A precast concrete hollow core slab making machine is designed to manufacture precast concrete slabs that have a hollow core inside, which helps reduce the weight while maintaining strength and load-bearing capacity. These slabs are commonly used in flooring systems for commercial, residential, and industrial buildings.


Here’s how the hollow core slab making machine typically works:

Casting Process: The machine pours a mixture of concrete into molds, and simultaneously, it inserts the necessary voids to create the hollow channels.
Vibration: To ensure that the concrete sets properly and all air bubbles are eliminated, the machine uses vibration technology during the casting process.
Curing: After the slab is cast, it is cured to harden the concrete, often in a steam-curing process to accelerate the setting time.
Demolding: Once cured, the slab is removed from the mold, and the hollow cores are exposed. These are typically post-tensioned or reinforced depending on the specifications.
Finishing: The edges of the slabs may be finished to make them smooth and ready for installation.

Hollow core slabs are especially beneficial for projects that need lightweight but strong flooring, providing excellent sound insulation and fire resistance.

Are you looking for more detailed info about the machine itself, or are you interested in the general process of producing these slabs?

Henan Kelai Industrial Co., Ltd. was founded in 2009. It is a manufacturer and exporter. The company specializes in making different precast concrete parts and equipment. The company is headquartered in Zhengzhou, Henan Province, China.

Henan Kelai Industrial Co.,ltd


Product Offerings:

Henan Kelai Industrial Co., Ltd. provides a comprehensive range of precast concrete machinery, including:


Company Philosophy:

The company emphasizes strict quality control, integrity management, and professional service. Their business philosophy is encapsulated in the motto: “Growing Together, Achieving a Win-Win Situation.”

Contact Information:


For more detailed information about their full range of precast concrete machinery and construction solutions— including hollow core slab making machines, lightweight wall panel production lines, and prestressed equipment — you can visit their official website: www.kelaiii.com or www.cnkelaiii.com.

Henan Kelai Industrial Co., Ltd is a leading manufacturer specializing in high-efficiency precast equipment designed for modern off-site and modular construction. They offer advanced solutions for producing hollow core slabs, sandwich wall panels, and precast concrete columns with superior speed, accuracy, and durability. Their machines are widely used in residential, commercial, and industrial building projects across the globe.

With customizable production lines, CE-certified machinery, expert technical support, fast delivery, and competitive pricing, Kelai is committed to helping clients build smarter, faster, and stronger with long-term value. The company also provides on-site training, installation guidance, and full after-sales support to ensure successful factory setup.

Contact them today via WhatsApp at +86 17788171295 or through their website to request a quotation, download technical data, or plan your factory layout with confidence.

hollow core slab making machine
hollow core slab making machine
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