Description
Block Machinery as a Single Focus — every QTJ4-40 leaving our yard ships with pallet, mould, and handling specified as one matched system, not assembled from separate suppliers.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QTJ4-40 |
| Product Type | Hydraulic Concrete Block Making Machine |
| Vibration Form | Platform Vibration |
| Vibration Frequency | 2800 r/min |
| Pallet Size | 850 × 450 mm |
| Overall Dimensions (L × W × H) | 1350 × 1460 × 1800 mm |
| Machine Weight | 1 T (basis to be confirmed) |
| Top Die Mechanism | Push and pull with automatic scraper |
| Automation Level | Semi-automatic |
| Raw Materials | Concrete, cement, fly ash, crushed stone, sand, dust, gravel, slag |
| Applied Products | Hollow blocks, solid blocks, pavers, interlocking blocks, curbstone |
| Labor Requirement | 1–3 people |
| Factory Area | 200 m² |
| Raw Material Ratio | Cement 8–10 %, Sand 30–40 %, Stone 50–60 % |
| Capacity — 400 × 200 × 200 mm hollow block, 4 pcs/mould | 360 pcs/h, 2880 pcs/day |
| Capacity — 400 × 150 × 200 mm hollow block, 5 pcs/mould | 500 pcs/h, 4000 pcs/day |
| Capacity — 225 × 112.5 × 60 mm solid brick, 9 pcs/mould | 900 pcs/h, 7200 pcs/day |
Application Suitability
| Application | Material or Output |
|---|---|
| Small-to-medium block plant | Hollow and solid blocks from crushed stone, sand, and cement |
| On-site construction manufacturing | Concrete blocks produced directly at the project location |
| Landscaping and municipal projects | Pavers and interlocking bricks from standard aggregate |
| Fly ash and slag utilization | Building materials from industrial by-products |
Why Voltage Confirmation Must Happen Before You Book the Container
A QTJ4-40 block machine in stock ships fast, but only if your electrical specification is locked before it leaves the floor.
I have watched a machine sit on a dock in Mombasa for weeks because the motor was wound for 380 V / 50 Hz while the site ran 415 V / 60 Hz. The fix is not a quick swap — it means rewinding or replacing the motor on-site, which eats into the project deadline you bought the machine to meet. Voltage and frequency must be confirmed at order stage, not at packing stage. [NEED_CITE: voltage and frequency standards by export market]
Dispatch Lead Time and Container Loading
The QTJ4-40 block machine in stock is compact enough to ship in a single 20-foot container when the hopper, top die assembly, and control panel are dismantled. We quote the dispatch lead time at order confirmation so you can align your vessel booking with the production schedule. The machine’s 1350 × 1460 × 1800 mm frame fits flat when the hydraulic uprights are lowered, and the 850 × 450 mm pallets stack alongside the mould in the same container. No second container, no partial shipment delay.
Arrival Estimate Quoted Upfront
Once the order is confirmed and the factory test is recorded, we provide an arrival estimate based on the destination port and current sailing schedules. The QTJ4-40 block machine in stock has been dispatched to sites across Africa, Southeast Asia, and South America, and the transit pattern is predictable. You receive packing photographs and customs documentation support before the container is sealed, so your clearing agent can pre-file without waiting for last-minute paperwork. [NEED_CITE: CE machinery directive requirements for industrial equipment]
Platform Vibration, Pallet Size, and Semi-Automatic Operation
The platform vibration at 2800 r/min delivers consistent block density across the 850 × 450 mm pallet surface. This pallet size matters because it must match your curing area layout and the forklift tines you already have on-site — a mismatch means blocks get damaged in handling before they even reach the rack. The push-and-pull top die with automatic scraper reduces the operator’s manual effort, keeping the semi-automatic QTJ4-40 within reach of a 2–3 person crew without sacrificing mould-fill consistency.
What Happens When Pallet Handling Gets Left Off the Quote
I have seen buyers receive a block machine only to discover that pallet feeding, stacking, and curing rack handling were never part of the deal. Blocks come off the machine hot and fragile, and without a planned pallet return loop, workers are hand-carrying them to the curing area. On the QTJ4-40, the semi-automatic configuration means pallet handling is manual — that is by design for this price tier — but it must be factored into your labor plan and floor layout before the machine arrives, not after. [NEED_CITE: block plant layout planning for manual pallet return]
Why Buyers Source This Machine Here
We treat block machinery as a single focus, which means the QTJ4-40, its moulds, pallets, and handling tools are specified as one matched system. The configuration is set against your actual mix design and local aggregate, not a catalogue default. Standard moulds for hollow block and solid brick are stocked alongside the machine, so additional formats do not add weeks to your lead time. Voltage, control language, and frequency are confirmed at order so commissioning starts the day power reaches the panel. Factory test records ship with the machine, giving you a documented baseline before the first block is made on-site.
Documentation & Verification
- Factory test record run on your specified aggregate and block format before dispatch
- Voltage, frequency, and control language confirmation sheet signed at order
- Packing photographs showing dismantling state and container load plan
- Operation and maintenance manual with wear parts list and mould drawing
- Customs documentation support including HS code and certificate of origin
Installation, Commissioning & Support
- 200 m² floor area required with level concrete slab to support 1 T machine weight
- Dedicated electrical circuit matching confirmed voltage and frequency before connection
- Machine dismantles into main frame, hopper, top die, and control panel for container loading
- Platform vibration and top die alignment checked during on-site commissioning
- Operator training covers mould change, scraper adjustment, and daily lubrication schedule
- Wear parts list and standard mould inventory provided for first reorder planning
What We Need From You to Release the Machine
To move the QTJ4-40 from stock to dispatch, confirm your target block format and daily output requirement so we can match the correct mould. Provide your local voltage and frequency, and tell us the control panel language your operators read. If your aggregate differs from standard river sand — volcanic ash, crushed coral, laterite — send a sample so we can run a trial before the machine leaves the yard.
Frequently Asked Questions
Q: What is the dispatch lead time for a stocked QTJ4-40, and can it be expedited?
A: Stocked units are ready for dismantling and loading once your electrical specification and mould selection are confirmed. Dispatch lead time depends on whether any custom mould formats are added to the order. Standard hollow block and solid brick moulds are typically on the shelf, keeping the timeline short for buyers working to a project deadline.
Q: How is the machine dismantled and loaded into a container for shipment?
A: The QTJ4-40 dismantles into its main frame, hopper, top die assembly, and control panel. These components, along with the 850 × 450 mm pallets and selected moulds, load into a single 20-foot container. Packing photographs are taken before the container is sealed for your records and customs clearance.
Q: What arrival estimate can I expect once the order is confirmed?
A: Arrival timing depends on destination port and current vessel schedules. We provide an estimate at order confirmation based on known transit patterns. Customs documentation support is prepared before dispatch so your clearing agent can begin pre-filing while the container is on the water.
Q: Which voltage and frequency options are available, and when must they be confirmed?
A: Voltage and frequency are configurable to match your site supply. These must be confirmed before the machine enters final assembly so the motor and control panel are wound and wired correctly. Late changes after wiring can delay dispatch and require component swaps on-site.
