With a facility of more than 300 CNC machines, we offer a diverse range of CNC precision machining in single items as well as mass production with 30+ types of materials:
• Steel, Stainless Steel,Special Steel
• Aluminum
• Copper & Brass
• Plastic
Maximum workpiece dimensions:
• CNC lathe (X-Z) up to 450×1,000 mm
• CNC milling machine (X-Y-Z) up to 1,050x510x460 mm
Machining Accuracy:
• Grinding Machine: 0.003 mm
• Lathe and Milling Machine: 0.01 mm
Capacity: 1,000,000 parts/month
Stainless Steel
Materials: SUS316,
SUS304, SUS303
Accuracy: ± 0.01~0.03
Aluminum
Materials: A2017,
A7075, A6061, A5052
Accuracy: ± 0.01~0.03
Plastic
Materials: POM, MC,
PMMA, PET, Peek
Accuracy: ± 0.01~0.03
Copper & brass, Becu
Materials: C3604, C1100
Accuracy: ± 0.01~0.03
Yamaguchi designs, manufactures and assembles machining jigs, inspection jigs, assembly jigs,… with high precision requirements.
J-YGC-8
Materials: A6061
LxWxH: 128x125x63
Accuracy: ± 0.02
J-YGC-9
Materials: A6061
LxWxH: 125x95x63
Accuracy: ± 0.02
J-YGC-4
Materials: S50C+SKS3
LxWxH: 300x250x200
Accuracy: ± 0.02
J-YGC-1
Materials: S55C
LxWxH: 350x350x300
Accuracy: ± 0.02
Yamaguchi produces aluminum castings for a variety of industries:precision machining, semiconductor, electronics, automotive, aviation, energy,…
• Production output: 65,000 parts/month
• Machine capacity: 420 and 800 tons
• Maximum product weight: 6,5 kg
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Yamaguchi cooperates with reliable suppliers to perform surface treatment services:
• Anodizing: Clear anodizing, white hard anodizing, black anodizing, black hard anodizing
• Hard chrome plating
• Black oxide
• Nickel plating: Electrolytic nickel plating, electroless nickel plating
• Zinc plating: Clear/Blue zinc plating, Clear/Yellow/Gold zinc plating, Rainbow zinc plating
• Phosphate coating
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Yamaguchi cooperates with reliable suppliers to perform heat treatment services:
• Vacuum heat treating, quenching
• Nitriding
• Carbonizing
• Induction heating
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• Yamaguchi operates a quality management system according to ISO 9001:2015.
• Perform IQC, IPQC, and OQC processes including defined sampling frequency and sampling plan.
• Work instructions for all operation and testing processes are available and put in process.
• 4M Change Analysis and Statistical techniques e.g. Pareto diagram, fishbone diagram, and control chart,… are applied to quality issue analysis and quality improvement.
• Implement PFMEA and PPAP. Key characteristics are identified in the control plan and are derived from FMEA.
• Apply process capability studies (Cp/ Cpk) and control chart to critical machining/ assembly/ testing process.
• A system to monitor the correct revision of drawings, change notices, and specifications is in use.
• A first in – first out (FIFO) system is utilized.
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