QT4-15A Automatic Hydraulic Block Making Machine | Full Range

Matched System Approach — The QT4-15A is specified as one coordinated unit with pallet feeder, conveyor and sweeper included, not assembled from separate suppliers after the fact.

Technical Specifications

Application Suitability

What "Cycles per Hour" Leaves Out About the QT4-15A

Capacity only means something when you know which block format the number assumes.

I once watched a buyer in West Africa celebrate a quoted 12,000-block daily output, only to discover on commissioning day that figure was based on a solid brick format his market did not buy. His actual hollow block output settled at roughly half. The Automatic Hydraulic Block Making Machine for sale listings across this industry routinely quote a single cycles-per-hour number and leave the format assumption buried or absent entirely. When you evaluate the QT4-15A against other tiers in the SHIYUE range, the per-format breakdown matters more than the headline figure [NEED_CITE: common block machine capacity misrepresentation in export quotations]. A 408-piece-per-hour rate on 400×200×200 hollow blocks tells a very different story than 2,100 solid bricks in the same hour — and your plant economics depend on knowing which one applies to your market.

Placing the QT4-15A Across the SHIYUE Machine Range

The QT4-15A occupies the mid-tier automatic position in the full SHIYUE block machine lineup. Below it sit semi-automatic models where pallet handling remains manual and output depends on operator pace. Above it, high-capacity automatic lines add batching plants, automatic stackers and cubing systems that push daily volumes well beyond what a single press station can manage. The QT4-15A Automatic Hydraulic Block Making Machine bridges that gap by including a pallet feeder, brick conveyor and block sweeper as standard — giving buyers a complete press station without committing to a full-line investment on day one.

Where This Tier Fits Your Investment Decision

Buyers setting up a first block plant often face a choice between a lower-cost semi-automatic machine that demands more labour and a high-capacity line that requires a larger curing yard and higher upfront capital. The QT4-15A sits between these two points. Its 7,100×1,600 mm footprint suits mid-scale plant layouts, and the 3 T weight means standard concrete foundations handle the load without specialised piling. For building material distributors evaluating regional sales volume before committing, this tier offers PLC-controlled consistency while leaving room to add stacking and cubing automation later [NEED_CITE: typical block plant upgrade paths from mid-tier automatic].

Reading the Specifications That Actually Shape Output

The vibration force rating of 40–50 kN combined with a high-pressure hydraulic station determines how densely the mix is compacted into the mould cavity. Higher compaction means stronger blocks at脱模, which directly affects how many blocks survive handling before curing is complete. The 4,600 r/min vibration frequency works with this pressure to settle fine particles around coarse aggregate — important when your local sand contains a high dust fraction or when fly ash replaces part of the cement content. The 850×550×25 mm pallet size defines your curing rack dimensions and the forklift capacity you need on the yard side. The 15–25 second molding cycle range reflects the difference between a simple solid brick and a deeper hollow block that needs longer vibration to fill the core voids evenly. The JQ350 mixer included in the line must complete its batch within that same cycle window, or the press sits idle waiting for the next charge.

The Hidden Cost of Skipping Configuration Checks

When voltage and frequency are not confirmed before production, a machine built for 380V/50Hz arrives in a 440V/60Hz market and the hydraulic pump runs outside its designed curve from the first hour. PLC display language left unspecified means your operator stares at Chinese-character fault codes during commissioning, delaying production while translations are sourced. Pallet size chosen without checking your existing curing racks forces you to either replace the racks or run a mismatched pallet that jams the feeder. These are not theoretical problems — they show up repeatedly on first-start calls [NEED_CITE: common commissioning delays in exported block machinery]. Every one of them is avoidable with a confirmation step before the order goes to production.

Why Buyers Specify the QT4-15A Through SHIYUE

Block machinery is our single focus, so the QT4-15A is quoted as a matched system — press, mould, pallet and handling equipment specified together rather than assembled from separate purchase orders. Configuration starts from your actual mix design and local aggregate, not a catalogue default that assumes materials you cannot source. Mould design covers the formats your market actually sells, including custom drawings when your region demands a size outside the standard range. The automation level is selectable: you can take the QT4-15A with manual pallet handling today and add automatic stacking later as volume grows. Installation support includes operator training so your team understands mould change procedure, hydraulic pressure adjustment and PLC fault diagnosis from week one.

Documentation & Verification

• Line layout and capacity calculation stating the block format assumed for QT4-15A output figures
• Machine specification sheet confirming your destination voltage, frequency and PLC language before production
• Mould drawing and format list matching your market block sizes with pallet size compatibility noted
• Factory test record with photographs showing the QT4-15A running your specified mould before dispatch
• Hydraulic and electrical schematic for your maintenance team’s reference during operation
• Packing photographs verifying all included accessories — pallet feeder, conveyor, sweeper, hydraulic trolley — before container loading

Installation, Commissioning & Support

• Concrete foundation sized to the QT4-15A’s 7,100×1,600 mm footprint and 3 T operating weight
• Dedicated power circuit matching confirmed voltage and the 18.45 kW total power draw
• Pallet feeder alignment and conveyor integration checked during on-site commissioning
• PLC parameter setting for your selected molding cycle range and block format
• Operator training covering mould change, hydraulic pressure adjustment and fault code reading
• Wear parts and mould list provided for your first replacement order planning

Before You Request a Quote

Tell us which block formats your market actually buys and the daily volume you need to hit — not a general "block machine" inquiry, but specific sizes and target output per format. Share your local raw materials, including aggregate type, maximum particle size and whether fly ash or stone dust is available at reasonable cost. Confirm your site’s voltage, frequency and the language your operators need on the PLC display so the QT4-15A arrives ready to commission.

Frequently Asked Questions

Q: How does the QT4-15A output compare to SHIYUE’s semi-automatic and high-capacity tiers?
A: The QT4-15A sits between entry-level semi-automatic machines and full automatic lines. Semi-automatic models require manual pallet handling, reducing effective hourly output. High-capacity lines add automatic stacking and cubing for higher daily volumes. The QT4-15A delivers PLC-controlled pressing with included pallet feeding and conveying, offering a mid-tier investment point with an upgrade path available.

Q: What block formats are included in the QT4-15A capacity calculation?
A: Published figures cover 400×200×200 mm hollow blocks at 408 pieces per hour, 400×150×200 mm hollow blocks at 510 pieces per hour, and 240×115×53 mm solid bricks at 2,100 pieces per hour. If your target format differs from these three, request a specific cycle time and output calculation based on your mould design before comparing against other machines.

Q: Where does the QT4-15A sit in plant footprint compared to mobile machines?
A: The QT4-15A requires a fixed foundation within a 7,100×1,600×2,610 mm envelope plus space for pallet circulation and curing. Mobile and egg-laying machines operate without fixed pallets but produce lower volumes and fewer format options. The QT4-15A suits buyers who have a dedicated production area and need consistent output across multiple block formats.

Q: Can I start with a basic configuration and add automation later?
A: Yes. The QT4-15A supports selectable automation levels. You can begin with manual pallet handling at the press exit and add automatic stacking and cubing equipment as your daily volume grows. The PLC control system accommodates these additions without replacing the main press unit.

Q: What voltage and PLC language should I confirm before ordering?
A: Confirm your site’s supply voltage, phase configuration and frequency — these vary between markets and affect motor and hydraulic pump specification. Also specify the language you need on the PLC display so operators can read cycle parameters and fault codes without translation delays during commissioning.