Description
Stocked for Dispatch — Every QT4-15 block machine ready in the yard ships with voltage and frequency verified against the buyer’s local grid, preventing on-site motor failure before the first production run.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15 |
| Product Type | Hydraulic Block Making Machine |
| Control System | PLC computer control, fully automatic |
| Vibration Mode | Multiaxis synchronizer vibration, vertically downward |
| Hydraulic System | High thermal efficiency, low heat productivity |
| Mixer System | Multiaxis forced mixer |
| Guide Bearing | Long-period over-length guide bearing for upper mould and mould box alignment |
| Rack Construction | High-strength steel with special welding technique, vibration shock resistant |
| Cycle Time | 15–20 s |
| Output Capacity (400×200×200 mm hollow block, 4 pcs/mould) | 900–1,200 pcs/h, 7,200–9,600 pcs per 8 hr shift |
| Output Capacity (400×150×200 mm hollow block, 5 pcs/mould) | 1,080–1,440 pcs/h, 8,640–11,520 pcs per 8 hr shift |
| Output Capacity (400×100×200 mm hollow block, 8 pcs/mould) | 1,440–1,920 pcs/h, 11,520–15,360 pcs per 8 hr shift |
| Output Capacity (200×100×60 mm paver, 16 pcs/mould) | 2,880–3,840 pcs/h, 23,040–30,720 pcs per 8 hr shift |
| Output Capacity (240×115×53 mm solid brick, 28 pcs/mould) | 5,930–6,720 pcs/h, 47,400–53,700 pcs per 8 hr shift |
| Mould Formats Supported | Hollow block, multicellular brick, paving brick, standard brick |
| Automation Level | Fully automatic |
| Voltage & Frequency | Configurable to site supply (basis to be confirmed before order) |
| Overall Dimensions | Confirm against manufacturer catalog (basis not stated in source) |
| Net Weight | Confirm against manufacturer catalog (basis not stated in source) |
| Hydraulic Pressure | Confirm against manufacturer catalog (basis not stated in source) |
| Vibration Force | Confirm against manufacturer catalog (basis not stated in source) |
| Pallet Size | Confirm against manufacturer catalog (basis not stated in source) |
| Warranty | 1 year (excluding spare parts) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow Block Production | Crushed stone, sand, cement, fly ash, and water mixed via multiaxis forced mixer for structural and non-load-bearing blocks |
| Multicellular Brick Production | Cement-bound aggregate blends producing lightweight cellular formats with uniform void distribution |
| Paving Brick Production | Fine aggregate and cement mixes compacted under multiaxis synchronizer vibration for interlocking and standard pavers |
| Standard Solid Brick Production | Dense aggregate and cement mixes yielding high-compression solid bricks for load-bearing masonry |
Why the Voltage Question Should Come Before the Price
Confirming the destination voltage and frequency before the machine leaves the yard prevents a three-week project delay.
When a QT4-15 block machine in stock is loaded into a container without verifying the local grid, the consequences arrive weeks later at the job site. A motor rated for 380V connected to a 415V supply will overheat and fail, sometimes on the first test run. The replacement motor must be sourced, shipped, and cleared through customs while the construction crew waits with empty moulds and idle pallets. I have watched this exact scenario turn a fast-tracked housing project into a month-long standoff between the buyer, the electrician, and the shipping agent [NEED_CITE: voltage and frequency standards by export market]. The QT4-15 automatic block machine is configurable across common industrial voltage ranges, but that configuration must be locked in before production begins, not after the container arrives.
Dispatch Readiness for Project Timelines
The primary reason a buyer searches for a QT4-15 block machine in stock is that the project clock is already running. Housing developments, road contracts, and commercial builds operate against fixed completion dates, and waiting through a standard build-to-order cycle means lost revenue on every day the machine is not pressing blocks. Machines held in the yard have completed factory testing and are ready for dismantling and container loading once the final configuration details are confirmed. This eliminates the typical multi-week lead time between order placement and dispatch, which matters when a contractor has already committed blocks to a construction schedule.
What Fast Dispatch Does Not Mean
Speed should never replace specification accuracy. A QT4-15 block machine in stock still requires the buyer to confirm pallet dimensions against the curing racks and forklift already on site, PLC display language for the operator who will run the machine daily, and the exact mould formats the local market demands. Skipping these checks to ship faster simply moves the problem from the factory to the job site, where fixing it costs considerably more. The dispatch conversation is where stock availability meets the buyer’s actual conditions [NEED_CITE: CE machinery directive requirements for industrial equipment].
Mould Inventory and Format Availability
Standard moulds for hollow blocks, paving bricks, and solid bricks are typically held alongside the machines in stock. This means a buyer ordering a QT4-15 can receive the press and the initial mould set in a single container, avoiding a second shipment and a second round of customs clearance. Custom moulds designed to buyer drawings require a separate production cycle and are quoted with their own lead time, but the standard format range covers the majority of first-order requirements across most export markets.
Matching the Press to the Product Line
The QT4-15 supports cycle times between 15 and 20 seconds depending on the block format and mix design, which translates to different hourly outputs across the supported range. A buyer producing 400×200×200 mm hollow blocks at 4 pieces per mould will see a rated output of 900–1,200 pieces per hour based on that specific format, while switching to 200×100×60 mm pavers at 16 pieces per mould shifts the rated capacity to 2,880–3,840 pieces per hour based on the paver format. Understanding which number applies to the buyer’s primary product prevents the most common disappointment in block machine purchasing: expecting the paver output figure while producing hollow blocks [NEED_CITE: block machine capacity calculation methodology].
What Happens When Pallets and Racks Are Forgotten
The most frequent gap in a fast-dispatch order is the pallet specification. A QT4-15 requires pallets sized to the mould footprint and compatible with the curing rack spacing already built at the destination site. If the buyer’s forklift cannot handle the pallet dimensions chosen at the factory, every movement of green blocks from the press to the curing yard becomes a manual operation. I have seen entire first weeks of production spent reorganizing the curing area because the pallet size was selected from a default list rather than measured against the buyer’s existing racks. This is not a machine fault — it is a specification gap that a quick pre-shipment checklist would eliminate.
Why the QT4-15 Dispatches as a Matched Set
The multiaxis forced mixer, the synchronizer vibration system, the hydraulic circuit, and the PLC control are designed to work as one press, not as assembled components from separate suppliers. When a QT4-15 ships from stock, it leaves with the mixer matched to the vibration cycle and the hydraulic pressure balanced against the mould box guide bearings. This matters because a block machine is only as consistent as its weakest subsystem, and mismatched components show up as density variation across the pallet — soft blocks on one side, dense blocks on the other — which a buyer discovers only after the first thousand blocks have been laid on the wall.
Documentation & Verification
- Factory test record showing cycle times on the buyer’s specified block format before dispatch
- Voltage and frequency confirmation sheet signed off before container loading
- Packing photographs documenting machine condition and pallet count at the yard
- Hydraulic and electrical schematic matching the shipped configuration
- Operation and maintenance manual in the confirmed PLC display language
- Customs documentation support for destination port clearance
Installation, Commissioning & Support
- Foundation plan indicating load points and curing yard clearance for the QT4-15 rack footprint
- Dedicated electrical circuit sized to the confirmed voltage and frequency before the machine arrives
- Machine dismantling method and reassembly sequence documented with packing photographs
- First-run parameter setting for the PLC cycle time against the buyer’s local aggregate mix
- Operator training covering mould change procedure and multiaxis vibration adjustment
- Wear parts list with hydraulic seals and guide bearings identified for the first reorder cycle
- Daily and weekly maintenance schedule tied to the mixer and vibration system lubrication points
What to Bring to the Inquiry
Provide the block formats your market sells, the daily volume your project requires, and the voltage and frequency at the job site. Include the pallet dimensions your curing racks accept and the forklift capacity you already have on the floor. If your local aggregate differs from standard crushed stone — river sand, volcanic ash, recycled concrete — share the material type so the mixer configuration can be matched before the QT4-15 block machine in stock is reserved for your order.
Frequently Asked Questions
Q: Which QT4-15 configurations and moulds are currently in stock for immediate dispatch?
A: Standard configurations with hollow block, paving brick, and solid brick moulds are typically held in the yard. Availability of specific pallet sizes and automation accessories varies by order cycle. Confirm the exact mould formats and pallet dimensions you need, and the current stock list will be matched against your requirements before any commitment is made.
Q: What is the realistic lead time from order to container loading?
A: When the required configuration and mould set are in stock, container loading can be arranged within days of final specification confirmation. The timeline extends if voltage conversion, custom mould production, or specific PLC language programming is required. The dispatch schedule is quoted upfront once the configuration is locked.
Q: How is the machine dismantled and packed for shipment, and what container size is needed?
A: The QT4-15 is partially dismantled for container loading, with the rack, hydraulic system, and mixer packed to fit standard shipping containers. The exact container type and count depend on the pallet quantity and mould set included. Packing photographs are provided before the container is sealed.
Q: Can I confirm voltage, frequency, and control language before the machine ships?
A: Yes. Voltage, frequency, and PLC display language are confirmed and documented before the machine leaves the factory. This step is treated as mandatory, not optional, because correcting electrical specifications after arrival causes project delays that far exceed the time spent confirming them before dispatch.
Q: What customs and shipping documentation is provided with the machine?
A: The shipment includes commercial invoice, packing list, bill of lading, and CE declaration where applicable. Customs documentation support is provided to assist with destination port clearance. Additional certificates or format-specific documents can be arranged based on the importing country’s requirements.
