controls
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
The Process Was Very Efficient
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
The Process Was Very Efficient
Installed A Self Contained Visi Trak Control
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
The Process Was Very Efficient
Installed A Self Contained Visi Trak Control
Removed OEM Solenoid Valve Piloted Cartridge Style
Metering Valve .
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
The Process Was Very Efficient
Installed A Self Contained Visi Trak Control
Removed OEM Solenoid Valve Piloted Cartridge Style
Metering Valve .
Installed Olmsted SV Cartridge Valve Piloted By Woodward
Servo Valve
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
The Process Was Very Efficient
Installed Self Contained Visi Trak Control
Removed OEM Solenoid Valve Piloted Cartridge Style
Metering Valve .
Installed Olmsted SV Cartridge Valve Piloted By Woodward
Servo Valve
Interfaced the OEM Intensifier Pressure Proportional Valve
With The Visi Trak Control
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October 2008Jürgen Wüst
Converting OEM Control To Sure Trak Controls
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October 2008Jürgen Wüst
OEM Installed Sure Trak Control
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October 2008Jürgen Wüst
OEM Installed Sure Trak Control
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October 2008Jürgen Wüst
OEM Installed Sure Trak Control
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October 2008Jürgen Wüst
OEM Installed Sure Trak Control
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October 2008Jürgen Wüst
The Benefits of our Transition
Uniform Shot Controls Throughout Our Operation
Uniform Training For Process Control Technicians
Uniform Training For Maintenance Personnel
Reduced Inventory for Critical Spare Parts
Excellent Customer Support
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October 2008Jürgen Wüst
New vs Upgrade
2017 Corvette Z06
- 6.2 Liter V8
- 650 hp
- 0-60: 3.6 sec
- 22 MPG
1994 Corvette ZR1
- 5.7 Liter V8
- 405 hp
- 0-60: 4.6 sec
- 27 MPG
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October 2008Jürgen Wüst
New vs Upgrade
or
+
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October 2008Jürgen Wüst*Source: NADCA State of the Die Casting Industry 2017
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October 2008Jürgen Wüst
OEE = A x P x Q
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October 2008Jürgen Wüst
Complete Die Casting Process Technology
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October 2008Jürgen Wüst
Shot Control Objectives
Accurate and Precise: “Follow the Method”
OEE: Focus on A & Q metrics
Eliminate Flash
Scheduling & Flexibility
Low Operation Cost
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October 2008Jürgen Wüst
Considerations (Upgrading Shot Control)
Overall Condition of the Machine
Hydraulic Layout
Cost
Layout of Facility
Market Demands
- Structural, Weldable, High Integrity
- Low Scrap Rates
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October 2008Jürgen Wüst
Hydraulic Circuit Configuration
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October 2008Jürgen Wüst
Olmsted SV Valve – Servo Piloted DIN Cartridge
Valve
• DIN 24342 – ISO 7368
• Engineered specifically for Slow, Fast & Low Impact Phases of Die Cast Process
• Lightweight Gate for Fast Nimble Response
• LVDT Feedback for Closed-Loop Control and Diagnostics
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October 2008Jürgen Wüst
OBJECTIVES Improve Part Quality by increasing
Accuracy & Consistency of
- Slow/Int Shot Velocity
- Calculated Start of Fast Shot
- Fast Shot Velocity
- End of Shot Position
Reduce Occurrences of Flashing
Get machine back in Service ASAP
Decrease Machine Downtime & Maintenance Technician Time spent on Machines
Decrease Spare Part Replacement Buys
Improve Capability of the machine to meet market demands
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October 2008Jürgen Wüst
Control Upgrades on DCM’s: 1200 Ton (1994)
OPERATOR SIDE: Upgrade installed in August 2014
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October 2008Jürgen Wüst
Control Upgrades on DCM’s: 1200 Ton (1994)
HELPER
SIDE:
Upgrade
installed in
August 2014
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October 2008Jürgen Wüst
Statistical Analysis
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October 2008Jürgen Wüst
SHOT TRACE
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October 2008Jürgen Wüst
RESULTS 3-5 day turnaround for Install
Statistical Analysis Revealed Accuracy and Consistency showed Marked Improvement
Flashing Occurrences almost completely eliminated
20% Increase in Machine Utilization
8 Month ROI, made up of Increased Machine Uptime, Less Maintenance Time on Machine, No Components Replaced, Eliminating Leaks on Shot End Hydraulic Circuit, Decreased Scrap & many others…
Machine now capable of handling advanced castings because of improved injection performance
http://www.visi-trak.com/wp-content/uploads/2017/05/Metaldyne-Article-
Die-Casting-Engineer-July-2016.pdf
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October 2008Jürgen Wüst
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October 2008Jürgen Wüst
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October 2008Jürgen Wüst
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October 2008Jürgen Wüst
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October 2008Jürgen Wüst
OEE = A x P x QA: Availability or Uptime (Run Time / Planned Production Time)
P: Performance (Ideal Cycle Time x Total Count)/Run Time
Q: Quality (Good Shots / Total Shots)
90% x 90% x 90% = 73% OEE
World Class OEE: 85%
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October 2008Jürgen Wüst
? If you are running at a 20% Scrap Rate, how many parts do
you have to produce to get 100 Good Parts?
- A) 120 x 80% = 96
- B) 124 x 80% = 99
- C) 125 x 80% = 100
Are you capturing all of the costs associated with Scrap?
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October 2008Jürgen Wüst
Why is Downtime Different in Die Casting?
Before you can
proceed into
production, you must
first attain Thermal
Balance of your die
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October 2008Jürgen Wüst
‘F’ Word
Flashing!
Safety Issue
Causes Downtime
Lowers Die Life
Potential Damage to Property
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October 2008Jürgen Wüst
Hydraulic Leaks
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October 2008Jürgen Wüst
Shot Control Checklist
High Performance Valves
Closed Loop Control
Filtration
Hydraulic Piping for Laminar Flow
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October 2008Jürgen Wüst
Which path should you choose?
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Availability
Performance
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Cost $ $0 $$ $$$ $$
ROI $
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October 2008Jürgen Wüst
Questions?John Cleary
Aavid Allcast
Office: 262-629-5566
Arick KaschalkVisi-Trak Worldwide, LLC
Office: (216) 524-2363