Continuous loss-in-weight colour feeder
Walthmac Continuous loss-in-weight colour feeder integrated over 5 patents and adopt world top class component from international famous suppliers, plus strict ISO9001 manufacturing management for quality control. Ensure each single set of our device perform perfect working status on our clients’ production line.
The continuous loss-in-weight colour feeder is a superior solution for many applications due to its numerous advantages. Firstly, it offers high precision which ensures consistent colouring and accurate dosing of materials. This is especially important in industries where quality control is paramount.
Another key benefit of this feeder is its ability to enable "on the go" recipe changeover. This means that production can be switched from one recipe to another without having to stop the process, saving valuable time and reducing downtime. This increases productivity and efficiency, ultimately leading to increased profits.
The feeder is also ideal for extrusion, injection, and blowing applications. It can be used in a variety of materials, including plastics, rubber, and other polymers. This versatility makes it a valuable asset for companies looking to streamline their processes and improve production output.

Products Description
Walthmac color masterbatch loss in weight side feeder specially good at small and high precision rating dosing purpose:
| 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 |
Products aplication
Walthmac color masterbatch loss in weigh side feeder have been sold throughout the world in various industry field like plastic, chemical, food, pharmacy, etc.

Products Detail
1. WALTHMAC multi-function HMI
2. Unique screw feeding structure with patent.
3. High speed DSP module for fast data processing.
4. World top class core hardware component in the world.
5. Stainless steel case structure.

FAQ
Q: What is a continuous loss-in-weight colour feeder?
A: A continuous loss-in-weight colour feeder is a type of feeding equipment that continuously delivers precise amounts of colour additives to a process line. It operates on the principle of weighing the material being fed and adjusting the flow rate as needed to maintain a consistent weight loss rate.
Q: What are the benefits of using a continuous loss-in-weight colour feeder?
A: Using a continuous loss-in-weight colour feeder provides several benefits. It ensures precise dosing, reducing waste and saving material costs. The ability to consistently deliver the correct amount of colour additive also helps maintain product quality, resulting in fewer defects. Additionally, the equipment requires minimal operator intervention, reducing labor costs and increasing efficiency.
Q: What types of materials can be fed using a continuous loss-in-weight colour feeder?
A: A continuous loss-in-weight colour feeder can be used to feed a wide variety of materials, including powders, granules, pellets, and flakes. It can also be used with both free-flowing and non-free-flowing materials.
Q: How is a continuous loss-in-weight colour feeder calibrated?
A: Calibration of a continuous loss-in-weight colour feeder involves setting the target rate and calibrating the hopper weight and feed rate controls. The operator will need to monitor the process and adjust the feed rate as necessary to maintain the desired weight loss rate.
Q: How does a continuous loss-in-weight colour feeder work with a control system?
A: A continuous loss-in-weight colour feeder typically operates as part of a control system that monitors and adjusts the process as needed. This could include adjusting the feed rate based on the amount of material being processed or monitoring and adjusting the feeder based on a specific set of criteria. The control system also provides real-time data on the process, allowing the operator to make informed decisions and adjustments.
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