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QT6-15 Concrete Block Machine for Construction – Full Range High quality block machine
Concrete Machinery

QT6-15 Concrete Block Machine for Construction – Full Range

<p><strong>QT6-15 Automatic Concrete Hollow Block Machine, 31.25 kW, PLC Control, 850×550 mm Pallet</strong> — specified as one matched system with mould, pallet and handling equipment sized to your target block format.</p> <ul> <li>Output capacity stated per block size: 1200–1680 pcs/h based on 400×200×200 mm hollow block, 3240 pcs/h based on 240×115×53 mm solid brick</li> <li>Hydraulic pressure and vibration force matched to your local aggregate and mix design, not a catalogue default</li> <li>Automation level selectable from semi-automatic through to fully automatic stacking</li> </ul> <p>Configuration set against your actual site conditions, with line layout and capacity calculation provided before order.</p>

CE Certified
European Standards
Ships 15-30 Days
Fast Delivery
108+ Countries
Global Export
After-Sales Support
Training Included
24h Response
Free Technical Consultation

Product Details

Matched System Output — the QT6-15 is specified with its mould, pallet, and handling equipment as one coordinated line rather than separate purchases.

Technical Specifications

Parameter Value
Model QT6-15
Product Type Automatic Concrete Hollow Block Machine
Overall Dimensions (L×W×H) 7400 × 1900 × 2660 mm
Molding Cycle 15–25 s (basis to be confirmed by block format and material)
Vibration Frequency 4600 r/min
Vibration Force 40–50 kN
Total Power 31.25 kW
Mixer Model JQ350
Pallet Size 850 × 550 × 25 mm
Total Weight 7 T
Control System PLC control system
Hydraulic Station Included
Output (400×200×200 mm hollow block) 1200–1680 pcs/h, 9600–13440 pcs per 8-hour shift
Output (400×150×200 mm hollow block) 1800–2400 pcs/h, 14400–19200 pcs per 8-hour shift
Output (240×115×53 mm solid brick) 3240 pcs/h, 16200–19440 pcs per 8-hour shift
Standards CE

Application Suitability

Application Material or Output
Hollow block production for wall construction Crushed stone, sand, cement, fly ash
Solid brick manufacturing Cement, dust, sand blends
Paver and curbstone forming for infrastructure Aggregate and cement mixes
On-site block production for housing projects Locally sourced raw materials

Why the Output Figure on the Brochure Rarely Matches Your First Month

Every capacity number on this page is tied to a specific block format and dimension.

I once shipped a machine to West Africa with a quoted output based on clean river sand. The buyer’s actual aggregate had high clay content, and the vibration force could not compact the mix properly. Daily production dropped sharply from what the brochure promised. That experience changed how I approach every quotation: raw material samples come first, configuration follows. When buyers see a concrete block machine manufacturer quoting a single output number without naming the block size, that number is almost meaningless for planning a real production schedule. The QT6-15 figures above each state the exact format they assume. [NEED_CITE: effect of aggregate clay content on block compaction and cycle time]

Where the QT6-15 Sits in the Full Range

The SHIYUE range covers mobile egg-laying machines for small on-site work, semi-automatic presses for workshops with limited investment, and higher-tier automatic lines for large-volume plants. The QT6-15 occupies the mid-tier automatic segment. It gives buyers a fully PLC-controlled automatic block machine for sale with hydraulic forming, while keeping the plant footprint manageable for a first-line setup. Buyers moving up from manual or semi-automatic operation find this tier removes the heaviest labour from the cycle without requiring a large curing yard or dedicated maintenance crew.

How the Supporting Equipment Connects to the Press

A block press does not work alone. The pallet feeder must deliver boards at a rate the press cycle demands, the block sweeper must clean the surface before stacking, and the brick conveyor must clear finished products before the next cycle starts. With the QT6-15, these stations are specified as part of the same quotation. The included equipment list covers the hydraulic station, PLC control system, pallet feeder, brick conveyor, and block sweeper. When any station runs slower than the press, the press waits — and the quoted cycle time becomes theoretical. [NEED_CITE: production line bottleneck analysis in concrete block manufacturing]

What the Specs Mean on the Shop Floor

The vibration force of 40–50 kN working at 4600 r/min must be matched to the hydraulic pressure to achieve consistent block density. If vibration is high but hydraulic pressure is low, blocks crack during demoulding. The 850 × 550 × 25 mm pallet size determines how many blocks form per cycle and must align with the curing racks and forklifts the buyer already operates. The PLC control system manages cycle timing, vibration duration, and hydraulic sequence — and its display language should be confirmed before production so operators can read it on day one. The JQ350 mixer handles raw material blending upstream, and its capacity must keep pace with the press consumption rate to avoid idle cycles.

QT6-15 automatic block machine with hydraulic station and PLC control panel

The Cost of Skipping the Voltage Conversation

Buyers often focus on output and price, leaving electrical specifications for later. The QT6-15 draws 31.25 kW total, and if the local supply runs at a different frequency than the motor was wound for, the vibration frequency shifts and block density becomes inconsistent. PLC displays programmed in a language the operators cannot read turn simple fault codes into lost shifts. Voltage, frequency, and control language confirmation before production is not paperwork — it is the difference between commissioning in days and commissioning in weeks. [NEED_CITE: voltage and frequency standards by export market]

Why Buyers Source This Machine Here

Block machinery is the single focus of this production line, meaning the press, mould, pallet, and handling equipment are designed and supplied as one system. Configuration is set against the buyer’s actual mix design and local aggregate, not pulled from a catalogue default. Mould design covers the formats the buyer’s market actually sells, including custom drawings when standard formats do not match. Automation level is selectable, so a buyer can start with the included semi-automatic handling and add stacking or cubing later. Installation support includes on-site commissioning and operator training so the first production run happens with the crew that will run the machine daily.

Documentation & Verification

  • Line layout drawing with capacity calculated per block format and pallet size
  • Machine specification sheet confirming vibration force, hydraulic pressure, and power rating
  • Mould drawing and format list provided before order confirmation
  • Voltage, frequency, and PLC display language written into the production order
  • Factory test record showing actual cycle times on the buyer’s confirmed block format
  • Packing photographs documenting loading condition before container departure

Installation, Commissioning & Support

  • Foundation plan based on the 7400 × 1900 mm footprint and 7 T operating weight
  • Dedicated power circuit sized for the 31.25 kW total load at confirmed voltage and frequency
  • Machine arrives in 20GP container with pallets loaded; reassembly supervised on site
  • PLC parameters set during commissioning to match local raw material and target block format
  • Operator training covers mould change procedure, daily maintenance, and fault reading
  • Wear parts list and mould inventory provided with recommended replacement intervals

Before You Request a Quote

Send the block formats your market sells, along with target daily volume and the raw materials you can source locally. Confirm your site voltage, frequency, and the language your operators need on the PLC screen. If you have existing curing racks or forklifts, share the dimensions so the pallet size is matched correctly from the start.

Close-up of QT6-15 mould assembly and hydraulic vibration system

Frequently Asked Questions

Q: How is the output capacity of the QT6-15 verified, and which block format does each figure assume?
A: Every output figure on this page names the exact block dimension it refers to — 400×200×200 mm hollow, 400×150×200 mm hollow, or 240×115×53 mm solid. Cycle times vary with mix design and material, so we confirm capacity on your specific raw material sample before finalising the quotation.

Q: Where does the QT6-15 sit compared to semi-automatic and higher-tier models?
A: It occupies the mid-tier automatic segment within the full SHIYUE range. Semi-automatic models require more manual pallet handling, while higher-tier lines add automatic stacking and cubing. The QT6-15 gives PLC-controlled forming with included pallet feeding and conveying, keeping the footprint suitable for first-line plants.

Q: What voltage, frequency, and PLC language options are available?
A: The electrical system is configured to your site supply before production begins. Voltage, frequency, and PLC display language are all confirmed during the order stage so the machine commissions without electrical modification or operator confusion on arrival.

Q: Can I start with a basic configuration and add automation later?
A: The automation level is selectable. The QT6-15 ships with pallet feeding, conveying, and sweeping included. Automatic stacking and cubing modules can be added as your production volume grows, without replacing the press itself.

Q: What plant footprint and supporting equipment does the QT6-15 need?
A: The press measures 7400 × 1900 × 2660 mm and weighs 7 T. A complete line also requires space for the JQ350 mixer, raw material storage, pallet return path, and a curing area sized to the 850 × 550 mm pallet format and your daily output target.

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