Ana Granite
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ʻO Granite Square Ruler me 4 mau ʻaoʻao pololei
Hana ʻia nā Granite Square Rulers i ka pololei kiʻekiʻe e like me ka hahai ʻana i nā kūlana, me ka hoʻohui ʻana i nā māka kiʻekiʻe kiʻekiʻe i mea e hoʻokō ai i nā pono mea hoʻohana ponoʻī, ma ka hale hana a i ʻole ke keʻena metrological.
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Papahana hoʻoheheʻe ʻia ʻo Granite Vibration
ʻO nā papa ZHHIMG nā wahi hana i hoʻopaʻa ʻia i ka vibration, loaʻa me kahi papa pōhaku paʻa a i ʻole kahi papa ʻaina optical. Hoʻopili ʻia nā haʻalulu hoʻohaunaele mai ke kaiapuni mai ka papaʻaina me nā insulators puna wai ea membrane maikaʻi loa aʻo nā mea hoʻokele pneumatic leveling mechanical e mālama i kahi papa papa kiʻekiʻe loa. (± 1/100 mm a i ʻole ± 1/10 mm). Eia kekahi, ua hoʻokomo ʻia kahi ʻāpana mālama no ka hoʻopili ʻana i ka ea.