Custom Slab Mould Design
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
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Product Details ofCustom Slab Mould Design
Custom Slab Mould Design
Concrete slabs-cover slabs, drainage grating slabs, wall panels, and decorative paving units-are essential components in infrastructure, utilities, and landscaping. The mould determines whether each slab meets specification for dimensions, flatness, load capacity, and surface finish. A poorly designed slab mould produces warped, uneven, or weak products that fail on site.
Since 2010, Fujian Unik Mould Technology Co., Ltd. has manufactured custom slab moulds from its facility in Quanzhou, Fujian Province. The company supplies brick plants, precast producers, and infrastructure contractors across 28 countries, with every mould built to order after drawing approval.
Selection Guide: Choosing the Right Slab Mould
Selecting a slab mould involves evaluating product type, production volume, machine compatibility, and material grade. The following framework guides the decision.
1. Material Selection: Steel Grade
| Grade | Best For | Key Property |
|---|---|---|
| 42CrMo | General slab production, moderate abrasion | Balanced wear resistance and toughness |
| Cr12MoV | Abrasive mixes, high-volume runs, recycled aggregates | High chromium content for extended surface life |
| 9CrSi | Precision slabs requiring high hardness | Excellent wear resistance and dimensional stability |
2. Slab Profile Type
| Profile | Application |
|---|---|
| Utility Cover Slab | Cable trenches, service ducts, drainage channels |
| Drainage Grating Slab | Stormwater management, runoff control |
| Precast Wall Panel | Building facades, partition walls, fencing |
| Decorative Paving Slab | Landscaping, architectural surfaces, stone-look finishes |
| Solid Base Slab | Foundations, equipment pads, ground protection |
3. Cavity Configuration
Single-cavity moulds suit large-format slabs and low-volume production. Multi-cavity configurations increase output for smaller slabs. Cavity count is matched to the machine's forming area and cycle time.
4. Key Technical Parameters
Flatness: Mould plate flatness ≤0.5mm to prevent warping and uneven thickness
Surface Hardness: HRC 58–62 for wear resistance
Core Hardness: HRC 35–40 for vibration toughness
Dimensional Tolerance: ±0.1mm cross-section, ±0.5mm length
Surface Finish: Ra 1.6 or better for clean demoulding
Internal Corner Radius: 3–5mm to eliminate stress concentration
Frequently Asked Questions (FAQs)
Q1: What is the typical lifespan of a UNIK slab mould?
Under normal production conditions, UNIK slab moulds deliver 80,000 to 100,000 cycles. Premium tool steels such as Cr12MoV achieve the upper range, depending on mix abrasiveness and operating parameters.
Q2: How do you prevent slab warping?
Warping is controlled through strict flatness tolerances (≤0.5mm), proper draft angles for even demoulding, and uniform compaction. UNIK's mould plate flatness specification prevents the uneven thickness that causes warping.
Q3: Are UNIK slab moulds compatible with my machine?
UNIK moulds fit HESS, MASA, ZENITH, BESSER, TIGER, Qunfeng, Hengxing, Quangong, Columbia, and other major brands. For unlisted machines, providing an existing drawing or old mould enables exact-fit production.
Q4: What certifications do UNIK moulds carry?
All UNIK moulds are manufactured under ISO 9001:2015 certification and hold CE and SGS marks confirming compliance with international quality and safety standards.
Q5: What is the lead time and shipping process?
After drawing approval, production takes 20–25 days. Moulds ship FOB from Xiamen or Quanzhou port in ISPM 15-compliant wooden crates with protective foam.
Q6: What after-sales support is available?
UNIK provides a 12-month warranty, spare parts supply with 48-hour dispatch, re-machining services at approximately 30% of new mould cost, and remote technical assistance with 24-hour response.
Certifications & Quality Assurance
UNIK's manufacturing process is governed by a quality management system that ensures consistency and traceability from design through delivery.
ISO 9001:2015 – Covers the full production process, from engineering review to final inspection.
CE Certification – Confirms compliance with European safety and environmental requirements.
SGS Verification – Independent inspection of performance and material specifications.
Material Traceability – All steel is sourced from certified mills with accompanying test reports.
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Customer Case Studies
Case 1: Utility Cover Slab Production (Middle East)
Challenge: A precast producer required load-rated cover slabs for a municipal cable trench project. Strict flatness and dimensional tolerances were specified, with high daily output targets.
Solution: UNIK supplied multi-cavity slab moulds in Cr12MoV steel, machined to ±0.1mm cross-section tolerance and ≤0.5mm flatness.
Outcome: The producer met the project schedule with consistent slab quality. The moulds exceeded 70,000 cycles with no loss of flatness.
Case 2: Decorative Paving Slabs (Southeast Asia)
Challenge: A landscape contractor needed textured paving slabs mimicking natural stone for a resort development. The surface pattern required precise reproduction across every unit.
Solution: UNIK engineered a single-cavity mould with a precision-etched cavity surface, finished to Ra 1.6 and heat-treated to HRC 60.
Outcome: The contractor delivered a uniform, high-quality product. The textured surface released cleanly, reducing finishing labour.
Common Applications
Slabs produced from UNIK moulds are used in:
Cable trench and service duct covers
Stormwater drainage grating slabs
Precast wall panels and fencing units
Decorative landscape paving
Equipment foundation pads and ground protection
About UNIK
Fujian Unik Mould Technology Co., Ltd. was founded in Quanzhou in 2010 and specializes in brick machines and concrete moulds. The company exports to 28 countries, with a product line that includes slab moulds, curb moulds, paver moulds, and block moulds. UNIK holds ISO 9001:2015, CE, and SGS certifications.
Contact UNIK for design consultation, material selection guidance, or a customized quotation.
Fujian Unik Mould Technology Co., Ltd.
Website: www.unikmould.com
Location: Quanzhou, Fujian Province, China
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