The DCS-GF1 granules packaging machine is an automatic open mouth bagging system that weighs, fills, and seals granular materials such as fertilizer, rice, grains, plastic pellets, and chemical powders into bags from 1 to 50 kg, at speeds of 250 to 400 bags per hour, with a weighing precision of ±0.2% FS.

It belongs to the DCS-GF series of gravity feed bag fillers, sitting between the entry level DCS-GF and the higher capacity DCS-GF2, and is built for manufacturers, fertilizer producers, food processors, and bulk material packagers who need consistent bag weights without relying on manual labor for every stage of the process.

How the DCS-GF1 Works

The DCS-GF1 uses a gross weigh, gravity feed design rather than an auger or valve system, which makes it especially suited to free flowing granules and pellets rather than fine powders. The cycle runs in five steps:

1. Bag loading – the operator places an empty open mouth bag onto the machine’s discharge spout.
2. Bag clamping – a pneumatic cylinder secures the bag automatically once the clamping switch is activated.
3. Material filling – granules flow by gravity from the hopper into the bag while the weighing controller tracks the load.
4. Weight cutoff – feeding stops the instant the target weight is reached, with automatic correction for blanking difference and zero point drift.
5. Sewing and thread cutting – the filled bag transfers to the sewing station, where it is closed and the thread is cut automatically.

Because bag loading and clamping still involve an operator, the DCS-GF1 is best described as semi-automatic at the front end and automatic from fill through to seal, which keeps capital cost lower than a fully robotic line while still removing the slowest manual steps.

Open Mouth vs Valve Bag: Why It Matters for Granules

A common question buyers ask before purchasing is whether an open mouth or valve bag system suits their material better. Open mouth baggers, like the DCS-GF1, fill bags that are fully open at the top, then seal them by sewing or heat sealing afterward. Valve bag fillers inject material through a small corner opening in a pre-closed bag, which reduces dust but generally runs slower and suits fine powders more than granules.

For granular products such as fertilizer pellets, rice, seeds, plastic resin, sand, and ore, open mouth systems are typically the better fit because:

• Granules flow predictably under gravity, so dust control matters less than it does for powders
• Open mouth bags accept a wider range of bag materials, including woven PP, paper, and PE liners
• Sewing or heat sealing after filling gives a strong, tamper evident closure suited to bulk shipping and palletizing

المواصفات الفنية

الميزات الرئيسية

• High precision weighing using an imported sensor and an intelligent weighing controller, holding accuracy at ±0.2% FS with automatic tracking of zero point drift
• Gravity feeding mechanism that channels granular material into the bag smoothly, without the mechanical wear an auger system experiences on abrasive products
• Automatic thread cutting and sewing, available as an option, which removes the need for a separate manual sewing operator
• Overshoot detection and fault alarms for over weight or under weight bags, plus a manual override so the line keeps running even if the automatic control faults
• Stainless steel contact surfaces for corrosion resistance, which matters for fertilizer and chemical granules and supports food hygiene requirements where needed
• Pneumatic bag clamping that holds the bag securely during fill, reducing spillage and uneven fill compared with manual hand clamping
• Adjustable conveyor height, which automatically adapts when the packing weight or bag size changes

Applications by Industry

1. الزراعة – rice, grains, seeds, animal feed
2. Chemicals and fertilizer – granular fertilizer, plastic pellets, agrochemical granules
3. Food – sugar, flour, spices, granulated food products
4. الإنشاءات – sand, cement, and similar building materials
5. Minerals – ore, salt, and other granular industrial materials

What Bag Weight and Speed Can the DCS-GF1 Handle

The DCS-GF1 packs bags from 1 kg up to 50 kg, with the exact weighing range set during configuration to 1-5 kg, 5-10 kg, 10-25 kg, or 25-50 kg. Throughput runs 250 to 400 bags per hour depending on material flowability, bag size, and whether the automatic sewing option is fitted. Heavier bags and finer granule blends generally run toward the lower end of that range, while free flowing pellets at smaller bag weights reach the higher end.

Maintenance and Reliability

Routine upkeep on a gravity feed bagging machine like the DCS-GF1 mainly involves:

• Inspecting and lubricating the pneumatic cylinder and bag clamp
• Checking load cell calibration periodically to maintain ±0.2% FS accuracy
• Cleaning the hopper and discharge spout to prevent material buildup, especially with sticky or fine blended granules
• Verifying the sewing head and thread cutter if the automatic sewing option is installed

The fault self diagnosis function and manual override mean that a sensor or control fault does not stop production outright, since operators can complete the fill cycle manually while the issue is addressed.

Why Choose the DCS-GF1

• Throughput: 250 to 400 bags per hour suits mid to large scale operations that have outgrown a basic gravity filler but do not yet need a fully automatic net weigh system
• الدقة: ±0.2% FS precision with automatic zero tracking limits product giveaway over a production run
• Flexibility: configurable weighing range from 1 kg to 50 kg covers small retail bags through bulk industrial sacks
• Durability: stainless steel contact parts resist corrosion from fertilizer, chemical, and food grade granules
• Lower training overhead: automatic thread cutting and sewing reduce the skill and labor needed at the sealing stage compared with fully manual sewing

الأسئلة المتداولة

What materials can the DCS-GF1 pack? 

Free flowing granular materials including fertilizer, rice, grains, seeds, plastic pellets, sand, cement, ore, salt, sugar, flour, and spices.

Is the DCS-GF1 fully automatic?

 It is semi-automatic at bag loading and clamping, then automatic through weighing, filling, and sealing. The thread cutting and sewing function is automatic when fitted as an option.

How accurate is the weighing system?

 ±0.2% FS, supported by automatic correction for blanking difference and zero point drift.

What is the difference between the DCS-GF, DCS-GF1, and DCS-GF2? 

They share the same weighing range and precision. The DCS-GF1 sits in the middle on speed, power, and footprint, packing 250 to 400 bags per hour against 200 to 300 for the DCS-GF and 500 to 800 for the larger DCS-GF2.

Is an open mouth bagger better than a valve bagger for granules? 

For most granular products, yes. Open mouth systems handle granules and pellets at higher speed and accept a wider range of bag types, while valve baggers are generally preferred for fine, dusty powders.