Overview
Halogen-free cable material pelletizing machines are essential equipment for producing eco-friendly cable compounds that comply with international safety standards like IEC 60754 and EN 50267. These machines transform raw polymer blends (typically PE, EVA, or PP-based formulations with mineral flame retardants) into uniform pellets suitable for subsequent extrusion in cable production lines. The equipment represents a specialized segment within plastic processing machinery, designed to handle the unique rheological properties of halogen-free formulations which often contain high filler loads (50-70% mineral content). Modern systems incorporate advanced process control to maintain consistent pellet quality while preventing material degradation.
Structure and Working Principle
The machine consists of several key components: feeding system, twin-screw extruder, die head, pelletizing unit (strand or underwater type), and control system. Material is fed via gravimetric or volumetric feeders, plasticized in the extruder, then forced through a multi-hole die before being cut into cylindrical or spherical pellets. Twin-screw configurations (co-rotating or counter-rotating) dominate this application due to their superior mixing capability for filled compounds. Temperature zones are precisely controlled (±1°C) to accommodate the narrow processing window of halogen-free materials. Some models feature vacuum venting to remove volatiles and ensure pellet purity.
Key Features
High-performance models include wear-resistant screw elements with special hardening treatments (e.g., tungsten carbide coating) to withstand abrasive mineral fillers. Integrated melt pumps ensure consistent pressure at the die head for uniform pellet dimensions, typically 2-4mm in diameter. Energy efficiency is achieved through servo-driven cutters and optimized barrel heating/cooling systems. Modern control interfaces provide recipe management, production data logging, and remote monitoring capabilities. Some units offer quick-change die systems to minimize downtime during product transitions.
Application Areas
Primarily used by compounders and cable manufacturers producing materials for: building wires (BS 7211, NF C 32-070), automotive cables (ISO 6722), railway applications (EN 50306), and photovoltaic cables (TUV 2 PfG 1169). The pelletized output serves as feedstock for downstream extrusion processes. Specific applications include low-smoke zero-halogen (LSZH) insulation for public buildings, flame-retardant sheathing for underground tunnels, and radiation-resistant compounds for nuclear facilities. Growing demand comes from renewable energy sectors requiring durable cable materials.
Maintenance and Precautions
Routine maintenance includes screw/barrel inspection every 3-6 months (depending on abrasive load), replacement of cutter blades, and calibration of temperature sensors. Proper purging procedures must be followed when switching between material formulations to prevent cross-contamination. Operators should monitor motor current draw and pressure profiles to detect early signs of wear or bridging. Special attention is needed for the drying system (if equipped) as moisture can cause porosity in the final pellets. Safety interlocks must be maintained, particularly for automated pellet handling systems.
B2B Procurement Guide
When evaluating suppliers, consider: actual production tests with your specific formulation, availability of spare parts, and technical support response time. Leading manufacturers (e.g., Coperion, Leistritz, USEON) typically offer 12-24 month warranties on mechanical components. Total cost of ownership calculations should account for energy consumption (kWh/kg), wear part replacement frequency, and expected uptime percentage. For medium-scale operations (500-1,000 kg/h), mid-range European or Japanese machines often offer the best balance between price and longevity. Request references from existing customers processing similar material formulations.
Related Manufacturers
- 主营：热风循环烘箱、粉碎机、二维混合机、颗粒机、真空干燥箱、对开门灭菌烘箱、洗药机、三维混合机、双锥混合机、平板真空干燥箱、V型混合机
- 主营：翻堆机、造粒机、粉碎机、对辊颗粒机、挤压颗粒机、实验室颗粒机、粉土机、造粒设备
- 主营：饲料机械设备
- 主营：肥料发酵设备、有机肥造粒设备、有机肥生产线
- 主营：有机肥设备、发酵翻堆设备、有机肥粉碎设备、颗粒机、有机肥配套设备、有机肥生产线设备
- 主营：塑料造粒机、小型塑料造粒机、塑料造粒机全套设备、废旧塑料造粒机、塑料颗粒机、塑料回收颗粒机、塑料破碎机、塑料粉碎机、塑料再生破碎机、塑料破碎清洗生产线、150型塑料造粒机、125小型塑料造粒机、180型塑料造粒机组、大型塑料造粒机、塑料打包带机组、PP塑料打包带生产线、矿泉水瓶破碎清洗机、PET塑钢打包带机组
- 主营：密炼单螺杆造粒机、密炼双阶造粒机、造粒机、塑料造粒机、塑料密炼机、低烟无卤电缆料造粒机、pvc电缆料造粒机、橡胶造粒机、密炼机、橡胶密炼机、阻燃母粒造粒机、制粒机
- 主营：汽车脚垫片材、tpe脚垫片材、汽车内饰片材挤出机、塑料造粒机、塑料造粒代加工、电缆料造粒机、pvc电缆料造粒机、低烟无卤电缆料造粒机、pla生物降解料造粒机、汽车内饰片材生产线、双螺杆造粒机、单螺杆造粒机、pet破布回收造粒机、滑石粉母粒造粒机、碳酸钙母粒造粒机、现货tpe脚垫片材
- 主营：挤出机、造粒机、造粒产线、pla降解料、四叶草颗粒机、内饰片材、塑胶跑道、隔音橡胶板、橡胶片材机、卷材生产线、造粒生产线、机械生产线、板材生产线、覆铝膜片材、丁基阻尼卷材、改性造粒设备、丁基密封胶条、发泡回收造粒、丁基防水卷材、塑胶型跑道设备、防腐卷材押出机、黄金蜂窝止震板、丁基胶条生产线
- 主营：双螺杆造粒机、双螺杆挤出机、拉丝蛋白挤出机、塑料造粒机、塑料挤出机、工程塑料造粒机、弹性体塑料造粒机、电缆料造粒机、再生塑料造粒机、双螺杆配件、填充母粒造粒机、色母粒造粒机、PLA造粒机、PET造粒机、三螺杆造粒机、双螺杆造粒机配件
- 主营：辊花机、除尘箱、复合板、送料机、厢板机、横挂板、车厢板、整平机、车箱板、剪板机、楼板机、围挡板、防滑板、型钢机、汽车厢、开卷机、承重板、打包箱、金属压、剪切机、压瓦机、扣板机、彩瓦机、831吊顶、一机三
- 主营：降解料造粒机、塑料改性挤出机、片材挤出机、双螺杆挤出机
- 主营：搅拌罐、反应釜、搅拌桶、上料机、配料桶、螺旋上料机、蛟龙上料机、不锈钢上料机、不锈钢蛟龙上料机、移动上料机、粉末上料机、输送机、混合罐、混合桶、混合缸、蛟龙输送机、不锈钢蛟龙输送机、搅拌机、储存罐、不锈钢储罐、液体搅拌罐、高压反应釜、加热搅拌罐、液体配液罐、恒温搅拌罐
- 主营：金属剪切机、多刀液压龙门剪、液压龙门剪、颗粒机、废钢破碎机、撕碎机、龙门剪、断桥铝破碎机、金属打包机、轮胎钢丝处理设备、金属破碎机、报废汽车拆解破碎分选、冰箱洗衣机破碎分选、橡胶轮胎磨粉生产线
- 主营：鸡眼机、模切机、热熔胶、塑料颗粒机、挂历条、保护膜、手挽机、回收机、检品机、吹膜机、吹袋机、续纸机、切管机、香菇袋、红包机、丝网机、内裤机、包边机、分装机、加热机、挤出机、贴合机、清洁袋、混合机、文具袋、粉碎机
- 主营：造粒机、实验造粒机、微型造粒机、塑料挤出机、塑料仿藤机、小型抽粒机、塑胶抽粒机、实验挤出机、塑胶挤出机、螺旋管挤出机、三色仿藤机、双螺杆挤出机、单螺杆挤出机、波纹管挤出机、改性造粒机、玻纤造粒机、色母造粒机、PVC异型材挤出生产线、双螺杆造粒机、单螺杆造粒机
- 主营：木材破碎机、木片机、高效粉碎机、生物质颗粒机、颗粒机配件、木屑颗粒机生产线、560型颗粒机、玉米秸秆颗粒机、燃料颗粒机设备、700立式环模颗粒机、850型锯末颗粒机、大型生物质颗粒机厂家、章丘木屑颗粒机厂家、章丘木屑颗粒机价格、章丘颗粒机生产线报价、稻壳颗粒机、牛羊饲料颗粒机、滚筒烘干机、单筒滚筒烘干机、三筒滚筒烘干机、脉冲除尘器、焊烟净化器、烟尘净化器、颗粒取暖炉、生物质颗粒水暖炉
- 主营：挤出机、塑胶跑道、降解造粒机、塑料造粒机、电缆料造粒机、无卤料造粒机、跑道生产线、汽车内饰片材、跑道颗粒造粒机、防锈母粒造粒机
- 主营：造粒机、制粒机、生物质颗粒生产线、颗粒机、生物质颗粒机、木屑颗粒机、秸秆颗粒机、环模生物质颗粒机、大中型生物质颗粒机、锯末颗粒机、稻壳颗粒机、时产 1 吨颗粒机、时产 4 吨颗粒机、560 型颗粒机、5850 型颗粒机、环保颗粒燃料制粒机、生物质燃料颗粒设备、花生壳颗粒机、木屑造粒机、环模制粒机、环模造粒机
- 主营：净化器、喷淋塔、除味设备、上料机、打磨除尘、酸碱废气、吸烟风管、焊烟除尘器、滤筒除尘器、酸碱洗涤塔、光氧等离子、活性炭光氧、布袋除尘器、活性炭吸附箱、车间除尘设备、废气净化设备、催化燃烧设备、光氧催化废气、活性炭一体机、一体净化设备、处理净化设备、废气处理设备、壁挂式吸气臂
- 主营：波纹管、通风蝶阀、金属软管、螺旋上料机、螺旋送料机、绞龙上料机、螺旋给料机、粮食输送机、绞龙输送机、风道调风阀、螺旋输送机、污泥输送机、非金属软连接、电动调节蝶阀、膨胀节、风机软连接、波纹补偿器、非金属补偿器、翻板阀、不锈钢膨胀节、电动风门、不锈钢波纹管、伸缩节、波纹管补偿器、无轴螺旋输送机