loss in weight side feeder for extruder
Walthmac Loss in weight side feeder for extruder system is designed to automatically detect and control the closed loop based on the set material consumption rate. With its high precision continuous feeding capability, this system surpasses traditional volumetric feeders and screw feeders.
The loss in weight principle forms the basis of this system, which uses a patented mechanical transport structure and a high-precision weighing sensor system with a resolution of 4 million to accurately control micro-feeding and dosing operations. This ensures that the material is delivered with extreme precision and consistency, thereby enhancing the overall efficiency and productivity of the extrusion process.
loss in weight screw side feeder for extruder specification
loss in weight screw side feeder for extruder Throughput per hour range from 0.05 to 40 kg per hour
| Model | Throughput(L/H) | Dimensions Size/mm |
| GD-D-20 | 0.05-1.2 | 700*280*710 |
| GD-D-25 | 0.1-3 | 700*280*710 |
| GD-D-30 | 0.2-5 | 700*280*710 |
| GD-D-35 | 0.4-10 | 700*280*710 |
| GD-D-40 | 0.6-15 | 700*280*710 |
| GD-D-45 | 1-25 | 700*280*710 |
| GD-D-55 | 3-40 | 700*280*710 |
Walthmac loss in weight screw side feeder for extruder has upgraded from the initial model to the current 4th generation, a strict screened out international branded suppliers has accompanied us all the way to today, too. Walthmacloss in weight screw side feeder for extruder combined in total 5 patent techniques self-developed by our R&D dept. Stable working status and high accuracy control performance has gained us wild good reputation on the market.
Scope of application:
Plastics film/cable/pipe/production of raw material/plastics modification and Chemical Industry.loss in weight screw side feeder for extruder is applicable for the precise control to the micro-quantity feeding process such as color masterbatch and additives. Only by setting of material consumption, the system will automatically inspect and control the closed loop.
It is undoubtedly that the system surpass traditional volumetric feeder and screw-type masterbatch doser in high-precision continuous feeding. Based on the loss-in-weight principle, the system will precisely work micro-feeding and dosing with the help of high-precision load cell system with four-million resolution and a unique patent of mechanical transport structure.


GD series Detail
1. Walthmac HMI
2. Paten screw feeding mechanical part.
3. DSP: Core part of data processing and machine control.

GD series working principle
Loss-in-weight screw side feeder for extruders is a highly efficient and reliable device that is widely used in the plastic industry. It is designed to accurately and consistently feed a range of materials into the extrusion process, ensuring a high-quality end product.
(1)The working principle of this feeder is simple but effective. The feeder consists of a hopper, a screw, a weighing system, and a control system. The material to be fed is stored in the hopper, and the screw rotates to transport the material to the extruder. The weight of the material is continuously monitored by the weighing system, which adjusts the speed of the screw to maintain a constant feed rate.
(2)the loss-in-weight screw side feeder is its high accuracy.
The feeder can accurately feed materials with very precise specifications, ensuring consistent quality and reducing waste. It is also highly efficient, allowing for a fast and continuous feed rate that optimizes the extrusion process.
(3) loss-in-weight screw side feeder is its versatility.
The feeder can handle a wide range of materials, including powders, granules, flakes, and fibers. It is also capable of feeding materials with varying densities, making it ideal for a range of plastic extrusion applications.

GD series after-sales service
(1)As a trusted supplier of loss in weight screw side feeder for extruder, we are committed to providing our customers with the best possible service. We understand the importance of timely delivery and the need for a strong and secure packaging to ensure that our products arrive at their destination in perfect condition.
(2)That's why we offer a range of delivery options, including EX-work, FOB, and CIF, to suit your specific needs. We also have an extensive worldwide agency network, which enables us to provide our customers with unparalleled levels of support, no matter where they are based.
(3)In the unlikely event that you encounter any issues with our loss in weight screw side feeder for extruder, you can rest assured that our 7-24 instant respond service will be there to help. Whether you need technical assistance or advice on how to troubleshoot an issue, our knowledgeable and experienced support team is just a phone call away.
(4)Our pricing options include EX-work, FOB, and CIF, allowing our customers to choose the best option that fits their needs.
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