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Thread rolling machine operating procedure
The operator must inspect and clean the machine, do the daily maintenance work, and achieve the neat, clean, lubrication and safety.
Heat treatment technology of M2 steel rolling wheel
Made of M2 steel grinding wheel rolling with 1200 ~ 1210 DEG C quenching and 600 DEG C neutral salt classification into 260 to 280 DEG C nitrate isothermal 2.5h,
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