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Nippon RAF Surface Roughness Standard Plate for Milling

Made in Japan
Manufacturer: Nippon Kinzoku Denchu
Model: RAF

Feature

  • When measuring the surface roughness of workpieces, you have two main methods.
  • You can use a mechanical roughness measuring machine to get numerical values.
  • Alternatively, you can visually and tactually compare a standard surface roughness plate.
  • This plate is pre-made to match the criteria for each processing method.
  • You compare it with the actual workpiece to make judgments.

    Nippon Metal Electrocasting’s ‘Arasa Standard Plate’ falls into the latter category.

  • It serves as a comparative surface roughness standard plate.
  • There are both visual and tactile comparisons, but the tactile method seems more accurate.
  • Using the tip of your fingernail for comparison provides better sensitivity.
  • This approach is widely adopted in production settings.

Specifications

Product typeRoughness standard pieceProcessing methodfries
Quantity1 sheet▽▽▽▽0.1a
▽▽▽▽0.2a▽▽▽0.4a
▽▽▽0.8a▽▽▽1.6a
▽▽3.2a▽▽6.3a
▽12.5aProduct nameRa milling
Processing method▽▽▽▽▽▽▽▽▽
0.2a0.4a0.8a1.6a3.2a6.3a12.5a
N4N5N6N7N8N9N10
PlaneFor grinding
For shaping
for milling
For face milling

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