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刀具（铣刀·钻头·刀片·刀柄）
刀具是按牌号采购而不是按图采购：可转位刀片的价格取决于硬质合金基体牌号、涂层（PVD/CVD）、断屑槽型与精度等级。国产刀具在 ISO 标准刀片与整体硬质合金铣刀上已有明显成本优势，但高精度与重载工况仍常用日系/欧系牌号。
产业带
河南郑州——超硬材料与磨削基础；四川自贡、浙江台州一带——硬质合金坯料与刀片；江苏常州/深圳——成品数控刀具与刀柄
典型产品
材质
表面工艺
报价会引用的标准
规格参考表
| 参数项 | 需要约定的内容 |
|---|---|
| Grain size | 0.4–2.0 µm; finer grain for hardness, coarser for impact |
| Hardness / TRS | HRA 89–93; transverse rupture 2,500–4,000 MPa |
| Coating | TiN (general), TiAlN (steel), AlTiN/nano (hard milling & dry) |
| Tolerance class | End mill h6 / premium ±0.005 mm; runout ≤0.008 mm at 3xD |
| Chip breakers | FM / MM / MMF-type patterns per material group |
| Coolant | Through-coolant on carbide drills, internal-cooling optional |
| Test protocol | Declare workpiece material, cutting params and expected tool life in the PO |
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买家常见问题
How should I trial Chinese carbide inserts against my current brand?
Run them on the same machine with the same parameters on a declared workpiece, and measure tool life per insert plus built-up edge and dimensional drift, not just first-part appearance. Ask the supplier for the substrate grade and coating name in writing so a good result is repeatable across batches.
Are solid carbide end mills from China suitable for hardened steel?
For HRC 45–55 mould steel, coated fine-grain Chinese end mills work well at modest cost with conservative parameters. Above HRC 55, CBN or premium Western/Japanese grades still hold a life advantage; request the hardness range, grain size, coating and recommended parameters per model before committing.