PML Permanent Magnetic Lifter
The PML Permanent Magnetic Lifter (widely recognized in global industrial supply chains as the Magnetic Lifting Magnet, and specified by engineers across Latin America as Elevador magnético) is a heavy-duty, electricity-free material handling solution engineered for elite rigging, metalworking, and warehouse logistical workflows. Utilizing ultra-high-grade Neodymium rare-earth magnets, this manual steel lifter requires zero external electrical power, mitigating operational failure risks during sudden factory blackouts.
Description
Product Overview
The PML Permanent Magnetic Lifter (widely recognized in global industrial supply chains as the Magnetic Lifting Magnet, and specified by engineers across Latin America as Elevador magnético) is a heavy-duty, electricity-free material handling solution engineered for elite rigging, metalworking, and warehouse logistical workflows. Utilizing ultra-high-grade Neodymium rare-earth magnets, this manual steel lifter requires zero external electrical power, mitigating operational failure risks during sudden factory blackouts.
Designed specifically for balancing, moving, and positioning heavy ferromagnetic materials, the PML magnetic steel lifter provides an incredibly safe, reliable hold on both flat sheet metals and cylindrical steel pipes. Its manual hand-lever activation mechanism features a built-in safety lock, ensuring crane operators, steel fabrication workshops, and shipyard riggers achieve maximal workplace efficiency without risk of accidental load deactivation.
Technical Design & Safety Engineering of PML Lifters
The structural reliability of this compact heavy duty manual magnetic crane configuration is backed by rigid heavy-industry engineering metrics:
Zero-Power High Efficiency: Driven exclusively by an internal permanent magnetic block assembly, this hoisting lifter operates without electric cables, rectifiers, or backup battery infrastructure.
V-Slot Base Configuration: The heavy carbon-steel underside features a precision-machined longitudinal V-slot design, enabling the operator to secure a high-friction grip on either perfectly flat steel plates or curved steel columns and pipe matrices.
Massive Peak Breakaway Force Thresholds: Engineered to strictly prevent material drops under sudden mechanical impulses, each unit is built to manage exceptional over-capacity loads before the primary magnetic field lines separate from the cargo surface.
Ergonomic Safety Pre-Lock Handle: The rugged manual control lever is coupled with a spring-loaded mechanical lock pin, preventing the magnet from shifting from the “ON” to the “OFF” position during suspended transit.
Technical Specifications & Parameter Matrix
Certified performance metrics and geometric data profiles for the PML Permanent Magnetic Lifter lineage, compiled directly from factory production testing logs:
| Model Type | Rated Lifting Capacity (kg) | Dimension (L×W×H – mm) | Max Breakaway Strength (kgf) | Net Weight (kg) | Gross Weight (kg) |
| SY-100 | 100 kg | 25 * 16 * 16 | 300 kgf | 3 kg | 4 kg |
| SY-400 | 400 kg | 32 * 20 * 17 | 1200 kgf | 10 kg | 11 kg |
| SY-600 | 600 kg | 37 * 23 *21 | 1800 kgf | 20 kg | 22 kg |
| SY-1000 | 1000 kg | 43 * 28 *24 | 3000 kgf | 37 kg | 40 kg |
| SY-2000 | 2000 kg | 52 * 30 *31 | 5000 kgf | 68 kg | 74 kg |
| SY-3000 | 3000 kg | 60 * 30 *31 | 7500 kgf | 87 kg | 93 kg |
| SY-4000 | 4000 kg | 68 * 30 * 41 | 10000 kgf | 113 kg | 121 kg |
| SY-5000 | 5000 kg | 73 *40 *48 | 12500 kgf | 198 kg | 213 kg |
B2B Engineering Note: The
max breakaway strength lifting magnetlimits shown above represent testing parameters on premium low-carbon structural steel plates at optimum thickness. Actual capacity scaling must derate dynamically if handling alloy steels, thin sheets, or rough casting surfaces.
Critical Load Safety Derating Matrix
Rigging supervisors deploying the industrial hoist magnets 100kg-5000kg fleet must strictly account for real-world material thickness and surface gaps:
The Breakaway Multiplier Factor: As verified in our specification testing, our manufacturing engineering maintains a highly conservative safety multiplier margin. For example, the SY-1000 model is officially rated for a safe continuous working load limit of 1000 kg, yet its absolute
max breakaway strength lifting magnetthreshold is factory-tested to hold up to 3000 kgf (a 3:1 performance safety buffer) before detachment occurs.Mass and Handling Deadweight Scale: For manual overhead crane logistics, notice that while an SY-100 compact unit weighs a mere 3 kg net for quick field-rigging tasks, our massive infrastructure-grade SY-5000 permanent lifting asset scales to a net weight of 198 kg, requiring dedicated auxiliary hoist lines simply to position the device onto heavy steel billets.
Industrial Applications (Campos de Aplicación)
Steel Distribution & Sheet Metal Warehouses: This versatile Magnetic Lifting Magnet is indispensable for feeding heavy industrial shearing, plasma-cutting, and CNC laser machines. Operators drop small units like the
SY-400orSY-600via overhead hoist paths to pick individual cold-rolled metal blanks quickly from dense stacks without relying on slow manual clamps.Machinery Manufacturing & Die Workshops: Machine tooling yards utilize the intermediate
SY-1000andSY-2000weight brackets to position high-density injection mold blocks and heavy cast engine housings onto milling beds. The smooth magnetic face eliminates surface scarring, preserving precise outer face finishes.Shipyard Rigging & Port Logistics (Sector Naval y Portuario): Large infrastructure sectors across LATAM coastal transport nodes require massive structural lifts. Rigger blocks utilize heavy-duty SY-4000 and SY-5000 magnetic lifting modules to carry pre-fabricated hull plates, steel beams, and heavy bulkheads from dockside staging pads straight into structural transport vessels.
Steel Foundry & Structural Pipe Laying: The integrated bottom V-slot profile lets construction cranes lift long structural steel tubes, industrial rods, and cylindrical casting billets safely. This
heavy duty manual magnetic craneconfiguration ensures round loads stay perfectly centered during transport, preventing dangerous shifts.
Certified performance metrics and geometric data profiles for the PML Permanent Magnetic Lifter lineage, compiled directly from factory production testing logs:
| Model Type | Rated Lifting Capacity (kg) | Dimension (L×W×H – mm) | Max Breakaway Strength (kgf) | Net Weight (kg) | Gross Weight (kg) |
| SY-100 | 100 kg | 25 * 16 * 16 | 300 kgf | 3 kg | 4 kg |
| SY-400 | 400 kg | 32 * 20 * 17 | 1200 kgf | 10 kg | 11 kg |
| SY-600 | 600 kg | 37 * 23 *21 | 1800 kgf | 20 kg | 22 kg |
| SY-1000 | 1000 kg | 43 * 28 *24 | 3000 kgf | 37 kg | 40 kg |
| SY-2000 | 2000 kg | 52 * 30 *31 | 5000 kgf | 68 kg | 74 kg |
| SY-3000 | 3000 kg | 60 * 30 *31 | 7500 kgf | 87 kg | 93 kg |
| SY-4000 | 4000 kg | 68 * 30 * 41 | 10000 kgf | 113 kg | 121 kg |
| SY-5000 | 5000 kg | 73 *40 *48 | 12500 kgf | 198 kg | 213 kg |
B2B Engineering Note: The
max breakaway strength lifting magnetlimits shown above represent testing parameters on premium low-carbon structural steel plates at optimum thickness. Actual capacity scaling must derate dynamically if handling alloy steels, thin sheets, or rough casting surfaces.






