Nine Key Points You Must Know When Purchasing a Tempering Furnace

Nine Key Points You Must Know When Purchasing a Tempering Furnace

The tempered glass furnace is a core production equipment for tempered glass deep-processing enterprises, and its selection directly determines tempered glass product quality, market positioning, and long-term profitability. With 20 years of industry expertise, Ruixinglass provides a comprehensive analysis of the nine critical factors to consider when purchasing a tempered glass furnace, helping you make the optimal investment decision:

1. Precise Market Positioning

The applications of tempered glass are mainly divided into two sectors:

• Engineering Market (B2B): Includes architectural windows and tempered glass curtain walls, featuring highly standardized product specifications, with particularly stringent requirements for optical performance and flatness in tempered glass curtain walls.
• Home Decoration Market (B2C): Covers high-end system doors/windows and standard home decoration windows using tempered glass, where premium products demand rigorous tempering quality and appearance standards.

2. Four Key Dimensions for Scientific Selection

• Capacity Matching: For example, the standard A2850 model can process 15-18 loads/hour of 5mm Low-E tempered glass, with an annual output of approximately 1.5 million square meters of tempered glass.
• Workspace Planning: Different tempered glass furnace types (flat tempering, curved tempering, continuous furnaces, etc.) vary significantly in footprint, requiring sufficient operational buffer space.

3. Technical Choice of Heating Methods

• Traditional Radiation Furnaces: Suitable only for processing standard clear tempered glass, with low efficiency for Low-E tempered glass.
• Forced Convection Furnaces: Perfectly address the heating challenges of coated tempered glass (when usage exceeds 30%) and are recommended as the preferred configuration.

4. Performance Evaluation of Convection Technology

High-quality tempered glass convection systems must feature:

• High thermal conversion efficiency for tempered glass production
• Uniform heating distribution across tempered glass surfaces
• Precise temperature control for consistent tempered glass quality

5. Advantages of Full Convection Systems

• Semi-Convection Configuration: Suitable for enterprises with limited Low-E tempered glass processing needs.
• Full Convection System: Ensures synchronized and uniform heating of both tempered glass surfaces, ideal for large panels and thin tempered glass under 4mm.

6. Key Quality Metrics for Tempered Glass

• Wind Spot Control: Premium tempered glass equipment minimizes rainbow spots.
• Flatness Guarantee: High-end tempered glass furnaces can achieve bow distortion ≤1‰ for 6mm clear tempered glass, far exceeding national standards.

7. Energy-Saving Implementation for Tempered Glass Production

• Specialized insulation for tempered glass furnaces
• Optimized thermal systems for tempered glass processing
• Annual electricity savings up to 15-20% in tempered glass production

8. Comprehensive ROI Assessment for Tempered Glass Equipment

• Tempered glass equipment stability impacts delivery cycles
• Hidden costs of inferior tempered glass furnaces may exceed $1M/year
• Market-proven tempered glass furnace brands recommended

9. Criteria for Selecting Tempered Glass Furnace Suppliers

• Specialized R&D for tempered glass technology
• Innovation in tempered glass production methods
• After-sales support for tempered glass production lines
• Custom tempered glass solutions

Conclusion: As a major capital investment in tempered glass production, tempering furnaces require comprehensive consideration of technical parameters and market strategies. Ruixinglass delivers expert guidance and optimal tempered glass furnace configurations to enhance your competitive edge in the tempered glass market.