Electromagnetic Gantry Crane kwa Udhibiti Ulioboreshwa wa Billet

Client Background: Jiangsu Nanjing Iron & Steel (Nangang)

Jiangsu Nanjing Iron & Steel Co., Ltd. (Nangang) is a major steel producer in East China, known for its advanced rolling mills, high-quality plate and section steel production, and strong commitment to intelligent and green manufacturing. As part of its smart plant upgrade strategy, Nangang sought to optimize billet and plate handling efficiency in its rolling workshop. To support this initiative, the company adopted DAFANG’s intelligent Electromagnetic Gantry Crane, enabling a significant leap in automation, safety, and operational performance.

Electromagnetic Gantry Crane Applied in Rolling Workshop Material Handling

By deploying DAFANG’s electromagnetic gantry crane, Jiangsu Nangang achieved intelligent upgrading of the material handling process in its rolling workshop. With electromagnetic adsorption technology, laser positioning, and an intelligent monitoring platform as its core features, the equipment greatly enhanced efficiency and operational safety, delivering an “efficient, safe, and green” logistics solution for the metallurgical industry. This project demonstrates the development of gantry cranes toward higher specialization and smarter operation, helping the client achieve cost reduction and productivity improvement.

Muhtasari wa Vifaa

To improve billet handling efficiency in the rolling workshop, Nangang introduced the Electromagnetic Gantry Crane featuring:

• Double-girder design
• Rated lifting capacity: 50 tons
• Span: 32 m
• Lifting height: 24 m
• Electromagnetic lifting disc: Ø 3 m, magnetic force 35 tons
• Operation modes: ground remote control + cabin control
• Full compliance with GB/T 3811 crane design standard
• Certified to ISO 12482
• Specially engineered for high-temperature and heavy-dust metallurgical environments

Matukio ya Maombi ya Msingi

Billet Transfer

• Task: Handling hot billets (45 tons each, 15 m long)
• Utendaji:
• Mfumo otomatiki wa kukamata sumaku (jibu ≤ 3 s)
• Akili ya kuzuia mgongano kwa daraja na toroli
• Transfer efficiency increased by 60%
• Uingiliaji kati wa mikono ulipunguzwa kwa 80%

Plate Yard Management

• Task: Multi-layer plate stacking (12 tons per plate)
• Utendaji:
• Usahihi wa kuweka laser ± 10 mm
• Matumizi ya yadi yameboreshwa na 40%

Usaidizi wa Matengenezo

• Task: Lifting mill rolls and bearing housings (up to 20 tons each)
• Utendaji:
• Udhibiti wa kasi ya masafa ya kubadilika (0.5–10 m/min)
• Mfumo wa kupambana na hydraulic
• Usalama wa matengenezo umeboreshwa na 75%

Ubunifu Muhimu wa Kiufundi

Mfumo wa Hifadhi Mbili wa Kielektroniki-Mechanical

• Redundant electromagnetic power with UPS ensures 15 minutes of magnetic holding during power loss
• Optional mechanical grab mode for mixed material handling

Ufuatiliaji wa Akili na Onyo la Mapema

• Ufuatiliaji wa mkazo uliojumuishwa, halijoto, na kuzuia mgongano
• Real-time transmission of key parameters to the central dispatch system

Usanifu Ulioimarishwa wa Usalama wa Kimuundo

• Main girders welded from Q345D high-strength steel, with local reinforcement using Q460E
• Equipped with wind-proof anchoring system (resistance up to Level 12 winds)

User Feedback & Practical Benefits

Efficiency Improvement

• Billet turnover in the rolling workshop increased from 1,800 t/day → 2,500 t/day, accelerating production rhythm by 35%.

Cost Optimization

• Electromagnetic lifting consumes 40% less energy compared with mechanical grabs → Annual electricity savings approx. 800,000 RMB

Safety Performance

• Zero safety incidents in five years of operation
• Certified to ISO 45001 occupational health & safety standard

Cindy

WhatsApp: +86-19137386654

Barua pepe: cindywang@hndfcrane.com

Mimi ni Cindy, nina uzoefu wa miaka 10 katika tasnia ya kreni na nimekusanya maarifa mengi ya kitaaluma. Nimechagua korongo za kuridhisha kwa wateja 500+. Ikiwa una mahitaji yoyote au maswali kuhusu cranes, tafadhali jisikie huru kuwasiliana nami, nitatumia ujuzi wangu na uzoefu wa vitendo kukusaidia kutatua tatizo!