Description
Dispatch Certainty — every QTJ4-40 leaves our Linyi workshop with voltage confirmed, motor tested under load, and a container loading plan already on paper before you pay the deposit.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QTJ4-40 |
| Product Type | Manual 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 |
| Factory Area Required | 200 m² |
| Worker Requirement | 1–3 people |
| Motor Option | Diesel and electric motor available |
| Mould Push System | Top die push and pull with automatic scraper |
| Automation Level | Manual / Semi-automatic |
| Raw Materials | Concrete, cement, fly ash, crushed stone, sand, dust, gravel, slag |
| Capacity | 2,880 pcs/8h based on 400×200×200mm hollow block, 4 pcs per mould |
| Capacity (alt 1) | 4,000 pcs/8h based on 400×150×200mm block, 5 pcs per mould |
| Capacity (alt 2) | 7,200 pcs/8h based on 225×112.5×60mm block, 9 pcs per mould |
| Applied Products | Hollow/solid blocks, pavers, interlocking blocks, curbstone |
| Standards | CE |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site hollow block production for housing contractors | Crushed stone, sand, cement at 8–10% cement ratio |
| First block plant for entrepreneurs with limited space | 200 m² footprint, 2,880 hollow blocks per 8-hour shift |
| Paver and interlocking brick runs for local distributors | Colored concrete mixes on 850×450 mm pallets |
| Off-grid construction sites without stable electricity | Diesel motor option, no grid connection required |
What "4,000 Blocks a Day" Actually Means on a Manual Press
Capacity numbers mean nothing without the block format attached to them.
Most manual block making machine quotations lead with a single output figure. That figure almost always assumes the smallest, lightest block the mould can produce. When your market actually buys 400×200×200mm hollow blocks — the format that earns margin — the real daily count drops to 2,880 pieces over an 8-hour shift. The QTJ4-40 manual block making machine fast delivery quotation we issue states output per format, so you know what the press actually produces before it arrives. I have watched buyers sign off on a number, build their curing yard around it, and then discover the shortfall on the first production morning [NEED_CITE: block format assumptions in capacity quotations].
Stocked Units and What Ships This Week
The QTJ4-40 block machine in stock today sits assembled in our Linyi yard, factory-tested on a standard hollow block mould. When you confirm the motor type — diesel or electric — and the voltage your site runs, we can move to container loading within days rather than weeks. Standard moulds for 400×200×200mm hollow blocks ship mounted; additional format moulds go into the same container on the pallet rack.
Container Loading and the Dismantling Question
A manual press of this weight and dimension does not need a flat-rack. We strip the hopper, fold the feed tray, and secure the vibration platform against the main frame so the unit fits a standard 20-foot container alongside its pallets and spare moulds. The dismantling plan is documented with photographs before the doors close, so your local team knows the reassembly sequence when the container opens. Buyers working to a project deadline need this logistics step confirmed at quotation, not discovered at the port [NEED_CITE: container loading practices for small block presses].
Platform Vibration and the 850×450 mm Pallet
The 2800 r/min platform vibration pushes concrete into the mould corners, but density only holds if the top die push-and-pull system follows immediately. That pairing is why the QTJ4-40 produces blocks with consistent wall thickness across the pallet face. The 850×450 mm pallet size is fixed by the machine frame — before you order, measure the curing racks and forklift tines you already have. A mismatch here means blocks stacked by hand on the ground while you source new racks.
When the Wrong Motor Choice Costs You Three Weeks
I once watched a hollow block press sit idle on an African job site because the local grid ran at a frequency our factory default did not match. The electric motor would not start, the control panel tripped on under-voltage, and the entire crew waited while a replacement frequency converter shipped by air. With the QTJ4-40, the diesel motor option exists for exactly this reason — no grid, no problem. But if your site does have grid power and you choose electric, confirm voltage and frequency in writing before we wire the control box [NEED_CITE: voltage and frequency standards by export market].
Why Buyers Source This Press Here
Block machinery is our single focus, so the machine, mould, pallet, and handling equipment are specified as one matched set. The QTJ4-40 configuration is checked against your local aggregate and target block format, not pulled from a catalogue default. Mould design covers the formats your market sells, including custom drawings if your region runs a non-standard kerbstone or interlocking profile. Automation is selectable — you can start manual with one or two workers and add a pallet feeder later without replacing the press. Every unit leaves with installation guidance and operator training notes so your team is not guessing on day one.
Documentation & Verification
- Line layout showing pallet flow and curing area sized to your 200 m² site
- Capacity calculation sheet stating output per block format, not a single peak number
- Voltage, frequency, and motor type confirmation signed before assembly begins
- Factory test record on your chosen mould with block dimensions and weight logged
- Packing photographs showing dismantling state and container loading sequence
Installation, Commissioning & Support
- 200 m² site with level concrete pad; no special foundation bolts required for the 1 T frame
- Diesel or electric motor confirmed; electric units need a dedicated 3-phase circuit matching quoted voltage
- Hopper and feed tray reattach in sequence documented by pre-shipment photographs
- First production run supervised remotely; vibration time adjusted to your local sand and stone mix
- Mould change procedure covered during handover, with scraper alignment checked on each format
- Wear parts list provided with recommended reorder intervals based on 8-hour shift cycles
Before You Request a Quote
Tell us the block format your customers actually buy and the daily volume you need from a single shift. Share your local aggregate type — river sand, crushed stone, fly ash — so we can set the vibration time and cement ratio expectation. If your site has grid power, provide the voltage and frequency at the main panel; if it does not, we will quote the diesel motor option. Finally, confirm whether your curing yard uses standard pallets or a custom rack system so the 850×450 mm pallets we ship will fit.
Frequently Asked Questions
Q: Is the QTJ4-40 block machine in stock and ready to dispatch immediately?
A: Completed units with standard hollow block moulds are held in our Linyi yard. Once you confirm motor type and electrical specifications, we schedule container loading within days. Dispatch lead time is quoted in writing at the proposal stage so you can plan your project timeline around a known date rather than an estimate.
Q: How is the machine loaded into a container, and what needs reassembly on arrival?
A: The hopper, feed tray, and scraper arm are detached and secured inside a standard 20-foot container alongside pallets and moulds. Pre-shipment photographs document every connection point. On arrival, your team follows the reassembly sequence with remote guidance from our side before the first production run begins.
Q: Can I switch from electric to diesel motor, or change voltage after ordering?
A: Yes, if caught before the control box is wired. This is exactly why we confirm voltage, frequency, and motor type in writing before assembly starts. Changing specifications after wiring means rework and a revised dispatch date, so we lock these details during the quotation stage.
Q: Which standard moulds come with the machine, and can I add more formats to the same shipment?
A: The base package includes the mould matched to your primary block format — typically 400×200×200mm hollow block. Additional moulds for pavers, interlocking bricks, or solid blocks are loaded into the same container on the pallet rack. Mould drawings are confirmed before shipment so each format matches your local market dimensions.
Q: What arrival timeline should I plan for after confirming the order?
A: Sea freight duration depends on your destination port. We quote the estimated arrival date alongside the dispatch date so you can coordinate customs clearance, forklift availability, and site preparation. Customs documentation support is included to avoid delays at the port of entry.
