Frequently Asked Questions

The JL-L-2TZP600 is the right choice. It produces stand-up doypack pouches — both plain and with zipper — at 35–120 pcs/min, using heat-seal laminated film (30–180 μm). It handles five bag styles on a single platform so you can switch formats without changing machines.

Yes. The JL-L-2TZP600 is a multi-function platform that produces three-side seal bags, three-side seal zipper bags, four-side seal bags, doypack pouches, and doypack with zipper — all on one machine. Switching between bag styles requires a format changeover but no separate machine.

The JL-L-2TZP600 supports coffee packaging (both center-seal and doypack formats) and can accommodate degassing valve insertion. Please contact us with your specific valve type and bag dimensions for a configuration confirmation.

Yes. The JLPTCSM-1300W is a fully integrated convention line for high-volume PP woven bag production, combining flexographic printing, tube forming, cutting & sewing, and overtape application in one continuous process at 25–40 bags/min.

The JL-L-2TZP600 supports medical packaging applications, including individual bags and flat pouches. For specialized medical bag types, please contact our engineering team with your specifications.

The JL-L-2TZP600 handles pet food packaging in doypack, stand-up zipper, and three-side seal formats using high-barrier laminated film. Please share your target bag dimensions and production speed for a detailed recommendation.

The JL-L-2TZP600 produces three-side seal and doypack bags commonly used for facial masks, skincare, and cosmetic products. It supports printed laminated films with ≤0.3 mm positional accuracy.

Yes. The JL-L-2TZP600 can process anti-static laminated films suitable for electronic component packaging. The applicable film thickness range is 30–180 μm.

Up to 220 pcs/min for three-side seal bags, 150 pcs/min for three-side seal with zipper bags, and 120 pcs/min for doypack pouches. Minimum speed is 35 pcs/min across all formats.

Bag width: 100–580 mm, bag length: 50–420 mm. A skip function extends effective length up to 6×. Bottom seal width: 5–60 mm.

Heat-seal laminated films 30–180 μm. Common structures: NY/PE, PET/PE, AL/PE, OPP/CPP, BOPP/LLDPE.

220V / 3-phase / 60Hz, 60 kW total. 50 Hz configuration available on request.

≤0.3 mm positional accuracy via full Panasonic servo control. 4 groups heating + 2 groups cooling for vertical and horizontal seals.

Ultrasonic technology (1 group). Standard zipper width: 13 mm.

9,000 kg. Contact us for full installation drawing with footprint dimensions.

PLC touch-screen with full Panasonic servo drives. 10 mm steel-plate frame for vibration resistance.

Yes. Temperature range up to 300°C. Suitable for NY/CPP, AL/CPP retort-grade films.

The heat-seal window is the narrow temperature range where a film fuses correctly — above it the laminate burns or sticks to the sealing jaws; below it the seal fails to bond. As eco-friendly mono-material films become more common, this window becomes extremely narrow, making precise temperature control critical.

Progressive heating divides the sealing process across 8–20 independent heating blocks. This accumulates thermal energy gradually, allowing deep heat penetration into thick areas (corners, gussets) without burning thin film layers — all while maintaining speeds up to 220 pcs/min.

(1) Temperature — controlled up to 300°C via PID controllers and Solid State Relays with 2-second feedback; (2) Dwell time — how long the sealing jaws remain in contact; (3) Pressure — the clamping force applied to fuse the layers. All adjusted via the PLC touch-screen HMI.

A plastic zipper has far greater thermal mass than the surrounding 30–180 μm film. External heat would burn the thin film before the zipper reaches fusion temperature. Ultrasonic technology generates heat internally through high-frequency molecular friction only at the zipper-to-film interface, bonding the zipper without damaging the surrounding bag.

A gusset is multiple layers of the same film — handled with heat sealing by extending dwell time or reducing speed. A zipper is a different material (solid plastic strip) with much higher thermal mass, requiring ultrasonic vibration. Applying heat sealing to a zipper would destroy the surrounding film.

(1) Thermal shrinkage/wrinkling — excessive heat on thin film areas; (2) Burn-through/melting — temperature exceeds the seal window; (3) Weak seals/leakage — insufficient heat penetration in thick overlap areas; (4) Stretching and breakage — overheated material loses structural tension under motor pull.

After sealing, film is soft and vulnerable. Cooling bars (water-cooled plates at 15–20°C) solidify the fused plastic to achieve full seal strength, prevent residual heat from warping the bag, and allow the film to withstand servo motor tension at up to 220 pcs/min.

Up to 20 independent heating blocks are individually controlled via the PLC-managed HMI. Each block applies specific thermal energy to a precise coordinate of the bag — high heat to thick gusset corners, lower heat to thin film areas — preventing burn-through while ensuring full fusion at thick overlap points.

EPC uses a CCD camera combined with photoelectric sensors to track registration marks and film edges in real-time. When film drift is detected, correction motors instantly re-center the film path, maintaining positional accuracy within ≤0.3 mm without stopping the line — essential for pre-printed films at 220 pcs/min.

Yes. Mono-material films (all-PE or all-PP) have a narrower heat-seal window than traditional laminates. The machine handles them through zoned independent temperature control, PID/SSR feedback every 2 seconds, and progressive multi-stage heating — providing the precision needed to stay within the narrow sealing window.

25–40 bags/min. Integrates flexographic printing, tube forming, cutting & sewing, and overtape application in one continuous process.

Fabric width: 700–1300 mm. Finished bag width: 430–660 mm. Cutting length: 550–1250 mm. Gusset: 40–90 mm.

4-color flexographic printing (4+0). Printing repeat: 450–1200 mm. Max printing width: 1300 mm.

PP woven fabric and PP laminated fabric. Max web width: 800 mm. Max speed: 120 m/min.

6 colors, 6 independent stations with ceramic anilox rollers. Configurations: 0+6, 1+5, 2+4, 3+3.

The 12 primary defects are: Dot Gain (pressure/anilox volume), Gear Marks (mechanical vibration), Halo & Feathering (pressure/viscosity), Doughnuts & Skip Out (ink transfer), Misregistration (mechanical limits), Mottled Image (anilox/surface energy), Filling In & Bridging (incorrect ink pH), Pinholing (drying too fast), and Dirty Print (contamination). Most stem from imbalances in pressure, ink chemistry, or mechanical concentricity.

"Kiss Print" is the absolute minimum impression pressure required to transfer a clean image. Excessive pressure is the root cause of dot gain and halo effects. Pressure must be calibrated at both the Anilox-to-Plate and Plate-to-Substrate contact points.

Dot gain is caused by excessive impression pressure, dots dipping into oversized anilox cells, plate swelling, or incorrect mounting tape. Fix: reduce pressure to kiss print level, clean cylinders, switch to a higher LPI / lower volume anilox roller, and verify ink viscosity.

Gear marks are caused by mechanical resonance — concentricity (T.I.R.) out of spec, excessive ink pressure in the doctor blade chamber, imbalanced image layout, or damaged gears. Fix: verify gear condition, rebalance the image on the printing form, check T.I.R. on anilox and plate cylinders.

Use Soft (Cushion) tape for halftone/process printing and high-speed runs — prevents dot expansion in fine screens. Use Hard/Medium-Hard tape for solid backgrounds and lines — supports uniform thick ink transfer. Incorrect tape causes halo effects and material waste.

The anilox roller is the precision ink metering device. For non-absorbent films (PP woven), use 360–1400 LPI with 1.0–5.0 BCM. For corrugated/kraft (high absorbency), use 200–400 LPI with 4.5–9.5 BCM. Mismatching anilox to substrate causes feathering, dirty print, or mottled image.

In water-based ink systems, resins require alkaline pH to stay dissolved. If pH drops, resins precipitate — causing ink kick-out, foaming, and filling in. Use automated pH equipment for metered amine dosing. Keep all ink containers covered to prevent amine evaporation.

Both are caused by incorrect ink pH. Filling In (fine type closes up) and Bridging (dots join together) occur when ink chemistry is off. Fix by adjusting ink pH to the correct alkaline range, and for bridging, switch to a higher LPI anilox to reduce ink volume.

Daily: for water-based inks, clean immediately with hot water and detergents to prevent resin solidification. Deep cleaning: follow exact dilution ratios for chemical cleaning — excessive concentration erodes the ceramic surface. For high-LPI rollers (800–1400 LPI), verify media blasting pressure with the supplier. Laser cleaning is the preferred non-contact method.

(1) Mechanical: inspect gears and mandrels, check T.I.R. concentricity. (2) Chemical: test ink viscosity and pH, verify ink matches substrate surface energy. (3) Plate & Cylinder Hygiene: check plates for swelling, ensure cylinders are free of dried ink. (4) Mounting Integrity: confirm correct tape density, check for trapped air under plates.

Polished Band = excessive pressure → reduce blade pressure. Scalloped Edge = vibration or loose holder → inspect clamps. Linear Scoring = hard particle contamination → check ink filtration. Burnt/Melted Edge = dry friction from running without ink → audit startup procedures.

Non-ferrous metals (aluminum, copper, brass) from e-waste, shredded plastic, mixed scrap. Capacity: 1,000 kg/h.

Edge computing and industrial IoT embedded into existing production lines. Provides real-time computer vision quality inspection, predictive maintenance, and process optimization without cloud connectivity.

Yes. Designed case-by-case for specific machines. Can be integrated without full machine replacement.

Use the "Request a Quote" button on any product page or visit our Contact page. Our team responds within 1 business day.

Pricing varies by configuration. Please use the Request a Quote form — our team responds within 1 business day.

Depends on production specifications. Fill in the inquiry form for a detailed quotation.

We quote based on exact requirements. Submit an inquiry with your target bag type, dimensions, and speed.

2–3 months from order confirmation. Covers manufacturing, quality testing, and pre-shipment inspection.

Yes. Bag size range, speed configuration, optional accessories, and special film compatibility. Contact our engineering team.

Discussed on a per-order basis. Contact our sales team for options.

Yes. Experience with export documentation, container loading, and international shipping.

Default: 220V/3P/60Hz. 50 Hz configurations available on request.

Warranty on parts and workmanship. Specific terms stated in the sales contract.

Yes. Technical documentation, remote support, on-site installation, and operator training included.

Contact after-sales team with machine model number and part specification. Fast global delivery.

Yes. Remote support via video call. On-site service available for major issues.

Headquartered in Taiwan. Serving manufacturers worldwide.

Flexible packaging bag making machines, PP woven bag convention lines, flexographic printing machines, recycling separation systems, and AI machine intelligence solutions.

CE certification is currently in progress. Contact us for the latest status.

Yes. Doypack and three-side seal formats using barrier laminated films. Liquid filling requires a separate filling machine.

Yes. Three-side seal and doypack. Film thickness up to 180 μm.

Yes. Supports wide bags up to 580 mm.

Three-side seal, doypack, zipper using NY/PE or PET/PE rated for freezer temperatures.

Minor adjustments: 15–30 min. Switching bag types: 30–60 min with trained operators.

Start with film supplier's recommended range, adjust in 5°C increments. Machine supports up to 300°C.

Temperature too low, pressure insufficient, dwell time too short, film contamination, or worn sealing bar.

Film tension inconsistency, film splice variation, photo-eye sensitivity, or servo parameters need recalibration.

Detailed in operation manual. Threading diagram posted near film path on the machine.

Daily: clean sealing bars, check film path. Weekly: lubricate, inspect servo belts. Monthly: check electrical connections, heating elements.

Sealing bars, silicone pads, heating elements, thermocouples, photo-eye sensors, servo belts.

Check PLC touch screen for error code. Common causes: film break, servo fault, temperature alarm. Contact Rey Long support with the error code.

No. Warm up sealing bars 10–15 minutes before full speed. Start slow, verify seal quality, then increase speed.

Via servo-controlled zipper feeding on PLC interface. Set target distance, run test bag, fine-tune.

Max roll diameter: φ600 mm. Standard 3-inch cores. Max web width: 1240 mm main film, 150 mm patch web.

Yes. Photo-eye sensors maintain ≤0.3 mm accuracy. Ensure consistent high-contrast registration marks.

Machine automatically stops. Resplice film, re-thread, reset alarm, restart at low speed.

Yes. Skip function extends effective length up to 6×. Contact engineering team for configuration.

≤0.3 mm accuracy, up to 220 pcs/min, Panasonic full-servo control, competitive pricing, 2–3 month lead time, 10 mm steel-plate frame.

10 mm steel-plate frame, full Panasonic servo control, multi-format capability, AI integration options, direct factory engineering support.