DP GROUP, founded in 2016, offer professional laser solutions and sheet metal fabrication machinery. Headquartered in Hong Kong, we operate three factories in mainland China:
DPMach (Dongguan): Specializes in laser cutting, welding, and marking.
DGDY (Dongguan): Focuses on press brake machines with advanced Panel Bender technology.
DPQG (Foshan): Manufactures large tube laser cutting machines for pipes up to 800mm in diameter and 30 meters lenth.

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Precision Laser Cutting for 0.05mm (50μm) Magnetic Steel Sheet Applications in Miniature Electromagnetic Components And Instrument Spring Contacts

Precision Laser Cutting for 0.05mm (50μm) Magnetic Steel Sheet
Applications in Miniature Electromagnetic Components and Instrument Spring Contacts
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  • Magnetic Steel Sheet

Precision Laser Cutting for 0.05mm (50μm) Magnetic Steel Sheet

Applications in Miniature Electromagnetic Components and Instrument Spring Contacts


Precision laser cutting of 0.05mm (50μm) magnetic steel sheets is ideal for manufacturing miniature electromagnetic devices, sensor components, and precision spring contacts used in instrumentation, control systems, and compact electronic modules. At this scale, maintaining structural integrity, shape accuracy, and edge quality is essential — all of which are achieved through high-precision laser micromachining.


Typical Applications:

1. Miniature Electromagnetic Components

  • Magnetic cores, sensor arms, soft magnetic spacers

  • Used in miniature transformers, coils, electromagnetic relays, and actuators

  • Requires tight tolerance control and consistent magnetic properties

2. Precision Instrument Springs

  • Thin spring sheets for sensitive measuring instruments, pressure sensors, and mechanical switches

  • 50μm thickness provides both elasticity and responsiveness

  • Laser cutting ensures burr-free, high-repeatability production


Laser Cutting Advantages at 50μm Thickness:

  • Micron-level precision and clean edges

  • No mechanical stress or distortion

  • High repeatability in volume production

  • Capable of cutting complex geometries, slots, holes, and contours

  • Excellent for prototypes and mass production


Compatible Materials:

  • Magnetic Stainless Steel (e.g., SUS410, SUS430)

  • Soft Magnetic Alloys (e.g., FeNi, FeSi)

  • Customized magnetic foils for EMI and inductive applications


Industries Served:

  • Instrumentation & Measurement

  • Automotive Sensors

  • Microelectronics

  • Aerospace

  • Medical Devices

  • Smart Control Systems

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DP GROUP, founded in 2016, offer professional laser solutions and sheet metal fabrication machinery. Headquartered in Hong Kong, we operate three factories in mainland China:
DPMach (Dongguan): Specializes in laser cutting, welding, and marking.
DGDY (Dongguan): Focuses on press brake machines with advanced Panel Bender technology.
DPQG (Foshan): Manufactures large tube laser cutting machines for pipes up to 800mm in diameter and 30 meters lenth.
We offer comprehensive OEM/ODM services and spare parts for diverse industries. Our R&D team of over 50 experts ensures cutting-edge innovations, while our international support team of 21 professionals provides global service.

 

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