Comparison item |
Chemical cleaning |
Mechanical polishing |
Dry ice cleaning |
Ultrasonic cleaning |
Laser cleaning |
Cleaning method |
Chemical cleaning agent |
Mechanical/sandpaper, contact type |
Dry ice, non-contact |
Cleaning agent, contact type |
Laser, non-contact |
Work piece damage |
Damaged |
Damaged |
No damage |
No damage |
No damage |
Cleaning efficiency |
Low |
Low |
Middle |
Middle |
High |
Cleaning effect |
Generally, uneven |
Generally, uneven |
Excellent, uneven |
Excellent, small clean area |
Very good and clean |
Cleaning accuracy |
Uncontrollable, poor accuracy |
Uncontrollable, average precision |
Uncontrollable, poor accuracy |
Cannot be cleaned within specified range |
Precise and controllable, high precision |
Safety/environmental protection |
Serious chemical pollution |
polluted environment |
No pollution |
No pollution |
No pollution |
Manual operation |
The process is complicated and requires high requirements for operators, and protective measures are needed |
Strong physical strength, need safety protection measures |
Simple operation, handheld or automated |
Simple operation, but need to manually add consumables |
Simple operation, handheld or integrated automation |
Supplies |
Chemical cleaning agent |
Sandpaper, grinding wheel, oil stone, etc. |
Dry ice |
Special cleaning fluid |
Only power supply |
Cost input |
Low initial investment, high cost of consumables |
High initial investment and high labor cost for consumables |
Medium initial investment, high cost of consumables |
Low initial investment, medium cost of consumables |
High initial investment, no consumables, low maintenance cost |