H180N2 Bearing housing shell
1.金加工后进行密封试验,试验压力为3×105/Pa,试验时间为15分钟,要求轴承箱本身不渗漏.
2.用5倍放大镜检查铸件加工表面,不允许有气孔.
3.铸件尺寸偏差应符合GB/T6414-1999中7级精度规定.
4.尺寸710需保证有足够的加工余量,不得有黑疤.
1. The sealing test is carried out after the gold processing, the test pressure is 3×105/Pa, the test time is 15 minutes, and the bearing box itself is required not to leak.
2. Check the machining surface of the casting with a 5x magnifying glass, and no pores are allowed.
3. The size deviation of the casting should comply with the 7 level accuracy provisions of GB/T6414-1999.
4. Size 710 must ensure sufficient processing allowance, without black scars.
