Integrated Line Matching — Mixer, press and trolley are specified as one connected system so the QMR4-45 never waits on material feed.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QMR4-45 |
| Product Type | Mobile Block Machine |
| Power Source | Diesel / Petrol Engine / Electric (configurable) |
| Overall Dimensions (L×W×H) | 1100 × 950 × 2100 mm |
| Net Weight | 810 kg |
| Molding Cycle | 30–45 s (varies by block format) |
| Output Capacity | 2560 pcs/day (basis not stated in source — confirm block format and wall thickness) |
| Pallet Requirement | No pallet required (egg-laying design) |
| Mobility | Mobile, self-propelled on-site |
| Compatible Block Formats | Paver brick, hollow block, concrete block, solid brick, fly ash brick |
| Included Supporting Equipment | JZC350 Diesel Concrete Mixer or JQ350 Diesel Concrete Mixer with Electric Generating Unit; Trolley |
| Warranty | 1 Year |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site block production at housing developments | Crushed stone, cement and local aggregate for hollow and solid blocks |
| Remote infrastructure projects without grid power | Diesel-powered paver and kerbstone production on unprepared ground |
| First-time block plant startups with limited infrastructure | Small-batch concrete and fly ash brick manufacturing |
| Contractor self-supply on building sites | Solid and interlocking brick from locally available sand and cement |
What "2560 Pieces per Day" Actually Assumes for Mobile Block Machine Production
The daily figure only holds if the block format, molding cycle and mixer feed rate are all stated together.
When buyers see a single output number without context, they assume it applies to whatever block they plan to make. In practice, a 30-second cycle on a thin paver is very different from a 45-second cycle on a 200 mm hollow block. I once watched a crew lose half a shift because the quoted capacity was based on a format they never intended to produce. The mixer also has to deliver a fresh batch before the press completes its current cycle; otherwise the machine sits idle and real output drops well below the brochure number [NEED_CITE: block machine capacity calculation standards].
How the Mixer-to-Press Feed Loop Works on Site
The QMR4-45 ships with either a JZC350 or JQ350 diesel concrete mixer plus a trolley, forming a compact material circuit. The mixer batches a load, the trolley carries it to the press hopper, and the press cycles through its mold fill and compaction sequence. If the mixer batch size and mixing time are not matched to the press molding cycle, the Mobile Block Machine production line stalls at the hopper waiting for the next charge. This station-to-station timing is the difference between a line that runs and one that merely occupies space.
Why Egg-Laying Design Removes an Entire Handling Layer
Because the QMR4-45 lays blocks directly on the ground and moves forward after each cycle, there is no pallet to purchase, no curing rack to build and no forklift needed to shuttle wet products to a yard. For a remote housing project or a contractor pouring blocks at the build site, this eliminates the pallet investment and the labor of feeding pallets one by one. The trade-off is a flat, prepared ground surface — but for many Mobile Block Machine production line setups, that surface already exists [NEED_CITE: mobile block machine ground preparation requirements].
Reading the Cycle Time and Power Source Specs
The 30–45 second molding cycle is a range, not a fixed number. Thinner pavers complete faster; taller hollow blocks need the full upper end. Choosing between diesel, petrol and electric power sources is not just about preference — remote sites without reliable grid supply benefit from diesel independence, while grid-connected workshops reduce running cost with electric operation. The 810 kg net weight keeps the machine mobile yet heavy enough for consistent vibration compaction. Overall dimensions of 1100 × 950 × 2100 mm mean the unit fits through standard site access points without special transport.
When the Mixer Cannot Keep the Press Fed
If the concrete mixer is undersized relative to the press cycle, every molding stroke ends with the operator standing idle waiting for the next trolley load. The quoted daily output becomes unreachable, and workers start cutting corners on mix consistency to speed up batching. Block strength varies from one batch to the next because the water-to-cement ratio drifts under time pressure. Over a week, this compounds into hundreds of blocks that fail a basic drop test [NEED_CITE: concrete block compressive strength field testing].
Why This Configuration Approach Differs
The QMR4-45 is not quoted as a standalone press. The mixer, trolley and power source are selected together so the Mobile Block Machine production line arrives as a matched system. Capacity calculations state the block format assumed, not a generic number. Mould options are matched to the formats the buyer’s local market actually sells. Power source is confirmed against site voltage and frequency before production begins. Factory testing records show cycle time per quoted block format, not a single best-case figure.
Documentation & Verification
- Line layout showing mixer, trolley and press positions with cycle time per block format
- Capacity calculation sheet stating the specific block size behind the daily output figure
- Power source confirmation record matching diesel or electric choice to site conditions
- Factory test record with actual molding cycle measured on your selected mould
- Operation and maintenance manual covering both the press and the included concrete mixer
Installation, Commissioning & Support
- Flat, compacted ground surface required for the 1100 × 950 mm footprint before first egg-laying run
- Diesel mixer requires fuel supply and basic servicing tools on site from day one
- Electric variant needs confirmed voltage and frequency before motor and control wiring
- Mould swap training included so operators can change block formats without external help
- Wear parts list provided with hydraulic seals and vibration components identified for reorder
Starting Your Line Configuration
To size this Mobile Block Machine production line accurately, share the block format and dimensions you plan to produce, your target daily output and whether your site has reliable grid electricity or needs diesel operation. Ground conditions and available curing yard space also help determine whether the egg-laying setup fits your project without additional handling equipment.
Frequently Asked Questions
Q: What block format is the 2560 pcs/day output based on?
A: The source does not state which block format or wall thickness that figure assumes. Before ordering, request a capacity calculation that names the exact block size and the molding cycle used. Without this, the number is a reference, not a guarantee for your chosen product.
Q: How do I choose between diesel and electric power for this mobile line?
A: Diesel suits remote sites where grid power is unreliable or absent. Electric reduces running cost where a stable supply exists. Confirm your site voltage and frequency early — mismatched electrical specs delay commissioning after the machine arrives.
Q: What equipment is included and what must I source locally?
A: The package includes the QMR4-45 press, a JZC350 or JQ350 concrete mixer and a material trolley. You still need to provide raw materials, a flat prepared ground area, curing space and any local transport for finished blocks.
Q: How long does a mould change take on the QMR4-45?
A: Mould change time depends on the mounting system and operator familiarity. Ask for a demonstration or written procedure showing the swap process for your specific format pair, so you can plan shift schedules around format transitions.
Q: How does the mixer feed cycle stay synchronized with the press?
A: The included mixer batch size and mixing time should align with the press molding cycle so the hopper never runs dry. During commissioning, the operator adjusts water ratio and batch timing to keep material flowing without the press standing idle.
