Japan, Nippon Kinzoku Denchu
Nippon EA Cylindrical Outer Surface Roughness Standard Plate



Made in Japan
Manufacturer: Nippon Kinzoku Denchu
Model: EA
Features
- You can measure roughness by comparing a standard plate to the actual product.
- You have two options: using sight or touch.
- For most surfaces, the touch method works well.
- The JIS standards agree, especially when you measure the highest peaks and valleys.For a more sensitive touch, use your fingernail instead of your fingertip.
- Or, you could use a pencil’s tip for a gentle scrape.
- But, if you’re checking surface shine, you must look at the surface.
- Usually, you can spot or feel roughness levels up to about 0.8S.
Specifications
Grinding:
(▽:▽▽▽▽/Rmax: 0.8S/Rz: 0.8)
(▽:▽▽▽/Rmax: 1.6S/Rz: 1.6)
(▽:▽▽▽/Rmax: 3.2S/Rz: 3.2)
Turning:
(▽:▽▽▽/Rmax: 1.6S/Rz: 1.6)
(▽:▽▽▽/Rmax: 3.2S/Rz: 3.2)
(▽:▽▽▽/Rmax: 6.3S/Rz: 6.3)
(▽:▽▽/Rmax: 12.5S/Rz: 12.5)
(▽:▽▽/Rmax: 18S/Rz: 18)
(▽:▽▽/Rmax: 25S/Rz: 25)
(▽:▽/Rmax: 35S/Rz: 35)
(▽:▽/Rmax: 50S/Rz: 50)
(▽:▽/Rmax: 100S/Rz: 100)
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