Explore our industrial-grade structural fixing magnet systems designed to streamline global precast concrete production and mechanical assemblies.
Designed for precast step and side formwork fixings, offering high durability and heavy-load capacity.
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A heavy-duty magnetic box designed to secure concrete edge molds on vibrating steel casting beds.
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Engineered with a high-resistance carbon steel shell to withstand corrosive concrete plant settings.
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High-efficiency structural concrete component magnet designed for rapid manual or robotic operations.
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Compact footprint, perfect for thin concrete panels, lightweight structures, and automated lines.
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Ultra-powerful shuttering magnet system targeted at thick structural columns and structural load walls.
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Maximum-strength carbon steel fixing block ensuring zero shifting during high-amplitude concrete vibration.
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Optimized force-to-weight ratio to ease workforce fatigue during high-volume formwork setups.
Get Quote & InfoUnderstanding the balance between micro-thickness structural limitations and maximum magnetic force delivery.
As microelectronics, aerospace sensors, and high-efficiency electric motors shrink, the demand for ultra-thin, high-energy permanent magnets has expanded. Design engineers require magnetic profiles below 1.0mm that still deliver robust pull forces.
For operations under 80°C, Neodymium (NdFeB) grades like N52 deliver optimal magnetic flux. However, for extreme heat profiles up to 350°C, Samarium Cobalt (SmCo) becomes essential to avoid thermal demagnetization in thin applications.
Thin magnets are fragile. Advanced coating methods—such as Ni-Cu-Ni, Epoxy, and chemical vapor deposited Parylene—are vital to protect thin Neodymium profiles from oxygen degradation and impact fragmentation.
Why custom manufacturing thin magnets requires advanced metallurgy and why Chinese supply chains remain unmatched.
When a magnet's thickness decreases relative to its surface area, the demagnetizing field inside the magnet increases. This is known as the L/D (Length to Diameter) ratio limitation. Designing custom thin magnets requires deep knowledge of coercivity (Hcj). Simply using a standard magnet grade in a thin form factor will often lead to instant self-demagnetization under external fields or high temperatures. A specialized manufacturer selects grades with elevated internal coercivity (UH, EH, or AH series) to guarantee stable magnetic performance over the long term.
Sintered NdFeB is exceptionally hard and brittle. Processing it into thickness sheets of 0.5mm or less requires diamond-wheel slicing machines or multi-wire EDM (Electrical Discharge Machining) systems. Standard mechanical cutting causes edge micro-cracking, which severely degrades the magnetic field path and mechanical strength. Chinese manufacturing hubs, specifically in Zhejiang and Ningbo, have spent decades optimizing these mechanical processes to minimize micro-cracking, achieving yield rates that far surpass those of Western counterparts.
China accounts for over 85% of the world's rare earth permanent magnet production capacity. This concentration yields massive cost and technological benefits:
| Grade Group | Max Temp | Standard Thickness | Corrosion Resistance |
|---|---|---|---|
| NdFeB (N52) | 80°C | ≥ 0.5mm | Medium (Requires coating) |
| NdFeB (38EH) | 200°C | ≥ 0.8mm | High (Epoxy/Parylene) |
| SmCo (Sm2Co17) | 350°C | ≥ 0.4mm | Excellent (Uncoated ok) |
| Ferrite (Y30-Y35) | 250°C | ≥ 2.0mm | Impervious to oxidation |
QCM Magnet specializes in offering complete magnetic fixing solutions for the production of precast concrete components. Our primary products include Shuttering Magnets and their corresponding accessories, Formwork Magnets, Magnetic Chamfering Strips, and various pre-embedded insert magnets.
Utilizing magnetic fixing in precast concrete component production prevents damage to the platform, enhances work efficiency, reduces labor costs, and promotes economic efficiency as the magnetic fixing devices are highly reusable.
Using our expertise in magnetic components and our extensive experience in supporting the production of precast components, we have developed numerous new and practical magnetic fixing products. Our products come with complete specifications, excellent quality, ease of operation, and long service life. Additionally, we can promptly customize a variety of magnetic fixing parts to meet the diverse needs of our customers.
Qianci Magnet is a strong magnetic component factory, specializing in the production and research and development of formwork magnets, magnetic formwork, insert magnets, magnetic concrete chamferers and other products.
Our business mainly involves precast concrete magnetic system solutions, helping you to better carry out concrete element production.
Become a global leading manufacturer and excellent service provider of magnetic solutions for the precast concrete industry.
Every magnet and magnetic fixing assembly leaves our plant under strict ISO standards, providing global enterprises with absolute peace of mind.
Avoid expensive delays and design mistakes by specifying exactly what your production line demands.
B2B procurement of magnets differs dramatically from off-the-shelf purchasing. Because thin magnets are highly susceptible to chipping and thermal shifts, your RFP (Request for Proposal) should include the following core parameters:
Customized permanent magnet rings, precast concrete fixing inserts, and heavy industrial magnetic system solutions.
Professional grade multi-layer magnetic shuttering system for global precast concrete manufacturers.
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Large ring ferrite speaker magnets designed to optimize performance in high-output acoustic setups.
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Custom embedded thread magnet designed to anchor construction lifting sockets to steel tables.
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Specialized magnetic locators for grout connection tubes, assuring alignment in modular concrete casting.
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High-strength threaded socket systems designed for heavy precast concrete element extraction.
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Complete wall edge shuttering structural components featuring built-in high-force NdFeB circuits.
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Optimized magnetic core inserts providing robust, repeatable holding forces without plate damage.
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Engineered magnetic fixing block designed to hold junction and electrical boxes firmly during pour cycles.
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