Cover Block Making Machine Coimbatore

cover block making machine coimbatore

What Are Concrete Cover Blocks and Why Are They Critical?

In reinforced cement concrete (RCC) structures, cover blocks (also known as rebar spacers or cover blocks) are small concrete components placed between the reinforcing steel and the formwork. Their core function is to ensure that the rebar is fully encased in concrete with a precise cover thickness, preventing corrosion caused by exposure to air, rainwater, seawater, and other environmental factors.

Insufficient cover thickness is a structural risk. Consistent cover thickness is the fundamental guarantee of construction quality.

Traditionally, cover blocks were made manually on site: workers mixed, cast, and cured them by hand. This method has clear drawbacks: dimensions and strength vary due to manual handling, making consistency impossible to guarantee; it requires multiple workers with low efficiency; it cannot meet the bulk demand of modern large‑scale projects, often becoming a construction bottleneck; and imprecise mix ratios and damaged blocks result in significant material waste.

A dedicated cover block forming machine transforms this labor‑intensive process into an automated precision production line, ensuring consistent dimensions, density, and strength for every cover block, significantly reducing labor costs, and producing denser, stronger cover blocks through controlled vibration and hydraulic pressure.

Products	Pic	Size	Capacity	Cycle time	Daily capacity
Hollow block		390 ×190 ×190mm	5pcs/pallet	15-20s	7200pcs
Hollow brick		240 ×115 ×90mm	16pcs/pallet	15-20s	23040pcs
Brick		240 ×115 ×53mm	34pcs/pallet	15-20s	48960pcs
Paver		200 ×100 ×60mm	20pcs/pallet	15-20s	28800 pcs

±20% Wide Voltage Design – Responding to Grid Fluctuations in India

Voltage fluctuations are common in some parts of Tamil Nadu. UNIK equipment features a wide voltage design that can withstand fluctuations of ±20%, effectively protecting motors and variable frequency drives. The equipment comes standard with undervoltage protection and automatic restart functions – in areas with unstable power supply, this means less downtime and higher production efficiency.

 

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UNIK Machinery: An Engineering‑Driven Manufacturer

UNIK Machinery was founded in 2008 and is headquartered in Quanzhou, Fujian, China – the core industrial region for global concrete block forming equipment. The founding team consists of engineers with decades of experience in the brick machine industry, specializing in the R&D, manufacturing, and sales of concrete block forming equipment and supporting molds.

UNIK has obtained ISO 9001, CE, SGS and other international certifications, and its products have been exported to over 70 countries worldwide. UNIK consistently upholds the service philosophy that "Our success is only achieved when our customers succeed."

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