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Hollow Block Molds for Face Shell and Web Geometry

Mould ModelHB-400 / HB-390 / Custom Hollow Block Mould
Block SizeTypical: 400 × 200 × 200 mm; 400 × 200 × 150 mm; 400 × 200 × 100 mm (Custom sizes available)
Block Height100–300 mm (design-dependent reference)
Material / HRCWear-resistant alloy steel; heat-treated, HRC58–62 (reference)
Cavities/Cycle4 / 6 / 8 / 10 / 12 / 15 / 18; custom configuration (reference)
Machine BrandHAWEN / HESS / MASA / ZENITH / QUADRA / other brands (subject to fit review)
Machine ModelQT4-15 / QT6-15 / QT8-15 / QT10-15 / QT12-15 / QT15 / QT18 / custom models (reference; fit review)
Pallet SizeCustom to the receiving block-making machine
Life (cycles)Approx. 80,000–120,000 cycles (reference; operating conditions apply)
MountingReviewed against machine mounting drawings
CertificationCE, ISO
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Define the concrete sections between the outside block profile and internal openings.

A hollow block mold controls both the outside of the masonry unit and its internal openings. The concrete sections between those surfaces are part of the product specification. A useful enquiry therefore includes a dimensioned block section, rather than relying only on an overall length, width and height or a nominal size name.

Draw the Face Shells and Internal Webs

Identify face-shell and web dimensions, the number and arrangement of openings, and any special end profiles. Include grooves or other details that must be formed. A replacement enquiry can use photographs of the existing blocks and tooling to explain retained features, while the approved drawing establishes the actual dimensions.

  • Outside profile and overall block dimensions.
  • Opening geometry, core positions and concrete sections.
  • End details, grooves and the applicable drawing revision.

Open hollow block mold with upper assembly and lower cavities

Review the Matched Forming Components

The mold box, internal cores and tamper head work together to form the external shape and hollow sections. Their layout should be reviewed against the production pallet and available machine forming area. Provide the full machine model and measured mounting references so the required block geometry and installation requirements can be checked together.

Front view of an open hollow block mold

Check the Geometry During Trial Production

Inspect outside dimensions, core positions, web continuity and edges during the agreed trial. Compare units from different cavities and retain the mix condition and machine settings with the inspection record. Final acceptance is based on the approved drawing and agreed inspection criteria; finished-product performance depends on the specified materials, process and intended use.

Angled view of hollow block cores and pressing components

Discuss Your Mold Requirements

Send your product drawing, machine details, production pallet dimensions and required layout for a configuration review.

Explore Concrete Block Molds, or contact HAWEN for a mold quotation. The quotation and approved technical documents confirm the final tooling and supply requirements.

Reference Technical Specifications

ParameterSpecification
Mould ModelHB-400 / HB-390 / Custom Hollow Block Mould
Finished Block SizeTypical: 400 × 200 × 200 mm; 400 × 200 × 150 mm; 400 × 200 × 100 mm (Custom sizes available)
Block Height Range100–300 mm (design-dependent reference)
Mould Material / HardnessWear-resistant alloy steel; heat-treated, HRC58–62 (reference)
Cavities per Cycle / Layout4 / 6 / 8 / 10 / 12 / 15 / 18; custom configuration (reference)
Compatible Machine BrandHAWEN / HESS / MASA / ZENITH / QUADRA / other brands (subject to fit review)
Compatible Machine ModelQT4-15 / QT6-15 / QT8-15 / QT10-15 / QT12-15 / QT15 / QT18 / custom models (reference; fit review)
Pallet SizeCustom to the receiving block-making machine
Mould Service Life Reference (cycles)Approx. 80,000–120,000 cycles (reference; operating conditions apply)
Frame Interface TypeReviewed against machine mounting drawings

Reference specifications are subject to approved product and installation drawings. Match the brand and exact machine model as one reviewed configuration; QT references do not establish compatibility with every listed brand. Confirm the components receiving the stated alloy-steel treatment and the hardness measurement locations. The 80,000–120,000-cycle figure is an approximate mould service-life reference affected by machine condition, raw materials and block design; it is not a forming-time figure or a guaranteed life.


Related Resource


Hollow Block Mold Features

Hollow Block Mold

Custom Core Layouts for Your Block Range

Block dimensions, core shapes, and hole arrangements are customized to your drawings or samples. Wall thickness and release geometry are reviewed together to match your product requirements and production equipment.

HARDOX Steel for Mold Beams

Swedish HARDOX steel is used for the hollow block mold beams to provide wear resistance in these components. A frame reinforced by welded stiffeners helps maintain structural stability and component alignment during repeated production.

Hardened Working Surfaces for Wear Resistance

Critical wear components undergo carbonitriding and quenching, achieving a surface hardness of HRC 59–61 with an effective hardened layer of approximately 1.5 mm. This treatment helps resist abrasive wear and preserve the forming geometry.

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Hollow Block Molds for Face Shell and Web Geometry
Hollow Block Molds for Face Shell and Web Geometry

HAWEN technical summary 2026-10-20

Review hollow block mold geometry with HAWEN using face-shell, web and opening drawings. Confirm inspection points and machine fit for the specified masonry unit.

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Send your block drawing and machine model for a mould quotation.
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HAWEN Block Mould

Tel: +8618359454595

Email: sale@hwmachines.com

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Manufacturer Address:Nanan, Quanzhou City, Fujian Province, China

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