Explore our specialized range of high-strength neodymium magnets and structural concrete fixtures engineered for peak performance and extreme durability.
The global construction industry is undergoing an unprecedented paradigm shift towards industrial prefabrication, modular building, and rapid infrastructure development. Modern projects demand minimal site labor, reduced material waste, and exceptional tolerances. Inside precast concrete factories, structural magnetic fixing solutions serve as the unsung catalysts of efficiency. By deploying high-holding-force NdFeB shuttering systems, manufacturers eliminate the destructive practice of welding or bolting forms directly to costly steel tables.
However, the commercial application of industrial magnets extends far beyond precast formwork. Modern automotive propulsion (EV motors), wind energy generators, robotic automation, and aerospace manufacturing heavily depend on optimized magnetic circuitry. Selecting the ideal magnetic material grade (ranging from high-coercivity N54/N55 Neodymium to ultra-stable arc segment ferrites) requires profound engineering knowledge regarding magnetic circuit configurations, thermal tolerances, and structural dynamics.
Understanding when to deploy rare-earth Neodymium vs. classic Ferrite compounds is crucial for balance between unit economy and operational parameters:
Gain insights into the mathematical modeling, core materials, and housing design patterns that enable extreme load-bearing magnetic components to function safely in harsh environments.
When discussing the "strongest custom magnet," the conversation must shift from raw magnetic material properties (such as Remanence $B_r$ and Maximum Energy Product $(BH)_{max}$) to systemic structural output. A bare Neodymium block, while possessing high intrinsic field strength, suffers from dispersed magnetic field lines. To transform a simple block into a powerful industrial shuttering magnet, we employ a closed-circuit magnetic shunt system. By enclosing the magnets in precise carbon steel casings with strategic non-magnetic gaps, the flux vector lines are focused directly at the contact surface, magnifying the vertical shear and pull forces exponentially.
Furthermore, environmental factors like temperature coefficients ($\alpha$ for $B_r$ and $\beta$ for $H_{cj}$) dictate performance limits. Industrial precast components often undergo heat curing. Utilizing standard NdFeB magnets under such conditions leads to irreversible thermal demagnetization. QCM Magnet addresses this by offering bespoke formulations of high-coercivity NdFeB alloys (UH, EH, and AH grades), guaranteeing flawless operation at temperatures exceeding 120°C without substantial field strength degradation.
| Magnet Grade Category | Remanence (Br) - Tesla | Coercivity (Hcb) - kA/m | Max Operating Temperature | Primary Industrial Application |
|---|---|---|---|---|
| Neodymium N55 (UH Grade) | 1.45 - 1.48 | ≥ 1074 | Up to 180°C | High-holding shuttering boxes, space-critical structural anchor locks |
| Neodymium N50 (EH Grade) | 1.40 - 1.43 | ≥ 1114 | Up to 200°C | Precast concrete insert magnets, motor industrial segment arrays |
| Anisotropic Ferrite Y35 | 0.40 - 0.44 | ≥ 220 | Up to 250°C | Heavy-duty magnetic scrap lifters, non-critical casing stabilizers |
| SmCo 30 (Samarium Cobalt) | 1.08 - 1.15 | ≥ 820 | Up to 350°C | Aerospace sensor couplings, specialized vulcanization molding fixtures |
These robust formwork solutions feature specialized mechanical components designed to facilitate smooth assembly, activation, and deactivation on steel precast beds.
Engineered for high structural reliability, our latest iteration of magnetic boxes and shuttering elements guarantees streamlined workflows and robust resistance to structural deflections.
The shuttering magnet for concrete formwork is a proven safe and efficient tool in precast concrete production. It features a 1600kg series with a large magnetic force, reusability, and durability.
The advantages of 4600 lbs(2100kg) pull force Precast Concrete Shuttering Magnet for Concrete Formwork in product manufacturing are obvious, it can increase productivity and quality improvement.
This precast magnets with 5300 lbs(2400kg) magnetic force is a popular product in Europe now. Its powerful magnetism can handle a variety of usage scenarios, such as house construction walls.
The 1300kg vertical tensile force neodymium precast concrete magnet is commonly used to hold the side moldings of precast concrete elements (e.g. flat floor slabs, walls) in place.
Industrial components must survive extreme physical testing and satisfy national building codes. Learn how QCM Magnet supports international projects with compliant engineering designs.
Whether molding structural double walls in Germany, processing seismic-grade shear walls in Japan, or casting modular volumetric panels in Singapore, our magnets dynamically conform to local steel bed alloys, eliminating slide displacements.
Every magnetic assembly is subjected to static force testing utilizing computer-controlled tensile systems. Our manufacturing lines adhere strictly to international standards, providing complete traceability documents and structural calculation certificates.
Utilizing advanced 3D Finite Element Method (FEM) software, our engineering team optimizes magnetic circuits before custom tooling. This mitigates magnetic leakage, lowers material weight, and guarantees structural durability.
QCM Magnet (Qianci 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 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. We are willing to share our expertise with you to help you solve your specific application needs for magnetic components.
Read More Corporate Insights
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 and optimize efficiency.
Become a global leading manufacturer and excellent service provider of magnetic solutions for the precast concrete and structural industrial magnetics industry.
Our commitment to precision engineering and manufacturing compliance is proven by these international standard certificates.















Industrial manufacturing is entering the age of automation. QCM Magnet is leading the research in next-generation structural magnetic configurations.
To withstand chemical attack from concrete release agents and moisture, we are developing ceramic-infused epoxy coatings. These will double the operational lifetime of NdFeB assemblies in damp environments.
Embedding micro-sensors directly inside the magnet steel frame to monitor real-time holding force values and notify operators if displacement occurs during high-frequency vibration cycles.
Pioneering magnetic circuits optimized for robotic gripping hands. Automating formwork handling eliminates manual hammering, dramatically reducing plant labor requirements.
Stay up to date with QCM Magnet's industry activities, exhibitions, and technical innovations globally.
Precast concrete systems: Shuttering molds shape edges/openings on flat surfaces using magnetic fixation, while mold...
QCM, a global leader in magnetic components, will participate in UK Construction Week 2025. From May 7th to 9th, at S...
Expert engineering answers to standard customer queries regarding structural performance, customization protocols, and site safety.
All holding forces (e.g., 2100kg/4600lbs) are measured via structural test machines pulling vertically against a ground carbon-steel plate (thickness ≥ 40mm) under room temperature. Real-world force values may degrade slightly depending on table roughing, concrete residues, and steel plate alloys.
No, magnetic fields require ferromagnetic materials (such as structural carbon steels) to complete their circuit. Stainless steels (like 304 or 316) and aluminum are non-magnetic. If utilizing non-magnetic tables, specialized adapters or mechanical clamps must be configured to bridge the system.
We formulate our magnetic cores utilizing specialized high-temperature neodymium grades (UH or EH grades). While standard N35 magnets experience structural field decay at 80°C, our custom systems withstand continuous exposure to temperatures up to 120°C–150°C without permanent magnetization loss.
Shuttering magnets hold structural side forms securely on steel beds during casting. In contrast, insert magnets (such as our M10/M12 socket anchors) are utilized to fix internal structural pipes, conduits, or threaded connection sleeves inside the concrete body during preparation, preventing displacement when concrete is poured.
To maintain peak structural performance: 1) Keep the bottom face of the magnet clean of concrete slurry. 2) Clean regularly using steel wire brushes. 3) Apply release agents or anti-rust lubricants to prevent oxidation. 4) Avoid using heavy hammers directly on the activation push-buttons.
Yes, our engineering office provides tailored configurations using 3D modeling and custom prototyping. We can adjust the overall physical profile, thread connection size, holding force levels, and angle layout of our magnetic chamfer strips to match your proprietary precast molding frameworks.
Complete your modular production system with our high-grade lifting clutches, threaded sockets, and carbon-steel shuttering magnets.