Why Fabrication Shops Are Moving Away From Sandblasting?
For decades, abrasive blasting has been the default solution for surface preparation in fabrication. But it comes with major drawbacks:
Constant purchasing of blasting media
Disposal and cleanup costs
Dust, masking, and containment
Equipment wear and tear
Bottlenecks when parts must be sent out or queued
These costs add up quickly.
Based on conservative estimates shared with us by some customers, blasting media alone was costing from €30.000,€~150,000 per year—not including labor, disposal, load-unloading time, huge electricity consumption, downtime, or rework.
Laser cleaning changes that equation.
Instead of consuming abrasive media, a cleaning pulsed laser removes oxides, coatings, mill scale, corrosion, and contaminants using focused photon energy, this all without any damage. There are no bags of grit, no contaminated waste streams, and no production interruptions waiting on resupply.
LASER CLEANING Versus SHOT BLASTING - LASER CLEANING Versus SAND BLASTING
Blasting, sand-blasting, shot peeing, shot blasting
In particle/SHOT blasting, a blasting medium is accelerated and “shot” at the surface. The mechanical impact mechanically removes the surface layers and dirt. Depending on the blasting material (from baking powder to steel shot), more or less abrasive removal and damage to the base material is possible.
The process can be installed quite easily and with a moderate investment volume and is very flexible. In addition to the disadvantage of surface roughening (which can also be an advantage depending on the application), particle blasting also has some basic disadvantages:
- High energy consumption costs (especially with compressed air blasting)
- No partial application possible, blasting medium can penetrate into critical component areas
- Depending on the technology, mixing of the blasting medium with the ablated layer leads to high waste quantities.
- High wear on blasting nozzles and blasting devices
- High noise and dust exposure requires sound insulation cabins