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Machining×長岡精機製作所 - List of Manufacturers, Suppliers, Companies and Products

Machining Product List

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Processing Example 1: Dimensional Accuracy (Automotive Parts: 28 mm)

Processing Example 1: Dimensional Accuracy (Automotive Parts: 28 mm)

We will achieve a dimensional accuracy of Φ2.0±3μ for a material diameter of Φ3.0!

As an example of Nagaoka Seiki's machining capabilities, we would like to introduce our dimensional accuracy. For automotive parts made from DSH400F material, we have achieved a dimensional accuracy of Φ2.0±3μ at the arrow points in the image, with a material diameter of Φ3.0. Since the cutting area is long, it is a machining process that requires careful consideration of the balance of each dimension. At Nagaoka Seiki Manufacturing, we accept precision parts machining using NC automatic lathes, from common materials such as stainless steel, aluminum, copper, and brass to difficult-to-cut materials. We specialize in high-precision machined parts (dimensional accuracy and mirror surface accuracy) and are committed to manufacturing with a constant focus on QCD. For more details, please contact us or download our catalog.

  • Processing Contract

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Processing Example 2 Surface Accuracy (Automotive Parts: 15mm)

Processing Example 2 Surface Accuracy (Automotive Parts: 15mm)

This is a machining example from Nagaoka Seiki Seisakusho. The surface accuracy is finished with a surface roughness of RZ1.5 for the cutting part.

As a machining example from Nagaoka Seiki, we would like to introduce surface accuracy. For automotive parts made of SUS303 material, the surface roughness of the machined section is finished at RZ1.5, as indicated by the arrow in the image. In particular, the surface roughness of the tapered section tends to be poor, requiring careful machining. At Nagaoka Seiki Manufacturing, we handle precision machining of parts using NC automatic lathes, from common materials such as stainless steel, aluminum, copper, and brass to difficult-to-machine materials. We specialize in high-precision machined parts (dimensional accuracy, mirror surface accuracy) and are committed to manufacturing with a constant focus on QCD. For more details, please contact us or download the catalog.

  • Processing Contract

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Processing Example 4: Dimensional Accuracy (Automotive Parts: 56mm)

Processing Example 4: Dimensional Accuracy (Automotive Parts: 56mm)

The dimensional accuracy at four locations is finished within ±3μ!

As a machining example from Nagaoka Seiki, we would like to introduce dimensional accuracy. For automotive parts made from DSH400F material, the dimensional accuracy at the four indicated points in the image is finished within ±3μ (the tolerances for each dimension indicated by the arrows in the image are ±5μ to ±3μ). Nagaoka Seiki Manufacturing accepts precision parts machining using NC automatic lathes, from common materials such as stainless steel, aluminum, copper, and brass to difficult-to-cut materials. In particular, we specialize in high-precision machined parts (dimensional accuracy, mirror surface accuracy) and are committed to manufacturing with a constant focus on QCD. For more details, please contact us or download the catalog.

  • Processing Contract

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Processing Example 5: Appearance (Automotive Parts: 25mm)

Processing Example 5: Appearance (Automotive Parts: 25mm)

Efforts have been made in the processing to prevent burrs from occurring in the knurling section.

As a machining example from Nagaoka Seiki, we introduce the appearance of our work. For automotive parts made from C3604 material, we have implemented techniques in the machining process to prevent burrs from forming in the knurled areas (the burrs indicated by the arrows in the image are being processed to avoid formation). At Nagaoka Seiki Manufacturing, we accept precision machining of parts using NC automatic lathes, from common materials such as stainless steel, aluminum, copper, and brass to difficult-to-machine materials. We specialize in high-precision machined parts (dimensional accuracy and mirror surface accuracy) and are committed to manufacturing with a constant focus on QCD. For more details, please contact us or download our catalog.

  • Processing Contract

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[Essential for Designers and Production Engineers] Cutting Processing Technology Handbook Giveaway!

[Essential for Designers and Production Engineers] Cutting Processing Technology Handbook Giveaway!

[Free Offer] A collection of know-how for achieving cost reduction in cutting processes and VA/VE. Introducing technology for designers and production engineers!

At Nagaoka Seiki Seisakusho, we operate a technical information site that shares knowledge and know-how about precision cutting processing using lathes for designers and production engineers. (Search for "Precision Cutting Processing.com!") [Published Information] - Technical information on precision cutting processing and high-precision machining using lathes. - Cost reduction examples for each process from the design stage to finishing. - Methods for producing high-precision cutting parts at low cost. - Points for achieving cost reduction and how to create drawings to prevent troubles. We offer a free cutting processing technology handbook that helps designers and production engineers understand cost reduction and achieve VA/VE through lathe cutting processing. *On Ipros, you can download a digest version of the first three pages. *If you would like the full version, please feel free to contact us.

  • Other cutting tools
  • Other machine elements

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Processing Example 7: Bearing Parts

Processing Example 7: Bearing Parts

In cutting processing, the inner diameter after heat treatment is finished to Φ7±0.005.

As a machining example from Nagaoka Seiki, we would like to introduce bearing parts. In our cutting process, the inner diameter after heat treatment is finished to Φ7±0.005 (with SUJ2, we maintain the inner diameter within ±5μ through cutting alone). Since distortion occurs after heat treatment, we take that into account during the cutting process. At Nagaoka Seiki Manufacturing, we accept precision parts cutting using NC automatic lathes, from common materials such as stainless steel, aluminum, copper, and brass to difficult-to-machine materials. We specialize in high-precision machined parts (dimensional accuracy, mirror surface accuracy) and are committed to manufacturing with a constant focus on QCD. For more details, please contact us or download our catalog.

  • Processing Contract

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