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15. Roughness Comparison Specimens / Digital Shore Durometer
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EDM finish scale to VDI 3400
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EDM finish scale to VDI 3400
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EDM finish scale to VDI 3400 surface comparison pattern
Order-No. 921.213
EDM to VDI 3400 surface profile
This comparison sample set includes
12 roughness pattern
to
VDI 3400
EDM =
Electrical Discharge Machining Definitions, Process, Application
Comparison area:
VDI Ref. 12 / Ra 0,40 µm / Rmax 1,6 µm
VDI Ref. 15 / Ra 0,56 µm / Rmax 2,3 µm
VDI Ref. 18 / Ra 0,80 µm / Rmax 3,2 µm
VDI Ref. 21 / Ra 1,12 µm / Rmax 4,5 µm
VDI Ref. 24 / Ra 1,60 µm / Rmax 6,3 µm
VDI Ref. 27 / Ra 2,24 µm / Rmax 9,0 µm
VDI Ref. 30 / Ra 3,15 µm / Rmax 12,5 µm
VDI Ref. 33 / Ra 4,50 µm / Rmax 18,0 µm
VDI Ref. 36 / Ra 6,30 µm / Rmax 25,0 µm
VDI Ref. 39 / Ra 9,00 µm / Rmax 35,0 µm
VDI Ref. 42 / Ra 12,50 µm / Rmax 49,0 µm
VDI Ref. 45 / Ra 18,00 µm / Rmax 70,0 µm
the individual wear-resistant, stainless reference standards are 12 x 8 mm
on the front with
VDI classes 12 to 45
and "VDI 3400 Ref."
on the back, the roughness table with the arithmetic mean roughness values
Ra of 0,4 to 18 µm
and the maximum roughness
Rmax 1,6 to 70 µm
the special manufacturing process ensures the high precision and the absolute sameness of all samples
external dimensions L x B x H = ca. 125 x 27 x 3 mm
weight 0,028 kg
delivery in protective sleeve
For the practically oriented setting, testing and evaluation of the surface quality of eroded workpieces in visual and tact comparison.
Product No.: 921.213
Shippingtime:
approximately 3 - 5 days
(abroad may vary)
Weight:
0,01
kg per piece
139,00 EUR
Product No.: 921.213
Shippingtime:
approximately 3 - 5 days
plus 19% tax excl.
Shipping costs
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