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PVC Window Profile Extrusion Line

+25% Output Efficlency

-15% Energy Consumption

99.6% Stable Operation Rate

Why our plastic profile extruder stands out

Midtech's PVC window profile extrusion line is designed for manufacturers producing high-quality window frames and sashes. The production line is equipped with a high-efficiency conical twin-screw extruder. This extruder features an optimized screw structure and high-torque design, ensuring thorough mixing of PVC resin, stabilizers, fillers, and other raw materials, effectively preventing defects such as localized embrittlement and color variation in the profiles.

Parameter

ModelSJZ51SJZ55SJZ65SJZ80
Extruder modelφ5I/105φ55/110φ65/132φ80/156
Main motor power (kw)18223755
Capacity (kg)80-100100-150180-250350-400

Core Advantages

Extruder

World famous brand electrical component such as Siemens, Schneider, WEG etc.

High torque gearbox with adopts NSK/SKF bearing.

Die head and connections are Nickel plating, avoid PVC rust.

Die head and connections are Nickel plating, avoid PVC rust.

Mould

High-speed production significantly reduces cycle time and boosts efficiency.

Excellent dimensional stability ensures precise.

Quickly open type of die head for convenient operation.

Optimized cooling channels reduce warping and shorten overall molding time.

Vacuum Calibrator

Four direction adjustment, Supporting multi-dimensional fine adjustment.

Equipped with air & water cyclone separator.

Stainless steel vacuum and water pump, Corrosion resistance ensures long-lasting performance.

Inverter control of the vacuum and water pump . Energy savings match real demand.

Haul Off & Cutter

Swing arm mechanism system,makes adjustment haul off rack level, more touching space.

Adopt silicone rubber block , more durable.

Equipped with a precision measuring encoder.

Strong Dust collection system.

YOUR PARTNER IN PLASTIC PROCESSING

Midtech transforms plastics into possibilitles.

ConticLus today tarlormereebuut our torpliele pluasli processing solutions.

FAQ

What is the components of UPVC PVC Window Profile Production Line?
The UPVC window profile production line mainly consists of the following core equipment: raw material mixing system (high-speed mixer + cold mixer, used for uniform mixing of PVC resin, additives and fillers), twin screw extruder, extrusion die, vacuum shaping and cooling device, conveyor, cutting machine, and stacker.

Cooling water temperature should be controlled at 12-16°C with effective water pressure above 0.2MPa. The water should preferably be softened, and the water supply must meet the cooling requirements of the profiles. Uniform cooling, top and bottom, is essential to minimize bending or bowing of the final window profiles

Dimensional variations are mainly caused by mismatch between haul-off speed and extrusion speed. Excessive haul-off speed reduces dimensions (profile cannot fill the die); low speed causes die blockage. Other factors: feed fluctuations, uneven heating, unstable traction, uneven mixing, or die gap changes. Ensure haul-off speed matches extrusion rate and monitor feed stability continuously
Around 45 – 60 days, according to customer requirements.

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