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Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.
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surface material abrasive workpiece two flatness plate light used lap surfaces one roughness glass flat machine also would usually grinding
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Lapping | is a | machining process in which two surfaces are rubbed together with an abrasive between them | 0.90 | text |
| Lapping | is a | need to ensure that neither piece flexes or is deformed during the process | 0.90 | text |
| iron or glass itself | instance of | involves rubbing a brittle material such as glass against a surface | 0.80 | text |
| pitch or a ceramic for the lap | instance of | This produces microscopic conchoidal fractures as the abrasive rolls about between the two surfaces and removes material from both.The other form of lapping involves a softer ma… | 0.80 | text |
| which is | instance of | This produces microscopic conchoidal fractures as the abrasive rolls about between the two surfaces and removes material from both.The other form of lapping involves a softer ma… | 0.80 | text |
| with a polishing cloth on an automobile | instance of | this will produce a polished surface | 0.80 | text |
| or a polishing cloth or polishing pitch upon glass or steel.Taken to the ultimate limit | instance of | this will produce a polished surface | 0.80 | text |
| with the aid of accurate interferometry | instance of | this will produce a polished surface | 0.80 | text |
| specialized polishing machines or skilled hand polishing | instance of | this will produce a polished surface | 0.80 | text |
| lensmakers can produce surfaces that are flat to better than 30 nanometers | instance of | this will produce a polished surface | 0.80 | text |
| the valves | instance of | not necessarily flat | 0.80 | text |
| their seats in an internal combustion engine | instance of | not necessarily flat | 0.80 | text |
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