Description
Stocked availability for deadline projects — QT4-18 units held ready for container loading with dispatch lead times quoted before the order is placed, so site schedules stay intact.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-18 |
| Product Type | Hydraulic Automatic Hollow Block Making Machine |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 0–60 Hz |
| Vibration Force | 45 kN |
| Molding Cycle | 18–25 s |
| Pallet Size | 900 × 500 mm |
| Demolding Method | Hydraulic |
| Control System | PLC with interlocking electric-hydraulic procedures |
| Automation Level | Automatic |
| Output Capacity (400×200×200 mm hollow block) | 799 pcs/hour, 6,399 pcs/8 hr based on 18 s cycle, 4 pcs/mould |
| Output Capacity (400×150×200 mm hollow block) | 999 pcs/hour, 7,999 pcs/8 hr based on 18 s cycle, 5 pcs/mould |
| Output Capacity (240×115×52 mm solid brick) | 5,199 pcs/hour, 41,599 pcs/8 hr based on 18 s cycle, 26 pcs/mould |
| Block Format Compatibility | Hollow blocks, paving bricks, solid bricks, curb stones, sod bricks, multicellular bricks, color face bricks |
| Warranty | 1 year for whole machine (excluding spare parts) |
| Voltage & Frequency | Configurable to target market (basis to be confirmed before order) |
| CE Declaration | Applicable (verify for specific order configuration) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for housing projects | Crushed stone, sand, cement blends |
| Paving block manufacturing for roads and yards | Aggregate-cement mixes with color face layer |
| Solid brick runs for load-bearing walls | Standard concrete mix designs |
| Curb stone and kerb production | Coarse aggregate with hydraulic compaction |
| On-site block making for construction contractors | Local quarry sand and gravel |
| First-plant entrepreneurs entering block market | Readily available raw materials, mid-tier investment |
What the Arrival Timeline Really Depends On
A QT4-18 block machine in stock only shortens the first half of the timeline. The arrival date you can rely on is the one that accounts for container loading, customs documentation, and voltage confirmation done before dispatch.
I have watched a mid-tier hydraulic block machine sit in a yard in Nairobi for weeks because the industrial voltage at the site did not match the motor nameplate. The machine itself had shipped on schedule. The delay came from a detail that should have been settled at the inquiry stage [NEED_CITE: voltage and frequency standards by export market]. Fast delivery stationary block machine orders only protect your project timeline when the pre-shipment checklist covers the electrical and control specifics of the destination, not just the production slot at the factory.
Dispatch Readiness Beyond the Factory Gate
Stock availability is the starting conversation, not the finish line. When a buyer in Zambia or Kenya needs a QT4-18 block machine in stock, what actually matters is whether the unit can be dismantled for a standard container, whether the packing plan matches the vessel schedule, and whether the arrival estimate is provided at the quotation stage. Our role at the ordering phase is to give you a container loading plan and a realistic port-to-port window so you can coordinate your foundation work and curing area around a date that holds.
Electrical and Control Confirmation Before Crating
Every QT4-18 fast delivery stationary block machine order requires written confirmation of three items before it leaves the workshop: supply voltage, power frequency, and PLC display language. Skipping this step is the single most common cause of commissioning delay once the machine reaches site [NEED_CITE: CE machinery directive requirements for industrial equipment]. We treat the electrical specification sheet as a mandatory checkpoint, not a paperwork afterthought, because a machine that cannot start on day one costs more than any shipping premium.
Reading the Numbers That Matter
Platform vibration at 0–60 Hz and 45 kN force shape the block density directly. Higher vibration frequency compacts finer aggregates more effectively, while the hydraulic demolding system ensures the green block releases from the mould without corner damage. The 18–25 s molding cycle applies across hollow block, paving brick, and solid brick formats, though actual output depends on the block size seated in the mould — a 4-cavity hollow block mould yields a different hourly count than a 26-cavity solid brick mould. The 900 × 500 mm pallet size must align with the curing racks and forklift the buyer already operates; specifying a pallet that the existing handling equipment cannot carry creates a bottleneck the press itself never caused. PLC interlocking between the electric and hydraulic circuits prevents out-of-sequence operation, reducing operator error during continuous production runs.
When the Wrong Specification Ships
A machine configured without checking the local aggregate forces the buyer to import a mix design that the nearby quarry cannot supply. The press runs, but block strength falls outside the range the market accepts, and returns pile up at the gate [NEED_CITE: concrete block compressive strength testing standards]. Similarly, a pallet size chosen without regard to the curing area means wet blocks stack on the ground because the racks do not accept the pallets, turning an automatic line into a manual handling operation. These are not warranty issues — they are specification gaps that no amount of on-site adjustment can close after the container is unpacked.
Why Buyers Place the Order Here
Block machinery is the single product focus, so the QT4-18 press, moulds, pallets, and handling equipment are specified as one matched system rather than sourced from separate vendors. Stocked models and standard moulds are confirmed at the inquiry stage with a dispatch lead time quoted in writing. Container loading plans show exactly how the machine is dismantled and braced, so the buyer knows what to expect at the port. Voltage, frequency, and PLC language are locked down before production, not discovered at commissioning. Factory test records and customs documentation travel with the shipment to clear import procedures without a second round of paperwork.
Documentation & Verification
- Capacity calculation sheet stating the block format and cycle time assumed for the QT4-18
- Voltage, frequency, and PLC display language confirmation signed before production
- Factory test record run on the buyer’s specified block format
- Machine specification sheet with hydraulic and electrical schematics
- Packing photographs showing dismantling and container loading arrangement
- CE declaration where applicable to the destination market
Installation, Commissioning & Support
- Foundation pad sized to the QT4-18 footprint and vibration load
- Dedicated electrical circuit matching the confirmed voltage and frequency
- Machine reassembly from container-dismantled state with bolt-torque sequence
- First-run parameter setting on the PLC for the buyer’s block format and cycle
- Operator training covering mould change, pallet feeding, and hydraulic safety
- Wear parts list matched to the local supply conditions for replacement planning
What to Include in Your Inquiry
Send the block format your market sells, the daily output you need, and the local aggregate available at your site. Include your site voltage, frequency, and preferred PLC display language so the fast delivery stationary block machine order moves straight to confirmation without a round of electrical clarification.
Frequently Asked Questions
Q: Which QT4-18 units and moulds are currently in stock, and how soon can they dispatch?
A: Stocked QT4-18 machines and standard block moulds are confirmed at the inquiry stage. Dispatch lead time depends on the electrical and control configuration required for your market. Once voltage, frequency, and PLC language are confirmed in writing, the container loading plan and port departure estimate follow. We quote the arrival window before the order is placed.
Q: How is the machine dismantled for container loading, and what arrival estimate should I plan around?
A: The QT4-18 is dismantled into major assemblies that fit a standard shipping container. Packing photographs show the bracing and securing method before the container is sealed. An arrival estimate covering port-to-port transit is provided at the quotation stage so you can schedule foundation work, curing area preparation, and electrical connection around a known date.
Q: What voltage, frequency, and PLC language will be confirmed before the machine ships?
A: Supply voltage and power frequency must match your site’s industrial electrical system. The PLC display language is set to your operator’s preference. All three are confirmed in writing before production begins. This prevents the situation where a machine arrives and the motor starter trips because the nameplate and the local grid do not agree.
Q: Which block formats do the standard moulds produce, and are custom moulds available?
A: Standard moulds cover hollow blocks, paving bricks, solid bricks, curb stones, and other formats listed in the specification table. Custom moulds can be designed to buyer drawings for formats the local market requires. Mould compatibility with the QT4-18 platform vibration and hydraulic demolding system is verified before the mould enters production.
Q: What documentation arrives with the shipment for customs clearance?
A: The shipment includes the machine specification sheet, factory test record, packing list, commercial invoice, and CE declaration where applicable. Hydraulic and electrical schematics are provided for local inspection requirements. Customs documentation support is part of the dispatch package so that import clearance proceeds without requesting additional paperwork after the vessel arrives.
