Description
Ready Stock Dispatch — this QT4-15 block machine is factory-tested with your target brick format before crating, not pulled from a catalog listing.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15 |
| Product Type | Hydraulic Block Making Machine |
| Overall Dimension | 7100 × 1600 × 2610 mm |
| Host Machine Dimension | 2800 × 1800 × 2550 mm |
| Rated Pressure | 16 MPa |
| Main Vibration Form | Platform Vibration |
| Vibration Frequency | 4600 r/min |
| Vibration Force | 40 kN |
| Pallet Size | 950 × 550 × 20/25 mm |
| Molding Cycle | 15–25 s |
| Overall Power | 27.5 kW |
| Host Machine Power | 19.2 kW |
| General Water Consumption | 4 T/day |
| Total Mass | 5 T |
| Motor | Siemens or ABB brand (configurable) |
| Control System | Siemens PLC with independently developed control program (customizable) |
| Hydraulic System | Double proportional hydraulic valve, Calyca or Youken brand |
| Output Capacity (Hollow Brick 390 × 190 × 190 mm) | 720–960 pcs/h (4 pcs/mold, 15–20 s cycle) |
| Output Capacity (Porous Brick 240 × 115 × 90 mm) | 2520–3360 pcs/h (14 pcs/mold, 15–20 s cycle) |
| Output Capacity (Standard Brick 240 × 115 × 53 mm) | 5930–6720 pcs/h (28 pcs/mold, 15–17 s cycle) |
| Warranty | 1 year for whole machine (excluding spare parts) |
| Assembly State | Stationary, requires installation |
| Certification | CE (implied, confirm with supplier) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for residential wall systems | Cement, sand, and crushed aggregate with 390 × 190 × 190 mm mold |
| Porous brick manufacturing for urban drainage projects | Cement and fine aggregate blend with 240 × 115 × 90 mm mold |
| Standard solid brick for load-bearing masonry | Cement, sand, and fly ash mix with 240 × 115 × 53 mm mold |
| Paving block and interlocking brick for landscaping | High-density aggregate and cement with custom mold format |
| On-site production for housing development contractors | Local aggregate and cement with format-specific cycle adjustment |
What "In Stock" Really Means Before You Wire the Deposit
A stocked QT4-15 block machine should leave the yard within days, not weeks, and it must carry a factory test record matched to your brick format.
I have watched buyers commit to a machine labeled "in stock," only to learn after payment that the supplier still needed to source the hydraulic valves and PLC panel. The dispatch window stretched from a few days into a multi-week wait while the project schedule slipped. When a contractor has a fixed completion date on a housing development, every week of machine delay compresses the curing time available before bricks reach the wall. [NEED_CITE: typical curing periods required before masonry blocks reach structural strength]
Dispatch Speed Without Cutting the Pre-Shipment Checks
When a buyer confirms a QT4-15 block machine order against available stock, the first step is running the machine with the buyer’s target brick format on the test floor. The press cycles through a full production run, and the actual molding time is recorded against the 15–25 second range listed in the specification. This confirms the Siemens PLC program is set correctly for the chosen format before the machine is dismantled for crating.
Container Loading and Dismantling Documentation
The host machine and supporting frame are separated for container loading, and each dismantled section is photographed before and after crating. These photographs form part of the shipping documentation package so the buyer can verify condition on arrival. Pallet dimensions of 950 × 550 mm are checked against the container width to confirm the loading plan, preventing delays at the port of departure. [NEED_CITE: standard container internal dimensions for industrial machinery loading]
How Pressure and Vibration Shape the Block You Actually Sell
The 16 MPa rated pressure and 40 kN vibration force work together on every cycle. The hydraulic press compresses the mix from above while the platform vibration at 4600 r/min settles the aggregate into the mold cavity. If vibration force is too low relative to the pressure, the block surface looks dense but internal voids remain, and the block fails a drop test at the construction site. If vibration is too high, the fine particles migrate to the surface, leaving a weak core. The double proportional hydraulic valve from Calyca or Youken allows the operator to tune pressure delivery across the cycle, matching the specific aggregate gradation the buyer sources locally. Pallet size at 950 × 550 mm dictates how many blocks are produced per cycle and must align with the curing rack spacing and the forklift tine width the buyer already operates.
The Cost of Skipping Voltage and Language Confirmation
A machine wired for 380V/50Hz arriving at a site running 440V/60Hz will trip breakers on the first startup attempt, and rewinding the Siemens or ABB motor on-site adds days to the commissioning schedule. The PLC display language, if left at factory default, forces operators to navigate menus in a language they cannot read, leading to incorrect cycle parameter adjustments. These are not theoretical problems — they happen on docks every month when the voltage and control confirmation step is skipped to save a few days of paperwork. [NEED_CITE: voltage and frequency standards by export market]
Why Buyers Source This Machine Here
Block machinery is the single production focus, so the QT4-15 is specified as a matched system with its mold, pallet, and handling equipment rather than assembled from separate suppliers. The configuration is set against the buyer’s actual mix design and local aggregate, not a generic catalog default. Molds are designed and supplied for the formats the buyer’s market sells, including custom drawings when standard formats do not match local building codes. Machines ship with a factory test record showing cycle times for the buyer’s specific brick format, not a generic capacity claim. Installation and commissioning support includes operator training so the crew can run the machine independently from the first production day.
Documentation & Verification
- Factory test record showing actual cycle times for your target hollow or solid brick format
- Container loading plan with dismantling photographs for the host machine and frame sections
- Voltage, frequency, and PLC display language confirmation document signed before dispatch
- Hydraulic and electrical schematic matching the installed Calyca or Youken valve configuration
- Packing list with CE declaration supporting customs clearance at destination port
Installation, Commissioning & Support
- Foundation pad must support the 5 T total mass across the 7100 × 1600 mm footprint with level tolerance
- Dedicated power circuit required for the 27.5 kW overall load with correct voltage and frequency match
- Host machine reassembled on-site with platform vibration alignment checked before first production cycle
- Siemens PLC parameters loaded with your confirmed brick format cycle times during commissioning
- Operator training covers mold change procedure and daily hydraulic system inspection routines
- Wear parts list provided with recommended reorder intervals for the 16 MPa hydraulic circuit
Preparing Your Inquiry
To confirm stock availability and get an accurate arrival estimate, share your target brick format and the daily output you need to hit your project deadline. Let us know the voltage and frequency at your site, along with the PLC display language your operators require. If you have existing pallets or curing racks, provide their dimensions so we can verify compatibility with the 950 × 550 mm pallet specification before dispatch.
Frequently Asked Questions
Q: What is the actual dispatch lead time from order confirmation to container departure?
A: Once the factory test is completed on your brick format and the voltage confirmation is signed, the QT4-15 block machine is dismantled and loaded into the container. Dispatch timing depends on current stock position and the test schedule, so confirm the exact window at the point of order.
Q: How do you verify the machine is genuinely in stock and not a catalog listing?
A: We provide a factory test record with photos and video of your specific machine running your target brick format. The record includes the serial number and actual cycle times measured during the test run.
Q: Can I get the factory test record with cycle times for my specific brick format?
A: Yes. Before dispatch, the machine runs a full production cycle using the mold for your chosen format — whether hollow, porous, or standard brick. The measured cycle time is documented and shared with you before the machine is crated.
Q: What is included in the container load — pallets, molds, and hydraulic oil?
A: The container load plan is confirmed with your order and typically includes the host machine, mold, and pallets. Hydraulic oil and additional spare parts may be listed separately, so verify the packing list before shipment to avoid surprises at customs.
