Double/Four-Channel Cold Cutting Bag Machine | 600 BPM

NO.86 South Pingan Road, Yingkou, Liaoning China +8615940702375 | +8615940702192 [email protected]

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High-Speed Multi-Channel Cold Cutting Bag Machinery Solutions

Investing in our double/four-channel cold cutting bag making machine delivers exceptional production output, precise sealing strength, and optimized converting efficiency for high-volume flat and vest bag manufacturing. Engineered to process HDPE, LDPE, LLDPE, and recycled polyethylene films, this versatile machine features flexible multi-channel configurations and advanced servo-motor drive controls. Facilities achieve up to 40% higher bag production while reducing specific energy consumption by 20% compared to conventional single-channel converting lines. Equipped with photo-electric eye tracking, heavy-duty sealing bars, and high-speed mechanical flying knives, the machinery produces up to 600 bags per minute with precise dimensional consistency, empowering packaging plants to fulfill massive commercial contracts effortlessly.
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Case Study

Supermarket Flat Bag High-Volume Production Line

A major flexible packaging converter deployed our four-channel cold cutting bag making machine to scale up flat produce bag manufacturing. Operating continuously at 520 bags per minute across four channels, the machine processed 0.012mm thin-gauge HDPE film with consistent bottom seal strength. Photo-electric eye tracking maintained print registration within +/-0.3mm, eliminating miscuts across all four film lanes. Machine downtime fell by 22%, while total daily bag yield increased by 38%. Over a ten-month production run, the facility manufactured 85 million retail bags, fulfilling high-volume supermarket contracts ahead of schedule and achieving complete capital equipment investment payback within five months.

Heavy-Duty Industrial Liner Bag Converting Project

Seeking high-efficiency machinery for converting thick industrial liner bags, a commercial converter installed our double-channel cold cutting machine. The line processed 0.08mm LDPE film rolls at 220 bags/min, utilizing heavy-duty nickel-alloy sealing bars that created leak-proof bottom seals. The mechanical cold-cutting knife cut thick film layers cleanly without edge fusion or melt-sticking. Material scrap generation fell by 15%, while operator productivity doubled due to automated stacking and conveyor collection systems. The client expanded its commercial packaging catalog, securing multi-year supply contracts with regional chemical manufacturers and raising annual gross operating margins by 32%.

Printed Commercial T-Shirt Bag Multi-Lane Converting

To supply custom-printed retail shopping bags, a packaging plant adopted our four-channel cold cutting machinery. The equipment processed four printed film rolls simultaneously, cutting and sealing vest bags at 480 units per minute. Servo-driven index rollers adjusted bag length settings digitally, reducing order changeover setup time by 50%. Defect rates during high-speed cutting dropped from 3.5% to 0.4%, raising overall line productivity. The converter expanded export operations into four new international markets, generating a 40% year-over-year revenue increase within the commercial printed packaging converting division.

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Engineered for high-speed flexible packaging conversion, our double/four-channel cold cutting bag making machine offers high output, precise sealing, and flexible channel configurations. Designed to handle HDPE, LDPE, and recycled film rolls, the machine integrates multi-lane servo feeding, photo-electric print tracking, heavy-duty sealing bars, and high-speed mechanical cold cutting knives. The cold-cutting mechanism ensures clean, non-fused bag openings and high bottom seal strength at production speeds up to 600 bags per minute. Managed via a centralized touchscreen interface, operators adjust sealing temperatures, bag lengths, and channel counts effortlessly. Built with heavy-duty steel frames and premium electrical drives, our multi-channel machinery guarantees minimal downtime, low power consumption, and maximum operational yield.

Frequently Asked Questions

What production speeds can the double and four-channel models reach?

The double-channel model reaches up to 300 bags per minute, while the four-channel configuration achieves up to 600 bags per minute, depending on film thickness, bag length, and raw material formulation.
Cold cutting utilizes a heated sealing bar to form the bottom seal followed by an unheated mechanical knife that shears the film cleanly, preventing edge melting, sticking, or deformation on thin and thick film gauges.
Yes, independent multi-lane tension control rollers and multiple photo-electric tracking eye sensors allow operators to process separate printed film rolls across each channel with independent print registration alignment.
The machine produces flat produce bags, garbage bags, trash bin liners, and t-shirt vest bags (when equipped with an optional hydraulic punching unit), handling film gauges from 0.008mm to 0.10mm.

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Customer Testimonials

Christian Vance
Impressive Speed Gains and Superior Seal Quality

Upgrading to this four-channel cold cutting bag machine increased our produce bag output by 38%. Sealing strength is exceptional and film jamming is completely eliminated across all lanes.

Lucas Sterling
High Versatility and Low Maintenance Operation

We run this double-channel line 24/7 converting thick industrial liner bags. Setup is quick, cold cuts are clean, and machine reliability has transformed our converting factory productivity.

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Multi-Axis Servo Drive and Independent Track Registration

Multi-Axis Servo Drive and Independent Track Registration

The core of our double/four-channel cold cutting bag making machine features a multi-axis servo drive system paired with individual photo-electric eye sensors for each channel track. This advanced drive architecture allows precise, independent digital length control and automatic print registration alignment for up to four separate film rolls simultaneously. Servo acceleration curves eliminate film bounce and stretch during high-speed indexing up to 600 bags per minute. Digital touchscreen controllers permit operators to change bag length parameters instantly without stopping main drive motors, reducing setup film scrap during order changeovers by 60% and maintaining strict bag length tolerances within +/-0.3mm across continuous high-volume packaging production runs.
Heavy-Duty Thermal Sealing and Precision Cold Knife

Heavy-Duty Thermal Sealing and Precision Cold Knife

High-strength converting is achieved through a heavy-duty thermal sealing assembly paired with a high-speed mechanical cold cutting flying knife. PID digital temperature controllers regulate nickel-alloy sealing bars across all channels, forming leak-proof bottom seals on thin HDPE, thick LDPE, and recycled film blends. Following thermal sealing, the unheated high-carbon steel mechanical knife executes rapid scissor cuts, shearing the film cleanly without melting or fusing bag openings together. Synchronized automatic stacking tables collect and count cut bags into neat bundles continuously, delivering ready-to-package bag stacks while maximizing overall converting line speed and operator efficiency.
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