Gravimetric screw powder feeder for extruder line/film blown molding line
Walthmac WPB series gravimetric screw powder feeder adopts the integrated weighing mechanism and controlled by Walthmac computer control system, can adjust the screw rotation speed automatically according to real production data feedback from production line, guarantee continuous high-precision dosing feeding.
Our WPB series gravimetric screw powder feeder equipment features advanced control systems that monitor and regulate the feeding of powdered materials, with precision up to the gram. This ensures consistent product quality, reduces processing errors and eliminates the need for frequent adjustments, resulting in increased efficiency and productivity.
Our WPB series gravimetric screw powder feeders are designed with ease of use and maintenance in mind. Simple controls and easy-to-clean designs ensure that operators can spend less time operating the equipment and more time focused on their core tasks.
WPB series Gravimetric Screw Feeder parameters
Walthmac gravimetric screw powder feeder series has in total 4 standard models for option:
| MODEL | Size/cm | NW | Throughput（L/HR） | Power | Precision rating |
| WPB-T1 | 57*40*59 | 50 | 0.8-228 | 0.2 | +- 99.5% |
| WPB-T2 | 89*55*115 | 80 | 1.3-432 | 0.8 | +- 99.5% |
| WPB-T3 | 106*63*121 | 150 | 1.8-532 | 1.8 | +- 99.5% |
| WPB-T4 | 106*63*156 | 190 | 2.1-639 | 1.8 | +- 99.5% |
WPB series Gravimetric Screw Feeder advantage
（1）High-speed and high-precision weight detection unit with resolution of one per four millins
（2）Horizontal arching-breaking device to ensure saturation flling
（3）Quick release design: easy for installation and maintainence and material change
（4）Dynamic display to feeding process
（5）Free vertical arch-breaking device of patented, more effectively prevent material from bridging
and improve metering accuracy
（6）Professional feeding design and a variety of professional conveying screws to ensure feeding
accuracy and conveying stability
（7）Repeatability precision: The average sampling error of two sigma is plus or minus 0.5~1%.
（8）Linear accuracy: plus or minus 0.5% of the set value
（9）Multi - machine coordination
（10）Remote-control (option)
Products Description
Applicable Material | Powder,granule, flake, liquid | Precision error | <0.3 -0.5% |
Weighing Resolution | 1 per 4 million | Control Unit | Microprocessor |
Communication interface | Multiple industrial filedbus are available | Driven Element | Servo Drive |
Material | Stainless steel | Power | 0.2kw-1.8kw |
Power Supply | 220V AC(customized power supply is available) | ||
Gravimetric screw powder feeders custom service
Gravimetric screw powder feeders are an essential component in extruder lines and film blown molding lines, ensuring a controlled and accurate supply of powdered materials to the processing machinery. At our company, we offer customizable services to meet the specific needs of our clients, allowing them to optimize their manufacturing processes with reliable and efficient equipment.
Our team of specialists works closely with each client, understanding their unique requirements and providing tailored solutions that enable them to improve their production output and reduce waste. We utilize state-of-the-art technology and high-quality materials to design and manufacture our gravimetric screw powder feeders, ensuring that they are reliable and long-lasting.
FAQ
1. What is a gravimetric screw powder feeder?
A gravimetric screw powder feeder is a machine that precisely feeds and weighs powdered materials into an extruder line or film blown molding line based on a set value. This feeder ensures accurate and consistent delivery of powders, resulting in a high-quality end product.
2. What is the repeatability precision of the gravimetric screw powder feeder?
The average sampling error of two sigma is plus or minus 0.5-1%. This means that the feeder can accurately replicate the feeding process within a tight margin of error, providing reliable and consistent results.
3. What is the linear accuracy of the gravimetric screw powder feeder?
The linear accuracy is plus or minus 0.5% of the set value, making it highly precise and reliable in feeding materials into the extruder or molding line. This ensures that the final product is uniform and of high quality.
4. Can the gravimetric screw powder feeder be used with multiple machines?
Yes, the feeder can be coordinated to work with multiple machines, making it a versatile solution for a wide range of applications.
5. Is remote control an option for the gravimetric screw powder feeder?
Yes, remote control is an option for this machine, allowing the operator to control the feeding process from a distance. This feature makes it convenient and easy to operate, even when the feeder is located in a remote or hard-to-reach location.
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