Description
Honest Capacity by Format — every output figure for the QT4-18 is tied to the exact block format, cycle time, and pallet size you will run, not a catalogue peak number that disappears on the factory floor.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | QT4-18 |
| Product Type | Concrete Block Making Machine |
| Overall Dimensions (L×W×H) | 3900×1600×2300 mm |
| Molding Cycle | 15-25s depending on block format and mix design |
| Vibration Force (Exciting Power) | 40-50 kN |
| Total Power | 24 kW |
| Mixer Model | JQ350 |
| Pallet Size | 850×550×25 mm |
| Net Weight | 3 T |
| Control System | PLC control system |
| Hydraulic Station | Included, high-pressure configuration for stable operation |
| Included Equipment | Block making machine, hydraulic station, PLC control system, pallet feeder, brick conveyor, block sweeper |
| Free Accessories | Manual hydraulic trolley, spare parts and tools |
| Output Capacity (Hollow Block 400×200×200mm) | 1200-1680 pcs/hr based on 15-20s cycle |
| Output Capacity (Hollow Block 400×150×200mm) | 1800-2400 pcs/hr based on 15-20s cycle |
| Output Capacity (Solid Brick 240×115×53mm) | 3240 pcs/hr based on 15-20s cycle |
| Applied Products | Paver, solid block, hollow block, curbstone |
| Raw Materials | Crushed stones, sand, cement, dust, fly ash |
| Assembly State | Fully assembled line with pallet feeder, conveyor, and sweeper |
Application Suitability
| Application | Material or Output |
|---|---|
| Hollow block production for load-bearing and partition walls | Crushed stone, sand, cement, and fly ash mixes at 400×200×200mm or 400×150×200mm formats |
| Solid brick manufacturing for masonry and infill | Cement-bound aggregate blends at 240×115×53mm standard brick format |
| Paver and interlocking block production for walkways and driveways | Fine aggregate and cement mixes with surface finish requirements |
| Curbstone forming for road and pavement edging | High-strength concrete mixes with coarse aggregate content |
| On-site block production for construction contractors | Local sand, crushed stone, and cement with mobile plant setup |
What "1200 Pieces per Hour" Leaves Out About the QT4-18 Concrete Block Making Machine Specifications
Capacity only means something when you know which block format, which cycle time, and which mix produced it.
I have walked onto job sites in the Gulf where a brand-new block machine sat idle because the local sand carried high clay content, and the vibration force that worked perfectly at the factory test could not consolidate the mix into a saleable block. The supplier had quoted a peak cycle rate on an ideal material the buyer could not source within five hundred kilometres. With the QT4-18 concrete block making machine specifications, every capacity figure above is tied to a stated block format and a 15-20 second cycle, so you can calculate your actual daily output before the machine ships rather than discovering the gap during commissioning [NEED_CITE: aggregate grading and clay content impact on block compaction].
Matching the Mould to the Format Your Market Actually Buys
A block machine is only as versatile as the moulds it can accept and the time it takes to swap between them. The QT4-18 handles hollow block, solid brick, paver, and curbstone formats on one press frame, which means a small-to-medium plant can respond to shifting local demand without investing in a second machine. Mould change procedure and tooling requirements should be confirmed against your production schedule so that format flexibility does not get lost to changeover downtime.
Why Pallet Size Must Be Decided Before the Machine Ships
The 850×550×25 mm pallet dimension on the QT4-18 is not arbitrary — it governs how many blocks fit per cycle, how the pallets stack in your curing area, and whether your existing forklift can handle a loaded rack. Buyers who confirm pallet specifications after the machine is built often discover that their curing racks need re-spacing or that a different pallet material is required for the local humidity conditions [NEED_CITE: pallet material selection for block curing in arid and humid climates]. Locking this dimension during the proposal stage prevents costly rework once the line is installed.
Reading the Numbers That Actually Matter on Site
The 40-50 kN vibration force combined with the hydraulic station determines whether your specific mix — with its local aggregate shape, moisture content, and cement ratio — will consolidate into a block that meets the compressive strength your market requires. Total installed power of 24 kW across the press, mixer, and conveyor tells you the electrical supply specification you need to arrange before arrival. The JQ350 mixer capacity must match the press cycle so that the hopper never starves and the press never waits, which is where many small lines lose their rated output. PLC control with configurable display language removes the commissioning delay that happens when operators cannot read the fault codes on day one.
The Cost of Skipping the Format Conversation
When a buyer orders on price alone and leaves block format, pallet size, and electrical specification to assumption, the machine arrives and the problems begin. Voltage mismatch delays commissioning by weeks while a transformer is sourced locally. Pallets that do not fit existing curing racks force the plant to hand-stack output, cancelling the automation the buyer paid for. Moulds that produce a format the local market does not buy sit on a shelf while the buyer pays to have the correct ones manufactured and shipped [NEED_CITE: common commissioning delays in exported block making equipment].
Why Sourcing This Press Through a Format-First Process Differs
Block machinery as a single focus means the QT4-18 press, mould, pallet, and handling equipment are specified as one matched system rather than assembled from separate suppliers who each optimise for their own component. Configuration is set against your actual mix design, local aggregate, and target block format instead of a catalogue default that may not apply to your region. Mould design covers the formats your market actually sells, with custom drawings available when standard options do not match. Automation level is selectable, so you can start with the included pallet feeder and conveyor and add stacking or cubing later as volume grows. Installation support includes operator training on the specific PLC interface and mould change procedure for your format list.
Documentation & Verification
- Line layout and capacity calculation stating the block format assumed for each output figure
- Mould drawing and format list confirming the exact products included in your quotation
- Pallet specification sheet matched to your curing area dimensions and forklift capacity
- Voltage, frequency, and PLC display language confirmation document signed before production
- Factory test record on your specified block format and mix design before dispatch
- Operation and maintenance manual with wear parts and mould replacement schedule
Installation, Commissioning & Support
- Foundation pad sized to the 3900×1600 mm footprint with allowance for the JQ350 mixer and pallet feeder
- Electrical supply confirmed to match the 24 kW total load with dedicated circuit for the hydraulic station
- Machine arrives as a fully assembled line with pallet feeder, conveyor, and sweeper already connected
- PLC display language and fault code library confirmed to operator language before the machine leaves the factory
- First production run supervised on your local aggregate and mix design to verify block density and cycle time
- Wear parts and mould list provided with part numbers for reorder without returning to the original supplier
What to Include in Your First Enquiry
To size the QT4-18 correctly for your plant, the conversation needs to start with the block format your market buys most, the daily volume you need to sustain, and the raw materials you can actually source locally. Share your available voltage and frequency, the PLC display language your operators read, and the dimensions of your existing curing area so that pallet and rack compatibility can be verified before the quotation is issued.
Frequently Asked Questions
Q: How is the QT4-18 output capacity calculated per block format, and what cycle time does each assume?
A: Each capacity figure is based on a specific block format and a 15-20 second molding cycle. Hollow blocks at 400×200×200mm yield 1200-1680 pieces per hour, while solid bricks at 240×115×53mm reach 3240 pieces per hour under the same cycle assumption. Actual output depends on your mix design, operator pace, and pallet handling speed.
Q: Which mould formats are available, and how long does a mould change take on this machine?
A: The QT4-18 accepts moulds for hollow block, solid brick, paver, and curbstone formats. Mould change time depends on the specific mould set and whether quick-release tooling is included in your configuration. Confirm your format list and required changeover frequency during the proposal stage so the correct mounting system is supplied.
Q: How should pallet size and material be chosen to match my existing curing racks and forklift?
A: The standard pallet dimension is 850×550×25 mm. Before ordering, verify that this size fits your curing rack spacing and that your forklift capacity can handle a loaded rack at full height. Pallet material should be selected based on local humidity and the expected curing cycle duration in your climate.
Q: What raw material mix design and local aggregate does the QT4-18 require for target block strength?
A: The machine processes crushed stone, sand, cement, dust, and fly ash. Block strength depends on matching the 40-50 kN vibration force and hydraulic pressure to your specific aggregate grading, moisture content, and cement ratio. A trial run on your local material before shipment confirms whether the configuration produces saleable blocks.
Q: What voltage, frequency, and PLC language options are confirmed before shipment?
A: Voltage and frequency must match your site supply to avoid commissioning delays. PLC display language is confirmed during the proposal stage so that operators can read fault codes and cycle parameters on day one. These specifications are documented and signed off before production begins.
![QT6-15 Hydraulic Block Machine | Specifications1. **Analyze the Request:** * **Role:** Industrial B2B SEO Editor. * **Task:** Optimize Product Title (H1). * **Input Data:** Customer Profile, Target Site (`shiyuebrickmachine.com`), Category (`High quality block machine`), Source Title (`QT6-15 Hydraulic Pressure Interlocking Rosevelt Standard Grey Circular Pattern Square Slab Paver Making Machine`), Product Draft, Record ID (`84156`). * **Constraints:** * Gate: Source title empty? -> SKIP. (Not empty). * Vocabulary Lock: Words must come from Source Title, Category, or Allowed List. No fake specs/models. * Layer 1 (Site Modifier): Based on Target Site Role. * Layer 2 (Structure): Based on Record ID sum modulo 6. * Layer 3 (Modifier Selection): Based on Record ID sum modulo pool length. * General Rules: 50-70 chars, preserve model number, no "Best/High Quality", no explanation. 2. **Determine Site Role (Layer 1):** * **Target Site:** `shiyuebrickmachine.com` * **Role Description:** FORMAT, MOULD AND CAPACITY. * **Emphasis:** Honest capacity by format, mould selection. * **Buyer:** Technical buyer sizing a machine to a specific product and market. * **Matching Pool:** Technical Selection Role -> `Specifications / Technical Guide / Model Selection`. 3. **Calculate Structure (Layer 2):** * **Record ID:** 84156 * **Sum:** 8 + 4 + 1 + 5 + 6 = 24 * **Modulo 6:** 24 % 6 = 0 * **Structure 0:** `[品类词] for [应用或物料] – [站点修饰词]` * *Translation:* `[Category Word] for [Application/Material] – [Site Modifier]` 4. **Select Modifier (Layer 3):** * **Pool:** `Specifications`, `Technical Guide`, `Model Selection` (Length = 3) * **Selection:** 24 % 3 = 0 (Index 0) -> `Specifications` 5. **Drafting Content:** * **Source Title:** `QT6-15 Hydraulic Pressure Interlocking Rosevelt Standard Grey Circular Pattern Square Slab Paver Making Machine` * **Model Number (Must Preserve):** `QT6-15` * **Category Word:** `Hydraulic Block Making Machine` (from Draft `product_type`) or `Paver Making Machine` (from Source). Let's use `Hydraulic Block Making Machine` or `Hydraulic Paver Machine` to fit the "Block Machine" category context while respecting source words. The source says "Paver Making Machine". The draft says "Hydraulic Block Making Machine". * **Application/Material:** Source mentions "Interlocking", "Paver", "Slab". Draft mentions "Hollow block", "Solid brick", "Paving bricks". * **Structure 0:** `[Category] for [Application] – Specifications` * *Attempt 1:* QT6-15 Hydraulic Paver Making Machine for Interlocking Slab – Specifications * Length: 73 chars (Too long, max 70). * *Attempt 2:* QT6-15 Hydraulic Block Machine for Interlocking Paver – Specifications * Length: 70 chars. (Perfect). * Check vocabulary: * QT6-15 (Source) * Hydraulic (Source) * Block (Category/Draft - Source has "Paver Making Machine", Draft has "Block Making Machine". "Block" is in Category "High quality block machine"). * Machine (Source) * for (Structure) * Interlocking (Source) * Paver (Source) * Specifications (Layer 1 Pool) * *Attempt 3 (Alternative if "Block" is considered too far from Source "Paver"):* * Source: "Paver Making Machine" * QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications * Length: 68 chars. * "Slab" is in source. "Interlocking" is in source. * *Refining Attempt 2 vs 3:* * The prompt allows "Product Category Word" from Category or Draft if source is missing/non-standard. Source has "Paver Making Machine". Draft has "Hydraulic Block Making Machine". * Target site `shiyuebrickmachine.com` focuses on "Format, Mould and Capacity". * "Block Machine" is the broader category often searched. * Let's look at the Source Title again: "QT6-15 Hydraulic Pressure Interlocking... Paver Making Machine". * Let's try to fit "Paver Making Machine" as the category. * Structure: `[品类词] for [应用或物料] – [站点修饰词]` * `QT6-15 Paver Making Machine for Interlocking Slab – Specifications` * Length: 66 chars. * Is "Hydraulic" important? Yes, it's a key spec in source. * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (68 chars). * "Hydraulic" is in source. "Paver" is in source. "Machine" is in source. "Interlocking" is in source. "Slab" is in source. "Specifications" is the modifier. * This looks safe and accurate. * *Alternative using "Block Machine" (Draft category):* * `QT6-15 Hydraulic Block Machine for Paver – Specifications` (57 chars). A bit short. * `QT6-15 Hydraulic Block Machine for Interlocking Paver – Specifications` (70 chars). * This hits the limit exactly. It uses "Block Machine" which aligns with the "High quality block machine" category and the draft's product type, while "Interlocking Paver" comes from the source title. * Let's check the constraint: "Product Category Word — from Category or Draft... only when original title category word is missing or non-standard". * Original title has "Paver Making Machine". This is a specific type of block machine. Is it non-standard? No. * However, "Block Machine" is often the H1 standard for the main machine unit. * Let's stick to the Source Title's core noun phrase where possible, or the Draft's `product_type`. * Draft `product_type`: `Hydraulic Block Making Machine`. * Source: `Paver Making Machine`. * If I use "Paver Making Machine", I use source words. * `QT6-15 Hydraulic Paver Making Machine for Interlocking – Specifications` (69 chars). * "Interlocking" acts as the application/format here. * Let's try to include "Slab" or "Brick" if possible. * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (68 chars). * This feels very natural for the `shiyuebrickmachine.com` site (Format focus). * *Let's re-verify the "Structure 0" requirement:* `[品类词] for [应用或物料] – [站点修饰词]` * Category: QT6-15 Hydraulic Paver Machine (Source: QT6-15, Hydraulic, Paver, Machine) * Application: Interlocking Slab (Source: Interlocking, Slab) * Modifier: Specifications * Result: `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` * Length: 68 characters. * Checks: * Model preserved? Yes (QT6-15). * Source words? Yes. * Modifier from pool? Yes. * Structure 0? Yes. * Length 50-70? Yes. * No forbidden words? Yes. * *Alternative Consideration:* The draft lists "Hydraulic Block Making Machine" as product_type. The prompt says "Product Category Word... from Category or Draft... only when original title category word is missing or non-standard". "Paver Making Machine" is present. So I should probably stick to "Paver Making Machine" or "Paver Machine". * However, "Block Machine" is the main keyword in the SEO parameters (`hydraulic block making machine specifications`). * If I swap "Paver Machine" for "Block Machine": * `QT6-15 Hydraulic Block Machine for Interlocking Slab – Specifications` (68 chars). * "Block" comes from Category "High quality **block** machine". * This might be better for SEO relevance to the main keyword while keeping source specs. * Let's check the Vocabulary Lock again: "Title every content word must come from [Source], [Category] or [Allowed]". * "Block" is in Category. * "Machine" is in Source. * "Hydraulic" is in Source. * "Interlocking" is in Source. * "Slab" is in Source. * "Specifications" is in Allowed (Layer 1). * This works. * Let's compare: 1. `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (68 chars) - Safer on "Source" rule. 2. `QT6-15 Hydraulic Block Machine for Interlocking Slab – Specifications` (68 chars) - Better for "Block Machine" category alignment. * The prompt says: "Product Category Word — from [Category] or [Draft]... only when original title category word is missing or non-standard". * Original: "Paver Making Machine". This is a valid category word. * Therefore, I should strictly use "Paver Making Machine" or "Paver Machine". * "Paver Making Machine" is long. * `QT6-15 Paver Making Machine for Interlocking Slab – Specifications` (66 chars). * "Hydraulic" is a key spec in source. * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (68 chars). * This seems the most robust interpretation. * Wait, is "Slab" an application? Yes. * Is "Interlocking" an application/format? Yes. * Structure: `[Category] for [Application] - [Modifier]` * `QT6-15 Hydraulic Paver Machine` (Category) * `for Interlocking Slab` (Application) * `Specifications` (Modifier) * Let's check the character count again. * Q-T-6---1-5- -H-y-d-r-a-u-l-i-c- -P-a-v-e-r- -M-a-c-h-i-n-e- -f-o-r- -I-n-t-e-r-l-o-c-k-i-n-g- -S-l-a-b- -–- -S-p-e-c-i-f-i-c-a-t-i-o-n-s * 5 (QT6-15) + 1 + 9 (Hydraulic) + 1 + 6 (Paver) + 1 + 7 (Machine) + 1 + 3 (for) + 1 + 12 (Interlocking) + 1 + 4 (Slab) + 1 + 1 (–) + 1 + 14 (Specifications) * Total: 5+1+9+1+6+1+7+1+3+1+12+1+4+1+1+1+14 = 69 characters. * Perfect. * One last check on the "Category Word" rule. * "Paver Making Machine" is in source. * "Paver Machine" is a slight shortening but "Machine" is in source. * If I use "Block Machine" (from Category), I am overriding the source's specific "Paver" designation. The prompt implies I should use source words unless missing. * However, the Draft `product_type` is "Hydraulic Block Making Machine". * If I use `QT6-15 Hydraulic Block Machine...` it covers the "Block Machine" search intent better. * But strict adherence to "Vocabulary Source Lock": "Title every content word must come from...". "Block" is in Category. So it is allowed. * Which is better? The source title is a keyword stuff of "Interlocking Rosevelt Standard Grey Circular Pattern Square Slab Paver Making Machine". * The machine produces pavers. * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` is accurate to the source. * Let's try to fit "Block" if possible? * `QT6-15 Hydraulic Block Machine for Paver – Specifications` (57 chars). A bit short. * `QT6-15 Hydraulic Block Machine for Interlocking Paver – Specifications` (70 chars). * This uses "Block" (Category), "Machine" (Source), "Interlocking" (Source), "Paver" (Source). * This feels slightly more "Industrial B2B" standard (Block Machine is the main term). * But "Paver Machine" is also standard. * Let's stick to the Source's specific noun "Paver" to be safe against the "non-standard" clause. The source explicitly calls it a "Paver Making Machine". * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` * Wait, the dash `–` counts as 1 char? Or ` - `? * Standard SEO titles usually use ` - ` or ` | ` or ` – `. * The prompt structure example: `[品类词] for [应用或物料] – [站点修饰词]`. It uses an en-dash `–`. * Count: * QT6-15 (6) * [space] (1) * Hydraulic (9) * [space] (1) * Paver (5) * [space] (1) * Machine (7) * [space] (1) * for (3) * [space] (1) * Interlocking (12) * [space] (1) * Slab (4) * [space] (1) * – (1) * [space] (1) * Specifications (14) * Total: 6+1+9+1+5+1+7+1+3+1+12+1+4+1+1+1+14 = 69. * This fits perfectly under 70. * Final check on "Slab". Source: "Square Slab". "Slab" is in source. * Final check on "Interlocking". Source: "Interlocking". * Final check on "Hydraulic". Source: "Hydraulic Pressure". "Hydraulic" is in source. * Final check on "Paver Machine". Source: "Paver Making Machine". "Paver" and "Machine" are in source. * Final check on Modifier. "Specifications" (Layer 1, Index 0). * Result: QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications * Wait, is "Paver Machine" a "Category Word"? * Source: "Paver Making Machine". * If I drop "Making", am I violating "Original sample preserve"? * Rule 2: "If source title contains specific model number, preserve exactly". It doesn't say preserve the whole category phrase exactly, just the model. * Rule 1-bis: "Preserve priority... Core Category Word". * "Paver Making Machine" -> "Paver Machine" is acceptable optimization for length. * However, "Paver Making Machine" is 20 chars. * `QT6-15 Hydraulic Paver Making Machine for Slab – Specifications` * 6+1+9+1+6+1+7+1+7+1+3+1+4+1+1+1+14 = 65 chars. * This includes "Making". * But "Interlocking" is a high value keyword from source. * `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (69 chars). * This captures more value (Interlocking) and fits the length. "Paver Machine" is a valid compound noun from source words. * One alternative using "Block" from Category: * `QT6-15 Hydraulic Block Machine for Interlocking Paver – Specifications` (70 chars). * This is extremely strong because "Block Machine" is the site's main topic, and "Interlocking Paver" is the specific application from source. * Is "Block" allowed? Yes, from Category "High quality **block** machine". * Is "Machine" allowed? Yes, from Source. * Is "Interlocking" allowed? Yes, from Source. * Is "Paver" allowed? Yes, from Source. * This seems superior for B2B SEO (Main Keyword + Specific Application). * Let's check the length of this one carefully. * QT6-15 (6) + 1 + Hydraulic (9) + 1 + Block (5) + 1 + Machine (7) + 1 + for (3) + 1 + Interlocking (12) + 1 + Paver (5) + 1 + – (1) + 1 + Specifications (14) * 6+1+9+1+5+1+7+1+3+1+12+1+5+1+1+1+14 = 70. * Exactly 70 characters. * Risk: "Block" is not in Source Title. It is in Category. The rule says "Product Category Word... from Category... only when original title category word is missing or non-standard". * Original title has "Paver Making Machine". This is a specific type of block machine. Is it "non-standard"? No. * So technically, I should stick to "Paver". * Back to: `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` (69 chars). * This is safer regarding the "Vocabulary Source Lock" strictness. * Final decision: `QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications` * Wait, I missed "Pressure" in source. "Hydraulic Pressure". * "Hydraulic" covers it. * "Rosevelt", "Standard", "Grey", "Circular", "Pattern", "Square" are specific paver types/descriptors. "Interlocking" and "Slab" are the most generic/high-volume descriptors in that list. * "Interlocking" is a key format. * "Slab" is a key format. * The selection holds. * One check on the Modifier Pool Index. * Pool: `Specifications`, `Technical Guide`, `Model Selection`. * Sum: 24. * 24 % 3 = 0. * Index 0 is `Specifications`. Correct. * One check on Structure. * Sum: 24. * 24 % 6 = 0. * Structure 0: `[品类词] for [应用或物料] – [站点修饰词]`. Correct. * Final String: QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications QT6-15 Hydraulic Paver Machine for Interlocking Slab – Specifications](https://shiyuebrickmachine.com/wp-content/uploads/2026/04/H8a1f7253663144fc98aa77021b00f410Z.webp)