Mould for Concrete Blocks
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
Concrete Block Moulds-Engineered
In modern block-making lines, mould precision isn't just a specification-it's a productivity lever. Our concrete block moulds use traceable alloy steel and controlled heat treatment to withstand thousands of cycles without warping or surface degradation. This delivers consistent block quality and fewer unplanned tool changes.

Material & Manufacturing Insights
- Hardened Steel Alloys: We use wear-resistant alloys-like manganese-rich grades-that hold up under abrasion and compressive stress, similar to materials rated HRC 58–62 with lifespans exceeding 100,000 cycles.
- Precision Fabrication: CNC wire cutting sets cavity geometry with consistent clearance (typically 0.8–1 mm) and tight tolerance. That translates to accurate blocks with minimal cleanup.
- Modular Inserts: High-wear cores and surfaces-like face liners-are interchangeable via bolted or threaded modules, reducing downtime from hours to minutes.
Dimensional Stability That Matters
- Maintained clearances support snug block formation.
- Dimensional drift is minimized by stress-relief after heat treatment.
- These factors stabilize cycle-to-cycle output and reduce scrap - crucial for procurement and production continuity.
Easy Integration with Existing Lines
Our moulds share bolt patterns, guiding pin placements, and pallet geometry common to systems like Hess, Masa, Tiger and QGM/Zenith. That allows direct replacement without retooling or machine downtime.
Turnkey Quality Assurance
Every mould set ships with:
- Raw material certificates (e.g., PMI)
- Hardness maps following heat treatment
- Dimensional inspection reports (CMM or equivalent)
- Fit checks (blue-prints or contact checks)
This documentation ensures risk-free commissioning and supports supplier traceability.
Production Throughput & Flow Optimizations
- Draft angles and venting are calibrated for moisture-rich, high-fines mixes, reducing demoulding stress and edge spalling.
- Cycle times in the 7–12 second range are achievable on standard hydraulic presses, depending on concrete mix.
Custom Options for Specialized Projects
- Block formats: split-face, chamfered, standard thicknesses, or pilot-custom geometries
- Textures: smooth, stone-like, architectural finishes or bespoke relief patterns


Packaging & Shipping
Moulds are VCI-coated, desiccant-sealed, and secured inside reinforced export crates with tip indicators. We support EXW, FOB, CIF terms and ensure all weights/dimensions are logged for logistics planning.
After-Sales Service - Keeping Production Rolling
- 12-month defect warranty
- Spare insert kits (liners, cores) for common wear patterns
- Re-hardening or refacing services to extend tool life
- Remote support during first-block runs or tool changeovers
Why Procurement Teams Trust Our Moulds
- Consistent dimensions reduce downtime from trimming or rejects.
- Modular design cuts maintenance from hours to minutes.
- Documentation and compatible interfaces lower integration risk.
- Long wear life reduces tooling cost over time.
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