Magnetic Assemblies / Magnetic Holders
Magnetic Holders: Reusable Mounting With a Defined Load Path
Magnetic holders integrate magnets, steel poles and a mounting interface into a reusable industrial component. Good design separates magnetic attachment from the mechanical load path and makes installation, release and inspection predictable.
Geometry and Dimension Definition
Use functional datums and define the magnetization reference on the drawing. The table below provides the minimum geometry information for a practical manufacturing review.
| Parameter | How to define it | Why it matters |
|---|---|---|
| Contact footprint | Working face dimensions and pole pattern | Defines magnetic contact and available grip |
| Mounting interface | Thread, stud, handle, plate or custom bracket | Transfers the payload into the holder |
| Overall height | Body plus mounting feature | Controls leverage and clearance |
| Release allowance | Lever, handle or peel geometry | Makes removal safe and repeatable |
Design Considerations
Load direction
Direct pull, shear and peel have very different capacities. A stop or key should carry predictable side loads.
Target surface
Steel thickness, curvature, coating and cleanliness determine usable holding force.
Human factors
Grip, release force and pinch protection matter in frequently repositioned equipment.
Manufacturing and Assembly Notes
- A tall load creates leverage that can peel the holder from steel.
- Painted or thin sheet reduces force and may flex.
- Metal chips on the face create an air gap and scratch the target.
- Uncontrolled snap-on can injure operators or damage sensors.
Typical Applications
Inspection equipment
Temporary mounting of sensors and cameras.
Welding and fabrication
Reusable positioning and support.
Machine accessories
Lights, guards and indicators without drilling.
Field service
Portable attachment points on steel structures.
Engineering Questions
Why is shear capacity lower than pull force?
Shear relies mainly on friction unless the design includes a mechanical stop.
How can removal be made easier?
Use a lever, handle or controlled peel geometry rather than pulling straight away.
Can holders be used on curved steel?
Only with a matching pole face or verified contact; line contact can reduce force substantially.
What should be inspected before reuse?
Cleanliness, coating damage, loose hardware, cracks and deformation of the working face.
For a focused design review, share your drawing, operating temperature, air gap, target magnetic performance and annual volume through our enquiry page. You can also return to Magnetic Assemblies for material-level guidance.