Zhejiang Rongcai Machinery Co., Ltd

Products

3D Printing Filament Extrusion Machines & Production Lines

Explore Rongcai's high-speed and standard-speed 3D filament extrusion lines, along with automatic filament winding machines for different spool requirements.

Materials

PETGABSPLAPLA+etc.

Materials outside this list are reviewed case by case and are not part of the standard published configuration.

Category guide

Product categories

3D Printing Filament Extrusion Lines

3D Printing Filament Extrusion Lines

Integrated extrusion solutions for 3D printing filament production, with high-speed and standard-speed configurations to match different production requirements.

Automatic Filament Winding Machines

Automatic Filament Winding Machines

Automatic winding equipment designed for filament take-up and winding operations. Select the fixing method that fits your production setup.

Comparison

High-speed or standard?

Both configurations cover the same process chain from feeding to automatic winding. Compare the documented difference before choosing a line.

Selection guide

What decides the line selection

  • Material to be processed — PETG, ABS, PLA, PLA+, etc.
  • Filament diameter and tolerance to be held
  • Target extrusion output and the production hours per day
  • Automation level required at the end of the line
  • Spool core diameter, maximum wound diameter and packed spool weight
  • Available power supply and the plant layout the line has to fit

Specification

Shared specification

ParameterSpecification
Process chainFeeding, extrusion, cooling, diameter control, traction, automatic winding
Applicable materialsPETG, ABS, PLA, PLA+, etc.
Filament diameter1.75 mm ±0.03 mm
Screw and temperature controlSingle screw 30:1 L/D, 6-stage independent PID
Installed power69.4 kW for the specified configuration
Diameter detectionDual-axis laser, ±0.001 mm

These specifications are shared by both the high-speed and standard-speed lines. Configuration-specific values such as extrusion output, line speed, cooling water tank and spool fixing method differ per line and are compared on the comparison page.

Who runs these lines

  • 3D printing filament manufacturers running continuous extrusion
  • Material producers extending a polymer range into filament supply
  • Filament rewinders and repackers handling spool finishing
  • Established extrusion plants adding an automatic winding station

FAQ

Product questions

What is a 3D printing filament extrusion line?

A 3D printing filament extrusion line is a production system that turns polymer pellets into finished filament spools. A Rongcai line combines material feeding, single-screw extrusion, hot-water and cold-water cooling, in-line diameter measurement, servo traction and automatic winding, so one continuous process runs from raw material to a wound spool.

What materials can a Rongcai filament extrusion line process?

Rongcai filament extrusion lines are specified for PETG, ABS, PLA, PLA+, etc. Other materials are reviewed case by case during the project discussion and are not part of the standard published configuration.

What filament diameters can the line produce?

The documented configuration produces 1.75 mm filament with a tolerance of ±0.03 mm. Diameter range and tolerance are confirmed together with the material and output target during the project review.

Can a filament extrusion line be customized?

Line configuration is agreed per project: material, filament diameter, target output, cooling and automation level, spool specification and plant layout all influence the final arrangement. Send the material, diameter, output target and spool size you pack, and Rongcai reviews a matching configuration.

What is the production capacity of a filament extrusion line?

Capacity is stated as extrusion output, not as a guaranteed finished-spool figure. For the documented high-speed configuration the extrusion output is up to 37 kg/h and is adjustable. Real throughput in service also depends on material, spool changeover and the shift pattern, so the figure is agreed with your own production target.

Tell us the material, diameter and output target

With the material, filament diameter, target output and spool specification, Rongcai can review a matching configuration and prepare a quotation.

Request a quote