BNC2020 是一款涂层 CBN（立方氮化硼）烧结体材质，属于 BNC2000 系列，是淬火钢（ISO H 类）通用高效加工的推荐材质。该牌号采用强韧性 CBN 基体，表面涂覆高耐磨损性 TiAlN 多层涂层，兼具较好的耐崩损性和耐磨损性，在断续加工、高效率加工及低刚性加工中均可实现较为稳定的刀具寿命，是 BNC2000 系列中适合通用高效加工的牌号。
核心定位
BNC2020 是淬火钢通用高效加工的推荐牌号，适用于 H 类（淬火钢） 的通用加工、高效率加工及断续加工，覆盖低～中速加工范围。该牌号在 BNC2000 系列中定位为通用材质，与 BNC2010（高精度加工）形成互补关系。
适用工艺：车削（Turning），包括外圆车削、端面车削、仿形车削、内孔车削等
适用材料：淬火钢（轴承钢 SUJ2、模具钢 SKD11/SKD61、渗碳钢 SCr420、高频淬火钢材 S45C/S55C 等，硬度 HRC 45-65）
适用工况：通用加工、高效率加工、断续加工；精加工、半精加工；低刚性环境和高负载切削
推荐切削速度范围：60 - 200 m/min
核心定位关键词：淬火钢通用高效加工、涂层 CBN、TiAlN 多层涂层、高耐崩损性、通用材质
涂层技术与基体特点
BNC2020 采用了住友电工先进的 CBN 烧结体与涂层技术，以下为核心技术要点：
| 技术维度 | 详细说明 |
|---|---|
| 材料类型 | 涂层 CBN（立方氮化硼）烧结体，属于 BNC2000 系列 |
| 基体特点 | 强韧性 CBN 基体，具有较好的耐崩损性，在高效率加工和断续加工中可保持刃口稳定性 |
| 涂层技术 | TiAlN 多层涂层，具有较好的耐磨损性和附着力 |
| 涂层特点 | 高耐磨损性涂层尤其适用于强韧母材；涂层与基体结合力较好，抗剥离性较强 |
| 性能表现 | 在淬火钢的通用加工中具有较好的耐崩损性和耐磨损性平衡；在断续加工、高效率加工、低刚性加工等所有加工中寿命较为稳定；在低刚性环境和高负载切削中加工稳定性较好 |
应用领域
该牌号适用于以下淬火钢材料的车削通用高效加工场景：
| 材料类别 | 材料举例 | 硬度范围 | 应用说明 |
|---|---|---|---|
| 淬火钢（主要应用） | 轴承钢（SUJ2）、模具钢（SKD11、SKD61）、渗碳钢（SCr420）、高频淬火钢材（S45C、S55C） | HRC 45-65 | 通用加工、高效率加工、断续加工 |
| 高硬度铸铁（次要应用） | 冷硬铸铁、高铬铸铁 | — | 精加工、半精加工 |
典型应用场景：
轴承制造：轴承套圈、滚子等高硬度轴承钢的高效率车削加工
模具制造：淬火模具钢（SKD11、SKD61）的通用加工和半精加工
汽车工业：传动系统高硬度零部件（齿轮、轴类）的高效率加工
齿轮制造：渗碳淬火齿轮的通用加工，适合断续加工场景
低刚性环境：适用于低刚性工件或装夹稳定性较差的加工场景
典型行业：轴承工业、模具制造、汽车工业、齿轮制造、液压/气动元件
相关刀片型号
| 编号 | 型号 | 牌号 |
| 222459 | 2NC-CCGT060204N-FV BNC2020 | BNC2020 |
| 222460 | 2NC-CCGT09T304N-FV BNC2020 | BNC2020 |
| 222461 | 2NC-CCGT09T304N-LV BNC2020 | BNC2020 |
| 222462 | 2NC-CCGT09T308N-FV BNC2020 | BNC2020 |
| 222463 | 2NC-CCGT09T308N-LV BNC2020 | BNC2020 |
| 240840 | 2NC-CCGW060202LT BNC2020 | BNC2020 |
| 222437 | 2NC-CCGW060202 BNC2020 | BNC2020 |
| 240842 | 2NC-CCGW060204LT BNC2020 | BNC2020 |
| 222438 | 2NC-CCGW060204 BNC2020 | BNC2020 |
| 232396 | 2NC-CCGW060208 BNC2020 | BNC2020 |
| 240844 | 2NC-CCGW09T302LT BNC2020 | BNC2020 |
| 222439 | 2NC-CCGW09T302 BNC2020 | BNC2020 |
| 222530 | 2NC-CCGW09T304HS BNC2020 | BNC2020 |
| 238550 | 2NC-CCGW09T304LT BNC2020 | BNC2020 |
| 222440 | 2NC-CCGW09T304 BNC2020 | BNC2020 |
| 284374 | 2NC-CCGW09T308HS BNC2020 | BNC2020 |
| 238551 | 2NC-CCGW09T308LT BNC2020 | BNC2020 |
| 222443 | 2NC-CCGW09T308 BNC2020 | BNC2020 |
| 240847 | 2NC-CNGA120402LT BNC2020 | BNC2020 |
| 222532 | 2NC-CNGA120404HS BNC2020 | BNC2020 |
| 240853 | 2NC-CNGA120404LT BNC2020 | BNC2020 |
| 233736 | 2NC-CNGA120404 BNC2020 | BNC2020 |
| 222533 | 2NC-CNGA120408HS BNC2020 | BNC2020 |
| 240856 | 2NC-CNGA120408LT BNC2020 | BNC2020 |
| 228078 | 2NC-CNGA120408 BNC2020 | BNC2020 |
| 222534 | 2NC-CNGA120412HS BNC2020 | BNC2020 |
| 240860 | 2NC-CNGA120412LT BNC2020 | BNC2020 |
| 233847 | 2NC-CNGA120412 BNC2020 | BNC2020 |
| 254875 | 2NC-CNGA120416 BNC2020 | BNC2020 |
| 254877 | 2NC-CNGA120420 BNC2020 | BNC2020 |
| 254878 | 2NC-CNGA120424 BNC2020 | BNC2020 |
| 240862 | 2NC-CPGW080202 BNC2020 | BNC2020 |
| 240864 | 2NC-CPGW080204 BNC2020 | BNC2020 |
| 240866 | 2NC-CPGW090302 BNC2020 | BNC2020 |
| 240868 | 2NC-CPGW090304 BNC2020 | BNC2020 |
| 222464 | 2NC-DCGT070204N-FV BNC2020 | BNC2020 |
| 222465 | 2NC-DCGT11T304N-FV BNC2020 | BNC2020 |
| 222466 | 2NC-DCGT11T304N-LV BNC2020 | BNC2020 |
| 222467 | 2NC-DCGT11T308N-FV BNC2020 | BNC2020 |
| 222468 | 2NC-DCGT11T308N-LV BNC2020 | BNC2020 |
| 240869 | 2NC-DCGW070202LT BNC2020 | BNC2020 |
| 222446 | 2NC-DCGW070202 BNC2020 | BNC2020 |
| 240870 | 2NC-DCGW070204LT BNC2020 | BNC2020 |
| 222447 | 2NC-DCGW070204 BNC2020 | BNC2020 |
| 222535 | 2NC-DCGW070208 BNC2020 | BNC2020 |
| 240873 | 2NC-DCGW11T302LT BNC2020 | BNC2020 |
| 222448 | 2NC-DCGW11T302 BNC2020 | BNC2020 |
| 222536 | 2NC-DCGW11T304HS BNC2020 | BNC2020 |
| 238682 | 2NC-DCGW11T304LT BNC2020 | BNC2020 |
| 222449 | 2NC-DCGW11T304 BNC2020 | BNC2020 |
| 284382 | 2NC-DCGW11T308HS BNC2020 | BNC2020 |
| 238683 | 2NC-DCGW11T308LT BNC2020 | BNC2020 |
| 222452 | 2NC-DCGW11T308 BNC2020 | BNC2020 |
| 269764 | 2NC-DCGW11T308 BNC2020 | BNC2020 |
| 269765 | 2NC-DCGW11T308 BNC2020 | BNC2020 |
| 222538 | 2NC-DNGA110404 BNC2020 | BNC2020 |
| 222539 | 2NC-DNGA110408 BNC2020 | BNC2020 |
| 238438 | 2NC-DNGA110412 BNC2020 | BNC2020 |
| 240878 | 2NC-DNGA150402LT BNC2020 | BNC2020 |
| 240884 | 2NC-DNGA150404LT BNC2020 | BNC2020 |
| 233753 | 2NC-DNGA150404 BNC2020 | BNC2020 |
| 240888 | 2NC-DNGA150408LT BNC2020 | BNC2020 |
| 223682 | 2NC-DNGA150408 BNC2020 | BNC2020 |
| 240893 | 2NC-DNGA150412LT BNC2020 | BNC2020 |
| 254880 | 2NC-DNGA150416 BNC2020 | BNC2020 |
| 254882 | 2NC-DNGA150420 BNC2020 | BNC2020 |
| 254884 | 2NC-DNGA150424 BNC2020 | BNC2020 |
| 222540 | 2NC-DNGA150604HS BNC2020 | BNC2020 |
| 243620 | 2NC-DNGA150608ES BNC2020 | BNC2020 |
| 257301 | 2NC-DNGA150608HS BNC2020 | BNC2020 |
| 243617 | 2NC-DNGA150608LT BNC2020 | BNC2020 |
| 222542 | 2NC-DNGA150612HS BNC2020 | BNC2020 |
| 243618 | 2NC-DNGA150612LT BNC2020 | BNC2020 |
| 240925 | 2NC-VBGW110302LT BNC2020 | BNC2020 |
| 240926 | 2NC-VBGW110304LT BNC2020 | BNC2020 |
| 232523 | 2NC-VBGW110304 BNC2020 | BNC2020 |
| 244154 | 2NC-VBGW110308 BNC2020 | BNC2020 |
| 240928 | 2NC-VBGW160402LT BNC2020 | BNC2020 |
| 251989 | 2NC-VBGW160402 BNC2020 | BNC2020 |
| 240930 | 2NC-VBGW160404LT BNC2020 | BNC2020 |
| 222455 | 2NC-VBGW160404 BNC2020 | BNC2020 |
| 284393 | 2NC-VBGW160408HS BNC2020 | BNC2020 |
| 240932 | 2NC-VBGW160408LT BNC2020 | BNC2020 |
| 222456 | 2NC-VBGW160408 BNC2020 | BNC2020 |
| 256784 | 2NC-VBGW160412 BNC2020 | BNC2020 |
| 240934 | 2NC-VCGW080202 BNC2020 | BNC2020 |
| 240936 | 2NC-VCGW080204 BNC2020 | BNC2020 |
| 267460 | 2NC-VCGW160408HS BNC2020 | BNC2020 |
| 244026 | 2NC-VCGW160408 BNC2020 | BNC2020 |
| 240937 | 2NC-VNGA160402LT BNC2020 | BNC2020 |
| 240941 | 2NC-VNGA160404LT BNC2020 | BNC2020 |
| 222457 | 2NC-VNGA160404 BNC2020 | BNC2020 |
| 240943 | 2NC-VNGA160408LT BNC2020 | BNC2020 |
| 222458 | 2NC-VNGA160408 BNC2020 | BNC2020 |
| 240945 | 2NC-VNGA160412LT BNC2020 | BNC2020 |
| 222444 | 2NC-CCGW09T308WG BNC2020 | BNC2020 |
| 222445 | 2NC-CCGW09T308WH BNC2020 | BNC2020 |
| 222441 | 2NC-CCGW09T304WG BNC2020 | BNC2020 |
| 222450 | 2NC-DCGW11T304WG BNC2020 | BNC2020 |
| 222453 | 2NC-DCGW11T308WG BNC2020 | BNC2020 |
| 222442 | 2NC-CCGW09T304WH BNC2020 | BNC2020 |
| 222451 | 2NC-DCGW11T304WH BNC2020 | BNC2020 |
| 222454 | 2NC-DCGW11T308WH BNC2020 | BNC2020 |
| 222548 | 3NC-TCGW16T304 BNC2020 | BNC2020 |
| 283205 | 3NC-TCGW16T308 BNC2020 | BNC2020 |
| 240895 | 3NC-TNGA160402LT BNC2020 | BNC2020 |
| 240900 | 3NC-TNGA160404LT BNC2020 | BNC2020 |
| 222551 | 3NC-TNGA160408HS BNC2020 | BNC2020 |
| 240903 | 3NC-TNGA160408LT BNC2020 | BNC2020 |
| 284392 | 3NC-TNGA160412HS BNC2020 | BNC2020 |
| 240908 | 3NC-TNGA160412LT BNC2020 | BNC2020 |
| 232884 | 3NC-TNGA160416 BNC2020 | BNC2020 |
| 254886 | 3NC-TNGA160420 BNC2020 | BNC2020 |
| 254888 | 3NC-TNGA160424 BNC2020 | BNC2020 |
| 223931 | 3NC-TPGT110304N-FV BNC2020 | BNC2020 |
| 223932 | 3NC-TPGT110308N-FV BNC2020 | BNC2020 |
| 240910 | 3NC-TPGW080202 BNC2020 | BNC2020 |
| 240912 | 3NC-TPGW080204 BNC2020 | BNC2020 |
| 240914 | 3NC-TPGW090202 BNC2020 | BNC2020 |
| 240916 | 3NC-TPGW090204 BNC2020 | BNC2020 |
| 240918 | 3NC-TPGW110302LT BNC2020 | BNC2020 |
| 240921 | 3NC-TPGW110304LT BNC2020 | BNC2020 |
| 240924 | 3NC-TPGW110308LT BNC2020 | BNC2020 |
| 240947 | 3NC-WNGA080408LT BNC2020 | BNC2020 |
| 249905 | 4NC-CNGA120408WH BNC2020 | BNC2020 |
| 240849 | 4NC-CNGA120402 BNC2020 | BNC2020 |
| 240850 | 4NC-CNGA120404ES BNC2020 | BNC2020 |
| 251942 | 4NC-CNGA120404HS BNC2020 | BNC2020 |
| 222469 | 4NC-CNGA120404 BNC2020 | BNC2020 |
| 236320 | 4NC-CNGA120408ES BNC2020 | BNC2020 |
| 580032 | 4NC-CNGA120408HS BNC2020 | BNC2020 |
| 222472 | 4NC-CNGA120408 BNC2020 | BNC2020 |
| 240857 | 4NC-CNGA120412ES BNC2020 | BNC2020 |
| 229160 | 4NC-CNGA120412HS BNC2020 | BNC2020 |
| 222475 | 4NC-CNGA120412 BNC2020 | BNC2020 |
| 254876 | 4NC-CNGA120416 BNC2020 | BNC2020 |
| 225256 | 4NC-CNGA120420 BNC2020 | BNC2020 |
| 254879 | 4NC-CNGA120424 BNC2020 | BNC2020 |
| 222482 | 4NC-CNGG120404N-FV BNC2020 | BNC2020 |
| 222483 | 4NC-CNGG120404N-LV BNC2020 | BNC2020 |
| 222484 | 4NC-CNGG120408N-FV BNC2020 | BNC2020 |
| 222485 | 4NC-CNGG120408N-LV BNC2020 | BNC2020 |
| 222486 | 4NC-CNGG120408N-SV BNC2020 | BNC2020 |
| 222487 | 4NC-CNGG120412N-FV BNC2020 | BNC2020 |
| 222488 | 4NC-CNGG120412N-LV BNC2020 | BNC2020 |
| 222489 | 4NC-CNGG120412N-SV BNC2020 | BNC2020 |
| 240880 | 4NC-DNGA150402 BNC2020 | BNC2020 |
| 240881 | 4NC-DNGA150404ES BNC2020 | BNC2020 |
| 223940 | 4NC-DNGA150404 BNC2020 | BNC2020 |
| 240885 | 4NC-DNGA150408ES BNC2020 | BNC2020 |
| 243294 | 4NC-DNGA150408HS BNC2020 | BNC2020 |
| 240889 | 4NC-DNGA150412ES BNC2020 | BNC2020 |
| 223942 | 4NC-DNGA150412 BNC2020 | BNC2020 |
| 254881 | 4NC-DNGA150416 BNC2020 | BNC2020 |
| 254883 | 4NC-DNGA150420 BNC2020 | BNC2020 |
| 254885 | 4NC-DNGA150424 BNC2020 | BNC2020 |
| 222553 | 4NC-DNGA150604 BNC2020 | BNC2020 |
| 222554 | 4NC-DNGA150608 BNC2020 | BNC2020 |
| 222555 | 4NC-DNGA150612 BNC2020 | BNC2020 |
| 223943 | 4NC-DNGG150404N-FV BNC2020 | BNC2020 |
| 223946 | 4NC-DNGG150404N-LV BNC2020 | BNC2020 |
| 223944 | 4NC-DNGG150408N-FV BNC2020 | BNC2020 |
| 223947 | 4NC-DNGG150408N-LV BNC2020 | BNC2020 |
| 223949 | 4NC-DNGG150408N-SV BNC2020 | BNC2020 |
| 223945 | 4NC-DNGG150412N-FV BNC2020 | BNC2020 |
| 223948 | 4NC-DNGG150412N-LV BNC2020 | BNC2020 |
| 223950 | 4NC-DNGG150412N-SV BNC2020 | BNC2020 |
| 284389 | 4NC-DNGG150608N-LV BNC2020 | BNC2020 |
| 252963 | 4NC-DNGG150608N-SV BNC2020 | BNC2020 |
| 222565 | 4NC-DNGG150612N-LV BNC2020 | BNC2020 |
| 252955 | 4NC-DNGG150612N-SV BNC2020 | BNC2020 |
| 222478 | 4NC-SNGA120408 BNC2020 | BNC2020 |
| 222479 | 4NC-SNGA120412 BNC2020 | BNC2020 |
| 240939 | 4NC-VNGA160402 BNC2020 | BNC2020 |
| 240940 | 4NC-VNGA160404ES BNC2020 | BNC2020 |
| 222480 | 4NC-VNGA160404 BNC2020 | BNC2020 |
| 240942 | 4NC-VNGA160408ES BNC2020 | BNC2020 |
| 222481 | 4NC-VNGA160408 BNC2020 | BNC2020 |
| 240944 | 4NC-VNGA160412ES BNC2020 | BNC2020 |
| 231969 | 4NC-VNGA160412HS BNC2020 | BNC2020 |
| 222490 | 4NC-VNGG160404N-FV BNC2020 | BNC2020 |
| 222491 | 4NC-VNGG160404N-LV BNC2020 | BNC2020 |
| 222492 | 4NC-VNGG160408N-FV BNC2020 | BNC2020 |
| 222493 | 4NC-VNGG160408N-LV BNC2020 | BNC2020 |
| 222470 | 4NC-CNGA120404WG BNC2020 | BNC2020 |
| 222473 | 4NC-CNGA120408WG BNC2020 | BNC2020 |
| 222476 | 4NC-CNGA120412WG BNC2020 | BNC2020 |
| 233752 | 4NC-DNGA150404WG BNC2020 | BNC2020 |
| 258309 | 4NC-DNGA150408WG BNC2020 | BNC2020 |
| 284384 | 4NC-DNGA150604WG BNC2020 | BNC2020 |
| 223920 | 4NC-DNGA150608WG BNC2020 | BNC2020 |
| 285452 | 4NC-DNGA150612WG BNC2020 | BNC2020 |
| 222471 | 4NC-CNGA120404WH BNC2020 | BNC2020 |
| 222474 | 4NC-CNGA120408WH BNC2020 | BNC2020 |
| 222477 | 4NC-CNGA120412WH BNC2020 | BNC2020 |
| 223923 | 4NC-DNGA150608WH BNC2020 | BNC2020 |
| 240897 | 6NC-TNGA160402 BNC2020 | BNC2020 |
| 240898 | 6NC-TNGA160404ES BNC2020 | BNC2020 |
| 222494 | 6NC-TNGA160404 BNC2020 | BNC2020 |
| 240901 | 6NC-TNGA160408ES BNC2020 | BNC2020 |
| 243233 | 6NC-TNGA160408HS BNC2020 | BNC2020 |
| 222495 | 6NC-TNGA160408 BNC2020 | BNC2020 |
| 240904 | 6NC-TNGA160412ES BNC2020 | BNC2020 |
| 262717 | 6NC-TNGA160412HS BNC2020 | BNC2020 |
| 222242 | 6NC-TNGA160412 BNC2020 | BNC2020 |
| 248426 | 6NC-TNGA160416 BNC2020 | BNC2020 |
| 254887 | 6NC-TNGA160420 BNC2020 | BNC2020 |
| 254889 | 6NC-TNGA160424 BNC2020 | BNC2020 |
| 222508 | 6NC-TNGG160404N-FV BNC2020 | BNC2020 |
| 222509 | 6NC-TNGG160404N-LV BNC2020 | BNC2020 |
| 222510 | 6NC-TNGG160408N-FV BNC2020 | BNC2020 |
| 222511 | 6NC-TNGG160408N-LV BNC2020 | BNC2020 |
| 222512 | 6NC-TNGG160408N-SV BNC2020 | BNC2020 |
| 222513 | 6NC-TNGG160412N-FV BNC2020 | BNC2020 |
| 222514 | 6NC-TNGG160412N-LV BNC2020 | BNC2020 |
| 223939 | 6NC-TNGG160412N-SV BNC2020 | BNC2020 |
| 222567 | 6NC-WNGA080404 BNC2020 | BNC2020 |
| 222497 | 6NC-WNGA080408 BNC2020 | BNC2020 |
| 222568 | 6NC-WNGA080412 BNC2020 | BNC2020 |
| 223935 | 6NC-WNGA080408WG BNC2020 | BNC2020 |
| 223936 | 6NC-WNGA080408WH BNC2020 | BNC2020 |
| 222517 | NC-TCGW110202 BNC2020 | BNC2020 |
| 222520 | NC-TPGW080202 BNC2020 | BNC2020 |
| 222524 | NC-VBGW110202 BNC2020 | BNC2020 |
| 279760 | NC-TCGW090204 BNC2020 | BNC2020 |
| 222518 | NC-TCGW110204 BNC2020 | BNC2020 |
| 222522 | NC-TPGW110304 BNC2020 | BNC2020 |
| 222525 | NC-VBGW110204 BNC2020 | BNC2020 |
| 222516 | NC-TCGW090208 BNC2020 | BNC2020 |
| 222519 | NC-TCGW110208 BNC2020 | BNC2020 |
| 222523 | NC-TPGW110308 BNC2020 | BNC2020 |
| 222526 | NC-VBGW110208 BNC2020 | BNC2020 |
| 240950 | NC-ZNEX040102LT BNC2020 | BNC2020 |
| 278657 | NC-ZNEX040102 BNC2020 | BNC2020 |
| 240952 | NC-ZNEX040104LT BNC2020 | BNC2020 |
| 278671 | NC-ZNEX040104 BNC2020 | BNC2020 |