Description
Rapid dispatch readiness — this semi-automatic stationary block machine ships with pallet, mould, and electrical specs locked in before the crate leaves our yard, so site arrival timing stays on schedule.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QTJ4-24 |
| Product Type | Stationary Block Making Machine |
| Overall Dimensions (L×W×H) | 3600×1700×2560 mm |
| Pallet Size | 850×450 mm |
| Molding Cycle | 24–26 s (basis not stated in source — confirm block format / material / thickness) |
| Overall Power | 11.95 kW |
| Vibration Force | 45 kN |
| Total Mass | 2 T |
| Molding Method | Mechanical |
| Vibration Configuration | 2×3 kW lower vibrators + 2×1.5 kW upper vibrators |
| Reducer Type | 350-type (for mold lifting) |
| Material Distribution | Full-automatic spiral |
| Materials | Cement, sand, stone |
| Control System | PLC (detail not specified — confirm before order) |
| Voltage & Frequency | Configurable — confirm local grid before dispatch |
| Automation Level | Semi-automatic |
| Mould Format Options | Hollow block, paving brick (specific formats to confirm) |
| Output Capacity | Basis to be confirmed per block format and shift length |
| Warranty | 1 year for whole machine (excluding spare parts) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for single-storey housing projects | Cement, crushed stone, sand |
| Paving brick runs for driveway and walkway contractors | Cement, fine aggregate, stone dust |
| On-site block production for remote construction sites | Locally sourced sand and gravel with Portland cement |
| First plant setup for building material entrepreneurs | Standard cement-sand-stone mixes at semi-automatic throughput |
Why Voltage Confirmation Must Happen Before the Container Is Sealed
A stationary block machine in stock can ship within days, but an electrical mismatch turns a quick arrival into a weeks-long standstill on site.
Buyers working to a project deadline often focus on dispatch dates and container loading, leaving the voltage and frequency question for later. I have seen machines arrive in Latin America wired for 380V 50Hz while the local grid ran 220V 60Hz — the press sat idle under a tarp while a step-up transformer was sourced locally, and the contractor lost most of a month on a schedule that had no slack. [NEED_CITE: voltage and frequency standards by export market]. The QTJ4-24 draws 11.95 kW across its vibration motors and spiral feeder, so rewinding or replacing motors on arrival is not a simple swap. Locking in your site’s electrical spec at order stage — not after production — is what keeps a fast delivery actually fast.
Dispatch Timing and What "In Stock" Actually Means
When we list a stationary block machine in stock, it means the QTJ4-24 press, pallets, and standard mould set are assembled and factory-tested, not sitting in parts waiting for a production slot. Dispatch lead time is quoted at the point of order confirmation, alongside the container loading plan. The 2-tonne total mass and 3600×1700×2560 mm frame dimensions allow the machine to be dismantled into sections that fit a standard 20-foot container, with pallets and moulds loaded alongside. Buyers receive packing photographs before the container doors close.
Arrival Planning from Port to Project Site
The value of a quick-dispatch machine disappears if the buyer has no forklift or curing area ready when it arrives. The 850×450 mm pallet size needs to match the curing racks or ground space the buyer already has — ordering pallets that are too large for an existing forklift or too small for the curing yard layout creates a bottleneck no amount of machine speed can fix. [NEED_CITE: pallet handling and curing area planning for block plants]. We confirm pallet dimensions and material against the buyer’s site conditions before dispatch, so the first production run can start without reconfiguring the downstream setup.
Vibration Force, Pallet Size, and What They Mean for Block Density
The QTJ4-24 delivers 45 kN of vibration force through four independent vibrators — two 3 kW units below the mould and two 1.5 kW units above. This upper-and-lower vibration arrangement compacts the concrete mix from both directions, which matters for hollow block wall thickness consistency. The mechanical molding method with spiral material distribution keeps the system simpler than full hydraulic lines, meaning fewer hydraulic hoses and seals to stock as spares. The 350-type reducer handles mould lifting, a component that rarely requires attention in semi-automatic operation. The 24–26 second molding cycle applies to a specific block format and mix that must be confirmed — a thinner paving brick will cycle differently than a 200 mm hollow block, and quoting daily output without that context leads to disappointment on the production floor.
What Happens When Electrical Specs Are an Afterthought
A machine configured for the wrong voltage does not simply underperform — it either fails to start or burns out the vibration motors within the first shift. For buyers importing into regions with mixed grid standards, the 11.95 kW overall power draw means a voltage mismatch affects not just the press but also any connected pallet feeder or mixer on the same circuit. The cost of a local transformer is small compared to the project delay penalties a contractor faces when block supply stops. [NEED_CITE: CE machinery directive requirements for industrial equipment]. Confirming the exact voltage, frequency, and PLC display language at order stage removes the single largest cause of post-arrival downtime.
Why Buyers Working to Deadlines Source Here
Block machinery is our only product line, so the QTJ4-24 is specified as a matched system — press, mould, pallet, and handling — not assembled from unrelated suppliers. We confirm the buyer’s local aggregate and target block format before locking the configuration, avoiding costly material substitutions after arrival. Standard mould formats are stocked, and custom mould design to buyer drawings is available when the market demands a specific shape. Dispatch lead time and arrival estimates are quoted upfront at order, not revised after production begins. Every machine ships with a factory test record covering the buyer’s confirmed block format.
Documentation & Verification
- Factory test record showing the confirmed block format before dispatch
- Voltage, frequency, and PLC language confirmation sheet signed at order
- Mould drawing and format list matched to your local market products
- Pallet specification cross-checked against your curing area and forklift
- Container loading plan with packing photographs before shipment
- Hydraulic and electrical schematic for on-site troubleshooting
Installation, Commissioning & Support
- 3600×1700 mm footprint requires a level concrete pad with drainage clearance
- 11.95 kW total power needs a dedicated circuit matching confirmed voltage and frequency
- Machine dismantles into sections for container loading and reassembles on-site with basic tools
- PLC language set to operator preference before dispatch to avoid commissioning delays
- First-run parameter tuning covers vibration timing and spiral feed rate for your confirmed mix
- Wear parts list covers vibrator mounts, reducer seals, and spiral flight edges
Before You Request a Quote
To give you a meaningful dispatch date and arrival estimate, we need to know your local grid voltage and frequency, the specific block format your market sells, and your site’s curing area layout. If you already have forklifts or pallet racks on site, share their specifications so we can match the 850×450 mm pallet to your existing handling equipment.
Frequently Asked Questions
Q: Is the QTJ4-24 currently in stock or built to order, and what is the dispatch lead time?
A: The QTJ4-24 is a stocked model with standard moulds available for quick dispatch. Lead time is quoted at order confirmation and depends on electrical configuration and any custom mould requirements. We provide packing photographs and the container loading plan before the shipment leaves our facility.
Q: How is the machine dismantled and loaded into a container, and what arrives on site?
A: The 2-tonne machine is broken down into main frame sections, vibration assembly, and mould unit for standard 20-foot container loading. Pallets and moulds ship alongside. You receive the complete press with all components needed to reassemble and begin production after basic on-site setup.
Q: Which voltage and frequency configurations are available from stock?
A: Standard configurations cover common industrial voltages. We confirm your exact site voltage, frequency, and PLC display language before final wiring, because shipping the wrong electrical spec is the most frequent cause of post-arrival delays for imported machinery.
Q: What block formats does the standard mould package cover, and are additional moulds stocked?
A: Standard moulds cover hollow block and paving brick formats. Additional moulds for interlocking brick or solid block are available and can be stocked alongside the main order. Each mould format has a different molding cycle, so we confirm output per format rather than quoting a single number.
Q: How long from order to arrival at the buyer’s port?
A: Transit time depends on the destination port and shipping line schedule. We quote the estimated arrival date at order stage so you can plan site preparation, foundation work, and operator availability around a known delivery window rather than guessing.
