Surface roughness stand comparator
1. As standardized in ISO2632 / I-1975
2. This set contains standard for the six most important machine methods in the prevalent AA values.
3. These surface roughness is used to compare and determine the degree of the surface finish by comparision method and eye estmation or magnifying glass.
4. The surface rough contrast blocks is made of 45 super carbor steel except the GCr 15 which is using to plat lapping the sample block.
5. All 30 speciments are calibrated in u AA (Arithmetical Average) and in the metric equivalents um Ra.
Classify and rough degree parameter as table
Technical data
| TURING |
um 12.5; 6.3; 3.2; 1.6; 0.8; 0.4;
uin 500; 250; 125; 63; 32; 16; |
| VERTICAL MILLING |
um12.5; 6.3; 3.2; 1.6; 0.8; 0.4;
uin 500; 250; 125; 63; 32; 16; |
| HORIZONTAL MILLING |
um 12.5; 6.3; 3.2; 1.6; 0.8; 0.4;
uin 500;250;125;63;32;16; |
| PLAIN GRINDING |
um 1.6; 0.8; 0.4; 0.2; 0.1; 0.05;
uin 63; 32; 16; 8; 4; 2; |
| EXTERNALGRINDING |
um 1.6; 0.8; 0.4; 0.2;
uin 63; 32; 16; 8; |
| PLAT LAPPING |
um 0.1; 0.05;
uin 4; 2; |
Notice of Operation and maintenece
When working the surface rough contrast block should be as posible as under the same condition with the checked workpiece (including surfacecolour.illuminating condition etc) and it is forbidden to contact the surface rough contrast block direct by hand.Antitrust treatment should be strictly followed to avoid corrosin and strike and scrape should be avoided.
Package
Package Weight: 0.800kg (1.76lb.)
Package Size:15cm x 10cm x 5cm (5.91in x 3.94in x 1.97in)
