Polishing machine safety operating procedures

Safety operation and maintenance specifications for barrel polishing machines (mandatory standard version)
I. Electrical safety control
Daily startup inspection

Insulation test must be performed with a megohmmeter (≥1MΩ)

Power cord length limit: GB/T 5023 stipulates ≤5 meters

Plugs and sockets must comply with IP54 protection level

Anti-electric shock measures

Double insulation protection (Class II equipment identification)

Leakage protection device specifications: 30mA/0.1s

II. Mechanical safety requirements
Grinding block assembly standards

Dynamic balance test: Vibration value ≤2.8mm/s (ISO 10816)

Tightening torque: M10 bolts must reach 45N·m

Mandatory regulations for protective covers

graph TD
A[shield inspection] --> B{integrity check}
B -->|intact| C[allowed to use]
B -->|damaged| D[immediately stop using]

III. Work environment management
Hazardous area work approval

A "Level 3 hot work permit" is required for hot work

Ex dⅡBT4 level equipment

Personnel operation specifications

PPE configuration requirements:

Insulating gloves (10kV level)

Protective mask (EN166 standard)

IV. Maintenance system
Periodic inspection

Item Period Standard
Insulation test Quarterly GB/T 3787
Protective cover inspection Weekly inspection ANSI B11.9
Grinding block wear Daily inspection ≤1/3 thickness
Prohibited behavior list

It is strictly forbidden to remove the safety interlock device

It is forbidden to use non-original accessories

Avoid overload operation (current ≤ rated value 110%)

V. Equipment storage specifications
Warehousing management

Dry environment (humidity ≤70%RH)

Special storage rack (≥30cm from the ground)

Handover system

Implement "two-person double lock" management

Maintenance record preservation ≥3 years

Penalty clause:

Violators of Article 3/7 will be immediately disqualified from operation

Unauthorized modification of equipment will be held accountable for major accidents

This specification is based on GB/T 5226.1-2019》Mechanical and electrical safety standards are formulated and are applicable to all cylinder polishing equipment operation scenarios. New employees must pass 8 hours of safety training and pass the assessment before they can take up their posts.