MANUFACTURER: Magnetic Products Inc. (MPI)
MPI’s Magnetic Sheet Separators and Fanner Magnets are engineered to improve productivity, safety, and material flow wherever stacked steel sheets must be separated quickly and consistently. These systems eliminate double‑sheeting and ensure smooth, predictable feeding in stamping, forming, shearing, and automated handling operations.
Magnetic sheet separators—also known as sheet fanners—use induced magnetic fields to create repelling forces between stacked steel sheets. As the magnetic field energizes the stack, each sheet develops a like‑pole charge, causing the sheets to fan apart. This allows operators, robots, or automated equipment to pick one sheet at a time with no sticking, slipping, or doubling.
MPI manufactures two primary sheet‑separation product families: Standard Magnetic Sheet Separators and Pneumatic Automated Fanner Magnets
MPI’s SS Series Sheet Separators are built for reliability in both manual and automated metal‑forming operations. These permanent‑magnet units provide consistent sheet fanning for thin‑gauge ferrous materials, including oily, sticky, or pre‑finished stock commonly used in stamping and fabrication.
The SS Series induces like magnetic poles into the sheet stack. As each sheet becomes magnetized, the repelling forces push the sheets apart, creating a controlled “fan” effect that ensures reliable single‑sheet separation.
MPI’s Pneumatic Automated Fanner Magnets are also sheet separators—engineered specifically for high‑volume, fully automated environments. These units combine powerful rare‑earth magnetics with pneumatic on/off control, allowing precise sheet handling without residual magnetism when the system is disengaged.
Specification | SS Series – Standard Sheet Separators | Pneumatic Automated Fanner Magnets |
Magnet Type | Permanent ceramic (optional rare‑earth upgrade) | High‑strength rare‑earth magnets |
Magnet Control | Always‑on permanent magnet | Pneumatic on/off control |
Housing Material | 100% stainless steel, all‑welded | Lightweight, compact stainless steel/aluminum construction |
Demagnetization Resistance | Less than 0.5% loss over 100 years under normal use | Not applicable (pneumatic shutoff eliminates residual field) |
Power Requirements | None | Compressed air supply |
Typical Applications | Manual or automated sheet de‑stacking, stamping, forming, shearing | High‑volume automated lines, robotic end‑of‑arm tooling |
Sheet Material Compatibility | Ferrous sheets, including oily, sticky, or pre‑finished stock | Ferrous sheets, especially oily or polished materials |
Mounting Options | Standard brackets, custom brackets, wear strips | Designed for integration into robotic tooling or automated systems |
Operating Environment | Harsh industrial environments | Automated production environments |
Maintenance | Maintenance‑free | Minimal; pneumatic system inspection |
Feature | SS Series Sheet Separators | Pneumatic Automated Fanner Magnets |
Primary Function | Permanent magnetic sheet separation | Automated magnetic sheet separation with on/off control |
Best For | Manual or semi‑automated operations | Fully automated, high‑volume production |
Magnetic Strength | Strong (ceramic or rare‑earth) | Very strong (rare‑earth) |
On/Off Capability | No — always active | Yes — pneumatic control |
Residual Magnetism | Always present | Eliminated when turned off |
Integration Level | Floor‑mounted or machine‑mounted | Ideal for robotic end‑of‑arm tooling |
Safety Advantages | Reduces manual handling | Eliminates residual magnetism; safer for operators |
Cost Level | Lower initial cost | Higher initial cost; optimized for automation |
Maintenance Needs | None | Low (pneumatic system checks) |
Ideal Sheet Types | Thin‑gauge, oily, sticky, or pre‑finished ferrous sheets | Oily, polished, or difficult‑to‑separate ferrous sheets |
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