Description
Stocked and Ready to Ship — the QT4-15A block machine sits in our Linyi warehouse container-loadable within days, not weeks, so your project deadline dictates the schedule, not a factory production slot.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-15A |
| Product Type | Fully Automatic Concrete Block Making Machine |
| Overall Dimensions (L×W×H) | 4100×1600×2600 mm |
| Total Mass | 4 T |
| Rated Pressure | 16-21 MPa |
| Main Vibration Form | Platform Vibration |
| Vibration Frequency | 4200 r/min |
| Vibration Force | 55 kN |
| Molding Cycle | 25-30 s |
| Pallet Size | 880×550 mm |
| Overall Power | 18.45 kW |
| Demolding Method | Hydraulic |
| Factory Area Required | 300 m² |
| Warranty | 1 year (whole machine, excluding spare parts) |
| Container Loading | 1×40HQ (basic equipment) |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production | Crushed stone, sand, cement, fly ash |
| Solid block manufacturing | Gravel, slag, cement blends |
| Paving brick and colored paver runs | Fine aggregate with pigment additives |
| Interlocking block and curbstone forming | Coarse aggregate and cement mixes |
Why the Voltage Confirmation Must Happen Before the Container Doors Close
A QT4-15A block machine in stock is only useful if it powers up the day it arrives.
I spent years dispatching block presses out of Linyi and learned the hard way that a missed voltage check turns a fast delivery into a long delay. One QT4-15A unit shipped to a West African site arrived with a 380V/50Hz motor while the local grid ran 440V/60Hz — the machine sat idle for three weeks while a replacement motor was flown in [NEED_CITE: voltage and frequency standards by export market]. When you are buying against a project deadline, that kind of oversight is unacceptable. Confirming the supply standard before the machine leaves the factory floor is a non-negotiable step in our dispatch process.
From Warehouse Floor to Your Port — The Dispatch Sequence
The QT4-15A block machine in stock moves through a defined dispatch sequence: electrical verification against your site supply, dismantling into container-fit modules, packing photography for your records, and container loading at our Linyi yard. Each stage has a checkpoint so nothing ships without confirmation. The entire basic equipment set fits a single 40HQ container, which keeps freight straightforward and reduces the chance of split shipments arriving on different vessels.
Arrival Timing You Can Plan Around
When a buyer commits to a QT4-15A block machine in stock, we quote an estimated arrival window at destination port alongside the dispatch date. This is not a production lead time that shifts with factory workload — the machine is already built and sitting on the floor [NEED_CITE: typical ocean freight transit times from Qingdao to major regional ports]. Container booking, inland haulage to port, and customs documentation are initiated within days of order confirmation, not weeks.
Reading the Numbers That Actually Matter on Site
The 16-21 MPa rated pressure combined with 55 kN vibration force at 4200 r/min determines how densely the mix compacts inside the mould. Higher pressure alone will not produce a strong block if the vibration frequency fails to settle the aggregate — and vice versa. The platform vibration format means the pallet itself transmits energy upward through the mix, which works well with the 880×550 mm pallet size specified for this press. The 25-30 second molding cycle applies to standard block formats on this pallet; larger or thicker formats extend that cycle accordingly. Hydraulic demolding at this pressure range keeps block edges intact during extraction, reducing breakage before the blocks reach the curing area.
What Happens When Voltage and Language Are Left to Chance
A control panel set to a language your operators cannot read turns a fully automatic press into a manual one. I have seen commissioning stall because the PLC display was in Chinese while the site team spoke only French and local dialects — every parameter adjustment required a phone call back to Shandong [NEED_CITE: PLC display language options in industrial machinery exports]. The QT4-15A block machine in stock must have its control language locked in before dispatch, alongside voltage and frequency. Skipping this step does not just delay first production; it erodes operator confidence in the equipment from day one.
Why Buyers Working to Deadlines Source Here
Single-focus machinery supply means the QT4-15A arrives as a matched system — press, moulds, pallets, and handling equipment specified together rather than sourced from separate vendors. Stocked configurations ship with standard moulds already fitted, so buyers producing common hollow and solid block formats can begin output immediately upon commissioning. Our Linyi warehouse allows pre-dispatch inspection and container loading under one roof, eliminating the internal transit that adds days to orders shipped from dispersed factories. Electrical specifications are verified against your confirmed site supply before the machine leaves the building, preventing the arrival-day failures that blow project schedules.
Documentation & Verification
- Factory test record run on your specified block format before the QT4-15A leaves the warehouse
- Voltage, frequency, and PLC language confirmation sheet signed off prior to container loading
- Container loading plan and machine dismantling diagram for your freight forwarder
- Packing photographs documenting the QT4-15A condition at the point of dispatch
- Customs documentation package prepared for your destination import requirements
Installation, Commissioning & Support
- The 300 m² factory area requirement should be confirmed against your available plot before dispatch
- Overall power of 18.45 kW requires a dedicated circuit matching your confirmed voltage and frequency
- The 4 T total mass arrives dismantled for 40HQ loading and must be reassembled on a level concrete pad
- Hydraulic system rated at 16-21 MPa must be bled and pressure-tested during first startup
- Platform vibration assembly at 4200 r/min requires alignment check after reassembly from container transit
- 880×550 mm pallets should be staged in the curing area before commissioning begins
Before You Place the Order — What We Need to Know
To lock in a dispatch date for the QT4-15A block machine in stock, provide your target block formats and daily volume requirement so we match the mould set before loading. Confirm your site voltage, frequency, and preferred PLC display language to avoid commissioning delays. Let us know your destination port so the arrival estimate quoted at order reflects actual routing and current sailing schedules.
Frequently Asked Questions
Q: Which QT4-15A configurations are currently stocked versus built-to-order?
A: The base QT4-15A press with standard hollow and solid block moulds on 880×550 mm pallets is held in stock at our Linyi warehouse. Custom mould designs, specialized automation add-ons, and non-standard voltage configurations are built-to-order with lead time quoted at inquiry. Confirm your required format list and we will tell you immediately what ships from stock.
Q: What is the dispatch lead time from order confirmation to container loading?
A: For a stocked QT4-15A in standard configuration, container loading typically follows within several working days of order confirmation and payment clearance. The machine undergoes electrical verification and packing documentation before the container doors close. Built-to-order variants follow a longer production schedule quoted separately.
Q: How is the machine dismantled for shipment and what container type is required?
A: The QT4-15A is broken down into modules that fit within a single 40HQ container for the basic equipment set. The hydraulic system, vibration platform, and frame sections are separated and secured for ocean transit. A dismantling diagram accompanies the shipment to guide reassembly on site.
Q: Can arrival timing at the destination port be estimated at the point of order?
A: Yes. Once your destination port is confirmed, we quote an estimated arrival window based on current sailing schedules from the nearest loading port. This estimate accounts for inland haulage, port handling, and ocean transit. The dispatch date and arrival window are documented in your order confirmation.
Q: What standard moulds ship with the stocked machine and how fast can additional moulds follow?
A: Stocked QT4-15A units ship with moulds for the most common hollow and solid block formats matching the 880×550 mm pallet. Additional moulds for pavers, interlocking bricks, or curbstones can be produced and dispatched separately. Lead time for supplementary moulds is quoted based on design complexity and current workshop load.
