Description
Matched System Delivery — QT4-15A block machine, mixer, stacker and pallet feeder ship together in one 20ft container, eliminating split-shipment delays.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15A |
| Product Type | Fully Automatic Hollow Block Making Machine |
| Overall Dimensions | 7100×1700×2610 mm |
| Main Vibration Form | Platform vibration |
| Vibration Frequency | 4600 r/min |
| Exciting Power (Vibration Force) | 35.5 KN |
| Rated Hydraulic Pressure | 16 MPa |
| Pallet Size | 900×500×25 mm |
| Molding Cycle | 15–20 s (basis not stated in source — confirm block format, material and thickness) |
| Total Power | 25.7 kW |
| Automation Level | Fully automatic |
| Line Configuration | Main block machine, mixer, belt conveyor, automatic stacker, automatic pallet feeder, batching plant, cement silo |
| Voltage | 380V / 3-phase / 50Hz (customizable) |
| Container Loading | Complete line in one 20ft container |
| Mould System | Exchangeable moulds |
| Warranty | 1 year (excluding wearing parts) |
Application Suitability
| Application | Material or Output |
|---|---|
| Housing development on-site block production | Hollow blocks and solid blocks from local crushed stone, sand and cement |
| Building material import and distribution | Standard hollow blocks, solid blocks and road pavers for regional resale |
| First block plant setup by entrepreneurs | Full product range from a single container-load line |
| Concrete product manufacturer expanding formats | Pavers and kerbstones using exchangeable moulds on existing aggregate supply |
What "Ready to Ship" Actually Means for Your Project Timeline
Stock status must be confirmed in writing before the order is placed, with an exact dispatch date and container booking reference.
Buyers working to a project deadline often receive quotations that say "available" without a firm loading date. I have seen contractors lose weeks because a machine described as in stock was actually in the final assembly stage, pushing the vessel booking into the next sailing cycle. For the QT4-15A automatic block machine in stock, we confirm the specific unit serial number, share packing photographs before the container is sealed, and quote the dispatch lead time upfront. [NEED_CITE: typical ocean freight transit times by destination region]
One Container, One Bill of Lading, One Arrival Date
The entire QT4-15A line — main press, mixer, belt conveyor, automatic stacker, pallet feeder, batching plant and cement silo — loads into a single 20ft container. This means one bill of lading, one customs entry and one arrival date at your port. When line components ship separately, a delay to one container can leave the rest of the equipment sitting on your site unable to run. A fully automatic block machine in stock that ships as a single container load removes that coordination risk entirely.
Dispatch Lead Time Quoted Before You Commit
Once stock is allocated, we provide the container loading schedule and the estimated sailing date before the contract is signed. Buyers on tight construction deadlines need to map machine arrival against their project milestones. Vague promises of "fast delivery" do not survive contact with a port congestion notice. We give you the loading date, the vessel name once booked, and the expected arrival estimate for your destination port so you can plan installation crews and raw material procurement around a known timeline. [NEED_CITE: container booking and dispatch coordination for industrial machinery exports]
How Hydraulic Pressure and Vibration Force Shape Block Density
The QT4-15A pairs a 16 MPa rated hydraulic pressure with platform vibration at 4600 r/min producing 35.5 KN of exciting force. In concrete block forming, hydraulic pressure compresses the mix into the mould cavity while vibration settles the aggregate particles and removes air voids. If vibration force is high but hydraulic pressure is low, blocks leave the mould with a loose surface. If pressure is high but vibration is weak, the mix does not flow fully into the mould corners. These two values must be matched to the buyer’s specific mix design and local aggregate grading to produce consistent block density across every cycle.
Pallet Size and Curing Area Must Align Before Shipment
The pallet dimension of 900×500×25 mm determines the block layout per cycle, the curing rack spacing, and the forklift tine width needed to move stacked pallets. Buyers who select a pallet size without checking their existing curing area dimensions often find that standard racking does not fit, or that their forklift cannot handle the loaded pallet weight. Confirm your curing rack slot width and forklift capacity against these pallet dimensions before the machine leaves the factory, because changing pallet size after arrival means changing the entire downstream handling setup.
Molding Cycle Depends on Block Format and Mix
The 15–20 second molding cycle figure depends on the block format being produced, the thickness of the wall, and the moisture content of the mix. A thin solid paver will demould faster than a tall hollow block with deep cores. When calculating daily output, state which block format you are basing the figure on. A cycle time quoted without its format assumption will overstate real production once you switch to the formats your market actually buys.
What Happens When Voltage Confirmation Is Skipped
Arriving at site to find the motor nameplate reads 380V/50Hz while the local supply is 440V/60Hz means the machine cannot be commissioned until a transformer or a full motor swap is arranged. I have watched a block line sit idle for over a week because the voltage was assumed rather than confirmed in writing before production. The QT4-15A voltage is customizable, but the confirmation must happen during the order stage, not after the container is sealed. [NEED_CITE: voltage and frequency standards by export market]
Why a Single-Source Line Beats Assembled Components
When the press, mixer, pallet feeder and stacker come from different suppliers, cycle time mismatches appear during commissioning — the press waits for pallets, or the stacker cannot keep up with output. The QT4-15A line components are specified as one matched system. The belt conveyor speed, pallet feeder timing and stacker lift rate are set against the press cycle so each station feeds the next without bottleneck. This is difficult to achieve when you assemble a line from separate quotations.
Why Procure From This Source
Block machinery is our single focus, so the QT4-15A machine, moulds, pallets and handling equipment are configured as one integrated system rather than pulled from unrelated catalogues. We set the configuration against your actual mix design and target block format, not a default spec sheet. Standard moulds for hollow blocks, solid blocks and pavers ship from stock alongside the machine. Voltage, PLC display language and control parameters are confirmed against your site electrical standard before dispatch. Packing photographs and a complete container loading plan are shared before the container leaves the yard.
Documentation & Verification
- Factory test record showing cycle timing on your specified block format before dispatch
- Voltage and control language confirmation sheet matching your country electrical standard
- Container loading plan with component checklist and packing photographs
- Hydraulic and electrical schematic for on-site troubleshooting
- Operation and maintenance manual with mould change procedure
- CE declaration included with export documentation package
Installation, Commissioning & Support
- Foundation must support 7100×1700 mm footprint with level tolerance for platform vibration alignment
- 25.7 kW total power requires a dedicated three-phase circuit at confirmed voltage and frequency
- Line components arrive dismantled for 20ft container loading with reassembly guide provided
- First run includes mould alignment, hydraulic pressure setting and vibration frequency calibration
- Operator training covers PLC controls, mould change sequence and daily maintenance checkpoints
- Wearing parts list including seal kits, vibration motor carbon brushes and mould springs included
What We Need To Confirm Your Dispatch Date
To allocate a QT4-15A from stock and give you a firm loading schedule, send us the block formats you plan to produce, the destination port for arrival estimation, and your site voltage and frequency. If you have existing curing racks or forklifts, share their dimensions so we can verify pallet compatibility before the container is booked.
Frequently Asked Questions
Q: Is the QT4-15A in stock and when can it ship?
A: We confirm stock status with a specific unit serial number and provide the dispatch lead time before you commit. Once allocated, the container loading date and estimated sailing schedule are shared in writing so you can plan your site preparation and installation crew around a known timeline.
Q: What block formats are available from stock moulds?
A: Standard mould inventory covers common hollow block, solid block and road paver formats. If your market requires a specific dimension not in the standard range, custom moulds can be produced to your drawings. We confirm which moulds ship with the machine before the container is loaded.
Q: Can I see packing photographs before the container is sealed?
A: Yes. We take and share photographs of every line component during packing, along with the container loading plan. This lets you verify that the mixer, stacker, pallet feeder, batching plant and all ancillary items are on board before the container leaves the yard.
Q: What is the estimated arrival time to my port?
A: Transit time depends on the destination region and current sailing schedules. Once the vessel is booked, we provide the expected arrival estimate for your specific port so you can arrange customs clearance and inland transport in advance.
Q: What documents are included for customs clearance?
A: The shipment includes a commercial invoice, packing list, bill of lading, CE declaration where applicable, and a certificate of origin if required by your import regulations. All documents are prepared to match the customs entry requirements of your destination country.
