The Microsurf
series of comparators
This is a range of light-weight comparators
more suited to office and design shop use. Each set in the range is presented
in a plastic wallet,
with an instruction card giving full details on the roughness values of the
specimens.
Item Number
|
Machining Method
|
Number of Patches
|
Ranges of roughness values
|
Ra (µm)
|
Rz (µm)
|
N-groups
|
315
|
Surface grinding
|
8
|
0.025 to 3.2
|
0.25 to 16
|
1 to 8
|
316
|
Cylindrical grinding
|
8
|
0.025 to 3.2
|
0.25 to 16
|
1 to 8
|
317
|
Flat lapping
|
Criss-cross
|
4
|
0.025 to 0.2
|
0.4 to 1.0
|
1 to 4
|
Parallel
|
4
|
0.025 to 0.2
|
0.4 to 1.6
|
1 to 4
|
318
|
Cylindrical lapping
|
4
|
0.025 to 0.2
|
0.4 to 1.0
|
1 to 4
|
+ superfinishing
|
4
|
0.025 to 0.2
|
0.4 to 1.6
|
1 to 4
|
319
|
Face turning
|
8
|
0.4 to 50.0
|
1.6 to 160
|
5 to 12
|
320
|
Cylindrical turning
|
8
|
0.4 to 50.0
|
1.6 to 160
|
5 to 12
|
321
|
End milling
|
8
|
0.4 to 50.0
|
1.6 to 160
|
5 to 12
|
|