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Seiko fine rigorous pursuit leads the trend of transformer
Seiko fine rigorous pursuit leads the trend of transformer
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More than 30years of driving and motor research and development experience

Henan Ennai Automation Equipment Co., Ltd. is located in Zhengzhou, the hinterland of the Central Plains of China, and is a high-tech company specialising in the research and development, production, sales and technical service of marking equipment such as fibre laser marking machine, UV laser marking machine, CO2 laser coding machine, engraving machine, hand-held inkjet printer, laser welder, and laser cleaner.  Ennai products are widely used in f...
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Advanced production technology Advanced production technology
Century-old product history Century-old product history
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Efficient after-sales service Efficient after-sales service
Online flying fiber laser marking machine
Water cooled frequency converter

Online flying fiber laser marking machine

Henan Ennai Automation Equipment Co., Ltd. is located in Zhengzhou, the hinterland of the Central Plains of China, is a high-tech company specializing in the research and development, production, sales and technical services of fiber laser marking machine, ultraviolet laser coding machine, CO2 laser coding machine, engraving machine, hand-held inkjet printer, laser welder, laser cleaner and other marking equipment.   Ennai products are widely used in food, pipe, wire and cable, building materials, paper products, beverages, chemicals, plates, pharmaceuticals, pesticides, cosmetics, automotive parts, plastic Kyauk, tobacco, alcohol, lubricants, printing, new energy sources, lead-acid batteries and other industries; to provide customized and integrated automation solutions for visual identification and rejection, traceability and so on.
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In-line flying CO2 laser marking machine
Water cooled frequency converter

In-line flying CO2 laser marking machine

Henan Ennai Automation Equipment Co., Ltd. is located in Zhengzhou, the hinterland of the Central Plains of China, and is a high-tech company specialising in the research and development, production, sales and technical service of marking equipment such as fibre laser marking machine, UV laser marking machine, CO2 laser coding machine, engraving machine, hand-held inkjet printer, laser welder, and laser cleaner.   Ennai products are widely used in food, pipe, wire and cable, building materials, paper products, beverages, chemicals, plates, pharmaceuticals, pesticides, cosmetics, automotive parts, plastic Kyauk, tobacco, alcohol, lubricants, printing, new energy sources, lead-acid batteries and other industries; to provide visual identification and customised integrated automation solutions for the rejection and traceability.
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Static UV laser marking machine
Water cooled frequency converter

Static UV laser marking machine

Henan Ennai Automation Equipment Co., Ltd. is located in Zhengzhou, the hinterland of the Central Plains of China, and is a high-tech company specialising in the research and development, production, sales and technical service of marking equipment such as fibre laser marking machine, UV laser marking machine, CO2 laser coding machine, engraving machine, hand-held inkjet printer, laser welder, and laser cleaner.   Ennai products are widely used in food, pipe, wire and cable, building materials, paper products, beverages, chemicals, plates, pharmaceuticals, pesticides, cosmetics, automotive parts, plastic Kyauk, tobacco, alcohol, lubricants, printing, new energy sources, lead-acid batteries and other industries; to provide visual identification and customised integrated automation solutions for the rejection and traceability.
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Handheld Laser Marking Machine
Water cooled frequency converter

Handheld Laser Marking Machine

The new handheld laser marking machine is based on the original, to achieve technological innovation, the price is friendly.Ultra-large battery, significantly improve productivity.Equipped with 8-core Linux system and intelligent operation interface, simplify the operation, easy to deal with all kinds of needs, it can bring you unexpected surprises!
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Why choose us

Core technology advantage

  • Low voltage crossing
    Low voltage crossing

    •变频器可自启动,动能缓冲;

    •时间与具体负载相关,已经过第三方机构验证。

  • N+ level unit configuration mode
    N+ level unit configuration mode

    •目前可增加到16级;

    •中高压变频器的稳定性提高;

    •大大减少了因高频控制而导致的机组IGBT故障;

    •使设备的稳定性大大高于标准设备。


  • Power cell bypass technology
    Power cell bypass technology

    •采用机械旁路控制技术;

    •每个相位最多支持2级旁路;

    •国外建议采用同级别旁路。


  • Fan redundancy function
    Fan redundancy function

    •风机状态监控和报警;

    •变频器在风机损坏的情况下仍能正常运行;

    •变频器能准确定位风机故障位置。


  • Two-machine parallel connection
    Two-machine parallel connection

    •实现变频热备;

    •提升设备运行可靠性;

    •单个变频器故障时,电机仍可继续运行;

    •故障变频器恢复后,不停机切换回并联运行。


  • Speed sensorless vector control
    Speed sensorless vector control

    •采用自主研发的高性能速度矢量控制方式,无需速度传感器;

    •大起动转矩;

    •抗负荷波动能力强;

    •控制精度高等特点。


  • uninterrupted switching
    uninterrupted switching

    •实现从工频到变频的自由切换;

    •自适应,同步过程中无影响;

    •支持同步并网及矢量的回切控制;

    •解决大功率电机软启动和回切调速问题。


  • Multi-machine drive control
    Multi-machine drive control

    ●多机主从控制;

    ●功率平衡分配;

    ●适用于皮带机等多机联动领域。


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Henan Ennai Automation Equipment Co., Ltd. is located in Zhengzhou, the hinterland of the Central Plains of China, and is a high-tech company specialising in the research and development, prod...

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