Understanding the RQ-ZH-120L: A Maintenance-Conscious Cartoning Solution
For pharmaceutical, chemical, electronics, and food producers packaging sachets, the operational reality often involves manual cartoning labor costs, quality risks from missed or misplaced products and leaflets, and difficulty coordinating upstream and downstream packaging equipment on a continuous line. The RQ-ZH-120L Automatic Cartoning Machine, manufactured by Guangdong Rich Packing Machinery Co., Ltd. under the Rich Packing brand, is built as an automatic vertical cartoning machine that addresses these pain points while remaining practical to maintain over its service life. This review examines the machine's construction, protective systems, monitoring tools, and technical specifications from a maintenance perspective, drawing exclusively on the manufacturer's published product data.
Built for Reliability: Materials and Construction
Maintenance planning begins with materials. The RQ-ZH-120L is constructed from stainless steel or nickel chrome plating, materials selected for their stable chemical properties. This gives the machine corrosion resistance, non-toxicity, and safety — important considerations in pharmaceutical and food environments where sachets are commonly packaged. Beyond the base material choice, welded areas receive tempering treatment, a step specifically intended to extend service life. Together, these construction choices reduce the frequency of structural repairs that would otherwise interrupt production.

Protective Systems That Simplify Maintenance
Dual Clutch Design
One of the machine's built-in maintenance safeguards is its dual clutch design. This system activates bidirectional protection automatically when the main motor is overloaded or when the leaflet folder faults. By intervening before a fault escalates, the dual clutch design protects both the equipment and the operator, which in practical terms limits the scope of unplanned repairs.
Dual Inspection and High-Level Intelligence
The RQ-ZH-120L also incorporates a dual inspection methodology, verifying product and leaflet presence before insertion and again once inside the carton. This detects incorrect quantities and improper carton placement at two distinct points in the process. Supporting this is a high level of intelligence achieved through dense inspection points positioned at leaflet feeding, leaflet counting, product loading, product counting, and carton positioning. For maintenance teams, this density of monitoring means that process irregularities are identified at their source rather than discovered only after a batch is complete.
Visualized Monitoring and Component Identification for Routine Upkeep
Two features directly support day-to-day maintenance work. First, visualized monitoring means that faults and counting data are fully visualized and viewable on the touch screen at any time, giving maintenance personnel immediate access to diagnostic information without needing to trace the fault manually through the mechanism. Second, component identification — all components are clearly numbered — is designed for convenient routine maintenance, allowing technicians to locate and reference specific parts quickly during inspection or replacement.
Engineered with Renowned Electrical Components
The reliability of any cartoning machine depends heavily on its electrical and pneumatic components, and the RQ-ZH-120L uses high-end electrical components from internationally established brands such as Baker and Siemens to help ensure reliable quality. The broader configuration list reflects this sourcing approach in detail: Panasonic (Japan) supplies the servo motors and servo drivers; the main motor comes from SEW (Germany); the frequency converter is manufactured by Danfoss (Denmark); the PLC is a Siemens (Germany) Smart ST40; the touch screen is a Proface GC—4408W; and sensing components including fiber amplifiers, optical fibers, encoders, and several photoelectric switches come from Omron (Japan), with additional proximity and photoelectric switches from SICK (Germany) and LEUZE (Germany). Pneumatic elements such as solenoid valves, vacuum generators, silencers, and cylinders are sourced from SMC (Japan), with an additional cylinder from Kögel (Germany). This documented sourcing gives maintenance planners clarity on replacement part specifications and manufacturer origin.
Stable Performance for Continuous Production
The machine is described as delivering highly stable operation suitable for continuous 24-hour production. For sachet cartoning lines that run extended shifts, this stability characteristic is directly relevant to maintenance scheduling, as it reflects the manufacturer's stated design intent for sustained operation without the need for frequent intervention.
Technical Specifications Relevant to Maintenance Planning
The RQ-ZH-120L operates across a cartoning speed range of 35–125 cartons per minute, powered by a total power of 1.10 kW at 220V/380V 50Hz. It requires an air pressure of at least 0.6 MPa with air consumption of 120–160 L/min. The machine's footprint measures 2,150mm × 1,140mm × 1,800mm, with a net weight of about 1,500 kg, and it occupies approximately 3㎡, which the manufacturer notes eases transport. Carton size requirements range from L: 65–150mm, W: 35–85mm, H: 12–45mm, with carton weight between 240–360g/㎡. Leaflet handling covers open carton sizes from L: 78mm–250mm, W: 85mm–170mm, supports 1 to 4 folds, and accommodates leaflet weights of 60–70 g/m². These parameters give maintenance and production teams a concrete basis for verifying that consumables and carton stock remain within specification.
Industry Adaptation for Sachet Packaging
Within the chemical industry adaptation, the RQ-ZH-120L is positioned for cartoning of tubes, ointments, and sachets, and within food industry adaptation, it is positioned for cartoning of sachets and comparable packaged products. The pharmaceutical adaptation covers GMP-compliant cartoning for blister packs, bottles, and tubes, while the electronics adaptation covers cartoning of electronic cigarettes and related items. This range demonstrates that the same maintenance and monitoring framework applies consistently across sachet packaging in multiple sectors.
Integration with Production Lines
For facilities coordinating multiple packaging stages, the RQ-ZH-120L is described as highly integrated, connecting with end sealers, blister packaging machines, counting and bottling lines, strapping machines, and cartoning machines according to production requirements. Broader platform compatibility notes also reference cellophane overwrapping machines. This integration capability means maintenance considerations extend to how the cartoning unit interfaces with adjacent equipment on a continuous line.
Conclusion
The RQ-ZH-120L Automatic Cartoning Machine from Guangdong Rich Packing Machinery Co., Ltd. combines corrosion-resistant construction, dual protective and inspection systems, visualized fault monitoring, and clearly numbered components to support ongoing maintenance alongside its core cartoning function. Backed by documented electrical components from established manufacturers and GMP compliance for regulated environments, the machine offers sachet packagers in pharmaceutical, chemical, electronics, and food production a maintenance-conscious option built around a compact, transportable footprint and stated suitability for continuous operation.
https://www.richpacking020.com/
Rich Packing Machinery



