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A surface plate is a solid, flat plate used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. The surface plate is often used as the baseline for all measurements to a workpiece; therefore, one primary surface is finished extremely flat. For example, a grade 0 surface plate may only have a 3.5 μm…
History, Measurement & Standards
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surface plate plates granite used cast iron flatness material grade flat precision may accuracy use often glass also damage metal
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Surface plate | is a | solid | 0.90 | text |
| a coordinate-measuring machine | instance of | Surface plates are a common tool in the manufacturing industry and are often fitted with mounting points so that it can be an integrated structural element of a machine | 0.80 | text |
| precision optical assembly | instance of | Surface plates are a common tool in the manufacturing industry and are often fitted with mounting points so that it can be an integrated structural element of a machine | 0.80 | text |
| or other high precision scientific | instance of | Surface plates are a common tool in the manufacturing industry and are often fitted with mounting points so that it can be an integrated structural element of a machine | 0.80 | text |
| traceability | instance of | ASME also recognised the need for updates to incorporate modern concepts | 0.80 | text |
| measurement uncertainty that have undergone considerable development since 1973 | instance of | ASME also recognised the need for updates to incorporate modern concepts | 0.80 | text |
| a square | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
| straight edge | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
| gauge blocks | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
| sine bar | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
| sine plate | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
| dial indicator | instance of | AccessoriesThe surface plate is used in conjunction with accessories | 0.80 | text |
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