Description
Matched Control System — Vibration frequency, hydraulic pressure and PLC logic are tuned as one integrated package rather than adjusted separately after arrival.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT7-15 |
| Product Type | Full Automatic Hollow Block Machine |
| Pallet Size | 1150 x 700 mm |
| Molding Cycle | 15-20 s (basis not stated in source — confirm block format / material / thickness) |
| Overall Power | 45 kW |
| Vibration Force | 100 kN |
| Vibration Frequency | 0-60 Hz (adjustable) |
| Vibration Form | Platform Vibration |
| Total Mass | 8 T |
| Demolding Method | Hydraulic |
| Control System | PLC intelligent control with touch screen |
| Remote Diagnostics | Available (advanced control system for remote control and fault diagnosis) |
| Output Capacity | 1260-1680 pcs/h (based on 400x200x200 mm hollow block, 7 pcs/mould, 15-20 s cycle) |
| Output Capacity | 1440-1920 pcs/h (based on 400x150x200 mm hollow block, 8 pcs/mould, 15-20 s cycle) |
| Output Capacity | 3888-4860 pcs/h (based on 200x100x60 mm rectangular brick, 27 pcs/mould, 20-25 s cycle) |
| Component Configuration | Pallet feed machine, block making machine, storage hopper, conveyor, hydraulic unit, PLC control cabinet |
Application Suitability
| Application | Material or Output |
|---|---|
| 400x200x200 mm hollow block production | Cement, crushed stone, sand, fly ash blends |
| 400x150x200 mm hollow block production | Lightweight aggregate and standard concrete mixes |
| 200x100x60 mm rectangular paver production | High-strength concrete with fine aggregate |
| Multi-format block manufacturing | Interchangeable moulds on a single pallet size |
| High-capacity automatic plant operation | Continuous shift production with PLC-controlled consistency |
What "1260 Pieces per Hour" Actually Means on the Floor
The number only holds when your mix design, block format and cycle time all align with the test conditions.
I have seen buyers sign off on a capacity figure, then discover their local aggregate carries a high clay content that absorbs vibration energy differently. The automatic hollow block machine PLC controlled setup then needs parameter re-tuning across pressure, frequency and hold time before the blocks meet strength requirements. Without that adjustment window built into the PLC, you lose production days while an engineer travels to site [NEED_CITE: common commissioning delays from aggregate variability].
The QT7-15 stores process recipes so once the correct parameters are found, every shift runs the same values.
Storing Recipes Instead of Guessing
A PLC-controlled system removes the reliance on a single experienced operator who knows the sound of a good press cycle. The touch screen interface on the QT7-15 allows supervisors to save vibration frequency, hydraulic pressure hold duration, and feed timing as named recipes. When the morning shift starts Monday, the operator loads the saved recipe for 400x200x200 hollow blocks and the automatic hollow block machine PLC controlled logic executes the exact sequence — no manual dial adjustments, no drift over the weekend.
Remote Fault Diagnosis Without a Plane Ticket
Production stops are expensive, and most do not need a technician on the floor to diagnose. The random testing capability for remote control and fault diagnosis means a control engineer can read PLC error logs, check sensor states, and guide the local electrician through a reset or component swap over a video call. This shortens downtime from days to hours when the issue is a tripped relay or a faulty proximity switch rather than a mechanical failure.
Reading the Specs That Matter on Site
The 100 kN vibration force and adjustable 0-60 Hz frequency range work together with the hydraulic demolding to determine block density and surface finish. Low-frequency vibration packs coarse aggregate into the mould corners, while higher frequency settles fine sand around the face. The platform vibration form means energy enters from the pallet upward, which suits the 1150×700 mm pallet and the range of block heights this machine handles. Hydraulic demolding releases blocks without the cracking that mechanical strippers cause on thin-wall hollow formats [NEED_CITE: vibration frequency impact on concrete compaction density]. The 45 kW overall power rating covers the hydraulic pump, vibration motors, conveyor drive and control cabinet together — confirm that your site transformer can supply this draw with adequate headroom for startup surge.
The Cost of Skipping the Control Language Check
One of the most common delays I see after a machine arrives on site is the PLC screen displaying in a language the operators cannot read. Commissioning stalls while the control cabinet is reprogrammed, sometimes requiring a replacement HMI unit to be shipped. This is entirely avoidable if the display language and voltage specifications — including frequency, 50 Hz versus 60 Hz — are confirmed and documented before the machine leaves the factory [NEED_CITE: PLC language and voltage configuration standards for export machinery]. A few minutes of paperwork saves weeks of idle equipment.
Why Source This Machine Through a Single-Focus Supplier
Block machinery is the only product line here, which means the QT7-15 is specified as part of a matched system — pallet size, mould design, hydraulic pressure and vibration frequency are all set against your target format and local material. The configuration is not pulled from a catalogue default but adjusted after reviewing your actual mix design. Automation level is selectable, so you can begin with the PLC-controlled core and add automatic stacking or cubing stations later without replacing the press. Mould design and supply cover the formats your market demands, including custom drawings, and the factory test record verifies cycle time on your specific block before the machine is crated.
Documentation & Verification
- Factory test record showing cycle time and output for your specified block format
- PLC program backup with named recipes and operator language set to your requirement
- Voltage, frequency and control language confirmation sheet signed before dispatch
- Hydraulic and electrical schematic matching the as-built configuration
- Wear parts and mould list with part numbers for reordering
Installation, Commissioning & Support
- Foundation plan sized for the 8 T machine mass and dynamic vibration load
- Dedicated electrical circuit rated for 45 kW total draw with correct voltage and frequency
- On-site assembly of pallet feed machine, conveyor and control cabinet to the press
- PLC parameter tuning against your local aggregate and mix during commissioning
- Operator training covering recipe creation, mould change sequence and fault code reading
- Preventive maintenance schedule for hydraulic seals, vibration springs and proximity sensors
What to Share Before Requesting a Quote
Send your target block formats with dimensions, the daily output you need for each format, and details on your local aggregate source including any clay or fines content. Confirm your site voltage and frequency, the PLC display language your team requires, and whether you plan to run semi-automatic pallet handling initially or need full automatic stacking from day one. This information lets the configuration match your actual production conditions rather than a generic setup.
Frequently Asked Questions
Q: How does the PLC control system maintain block quality when different operators run the machine?
A: The PLC stores complete process recipes — vibration frequency, hydraulic hold time, feed duration — as named files. Any trained operator loads the correct recipe from the touch screen, and the automatic hollow block machine PLC controlled logic runs the identical sequence every cycle. This removes manual parameter adjustment and the variation that comes with shift changes or staff turnover.
Q: What does the remote diagnostics feature actually cover?
A: Remote diagnostics allows a control engineer to access PLC error logs, monitor sensor states, and review cycle parameter history from off-site. For electrical or software faults, this means guided troubleshooting over a call, often resolving the issue without dispatching a service technician. Mechanical faults still require on-site inspection, but the remote system narrows the cause before anyone boards a flight.
Q: Can the machine be configured for my local raw material before it ships?
A: Yes. The vibration force, frequency range and hydraulic pressure are adjustable within the machine’s design envelope. During factory testing, these parameters are tuned using a mix design that reflects your local aggregate and cement type. The resulting recipe is saved in the PLC and shipped with the machine so your first production run starts with validated settings.
Q: Is it possible to add automation stations later if I start semi-automatic?
A: The QT7-15 control system supports integration with additional automation modules such as automatic pallet feeding, stacking and cubing. The PLC architecture and wiring provisions allow these stations to be connected without replacing the main control cabinet, provided the upgrade path is planned during initial configuration.
