PRODUCT INTRODUCTION
WalthMac GraviMac series High precision plastic gravimetric Closed-loop control system
In a plastic pipe extrusion line, the three main reason for influence the pipe thickness is the screw speed,tractor speed and material consumption. Our products adopts embedded real-time control system and equipped with a high-precision weighing module. The system continuously measures the material consumption of the extruder and collects the screw speed of the extrusion production line and the speed of the tractor in real time to form a closed-loop control system. After the meter weight extrusion output set, according to the set value, the system will adjust the screw speed and haul off speed in real time based on its adaptive algorithm, so as to achieve pipe wall thickness control.

PRODUCT DETAILS
![]() | Save Raw Material 1% to 5% Gravimetric control system can simultaneously control the extrusion output and meter weight and keep them constant. It is usually used for the extruder with unstable extrusion output caused by various factors. Therefore, the system can save raw material greatly by controlling the wall thickness stability. |
Suitable for Various Plastic Production WalthMac GraviMac series High precision plastic gravimetric control system is suitable for various filming, plastic pipe, sheet, and module injection machine. | ![]() |
![]() | Main Components The system consists of date acquisition control unit of meter weight, screw speed acquisition unit, display control unit and acquisition unit for linear speed. All main components are made by high quality material, quality assured. |
APPLICATION AREA
High precision plastic gravimetric control system is sutable for all kinds of plastic products production control:

PRODUCT CONGIGURATION
Model | Output(kg/hr) | Size(mm) |
GMS-04 | Up to 150 | 430x290x750 |
GMS-06 | Up to 350 | 460x320x810 |
GMS-12 | Up to 500 | 460*320*910 |
GMS-20 | Up to 900 | 510*360*1010 |
GMS-30 | Up to 1250 | 510*360*1230 |
DELIVER SHIPPING AND SERVING
Every machine will accept strictly inspection before leaving factory.

Standardized and customizable product packaing, firm and safe, ensure goods are delivered to customers intactly.

We offer many modes of transportation including sea and air, international mainstream freight companies are supported.

FAQ
Q1. How about the after sales service?
We offer 5 star worry free after sales service and we’ll pay regular return visit to each set of our devices sold out throughout the world every 6 months, to ensure our equipment continuously working well and bring value to our clients.
Q2 What is your terms of packing?
A: Generally, we pack our plastic granule gravimetric dos in wooden cases.
Q3.What is your items of payment?
A:T/T or some other payment methods. We'll show you the photos of the products and packages before you pay the balance.
Q4.What is your terms of delivery?
A:EXW,FOB,CFR,CIF
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