Interlocking brick machine mould

Our advanced interlocking brick machine mould lineup delivers unmatched versatility for modern construction projects. These high-precision tools are essential for producing interlocking bricks that reduce mortar usage and speed up building assembly. The catalog covers specialized solutions, including our Old-fashioned unburned brick machine mold, which faithfully replicates rustic textures without firing. For eco-conscious drainage applications, we offer the Permeable brick machine mold and its larger counterpart, the Permeable block machine mold, both engineered to create open-graded surfaces that channel rainwater back into the ground. For high-output automated plants, the Permeable block machinery mold integrates directly with mechanical pressing systems to maintain tight tolerances at rapid cycle times. Every mould undergoes rigorous CNC machining and heat treatment, resulting in a sidewall hardness that resists abrasive mixes and minimizes downtime during continuous production runs.


The Interlocking Brick Machine Mould is built around a modular core structure that lets operators swap wear components without removing the entire assembly from the press. Below are the key design attributes that contribute to its exceptional field performance:

  • Precision-ground forming cavities with a surface finish of Ra 0.8 µm for clean demolding
  • Core and side plates fabricated from Cr12MoV cold-work die steel, through-hardened to 58-62 HRC
  • Optional TiN or hard-chrome plating extends service intervals when using highly abrasive fly-ash mixes
  • Bolt-in replaceable wear liners on high-impact zones reduce long-term refurbishment costs
  • Adjustable stripper shoes and synchronized vibration slots calibrated for common vibrating block machines
  • Laser-etched reference markings for quick alignment during mould changeovers

To help you select the correct configuration, the following table presents the standard working parameters across our most frequently specified interlocking brick machine mould models. All data reflects factory testing under a 25 MPa compaction pressure with a semi-dry concrete mix.

ParameterValue / Range
Mould typeInterlocking brick machine mould, single- or multi-cavity
Compatible press modelsQT4-15, QT6-15, QT8-15, QFT10-15, and equivalent hydraulic/mechanical systems
Standard brick dimensions (L×W×H)220×110×70 mm, 200×100×60 mm, 250×125×80 mm (custom sizes available)
Number of cavities per drop4 / 6 / 8 / 12 (based on brick width and machine pallet size)
Mould materialCr12MoV alloy steel (core), 40Cr steel (frame), Q345B structural steel (base plate)
Hardness after heat treatmentHRC 58-62 on forming surfaces, HRC 32-38 on frame assembly
Surface coating optionsHard chrome plating (20-30 µm), nitriding (0.2-0.4 mm depth), or TD treatment
Production cycle time12-18 seconds per cycle (depending on mix workability and vibration frequency)
Total weight per mould set320-860 kg (varies by cavity count and brick size)
Dimensional tolerance±0.3 mm on brick length/width, ±0.5 mm on height
Lubrication requirementAutomatic oil mist or manual grease points on guide pillars

Regular maintenance of the Interlocking Brick Machine Mould consists of inspecting wear plates every 50,000 cycles and verifying that the clearance between the stripper head and cavity walls remains within 0.15 mm. Spare parts kits, which include pre-ground side liners, compaction rams, and alignment dowels, are stocked for immediate dispatch to keep your mould operating at peak efficiency.

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