Hollow Block Making 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
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Product Details ofHollow Block Making Mould
Hollow Block Making Mould: Engineered for Industrial Efficiency
Fujian Unik Mould Technology Co., Ltd., founded in 2010 in Quanzhou, has established itself as a specialized manufacturer of high-quality brick machines and molds. With over a decade of focus on the block-making industry, the company combines local manufacturing strengths with a clear product-centric philosophy to serve global clients.
What Defines a High-Performance Hollow Block Mould
A hollow block making mould is a precision tool that determines the final shape, consistency, and structural integrity of every block produced. Its cavities require exact dimensions, smooth surfaces, and durable materials to withstand repeated concrete pouring and vibration.
UNIK's approach to mould manufacturing prioritizes three core elements: material selection, thermal processing, and machining accuracy. Each mould is crafted from wear-resistant steel grades, such as 42CrMo or tool steel, chosen according to the abrasiveness of the client's concrete mix. Through carburizing heat treatment, the mould surface reaches HRC58–62 hardness while maintaining a tough core at HRC35–40. This combination reduces wear and prevents cracking under high-cycle production.
Precision That Shapes Consistent Blocks
All cavity surfaces are CNC-machined to a finish of Ra 1.6 or better. Internal corners are given a 3–5 mm radius to relieve vibration stress. Critical dimensions are held to ±0.1 mm tolerance. As a result, each hollow block comes out with uniform size, straight edges, and accurate core positions - batch after batch.
Compatibility Across Machine Brands
UNIK does not produce generic "one-size-fits-all" moulds. Instead, every hollow block making mould is built to match a specific machine model. The company maintains specifications for major brands including HESS, MASA, ZENITH, BESSER, TIGER, Qunfeng, Hengxing, Quangong, and Columbia. If a client's machine is not listed, UNIK works from a drawing, an old mould, or detailed measurements to ensure an exact fit.
Why Manufacturers Choose UNIK
Material Integrity – Every mould uses steel matched to the client's concrete recipe, with no downgrading or substitution.
Heat Treatment Process – Carburizing creates a hard surface for abrasion resistance and a tough core to absorb vibration.
Machining Precision – CNC finishing, radiused corners, and tight tolerances produce blocks that lay flat and fit standards.
Machine-Specific Fit – Moulds are not adapted from stock designs; they are engineered for the customer's exact machine brand and model.
Support After Delivery – Technical assistance, spare parts availability, and refurbishment services help extend mould life beyond the initial 100,000 cycles.
Packaging, Lead Time, and Logistics
Finished moulds are protected with anti‑rust coating and impact‑resistant wrap, then packed in IPPC‑compliant wooden crates. Standard lead time is 20 to 25 working days after drawing approval. Shipping is arranged from Xiamen or Quanzhou port under FOB terms. Documentation - commercial invoice, packing list, and bill of lading - is provided with each order.
From Quanzhou to Global Block Plants
Based in the Maritime Silk Road's starting point, UNIK has grown into a reliable supplier for block plants across 28 countries. The company's mission remains unchanged: to deliver moulds that improve block consistency, reduce downtime, and lower the long‑term cost of production.
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