Table 8 Failure information of drilling device
From: Weakness Ranking Method for Subsystems of Heavy-Duty Machine Tools Based on FMECA Information
Item | No. 1 | No. 2 |
|---|---|---|
Failure phenomenon | Scorpion cannot move | Squat motor was not functioning |
Failure type | Technology type | Loosening type |
Failure mode | Positioning accuracy exceeds the standard | Poor contact |
Failure reason | Squat center is not on the established axis | Poor line contact |
Causality classification | Poor assembly | Loose |
Failure treatment | Adjust the center of the sley to the specified axis | Rewiring |