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MKBK Hoist Crane Manual Permanent Magnet Lifter Magnetic: Power‑Free Heavy‑Duty Metal Lifting

Click:7 Time:2026-11-03 16:37:53


MKBK Hoist Crane Manual Permanent Magnet Lifter Magnetic is a non‑electric manual magnetic lifting tool matched with overhead cranes. Adopting high‑performance NdFeB permanent magnet core, it realizes adsorption and release only by manual lever operation, eliminating complex cables and power supply systems. This article introduces core advantages, key technical parameters, applicable industries and safety operation tips of MKBK Hoist manual permanent magnetic lifter, helping metal‑processing enterprises select suitable crane‑mount magnetic lifting equipment.

Permanent Magnet Lifter


Core Technical Parameters Table

Model Rated Flat Plate Lifting(kg) Rated Cylindrical Lifting(kg) Min Steel‑plate Thickness(mm) Safety Factor Net Weight(kg)
PML‑100 100 50 5 3.5 3.2
PML‑500 500 250 10 3.5 14
PML‑1000 1000 500 15 3.5 40
PML‑3000 3000 1500 25 3.0 110
PML‑6000 6000 3000 35 3.0 260

Why Choose MKBK Hoist Crane Manual Permanent Magnet Lifter Magnetic

Traditional lifting slings and clamps easily scratch steel‑workpiece surfaces and require complex auxiliary fixing. MKBK Hoist crane‑matched manual permanent magnet lifter magnetic solves those pain points completely. Since no electricity is required, it can work stably in humid, dusty workshops without risk of power‑off demagnetization. Just toggle the manual lever within seconds to switch magnet‑on / magnet‑off state. High‑precision computer‑simulated magnetic‑circuit design maximizes magnetic‑penetration depth and keeps residual magnetism at an extremely low level after releasing parts.

Safety is the top priority for crane‑assisted lifting operations. MKBK Hoist series adds dual‑lock mechanism for operating lever to prevent accidental switch‑off during hoisting. All main housings adopt thick‑welded steel structure via CNC processing. Safety‑factor strictly complies with JB/T industrial standards: models under 2000kg achieve safety‑factor 3.5; heavy‑duty models above 2000kg maintain safety‑factor 3, guaranteeing breakaway force far higher than nominal rated‑lifting load.

This manual permanent‑magnet lifter magnetic fits multiple working‑conditions: metal‑fabrication workshops, steel‑stock warehouses, machinery‑repair plants, ship‑building factories, steel‑structure production lines. It handles flat steel‑plates, steel‑blocks, round steel‑bars, seamless steel‑tubes and other ferromagnetic‑workpieces. Compared with electromagnetic lifters, permanent‑magnet lifting equipment cuts energy‑consumption costs, reduces maintenance‑workload and lowers long‑term operating‑expense for factories.

When selecting specification, users must distinguish flat‑plate rated‑capacity and cylindrical rated‑capacity. Round‑bar lifting capacity is usually half of flat‑plate capacity of same model. Also check minimum steel‑plate thickness; too‑thin plate will cause insufficient magnetic‑adsorption force and create hidden safety‑hazards. Operating‑temperature range for MKBK Hoist manual magnetic lifter is‑40℃ ~ +80℃; avoid lifting high‑temperature workpieces over 80℃ to prevent permanent‑magnet performance degradation.

FAQ Section


Q: What is a crane manual permanent magnet lifter magnetic?

A: It is a manual‑switch permanent‑magnetic lifting device cooperating with overhead cranes. It adopts high‑grade NdFeB magnet without external power‑supply, used for hoisting ferromagnetic workpieces such as steel‑plates and round‑steel bars.

Q: What capacity options does MKBK Hoist permanent magnet lifter provide?

A: MKBK Hoist manual permanent‑magnet lifter covers rated‑lifting‑capacity from 100kg up to 6000kg, covering small‑workshop handling and heavy‑duty steel‑mill transfer‑scenarios.

Q: What safety factor for MKBK Hoist manual magnetic lifter?

A: For models ≤2000kg safety‑factor reaches 3.5; above 2000kg safety‑factor is 3, meeting JB/T industry lifting‑magnet safety‑standards.

Q: Can permanent magnet lifter lift round steel bars?

A: Yes, MKBK Hoist crane permanent‑magnet lifter supports both flat‑steel‑plates and cylindrical round‑steel, with separate cylindrical rated‑load for round‑material hoisting.



MKBK Hoist Crane Manual Permanent Magnet Lifter Magnetic represents cost‑effective zero‑power magnetic‑lifting solution for crane‑assisted material‑handling. High safety‑standard, wide‑range‑capacity and low‑maintenance features make it ideal replacement for slings and electromagnetic lifting‑equipment in metal‑processing industries. Confirm workpiece‑type, thickness and actual‑lifting‑weight before purchasing to select the most‑suitable model.

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