QT4-24 \u041f\u043e\u043b\u0443\u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439<\/strong><\/td>400\u00d7200\u00d7200mm<\/td> 554<\/td> 4,428<\/td> 110,700<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\nProduction data based on manufacturer specifications for standard hollow blocks<\/em><\/p>\n\n\n\nThe QT4-40 manual machine suits small construction projects and local market supply of 60,000 to 100,000 blocks monthly. The QT4-24 semi-automatic machine serves medium-scale contractors requiring 110,000 to 190,000 blocks monthly, enabling you to fulfill larger contracts and wholesale orders that manual production cannot supply.<\/p>\n\n\n\nDaily block production output comparison between manual and semi-automatic machines<\/figcaption><\/figure>\n\n\n\n<\/span>Cycle Time and Production Efficiency<\/span><\/h3>\n\n\n\nMolding cycle time determines how many blocks you produce per hour. The QT4-40 manual machine operates at 35-40 second cycles depending on variant and operator efficiency. Every cycle requires manual activation, monitoring, and block removal, creating delays between batches as workers reposition materials and pallets.<\/p>\n\n\n\n
The QT4-24 semi-automatic machine runs faster cycles through automated compression and vibration control. The machine executes each molding operation at optimal timing without human delays, maintaining consistent cycle speeds throughout the shift. This automation eliminates the 5-8 seconds of hesitation and repositioning that occurs in manual operation between each batch.<\/p>\n\n\n\n
Production efficiency drops 15-25% during manual operation as workers tire through an 8-hour shift. Semi-automatic machines maintain consistent output because the automated cycle runs at the same speed regardless of time or operator fatigue.<\/p>\n\n\n\n
<\/span>Automation Level and Operation<\/span><\/h2>\n\n\n\n<\/span>QT4-40 Manual Operation<\/span><\/h3>\n\n\n\nManual operation requires workers to perform every production step. The operator loads concrete mix into the hopper, positions an empty pallet under the mold, pulls the lever or presses the button to activate hydraulic pressure and vibration, monitors the compression cycle for 35-40 seconds, deactivates the system when molding completes, removes the pallet with finished blocks, and repeats.<\/p>\n\n\n\n
This process demands constant attention and physical effort. Operators must judge when the compression cycle reaches optimal density, which varies with mix moisture and ambient temperature. Inconsistent timing between batches creates quality variations and reduces daily output as workers slow down to avoid errors.<\/p>\n\n\n\nQT4-40 manual block machine operation showing worker-controlled cycle<\/figcaption><\/figure>\n\n\n\nManual machines work well when you need maximum production flexibility. You can easily adjust cycle timing for different block types, change molds quickly for varied production runs, and operate without electrical complexity in locations with unreliable power.<\/p>\n\n\n\n
<\/span>QT4-24 Semi-Automatic Operation<\/span><\/h3>\n\n\n\nSemi-automatic operation automates the molding cycle while keeping material handling manual. Operators load concrete mix and position pallets, then activate the cycle through a control switch. The machine automatically executes the vibration sequence, applies hydraulic pressure at optimal timing, holds compression for the programmed duration, and signals completion.<\/p>\n\n\n\n
The automated cycle eliminates human timing judgment. The machine delivers consistent vibration frequency, uniform pressure application, and precise cycle duration for every block regardless of which operator runs the shift. This consistency improves block quality and reduces strength variations from 15-20% in manual operation to 8-12% in semi-automatic production.<\/p>\n\n\n\n
Workers still perform material loading, pallet handling, and block removal manually. Labor requirements remain at 4 workers for both machine types, but semi-automatic operation increases what each worker produces per shift by 73-88%.<\/p>\n\n\n\n
<\/span>Labor Requirements and Efficiency<\/span><\/h2>\n\n\n\n<\/span>Workforce Comparison<\/span><\/h3>\n\n\n\nBoth machines require 4 workers for operation: one machine operator controlling the hydraulic system, two workers managing material loading and concrete mixing, and one worker handling finished block removal and pallet management. The QT4-40 and QT4-24 use identical crew sizes with the same role distribution.<\/p>\n\n\n\n
The difference appears in output per worker rather than total headcount. Each worker on a QT4-40 manual machine produces 640-1,029 blocks per 8-hour shift. Each worker on a QT4-24 semi-automatic machine produces 1,107-1,937 blocks per shift, increasing individual productivity by 73-88% without additional training or physical effort.<\/p>\n\n\n\nFour-person crew operating block making machine showing labor requirements<\/figcaption><\/figure>\n\n\n\n<\/span>Labor Cost Per Thousand Blocks<\/span><\/h3>\n\n\n\nThis metric reveals the true labor efficiency difference between machine types. Assuming $800 per month average wages:<\/p>\n\n\n\n
QT4-40 Manual Machine (Variant 1, 400\u00d7200\u00d7200mm blocks):<\/strong><\/p>\n\n\n\n\nProduction: 2,560-3,290 blocks\/shift<\/li>\n\n\n\n Workers: 4 people \u00d7 $800\/month = $3,200 monthly<\/li>\n\n\n\n Working days: 25 days\/month<\/li>\n\n\n\n Daily labor cost: $128<\/li>\n\n\n\n Labor cost per 1,000 blocks: $38.90-$50.00<\/li>\n<\/ul>\n\n\n\nQT4-24 Semi-Automatic Machine (400\u00d7200\u00d7200mm blocks):<\/strong><\/p>\n\n\n\n\nProduction: 4,428 blocks\/shift<\/li>\n\n\n\n Workers: 4 people \u00d7 $800\/month = $3,200 monthly<\/li>\n\n\n\n Daily labor cost: $128<\/li>\n\n\n\n Labor cost per 1,000 blocks: $28.91<\/li>\n<\/ul>\n\n\n\nThe semi-automatic machine reduces labor cost per thousand blocks by 42-58% compared to manual production. Producing 100,000 blocks with manual machines costs $3,890-$5,000 in labor compared to $2,891 with a semi-automatic machine, saving $999-$2,109 in labor costs alone.<\/p>\n\n\n\n
This labor efficiency advantage compounds monthly. At 110,000 blocks per month (the QT4-24’s typical output for 400\u00d7200\u00d7200mm blocks), you save $1,099-$2,320 monthly in labor costs compared to manual production requiring the same total workforce.<\/p>\n\n\n\n
<\/span>Machine Specifications Comparison<\/span><\/h2>\n\n\n\n<\/span>Technical Parameters<\/span><\/h3>\n\n\n\nUnderstanding the technical differences helps you assess which machine fits your facility requirements and production goals.<\/p>\n\n\n\n\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/th> QT4-40 Manual (Variant 1)<\/th> QT4-40 Manual (Variant 2)<\/th> QT4-24 Semi-Automatic<\/th><\/tr><\/thead> Dimensions<\/strong><\/td>1800\u00d71500\u00d72500mm<\/td> 1800\u00d71500\u00d71950mm<\/td> 1800\u00d71500\u00d72520mm<\/td><\/tr> Machine Weight<\/strong><\/td>1,5 \u0442<\/td> 1,5 \u0442<\/td> 1,5 \u0442<\/td><\/tr> Host Power<\/strong><\/td>11.15kW<\/td> 11.15kW<\/td> 23.15kW<\/td><\/tr> \u041e\u0431\u0449\u0430\u044f \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c<\/strong><\/td>22.05kW<\/td> 18.65kW<\/td> 23.15kW<\/td><\/tr> \u0421\u0438\u043b\u0430 \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u0438<\/strong><\/td>50 \u043a\u041d<\/td> 50 \u043a\u041d<\/td> 50 \u043a\u041d<\/td><\/tr> Molding Cycle<\/strong><\/td>35 seconds<\/td> 40 seconds<\/td> Automated<\/td><\/tr> \u0420\u0430\u0437\u043c\u0435\u0440 \u043f\u043e\u0434\u0434\u043e\u043d\u0430<\/strong><\/td>850\u00d7450\u00d720mm<\/td> 850\u00d7450\u00d720mm<\/td> 850\u00d7550\u00d720mm<\/td><\/tr> Mixer Model<\/strong><\/td>JQ350<\/td> JQ350<\/td> JQ350<\/td><\/tr> Labor Required<\/strong><\/td>4 \u0440\u0430\u0431\u043e\u0442\u043d\u0438\u043a\u0430<\/td> 4 \u0440\u0430\u0431\u043e\u0442\u043d\u0438\u043a\u0430<\/td> 4 \u0440\u0430\u0431\u043e\u0442\u043d\u0438\u043a\u0430<\/td><\/tr> Workshop Area<\/strong><\/td>Not specified<\/td> Not specified<\/td> 200m\u00b2<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\nThe QT4-24 requires higher electrical power (23.15kW vs 18.65-22.05kW) to run the automated control systems. All three machines use identical 50KN vibration force and the same JQ350 mixer, ensuring comparable block quality and material compatibility.<\/p>\n\n\n\n
<\/span>Block Type Capacity<\/span><\/h3>\n\n\n\nBoth machines produce multiple block types through mold changes. Production capacity varies significantly by block size and configuration.<\/p>\n\n\n\n
QT4-40 Manual Machine (Variant 1) – Blocks per 8-Hour Shift:<\/strong><\/p>\n\n\n\n\nHollow 400\u00d7150\u00d7200mm: 3,200-4,114 blocks<\/li>\n\n\n\n Hollow 400\u00d7200\u00d7200mm: 2,560-3,290 blocks<\/li>\n\n\n\n Solid 240\u00d7115\u00d750mm: 11,520-14,784 blocks<\/li>\n\n\n\n Holland paver 200\u00d7100\u00d760mm: 5,760-7,392 blocks<\/li>\n<\/ul>\n\n\n\nQT4-24 Semi-Automatic Machine – Blocks per 8-Hour Shift:<\/strong><\/p>\n\n\n\n\nHollow 400\u00d7100\u00d7200mm: 7,749 blocks<\/li>\n\n\n\n Hollow 400\u00d7200\u00d7200mm: 4,428 blocks<\/li>\n\n\n\n Solid 240\u00d7115\u00d750mm: 28,782 blocks<\/li>\n\n\n\n Holland paver 200\u00d7100\u00d760mm: 15,498 blocks<\/li>\n<\/ul>\n\n\n\nThe semi-automatic machine produces 73-150% more blocks per shift across all block types. The advantage is largest for smaller blocks like pavers where the faster automated cycle compounds the efficiency gain.<\/p>\n\n\n\nVarious concrete block types produced by QT4 series machines including hollow blocks and pavers<\/figcaption><\/figure>\n\n\n\n<\/span>\u0410\u043d\u0430\u043b\u0438\u0437 \u043f\u0435\u0440\u0432\u043e\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u044b\u0445 \u0438\u043d\u0432\u0435\u0441\u0442\u0438\u0446\u0438\u0439<\/span><\/h2>\n\n\n\n<\/span>Purchase Price and Setup Costs<\/span><\/h3>\n\n\n\nThe upfront investment differs between manual and semi-automatic machines and directly affects your financing requirements and business risk.<\/p>\n\n\n\n
QT4-40 Manual Machine:<\/strong><\/p>\n\n\n\n\nMachine cost: $4,500-$6,500<\/li>\n\n\n\n JQ350 Mixer: $1,200-$1,800<\/li>\n\n\n\n Molds (3-4 types): $800-$1,200<\/li>\n\n\n\n Pallets (200 pieces): $600-$800<\/li>\n\n\n\n Tools and accessories: $300-$500<\/li>\n\n\n\n Total Initial Investment: $7,400-$10,800<\/strong><\/li>\n<\/ul>\n\n\n\nQT4-24 Semi-Automatic Machine:<\/strong><\/p>\n\n\n\n\nMachine cost: $8,500-$11,000<\/li>\n\n\n\n JQ350 Mixer: $1,200-$1,800<\/li>\n\n\n\n Molds (3-4 types): $800-$1,200<\/li>\n\n\n\n Pallets (250 pieces): $750-$1,000<\/li>\n\n\n\n Tools and accessories: $400-$600<\/li>\n\n\n\n Total Initial Investment: $11,650-$15,600<\/strong><\/li>\n<\/ul>\n\n\n\nThe QT4-24 semi-automatic machine requires $4,250-$4,800 more upfront capital, representing a 57-44% higher initial investment. This premium pays for automated cycle control, faster production capability, and higher daily output that generates additional revenue to recover the cost difference.<\/p>\n\n\n\n
<\/span>Facility Requirements<\/span><\/h3>\n\n\n\nBoth machines operate in similar facility footprints. The QT4-40 manual machine needs approximately 150-200m\u00b2 including production area, material storage, and curing space. The QT4-24 semi-automatic machine requires 200m\u00b2 workshop area as specified, plus curing and storage zones totaling 250-300m\u00b2.<\/p>\n\n\n\n
Both machines need basic infrastructure: concrete floor foundation, three-phase electrical power (380V\/415V), water supply for mixing and curing, and adequate drainage. Facility preparation costs range from $2,000 to $5,000 depending on existing infrastructure.<\/p>\n\n\n\n
The semi-automatic machine’s higher power requirement (23.15kW) may require electrical service upgrades in facilities with limited capacity. Verify your electrical infrastructure can supply continuous 23-25kW loads before purchasing semi-automatic equipment.<\/p>\n\n\n\n
<\/span>Operating Costs and Maintenance<\/span><\/h2>\n\n\n\n<\/span>Daily Operating Expenses<\/span><\/h3>\n\n\n\nOperating costs beyond labor include electricity, water, and raw materials. Material costs per block remain identical between machine types, but electricity and water consumption differ.<\/p>\n\n\n\n
Electricity Consumption:<\/strong><\/p>\n\n\n\n
![\"QT4-40](\"https:\/\/www.brick-machine.com\/wp-content\/uploads\/2026\/08\/1-qt4-40-qt4-24-block-machines-comparison-1024x617.webp\")