Description
Matched system supply — this QT4-16 block machine in stock ships with pallet, mould and hydraulic unit specified together, so the line arrives ready to run rather than waiting on mismatched components.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-16 |
| Product Type | Automatic Hydraulic Concrete Block Making Machine |
| Overall Dimensions | 7400×1950×2800 mm |
| Rated Pressure | 21 MPa |
| Main Vibration Form | Platform Vibration |
| Vibration Frequency | 2800–4500 r/min |
| Vibration Force | 40 kN |
| Pallet Size | 900×550 mm |
| Molding Cycle | 15–20 s (basis to be confirmed) |
| Demolding Method | Hydraulic |
| Total Mass | 5 T |
| Factory Area | 600 m² |
| Control System | PLC intelligent control with man-machine interface, malfunction diagnosis and remote control function |
| Applied Products | Concrete hollow/solid blocks, pavers, interlocking blocks, curbstone, colored pavers |
| Raw Material | Crushed stone, sand, cement, dust, fly ash, gravel, slag |
| Voltage & Frequency | Configurable before dispatch (basis to be confirmed) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for building walls | Crushed stone, sand, cement, fly ash |
| Solid block manufacturing for load-bearing structures | Gravel, sand, cement blends |
| Paving block and colored paver runs | Fine aggregate with pigment additives |
| Interlocking brick and curbstone forming | Slag, dust, cement mixtures |
Why the Voltage Question Must Come Before Dispatch
Confirming electrical standards before container loading prevents weeks of idle equipment on site.
I once tracked a shipment of hydraulic block machines to a West African project site where the local grid ran at a different voltage and frequency than the factory default. The machines sat under tarps while a transformer was sourced and installed, pushing the contractor’s schedule back by weeks and burning through project buffers. A QT4-16 block machine in stock can leave the warehouse quickly, but speed means nothing if the motor cannot energize on arrival. [NEED_CITE: voltage and frequency standards by export market]
The QT4-16 Automatic Hydraulic Concrete Block Making Machine is configurable for different electrical environments, yet that configuration must be locked during the order stage. The PLC display language, motor winding specification and control panel labeling all follow from that single decision.
Stock Availability and Container Loading Planning
Buyers working against a project deadline need to know what is physically ready to ship. The QT4-16 block machine in stock status means the main press frame, hydraulic station and PLC cabinet are assembled and factory-tested, not waiting on a production queue. Standard moulds for common hollow and solid block formats are typically held alongside the machine, allowing a single container to carry the press and its initial tooling together.
Dispatch planning includes dismantling the machine into shipping sections that fit standard container dimensions. The 7400 mm overall length requires careful orientation and bracing. Loading photographs are taken before the container doors close, giving the buyer a visual record of how the QT4-16 Automatic Hydraulic Concrete Block Making Machine is secured for ocean freight.
Arrival Timing and Port-to-Site Logistics
Once the container is sealed, transit time depends on the shipping lane and destination port congestion. Buyers should factor in customs clearance duration and inland transport from the port to the block yard. [NEED_CITE: typical ocean freight transit windows by region]
Reading the Specs That Actually Shape Production
The 21 MPa rated hydraulic pressure works in tandem with the 40 kN platform vibration to compact the concrete mix into the mould cavity. Higher pressure alone does not guarantee block strength; the vibration frequency range of 2800–4500 r/min ensures the mix settles densely before the hydraulic head applies full force. If the local aggregate is coarse or the sand grading is uneven, the vibration amplitude and duration may need adjustment to achieve consistent density across every cycle.
The 900×550 mm pallet size defines how many blocks sit on each board and, critically, whether the buyer’s existing curing racks and forklifts can handle the loaded pallets. Ordering a machine without checking pallet compatibility often leads to manual offloading and stacking, which erodes the output advantage of the press itself.
The PLC control with malfunction diagnosis allows the operator to identify hydraulic or sensor faults directly from the interface screen rather than calling for external troubleshooting. The remote control function can further reduce response time when a technical question arises during the first production runs.
What Happens When Configuration Is Skipped
A machine that arrives with the wrong voltage specification sits idle until a transformer or motor swap is arranged. A pallet size that does not match the curing yard forces the buyer to rebuild shelving or handle blocks manually. A mould inventory that covers only one format limits the product range the plant can sell from day one. [NEED_CITE: CE machinery directive requirements for industrial equipment]
These are not engineering failures; they are specification oversights that surface only after the container is opened.
Why Source This Machine Here
Block machinery is the sole product focus, which means the QT4-16 press, its moulds, pallets and handling accessories are specified as a matched set rather than assembled from unrelated suppliers. Configuration is set against the buyer’s actual mix design and local aggregate, not a generic catalogue default.
Standard mould designs cover the block formats that sell in most markets, and custom mould drawings can be produced when a project calls for a non-standard format. Automation level is selectable, so a buyer can begin with semi-automatic pallet handling and add automatic stacking later. Installation support includes on-site commissioning and operator training so the first production run happens under guidance, not trial and error.
Documentation & Verification
- Factory test record showing the QT4-16 running on the buyer’s specified block format before crating
- Mould drawing and format list confirming cavity count and block dimensions per order
- Hydraulic and electrical schematic matching the dispatched voltage and frequency configuration
- Packing photographs documenting bracing and container loading of the QT4-16 machine sections
- Operation and maintenance manual in the confirmed PLC display language
Installation, Commissioning & Support
- Foundation slab must support the 5 T total mass across the 7400×1950 mm footprint with level tolerance
- Dedicated power circuit matching confirmed voltage and frequency must be energized before commissioning
- Hydraulic station is filled and bled on site; first cycle tests the 21 MPa pressure against the actual mould
- PLC malfunction diagnosis system is walked through with operators during the initial production shift
- Pallet handling layout is verified against the 900×550 mm pallet and the buyer’s existing curing rack spacing
- Wear parts list covers hydraulic seals and vibration springs with recommended reorder intervals
What to Share With Your Inquiry
To confirm QT4-16 block machine in stock availability and match the configuration to your project, provide the target block format and daily output requirement, the local voltage and frequency standard, and the raw materials available at your site. If you have existing curing racks or forklifts, share the dimensions so pallet compatibility can be verified before the order is finalized. Mention whether the PLC display language needs to match a specific operator group.
Frequently Asked Questions
Q: What standard moulds ship with the QT4-16 block machine in stock?
A: Standard mould inventory typically covers common hollow block and solid block formats. Specific cavity counts and dimensions depend on current stock at the time of order. Buyers should confirm the exact mould list during the quotation stage so the right tooling loads into the same container as the machine.
Q: How long does dispatch take once the order is confirmed?
A: Stocked QT4-16 units can be prepared for container loading within a typical multi-week window after voltage, frequency and mould selection are finalized. Dismantling, bracing and loading photographs are completed before the container is sealed. Exact timing depends on the confirmed configuration and port scheduling.
Q: How are voltage, frequency and PLC language confirmed before shipping?
A: The buyer provides the local electrical standard and preferred display language during the order process. The motor, control panel and PLC program are set accordingly, and the electrical schematic in the documentation package reflects those settings. This confirmation step is mandatory before crating begins.
Q: What is the on-site commissioning process for the QT4-16?
A: After the machine sections are reassembled on the foundation slab, the hydraulic system is filled and tested at rated pressure. The PLC interface is verified, mould alignment is checked, and the first production cycle runs under supervision. Operator training covers daily startup, mould change procedure and fault diagnosis through the PLC screen.
Q: How are replacement moulds and wear parts supplied after installation?
A: A wear parts and mould list is included in the documentation package, identifying hydraulic seals, vibration springs and other consumables. Replacement orders are processed through the same supply channel as the original machine, with lead times quoted at the time of request to keep the production line running without extended downtime.
