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天佑 PCD 金刚石拉丝模芯，采用天佑 JSDM 系列金刚石微粉搭配结合剂，经高温高压工艺烧结制成。烧结过程中金刚石微晶之间形成高强度金刚石键，将金刚石微粉颗粒紧密结合，形成聚晶金刚石（PCD）材料。
天佑 PCD 金刚石拉丝模芯兼具超高耐磨性、高硬度与优异导热性能，同时拥有良好的机械强度与韧性。可用于拉制铜、铝、镍、钨等有色金属，以及不锈钢、各类合金线材、棒材、管材。模具磨损均匀，长期生产尺寸稳定，有效降低断线率，大幅延长模具使用寿命。
天佑PCD拉丝模坯料分为TCD、CD和SD三大系列，根据拉丝应用的需要，每种系列均有1微米、3微米、5微米、10微米、15微米及20微米等粒度的拉丝模坯供用户选用。
| ADDMA 名称 | 产品代号 | 尺 寸（mm） | 粒 度（μm） | 示意图 | ||||||||
| 模坯 外径 ΦD | 金刚石直径 Φd | 金刚石厚度 T | 最大推荐孔径 |  |  |  |  |  |  | |||
| 1 | 3 | 5 | 10 | 15 | 25 | |||||||
| TCD系列（圆形） |  | |||||||||||
| T12 | TCD4015 | 8.12 | 4.0 | 1.5 | 1.0 | ○ | ● | ● | ● | ● | ● | |
| T15 | TCD4023 | 8.12 | 4.0 | 2.3 | 1.8 | ○ | ● | ● | ● | ● | ● | |
| T18 | TCD4029 | 8.12 | 4.0 | 2.9 | 2.3 | ○ | ● | ● | ● | ● | ● | |
| T21 | TCD7040 | 13.65 | 7.0 | 4.0 | 3.5 | ﹣ | ● | ● | ● | ● | ● | |
| T24 | TCD7053 | 13.65 | 7.0 | 5.3 | 4.6 | ﹣ | ● | ● | ● | ● | ● | |
| T27 | TCD13086 | 24.13 | 13.0 | 8.6 | 5.8 | ﹣ | ﹣ | ● | ● | ● | ● | |
| T30 | TCD130116 | 24.13 | 13.0 | 11.6 | 7.8 | ﹣ | ﹣ | ○ | ● | ● | ● | |
| T31 | TCD150120 | 24.13 | 15.0 | 12.0 | 9.0 | ﹣ | ﹣ | ﹣ | ○ | ● | ● | |
| T33 | TCD150150 | 26.80 | 15.2 | 15.0 | 10 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | |
| T33 | TCD180150 | 29.00 | 18.5 | 15.0 | 11 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | |
| TCD180180 | 29.00 | 18.5 | 18.0 | 12 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | ||
| T36 | TCD230150 | 34.00 | 23.0 | 15.0 | 13 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | |
| TCD250180 | 36.00 | 25.0 | 18.0 | 14 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | ||
| TCD300200 | 41.00 | 30.0 | 20.0 | 16 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | ||
| TCD400200 | 51.00 | 40.0 | 20.0 | 18 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | ||
| CDR系列（圆形） |  | |||||||||||
| D6 | CDR2510 | 2.5 | 1.0 | 0.4 | ○ | ● | ● | ● | ● | ● | ||
| D12 | CDR3215 | 3.2 | 1.5 | 1.0 | ○ | ● | ● | ● | ● | ● | ||
| D15 | CDR5225 | 5.2 | 2.5 | 1.5 | ○ | ● | ● | ● | ● | ● | ||
| D18 | CDR5235 | 5.2 | 3.5 | 2.0 | ○ | ● | ● | ● | ● | ● | ||
| D21 | CDR8040 | 8.0 | 4.0 | 3.0 | ﹣ | ● | ● | ● | ● | ● | ||
| D24 | CDR9853 | 9.8 | 5.3 | 4.0 | ﹣ | ● | ● | ● | ● | ● | ||
| D27 | CDR13085 | 13.0 | 8.5 | 5.0 | ﹣ | ﹣ | ○ | ● | ● | ● | ||
| D30 | CDR160120 | 16.0 | 12.0 | 7.0 | ﹣ | ﹣ | ○ | ● | ● | ● | ||
| D33 | CDR180120 | 18.0 | 12.0 | 8.0 | ﹣ | ﹣ | ○ | ● | ● | ● | ||
| D33 | CDR180150 | 18.0 | 15.0 | 8.5 | ﹣ | ﹣ | ○ | ● | ● | ● | ||
| CDR220100 | 22.0 | 10.0 | 9.0 | ﹣ | ﹣ | ○ | ● | ● | ● | |||
| CDR220120 | 22.0 | 12.0 | 9.5 | ﹣ | ﹣ | ○ | ● | ● | ● | |||
| D36 | CDR230150 | 23.0 | 15.0 | 10.0 | ﹣ | ﹣ | ○ | ● | ● | ● | ||
| CDR240120 | 24.0 | 12.0 | 10.0 | ﹣ | ﹣ | ○ | ● | ● | ● | |||
| CDR240140 | 24.0 | 14.0 | 10.5 | ﹣ | ﹣ | ○ | ● | ● | ● | |||
| CDR300200 | 30.0 | 20.0 | 12.0 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | |||
| CDR400200 | 40.0 | 20.0 | 14.0 | ﹣ | ﹣ | ﹣ | ﹣ | ● | ● | |||
| CDH系列（方形） |  | |||||||||||
| D6 | CDH2510 | 2.5 | 1.0 | 0.4 | ○ | ● | ● | ● | ● | ● | ||
| D12 | CDH3215 | 3.2 | 1.5 | 1.0 | ○ | ● | ● | ● | ● | ● | ||
| D15 | CDH5225 | 5.2 | 2.5 | 1.5 | ○ | ● | ● | ● | ● | ● | ||
| D18 | CDH5235 | 5.2 | 3.5 | 2.0 | ○ | ● | ● | ● | ● | ● | ||
| SDR系列（圆形） |  | |||||||||||
| SDR220140 | 22.0 | 14.0 | 11.0 | - | - | - | - | ● | ● | |||
| SDR240160 | 24.0 | 16.0 | 12.0 | - | - | - | - | ● | ● | |||
| SDR260160 | 26.0 | 16.0 | 13.0 | - | - | - | - | ● | ● | |||
| SDR280160 | 28.0 | 16.0 | 14.0 | - | - | - | - | ● | ● | |||
| SDR300180 | 30.0 | 18.0 | 15.0 | - | - | - | - | ● | ● | |||
| SDR320180 | 32.0 | 18.0 | 16.0 | - | - | - | - | ● | ● | |||
