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
322	Reaming		4	0.4 to 3.2	1.6 to 16	5 to 8
	+ drilling		4	1.6 to 12.5	6.3 to 63.0	7 to 10
323	Horizontal milling		8	0.4 to 50.0	1.6 to 160	5 to 12
325	Shaping (planing)		8	0.8 to 100.0	4.0 to 400.0	6 to 13
326	Linishing (belt sanding)		6	0.1 to 3.2	1.0 to 25.0	3 to 8
328	Vertical grinding		6	0.2 to 6.4	1.0 to 40.0	4 to 9
329	Grit blasting		4	3.2 to 25.0	25 to 160	1-4 as in ISO 8503/1
	+ shot blasting		4	3.2 to 18.0	25 to 100
331	Spark erosion (EDM)		8	0.4 to 50.0	2.5 to 160	5 to 12
333	Hand filing		5	0.4 to 6.4	2.5 to 63	5 to 9
334	Castings		7	0.8 to 50.0	2.5 to 250	6 to 12
335	Honing		6	0.05 to 1.6	0.25 to 10.0	2 to 7
336	Polishing		5	0.0125 to 0.2	0.25 to 1.6	0 to 4

 

 

Microsurf Wall Chart Item 314

This chart combines eight of the most popular Microsurf plates into a single convenient display folder, approximately A4 size. This is ideal for classroom use, where the separate specimens can be easily lost. We make them to order using your choice of any eight specimens from the above Microsurf table.

When ordering, please make sure you let us know which eight “Item Numbers” from the above table you would like us to use in your order.