Definition: |
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Number of positioning locations refers to the number of locations in which a component or sub-assembly has to be positioned in order to reach its final position. |
Explanation:
As a general rule, the difficulty of positioning increases in proportion to the number of positioning locations required. With dimensionally stable components, the final position is normally defined by two positioning locations. However, with dimensionally unstable parts (such as textiles), two or more positioning locations may occur.
Example: |
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 one positioning point (left); two positioning points (center); multiple positioning points (right) |
Rule M-F1:
Definition: |
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For components that have to be positioned at or into more than 3 positioning locations, the value >3 has to be analyzed with the appropriate frequency. Any required adjusting and corrective motions are included in the value. |
Example: |
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Assemble a rubber seal with snap-in pins (7 positioning points)  Evaluation:  Input of positioning locations  Display in the Assembly steps tab |
Example: |
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Assemble a head airbag along the roof frame (9 positioning locations)  Evaluation:  Input of positioning locations  Display in the Assembly steps tab |
Rule M-F2:
Definition: |
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Great positioning depth (> 25 mm) must be analyzed with an additional P1 (process) if the component must be inserted, by hand. |
Please note: |
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If more than one positioning location is available, it is possible to provide the assembly difficulties with a quantity: |
Example: |
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A component has six positioning locations. Three of these are designed in such a way that there is an obstructed view during installation. Evaluation:  Input of positioning locations and conditions  Display in the Assembly steps tab |