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Capabilities

Capabilities

Magnetstek supplies magnetic materials and discusses custom magnet requirements by drawing. This page outlines production and inspection points buyers can review with us. Material, grade, dimensions, coating, magnetization and delivery are confirmed for each quotation.

MANUFACTURING

Custom Magnet Process Overview
The route for a custom magnet depends on its material, geometry and application. Typical steps for sintered rare-earth magnets can include powder preparation, forming, sintering, machining, coating, magnetizing and inspection. For a specific order, we review the drawing and confirm the feasible process, inspection plan and delivery requirements before quotation.
Equipment Used in Typical Process Steps
  • Wire Cutting Machine
  • Slicing Machine
  • Injection Molding Machine
  • Melting Furnace
  • Airflow Grinder
  • Sintering Furnace
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MAGNET MANUFACTURING PROCESS

Magnet Manufacturing Process
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1. Ingredient Mixing

Precise proportioning according to grade specifications

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2. Melting

Key controls include vacuum pressure, voltage, argon filling capacity, refining time, and cooling temperature and time

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3. Powder Production

Coarse, medium, and fine crushing with control over rotational speed, nitrogen pressure, oxygen content, and particle size

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4. Compression Molding

Main controls include mold dimensions, powder weight, temperature, humidity, pressure, and time

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5. Sintering and Aging

Key control points are vacuum pressure, argon pressure, sintering and aging temperatures, and duration

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6. Blank Inspection

Inspection of external dimensions and observation of Max demagnetization curves

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7. Machining

Main controls include dimensional tolerances, positional tolerances, coatings, and appearance

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8. In-process Inspection

Inspection of appearance, dimensions, positional tolerances, and quantity

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9. Final Inspection

Comprehensive inspection of appearance, dimensions (full or sampling), positional tolerances (full or sampling), and magnetic performance (full or sampling) as per requirements

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10. Packaging and Delivery

Packaging, quantity checks, magnetic shielding and any requested inspection records are confirmed for each order.

Magnet Manufacturing Process (Soft Magnetic Alloys)

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1. Machining

For soft magnetic alloy parts, possible operations include cutting, stamping, machining and surface finishing, depending on the drawing and selected material. Specify dimensions, appearance, marking and any coating requirements so the feasible process and inspection plan can be confirmed for the quotation.

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2. In-process Inspection

In-process checks may include visual inspection, dimensions, positional tolerances, trial assembly and quantity verification. Specify sampling and acceptance criteria in the drawing or RFQ; the applicable checks are confirmed for each order.

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3. Cleaning and Visual Inspection

For soft magnetic alloy parts, specify the required surface cleanliness, dimensions, appearance and traceability in the drawing. Cleaning and inspection methods are confirmed for the selected process.

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4. Hydrogen Annealing

Hydrogen annealing, when specified for the selected alloy and part, requires an agreed atmosphere, temperature and time profile. Confirm whether it is needed and which magnetic or dimensional results must be checked.

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5. Final Inspection

Final inspection requirements may include visual, dimensional, positional, assembly, magnetic and quantity checks. The methods, sampling levels, records and acceptance limits should be agreed against the drawing before production.

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6. Packaging and Delivery

Packaging, quantity checks and any requested inspection or delivery records are confirmed for each order.

QUALITY CONTROL

Quality requirements are most useful when agreed before quotation. Tell us which dimensions, magnetic measurements, coating checks and records matter to your application. We review applicable methods and acceptance criteria against the project specification.
Inspection Methods to Agree
Inspection methods for a custom magnet can include dimensional measurement, magnetic field or moment checks, coating-thickness measurement, surface-finish review and visual inspection. The method, sampling level and report format should match the approved drawing and acceptance criteria. State the results you need in the RFQ so we can confirm the available methods and records for that order.
Stringent Quality Management Systems
  • Magnetstek is a brand of Suzhou Keyue Advanced Materials Technology Co., Ltd. The company’s ISO 9001:2015 certificate covers sales, including import and export, of the listed materials, including magnetic materials. The certificate does not cover a manufacturing site or certify individual magnets. View the certificate, holder and scope. Please state required inspection methods and records in your RFQ; the applicable plan and acceptance criteria can be agreed for each order.
Certificate and Scope
  • View the ISO 9001:2015 certificate issued to Suzhou Keyue Advanced Materials Technology Co., Ltd., the company behind Magnetstek. The page shows the certificate holder, sales scope and printed validity dates. Ask us which inspection records can be supplied for your specified part.
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Automated testing equipment for magnetic moment and inclination

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Magnetic inclination angle detectors

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Particle size analysis (illustrative)

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Imaging measurement devices

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Automated testing equipment for magnetic moment and inclination

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Magnetic inclination angle detectors

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Particle size analysis (illustrative)

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Imaging measurement devices

Main Products

What We Review Before Quoting

Share your drawing, magnetic requirements and operating conditions. Magnetstek reviews grade, coating, magnetization and inspection options for each custom part.

  • Drawing review for custom shapes and finished dimensions
  • Grade selection based on target field and operating temperature
  • Coating and magnetization options reviewed for the application
  • Inspection requirements discussed before quotation
  • Minimum order and lead time confirmed with the part-specific quote
  • ISO 9001:2015 certificate for material sales (scope details)