Building Block Moulds
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
Building Block Moulds for Professional Production
In commercial block manufacturing, durable moulds are critical to cycle consistency, scrap rates, and finishing labor. Our building block moulds are engineered with stable geometry, abrasion-resistant materials, and serviceable features-built specifically for heavy-duty concrete and cement block production.

Focusing on Durable Materials and Process
- High-strength alloy steel, vacuum-quenched to reach HRC 58–62, with a hardened layer of approximately 1.3–1.5 mm for robust wear resistance.
- Surface finish achieved by CNC milling and optional EDM polishing, delivering a cavity surface roughness below Ra 0.8 µm-this allows clean block release even under abrasive mixes.
Tight Tolerances for Consistent Results
- Critical dimensions held to ±0.15 mm. Cavity-to-core clearance maintained between 0.25–0.35 mm, ensuring snug block shape without excessive friction.
- Flatness across the mould maintained within 0.30 mm over 600 mm span, reducing warping and ensuring uniform block thickness.
Serviceable Design That Reduces Downtime
- Wear-prone sections use modular inserts, enabling quick swap-outs without full mould removal-maintenance can be completed in under 20 minutes.
- Standardized fasteners and accessible grease ports facilitate faster field service and predictable downtimes.
Seamless Integration with Block Machinery
- Mould designs are matched to existing machinery families (e.g. Hess, Tiger, QGM), respecting bolt patterns, guide post spacing, and pallet interface dimensions.
- ISO 2768-m general tolerance compliance ensures flexible integration across different systems.
Comprehensive Quality Packaged with Every Set
- Raw material certificates and PMI documents
- Post-heat-treatment hardness mapping
- CMM-generated dimensional report for key features
- Mating face blue-check and fit-trial checklist included
Throughput-Centric Design Features
- Optimized for cycle times between 7–12 seconds depending on concrete mix and system settings.
- Draft angles and air venting tailored to mitigate suction, fill variance, and reduce post-cure edge chipping.
Custom Options to Match Your Needs
Block styles include split-face, chamfered edges, and varied cavity counts.
Surface textures can be smooth, stone-charted, or patterned per project requirements.

Logistics That Safeguard Your Tooling
- Mould sets are coated with vapor-phase rust inhibitor and packed with desiccant.
- Secured in reinforced 9-ply export crates fitted with tilt indicators, ready for ocean or air freight.
Support Beyond Delivery
- 12-month warranty on machining and dimensions.
- Maintenance plans, liner packages, and rehardening services extend mould life.
- Technical onboarding and remote support during initial installation runs.
Why Procurement Teams Choose Our Building Block Moulds
Replacing moulds frequently creates delays and hidden costs. Our CNC-engineered, modular moulds with traceable QC and integration flexibility reduce unplanned downtime, streamline maintenance, and ensure production stays on schedule-giving procurement managers confidence in mold lifecycle planning and total cost control.
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