Retaining Wall Blocks 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
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Product Details ofRetaining Wall Blocks Moulds
What Is a Retaining Wall Blocks Mould?
A retaining wall blocks mould is a steel tool that mounts onto a block making machine. The mould cavity is shaped to produce blocks with specific features-rear lips, pins, or interlocking edges-that allow them to stack securely and resist lateral soil pressure.
The mould consists of multiple components: upper mould, lower mould, press head, and cavity inserts. Unlike standard block moulds, retaining wall block moulds involve more complex design requirements because the finished blocks must withstand significant lateral loads while maintaining aesthetic appeal.
UNIK retaining wall block moulds are CNC machined from low-carbon alloy steel with carburizing capabilities, achieving a hardness of HRC60-63. Advanced welding and machining techniques ensure precision gaps of 0.8-1mm, delivering robustness and long service life.
Ordering Process
Ordering retaining wall blocks moulds from UNIK follows a straightforward process designed to eliminate guesswork.
Step 1 – Information Gathering – The customer provides machine brand and model, block size and type (interlocking, L-shaped, decorative, etc.), number of cavities per mould, and daily production target.
Step 2 – Drawing Preparation – Within 48 hours, UNIK sends a dimensional drawing for approval. The drawing includes cavity dimensions, interlocking features, corner radii, mounting hole positions, and overall envelope sizes.
Step 3 – Drawing Approval – The customer reviews the drawing and confirms that all dimensions match requirements. If changes are needed, UNIK revises the drawing and resubmits.
Step 4 – Production – After drawing approval, UNIK cuts steel and begins machining. Heat treatment and final inspection follow.
Step 5 – Shipping – The mould is packed in a wooden crate with anti-rust treatment and impact protection. Lead time is 20 to 25 days after drawing approval. Shipping port is FOB Xiamen or Quanzhou.
Types of Retaining Wall Blocks Moulds
UNIK supplies moulds for various retaining wall block configurations used in construction and landscaping.
Interlocking Retaining Wall Block Moulds – Produce blocks with rear lips or pins that lock into the block below. This design creates a gravity wall that resists soil pressure without mortar. Used for terraced gardens, highway embankments, and residential retaining walls.
L-Shaped Retaining Wall Block Moulds – Produce L-shaped blocks that use the weight of the soil on the horizontal leg to resist overturning. Common for taller retaining walls and commercial infrastructure projects .
Segmental Retaining Wall (SRW) Block Moulds – Produce blocks with a tapered shape and a rear lip that engages the course below. These blocks allow for curved walls and are widely used in landscaping and erosion control.
Decorative Retaining Wall Block Moulds – Produce blocks with textured faces that mimic natural stone, brick, or other architectural finishes. Used for garden walls, property boundaries, and public spaces where appearance matters.
Slope Protection Block Moulds – Produce larger, heavier blocks designed for embankment stabilization and canal lining. These blocks often have open cells that can be filled with vegetation.
Custom Retaining Wall Block Moulds – For unique shapes, proprietary designs, or special surface textures. UNIK manufactures custom moulds based on customer drawings or samples.
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Process
The UNIK retaining wall block mould is precision-engineered from low-carbon alloy steel, chosen for its high strength and suitability for carburizing heat treatment. This enables a surface hardness of HRC60-63, providing exceptional wear resistance. Through advanced welding and precision machining, the mould maintains a consistent component gap of 0.8-1mm, ensuring structural integrity and long operational life. The press plates and wear parts are designed for straightforward replacement, significantly improving maintenance efficiency and reducing production interruptions.
Compared to conventional block moulds, retaining wall block moulds demand more complex design considerations, including interlocking geometry, draft angles, and load-bearing features. With over fifteen years of industry experience, UNIK offers comprehensive, client-focused solutions that achieve a practical balance between visual appeal and structural performance.
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