Concrete Slab Molds
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 slab molds
Product Introduction
Nearly twenty years of continuous improvement has established our comprehensive quality management system. This maturity translates into paving block moulds products with proven process technology and consistently reliable quality. From raw material verification through final inspection, every paving block moulds production stage follows documented protocols ensuring traceability and performance validation. Our vacuum-degassed alloy steel preparation, multi-directional forging, and advanced heat treatment processes guarantee paving block moulds service life exceeding 80,000-100,000 cycles.
The manufacturing process of concrete block moulds is a meticulous and multi-step procedure. Each step, from determining the type of mould and selecting the appropriate steel material to heat treatment, welding, and calibration, is crucial for producing high-quality and durable moulds. At UNIK Mould, we adhere to these rigorous standards to ensure that our products meet the highest levels of precision and reliability.
Determine the Type of Mould
Select the Mould Equipment
Choose the Steel Material
Mould Calibration

Carburizing
This process involves diffusing carbon into the surface of the steel to increase its hardness and wear resistance.

Nitriding
This process involves diffusing nitrogen into the steel to enhance its surface hardness and durability.

Carbonitriding
A combination of carburizing and nitriding, this process provides a balanced improvement in hardness and wear resistance.

Treatment
The specific heat treatment method should be determined based on the properties of the chosen steel material to optimize the mould's performance and longevity.
Why Choose UNIK Machinery
Why team up with us for concrete slab molds? Drawing on 15 years in mould engineering, we create gear that trims production costs by about 15% with its sturdy build. Our R&D adjusts moulds for particular needs, like reinforced slabs for cargo areas in port terminals, all checked in our quality setup. We've equipped clients across 60+ countries, scoring 99.8% thumbs-up in latest reviews. We opt for recyclable stuff to match green construction standards. Let's get your slab production rolling-hit us up for a tailored quote.

Key features
- Vibration Characteristics: High-frequency, high-amplitude vibration systems achieve adequate compaction with leaner sand cement ratio for block moulding than low-energy equipment. Mould design must accommodate mix-specific flow and bleed characteristics.
- Curing Regime: Steam curing accelerates strength development, enabling slightly leaner sand cement ratio for block moulding than ambient-cured equivalents. However, thermal gradient control becomes critical to prevent micro-cracking.
- Mould Surface Condition: Polished, coated mould surfaces permit leaner sand cement ratio for block moulding by reducing adhesion and improving release. Worn or corroded cavities demand richer mixes to compensate for increased friction and potential surface defects.
Our factory

Manufacturing

Delivery

workshop

Process
Fujian Unik Mould Technology Co., Ltd. is a premier manufacturer of concrete slab molds, equipped with four CNC gantry machining centers, two CNC milling machines, CNC flame cutting systems, and large-scale CMM inspection capabilities rare among domestic producers. With nearly two decades of quality system refinement, we deliver paving block moulds with proven process technology and 80,000-100,000 cycle service life. Our portfolio spans high-strength sand-faced pavers, permeable pavers, PC imitation stone, interlocking slope protection blocks, hydraulic engineering blocks, and retaining wall systems. We specialize in complex solutions including horizontal core-pull moulds, adjustable live-plate curb stone moulds, and integrated cavity machining for grass-grid pavers. From concept to commissioning, our customer-centric approach ensures customized paving block moulds optimized for any brick machine configuration, backed by comprehensive technical support and predictive maintenance programs.
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