Blasting
Blasting
Blasting is a method applying grit to a surface, using pressurized air to jet certain blast media. This creates a gritty and sandy finish, widely seen on tech products like smartphones, notebooks and instruments.
Some refer to this method as Sand-blasting. Meanwhile, Glass bead blasting, or Bead-blasting, is done using small glass beads for the purpose.
Blasting Systems
A blasting system requires air compressor, a container for the beads or blast media, and a nozzle to aim. The air compressor push air into hose at certain pressure level. Because of the smaller size, beads typically require greater pressure.
The nozzle directs the jet-like stream that can be effectively aimed at specific locations or surfaces. Blasting must be done in a tightly contained area to avoid injury and damage to environment.
A typical blasting machine contain an air-tight enclosed space and industrial gloves to protect the operator while blasting material. for reference en.wikipedia.org/wiki/Blasting
Our engineering team just name a list of types of blasting below:
- Open-pit or Surface Blasting: Used in open-pit mining, construction sites, and quarries to remove large volumes of overburden or to break up ore deposits.
- Underground Blasting: Used in underground mines and tunnels to advance the excavation by breaking rock formations.
- Controlled Blasting: Aimed at minimizing the impact on surrounding areas by using precise techniques to reduce noise, vibration, and the size of the debris.
- Demolition Blasting: Used to bring down structures like buildings, bridges, or other infrastructure in a controlled manner.
Purposes of Blasting
- Surface Cleaning: Remove rust, old paint, scale, or dirt.
- Surface Preparation: Before painting, coating, welding, or bonding.
- Texturing: Create roughness for better coating adhesion.
- Deburring and Finishing: Smooth out edges or surfaces.
- Peening: Strengthen metal surfaces by inducing compressive stress.
Benefits of Blasting
- Efficient and fast surface treatment
- Versatile for many materials (metal, concrete, plastic)
- Improves surface adhesion for coatings
- Environmentally friendly options available (e.g., recycled media)
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