Paver Block Steel Mould
2.Hardness for shoes:HRC59-62
3.Carburized layer thickness:1.3-1.5mm
4.Unilateral clearance between presser foot and mold cavity: 0.2 mm ≤ Unilateral clearance ≤ 0.4mm
5.Flatness of the whole board: ≤ 0.5mm
6.Deviation in length and width dimensions of a single cavity model: -0.3 to+0.3mm
7.The dimensional deviation of the height (filling depth) of the lower model cavity is ± 0.5mm
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Product Details ofPaver Block Steel Mould
Paver Block Steel Mould: A Technical Procurement Guide for Global Manufacturers
Selection Guide
How to Match Metallurgy and Tolerances to Production Output
Selecting the correct paver block steel mould directly determines block dimensional consistency, demoulding efficiency, and total cost of ownership. The following four technical parameters require evaluation based on annual production targets and raw material abrasiveness.
1. Material & Heat Treatment (Cycle Life)
- Standard Application (≤100,000 cycles): Cr12MoV alloy steel with vacuum quenching + nitriding treatment. Surface hardness: HRC 52–58.
- High-Wear Application (≥200,000 cycles): Imported steel (e.g., SKD11) with carburizing heat treatment. Surface hardness: HRC 59–62, core toughness: HRC 35–40 .
- Verification: Ensure the supplier provides carburized layer thickness data (UNIK standard: 1.3–1.5mm) to prevent surface peeling under vibration.
2. Dimensional Precision (Block Quality)
- Cavity Tolerance: Length/width deviation ≤ ±0.3mm; Height (filling depth) deviation ≤ ±0.5mm .
- Flatness: Whole board flatness ≤ 0.5mm ensures consistent block thickness.
- Unilateral Clearance: Between presser foot and mold cavity: 0.2mm – 0.4mm. Tighter clearance prevents concrete paste leakage (flashing).
3. Machine Compatibility
- Interchangeability: Moulds must be fully interchangeable with existing block machines without hydraulic or fastening modifications.
- Supported Brands: UNIK designs tooling compatible with HESS, MASA, ZENITH, BESSER, Columbia, TIGER, Qunfeng, and fully automatic Chinese production lines .
4. Surface Finish (Release Efficiency)
- Roughness Standard: Ra ≤ 0.8μm (achieved through hard chrome plating or PVD coating).
- Functional Benefit: Reduces concrete adhesion, minimizes cleaning downtime, and preserves edge sharpness for interlocking profiles .
Industry Trends
2025-2034 Market Drivers: Sustainability and Automation
The global paver blocks market is projected to grow from USD 4.6 billion (2024) to USD 7.5 billion by 2034, at a CAGR of 5% .
- Permeable Pavers: Driven by ESG goals and stormwater management regulations, demand for honeycomb and grass paver moulds (porous structures) is rising.
- Automation: High-precision moulds with carburization are essential for high-speed, fully automatic production lines, as they maintain tolerance during continuous operation.
- Aesthetic Demand: Architects require unique shapes (I-beam, wave, fan) and chamfered edges, necessitating CNC-machined moulds with complex geometries
Market Analysis
Regional Demand for High-Cycle Tooling
- Southeast Asia (Indonesia, Philippines): Repeat orders focused on interlocking pavers. Buyers prioritize fast lead times (20-25 days) and moulds capable of surviving >85,000 cycles under tropical humidity .
- Middle East & Africa: High demand for heavy-duty moulds using abrasive concrete mixes. Requires HRC 60+ surface hardness to resist silica wear .
- North America & Europe: Demand focuses on high-end SKD11 steel with PVD coating and strict compliance with CE and ISO standards for low-noise block production .
Certifications & Accreditations
Verifiable Quality Standards for Industrial Assets
- ISO 9001:2015 – Quality Management in CNC machining and heat treatment.
- ISO 14001:2015 – Environmental Management.
- CE Certification – Compliance with EU safety standards for machinery components.
- SGS Test Reports – Third-party verification of material composition (Cr12MoV/SKD11) and carburized layer depth.
- Intellectual Property: Multiple patents on mould structure and wear-resistant design.
*UNIK conducts 100% CMM (Coordinate Measuring Machine) full-dimension inspection and 100-hour fatigue simulation before delivery*
Customer Cases
Operational Data from Cement Paver Production Lines
Case 1: Philippine Brick Plant (2025)
- Requirement: Moulds for 6-cavity interlocking pavers.
- Challenge: Previous supplier's moulds failed at 25,000 cycles due to edge wear.
- UNIK Solution: Cr12MoV steel with carburizing heat treatment (HRC 58-62).
- Result: Moulds exceeded 85,000 cycles while maintaining tolerance. Procurement manager noted measurable reduction in maintenance downtime .
Case 2: Singapore Infrastructure (BCA/LTA Standards)
- Requirement: Box culvert and wall panel moulds with anti-rust coating.
- Outcome: Delivered within 25 days with perfect accuracy, meeting strict Building and Construction Authority standards .
Case 3: East Africa (Kenya/Tanzania)
- Application: Production of rectangular and hexagonal pavers for road shoulders.
- Status: First-time orders in 2026 for fully automatic production lines, including technical support and training for mould maintenance
About Fujian Unik Mould Technology Co., Ltd.
Founded in 2010 in Quanzhou (Maritime Silk Road starting point), UNIK is a manufacturer of brick machines and tooling, not a trading company. Specializing in carburizing heat treatment and high-precision CNC machining, UNIK supplies paver block, hollow block, curb, and grass paver moulds to 28 countries. All products are verified by CMM inspection and backed by engineering support for production line integration.
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