QT5-15 Automatic Hydraulic Concrete Block Making Machine | Full Range

Matched System Sizing — every output tier in the Shiyue range is calculated against the buyer’s target block format and local aggregate before a line layout is drawn.

Technical Specifications

Application Suitability

What a Quoted Cycle Time Actually Means for Your Daily Output

The QT5-15 automatic concrete block making machine manufacturer specification lists 15–25 seconds per cycle, but that range shifts depending on which block format sits on the pallet.

I have watched buyers take a headline cycle number, multiply it by eight hours, and build a business plan around a daily tonnage the machine was never going to hit with their chosen mix. One Middle East contractor ordered a stationary block line rated for standard hollow blocks, only to discover the local crushed stone ran a fraction coarser than the default vibration setting could compact. The press still cycled, but the blocks crumbled at demolding until we re-tuned the frequency and pressure together — and the real daily count dropped to roughly half the original expectation [NEED_CITE: effect of aggregate gradation on vibration compaction]. The honest move is to name the format, the mold cavity count, and the mix every time a capacity figure is quoted.

Where the QT5-15 Sits in the Shiyue Stationary Range

The Shiyue stationary lineup spans small workshop presses at the entry tier up through high-capacity automatic lines with full stacking and cubing. The QT5-15 occupies the mid-to-high automatic tier, sitting above the semi-automatic models that still rely on manual pallet handling and below the top-tier machines built for continuous three-shift production. This positioning matters when you are mapping out plant footprint: the 7400×1950×2800 mm press envelope leaves room for a curing rack circuit and a forklift lane without demanding the warehouse-scale floor space that a top-tier line requires. Buyers stepping up from a mobile egg-laying machine often land here because the pallet size and output bracket match a first dedicated plant.

Automation Level and the Path Forward

Choosing an automatic concrete block making machine manufacturer configuration at this tier means the hydraulic demolding, pallet feed, and vibration sequence run under programmed control while the operator manages raw material supply and finished block handling. That baseline automation removes the heaviest manual tasks without locking you into a fully unattended line you may not yet have the curing infrastructure to support. If daily demand grows, the same platform can accept upgraded stacking and cubing modules, so the investment in the QT5-15 press itself is not discarded when capacity needs to climb [NEED_CITE: modular upgrade path for stationary block presses].

Reading the Specs That Shape Your Block Quality

Hydraulic rated pressure at 21 MPa and platform vibration adjustable between 2800 and 4500 r/min work as a pair: pressure squeezes the mix into the mold cavity while vibration settles the aggregate into voids. If vibration frequency is too low for a coarse gravel mix, the block leaves the mold with honeycomb surfaces and low compressive strength; too high and the fines separate, weakening the block core. The 1100×550 mm pallet size is a second quiet decision — it determines how many blocks sit on each board, which in turn dictates the spacing and capacity of your curing racks. Order pallets that do not match the racks you already own, and you spend the first month shuffling boards by hand. Molding cycle at 15–25 seconds is the third variable: shorter cycles suit fine-sand paver mixes that consolidate fast, while hollow blocks with thicker webs need the upper end of that range to let the hydraulic pressure fully transmit through a deeper cavity.

The Cost of Skipping the Format Conversation

When a buyer confirms price before confirming block format, the machine arrives with a default mold that may not match the dimensions the local market actually buys. Swapping that mold later means paying for a second set, waiting weeks for shipping, and running single-format in the meantime [NEED_CITE: mould lead times and format changeover delays]. Voltage and frequency left unspecified create a different problem: the motor and PLC arrive wound for a grid that does not match the site supply, delaying commissioning until a transformer or rewinding is arranged. Both issues are preventable with a ten-minute conversation before the order is locked.

Why Buyers Source This Tier from Shiyue

Block machinery is the single focus here, which means the QT5-15 press, its molds, pallets, and handling equipment are specified as one matched set rather than assembled from separate vendors. Configuration starts from your actual mix design and local aggregate, not a catalogue default, so vibration frequency and hydraulic pressure are tuned before the machine leaves the factory. Mold design covers the formats your market sells, with custom drawings available when standard cavity counts do not fit. The automation level is selectable — start with the automatic press and add stacking or cubing later as your curing area expands. Installation support includes operator training on mold change, cycle tuning, and daily maintenance routines specific to this platform.

Documentation & Verification

• Line layout drawing with QT5-15 footprint and curing rack spacing matched to 1100×550 mm pallets
• Capacity calculation sheet stating hollow block, paver, and solid block output per format with cycle assumptions
• Mold drawing and format list showing cavity count and dimensions for each block type included
• Factory test record verifying cycle time and block density against your target mix before dispatch
• Voltage, frequency, and PLC display language confirmation document signed off prior to shipment

Installation, Commissioning & Support

• Foundation pad sized for 7400×1950 mm footprint with anchor bolt pattern matching the QT5-15 base frame
• Dedicated 26.5 kW power circuit with breaker rating confirmed against site voltage and frequency
• Machine shipped in dismantled sections for container loading, reassembled and leveled on-site
• First-run commissioning includes vibration frequency sweep across your mix to set the 2800–4500 r/min range
• Operator training covers hydraulic demolding sequence, mold change procedure, and daily greasing points
• Wear parts list with hydraulic seal and vibration motor bearing part numbers for local sourcing

Before You Request a Quote

Tell us which block formats your market moves — hollow block dimensions, paver profiles, curbstone lengths — and the daily volume you need per format. Share a sample or analysis of your local crushed stone and sand so the vibration and pressure settings can be matched before production. Confirm the site voltage, frequency, and the language you want on the PLC display so the electrical package is built correctly the first time.

Frequently Asked Questions

Q: How is the QT5-15 capacity verified per block format, and what are the real daily output assumptions?
A: Each output figure is tied to a specific mold cavity count and cycle time — for example, 1800 pieces per hour for 400×200×200 mm hollow bricks assumes 5 cavities and a 16–20 second cycle. We provide a capacity calculation sheet that lists every format you plan to run so daily planning is based on verified numbers, not a single headline figure.

Q: Where does the QT5-15 sit compared to semi-automatic and higher-tier automatic models in the Shiyue range?
A: It occupies the mid-to-high automatic tier, above semi-automatic presses that still need manual pallet handling and below top-tier lines designed for continuous three-shift output. This tier suits buyers scaling a first dedicated plant who want automatic hydraulic demolding without the floor space a full cubing line demands.

Q: What voltage, frequency, and PLC language options are confirmed before dispatch?
A: Voltage and frequency are confirmed during the quotation stage to match the buyer’s site grid, and the PLC display language is set before the control panel is wired. A signed confirmation document is part of the pre-shipment package so commissioning is not delayed by electrical mismatches.

Q: How does the 1100×550 mm pallet size affect curing area planning and forklift compatibility?
A: Pallet dimensions dictate curing rack spacing and the load envelope your forklift must handle. We match the pallet spec to the rack layout in the line drawing so boards flow from press to curing area without re-stacking, and confirm that your existing forklift can lift a fully loaded pallet at this size.

Q: What installation footprint and plant layout does the QT5-15 require for a complete block line?
A: The press itself measures 7400×1950×2800 mm, and the full line layout adds raw material feed, pallet return, and curing rack circuit around that envelope. We provide a scaled layout drawing showing each station so foundation work and utility routing can begin before the machine arrives on site.