Description
Matched to Format — Every QMY4-30 output figure ties back to a named block size and molding cycle, so capacity planning starts from the product you actually sell.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QMY4-30 |
| Product Type | Mobile Egg Laying Concrete Block Making Machine |
| Forming Method | Hydraulic with Mould Vibration |
| Demold Method | Hydraulic |
| Molding Cycle | 25–30 seconds |
| Total Installed Power | 5.95 kW |
| Pallet Requirement | Palletless (egg-laying / mobile) |
| Output — 400×200×200 mm hollow block | 4 pcs/mould, 480 pcs/hour, 3,840 pcs per 8-hour shift |
| Output — 400×150×200 mm block | 5 pcs/mould, 600 pcs/hour, 4,800 pcs per 8-hour shift |
| Output — 400×100×200 mm block | 7 pcs/mould, 840 pcs/hour, 6,720 pcs per 8-hour shift |
| Mould Format Options | 400×200×200 mm, 400×150×200 mm, 400×100×200 mm |
| Automation Level | Manual / Semi-automatic mobile operation |
| Operating Environment | Mountainous, hilly, mining, desert, coastal terrain |
| Voltage & Frequency | Basis not stated in source — confirm with buyer’s site |
| Control System | Basis not stated in source — confirm PLC or relay |
| Overall Dimensions | Basis not stated in source |
| Net Weight | Basis not stated in source |
| Standards | ISO 9001:2000, CE |
Application Suitability
| Application | Material or Output |
|---|---|
| On-site hollow block production for building contractors | Cement, crushed stone, sand — 400×200×200 mm hollow format |
| Housing project block supply in remote terrain | Local desert or river sand with cement binder, solid 400×150×200 mm |
| First-operation block making for entrepreneurs | Low-capital palletless production across all three mould formats |
| Development contractor producing kerb and partition blocks | 400×100×200 mm solid blocks laid directly on prepared ground |
What "Pieces per Hour" Leaves Out When No Block Size Is Named
Capacity only means something when the format, cycle time, and mould are all stated together.
Many quotations list a single output number without naming which block size or cycle produced it. Buyers then discover on site that switching from a 100 mm solid to a 200 mm hollow format drops hourly output noticeably, because each mould holds fewer cavities and the vibration dwell must be adjusted. With the QMY4-30 mobile block machine, the three published figures — 480, 600, and 840 pieces per hour — are each tied to a specific dimension and a 25–30 second cycle. If your market primarily sells 200 mm hollow blocks, the daily plan starts from 3,840 pieces per shift, not the higher number that belongs to a thinner solid format. [NEED_CITE: typical block format demand ratios in Middle Eastern construction markets]
Mould Vibration and Hydraulic Demolding Working Together
The QMY4-30 combines mould vibration with hydraulic demolding rather than relying on gravity drop alone. Vibration consolidates the mix inside the cavity, while hydraulic pressure holds the mould box steady until the block has enough green strength to stand without a pallet. This pairing keeps block density consistent across all three available formats, from the four-cavity 200 mm hollow mould up to the seven-cavity 100 mm solid mould. The mobile block machine lays blocks directly on prepared ground, so density uniformity also prevents corner slumping before the concrete sets.
Palletless Operation and What It Removes From Your Budget
Egg-laying design means no pallets to purchase, store, rotate, or replace. On a desert housing project I worked on, a fixed plant with pallets required a forklift, a curing rack system, and a pallet return loop — none of which the contractor had budgeted for. The QMY4-30 eliminates that entire material-handling chain. You prepare a flat strip of ground, the machine moves forward after each cycle, and blocks cure in place. [NEED_CITE: pallet replacement and curing logistics cost in small block operations] This keeps the initial capital outlay focused on the press and moulds alone, which matters when you are setting up a first block operation or producing for a single project site.
Reading the Core Parameters Against Your Site Conditions
Molding cycle of 25–30 seconds is measured at the machine; actual pace depends on how quickly the operator repositions the unit and feeds the next batch. Total installed power at 5.95 kW means the QMY4-30 can run from a standard site generator without a dedicated high-capacity supply — a practical advantage on remote housing developments where grid power is unreliable. The hydraulic-with-vibration forming method requires the mix to arrive at a specific moisture window; too dry and the block cracks on demold, too wet and it sags before curing. I once watched a desert-sand mix with high salt content refuse to consolidate until we adjusted the water ratio and extended vibration dwell by a few seconds. Voltage and frequency remain open until your site electrical standard is confirmed, and the control system — PLC or relay — should match the operator’s language and troubleshooting skill. [NEED_CITE: voltage and frequency standards by export market]
What Happens When the Mix Design Does Not Match Local Aggregate
If the machine is configured for river sand but your site only has high-salinity desert sand, the first week of production will show cracking and low compressive strength. The QMY4-30 vibration and pressure settings can be tuned, but only if the actual sand sample is tested before the machine ships. A mix that works in a factory trial may fail on a coastal site where aggregate carries chlorides. Buyers who skip the sample step often spend weeks adjusting ratios on site, losing production days and cement to trial batches. [NEED_CITE: effect of saline aggregate on concrete block compressive strength]
Why Sourcing From a Block-Machinery Specialist Matters
Block machines, moulds, and ground preparation are specified as one matched system rather than assembled from separate suppliers. The QMY4-30 mould options are selected against the block formats your market actually buys, and custom mould drawings are available when standard sizes do not match local building codes. Configuration is set against your actual mix design and local aggregate, not a catalogue default. Installation support includes operator training on mould change procedures and cycle pacing. Factory test records document the cycle time and block dimensions achieved with each supplied mould before dispatch.
Documentation & Verification
- Capacity calculation sheet stating the block format assumed for each output figure
- Mould drawing and format list confirming supplied cavity sizes
- Voltage, frequency, and control language confirmation record before shipment
- Factory test record showing actual cycle time per mould
- Operation and maintenance manual covering hydraulic and vibration settings
Installation, Commissioning & Support
- Ground preparation guidance specifying flatness tolerance for palletless egg-laying operation
- Power connection plan matching the 5.95 kW total draw to your site generator or grid supply
- On-site commissioning with mould-by-mould cycle time verification across all supplied formats
- Operator training covering mix moisture adjustment and vibration dwell tuning for local aggregate
- Wear parts list identifying hydraulic seals and mould liner replacement intervals
Before You Request a Quote
To size the QMY4-30 correctly, share the block formats your market sells most, the type of sand or aggregate available locally, and your site voltage and frequency. If you are producing for a specific housing or infrastructure project, include the daily block volume required and the terrain conditions at the build location. This information lets the configuration start from your actual production target rather than a generic catalogue entry.
Frequently Asked Questions
Q: How is each output capacity figure calculated for the QMY4-30?
A: Every number ties to a specific mould. The 400×200×200 mm hollow mould holds 4 cavities and yields 480 pieces per hour at a 25–30 second cycle. The 150 mm and 100 mm moulds hold 5 and 7 cavities respectively, giving higher hourly counts. Daily shift figures assume eight hours of continuous operation.
Q: What mould formats are available, and can I order custom sizes?
A: Standard supply covers 400×200×200 mm hollow, 400×150×200 mm, and 400×100×200 mm solid formats. Custom mould drawings can be produced to match local building codes or project specifications. Mould change on site involves unbolting the mould box and fitting the replacement, a task operators are trained to perform during commissioning.
Q: What voltage and control configuration will ship with my machine?
A: Voltage, frequency, and control type — PLC or relay — are confirmed during the quotation stage once your site electrical standard and operator language preference are known. This prevents commissioning delays caused by mismatched panels or unreadable displays on arrival.
Q: How does local aggregate affect block strength from the QMY4-30?
A: Compressive strength depends on the mix design matched to your sand or crushed stone. Desert sand with high salt content, for example, requires adjusted water ratios and sometimes extended vibration dwell. Providing a local aggregate sample before production allows the hydraulic pressure and vibration settings to be tuned in advance.
Q: What terrain conditions can the QMY4-30 operate on?
A: The machine is designed for mountainous, hilly, mining, desert, and coastal site conditions. Ground must be prepared to a reasonable flatness for palletless egg-laying operation. On uneven terrain, a graded strip is prepared ahead of the machine’s travel path so blocks cure level and maintain dimensional accuracy.
