OYANG Bag Making Machine: The Definitive Guide to Eco-Friendly Packaging Solutions
An OYANG bag making machine comprises the industrial, servo-synchronized converting machinery manufactured by OYANG Group to process continuous substrate webs—including kraft paper, PP spunbond non-woven fabrics, and high-barrier flexible films—into commercial bags. Covering three primary configurations including roll-fed square bottom paper bag lines, fully automatic ultrasonic 3D box bag machines, and multi-format flexible pouch systems, OYANG equipment integrates bus-synchronized servo drives, automated size changeover tooling, and structural cast-iron side frames finish-machined to tolerances of ≤ 0.015mm.
Video: Inside OYANG’s R&D, precision machining, and advanced bag making machine assembly workshops.
The Engineering Behind High-Speed Web Tension Control
In high-speed bag converting operations, stable web tension is necessary to prevent web tears, stretch distortion, and print registration drift. Whether processing 60 GSM kraft paper or 100 GSM non-woven fabric, OYANG converting platforms employ closed-loop servo tension algorithms.
The dynamic web tension of the moving substrate is modeled using the physical relationship:
Where T represents instantaneous web tension, T0 is the initial static tension setpoint, A is the substrate cross-sectional area, E is the Young’s Modulus of the material web, v0 is the nominal line take-up speed, and Δv is the velocity differential between adjacent draw rollers. Coordinated via high-speed EtherCAT bus motion controllers, OYANG machines dynamically regulate Δv within milliseconds, maintaining continuous web tension fluctuations within ± 1% even during line ramp-up to 220 m/min.
OYANG Bag Making Machine Portfolio: Comparative Analysis
OYANG delivers dedicated machinery platforms engineered for distinct retail, grocery, and industrial packaging formats. The comparative matrix below outlines key models across paper, non-woven, and barrier film conversion:
| Machine Category | Flagship Models | Primary Materials | Max Speed | Key Technical Advantage |
|---|---|---|---|---|
| Roll-Fed Paper Bag Machine | TECH-18, SMART-17, OYANG 16A | Kraft Paper, Ribbed Paper, Laminated Paper | 180 – 220 bags/min | 2-Minute intelligent automatic size changeover |
| Nonwoven Box Bag Machine | TECH-26, TECH-23, OYANG 20 | PP Spunbond Nonwoven, RPET Fabric | 90 – 100 bags/min | 90-Second automatic mold change; inline handle welding |
| Flexible Pouch Maker | 650QSB, 650SZL, 650SZLL | BOPP, PET, CPP, Laminated Barrier Films | Up to 240 strokes/min | Multi-functional flat-bottom and stand-up zipper pouch forming |
Why OYANG Precision Machining Guarantees Long-Term ROI
Long-term conversion accuracy depends upon the dynamic rigidity of the machine chassis. Operating at cycle speeds up to 220 cuts per minute produces sustained mechanical harmonics. OYANG’s 130,000㎡ smart manufacturing base internalizes structural fabrication to ensure lasting alignment.
Automated Japanese MAZAK flexible production line operating inside OYANG’s smart manufacturing base.
By milling heavy-duty side wall panels, gear carriers, and knife assemblies on Japanese MAZAK and OKUMA 5-axis CNC machining centers, OYANG holds machining tolerances to ≤ 0.015 mm. This baseline precision eliminates mechanical backlash, suppresses ultrasonic horn resonance drift, and protects equipment operational lifespans exceeding 15 years.
Featured OYANG Bag Making Solutions
1. TECH-18 Smart Roll-Fed Paper Bag Machine
The TECH-18 is an automated square-bottom paper bag converting line equipped with digital recipe recall, enabling operators to switch bag lengths and gusset depths with minimal setup downtime.
- Production Speed: Up to 220 bags/min
- Core Capability: Intelligent 2-minute automated size changeover via HMI touchscreen.
- Brochure Download: Download Paper Bag Machine Brochure (PDF)
2. TECH-26 Fully Automatic Nonwoven Box Bag Machine
The TECH-26 is a high-speed non-woven converting line engineered to produce 3D box tote bags complete with inline ultrasonic handle welding in a single continuous process.
- Production Speed: 90 – 100 bags/min
- Core Capability: Patented 90-second rapid mold change system, cutting tool swap downtime by 95%.
- Brochure Download: Download Nonwoven Bag Machine Brochure (PDF)
Frequently Asked Questions (FAQ)
What types of bags can OYANG machines produce?
OYANG bag making machines can produce a wide variety of eco-friendly packaging, including flat-and-satchel paper bags, SOS paper bags with twisted or flat handles, 3D nonwoven box bags with inline handles, D-cut bags, and multi-functional flexible plastic pouches (stand-up, zipper, and 8-side sealed flat bottom pouches).
How long does a size changeover take on an OYANG paper bag machine?
On advanced models like the OYANG TECH-18, a complete bag size changeover is fully automated and takes only 2 minutes via the intelligent PLC touch-screen interface, vastly outperforming traditional manual setups that require hours.
What precision standards are maintained during OYANG machine manufacturing?
All core structural components, including the main wall panels and mechanical gears, are processed using Japanese MAZAK and OKUMA CNC machining centers, guaranteeing a tolerance of ≤ 0.015 mm to ensure vibration-free high-speed operation and long-term durability.
Are OYANG bag making machines certified for global markets?
Yes, all OYANG bag making machines and auxiliary equipment are fully certified with CE markings (verified by SGS) and comply with ISO9001, ISO14001, and international safety and quality management standards.
Partner with the Global Leader in Bag Making Technology
Whether upgrading an active converting plant or establishing a greenfield packaging facility, OYANG Group provides turnkey automation layouts and engineering support. Connect with our technical specialists for detailed equipment ROI models and plant footprint planning.