Concrete Hollow Block 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
Products Description
In modern hollow block manufacturing, the mould isn't just a tool-it's the linchpin of uptime and consistency. Our concrete hollow block moulds are built using traceable high-strength steel, wire-cut precision machining, and advanced heat-treating. This ensures the mould retains its shape and internal finish through 80,000–120,000 cycles, minimizing downtime and ensuring uniform block output.

Material & Heat Treatment Specs for Durability
- Wear-resistant alloys: Typically 16# manganese steel or NM500, processed via carburizing, nitriding and quenching to reach HRC 58–62.
- Hardness depth: Inserts maintain 1–2 mm of hardened surface, balancing wear resistance with structural toughness.
Precision and Replaceability Built for Performance
- Wire-cut CNC cavities achieve precise clearance of 0.8–1 mm between shoe and core, ensuring blocks release cleanly without jamming.
- Modular inserts and bolted wear plates allow individual core or liner replacement-no need to remove entire mould assembly. Maintenance time drops from hours to minutes.
Seamless Integration with Your Production Line
We design mould assemblies to match bolt patterns, alignment slots, and pallets of major block machine brands like Hess, Tiger, Masa, and QGM. This allows for direct in-line replacement without retrofitting-saving engineering costs and downtime.
QC Documentation Included with Every Set
Each mould kit comes with:
- Material certificates (PMI or equivalent)
- Post-hardening hardness maps
- Dimensional reports ensuring machined geometry
- Fit validation documentation for rapid, mistake-free installation
These deliverables support quality control, traceability, and maintenance planning.
Optimized for Production Throughput and Mix Variations
Draft angles, venting, and insert contours are validated to support cycle times in the 8–12 second range, depending on concrete mix viscosity and aggregates. This ensures the blocks form completely and release predictably, even with dense or high-moisture mixes.
Custom Options for Project Flexibility
We adapt mould designs to your block specifications:
- Standard or custom block formats
- Smooth, split-face, and textured finishes
- Variable cavity counts and insert configurations
Whatever your structural or architectural needs, we deliver solutions matching your design specs.

Protective Packaging & Logistics
Mould sets are treated with VCI, sealed with desiccants, and shipped in reinforced wooden crates featuring tilt indicators. We support EXW, FOB, and CIF terms, providing all weight and dimension data to simplify your logistics planning.
After-Sales Coverage-Keeping Your Line Running
Our service commitment includes:
- 12-month warranty on workmanship and dimensions
- Modular wear part kits and liner inserts
- Re-hardening or face restoration services if needed
- Remote technical support during initial install or first-run production
This helps you keep the line running smoothly, with fewer unplanned stops.
Why Procurement Teams Prefer Our Concrete Hollow Block Moulds
- Tangible cycle life: 80,000–120,000 runs per set reduce replacement frequency and cost.
- Fast maintenance: Modular inserts built for quick swap-outs.
- Zero retrofit: Drop-in compatibility with leading block machine brands.
- Clear QC package simplifies acceptance and integration.
- Design flexibility for project-specific block geometries.

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