Dual-Roller Continuous Hardware Packaging Machine KD-350

Product Overview of KD-350 Continuous Pillow Packaging Machine

The KD-350 is a dual-roller pillow packaging machine built for high-throughput production lines in the hardware, food, and daily necessities sectors. Manufactured by Zhejiang Haoyuan Machinery Co., Ltd., this equipment uses an alternate dual-roller feeding system to sustain continuous packaging without pauses for material replenishment cycles. It produces between 30 and 220 sealed packs per minute, adjustable based on product size and film type. The PLC control system with touchscreen interface stores parameter settings and displays fault diagnostics. Enterprise customers with multi-product lines can customize packaging dimensions and integrate the machine with conveyors, coders, and labeling equipment to form complete automated packaging systems.

Technical Specifications of Pillow Packaging Machine Parameters

Model	KD-350
Speed	30-220 bags/min
Packing Size L	40-500mm
Packing Size W	20-150mm
Packing Size H	1-50mm
Film width	≤340mm
Film diameter	≤380mm
Film Material	BOPP/PE/PET/VMCPP
Operation Height	750-850mm
Power	2.8KW 220V 50/60HZ
Size	4600×870×1350mm
Weight	720Kg

Core Functional Features of the KD-350 Packaging Machine

Dual-Roller Alternate Feeding Mechanism

The dual-roller feeding system switches between two film rolls without halting production, which eliminates downtime associated with roll changeovers on single-roller machines. This design supports extended production runs for high-volume packaging schedules.

PLC Control with Touchscreen Interface

A PLC control module manages machine sequencing, and the imported touchscreen displays production metrics and fault messages. Operators save parameter profiles for different product SKUs, and the self-diagnostic function identifies fault locations to reduce troubleshooting time.

Anti-Corrosion Body with Open Frame Design

Machine framing uses high-strength corrosion-resistant materials, and the open structural design provides access to internal components for maintenance and cleaning procedures. This accessibility reduces service time during scheduled maintenance windows.

Variable Speed and Adjustable Operation Height

Production speed adjusts across the 30 to 220 bags per minute range to match upstream output rates. The operation height adjusts between 750mm and 850mm to accommodate different operator statures and line integration requirements.

Multi-Equipment Integration Capability

The KD-350 connects with auxiliary packaging equipment including conveyor systems, date coders, and labeling machines. Parameter customization supports different seal patterns, bag lengths, and product feed rates to match specific product requirements.

Industrial Applications for Continuous Pillow Packaging Equipment

Hardware and Component Packaging

The machine packages small hardware items such as fasteners, brackets, electrical connectors, and accessory kits. The adjustable packing size range accommodates both flat and low-profile hardware products within the 1-50mm height specification.

Food Product Packaging

Food processing operations use this equipment for individually wrapped baked goods, dried fruit portions, candy pieces, noodle cakes, and similar shelf-stable products. The variable speed settings match different product handling requirements.

Daily Necessities and Personal Care Packaging

Production lines for bar soap, wet wipe singles, cosmetic samples, and disposable hygiene products use the KD-350 for consistent pack formation. The BOPP, PE, PET, and VMCPP film compatibility supports different barrier and appearance requirements.

Manufacturer Support and Equipment Compliance

Zhejiang Haoyuan Machinery Co., Ltd. delivers packaging machinery to commercial buyers across multiple industry segments. Each KD-350 unit undergoes run testing with sample film before shipment. The company provides installation documentation, operator manuals, and remote technical guidance for initial setup. Standard warranty coverage applies to manufacturing defects, and spare component kits are available for scheduled maintenance. The machine's electrical configuration supports 220V 50/60HZ power systems common in export markets.

FAQ About the KD-350 Pillow Packager

What is the maximum film roll diameter this machine accepts?

The KD-350 accepts film rolls up to 380mm in diameter, with a maximum web width of 340mm. The dual-roller system allows operators to stage a second roll for uninterrupted changeover.

Can the machine handle products of different heights on the same line?

Yes. Operators store different parameter sets in the PLC memory and switch between profiles when changing products. Pack height adjustment covers the 1-50mm range.

How is maintenance performed on the open-frame design?

The open structure provides direct access to drive components, sealing jaws, and film path rollers. Technicians perform lubrication, seal jaw replacement, and sensor calibration without removing large panel sections.

What auxiliary equipment integrates with this packaging machine?

The KD-350 connects with upstream conveyors, inline date coders, labeling heads, and output accumulation systems to form complete automated packaging lines.

Does the machine support different film material types?

Yes. The KD-350 processes BOPP, PE, PET, and VMCPP films. Each material requires corresponding temperature and dwell time adjustments through the PLC interface.