Most 20L plastic pail manufacturers operate 24-hour three-shift production for 300 days a year. Power consumption, machine maintenance and hydraulic oil leakage loss form three major long-term operating cost burdens. Many factories only focus on initial machine purchase price while ignoring huge continuous maintenance expenses over years, leading to persistently high comprehensive production costs. LISONG GT series pail machines conduct all-round optimization on hydraulic sealing, power system and intelligent control system, featuring clean production, ultra-low energy consumption, easy maintenance and digital management. It cuts overall investment for 20L pail manufacturers from long-term production perspective and realizes green, low-cost mass production.

Conventional injection molding machines mostly adopt welded hydraulic pipelines, which easily leak at welding seams under long-term high pressure. Dripping hydraulic oil contaminates raw materials and finished pails, causing batch scrap. Meanwhile, oil stains spread across workshop floors, bringing safety hazards of slipping and fire. LISONG GT adopts original zero-leakage modular hydraulic circuit design: all process holes on hydraulic blocks are sealed with flat screw plugs, and no welded joints exist on external hydraulic pipelines, fundamentally eliminating hydraulic oil leakage from structural design. Zero oil leakage risk ensures fully clean production of food-grade and medical-grade 20L packaging pails, drastically cutting material scrap loss, keeping workshops tidy and easy to clean, avoiding oil-related safety risks and reducing labor cost for workshop cleaning.
The whole machine is equipped with full-range servo power system. Motors only output power during mold opening/closing, injection and plasticizing, and automatically reduce load to sleep mode during cooling and standby, saving 30%–40% total energy compared with traditional fixed-displacement pump hydraulic machines. Calculated under standard 20L pail factory working conditions, one single GT machine running 24h for 300 days annually can save nearly 100,000 RMB on electricity bills. Most customers recover the extra machine cost within 1–2 years via electricity savings, showing remarkable long-term production benefits. Besides, the servo system delivers ultra-high repeat precision of pressure and flow control with tiny fluctuation of single-shot melt volume, highly consistent pail weight, higher material utilization and fewer scrap pails caused by weight deviation.
Imported wear-resistant hydraulic accessories are adopted for core components of hydraulic, clamping and injection units. The direct clamping structure has no toggle friction loss, greatly extending lubrication intervals, cutting overall machine failure rate by 40% and reducing annual expenditure on lubricants, seals and maintenance labor by nearly 50%. It largely lowers later-stage factory maintenance investment and order delay losses caused by machine downtime. The central direct force layout completely abandons traditional toggle wear structure; matched with full-servo hydraulic circuit, the machine features lower failure rate and much longer maintenance intervals under long-term 24-hour continuous production, without frequent shutdown for seals and lubrication parts replacement.

The machine is fitted with user-friendly intelligent touch controller with intuitive graphic operation interface and clearly classified parameters. Zero-experience operators can master adjustment of 20L pail molding temperature, pressure and speed parameters in a short time. The built-in self-diagnosis program pops up real-time alarms for abnormal temperature, pressure fluctuation and hydraulic faults, marking fault locations and solutions to greatly reduce debugging and troubleshooting difficulty. The control system supports optional MES industrial internet connection to collect core data including daily 20L pail output, single-piece energy consumption, machine running hours and molding parameters in real time. Every shot’s production record is permanently stored on cloud to facilitate digital management such as product quality traceability, capacity calculation and energy consumption control, assisting packaging enterprises in intelligent factory upgrading.
In summary, relying on multiple strengths of clean hydraulic circuit, servo energy saving, low maintenance and intelligent control, LISONG GT series pail machines lower comprehensive production costs for 20L pail manufacturers over long-term operation. Amid fierce market competition in packaging industry, it helps enterprises expand profit margins and delivers an integrated stable, efficient and green molding solution for 20L plastic pails,The machine is equipped with standard remote cloud diagnosis function. Factory engineers can view machine operation data and adjust parameters online. Remote factories do not need to wait for after-sales personnel to arrive on site, the fault handling efficiency is increased by 70% and production shutdown loss is reduced.