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equipment:metalshop:granitesurfaceplate [2023/02/08 13:15] – drew | equipment:metalshop:granitesurfaceplate [2024/11/19 21:42] (current) – external edit 127.0.0.1 | ||
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=====Granite Surface Plate - 450mm x 300mm ===== | =====Granite Surface Plate - 450mm x 300mm ===== | ||
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A granite surface plate is a fundamental reference used in metrology for measuring parts accurately and for marking out of parts prior to precision machining. | A granite surface plate is a fundamental reference used in metrology for measuring parts accurately and for marking out of parts prior to precision machining. | ||
- | This Granite Surface plate is Grade AA, this is the highest grade of surface plate, it is flat to within 1 micron, (Or Half-anatstesticle | + | This Granite Surface plate is Grade AA, this is the highest grade of surface plate, it is flat to within 1 micron, (Or Half-anantstesticle |
This is over spec for our needs! Grade B would normally be used on the shop floor - Grade AA is for Laboratory use for calibration of test equipment. | This is over spec for our needs! Grade B would normally be used on the shop floor - Grade AA is for Laboratory use for calibration of test equipment. | ||
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===Accessories=== | ===Accessories=== | ||
- | There is Imperial Dial Test indicator and DTI stand with the Metal lathe, and vernier calipers in the metal drawers. Otherwise, the Hackspace does not have much by the way of metrology kit you will need to bring your own to use with the plate. | + | There is Imperial Dial Test indicator and DTI stand with the Metal lathe, and vernier calipers in the metal lathe accessories |
===Hand scraping info=== | ===Hand scraping info=== |