Explore our high-performance NdFeB magnet systems, custom recess formers, and magnetic chamfer options engineered to reduce labor costs and optimize concrete precasting operations.
In modern precast concrete manufacturing, the quality of edge detailing directly influences both structural aesthetics and structural integrity. A chamfer edge (specifically generated using magnetic steel or rubber chamfer strips) is not merely a design preference; it is an engineering necessity. Chamfered edges act as structural protection by eliminating sharp, vulnerable 90-degree corners that are highly prone to spalling, chipping, and mechanical damage during demolding, transport, and structural installation.
From a mechanical standpoint, our magnetic chamfers utilize the physics of closed-circuit magnetic flux. The integrated rare-earth Neodymium (NdFeB) magnets are situated inside a structural steel casing or embedded within high-density synthetic rubber. By positioning the magnets in a strategic halbach-like array or direct-attraction configuration, we maximize the vertical holding force against the casting steel bed. This prevents concrete slurry or micro-particles from seeping under the chamfer strip, ensuring a pristine, clean edge finish with minimal manual cleaning.
"Implementing high-grade magnetic chamfer strips eliminates the need for welding or drilling on casting tables, extending the functional lifespan of modern precasting platforms by up to 300%."
At the heart of QCM Magnet's engineering prowess is the precise chemistry of our permanent magnets. We specialize in custom-grade N52 Neodymium Iron Boron (NdFeB) materials, which deliver the highest energy product available in the industry. For heavy-duty shuttering systems requiring up to 5500 lbs of holding force, N52 magnets offer an unmatched power-to-weight ratio.
However, the concrete manufacturing environment is notoriously harsh, characterized by extreme humidity, alkaline chemistry from concrete slurry, and elevated curing temperatures. Standard NdFeB magnets undergo rapid thermal degradation at temperatures exceeding 80°C. To address this, QCM engineers specialized high-coercivity grades (such as EH or AH series) that sustain performance up to 120°C–150°C. For industrial environments featuring steam-curing processes or high-temperature autoclaves, we supply custom Samarium Cobalt (SmCo) magnets. While SmCo features slightly lower magnetic attraction than NdFeB, its thermal stability is superior, maintaining consistent holding force up to 300°C without demagnetization.
To prevent corrosion, our magnet assemblies undergo a multi-layered coating process, featuring options such as:
As a major global hub for rare-earth extraction and refinement, China provides a massive raw material advantage for high-performance magnet production. Qianci Magnet (QCM Magnet) leverages this localized supply chain, operating a modern Factory 4.0 facility that combines advanced metallurgy, precision CNC machining, and automated assembly line configurations.
Our factory utilizes automated sintering furnaces and computer-controlled slicing machines to guarantee dimensional tolerances within ±0.05 mm. By controlling the entire manufacturing pipeline from raw rare-earth oxides to finished magnetic assemblies, we insulate global buyers from price volatility and guarantee consistent delivery schedules. Every batch of precast concrete magnets, shuttering systems, and magnetic chamfer strips undergoes strict quality inspection, including demagnetization testing, salt spray corrosion testing, and shear-tension measurements on calibrated steel plates.
B2B procurement managers require more than off-the-shelf catalog parts; they demand bespoke engineering integrations. QCM Magnet provides comprehensive OEM and ODM support. Whether you need custom cross-sectional profiles for magnetic steel chamfers, specific mounting threads for insert magnets, or calibrated pulling forces tailored to non-standard formwork heights, our engineering team can generate 3D STEP files and prototype designs within 48 hours.
Regarding compliance, all our production systems adhere to ISO 9001:2015 quality management guidelines and CE / RoHS standards. We understand the regulatory landscapes across North America (AISC/ACI codes) and Europe (EN standards), ensuring that our components seamlessly integrate into precast operations without jeopardizing structural certifications or worker safety.
Urbanization, green building initiatives, and modular construction methods are driving the rapid expansion of the precast concrete market. Our magnetic systems are deployed in major global infrastructure projects, including:
By substituting traditional weld-and-screw formwork fastening with magnetic clamping, precast yards achieve an average reduction of 40% in panel assembly and disassembly times.
The precast industry is transitioning toward digital integration and robotic automation. QCM Magnet is at the forefront of this shift, actively designing robot-compatible magnetic systems featuring integrated mechanical release handles optimized for automated robotic placement heads.
Additionally, our R&D roadmap focuses on sustainable manufacturing. By maximizing the use of recycled steel housings and developing highly durable polyurethane magnetic composites, we are helping global concrete producers meet their scope 3 carbon reduction goals while ensuring that our systems maintain physical integrity through thousands of casting cycles.
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 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 Profile DetailsQianci 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.
QCM Magnet maintains rigorous production standards. Below are the verified certifications and credentials demonstrating our compliance with international safety and performance criteria.
These high-power vertical-press systems are optimized for modern casting tables, ensuring precise hold-down operations without slipping or lateral displacement.
Engineered with quick-release systems and robust steel casings, our latest models deliver optimal performance for complex, automated precast factories.
Technical guidance for B2B procurement managers and structural design engineers on magnetic fixing systems.
Stay up to date with QCM Magnet's international exhibition presence and structural precast engineering articles.
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...
Complete your precast setup with premium NdFeB block magnets, high-capacity lifting clutches, and custom magnetic chamfer profiles for clean release edges.
