Post-Acquisition Integration Simulation MegaMouth Acquires Chewicalia.
The Integration of Jack Human Simulation Software …€¦ · The Integration of Jack Human...
Transcript of The Integration of Jack Human Simulation Software …€¦ · The Integration of Jack Human...
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PLM World ‘06
Premium Partners:
The Integration of Jack Human Simulation Software into the Design Process: A Case
Study
Matt MacPhersonSandalwood Enterprises Incorporated
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Who is Sandalwood?
• Michigan based Engineering Firm established in 1989
• Philosophy: to work with industry, government and academic leaders to combine existing and emerging knowledge into deployable process improvement
• Three technical specialties;– Ergonomics– Information Technology– Process optimization
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Sandalwood Partnerships
Technology Partners GEOMETRIC
SOLUTIONSGEOMETRICSOLUTIONSGEOMETRICSOLUTIONS
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What is Jack?
• Jack is a Human Simulation Tool that can be used as a stand-alone product or integrated within a variety of UGS suite of tools.
• Jack provides anthropometrically and biomechanically representative 3D human models for use in various applications:– Product Design– Manufacturing– Serviceability– Training– Research– Athletics– Entertainment
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Jack Users
Jack users include:
– Ergonomists – Product Design Engineers– Process Design Engineers– Manufacturing Engineers
• Applicable to multiple users with different perspectives and training
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What Can Jack Do?
· Static Ergonomic/Human Factor/Biomechanical Analysis
· Allows you to manipulate the human within a virtual environment
· Provides engineers with Real time data with how their parts/process interface with the human
· Custom animations can improve process flow and cycle times.
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Ergonomic Assessment Tools
· Fatigue Analysis· Lower Back Analysis · Manual Handling Limits· Metabolic Energy Expenditure· NIOSH· Ovako Working Posture Analysis· Predetermined Time Standards· Rapid Upper Limb Assessment· Static Strength Prediction
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Importing CAD models into the Jack Software
Import CAD models:· Vis (.jt)· IGES (.igs)· VRML (.wrl)· Stereolithography (.stl)· IV formats (.iv)
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Why use specialty ergo tools?Industry transition to digital data:
• Industries adopting all digital product design. Ergonomic evaluations can now be completed in the digital environment
Pro-active vs. reactive ergonomics:• Identify ergonomic/human factors issues
prior to product or process physical build • Visibility, Reach,Serviceability, Risk of
Worker Injury, etc…Cost advantage:
• Value of high end human simulation is prior to physical build, where design changes are inexpensive
Value Of Using the Jack Human Simulation Tool
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How is Jack used with Other Tecnomatix Products?
Vis Jack· This software allows you to place the digital human
into Vis Mockup.http://www.ugs.com/products/tecnomatix/human_performance/jack/vis_jack.shtml
Motion Capture Toolkit· With the MoCap Toolkit, engineers, designers or
users can be immersed in a virtual design to evaluate the human factors issues first hand
· http://www.ugs.com/products/tecnomatix/human_performance/jack/mct.shtml
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Case Study: An Automotive Frame Supplier
· Sandalwood was contacted about the Jack Human Simulation Software and how the software was capable of using CAD data.
· The company ergonomics engineer was working on a future program and was having difficulty performing ergonomics analyses because there was no physical parts
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Case Study: An Automotive Frame Supplier
· The following case study will highlight one way that a company gets introduced to the value of the Jack Human Simulation Software as an ergonomics assessment tool.
· To highlight the benefits of how the Jack software could be used we completed an Ergonomics assessment of a pre-determined assembly operation.
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Overview of the Ergonomics Assessment
· Retrieved digital product data· Reviewed Process – pictures, measurements, video· Built digital work cell· Generated task animation· Reviewed animation and conducted assessments to
identify improvement opportunities
Ergonomic risks were evaluated and improvements suggested were based on the following requirements:
· Strength requirements to complete the task· Reach and accessibility of the parts· Lifting demands
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Video of the assembly operation
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Current Process: unsafe lift due to reach, part weight, & vertical loading heightdue to reach, part weight, & vertical loading height
Simple Process Improvement Opportunity
· Reduce horizontal distance to load by 4 inches
· Increase % of population capable of safely performing task
Identifying Basic Ergonomic Concerns
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Current Process: unsafe lift due to reach, part weight, loading height and hand orientation
· Reduce vertical loading height by 6 inches
· Increase % of population capable of safely performing task
Simple Process Improvement Opportunity
Identifying Basic Ergonomic Concerns
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Creating the Assembly Environment
· For this study the company was unable to provide 3D data of the assembly layout.
· Using the various shapes and objects in the Jack software we were able to re-create the the environment.
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Workstation layout
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Creating a custom animation
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Cost benefits of making the recommended changes?
· Reduce the amount of Injuries· Reduce the overall injury costs· Reduce the high turn-over rate· Improve quality
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Direct Costs• Medical Expenses
Indirect Costs• Internal Medical Expenses• Absenteeism• Training Costs for New Workers• Lost Productivity & Efficiency
In general indirect costs are approximately 4 times greater than the direct costs!
Cost benefits of making the recommended changes?
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Injury Type Direct Costs Indirect Costs Total CostCarpal Tunnel $14,000 $28 - 70,000 $42 - 84,000Neck or Back $28,000 $56 - $140,000 $84 - $168,000
Source: North Carolina Worker Compensation
Cost Per Injury Type
It’s about the dollars…
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· The Process improvements were only a Band-Aid solution. · Full re-design of the equipment and the
workstation was more of a long-term solution/plan
· To make a significant impact to their process the company needed to have input during the design phase of their parts and tooling
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Proactive vs. Reactive Ergonomics
DESIGN BUILD PRODUCTION
Cost of Change
Money Available
Mon
ey
Program Timeline
During initial design process
PROACTIVE REACTIVE
OPTIMAL TOO LATE
After installation, before complaints
After Complaints After Injuries
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Virtual Verification of New Tooling Design
Facilitated by Sandalwood Facilitated by Sandalwood at Supplier Siteat Supplier Site
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• Digital data for proposed tooling design was loaded into the Jack at the Supplier site for both our client and their supplier engineers to review.
• Ergonomic issues were discussed and assessed on the spot using the Jack Task Analysis ToolKit.
• The necessary modifications were identified and supplier agreed to make changes in order to obtain the company’s Ergonomic Buy-off.
Virtual Verification of New Tooling Design
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Ergonomic Issue #1:The proposed tooling design would cause a blind operation leading the operator to assume an awkward posture to see their parts.
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Assessment: The line of sight to part attachment location for small female was assessed
Solution: Changes agreed upon to ensure small females would be able to see attachment points on tooling.
The overall tooling was lowered 6 inches to accommodate the 5th Percentile Female
The clamp that holds the part was opened
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Ergonomic Issue #2Design of the tool forced the operator to load the part at shoulder height, thus joint strength was a concern.
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Assessment:A static strength posture prediction was completed.
Solution:Identified the tooling orientation that would invoke the least demands at the shoulder joint.
Therefore the tooling was angled toward the operator by 20 Therefore the tooling was angled toward the operator by 20 degrees.degrees.
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Conclusion
· The company ended up purchasing the Jack Human Simulation Software and planned to not only utilize it for ergonomics, but also to help improve process flow, lean manufacturing, training and management demonstrations.
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Questions?