Description
Dispatch-ready specification match — The QT8-15 concrete block making machine in stock ships with confirmed pallet dimensions, power draw, and cycle timing so your site preparation starts the day the order is placed.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT8-15 |
| Product Type | Stationary Concrete Block Making Machine |
| Overall Dimensions (L×W×H) | 8300 × 1860 × 3000 mm |
| Total Mass | 9 T |
| Overall Power | 55.5 kW |
| Rated Pressure | 21 MPa |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 2800 – 4500 r/min |
| Vibration Force | 60 kN |
| Pallet Size | 950 × 900 mm |
| Molding Cycle | 15 – 25 s (basis to be confirmed by block format) |
| Demolding Method | Hydraulic |
| General Water Consumption | 12 T/Day |
| Factory Area Required | 600 m² |
| Control System | PLC with human-machine interface dialogue system |
| Feeding System | Semi-closed screen reticular rotational forced feeding unit |
| Vibration System | Dual vibration sources, frequency conversion and braking, vertical synchronous vibration |
| Automation Level | Fully automatic |
| Applied Products | Concrete blocks, hollow/solid blocks, pavers, interlocking blocks, curbstone, colored pavers |
| Raw Materials | Crushed stone, sand, cement, dust, fly ash, gravel, slag |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for housing projects | Crushed stone, sand, cement, fly ash blends |
| Solid block manufacturing for load-bearing walls | Gravel, sand, cement with local aggregate |
| Paving slab and colored paver runs | Sand, cement, pigment, fine aggregate |
| Interlocking block and kerbstone production | Slag, dust, cement, crushed stone mixes |
Why the Voltage Question Must Come Before Dispatch
Confirming site voltage and frequency before the QT8-15 concrete block making machine in stock leaves the factory prevents weeks of idle equipment on arrival.
I have watched entire construction sites stand still because a block machine arrived wired for a supply the local grid could not deliver. A transformer upgrade that takes three weeks to arrange is three weeks of lost production and idle labor. The QT8-15 draws 55.5 kW across its hydraulic, vibration, and feeding systems — that load profile must match the destination panel exactly, including frequency and phase configuration [NEED_CITE: voltage and frequency standards by export market]. When we lock the electrical schematic against your site survey before production starts, the machine powers up the same week it is unloaded.
Container Loading and Dispatch Sequence
The QT8-15 concrete block making machine in stock is dismantled into main frame, hydraulic station, vibration platform, and control cabinet for container loading. Overall dimensions of 8300 × 1860 × 3000 mm mean the press itself does not ship assembled — knowing which sub-assemblies ride in which container lets your receiving crew plan the unloading order and crane time before the truck arrives.
Arrival Timing You Can Build a Schedule Around
Stock status and dispatch lead time are quoted at inquiry, not after payment clears. The 9 T total mass and component breakdown determine whether one or two containers are required, and that decision shapes the freight booking window. Buyers working against a project completion date need the arrival estimate before they commit, not after [NEED_CITE: typical ocean freight transit windows by destination region].
Reading the Specs That Actually Shape Your Output
The 15 – 25 second molding cycle is a range, and where your product falls inside it depends entirely on block format, wall thickness, and mix design. A thin paver cycles faster than a deep-cavity hollow block, so daily output can only be calculated once the target format is fixed. The 21 MPa rated pressure and 60 kN vibration force work together — pressure compacts the mix while vibration settles aggregate into the mold cavity, and both must be matched to your local stone gradation for consistent block density. The 950 × 900 mm pallet size dictates your curing rack spacing and forklift tine width; ordering pallets or building racks without checking this dimension creates a bottleneck the machine itself cannot solve. The semi-closed screen reticular rotational forced feeding unit distributes material across the mold box each cycle, reducing density variation from one block to the next across a long production run.
What Wrong Configuration Costs on Site
When pallet size is chosen without checking the curing yard, blocks pile up on the press table because there is nowhere to move them, and the cycle time advantage disappears. A PLC display in a language the operator cannot read turns fault diagnosis into guesswork, extending every breakdown from minutes to hours [NEED_CITE: operator interface language requirements for industrial machinery exports]. Skipping the factory test record means the first production run on your site is also the first test run — with your raw materials and your deadline on the line.
Why Buyers Source This Machine Through Our Stock Channel
Every QT8-15 ships with its electrical schematic verified against your destination supply before the control cabinet is wired, not after. Machine, mold, pallet, and handling equipment are specified as a matched set from one source, so the pallet size, curing rack layout, and forklift requirements align from day one. Standard and custom mold formats are quoted with cycle time per block type, so the capacity number you plan around reflects the product you actually sell. Dispatch lead time is confirmed at inquiry stage with container loading details, letting you book freight and schedule the receiving crew in parallel.
Documentation & Verification
- Factory test record run on your specified block format before dispatch
- Hydraulic and electrical schematic matched to destination voltage and frequency
- Pallet specification sheet confirming size, material, and load rating
- Packing photographs showing component placement inside each container
- CE declaration included where applicable to destination market requirements
- Operation and maintenance manual with mold change and wear parts list
Installation, Commissioning & Support
- Foundation pad sized to 8300 × 1860 mm footprint with anchor bolt template provided
- Dedicated 55.5 kW supply circuit confirmed against local panel capacity before wiring begins
- Main frame, hydraulic station, and vibration platform reassembled on-site with supervised alignment
- PLC human-machine interface configured to operator language before first production run
- Mould change procedure trained on your specific block formats during commissioning week
- Wear parts list with hydraulic seal and vibration spring replacement intervals documented
What to Include in Your Inquiry
Send us your target block format with dimensions, daily output requirement, and local aggregate type so we can confirm the molding cycle and capacity calculation per product. Specify your site voltage, frequency, and preferred PLC display language to ensure the electrical package matches on arrival. If you have existing curing racks or forklifts, share the dimensions so pallet size and handling flow align with what is already on the ground.
Frequently Asked Questions
Q: Which QT8-15 units and standard molds are currently available for immediate dispatch?
A: Stock availability is confirmed at inquiry with specific mold formats listed. Dispatch lead time depends on whether the requested block mold is in stock or requires a production run. We quote the exact timeline before you commit so your project schedule stays intact.
Q: How is the QT8-15 dismantled for container loading and what ships separately?
A: The main frame, hydraulic station, vibration platform, and PLC control cabinet are separated for loading. Pallets and molds may ship in the same or a second container depending on quantity. A component-by-component packing list is provided so your receiving team plans unloading order in advance.
Q: What is the estimated arrival timeline once the order is placed?
A: Arrival depends on destination port, shipping line schedule, and customs clearance speed at your end. We confirm the dispatch date and estimated transit window at order stage so you can align site preparation, crane booking, and electrical contractor availability accordingly.
Q: Are standard molds included or ordered separately with their own lead time?
A: Mold inclusion depends on the stock package selected at inquiry. Standard block format molds may ship with the machine, while custom designs carry a separate production timeline. Each mold is quoted with its own cycle time so capacity planning reflects your actual product range.
Q: What documentation ships with the machine for customs clearance?
A: Each shipment includes the commercial invoice, packing list, bill of lading, and CE declaration where applicable. Factory test records and specification sheets are also provided. We confirm the exact document set required by your destination port before dispatch to avoid clearance delays.








