Before applying any coating, overlay, or waterproofing system to a concrete surface, proper preparation is essential. A floor shot blaster offers the most efficient method for cleaning, profiling, and texturing concrete surfaces in a single pass.
The YG concrete shot blasting machine uses centrifugal force to propel steel shot at high speed onto the surface, removing laitance, old coatings, oil stains, and contaminants. An integrated dust collector captures dust and debris immediately, keeping the work environment clean. For Thailand’s hot and humid climate, this equipment provides a reliable solution that maintains consistent performance under demanding conditions.
YG Floor Shot Blaster Technical Specifications:
| Model | YG-270(Single) | YG550/600(Double) | YG-850(Double) | |
| Shot Blasting Wheel Diameter | 200mm | |||
| Working width | 270 mm | 550/600 mm | 800 mm | |
| Walking speed | 0.5~20 m/min | 0.5~33 m/min | ||
| Concrete surface cleaning efficiency | ≥180 m2/h | ≥400 m2/h | ≥600 m2/h | |
| Steel plate surface cleaning efficiency | 15-25 m2/h | 75-100 m2/h | 100-160 m2/h | |
| Dust connection pipe diameter | 120 mm | 150 mm | ||
| Suggested diameter of steel balls | 1.2-1.5 mm | 1.5-1.8 mm | ||
| Steel ball consumption | 10 g/m2 | |||
| Supporting dust collector | Seven-core automatic backflush vacuum cleaner | Eight-core automatic backflush vacuum cleaner | ||
| Shot wheel motor | Power consumption | 11 kW | 11*2 kW | 15*2 kW |
| Input Current | ≤ 15 A | ≤ 22*2 A | ≤ 28*2 A | |
| Walking motor | Power consumption | 0.5 kW | 1.5 kW | |
| Input Current | 1 A | 3 A | ||
| Size (mm) | 1000*300*1100 | 1950*720/775*1400 | 1950*1020*1550 | |
| Weight | 150 kg | 570 kg | 700kg | |
| Power connection requirements | Supporting the dust collector | |||
Case Study: Bangkok Road Surface Preparation Project
Client background:
A road construction contractor based in Bangkok, Thailand, specializing in urban road resurfacing and bridge deck waterproofing projects. The contractor regularly handles medium-scale municipal and infrastructure jobs across the Bangkok metropolitan area.
Customer need:
The contractor needed to prepare a concrete road surface before applying a new coating layer. The site was in a busy urban area with strict dust control requirements and limited working hours due to traffic restrictions. The contractor required equipment that could complete the work quickly, provide uniform surface roughness for coating adhesion, and remove old coating and surface laitance effectively. Manual grinding and milling machines were tested but rejected due to low efficiency, uneven results, and high labor costs.
YG matching solution:
YG Machinery recommended the YG550 floor shot blaster. This floor blasting machine delivers uniform surface preparation results with strong cleaning ability on concrete roads. The integrated dust collector captures 99% of particles, addressing the dust control concerns. YG also clearly explained the machine‘s limitations—not suitable for narrow corners, requires proper shot recycling setup, and needs a stable power supply—helping the customer make an informed decision.
Specific customer feedback:
The contractor confirmed that the YG550 performed reliably from day one. The machine’s processing speed allowed the team to complete surface preparation within the tight traffic control window. The equipment performed stably under Thailand‘s high temperature and humidity conditions. The integrated dust collector kept the work environment clean, meeting the project’s environmental requirements. The customer expressed clear satisfaction with the machine‘s working results and stability, noting that the equipment has already been put into regular use on subsequent projects.
Why Thailand Contractors Choose YG Floor Shot Blaster?
YG Machinery has supplied concrete shot blasting machines to customers across multiple markets, including Thailand. The company’s equipment offers several advantages that resonate with Thailand contractors.
- High efficiency reduces project duration: A floor shot blaster completes surface preparation much faster than manual methods. This speed matters when working under tight traffic control windows.
- Dust-free operation meets environmental requirements: The integrated dust collector captures particles at the source, keeping the work environment clean. This feature proves essential for urban projects where dust control is mandatory.
- Uniform surface roughness ensures coating adhesion: The floor shot blasting machine delivers a consistent surface profile across the entire work area. This uniformity ensures strong bonding for subsequent coatings.
- Competitive pricing compared to imported alternatives: YG offers factory-direct pricing without the premium associated with European or Japanese brands.
- Factory-direct support: YG provides reliable after-sales support, including technical assistance and spare parts availability.
Operating Conditions and Efficiency of Floor Shot Blaster
The YG concrete shot blasting machine operates under specific conditions for optimal performance:
- Surface flatness: < 10 mm unevenness
- Surface condition: No standing water; relatively dry
- Slope: <25°
- Ambient temperature: -20°C to 60°C
- Steel surface temperature: At least 3°C above dew point
- Humidity for steel: ≤90%
- Humidity for concrete: ≤95%
- Altitude: 0 to 3000m
- Weather: No rain or snow
Concrete surface efficiency: The machine achieves 300-600 m²/h on concrete surfaces, depending on the model and surface condition.
Steel surface efficiency: For steel plate surface cleaning, efficiency ranges from 15-25 m²/h on the YG-270, 75-100 m²/h on the YG550, and 100-160 m²/h on the YG-850.
Steel surface grade: On steel surfaces, the floor shot blasting machine achieves SA 2.5 to SA 3 cleanliness grades. At SA 2.5, the machine operates at approximately 4 m/min. At SA 3, the speed drops to about 3 m/min.
Maintenance Tips for Long Service Life
The YG floor shot blaster features a durable alloy turbine and wear-resistant components designed for long-term stable operation. Regular maintenance keeps the machine performing at its best.
Daily cleaning: Remove dust and debris from the machine after each use. Clean the dust collector filter regularly to maintain suction efficiency.
Shot inspection: Check steel shot regularly and replace worn or deformed shot. Proper shot quality ensures consistent cleaning results.
Wear part replacement: The floor shot blaster uses replaceable wear parts including the shot wheel, control cage, and impeller. Replace these components when they show signs of wear.
Dust collector maintenance: Empty the dust collection bin regularly. Check the backflush system to ensure it functions properly.
Belt and motor checks: Inspect drive belts for tension and wear. Check motor connections and ensure proper power supply.
