Technical data1. Plates CNB "Microbor" are the most effective while mechanical processing (including) draft, core and on impact) of pig-iron and tempered steels.
2. Range of cutting modes of CNB «Microbor» while mechanical processing is much wider than other cutting materials have: - the cutting speed may change from the used for hard alloys till the speeds while super fast milling; - the max submission and cutting depth are limited firstly by the length of cutting core, physical and mechanical properties (relative process factor KV) of the used material, rigidity of the SPID system and the highest equipment admission characteristics. The highest parameters of cutting modes for plates CNB "Microbor", actually received at observance of the given restrictions, are depicted in the table:
| Alloy grades | KV | Cutting mode |
|---|
| Cutting speed, m/min | Max submission, rpm/min | Max cutting depth, mm |
|---|
| Constructional carbonaceous & low alloyed steels, with hardness more than HRC 45 (for example, steel 45 GOST 1050-88, steel 40Õ GOST 4543-71) | 1,0...1,2 | 150...430 | 0,7 | 5 | | Steels of special-purpose designation, with hardness more than HRC 45 (for ex., steel ØÕ 15 GOST 801-78, steel 65à 14959-79) | 0,85...1,0 | 100...380 | 0,65 | 5 | | Constructional carbonaceous & highly alloyed steels, with hardness more than HRC 45 (for ex., steel 30ÕÌÀ GOST 8479-70, steel 30Õ13 14959-79) | 0,7..0,9 | 60..240 | 0,3 | 3,5 | | Instrumental carbonaceous & alloyed steels, with hardness more than HRC 48 (for ex., steel Ó12 GOST 5210-95, steel ÕÂà GOST 5950-2000) and fast-cutting steels, with hardness more than HRC 50 (for ex., steel Ð6Ì5 GOST 19265-73) | 0,75...1,0 | 90...250 | 0,4 | 4 | | Grey pig-iron, with hardness Í 120..290 (for ex., Ñ×35 GOST 1412-85) | | 250...1200 | 2 | 8 | | Âûñîêîïðî÷íûå ÷óãóíû ñ øàðîâèäíûì ãðàôèòîì, ñ òâåðäîñòüþ Í 140..360 (íàïðèìåð, Â×70 ÃÎÑÒ 7293-85) | | 200...850 | 1,5 | 8 | | Alloyed pig-iron in a working layer, with hardness HRC 40...68 (for ex., È×Õ28Í2 ÒÓÐÁ700067266057-2002) | | 30...200 | 1 | 8 |
3. Unlike other cutting materials at destruction, the plates CNB «Microbor» during introduction of tool particles in a body of a processable detail are excluded.
4. Are not the reason for working side change of plate CNB "Microbor", if it does not conduct sharp increase of loading and does not break the set requirements for the processed detail surface: - Not increasing local on a cutting edge at processing all materials listed in the table; - Abrasive deterioration (more 0,5 mm) on the main back surface, under condition of absence visible deadlock (rounding off) of the most cutting edge («self-sharpening» effect) during pig-iron processing. SNMN| Insert | Inscribed circle diameter | Cutting edge length | Thickness | Nose radius |
|---|
| | d | l | s | r |
|---|
| SNÌN 090304 | 9,53 | 9,53 | 3,18 | 0,4 | | SNÌN 090308 | 9,53 | 9,53 | 3,18 | 0,8 | | SNÌN 090312 | 9,53 | 9,53 | 3,18 | 1,2 | | SNÌN 090404 | 9,53 | 9,53 | 4,76 | 0,4 | | SNÌN 090408 | 9,53 | 9,53 | 4,76 | 0,8 | | SNÌN 090412 | 9,53 | 9,53 | 4,76 | 1,2 | | SNÌN 120308 | 12,7 | 12,7 | 3,18 | 0,8 | | SNÌN 120312 | 12,7 | 12,7 | 3,18 | 1,2 | | SNÌN 120316 | 12,7 | 12,7 | 3,18 | 1,6 | | SNÌN 120408 | 12,7 | 12,7 | 4,76 | 0,8 | | SNÌN 120412 | 12,7 | 12,7 | 4,76 | 1,2 | | SNÌN 120416 | 12,7 | 12,7 | 4,76 | 1,6 | | SNÌN 120610 | 12,7 | 12,7 | 6,35 | 1,0 | | SNÌN 120612 | 12,7 | 12,7 | 6,35 | 1,2 | | SNÌN 120616 | 12,7 | 12,7 | 6,35 | 1,6 | | SNÌN 120620 | 12,7 | 12,7 | 6,35 | 2,0 |
CNMN| Insert | Inscribed circle diameter | Cutting edge length | Thickness | Nose radius |
|---|
| | d | l | s | r |
|---|
| TNÌN 110304 | 6,35 | 11,0 | 3,18 | 0,4 | | TNÌN 110308 | 6,35 | 11,0 | 3,18 | 0,8 | | TNÌN 110310 | 6,35 | 11,0 | 3,18 | 1,0 | | TNÌN 110404 | 6,35 | 11,0 | 4,76 | 0,4 | | TNÌN 110408 | 6,35 | 11,0 | 4,76 | 0,8 | | TNÌN 110410 | 6,35 | 11,0 | 4,76 | 1,0 | | TNÌN 110608 | 6,35 | 11,0 | 6,35 | 0,8 | | TNÌN 1106.12 | 6,35 | 11,0 | 6,35 | 1,2 | | TNÌN 1106.16 | 6,35 | 11,0 | 6,35 | 1,6 | | TNÌN 160308 | 9,525 | 16,5 | 3,18 | 0,8 | | TNÌN 160312 | 9,525 | 16,5 | 3,18 | 1,2 | | TNÌN 160316 | 9,525 | 16,5 | 3,18 | 1,6 | | TNÌN 160408 | 9,525 | 16,5 | 4,76 | 0,8 | | TNÌN 160412 | 9,525 | 16,5 | 4,76 | 1,2 | | TNÌN 160416 | 9,525 | 16,5 | 4,76 | 1,6 | | TNÌN 160608 | 9,525 | 16,5 | 6,35 | 0,8 | | TNÌN 160612 | 9,525 | 16,5 | 6,35 | 1,2 | | TNÌN 160616 | 9,525 | 16,5 | 6,35 | 1,6 |
RNMN| Insert | Inscribed circle diameter | Cutting edge length | Thickness |
|---|
| | d | l | s |
|---|
| RNÌN 090300 | 9,525 | 9,525 | 3,18 | | RNÌN 090400 | 9,525 | 9,525 | 4,76 | | RNÌN 120300 | 12,7 | 12,7 | 3,18 | | RNÌN 120400 | 12,7 | 12,7 | 4,76 | | RNÌN 120600 | 12,7 | 12,7 | 6,35 |
RNMN| Insert | Inscribed circle diameter | Cutting edge length | Thickness | Nose radius |
|---|
| | d | l | s | r |
|---|
| CNÌN 090304 | 9,525 | 9,7 | 3,18 | 0,4 | | CNÌN 090308 | 9,525 | 9,7 | 3,18 | 0,8 | | CNÌN 090312 | 9,525 | 9,7 | 3,18 | 1,2 | | CNÌN 090404 | 9,525 | 9,7 | 4,76 | 0,4 | | CNÌN 090408 | 9,525 | 9,7 | 4,76 | 0,8 | | CNÌN 090412 | 9,525 | 9,7 | 4,76 | 1,2 | | CNÌN 120308 | 12,7 | 12,9 | 3,18 | 0,8 | | CNÌN 120312 | 12,7 | 12,9 | 3,18 | 1,2 | | CNÌN 120316 | 12,7 | 12,9 | 3,18 | 1,6 | | CNÌN 120408 | 12,7 | 12,9 | 4,76 | 0,8 | | CNÌN 120412 | 12,7 | 12,9 | 4,76 | 1,2 | | CNÌN 120416 | 12,7 | 12,9 | 4,76 | 1,6 | | CNÌN 120612 | 12,7 | 12,9 | 4,76 | 1,2 | | CNÌN 120616 | 12,7 | 12,9 | 4,76 | 1,6 | | CNÌN 120620 | 12,7 | 12,9 | 4,76 | 2,0 |


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