| 摘要 |
A grinding machine for grinding and polishing metallographic specimens. A multiple-grinder, indexable, vertical grinder assembly is supported on a rigid frame enclosed within a housing. A rotating, vertically positionable specimen holder assembly is also supported on the frame within the said housing, for holding specimens in grinding position. A coolant and grinding fluid system supported on the frame supplies coolant and grinding fluid to specimens supported in said specimen holder during the grinding thereof. The specimen holder is vertically positionable relative to the grinder assembly, so that specimens held by the holder can be ground and polished by a selected successive plurality of grinders.
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