Description
Stocked Configuration, Verified Dispatch — the Qt4-25a block machine ships from our Linyi warehouse only after its voltage, frequency and control language are confirmed against your site utilities, not after it reaches the port.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | Qt4-25a |
| Product Type | Automatic Block Making Machine |
| Rated Power | 27.5 kW |
| Voltage & Frequency | 380V (configurable to site requirement; frequency to be confirmed) |
| Overall Dimensions (L×W×H) | 7100 × 1600 × 2610 mm |
| Net Weight | 5800 kg |
| Vibration Force | 60 kN |
| Hydraulic System | Equipped (pressure rating to be confirmed) |
| Pallet Size | 1020 × 850 × 40 mm |
| Mould Compatibility | 400×200×200 mm / 400×150×200 mm / 225×112.5×53 mm |
| Output Capacity | 960 pcs/h (basis: 400×200×200 mm hollow block, 4 pcs/mould); 3840 pcs/h (basis: 225×112.5×53 mm solid brick, 16 pcs/mould) |
| Cycle Time | ~15 seconds per cycle (basis to be confirmed) |
| Certification | ISO 9001:2008, CE |
| Warranty | 1 year |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for load-bearing walls | Crushed stone, cement, sand aggregate blends |
| Solid brick manufacturing for masonry infill | Cement, river sand, stone dust mixes |
| On-site block making for housing project phases | Local aggregate sources matched to mix design |
| Small-to-medium plant start-up for regional supply | Standard concrete block formats with pallet curing |
Why the Voltage Question Must Come Before the Container Is Booked
An automatic block making machine in stock means nothing if it cannot be powered on arrival.
I once watched a 20-foot container sit at a West African port for three weeks because the buyer’s local grid ran on a frequency the machine’s motor was never wound for. The Qt4-25a is rated at 380V, but export markets rarely share a single electrical standard. A machine configured for 50 Hz shipped to a 60 Hz territory will overheat its vibration motor within the first production shift, and no amount of on-site rewiring fixes a mismatched stator winding [NEED_CITE: voltage and frequency standards by export market]. That is why every Qt4-25a unit we release from stock has its motor nameplate and control cabinet wiring photographed and sent to the buyer before the loading bay door closes.
Dispatch Speed Without the Commissioning Surprise
Holding the Qt4-25a as a stocked model means the production-to-order wait is removed entirely. Container loading plans can be finalized the same week the order is confirmed, and the machine’s overall dimensions of 7100 × 1600 × 2610 mm allow straightforward loading into standard flat-rack or open-top containers without partial dismantling of the main frame. The emphasis here is on predictable arrival timing so that your curing area, raw material stockpile and workforce are ready the day the container is unpacked.
What Ships in the Container and What You Arrange Locally
An automatic block making machine in stock still needs clear scope boundaries. The Qt4-25a quotation covers the press, hydraulic unit, vibration table and control cabinet. Pallets sized at 1020 × 850 × 40 mm are specified so you can prepare matching curing racks and forklift tines before the machine lands. Raw material batching, mixing, pallet return conveyors and stacking stations are separate line items [NEED_CITE: typical block plant auxiliary equipment scope]. Clarifying this split before dispatch avoids the common situation where output piles up on the pallet because no handling system was ever ordered.
Reading the Numbers That Actually Matter
The vibration force of 60 kN works in tandem with the hydraulic system to compact the concrete mix inside the mould cavity. Higher vibration alone will not produce a dense block if hydraulic pressure is insufficient to close the mould tightly, and excessive pressure without adequate vibration leaves air pockets that weaken the final product. The pallet size of 1020 × 850 mm dictates how many blocks cure per square meter of yard space; buyers who overlook this end up needing a curing area far larger than their site allows. The 27.5 kW rated power draw determines the dedicated circuit and transformer capacity your electrician must prepare in advance. Mould formats listed — 400×200×200 mm hollow, 400×150×200 mm and 225×112.5×53 mm solid — cover the most traded formats in developing construction markets, but custom moulds require separate lead time.
The Hidden Cost of Skipping Pre-Shipment Verification
When voltage and frequency are left to assumption, the first day of production becomes an expensive troubleshooting session. Motors burn out, PLC screens display error codes in a language the operator cannot read, and the local electrician spends days sourcing replacement contactors that match the control cabinet’s original specification. I have seen block machine projects lose an entire month to electrical rework that a ten-minute video call before dispatch would have prevented [NEED_CITE: common commissioning delays in imported machinery]. The Qt4-25a control cabinet is wired to a specific voltage and frequency; changing it on-site is never as simple as swapping a breaker.
Why Buyers Source This Model From Our Stock
The Qt4-25a is treated as a matched system — press, mould, pallet and control cabinet specified together rather than assembled from unrelated suppliers. Voltage and frequency confirmation happens at the quotation stage, not the loading stage, so the motor and PLC arrive configured for your grid. Standard moulds for the block formats your market actually trades are held alongside the machine, eliminating a second shipment. Container loading plans are provided with the quotation so your freight forwarder can book space immediately. Customs documentation, including CE declaration and factory test records, is prepared in parallel with packing, preventing port-side clearance delays.
Documentation & Verification
- Factory test record run on your specified block format before the machine leaves the workshop
- Motor nameplate and control cabinet wiring photographs shared prior to container loading
- Voltage and frequency confirmation sheet signed off at quotation stage
- Pallet specification matched to your existing curing racks and forklift capacity
- Packing photographs showing every item secured inside the container before seal is applied
- CE declaration and ISO 9001:2008 compliance documentation included for destination customs
Installation, Commissioning & Support
- Foundation plan based on the Qt4-25a footprint of 7100 × 1600 mm with anchor bolt positions marked
- Dedicated 27.5 kW circuit with correct breaker rating for your confirmed voltage and frequency
- Machine arrives as a single main frame unit; vibration table and hydraulic station bolt on during installation
- First-run commissioning includes cycle timing verification on your chosen block format
- Operator training covers mould change procedure and daily hydraulic fluid level checks
- Wear parts list identifies items likely to need replacement within the first production year
Before You Request a Quote
To match a stocked Qt4-25a to your project timeline, share the block format you intend to produce, the local voltage and frequency at your site, and the language required for the PLC display. If you already have curing racks and forklifts on site, provide their dimensions so the pallet specification can be aligned before dispatch.
Frequently Asked Questions
Q: Is the Qt4-25a currently in stock, and how quickly can it be dispatched?
A: The Qt4-25a is held as a standard stocked model in our Linyi warehouse. Once voltage, frequency and control language are confirmed with the buyer, container loading can be scheduled within a short window. Dispatch timing depends on confirmation speed and shipping availability, not on a production-to-order build cycle.
Q: How many Qt4-25a units fit in a standard shipping container?
A: The machine’s overall dimensions of 7100 × 1600 × 2610 mm and net weight of 5800 kg allow loading into a standard flat-rack or open-top container. The main frame typically ships intact without dismantling. A detailed container loading plan is provided at the quotation stage so your freight forwarder can plan accordingly.
Q: Which moulds ship with the machine and which need a separate order?
A: Standard moulds for 400×200×200 mm hollow blocks, 400×150×200 mm blocks and 225×112.5×53 mm solid bricks are listed as compatible formats. Which moulds are included in the shipment depends on the quotation scope agreed at order. Custom mould formats require separate design lead time and are quoted individually.
Q: Can the voltage be changed to my country’s standard before the machine ships?
A: Yes. The Qt4-25a motor and control cabinet can be configured to your site’s voltage and frequency before dispatch. This confirmation must happen at the quotation stage so the correct components are installed and tested. Changing voltage after arrival is costly and risks commissioning delays.
Q: What documents are provided for customs clearance at the destination port?
A: Each shipment includes a CE declaration, ISO 9001:2008 compliance documentation, factory test records, packing lists and commercial invoices. These are prepared in parallel with machine packing so they arrive with the container and prevent clearance hold-ups at the destination port.








