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Level 1
Branch main node | Level 2
DA groups | Level 3
DAs of the model | Level 4
DFs of the model |
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| 1. Verification of engineering parameters of the New product | 1.1 Form | 1.1.1 Aesthetics | 1.1.1.1 Shape |
| | 1.1.1.2 Size
1.1.1.3 Color
1.1.1.4 Symmetry
1.1.1.5 Incorporation with environment
1.1.1.6 Pattern repetition
1.1.1.7 Social association
1.1.1.8 Critical dimensions |
| | 1.1.2 Ergonomy |
1.1.2.1 Operating height |
| | | 1.1.2.2 Ease of function/use
1.1.2.3 Lighting
1.1.2.4 Human/machine interaction
1.1.2.5 Comfort
1.1.2.6 User fatigue
1.1.2.7 Color recognition
1.1.2.8 Anthropometry
1.1.2.9 Rationale and efficiency of controls and displays layout |
| | 1.1.3 Simplicity |
1.1.3.1Technology |
| | | 1.1.3.2 Manufacture
1.1.3.3 Maintenance by user
1.1.3.4 Use |
| | 1.1.4 Transportability |
1.1.4.1 Lift |
| | | 1.1.4.2 Move/transport
1.1.4.3 Size overall
1.1.4.4 Packaging
1.1.4.5 Max dimensions
1.1.4.6 Max weight
1.1.4.7 Storage
1.1.4.8 Shipping/travel |
| | 1.1.5 Manufacturability |
1.1.5.1 Tolerances |
| | | 1.1.5.2 Surface quality
1.1.5.3 Dimensions
1.1.5.4 Material
1.1.5.5 Production methods and infrastructures
1.1.5.6 Geometry-manufacturing features
1.1.5.7 Space required
1.1.5.8 Production kinematics and forces
1.1.5.9 power requirements |
| | 1.2.1 Interchangeability |
1.2.1.1 Speed/rapidity |
| | | 1.2.1.2 Accuracy
1.2.1.3 Versatility/multirole
1.2.1.4 Vertebrate structure/modular |
| | 1.2.2 Serviceability/ Maintainability |
1.2.2.1 Surface protection |
| | | 1.2.2.2 Ease of inspection
1.2.2.3 Ease of repair
1.2.2.4 Average repair time |
| | 1.2.3 Recyclability/ Remanufacturability |
1.2.3.1 Disassembly difficulty |
| | | 1.2.3.2 Wear and wear tolerances of moving parts
1.2.3.3 Impermeable/sealing surfaces
1.2.3.4 Final material recyclability
1.2.3.5 Cleaning requirements
1.2.3.6 Part repair/refurbishment cost |
| | 1.2.4 Assemblability | 1.2.4.1 Ease of assembly |
| | | 1.2.4.2 Assembly axes and directions
1.2.4.3 Assembly time
1.2.4.4 Depth of assembly tree |
| 1.3 Function | 1.3.1 Durability |
1.3.1.1 Abuse |
| | | 1.3.1.2 Misuse
1.3.1.3 Bandalism
1.3.1.4 Corrosion
1.3.1.5 Moisture resistance
1.3.1.6 Mechanical strength
1.3.1.7 Resistance to chemicals |
| | 1.3.2 Safety |
1.3.2.1 Electrical |
| | | 1.3.2.2 Mechanical
1.3.2.3 Chemical
1.3.2.4 Stability
1.3.2.5 Safety during accident/failure
1.3.2.6 Sharp edges/bosses |
| | 1.3.3 Reliability |
1.3.3.1 Mean time to first failure (MTTFF) |
| | | 1.3.3.2 Mean time between failures (MTBF)
1.3.3.3 Failure rate per unit time (FR/UT)
1.3.3.4 Average function time between failures |
| | 1.3.4 Performance |
1.3.4.1 Size |
| | | 1.3.4.2 Force
1.3.4.3 Motion/movements
1.3.4.4 Direction
1.3.4.5 Max speed
1.3.4.6 Pressure
1.3.4.7 Temperature
1.3.4.8 Sound/noise
1.3.4.9 Flow |
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