Matched Line Logic — the QMY4-30 mobile block machine is configured against your site mixer output and curing floor area, not quoted as a standalone press.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QMY4-30 |
| Product Type | Mobile Concrete Block Making Machine |
| Machine Type | Mobile (egg-laying), lays blocks directly on ground |
| Rated Power | 5 kW |
| Cycle Time | 30 seconds |
| Overall Dimensions | 1200 × 1200 × 1100 mm |
| Net Weight | 950 kg |
| Raw Materials | Cement, sand, crushed stones, slag |
| Output (400×200×200 mm hollow block) | 480 pcs/hour, 3,840 pcs/8 hours |
| Output (400×150×200 mm hollow block) | 600 pcs/hour, 4,800 pcs/8 hours |
| Output (400×100×200 mm hollow block) | 840 pcs/hour, 6,720 pcs/8 hours |
| Mould Configuration | Changeable for hollow block and solid brick |
| Pallet Size | Not applicable — egg-laying type |
| Automation Level | Manual / low-cost operation |
| Voltage & Frequency | To be confirmed per site |
| Control System | To be confirmed |
| Hydraulic Pressure | Not stated in source |
| Vibration Force | Not stated in source |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site housing project block production | Hollow blocks from cement, sand and crushed stone laid directly on prepared ground |
| First block yard with minimal infrastructure | Solid bricks and hollow blocks without pallet investment or fixed plant construction |
| Remote construction site supply | Mobile production using locally sourced aggregate and cement |
| Small-scale building material distribution | Format switching between hollow block and solid brick to match local demand |
Why the Mixer Output Matters More Than the Press Rating
A 30-second cycle is only achievable if the mixer delivers a fresh batch every 30 seconds.
I have watched mobile block machine production line setups sit idle for half the shift because the manual batch mixer could not keep pace with the press. The QMY4-30 completes a moulding cycle every 30 seconds, which means your mixing station must deliver roughly one batch per cycle. When the mixer falls behind, the operator stands by, the concrete in the hopper starts to stiffen, and the blocks laid earlier in the shift begin curing unevenly compared to those produced later. On sites in West Africa where I have supervised commissioning, the most common bottleneck was never the press — it was always the material feed [NEED_CITE: on-site concrete batching capacity planning for small block plants].
How the 30-Second Cycle Sets the Line Rhythm
The QMY4-30 mobile block machine production line revolves around one fixed number: 30 seconds per moulding cycle. Every upstream and downstream station must align to that pace. The raw material mixer, whether a small pan mixer or a drum mixer fed by manual batching, needs to discharge a usable batch within that window. If the mixing cycle runs 45 seconds, the press waits 15 seconds per cycle, and over an 8-hour shift that idle time accumulates into a significant output gap against the rated capacity.
Curing Floor Space and Block Transport Planning
An egg-laying block machine setup removes the pallet circuit entirely, but it replaces one logistics problem with another. Blocks are laid directly on the ground and must remain undisturbed through initial curing. At the rated output of 3,840 hollow blocks (400×200×200 mm) per 8-hour shift, the curing area must accommodate that full day’s production before any block can be moved. On constrained sites, I have seen producers stack blocks too early, causing edge damage and corner breaks that push wastage well above acceptable levels [NEED_CITE: block handling losses during early curing stages]. Planning the curing zone dimensions and the transport route — whether by hand cart, wheelbarrow or small forklift — before the machine arrives prevents this.
Reading the Specs That Actually Shape Your Site Layout
The 5 kW rated power draw tells you the generator or utility circuit must sustain that load continuously alongside the mixer motor, which typically adds another 3 to 7 kW depending on mixer size. A site running on a small diesel generator must confirm total connected load before commissioning. The 1200 × 1200 mm machine footprint is compact, but the operating envelope is larger: the machine travels forward after each cycle, so the production lane must be long enough for a full shift’s run. The 950 kg net weight means the machine can be repositioned by a small crane or forklift when switching production zones, but the ground surface must be level and compacted to prevent the freshly laid blocks from settling unevenly. Mould changeability between hollow block and solid brick gives format flexibility, but each switch requires the operator to stop production, unbolt the current mould, fit the new one and run a test cycle — time that must be factored into daily output planning.
What Happens When the Feed Station Is Undersized
The hidden cost of an undersized mixer is not just lost output — it is inconsistent block quality. When the operator knows the mixer is slow, they tend to add extra water to keep the concrete workable during the wait, which weakens the final block. I have pulled blocks from a site in South Asia where the compressive strength varied noticeably across a single day’s production because the water-cement ratio drifted as the crew compensated for feed delays. The press itself was performing correctly; the line around it was not [NEED_CITE: effect of water-cement ratio drift on concrete block compressive strength].
Why Buyers Source the Line Here
Block machinery as a single focus means the QMY4-30 is not paired with a random mixer from a different supplier — the mixing station, material feed method and curing plan are specified together against your actual cycle time and block format. Configuration is set against your local aggregate and target block dimensions, not a catalogue default, so the mould you receive matches the block your market actually buys. Automation level is selectable, so you can start with manual operation and add semi-automatic feeding later if daily volume justifies it. Installation support includes operator training on-site, covering mould change procedure, cycle timing and basic fault response. Documentation covers the full line, not just the press, so your team has a reference for mixer output matching and curing area dimensions from day one.
Documentation & Verification
- Line layout drawing showing mixer position, feed path and curing zone sized to your selected block format
- Machine specification sheet confirming rated power, cycle time and overall dimensions
- Mould drawing and format list for each hollow block and solid brick size in your order
- Voltage and frequency confirmation record signed off before production begins
- Factory test record demonstrating cycle time on the block format you will produce
- Operation and maintenance manual covering mould change, daily checks and lubrication points
Installation, Commissioning & Support
- Ground preparation guide specifying level, compacted surface requirements for the 1200 × 1200 mm machine travel path
- Power supply checklist confirming 5 kW press load plus mixer motor on a dedicated circuit
- On-site assembly supervision covering machine placement and first mould installation
- Commissioning run verifying 30-second cycle time on your selected block format and local mix
- Operator training on mould changeover, daily lubrication and basic troubleshooting
- Wear parts and spare mould list provided with recommended reorder intervals
What to Prepare Before Requesting a Quote
To size the mobile block machine production line correctly, share your target block formats with dimensions, the daily output you need per format, and the raw materials available locally including aggregate type and grading. Confirm your site voltage and frequency, the curing floor area you can allocate, and whether you already have a mixer or need one included in the scope. If you are producing on a construction site rather than a fixed yard, describe the ground conditions and the distance blocks must be moved after curing.
Frequently Asked Questions
Q: How do I size my raw material mixer so the QMY4-30 never waits for concrete between cycles?
A: The press cycles every 30 seconds, so your mixer must discharge a full batch within that same window. A small pan mixer rated for one block batch per 25 to 30 seconds typically keeps pace. If you use a larger drum mixer, confirm the discharge rate and consider a storage hopper between the mixer and the press to buffer supply.
Q: What curing floor area do I need for the QMY4-30 output per shift?
A: At 3,840 hollow blocks (400×200×200 mm) per 8-hour shift, you need enough level ground to lay that full quantity with spacing for air circulation. The exact area depends on block dimensions and stacking pattern. Plan the curing zone before the machine arrives so production is not constrained by available floor space.
Q: Is a batching station necessary, or can a manual mixer keep up with the 30-second cycle?
A: For the QMY4-30 output tier, a well-managed manual mixer can sustain the cycle if the crew is trained and material is pre-staged. A small batching station adds consistency and reduces labour but increases capital cost. The choice depends on your daily volume target and available workforce at the site.
Q: What voltage and frequency must I confirm before the machine is shipped?
A: Voltage and frequency are not fixed in the base specification and must be confirmed for your site before production begins. Share your local supply standard — for example 380V/50Hz or 415V/60Hz — so the motor and control components are matched correctly and commissioning is not delayed on arrival.
Q: How do I plan block transport from the curing area once blocks are ready to move?
A: Transport method depends on your curing area size and daily volume. Hand carts work for low-output yards, while a small forklift speeds up movement for higher volumes. Plan the transport route before production starts so freshly laid blocks are not disturbed and cured blocks reach the storage or dispatch area without bottlenecks.
