

1. High‑Efficiency Mass Production Of Hollow Blocks, Sufficient Capacity For Large‑Volume Project Orders
QT4‑25 optimizes mold cavity for mainstream 390×190×190 mm building hollow blocks. Adjustable molding cycle is 15‑20 seconds, producing 4 hollow blocks per mold, with stable output of 4608‑5760 pieces in 8‑hour shift. Full‑automatic cyclic workflow covers pallet feeding, material distribution, pressing‑vibration, demolding and block output without unstable or intermittent production. For bulk hollow‑block orders from residential buildings, factories and wall projects, reliable capacity guarantees on‑time delivery. It helps you win more construction contracts, speed up goods turnover and capital recovery. Medium‑small workshops can realize large‑scale hollow‑block mass production without huge site investment.

2. Table‑mold Resonance With Double‑Sided Pressing For High‑Quality Hollow Blocks And Better Profit Margin
Combined table‑mold resonance and double‑sided pressing vibration deliver adjustable excitation force. Aggregates fill block walls and hole edges fully to avoid common defects such as loose walls, distorted holes, chipping and cracking. Finished hollow blocks reach MU15‑MU20 compressive strength with high hollow ratio and dimensional tolerance within ±0.5 mm. Products easily pass international building material standards. Superior hollow blocks stand out against low‑grade competitors in market, support better selling prices and higher customer repurchase rate to raise batch profit. Cr12MoV quenched steel mold offers long service life and keeps consistent block shape, cutting extra mold replacement cost in long‑run hollow‑block production.

3. PLC Touch‑Screen Automatic Control Reduces Manpower And Labor Cost For Hollow‑Block Production
Equipped with 10‑inch touch‑screen PLC control system, it supports manual, semi‑auto and full‑auto modes. Parameters like vibration duration, molding cycle and feeding speed can be set and saved directly on screen. Only 3‑4 workers manage the whole hollow‑block production line. Heavy manual work such as material filling and green block handling is greatly reduced, cutting over 60 % labor input compared with semi‑auto machines. It solves labor shortage and high‑wage pressure. Built‑in alarm function points out abnormal positions rapidly to shorten troubleshooting time and keep production running steadily, lowering unit labor cost and maintaining profit space amid fierce market competition.

4. Wide Solid‑waste Material Compatibility, Local Raw‑material Sourcing To Lower Material Expense
It achieves 30%‑70% solid waste utilization rate for hollow‑block manufacturing. Besides sand, stone and cement, it efficiently processes local industrial and municipal waste including fly ash, slag, tailing sand and construction muck. Some waste materials are low‑cost or even free of charge. Local sourcing greatly reduces purchasing and long‑distance transportation cost for hollow‑block production. Non‑firing production complies with global environmental‑protection regulations and supports tender opportunities for green building‑material projects, expanding your overseas hollow‑block business channels.
5. Vibration‑resistant Heavy‑duty Frame, Quick Mold Change For Stable Operation & Diversified Hollow‑block Orders
The main frame is welded from high‑strength Q355B steel with excellent anti‑vibration performance, resisting deformation and loose parts under long‑time continuous hollow‑block production. Well‑known brand hydraulic and electric core components extend trouble‑free running time and reduce risks of unexpected shutdown, order delay and compensation. Mold replacement can be finished within 30 min without modifying main machine structure. You can produce hollow blocks of different sizes and hole layouts on one single machine, avoiding heavy investment on extra units. General‑purpose wearing parts simplify after‑sales maintenance. The machine suits long‑term continuous hollow‑block production and flexible response to various market requirements.

1. High‑Efficiency Mass Production Of Hollow Blocks, Sufficient Capacity For Large‑Volume Project Orders
QT4‑25 optimizes mold cavity for mainstream 390×190×190 mm building hollow blocks. Adjustable molding cycle is 15‑20 seconds, producing 4 hollow blocks per mold, with stable output of 4608‑5760 pieces in 8‑hour shift. Full‑automatic cyclic workflow covers pallet feeding, material distribution, pressing‑vibration, demolding and block output without unstable or intermittent production. For bulk hollow‑block orders from residential buildings, factories and wall projects, reliable capacity guarantees on‑time delivery. It helps you win more construction contracts, speed up goods turnover and capital recovery. Medium‑small workshops can realize large‑scale hollow‑block mass production without huge site investment.

2. Table‑mold Resonance With Double‑Sided Pressing For High‑Quality Hollow Blocks And Better Profit Margin
Combined table‑mold resonance and double‑sided pressing vibration deliver adjustable excitation force. Aggregates fill block walls and hole edges fully to avoid common defects such as loose walls, distorted holes, chipping and cracking. Finished hollow blocks reach MU15‑MU20 compressive strength with high hollow ratio and dimensional tolerance within ±0.5 mm. Products easily pass international building material standards. Superior hollow blocks stand out against low‑grade competitors in market, support better selling prices and higher customer repurchase rate to raise batch profit. Cr12MoV quenched steel mold offers long service life and keeps consistent block shape, cutting extra mold replacement cost in long‑run hollow‑block production.

3. PLC Touch‑Screen Automatic Control Reduces Manpower And Labor Cost For Hollow‑Block Production
Equipped with 10‑inch touch‑screen PLC control system, it supports manual, semi‑auto and full‑auto modes. Parameters like vibration duration, molding cycle and feeding speed can be set and saved directly on screen. Only 3‑4 workers manage the whole hollow‑block production line. Heavy manual work such as material filling and green block handling is greatly reduced, cutting over 60 % labor input compared with semi‑auto machines. It solves labor shortage and high‑wage pressure. Built‑in alarm function points out abnormal positions rapidly to shorten troubleshooting time and keep production running steadily, lowering unit labor cost and maintaining profit space amid fierce market competition.

4. Wide Solid‑waste Material Compatibility, Local Raw‑material Sourcing To Lower Material Expense
It achieves 30%‑70% solid waste utilization rate for hollow‑block manufacturing. Besides sand, stone and cement, it efficiently processes local industrial and municipal waste including fly ash, slag, tailing sand and construction muck. Some waste materials are low‑cost or even free of charge. Local sourcing greatly reduces purchasing and long‑distance transportation cost for hollow‑block production. Non‑firing production complies with global environmental‑protection regulations and supports tender opportunities for green building‑material projects, expanding your overseas hollow‑block business channels.
5. Vibration‑resistant Heavy‑duty Frame, Quick Mold Change For Stable Operation & Diversified Hollow‑block Orders
The main frame is welded from high‑strength Q355B steel with excellent anti‑vibration performance, resisting deformation and loose parts under long‑time continuous hollow‑block production. Well‑known brand hydraulic and electric core components extend trouble‑free running time and reduce risks of unexpected shutdown, order delay and compensation. Mold replacement can be finished within 30 min without modifying main machine structure. You can produce hollow blocks of different sizes and hole layouts on one single machine, avoiding heavy investment on extra units. General‑purpose wearing parts simplify after‑sales maintenance. The machine suits long‑term continuous hollow‑block production and flexible response to various market requirements.



QT4‑25 Fully Automatic Concrete Solid Brick Making Machine | High‑capacity Solid Brick Production Equipment for Medium‑small Factories
QT4‑25 automatic solid brick production machine, specially built for mass‑production of building‑grade standard solid br...
QTF3‑20 Automatic Brick Making Machine | Concrete Color Paver & Interlocking Brick Production Equipment
QTF3‑20 brick making machine is equipped with a dedicated color‑facing feeder. It produces color paver bricks, interlock...
QTF3‑30 Full‑Automatic Concrete Brick Forming Host | PLC‑Controlled Large‑Scale Solid Brick Making Machine
Hongfa QTF3‑30 full‑automatic concrete brick forming host is designed for mass solid‑brick production. Equipped with PLC...
Shandong Hongfa Scientific Industrial&Trading Co.,Ltd ©️2026Copyright © LU ICP B 16041216-4