Silane Cross Linked Cable Compound Pelletizing Line

High speed mixing machine, twin-screw host (optimized aspect ratio), intelligent metering feeding system, water-cooled stretching machine head, cantilever granulator, vacuum conical shaking tank, vacuum packaging machine.
Supporting equipment: PLC control system, hot cutting/water cutting granulation module, air-cooled conveying system.

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Product Introduction

Product Description

1. Process Flow

Two step production: A material (graft material) and B material (catalyst masterbatch) are processed separately, mixed, and extruded to achieve cross-linking.

2. Structural Composition

Supporting equipment: PLC control system, hot cutting/water cutting granulation module, air-cooled conveying system.

Applicable materials: Thermal/shear sensitive materials such as PE (LDPE/HDPE), XLPE, EVA, PA, etc.

Product Features

01/

Efficient Mixing and Dispersion

Double screw high-speed strong shear + single screw low-temperature weak shear achieve uniform dispersion of materials and avoid pre crosslinking or coking caused by local overheating. The dispersion effect is improved by 30%, the melt index is better than traditional twin-screw technology, and the flowability is better.

02/

Intelligent Control

The PLC system monitors temperature, pressure, and feeding speed in real-time, automatically optimizes parameters, and ensures stable product quality.

Multi scale linkage control, supporting precise A/B material ratio (such as 95:5), with an error rate of less than 0.5%.

03/

Energy Conservation and Environmental Protection

Low friction heat design reduces the host current by 20% and saves energy consumption by 15%. Fully enclosed production process, waste gas is treated through spray towers, and dust emissions are less than 10mg/m³.

04/

Wide Applicability

Support one-step/two-step silane crosslinking process to meet the needs of low voltage cables below 10KV, 125℃ flame-retardant cables, halogen-free cables, etc. Compatible with recycling material granulation (waste film, waste silk), materials include PP, PVC, EVA, etc.

05/

Durability and Safety

The wear-resistant screw material (nitrogen plated chrome) has a longer lifespan than ordinary equipment. Explosion proof design + automatic emergency stop function, ensuring safety under high temperature and high pressure conditions.

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Applicable Fields

Power cables (below 10KV), communication optical cables, new energy vehicle wiring harnesses, marine cables, photovoltaic cables, etc.

FAQ

1. Why does silane cross-linked cable material need to be produced step by step?

The two-step method (A/B material separation) can avoid premature reaction between grafting and catalyst, prolong storage life (>6 months), and reduce the risk of pre crosslinking.

2. Does the device support flame-retardant/halogen-free formulas?

Yes, it is. Specially designed for low smoke halogen-free cable materials, the dispersion of flame retardants is improved by 50%.

3. How to solve the problem of unqualified thermal shrinkage?

This equipment adopts a two-step process to accurately control the degree of cross-linking, and the thermal shrinkage rate meets national standards.

4. Is it necessary to dry raw materials during the production process?

Silane crosslinking material does not need to be dried, but the masterbatch/carbon black needs to be preheated at 70℃ for 4 hours to remove moisture.

5. How long is the equipment maintenance cycle?

It is recommended to lubricate key components every 500 hours, and the screw cleaning cycle is 72 hours.

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