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Dongguan Junyu Precision Mould Co., Ltd.
China
Wire EDM (Electrical Discharge Machining): Spark erosion cutting for hardened metals and tight tolerances

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Dongguan Junyu Precision Mould Co., Ltd. (JUNYU) is a precision engineering and tooling manufacturer based in Dongguan, Guangdong Province, China. The company specializes in precision mold design and fabrication, precision CNC machining, optical profile grinding, and electrical discharge machining services.

JUNYU operates advanced EDM and WEDM workshop centers featuring imported Swiss AgieCharmilles and Japanese Sodick wire EDM units. The company has implemented quality management systems certified to ISO 9001:2008 and TS 16949 standards, delivering precision mold inserts, connector tooling, and high-hardness metal components to customers across North America, Europe, and Asia.

Offer

JUNYU provides precision Wire Electrical Discharge Machining (WEDM) and sinker EDM services tailored for complex profiles in hardened steels, carbide, and exotic metals:

  • Wire EDM Capabilities: Dimensional tolerances up to ±0.001 mm (with ultra-precision capability down to ±0.0001 mm on specialized setups); surface finish down to Ra 0.03 µm; minimum wire diameter of 0.03 mm.
  • Workpiece Capacity: Maximum cutting thickness up to 250 mm; axis travel configurations including 350 × 250 × 256 mm on AgieCharmilles CUT2000.
  • Key Equipment: Swiss AgieCharmilles CUT2000 wire EDM centers, Japanese Sodick Oil AP250 wire EDM machines, CNC machining centers, and optical profile projection grinders (PG).
  • Materials Processed: Tungsten carbide, hardened tool steels (SKD11, DC53, SKH-51), stainless steels, copper alloys, and aerospace titanium alloys.
  • Applications: High-speed progressive stamping dies, connector molds, terminal mold inserts, round punches and dies, and micro-precision components.
  • Inspection & Metrology: 100% pre-delivery inspection utilizing Hexagon Global Classic and Zeiss Spectrum 3D coordinate measuring machines (CMM), Digimar height gauges, and Nikon MS-11C altimeters.

Tags

wire edm
spark erosion
stamping dies
wedm
carbide tooling
agiecharmilles
mold inserts
Industrial Specializations: Wire EDM (Electrical Discharge Machining): Spark erosion cutting for hardened metals and tight tolerances
Headquarter/main address: NO.13 Songzai Road, Gaoying Village, Dalang Town
Dongguan
Guangdong China
Get Directions
https://www.junyucncmachining.com
Business Type: Custom Manufacturer
Ownership: Private
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