CNCCMV2/Structure/Techniques: Difference between revisions
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*Datum points and edges are points and edges of the workpiece that you measure from. | *Datum points and edges are points and edges of the workpiece that you measure from. | ||
*In most cases, 2 datum edges will be used | *In most cases, 2 datum edges will be used. How to measure using 2 datum edges is shown in the diagram below. | ||
[[Image: 2datumedges.gif]] | [[Image: 2datumedges.gif]] | ||
Revision as of 22:46, 24 April 2012
Point Marking with Datum Points and Edges
- Datum points and edges are points and edges of the workpiece that you measure from.
- In most cases, 2 datum edges will be used. How to measure using 2 datum edges is shown in the diagram below.
Match Drilling
- Set 2 components one on top of the other, mount securely, then drill through both pieces at the same time for exact matching accuracy.
- Match drilling works effectively with templates
- Match drilling works effectively for pieces before they are cut apart