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Custom DC-Controlled Electromagnets updated -- 2

Freelancer

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placeAU home_work远程 assignment合同制 public聚合职位 · AU

event发布于 2026年8月26日 · verified我们于 2026年8月30日 确认该职位仍然有效

AU$ 750 – AU$ 1.500 (每个项目)

职位介绍

I need three compact electromagnets fabricated for integration into a larger prototype. Final outside dimensions will be supplied once we begin, but each unit must: see diagram attached • Run from a standard low-voltage DC source (anywhere in the 12–24 V range is acceptable). • Provide variable holding force up to 40 N, adjustable via a simple in-line control such as PWM, current-limit circuit, or potentiometer. • Remain within the specified footprint and include straightforward mounting points so I can drop them straight into my assembly. • Operate continuously without excessive heat build-up or noticeable magnetic drift. the electromagnets cores are close to 1-3 width, 100mm height and 10mm depth. they need to fit within a arm (harness) . two magnets are curved and one is straight (going through the middle of a sphere) Deliverables • 3 fully wound and assembled electromagnets built to the agreed dimensions • Matching driver or control interface with wiring diagram and basic operating instructions • Short test report showing measured pull force at minimum, mid-range, and maximum settings • Source files (coil data, CAD, circuit schematic) so I can reproduce or modify the design in future I’m flexible on core material, winding technique, and exact control method provided the 40 N ceiling and size constraints are met. Please allow for reasonable shipping time and let me know if you foresee any alternative approaches that would simplify production or improve reliability.

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