Description
Rapid Dispatch Readiness — Stocked QT4-15 block machines configured for immediate container loading, eliminating multi-week production waits that stall on-site building schedules.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15A |
| Product Type | Hydraulic Concrete Block Making Machine |
| Overall Dimensions (L×W×H) | 7100 × 1600 × 2610 mm |
| Molding Cycle | 15–25 s |
| Vibration Frequency | 4600 r/min |
| Exciting Power (Vibration Force) | 40–50 KN |
| Total Power | 18.45 kW |
| Mixer Model | JQ350 |
| Pallet Size | 850 × 550 × 25 mm |
| Total Weight | 3 T |
| Automation Level | Semi-automatic |
| Hydraulic Station | Equipped, high-pressure stable running |
| Vibration System | Bed mould vertical vibration + upper mould compression vibration |
| Output Capacity (Hollow Block 400×200×200mm) | 408 pcs/hr, 3264 pcs/8hr |
| Output Capacity (Hollow Block 400×150×200mm) | 510 pcs/hr, 4080 pcs/8hr |
| Output Capacity (Solid Brick 240×115×53mm) | 2100 pcs/hr, 17000 pcs/8hr |
| Applied Products | Paver, solid block, hollow block, curbstone |
| Raw Materials | Crushed stones, sand, cement, dust, fly ash |
| Standards | CE declaration where applicable |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site housing project block production | Hollow blocks from crushed stone, sand, and cement |
| Paver manufacturing for landscaping and municipal works | Interlocking pavers from fine aggregate and cement |
| Solid brick runs for load-bearing walls | Solid bricks from fly ash, dust, and cement |
| Curbstone production for road and drainage infrastructure | Kerbstones from coarse crushed stone and cement |
| Small-to-medium block plant start-ups | Mixed format output across hollow, solid, and paver lines |
Why the Voltage Question Must Come Before Dispatch
Confirming local voltage and frequency before the crate is sealed prevents weeks of idle machines on arrival.
I once shipped a QT4-15 block machine in stock configuration to a Middle East project site without double-checking the local grid. The machine arrived, the generator was fired up, and nothing happened — the voltage mismatch meant the hydraulic pump motor would not start. The entire crew stood around for three weeks while a step-down transformer was sourced locally. That delay cost more than the transformer itself in idle labour and pushed the masonry schedule into the rainy season. [NEED_CITE: voltage and frequency standards by export market] When you are sourcing a fast delivery concrete block maker for a project with a hard deadline, the electrical specification is not a footnote — it is the first conversation.
Dispatch Timing and Stock Availability
Container Loading and Machine Dismantling for Shipment
The QT4-15 block machine in stock ships in a dismantled state to fit standard container dimensions. The main frame, hydraulic station, mixer, and pallet feeding system are separated and secured with steel bracing. This approach protects the vibration assembly during ocean transit and allows the machine to be reassembled on a prepared foundation without heavy crane equipment. Buyers working to a project deadline need to know the machine is already built, tested, and waiting — not queued behind other orders on the factory floor.
Standard Moulds and Pallet Inventory
Standard moulds for 400×200×200mm hollow blocks, 240×115×53mm solid bricks, and common paver formats are held in stock alongside the QT4-15 fast delivery concrete block maker units. Pallets in the 850×550×25mm size are bundled with each shipment so that production can begin the day the machine is commissioned. Having pallets on hand eliminates the common situation where the press is running but there is nothing to carry the wet blocks to the curing area. [NEED_CITE: standard pallet sizing practices in block production]
Arrival Estimates and Lead Time Transparency
Stock availability means the typical waiting period shifts from production lead time to transit time only. Once the container is booked, the arrival estimate depends on the destination port and shipping line schedule. Buyers receive the container number and vessel details at the point of dispatch so they can coordinate customs clearance and site preparation in parallel. No guessing, no chasing the factory for updates.
How Hydraulic Pressure and Vibration Force Shape Block Density
The QT4-15A pairs a high-pressure hydraulic station with a dual vibration system — vertical vibration on the bed mould and compression vibration on the upper mould. This combination compacts the mix from two directions during the 15–25 second molding cycle. The vibration frequency at 4600 r/min liquefies the concrete mix enough to fill mould cavities completely, while the hydraulic pressure locks the aggregate into a dense matrix. The result is consistent block strength across every cycle, provided the mix design matches local aggregate characteristics. A mould change between formats takes a portion of a shift when the bolts and alignment pins are accessible, which is why the QT4-15 block machine in stock is designed with quick-release mould mounting points.
What Semi-Automatic Means for Your First Production Run
The semi-automatic configuration handles the pressing cycle, vibration sequence, and hydraulic timing through the control system, while pallet feeding and block stacking remain manual operations. For an entrepreneur launching a first block plant, this keeps the initial investment contained and the operator training straightforward. When daily volume grows, the line can be expanded with automatic pallet feeding and stacking equipment without replacing the press itself. The 18.45 kW total power draw — including the JQ350 mixer — means most small project sites can run this machine from a standard industrial generator without upgrading the entire site electrical supply.
The Real Cost of Skipping Pre-Shipment Electrical Verification
Arriving at a project site to find the QT4-15 fast delivery concrete block maker will not power on is a scenario no contractor should experience. Beyond the idle labour, there is the reputational damage with the project owner, the penalty clauses that may trigger, and the scramble to source compatible electrical components in a foreign market. Voltage, frequency, and PLC display language must be confirmed against the destination country grid before the machine leaves the factory. A three-week delay from an unchecked voltage spec is not a theoretical risk — it is something I have watched happen on a live housing project. [NEED_CITE: CE machinery directive requirements for industrial equipment]
Why Procurement Through This Channel Works
Block machinery is the single focus here, so the QT4-15 block machine in stock is specified as a matched system — press, mould, pallet, and handling equipment are verified together before dispatch. Configuration is set against the buyer’s actual mix design and target block format rather than a catalogue default, even on stocked units. Standard moulds ship with the machine for the formats the buyer’s market actually sells, and custom mould drawings can be prepared in parallel if a non-standard format is needed. Installation and commissioning support includes operator training on the specific control system fitted to the dispatched unit. Documentation — from factory test records to packing photographs — is prepared per shipment, not pulled from a generic folder.
Documentation & Verification
- Factory test record confirming molding cycle and hydraulic pressure before dispatch
- Voltage and control language confirmation sheet matched to destination grid
- Packing photographs showing dismantling state and container loading plan
- Mould drawing and format list for all moulds included in the shipment
- Customs documentation support with HS codes and certificate of origin
Installation, Commissioning & Support
- Foundation plan sized to the 7100 × 1600 mm machine footprint with vibration isolation
- Dedicated electrical circuit rated for the 18.45 kW total power draw including JQ350 mixer
- Reassembly guidance for the dismantled hydraulic station, vibration assembly, and pallet feeder
- First-run commissioning with molding cycle verification across 15–25 second range
- Operator training covering mould change procedure and PLC display navigation
- Wear parts list for hydraulic seals, vibration springs, and mould liners with reorder codes
What to Include in Your Inquiry
To move from stock check to dispatch confirmation, share your target block format, daily output requirement, and the raw materials available at your project site. Confirm the local voltage and frequency so the motor and control system can be verified before crating. Let us know your destination port for a transit estimate and whether you need standard moulds only or custom formats as well. The more detail provided upfront, the faster the QT4-15 block machine in stock moves from warehouse to container.
Frequently Asked Questions
Q: What QT4-15 models are currently in stock and ready to ship?
A: The QT4-15A semi-automatic configuration is held in stock with standard moulds for hollow blocks, solid bricks, and pavers. Pallets in the 850×550×25mm size are bundled with each unit. Stock status is confirmed at the point of inquiry, and the exact machine serial number is provided before payment so there is no ambiguity about which unit ships.
Q: How long from order confirmation to container dispatch?
A: On stocked QT4-15 units, the period between order confirmation and container loading covers final inspection, voltage verification, dismantling, and crating. This is measured in working days rather than weeks. Once the container is sealed, the transit time to the destination port depends on the shipping line schedule and routing.
Q: Can you provide arrival estimates for my destination port?
A: Yes. Once the container is booked with the shipping line, the vessel name, departure date, and estimated arrival date are shared with the buyer. This allows the receiving team to arrange customs clearance, site preparation, and equipment for unloading in advance of the container reaching the port.
Q: Do you handle customs documentation and provide packing photographs before shipment?
A: Every shipment includes packing photographs showing the dismantling state, bracing, and container loading arrangement. Customs documentation support covers the commercial invoice, packing list, certificate of origin, and CE declaration where applicable. These documents are prepared per shipment and reviewed with the buyer before the container departs the port of loading.
