代号
Code |
种类
Type |
特点
Features |
用途
Usage |
| A |
棕刚玉
Brown fused alumina |
硬度高，韧性大 High hardness and toughness |
适用于中高抗张强度金属材料的磨削，如一般碳素钢，合金管，可锻铸铁，硬青铜
It is suitable for grinding medium and high tensile strength metal such as ordinary carbon steel, alloy steels, malleable cast iron, hard bronze, etc.
|
| WA |
白刚玉
White fused alumina |
硬度高于棕刚玉，磨粒易破裂，棱角锋利，切削性能好，磨削热量小
Its hardness is higher than that of its grains are easily broken. The edges of the grains are sharp and of excellent cutting performance . Only small quantity of heat is created in use. |
适用于材料较硬，热敏感性较大的钢材的磨削，如淬火钢，高碳钢，一般高速钢，合金钢等的磨削。主要用于工具，刃具，模具，齿轮，螺纹，薄壁零件的磨削及成型磨削。
It is used for grinding harder material and metals sensitive to heat such as chilled steel, high carbon steel, ordinary high speed steel. It is mainly suitable for the grinding and forming grinding of instruments, cutting tools, mouldings, gears, threads, thin-wall parts , etc.
|
| PA |
铬刚玉
Pink fused alumina |
硬度与白刚玉相近，韧性比白刚玉高，磨粒切削刃锋利，棱角保持性好，耐用度较高
|
适用于淬火钢，合金钢刀具及工件的磨削，5及仪表零件的精密磨削，也适用于成型磨削
|
| SA |
单晶刚玉
Monocrystalline fused alumina |
与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎性较强
Its hardness is higher than that of A and WA. It grains are ball-shaped single crystals with outstanding multi-corner edges and strong impact strength, etc.
|
适用于不锈钢，高钒高速钢等硬度高，韧性大及易变形，易烧伤工件的磨削
It is suitable for the grinding of stainless steel, high vanadium-high speed steel and the workpieces in high toughness and being easily-deformed and burnt.
|
| MA |
微晶刚玉
Microcrystalline fused alumina |
磨粒由微小晶体组成，韧性大，强度高，磨粒自锐性好
Its grains are composed of small crystals in high toughness and strong strength and of excellent self-sharpening performance.
|
适用于轴承钢，不锈钢和特种球墨铸铁的磨削。用于成型磨，切入磨合其他精密磨削
It is suitable for the grinding of ball-bearings steel and special nodular cast iron as well as forming grinding ,infeeding grinding and other precision grinding, etc
|
| A/WA |
棕白混合磨料
Mixture of A and WA |
具有棕，白刚玉两者的优点
It possesses the advantages of both A and WA.
|
适用于球墨铸铁曲轴，凸轮轴等工件的磨削及其他磨削
It is suitable for the grinding of nodular cast iron crankshaft , cam shafts and other workpieces .
|
| GC |
绿碳化硅
Green silicon carbide |
硬度高，脆性大，磨粒锋利，导热性好
It is in high hardness and brittle. Its grain edges are sharp and it is of excellent capacity of heat-transmission.
|
适用于硬质合金刀具，工件及有色金属，非金属等的磨削
It is suitable for the grinding of cutting tools and workpieces of hard alloy, and non-ferrous metal and non-metal materials ,etc.
|
| C |
黑碳化硅
Black silicon carbide |
硬度高，性脆，磨粒锋利，具有一定的导热性
It is in high hardness and brittle. Its grain edges are sharp and it is of a certain capacity of heat-transmission.
|
适用于有色金属及非金属的磨削
It is suitable for the grinding of non-ferrous and non-metal materials.
|
| SG |
微晶陶瓷
Microcrystalline ceramics |
比普通AI203磨粒磨耗比高，保形性好，表面质量好，球状纳米级晶体
Higher than ordinary AI203 abrasive wear ratio, shape retention is good, good surface quality, spherical nanometer crystal
|
适用于精密，成型等高端产品磨削
Suitable for grinding precision, molding high-end products.
|