Description
Single-focus configuration — pallet, power and PLC language confirmed against the buyer’s site before the QT4-18 leaves the factory, eliminating arrival-day surprises.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-18 |
| Product Type | Automatic Block Making Machine |
| Overall Dimensions (L×W×H) | 2500×1750×2200mm |
| Rated Pressure | 16MPa |
| Vibration Form | Platform Vibration |
| Pallet Size | 950×550mm |
| Molding Cycle | 18-25s (basis to be confirmed per block format) |
| Overall Power | 27.5kW |
| Control System | PLC with frequency converter, human-machine interface |
| Electrical Components | Schneider |
| Mould Lifting Mechanism | Double-sided synchronous gears |
| Material Feeder System | Hopper, feeding box, feeding platform, conveyor system |
| Block Receiver | Frame, conveyor system, idler wheels with motor, reducer, triangle belt |
| Automation Level | Automatic (hydro-cylinder pallet feeder, automatic demould, product transfer) |
| Voltage & Frequency | Configurable (to be confirmed before order) |
| PLC Display Language | Configurable (to be confirmed before order) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production | Crushed stone, river sand, cement, fly ash |
| Solid block production | Coarse aggregate blends with cement binder |
| Paving block production | Fine aggregate and pigment mixes |
| On-site contractor use | Local sand and gravel sourced near project location |
| Multi-format plant expansion | Interchangeable moulds for various masonry formats |
Why the Arrival Date Matters More Than the Quote Date
A block machine that ships late cancels the construction schedule it was bought to serve.
Contractors and distributors working to fixed project milestones often receive a QT4-18 automatic block making machine in stock confirmation only to discover that container booking, customs documentation and inland transport add weeks to the promised date. I have seen project penalties triggered because the machine arrived after the foundation crew had already moved on. The dispatch conversation needs to happen before the commercial one [NEED_CITE: typical project penalty clauses for delayed equipment arrival].
Dispatch Readiness and Container Loading
Units designated as available from stock are inspected, pallet-matched and prepared for dismantling before the buyer confirms the order. The QT4-18 is broken down into mainframe, hydraulic station, control cabinet and feeder assembly, each secured for ocean transit. Container loading plans showing weight distribution and lashing points are shared with the buyer before the doors are sealed, so the receiving team knows exactly how to unload at destination.
Lead Time Transparency for Deadline-Driven Buyers
A realistic departure date accounts for factory testing, voltage re-configuration if needed, and inland haulage to the port. The QT4-18 automatic block making machine in stock still requires a pre-dispatch cycle: hydraulic pressure verification at 16MPa, PLC language setting, and pallet alignment check on the 950×550mm platform. Quoting arrival without these steps creates false confidence. We provide a timeline that separates factory days from shipping days, so the buyer can overlay it directly onto the project Gantt chart [NEED_CITE: ocean freight transit time variability by route].
Electrical and Control Confirmation Before Dispatch
Voltage, frequency and HMI display language are the three most common causes of commissioning delay once the machine lands. A QT4-18 configured for 380V/50Hz arriving at a 440V/60Hz site cannot start production until a transformer or motor swap is arranged locally. Confirming these parameters in writing before production — not after packing — is the single most effective step to protect the arrival schedule.
How Vibration, Pressure and Pallet Size Shape Daily Output
Platform vibration combined with 16MPa rated hydraulic pressure determines how densely aggregate particles pack inside each mould cavity. Higher vibration amplitude fluidises the mix, while hydraulic pressure consolidates it from above; if either is mismatched to the local aggregate gradation, blocks emerge with inconsistent strength. The 950×550mm pallet size defines how many blocks form per cycle and must align with the buyer’s existing curing racks and forklift dimensions. A pallet that does not fit the curing area forces double-handling, which erodes the cycle time advantage the machine was bought to deliver. The double-sided synchronous gear mould lifting mechanism keeps the mould box level during extraction, reducing edge chipping on hollow and paving formats.
The Cost of Skipping the Pre-Dispatch Checklist
When voltage is assumed instead of confirmed, the control cabinet may trip breakers on first power-up, requiring an electrician visit before any blocks are produced. When pallet size is chosen without checking the forklift tine width, pallets cannot be moved to the curing yard and output piles up beside the press. When the PLC display language is left in default, operators rely on guesswork during fault conditions, extending downtime from minutes to hours [NEED_CITE: common PLC fault codes and operator response time]. These are not warranty issues — they are specification gaps that could have been closed before shipment.
Why Source This Machine Through a Stock-Oriented Workflow
Block machinery is the only product line, so the QT4-18 is specified together with its moulds, pallets and handling equipment as a matched set rather than assembled from separate suppliers. Dispatch timing is quoted with the container loading plan, not just a production completion date. Voltage and control language are locked in writing before the machine enters final assembly. Factory test records are issued per block format the buyer intends to run. Packing photographs are shared before the container is sealed, giving the buyer visual confirmation of what is on the water.
Documentation & Verification
- Machine specification sheet with confirmed pallet size and power rating
- Factory test record run on buyer’s target block format
- Voltage and PLC display language confirmation document signed before assembly
- Container loading plan with weight distribution and lashing detail
- Packing photographs shared prior to container door seal
- Customs documentation and packing list for destination port clearance
Installation, Commissioning & Support
- Foundation pad sized to 2500×1750mm footprint with anchor bolt template provided
- Dedicated 27.5kW circuit with confirmed voltage and frequency at the main breaker
- Mainframe, hydraulic station and control cabinet reassembled on-site per dismantling sequence
- Hydraulic pressure set to 16MPa and platform vibration calibrated to buyer’s mix design
- PLC language and frequency converter parameters verified before first production run
- Operator training on mould change procedure using the double-sided synchronous gear mechanism
- Wear parts list covering mould liners, pallet guides and hydraulic seals for first reorder
What to Include in Your Inquiry
Provide the block format you intend to produce most frequently, the daily volume your project or market requires, and the local aggregate type you plan to use. Confirm your site voltage, frequency and preferred PLC display language so the QT4-18 automatic block making machine in stock can be configured before dispatch. Share your curing area dimensions and existing forklift specifications so the 950×550mm pallet is validated against your handling setup.
Frequently Asked Questions
Q: Which QT4-18 units are currently available and how fast can they ship?
A: Stock status covers the mainframe, hydraulic station and standard mould set. Dispatch timing depends on pre-shipment configuration — voltage, frequency, PLC language and pallet matching — which typically takes several working days. Container booking adds transit lead time that varies by destination port, so the total timeline is quoted per order rather than published as a fixed number.
Q: How is the QT4-18 dismantled and loaded into a container?
A: The machine is separated into mainframe, hydraulic station, control cabinet and feeder assembly. Each component is bolted or strapped to the container floor with weight distributed across axles. A loading plan with lashing points is shared with the buyer before departure, and packing photographs document the condition of every item at the time the container doors are closed.
Q: What electrical parameters must be confirmed before the machine leaves the factory?
A: Voltage, frequency and PLC display language must be confirmed in writing before final assembly. A mismatch in any of these will prevent commissioning on arrival. The overall power draw of 27.5kW requires a dedicated circuit, so the buyer’s electrician should verify breaker capacity and cable sizing at the site before the machine is shipped.
Q: What supporting equipment ships with the machine and what is ordered separately?
A: The QT4-18 ships with its pallet feeder, block receiver conveyor and the mould set specified in the order. Mixers, belt conveyors, curing racks and automatic stacking systems are quoted as line items. Confirming which supporting items are needed before dispatch ensures the container is loaded with a complete production cell rather than a standalone press.
Q: How is arrival timing estimated once the machine is dispatched?
A: Arrival timing depends on the port of loading, destination port, shipping line schedule and customs clearance speed at destination. We provide the estimated sea transit window based on the booked vessel and share the bill of lading as soon as it is issued. Inland transport from the destination port to the site is the buyer’s responsibility unless arranged in advance.
