Screw Extruder Side Feeder (GD-D-40)
Screw Extruder Side Feeder bsed on loss-in-weight principle, the feeding screw will be dynamically adjusted based on setting value of dosing to ensure high precision. Side feeder will make dynamic change along with the main material to adjust dosing quantity after connecting with signal from master machine.


Model and Parameter | ||
Model | Throughput(L/H) | Dimensions(mm) |
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 |

Applications: Wildly applied in plastic industry such as extrusion line, film blown molding line, injection molding line, plastic raw material modification, etc.


1. HMI of Walthmac patent control system.
2. Unique mechanical design of screw dosing part
3. DSP: self-developed main-board for dosing data processing and control.


WALTHMAC build up strong market good reputation among all our valued clients by continuously offering EU industry standard quality equipments with competitive prices.

OEM services:
Cooperating with first class academics, Walthmac has deposited over 50 patents in our full production line in past 10 years. A stable experienced expert R&D team enables WALTHMAC to accept OEM & ODM order from our clients to solve their various production requirements.

Installation service:
We offer installation and after salves services with multi-options according to clients’ need. Sending technicians to install on site or offering on line & video instructions, 7-24 instantly respond, worry free warm services set up all for clients only.
Shipping and delivery:
Good packing and on time delivery for every order. 7-24 instantly feedback to issues concerned by all our clients.

1.Which kind of certificate do you have?
CE & ISO. BTW: fully implemented 6s management procedure in our plant..
2.How about quality guarantee?
It's 1 year for whole unit.
3.What's the MOQ?
We have no requirement on the quantity for it.
4.Can you accept OEM or ODM?
Yes for sure.
5.Which markets you are selling to now?
We sell our products all over the world, such as Morocco, Germany, South Africa, Korea, Middle East and etc.
6.Can we be a distributor/dealer in our market?
Yes, we can discuss the items and conditions.

Research shows the 3D printing raw materials market potential will register a growth at a CAGR of 20.7% in the coming 5 years. The fast growing requirement of new type materials including polymer, metal, ceramic & composite, etc, how should plastic industry prepare for it?
Walthmac pay high attention to this new market trend and keep close communications with our partners on technical R&D and deposit. The 3D printing industry may tremendously change many side of our lifestyle in future. Walthmac will be deeply get involved in it.

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