Description
Stock-and-Delivery Focus — QTJ4-40 Semi-Automatic Block Machine available in our Linyi warehouse with standard moulds pre-assembled, voltage matched to your local grid, and container loading planned before you pay the balance.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QTJ4-40 |
| Product Type | Semi-Automatic Concrete Block Making Machine |
| Rated Power | 10.4 kW |
| Voltage & Frequency | Configurable to buyer’s local standard (basis to be confirmed) |
| Control System | Semi-automatic with top die push/pull and automatic scraper |
| Overall Dimensions (L×W×H) | 1350 × 1460 × 1800 mm |
| Net Weight | 1 T |
| Molding Cycle | 40 s |
| Pallet Size | 850 × 450 mm |
| Vibration System | Bed mould vertical vibration + upper mould compression vibration |
| Theoretical Productivity (400×200×200 mm hollow block, 4 pcs/mould) | 360 pcs/hour, 2800 pcs/day (basis stated) |
| Theoretical Productivity (400×150×200 mm hollow block, 5 pcs/mould) | 450 pcs/hour, 3600 pcs/day (basis stated) |
| Theoretical Productivity (225×112.5×60 mm solid brick, 9 pcs/mould) | 800 pcs/hour, 6400 pcs/day (basis stated) |
| Raw Materials | Concrete, sand, cement, fly ash, lime, gypsum |
| Key Features | Semi-automatic operation, vertical vibration with upper compression, quick mould change design |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site housing project block production | Hollow blocks from crushed stone, sand, and cement |
| Startup block plant with limited capital | Solid bricks and hollow blocks using locally available aggregates |
| Contractor restocking standard semi-automatic inventory | Fly ash or gypsum-based masonry units |
| Paving and kerbstone small-batch runs | Concrete pavers from graded aggregate and cement |
Why Voltage Confirmation Must Happen Before Dispatch
Every QTJ4-40 block machine in stock ships with its transformer and control wiring matched to your confirmed grid standard.
I once watched a job site in Dhaka sit idle for three weeks because a semi-automatic block machine arrived wired for a voltage the local grid could not supply. The crew had the mixer running, pallets stacked, and cement bags opened — but the press itself would not energise. A mismatched transformer is not a small oversight; it costs you crane rental, idle labour, and credibility with your project owner [NEED_CITE: voltage and frequency standards by export market]. When a buyer needs a QTJ4-40 block machine in stock delivered fast, the electrical check is the single step that prevents the most expensive delay at the other end.
Stocked Models and What "Ready to Ship" Actually Means
When we list a QTJ4-40 block machine in stock, it means the press, vibration table, top die assembly, and control panel are fully assembled in our Linyi facility — not sitting as a pile of sub-components waiting for a purchase order. Standard moulds for 400×200×200 mm hollow blocks and 225×112.5×60 mm solid bricks are matched and test-cycled before crating. If your project requires a different format, a stocked mould swap adds a short lead, which we quote at inquiry stage so your shipping window stays intact.
Container Loading and Dismantling for Ocean Freight
The QTJ4-40 weighs one tonne and stands 1800 mm tall, which means it fits a standard 20-foot container without dismantling the main frame — but the top die, scraper mechanism, and mould assembly are pulled and secured separately to prevent transit damage. We provide packing photographs before the container doors close, so you know exactly how the QTJ4-40 concrete block making machine is braced and what you will see when the container is unsealed at your port [NEED_CITE: container loading practices for heavy industrial machinery].
How Cycle Time and Pallet Size Affect Your Real Daily Count
The 40-second molding cycle produces one pallet of blocks per stroke, and the pallet size of 850 × 450 mm dictates how many blocks sit on each pallet depending on the format. For a 400×200×200 mm hollow block in a 4-cavity mould, each cycle yields 4 blocks; for a 225×112.5×60 mm solid brick in a 9-cavity mould, each cycle yields 9. These are theoretical figures — your actual daily output depends on operator speed during pallet exchange, raw material feeding consistency, and whether your curing area can absorb the pace. The pallet size also determines whether your existing forklift and curing racks are compatible, so we confirm this before the machine leaves the floor.
Choosing the Wrong Configuration Before It Reaches Your Port
Ordering a QTJ4-40 block machine in stock without confirming pallet size against your curing infrastructure means your crew could be hand-carrying blocks off undersized pallets because your forklift tines do not match the rack spacing. Skipping the voltage confirmation risks the transformer mismatch I described earlier. Ignoring the control language setting leaves your operator staring at fault codes they cannot read, turning a ten-minute fix into a half-day shutdown. These are not engineering failures — they are specification failures that happen entirely before the machine is bolted to the ground [NEED_CITE: common commissioning delays in imported block machinery].
Why Procurement Through This Channel Reduces Dispatch Risk
We keep QTJ4-40 units and standard moulds as stocked inventory rather than building to order, so your lead time is measured in days to container, not weeks of fabrication. Voltage and frequency are confirmed in writing before the control panel is wired, eliminating the Dhaka-style grid mismatch. Pallet size is checked against your curing layout before packing, so the machine arrives as a matched system. Factory test records on your target block format accompany the shipment. Customs documentation is prepared in parallel with loading, avoiding clearance hold-ups at your port of entry.
Documentation & Verification
- Factory test record cycling your specified block format before crating
- Voltage and frequency confirmation sheet signed off before panel wiring
- Pallet dimension drawing matched to your curing rack spacing
- Packing photographs showing container bracing before door closure
- Customs clearance documentation set prepared alongside shipment
- CE declaration provided where applicable to your import market
Installation, Commissioning & Support
- Foundation pad sized to 1350 × 1460 mm footprint with vibration isolation
- Dedicated 10.4 kW circuit at confirmed voltage, separate from mixer supply
- Top die and scraper reassembly on site with alignment check
- First-cycle parameter setting for your local aggregate and mix ratio
- Operator walk-through of semi-automatic controls and mould change procedure
- Wear parts list covering vibration pads, scraper blades, and hydraulic seals
Sending the Right Details With Your Inquiry
To lock a dispatch date, share your target block format and the daily volume your site needs to sustain. Provide your local voltage and frequency, the control panel language your operators read, and the pallet dimensions your curing area currently accepts. If you have existing mixers or pallet feeders upstream, list their throughput so the QTJ4-40 cycle time is matched to the line. The more specific your inquiry, the fewer confirmations sit between your order and the container doors closing.
Frequently Asked Questions
Q: Is the QTJ4-40 currently in stock, and what is the dispatch lead time?
A: QTJ4-40 semi-automatic units with standard hollow block and solid brick moulds are kept as stocked inventory in our Linyi facility. Once voltage, frequency, and pallet size are confirmed in writing, dispatch to port typically follows within days rather than weeks. Exact lead time is quoted at inquiry based on your confirmation readiness and container availability.
Q: How is the machine packed for container shipment, and what is the arrival estimate?
A: The main frame ships intact inside a standard 20-foot container, with the top die assembly and mould secured separately to prevent transit damage. We provide packing photographs before loading. Ocean transit time depends entirely on your destination port and shipping line schedule, which we quote alongside the dispatch date.
Q: Can voltage and frequency be matched to my country before the machine ships?
A: Yes — voltage and frequency are confirmed in writing before the control panel is wired. This step is non-negotiable in our dispatch process. We match the transformer, motor windings, and control circuit to your local grid standard so the machine energises on arrival without waiting for a replacement component.
Q: What standard moulds are stocked and ready to ship with the machine?
A: Standard stocked moulds include 400×200×200 mm hollow block (4-cavity) and 225×112.5×60 mm solid brick (9-cavity). Additional formats may require a short mould preparation lead, which we state at inquiry stage. All stocked moulds are test-cycled on the machine before packing to verify dimensional output.
Q: What customs and shipping documents are provided with the order?
A: Each shipment includes a commercial invoice, packing list, bill of lading, and CE declaration where applicable to your market. We prepare these documents in parallel with container loading to avoid clearance delays at your port. Additional certificates or attestations required by your importing country are discussed and confirmed before dispatch.
