Product Overview
The Rubber-coated Pot Magnet is a rugged, industrial-grade mounting magnet combining a powerful NdFeB core, a protective steel pot, and a resilient rubber outer layer. This layered design delivers strong magnetic adhesion while safeguarding contact surfaces - a reliable solution for manufacturing lines, robotic fixtures, or heavy-duty equipment mounts where surface protection and vibration damping matter.
Key Specifications & Material Structure
- Core Material: Sintered Nd-Fe-B (neodymium-iron-boron) - the highest-performance permanent magnet material in common use.
- Housing: Steel "pot" or cup - concentrates magnetic flux onto the active face, boosting holding force compared with bare magnets of the same size.
- Surface Finish: Rubber coating over steel pot - protects workpiece surfaces from scratches or damage, reduces vibration or slippage under shear loads.
- Threaded Mount: Internal or external threads (e.g. M4 / M6 / M8), facilitating easy mechanical mounting and integration into fixtures, jigs or equipment assemblies.
- Size Range & Holding Force: Common diameters 20–50 mm, heights 10–25 mm. Holding force from ~10 kg up to ~80 kg depending on size and contact conditions.
- Operating Conditions: Standard working temperature up to ~80 °C; for special requirements higher-temp versions may be available on request.
(Custom sizes, thread types, coatings, and holding-force grades are available through our custom magnet & bulk order service.)
Features & Ideal Use Cases
- Strong adhesion with surface protection: The steel shell concentrates magnetic flux to maximize hold, while the rubber coating ensures that mounted panels or equipment won't be scratched or marred - useful when working with finished, painted or delicate metal surfaces.
- Vibration dampening & slip resistance: The rubber interface increases friction, so under shear or dynamic loads (for example on robotic arms or moving fixtures) hold remains secure - reducing movement and avoiding damage.
- Flexible mounting: Thanks to threaded necks, these magnets can be bolted directly into machinery, housings, jigs, or tooling - convenient for assembly lines, machine shops, or modular fixture systems.
- Wide industrial applications: From robotic tooling and sensor mounts to temporary fixtures, equipment mounting, metalworking jigs, assembly-line fixturing, even temporary signage or panel attachments - all are possible without drilling or welding.
Why This Pot Magnet Matters for Industrial Buyers & OEMs
- Efficient fixture solution: Compared with using multiple smaller magnets or mechanical clamps, a single pot magnet offers comparable holding force in a simpler, more compact form - reducing parts count and simplifying assembly.
- Durability & longevity: The combined steel housing and rubber coating protect the brittle NdFeB core from chipping, corrosion or mechanical impact - extending service life and reducing maintenance.
- Customizable & scalable supply: We support bulk orders and custom magnet configurations - if you need larger diameters, stronger holding force, different threads or alternative coatings, we can produce per your design specs.
- Easy integration into existing systems: With threaded mounts and compact form factor, these magnets drop easily into fixtures, jigs or modular assemblies - minimizing modification to your equipment design.
Packaging, Quality & Supply Support
Each pot magnet is packed with non-magnetic separators to prevent magnets attracting each other during transport. Bulk shipments are palletized in magnet-safe crates, with protective padding and clear batch labeling. For OEM clients, we provide quality documentation: pull-force test reports, coating inspection, batch traceability and supply-chain support, to facilitate streamlined procurement and quality control.
FAQ
Q1: Can you manufacture larger pot magnets or higher holding force versions?
Yes - through our custom magnet service, we can adjust diameter, height, thread type and magnet grade to meet application needs.
Q2: Will the rubber coating wear off or degrade over time?
Under normal industrial conditions (indoor or moderate environments), the rubber coating is durable and resists corrosion. For harsh conditions we can offer enhanced coatings (e.g. epoxy, zinc plating) per request.
Q3: Can this magnet hold on painted or coated metal surfaces without scratching?
That's precisely one of the design features - the rubber coating prevents surface scratching or marking, and the steel-pot structure ensures sufficient magnetic adhesion even through thin paint/coatings.
Q4: What is the minimum order quantity (MOQ) for bulk orders or custom versions?
We support small sample orders for testing, and scale up to large bulk orders for production. MOQ depends on customization level; we can discuss based on your project.
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