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|Material:||Granite||Name:||Granite Straight Gauge Block|
granite master square,
granite v block
Material is choose black granite ,two narrow edge is lapping with accuracy
Square gauge include feet ,angle plate and so on (Special tool to 90 degrees). Used to test the verticality of workpiece and equipment installing. Installation and scribing orientation of mechanical industry is an important measurement tools. It is characteristic of high accuracy, good stability, convenient in maintenance.
Material ,sing "Jinan green" stone by hand-grinding machining made.
Merit ,lossy black ,structure of precision ,homogeneous structure ,high strength ,hardness ,good stablility, no rust, acid-proof alkali, good wearproof ,magnetization-resisting and high durability .In general heavy load and high temperatures can maintain high precision.
For in specting the straightness and flatness
|Pecification (mm)||Beeline tolerance of working surface (um)||Squareness between working surface||Tolerance of h.w.between a matched pair|
|Precision grade (um)|
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