Differences

This shows you the differences between two versions of the page.

--- surface_plate [2025/10/20 05:45] – created chris_santacroce
+++ surface_plate [2025/10/24 19:05] (current) – samantha_sullivan
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-**Standridge Surface Plate**
+======Standridge Surface Plate======
+This is a Yellow Level Tool and is unlocked by Metal Shop Orientation
-This big slab of stone is the shop's main reference for flatness.
+This big slab of stone is the shop's main reference for flatness. It measures 36"L x 36"W x 6"T, and is a grade B plate. This means the maximum deviation between the highest and lowest points is 0.0002".
+Despite being a rock, this is a precision measuring instrument, and requires care in use.
+  * Any workpieces placed on the plate must be clean and deburred.
+  * Do not place any abrasives on the surface.
+    * The plate is not to be used to flatten or sharpen anything.
+  * Ensure the plate is clean and dry before use, using a soft cloth and Isopropyl Alcohol.
+  * Wipe the plate with a bare hand to confirm there's no dirt, dust, or other debris.
+  * Cover the plate when not in use.