Matched Line Design — every station from raw material feeding through curing rack handling is specified to the QT6-15 cycle so the press is never left waiting for pallets or mix.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT6-15 |
| Product Type | Automatic Hydraulic Block Making Machine |
| Overall Dimensions (L×W×H) | 8200×1700×2950 mm |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 0-60 Hz |
| Vibration Force | 45 kN |
| Moulding Mode | Automatic loading with vibration moulding |
| Pallet Size | 880×850 mm |
| Molding Cycle | 15-20 s (basis not stated in source — confirm block format / material / thickness) |
| Overall Power | 37 kW |
| Total Mass | 7 T |
| Demolding Method | Hydraulic |
| Factory Area Required | 1200 m² |
| Control System | PLC with touch screen interface |
| Hydraulic System | Independent integrated hydraulic station |
| Block Compressive Strength | ≥15 MPa |
| Output — Hollow Block 400×200×200 mm | 1080-1440 pcs/h, 8640-11520 pcs/8hr (basis: 6 pcs/mould, 15-20s cycle) |
| Output — Hollow Block 400×150×200 mm | 1440-1920 pcs/h, 11520-15360 pcs/8hr (basis: 8 pcs/mould, 15-20s cycle) |
| Output — Solid Brick 240×115×53 mm | 5760-7680 pcs/h, 46080-61440 pcs/8hr (basis: 32 pcs/mould, 15-20s cycle) |
| Output — Rectangular Paver 200×100×60 mm | 2160-2880 pcs/h, 17280-23040 pcs/8hr (basis: 21 pcs/mould, 20-25s cycle) |
| Output — Zigzag Paver 225×112.5×60 mm | 2160-2880 pcs/h, 17280-23040 pcs/8hr (basis: 15 pcs/mould, 20-25s cycle) |
| Raw Material Adaptability | Waste ash, slag, and various aggregates; cement dosage adjustable |
| Fault Diagnosis | Integrated PLC fault diagnosis system |
| Safety Logic | Interlock control circuit |
| Standards | CE (verify per shipment) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production | Crushed stone, sand, cement, waste ash or slag blends |
| Solid brick manufacturing | Fine aggregate and cement mixes for load-bearing or infill walls |
| Rectangular and zigzag paver production | High-density aggregate blends for pedestrian and vehicular surfaces |
| On-site contractor block production | Locally sourced laterite, river sand or quarry dust with adjustable cement dosage |
| Concrete product range expansion | Multiple formats on a single line with mould changes between runs |
What a Cycle Time Figure Hides About Real Daily Output
A cycle rate without the block format attached is a number that cannot be planned against.
I have watched plant owners in West Africa stare at a quoted pieces-per-hour figure and then spend the first month trying to work out why the actual pallet count at the end of a shift fell well short. The gap usually comes from stations around the press that were never part of the original conversation. The mixer cannot keep up, the pallet feeder jams on warped boards, or the stacking station is simply a pair of workers lifting wet blocks by hand. An automatic block making machine production line only delivers its quoted output when every upstream and downstream station is timed to the press cycle, and that timing has to be written into the layout before steel is cut. [NEED_CITE: typical block plant bottleneck causes in emerging markets]
How the Stations Around the Press Connect
The QT6-15 completes a moulding cycle in a range that starts at 15 seconds, which means the pallet feeder must place a fresh board and the mixer must deliver a measured batch within that same window. If either station lags, the press sits idle and the cycle stretches beyond the quoted figure. This automatic block making machine production line is configured so that raw material feeding, mixing, pallet return and stacking are each matched to the press timing rather than specified as standalone items.
Where a Line Falls Apart When Stations Are Mismatched
On a site in South Asia, a buyer added a high-speed mixer after the press was already installed, only to find that the pallet return conveyor could not clear cured boards fast enough. The press waited for pallets on every third cycle. Because the pallet handling and curing rack equipment had been sourced separately, no single supplier was responsible for the bottleneck. When the entire line is quoted as one system, cycle alignment becomes a shared obligation rather than a gap between contracts. [NEED_CITE: importance of matched cycle times in concrete product lines]
Reading the Numbers Behind Block Strength and Density
The independent integrated hydraulic station sits apart from the main frame, isolating it from the vibration and dust that degrade valve seals over time. Consistent hydraulic pressure across every cycle is what keeps block density uniform from the first pallet to the last. Platform vibration at up to 60 Hz works together with the 45 kN vibration force to compact the mix into the mould cavity, and the actual frequency used depends on the aggregate grading and cement content the buyer can source locally. The PLC touch screen stores recipes so operators can switch between a hollow block mix and a paver mix without manual dial adjustments. Pallet size at 880×850 mm determines how many blocks sit on each board, and that dimension must match the curing rack spacing and the forklift tine width already in use at the plant.
The Cost of Leaving Supporting Equipment to Chance
When pallet specifications are decided after the press arrives, boards warp under wet concrete weight and the return conveyor jams, forcing operators to pull pallets by hand. I have seen stacking left entirely to manual labour because the quotation stopped at the press outlet, meaning daily output dropped while breakage climbed. Voltage and PLC language confirmed late in the process delay commissioning by weeks, with electricians waiting for revised schematics while the machine sits under a tarpaulin. [NEED_CITE: commissioning delays caused by unconfirmed voltage and control language]
Why a Matched Line Matters at This Capacity Range
Block machinery is the single focus here, so the QT6-15 press, moulds, pallets and handling equipment are specified together rather than assembled from separate catalogues. The configuration is set against the buyer’s actual mix design and local aggregate, not a default table. Automation level can start at semi-automatic pallet handling and move toward fully automatic stacking and cubing as the plant grows. Mould design covers the formats the local market actually buys, including custom drawings when standard formats do not fit. Factory testing runs the full line before dispatch so cycle alignment is verified under load, not assumed from individual station data sheets.
Documentation & Verification
- Line layout and capacity calculation stating the block format assumed for every output figure
- Hydraulic and electrical schematic with confirmed voltage, frequency and PLC display language
- Factory test record covering full line cycle alignment on buyer’s specified block format
- Mould drawing and format list with pallet size matched to curing rack and forklift specs
- Wear parts and mould list with recommended replacement intervals per station
- Packing photographs and customs documentation support for container loading
Installation, Commissioning & Support
- Foundation plan aligned to the 8200×1700 mm footprint and 7 T mass with anchor bolt layout
- Dedicated power circuit sized for the 37 kW total load with voltage confirmed before production
- Dismantling and container loading plan with reassembly sequence for the hydraulic station and PLC cabinet
- First-run commissioning with PLC fault diagnosis checked on each station and interlock circuit verified
- Operator training covering recipe storage on the touch screen for mix changes between block formats
- Wear parts supply schedule for hydraulic seals, vibration springs and mould liners tied to the production shift pattern
Before You Request a Quote
To size the supporting stations around the QT6-15, we need the block formats you plan to run and the daily output target for each. Share the local aggregate type and cement availability so the mixer and feeder can be matched to your actual mix. Confirm your site voltage, frequency and preferred PLC language early so the electrical schematic is final before production starts.
Frequently Asked Questions
Q: How is the line capacity calculated per block format, and what cycle time does each format actually run at?
A: Each output figure in the specification table is tied to a specific block dimension, mould cavity count and cycle range. Hollow blocks at 400×200×200 mm run on a 15-20 second cycle with six per mould, while pavers require a slightly longer 20-25 second window due to the denser mix. We provide a written capacity calculation per format, not a single aggregate number.
Q: Which supporting stations are included, and how do their cycle times match the press?
A: The line covers raw material feeding, mixing, pallet feeding, stacking and curing rack handling. Each station is selected so its throughput aligns with the QT6-15 cycle, preventing the press from waiting on mix or pallets. The proposal lists every station with its individual timing against the press cycle.
Q: How is pallet size and material chosen relative to the curing area and forklift?
A: The 880×850 mm pallet is confirmed against the buyer’s existing curing rack spacing and forklift tine width before the order is finalised. Material selection considers the wet concrete load and the number of daily cycles the board must endure.
Q: What voltage, frequency and PLC language will be configured, and when is this confirmed?
A: Voltage and frequency are confirmed in writing during the proposal stage, and the PLC touch screen language is locked before the control cabinet is wired. This prevents commissioning delays once the line arrives on site.
Q: What does the factory test cover before shipment, and what documentation ships with the line?
A: The factory test runs every station together to verify cycle alignment and interlock logic under load. Documentation includes the line layout, hydraulic and electrical schematics, test record, mould drawings, wear parts list and packing photographs.