Description
Fast dispatch readiness — QT4-15 block machines are assembled, tested, and held at our Linyi facility so container loading can begin within days of voltage and language confirmation.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15 |
| Product Type | Automatic Hydraulic Block Making Machine |
| Molding Cycle | 15-30s depending on block format |
| Pallet Size | 900 x 500 mm |
| Vibration Type | Platform vibration |
| Vibration Frequency | 50-70 Hz |
| Product Height Range | 50-220 mm |
| Overall Power | 24.5 kW |
| Demolding Method | Hydraulic |
| Control System | PLC with approach switch monitoring |
| Block Compressive Strength | >15 MPa |
| Output Capacity (Hollow Block 400x200x200mm) | 900-1200 pcs/hour (basis: 4 pcs/mould, 15-20s cycle) |
| Output Capacity (Hollow Block 400x150x200mm) | 1080-1440 pcs/hour (basis: 5 pcs/mould, 15-20s cycle) |
| Output Capacity (Hollow Block 400x100x200mm) | 1440-1920 pcs/hour (basis: 8 pcs/mould, 15-20s cycle) |
| Output Capacity (Paver 200x100x60mm) | 2880-3840 pcs/hour (basis: 16 pcs/mould, 15-20s cycle) |
| Output Capacity (Solid Brick 240x115x53mm) | 5930-6720 pcs/hour (basis: 28 pcs/mould, 15-20s cycle) |
| Mould Compatibility | Hollow block, paver brick, solid brick (interchangeable moulds) |
| Raw Material Compatibility | Fly ash, slag, gangue, sand, crushed stone, cement, water, industrial residue |
| Assembly State | Skid-mounted / stationary |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block manufacturing for building walls | Fly ash, sand, crushed stone, and cement mixes |
| Paving block and interlocking brick production | Crushed stone and cement with pigment layers |
| Solid brick manufacturing | Slag, gangue, sand, and cement blends |
| On-site block production for housing projects | Locally sourced aggregate with cement binder |
| Medium-scale fixed-plant block production | Industrial residue and sand mixes |
Why Voltage Confirmation Must Happen Before the QT4-15 Block Machine in Stock Fast Delivery Ships
A machine sitting in your yard without power is not an asset; it is a deadline missed.
I learned this the hard way when a batch of QT4-15 units arrived overseas and the local grid ran at a frequency the electrical cabinets were never configured for. The contractor waited three weeks for replacement components while the construction schedule slipped. Now every QT4-15 block machine in stock fast delivery order goes through a line-by-line electrical check against the destination country standard before the crate is sealed [NEED_CITE: voltage and frequency standards by export market]. The QT4-15 block machine in stock fast delivery promise only holds when the PLC, motors, and approach switches all match what the buyer will actually plug into on arrival.
Dispatch Sequence from Factory Floor to Container Door
Once the buyer confirms voltage, frequency, and PLC display language, the QT4-15 moves from the stock yard to the test bay. The hydraulic circuit is pressurized, the vibration platform is run through a full mould cycle, and the approach switches are verified against the PLC logic. Only after the test record is signed does the dismantling crew begin separating the main frame, hydraulic station, and pallet feeder for container loading. This sequence is what makes the QT4-15 block machine in stock fast delivery claim verifiable: every unit that ships has a completed factory test record attached to its documentation pack.
Container Loading and Dismantling for Ocean Freight
The QT4-15 is designed to break down into sections that fit a standard 20-foot or 40-foot container without cutting structural welds. The main press frame, hydraulic power pack, pallet magazine, and control cabinet are each bolted to skid bases and secured with timber bracing. Packing photographs are taken at every stage so the buyer can cross-reference the container loading plan against what arrives at the port. This dismantling discipline is what separates a genuine QT4-15 block machine in stock fast delivery from a quotation that simply says "in stock" without proving shipment readiness [NEED_CITE: container loading practices for heavy machinery export].
How Vibration Frequency and Hydraulic Pressure Shape Block Density
The QT4-15 pairs platform vibration at 50-70 Hz with hydraulic demolding pressure to compact raw material into a dense, uniform block. Vibration frequency determines how thoroughly the mix settles into the mould cavity, while hydraulic pressure locks that density in before the block is stripped. If the vibration is too low for a coarse aggregate mix, voids remain and compressive strength drops below the 15 MPa threshold. If the pressure is excessive for a lightweight fly ash mix, the block cracks on demolding. The PLC approach switch monitoring ensures each stage of the cycle — material feed, vibration, compression, demolding — fires only when the previous stage reaches its set point, keeping block density consistent across an eight-hour shift. The 900×500 mm pallet size was chosen because it aligns with the curing rack spacing and forklift tine width already common in small to medium block plants, meaning the buyer does not have to rebuild the curing area around a non-standard pallet dimension.
The Hidden Cost of Skipping the Pallet and Curing Match
A buyer once selected a pallet size without checking their existing curing racks. The pallets arrived too wide for the rack slots, forcing the plant to stack blocks by hand on the floor and cut daily output in half. The machine itself was running at full capacity, but the downstream bottleneck erased every advantage the automation was supposed to deliver [NEED_CITE: pallet handling bottlenecks in block production]. This is why the 900×500 mm pallet on the QT4-15 is confirmed against the buyer’s curing layout before the order is finalized.
Why Buyers Source the QT4-15 Here Instead of Catalogue Shopping
The QT4-15 is specified as a matched system: press, mould, pallet, and feeder are configured together rather than assembled from separate quotations. Capacity figures are quoted per block format with the mould count and cycle time stated, so the buyer sees the real daily output before committing. Dispatch lead time and container loading plans are confirmed at inquiry, not buried in fine print. The electrical cabinet is built to the destination voltage and frequency, and the PLC display language is set before the machine leaves the factory. Installation support includes on-site commissioning and operator training so the first production run happens within days of arrival, not weeks.
Documentation & Verification
- Factory test record run on buyer’s target block format before dispatch
- Voltage, frequency, and PLC language confirmation sheet signed before crating
- Container loading photographs showing dismantling sequence and bracing
- Mould drawing and format list matching buyer’s product range
- Pallet specification cross-referenced to buyer’s curing rack and forklift
Installation, Commissioning & Support
- Foundation pad sized to QT4-15 frame footprint and 24.5 kW power draw
- Dedicated electrical circuit matched to confirmed voltage and frequency
- Skid-mounted sections bolted and leveled on-site within days of arrival
- PLC approach switches calibrated to buyer’s specific mould and mix
- Operator training covers mould change, cycle tuning, and daily maintenance
- Wear parts list provided with first-shipment spare recommendation
What to Send with Your Inquiry
Tell us the block formats you sell today and the ones you plan to add, along with the daily output you need per format. Confirm the voltage and frequency at your site, the PLC display language your operators read, and the pallet dimensions that fit your curing racks. If you have existing mixers or conveyors upstream, share their capacity so the QT4-15 feed rate can be matched.
Frequently Asked Questions
Q: Which QT4-15 models are currently in stock and what is the dispatch lead time?
A: Stock availability changes as orders are confirmed. When you inquire, we state which QT4-15 configurations are built and tested on the floor, along with a dispatch lead time quoted in calendar days. The arrival estimate to your port is calculated from the confirmed shipping date so you can plan around a project deadline.
Q: How is the QT4-15 dismantled and loaded into a container for shipment?
A: The main frame, hydraulic station, pallet magazine, and control cabinet are separated at bolted joints and secured on skid bases. Packing photographs document each stage, and a container loading plan is shared with the buyer before the container is sealed. No structural welds are cut during dismantling.
Q: Can voltage, frequency, and PLC language be confirmed before the machine leaves the factory?
A: Yes. These three parameters are locked in before production or final assembly begins. The PLC display language is set to the operator’s working language, and the electrical cabinet is wired to the destination grid standard. A signed confirmation sheet is included in the documentation pack.
Q: What moulds ship with the QT4-15 and are standard pallet sizes available from stock?
A: The standard package includes moulds for the block formats the buyer confirms at inquiry. Pallets in the 900×500 mm size are built and held in stock. Custom mould drawings can be produced from buyer-supplied dimensions, with lead time stated at quotation.
Q: What is the estimated arrival time from order to port of destination?
A: Arrival time depends on the destination port and the shipping route available at the time of booking. Once the dispatch date is confirmed, a transit estimate is provided based on current vessel schedules. The buyer receives the booking confirmation and container number for tracking.
