Description
Stock and readiness — machines built and held for fast container loading, so the QTJ4-24 leaves the assembly bay without waiting for a new production slot.
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 |
| Overall Power | 11.95 kW |
| Vibration Force | 45 kN |
| Total Mass | 2 T |
| Molding Method | Mechanical |
| Vibrator Configuration | 2×3 kW lower vibrators + 2×1.5 kW upper vibrators |
| Material Distribution | Full-automatic spiral |
| Reducer for Mold Lifting | 350-type |
| Automation Level | Semi-automatic (mechanical molding, spiral feeding) |
| Mould Format Options | Hollow bricks, interlocking bricks, paving bricks, solid bricks |
| Output Capacity | Basis to be confirmed — depends on block format |
| Mould Change Time | Basis to be confirmed |
| Voltage & Frequency | Configurable before dispatch |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow brick production for residential wall construction | Cement, sand, crushed stone mix |
| Interlocking brick manufacturing for pavement and landscaping | Cement and fine aggregate blend |
| Solid brick output for load-bearing masonry | Cement, sand, stone with standard grading |
| Paving brick production for walkways and driveways | Cement and coarse aggregate mix |
| Small to medium block plant startup | Local raw material sources with cement binder |
What "In Stock" Actually Means for Your Project Timeline
A stocked QTJ4-24 Stationary Block Machine in stock for fast delivery skips the production queue and moves straight to container loading.
When a contractor is working backward from a project handover date, every week of factory build time eats into the construction schedule. I have seen buyers commit to a machine based on a quoted cycle count, only to discover the lead time alone pushed their first production day past the milestone they were contracted to hit. A stationary block machine in stock that is already assembled and tested removes that variable entirely. The question then shifts from "when will it be built" to "how fast can we load it and which vessel catches it." [NEED_CITE: typical container transit windows from Chinese ports to Middle East and African destinations]
How the Dispatch Sequence Works Once You Confirm
Once the voltage, frequency, and control language are locked in, the QTJ4-24 stationary block machine in stock moves to the packing bay. The machine is partially dismantled to fit the container profile, with the main frame, vibrator assembly, and spiral feeder separated and secured against movement during ocean transit. Each component is photographed before crating, and those images are shared with the buyer as a dispatch record. This is the stage where a buyer working to a deadline needs clarity — not a vague "soon" but a specific container number and vessel name.
Why Container Loading Deserves Your Attention Before Shipment
The QTJ4-24 weighs 2 tonnes and stands over 2.5 meters tall in its assembled state, which means it will not walk into a standard container upright. The dismantling plan determines whether you receive the machine in one 20-foot unit or need a 40-foot box, and that decision directly affects your freight cost and arrival window. [NEED_CITE: container loading standards for industrial machinery exceeding 2.5 m height] I have watched a buyer at the destination port discover that their forklift could not reach the main frame inside the container because the loading plan assumed equipment they did not have. Confirming the unloading method at your end before the crate is sealed avoids that kind of costly standstill.
Reading the Specs That Actually Matter on the Floor
The 24–26 second molding cycle governs how many pallets the press completes in a shift, but the real daily output depends on which block format sits in the mould. A hollow block with three cores draws more material per cycle and may push the spiral feeder harder than a thin paving brick, so the same cycle time produces a different piece count. The 45 kN vibration force comes from a dual layout — two 3 kW lower vibrators and two 1.5 kW upper vibrators — which compacts the mix from both directions and reduces the weak layers that show up when vibration is applied only from the base. The 850×450 mm pallet size must match the curing racks and forklifts already on site; ordering a machine without checking that dimension against your existing handling equipment creates a bottleneck the press itself has nothing to do with. The 350-type reducer on the mould lifting mechanism is sized for continuous shift work and reduces the frequency of gear-related downtime that smaller reducers tend to introduce after a few months of operation.
The Cost of Skipping the Pre-Shipment Checks
When voltage and frequency are not confirmed before the machine leaves the factory, the buyer arrives at commissioning to find the motor windings do not match the local grid. I dealt with a shipment last year where the control panel was wired for a frequency the destination country does not use, and the machine sat idle while replacement contactors were air-freighted at the buyer’s expense. [NEED_CITE: electrical grid standards by export market for industrial equipment] The same logic applies to the PLC display language — if the operator cannot read the fault codes, every minor alarm becomes a phone call instead of a button press. These are not engineering problems; they are paperwork problems that cost weeks.
Why Buyers Source This Model From the Assembly Floor
Block machinery is the only thing this operation builds, so the QTJ4-24 is specified as a matched system — press, mould, pallet, and handling — rather than assembled from unrelated suppliers. The machine configuration is set against the buyer’s actual mix design and local aggregate, not pulled from a catalogue default. Mould design covers the formats the buyer’s market actually sells, including custom drawings when a local specification demands a non-standard block. The automation level is selectable, meaning a buyer can start with the semi-automatic spiral feed and mechanical press, then add automatic stacking later without replacing the core machine. Installation support includes operator training at the site, which matters when the workforce has not run a block press before.
Documentation & Verification
- Factory test record run on your specified block format before the crate is sealed
- Machine specification sheet listing pallet size, vibration force, and motor ratings
- Voltage and control language confirmation document signed off before dispatch
- Packing photographs showing each dismantled component inside the container
- Hydraulic and electrical schematic matching the as-built configuration
- Operation and maintenance manual with wear parts and mould replacement list
Installation, Commissioning & Support
- Foundation pad must support the 2-tonne mass and 45 kN dynamic vibration load without flexing
- Dedicated power circuit rated for 11.95 kW continuous draw with correct voltage and frequency
- Dismantled components reassembled on site following the factory packing sequence and photographs
- First-run molding cycle verified against 24–26 second target with the buyer’s local mix
- Operator training covers spiral feeder adjustment, mould change procedure, and vibrator tuning
- Wear parts list and mould spares shipped with the machine to cover the first replacement window
What to Prepare Before You Request a Dispatch Date
Send the target block format with dimensions, the local voltage and frequency at your site, and a sample of the aggregate you plan to run. If you already have curing racks and forklifts, share the pallet dimensions they accept so the 850×450 mm pallet is verified against your handling setup before the machine is loaded. The more complete this information is at the inquiry stage, the faster the dispatch date can be confirmed without revision cycles.
Frequently Asked Questions
Q: Is the QTJ4-24 currently in stock, and how long from order to dispatch?
A: The QTJ4-24 is held as a stationary block machine in stock for fast delivery, meaning it bypasses the standard production queue. Once voltage, frequency, and block format are confirmed, the machine moves to packing and container loading. The exact dispatch date depends on the next available vessel booking from the port, which is confirmed at the time of order placement.
Q: How is the machine loaded into a container, and will I need special equipment to unload?
A: The QTJ4-24 is partially dismantled — main frame, vibrator assembly, and spiral feeder separated — to fit the container profile. A loading plan with photographs is provided before the container is sealed. You should confirm your forklift capacity and container access at the destination before shipment so the unloading method matches what you have on the ground.
Q: Can voltage and frequency be matched to my local grid before the machine ships?
A: Yes. Voltage and frequency are confirmed during the order process and the motor windings and control panel are set accordingly before the QTJ4-24 leaves the factory. This step is non-negotiable in the dispatch sequence because arriving with the wrong electrical configuration causes multi-week delays that no amount of on-site adjustment can fix quickly.
Q: Are spare wear parts included with the first shipment?
A: A wear parts and mould list is prepared for each dispatch, and the recommended first-replacement set can ship inside the same container. This avoids a situation where the machine is running but a worn vibrator mount or spiral blade forces a production halt while you wait for an air-freighted part.
Q: What is the estimated arrival time once the container is on the water?
A: Transit time depends entirely on the destination port and the vessel routing selected at booking. A stationary block machine in stock for fast delivery shortens the pre-shipment phase, but the ocean leg follows standard shipping line schedules. Your freight forwarder or our logistics desk can quote the transit window once the port of discharge is confirmed.
