⊙Heat treatment technology of M2 steel rolling wheel

2018-10-13

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,

⊙Thread rolling machine operating procedure

2018-10-13

The operator must inspect and clean the machine, do the daily maintenance work, and achieve the neat, clean, lubrication and safety.
< 1 >