Draft Research: Lifting Magnet Types Comparison
Draft Research: Lifting Magnet Types Comparison
Date: 2026-06-23
Candidate Topics Evaluated
- ASME B30.20 & EN 13155 Compliance Audit Guide: Focuses on safety standards. Too theoretical for direct RFQ conversion, but good for trust.
- Permanent vs. Electro-Permanent vs. Electromagnetic Lifters: TCO Comparison: Highly relevant for procurement and engineering deciding on plant upgrades. Strong ROI and TCO focus. (Selected)
- Electro-Permanent Magnets for Automated Plate Handling: Automation focus. Excellent for integrators, but may miss standard distributors.
- Lifting Magnet Derating Curves: Very engineering-heavy. Partially overlaps with our existing breakaway force checklist.
- Battery Backup Safety in Electromagnets vs Passive Safety in EPMs: Great safety angle, but narrower scope.
Selected Topic
Permanent vs. Electro-Permanent vs. Electromagnetic Lifters: A Procurement & TCO Guide
- Why it matters: Buyers often look only at capital expenditure (CapEx) instead of Total Cost of Ownership (TCO) and safety risk (battery backups vs passive holding). EPM is a rising standard that bridges the gap.
- Slug:
lifting-magnet-types-comparison-tco - Target Audience: Buyers, procurement teams, distributors, and engineers.
Information Gap (Incremental Value)
Existing pages usually just say "EPM uses electricity only to switch state." This post will quantify the 95% energy savings, compare the maintenance costs (battery replacements, cable wear), define the application boundaries (when to still use permanent or electromagnetic), and provide an 8+ row structured TCO comparison table.
Sources to Cite
- Holloway Houston Lifting - "Lifting Magnets: Permanent vs Electromagnetic" (https://www.hhilifting.com/en/news/post/lifting-magnets-permanent-vs-electromagnetic-capacity-and-safety-guide)
- Lenoir-Mec - "Electropermanent Lifting Magnet: Complete Guide 2025" (https://www.lenoir-mec.com/en/2025/09/22/electropermanent-lifting-magnet-complete-guide-2025)
- Eclipse Magnetics - "The Difference Between Electromagnets & Permanent Magnets" (https://www.eclipsemagnetics.com/resources/guides/difference-between-electromagnet-permanent-magnet)
- SGM Magnetics - "Electro Permanent Lifting Magnets" (https://www.sgmmagnetics.com/en/products/electro-permanent-lifting-magnets)
- BSI Knowledge - "BS EN 13155:2020 Crane safety" (https://knowledge.bsigroup.com/products/crane-safety-non-fixed-load-lifting-attachments)
Draft Outline
- Introduction: The CapEx vs TCO trap in magnetic lifting procurement.
- Core Technologies Explained (Permanent, Electromagnetic, Electro-Permanent).
- The TCO & Performance Comparison (8+ row structured table).
- Application Boundaries (Where each technology wins or fails).
- Procurement & Engineering Checklist.
- FAQ.
- CTA.
- Sources.
More Posts
Temperature Limits of Lifting Magnets: A Buyer’s Guide to Handling Hot Steel
Buyer’s guide to lifting magnet temperature limits for hot steel. Compare permanent, EPM, and electromagnet options, derating risks, and RFQ checklist.
Switchable Magnetic Lifter Selection Checklist
A practical B2B checklist to choose switchable permanent magnetic lifters for plate handling, including load profile, surface condition, evidence package, and PO release gates.
Lifting Magnet Derating Factors: How Air Gaps, Surface Roughness, and Material Thickness Impact Real-World Capacity
Lifting magnet derating guide for air gaps, roughness, steel thickness, and alloys. Use RFQ checks, source-backed limits, and contact engineering today.