Description
Stocked Configuration — every QT8-15 leaving our yard is tested against the buyer’s actual pallet size, local voltage and target block format before it clears the gate.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT8-15 |
| Product Type | Fully Automatic Hydraulic Block Making Machine |
| Overall Dimensions (L×W×H) | 8300×1860×3000 mm |
| Total Mass | 9 T |
| Rated Pressure | 21 MPa |
| Main Vibration Form | Platform vibration |
| Vibration Frequency | 2800–4500 r/min |
| Vibration Force | 45 kN |
| Pallet Size | 950×900 mm |
| Molding Cycle | 15–25 s (basis not stated in source) |
| Overall Power | 55.5 kW |
| Demolding Method | Hydraulic |
| Factory Area Required | 500 m² |
| Control System | Computer-controlled, fully automatic |
| Voltage & Frequency | Configurable to target market |
| Automation Level | Fully automatic |
| Warranty | 1-year guarantee for the whole machine |
| Certification | CE, ISO 9001 |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production | Crushed stone, sand, cement, fly ash |
| Solid block manufacturing | Gravel, sand, cement, slag |
| Paving block and colored paver output | Fine aggregate, cement, pigment |
| Interlocking block and kerbstone forming | Crushed stone, sand, cement, dust |
Why the Arrival Date Matters More Than the Quoted Cycle Time
Buyers in a hurry often fixate on molding cycle numbers, but a QT8-15 block machine in stock means nothing if it sits at port while a transformer is sourced. The dispatch window, container loading plan and voltage confirmation together determine when the press actually makes its first block on your site.
Stock status plus correct electrical configuration decides your real commissioning date, not the cycle time on a spec sheet.
I once watched a QT8-15 sit in a European yard for three weeks because the voltage was quoted at 380V when the site ran 400V. The transformer had to be air-freighted while aggregate piled up outside the shed. [NEED_CITE: voltage and frequency standards by export market] That delay cost more than any discount on the press itself.
Dispatch Lead Time and Container Loading
When a buyer asks how soon a QT8-15 block machine in stock can ship, the answer depends on two things: whether the standard mould set is already paired to the press, and whether the electrical cabinet has been wired to the destination voltage. A machine sitting in the yard with a generic 380V panel still needs a full day of rewiring and re-testing before it can be dismantled for container loading.
What "In Stock" Actually Covers
A stocked QT8-15 means the press frame, hydraulic station and vibration platform are assembled and factory-tested. Standard moulds for hollow and solid blocks are typically on the shelf. However, custom paving moulds, interlocking block dies and kerbstone tooling are manufactured to order, which adds lead time. Buyers who confirm their full format list early avoid discovering mid-project that the mould they need most is the one still in production. [NEED_CITE: typical mould manufacturing lead times for custom block formats]
Pressure, Vibration and Block Density
The 21 MPa rated hydraulic pressure and 45 kN vibration force on the QT8-15 work together to compact aggregate into a consistent matrix. Higher pressure alone does not guarantee stronger blocks; the platform vibration at 2800–4500 r/min is what settles fine particles into voids before the hydraulic head applies full tonnage. When both values are matched to the buyer’s mix design, the result is a block that meets compressive strength targets without over-cementing.
Pallet Size and Curing Area Compatibility
The 950×900 mm pallet dictates how many blocks ride on each board and how those boards stack in the curing area. If the buyer’s existing forklift tines or curing racks were sized for a different pallet, the whole handling chain breaks down. Confirming pallet dimensions against the curing layout before the machine ships prevents a situation where boards pile up on the floor because they do not fit the rack.
The Cost of Skipping the Electrical Checklist
Arriving at site to find the control cabinet does not match local supply is the single most expensive oversight in block machine procurement. Rewiring a 55.5 kW system is not a quick fix — it involves replacing contactors, adjusting the PLC power supply and re-validating safety circuits. [NEED_CITE: CE machinery directive requirements for industrial equipment] The downtime burns through project margins far faster than a day spent confirming voltage and frequency before the container doors close.
Why Buyers Source This Machine Here
Block machinery is our single focus, so the QT8-15 is specified as one matched system — press, mould, pallet and handling — rather than assembled from unrelated suppliers. Configuration is set against the buyer’s actual mix design and target format, not a catalogue default. Standard moulds and hydraulic wear parts ship with the machine so the first replacement cycle does not stall production. Installation support includes operator training on the specific PLC language chosen for the site. Dispatch lead times are quoted with the container loading plan included, so the arrival estimate is realistic from day one.
Documentation & Verification
- Factory test record run on your specified block format before the QT8-15 leaves the shop
- Machine specification sheet listing confirmed voltage, frequency and PLC display language
- Mould drawing and format list covering every die included in the shipment
- CE declaration and ISO 9001 certificate matching the exported serial number
- Packing photographs showing dismantling and bracing inside the container
Installation, Commissioning & Support
- Foundation pad sized to the 8300×1860 mm footprint with anchor bolt template provided
- Dedicated 55.5 kW circuit with correct breaker rating for the confirmed voltage and frequency
- Press reassembled on site with hydraulic lines flushed and platform vibration re-calibrated
- PLC display language and control parameters verified against operator preference at startup
- Standard mould change procedure demonstrated with the buyer’s maintenance crew present
- Wear parts list with part numbers supplied so first reorder can be placed immediately
What We Need From You to Confirm Availability
Tell us which block formats your market sells most and the daily volume you need to hit. Share the site voltage, frequency and preferred PLC language so the electrical cabinet is wired correctly before dispatch. If you already have curing racks and forklifts, send the dimensions so we can confirm the 950×900 mm pallet fits your handling chain.
Frequently Asked Questions
Q: Which QT8-15 models and standard moulds are currently in stock?
A: Standard QT8-15 presses with hollow and solid block moulds are typically available for near-term dispatch. Paving, interlocking and kerbstone moulds are manufactured to order based on your format drawing, which adds lead time. Confirm your full mould list early so we can quote an accurate dispatch date for the complete set.
Q: What is the dispatch lead time and how is the machine loaded into the container?
A: A stocked QT8-15 with standard moulds and confirmed electrical configuration can be dismantled and container-loaded within a typical multi-week window. The press frame, hydraulic station and moulds are braced separately inside the container. We provide a loading plan and packing photographs before the container leaves the yard.
Q: When will the machine arrive at my port?
A: We quote an estimated arrival date based on the confirmed dispatch date, the destination port and current sailing schedules. The estimate is provided before you commit, so you can plan foundation work and raw material deliveries around a realistic timeline rather than guessing at transit duration.
Q: What voltage and frequency configurations are available from stock?
A: Stocked QT8-15 units may carry a default electrical configuration. Before dispatch, the cabinet is rewired and re-tested to match your site voltage and frequency. PLC display language is also set at this stage. Confirming these details early avoids a multi-week delay at commissioning.
Q: Are spare moulds and hydraulic wear parts shipped with the machine?
A: A standard wear parts kit is included with every QT8-15 shipment, covering high-wear hydraulic seals and vibration components. Additional moulds are listed separately so you can order spares at the same time as the press. This ensures replacements are on hand when the first change-out is due.








