مشخصات و موارد استفاده از ساینده های کوراندوم در چین در جدول 1-1-3 نشان داده شده است.
| انواع کوراندوم | ویژگی ها | استفاده کنید |
| کوراندوم قهوه ای | ظاهر کوراندوم قهوه ای برای رنگ قهوه ای، ترکیب شیمیایی اصلی Al2O3 است، محتوای آن در 94.5٪ ~ 97٪، با سختی بالا، چقرمگی، ذرات تیز، ویژگی های قیمت نسبتا پایین، مناسب برای سنگ زنی فلز با استحکام کششی بالا، در غیاب موارد دیگر. ساینده ها، به طور کلی می توانند با آن جایگزین شوند. | به طور گسترده ای در سنگ زنی خشن فولاد معمولی مانند: فولاد کربنی، فولاد آلیاژی عمومی، چدن چکش خوار، برنز سخت و غیره استفاده می شود. ساینده های ثانویه کوراندوم قهوه ای اغلب به عنوان چرخ های آسیاب برنج، چرخ های آسیاب برش رزین، کاشی سنباده استفاده می شود. ، سمباده، سمباده و غیره |
| کوراندوم سفید | سختی کوراندوم سفید کمی بالاتر از کوراندوم قهوه ای است، اما چقرمگی آن کمی بدتر است، و برش قطعه کار هنگام برش آسان است، خود تیز شدن بهتر است، تولید گرما کم است، توانایی سنگ زنی قوی است. ، راندمان بالا است و قیمت آن بالاتر از کوراندوم قهوه ای است | این مناسب برای سنگ زنی فولاد با سختی بالا، مانند فولاد با سرعت بالا، فولاد کربن تجاری، فولاد کوئنچ، فولاد آلیاژی و غیره است. |
| کوراندوم تک کریستالی | ذرات ساینده کوراندوم تک کریستالی از یک کریستال تشکیل شده اند و دارای لبه برش چند منشوری خوب، سختی و چقرمگی بالا، توانایی سنگ زنی قوی، حرارت کمتر آسیاب هستند، عیب آن این است که هزینه تولید بالاتر است، ضایعات وجود دارد. گاز و فاضلاب تولید می شود و خروجی آن کم است. | با توجه به اینکه ساینده های کوراندوم تک کریستالی با توجه به اینکه ساینده های کوراندوم تک کریستالی توسط شرایط تولید محدود می شوند، می توان از آن برای آسیاب سخت و چقرمگی مواد فلزی سخت مانند فولاد ضد زنگ، فولاد با سرعت بالا وانادیوم، فولاد آلیاژی مقاوم در برابر حرارت و تغییر شکل آسان، آسان سوزاندن قطعات استفاده کرد. به طور کلی فقط برای سنگ زنی آلیاژهای مقاوم در برابر حرارت و مواد فلزی سایش سخت توصیه می شود. |
| کوراندوم میکرو کریستالی | این متعلق به انواع مشتقات کوراندوم قهوه ای است، رنگ ظاهری و ترکیب شیمیایی شبیه به کوروندم قهوه ای است، که با اندازه کریستال کوچک (50 ~ 280 / میکرومتر)، چقرمگی دانه ساینده خوب، استحکام بالا و خود تیز شوندگی خوب مشخص می شود. | برای سنگ زنی فولاد ضد زنگ، فولاد کربن، چدن توپی و غیره مناسب است و روش سنگ زنی برای فرم دهی، آسیاب برش، سنگ زنی ریز و سنگ زنی سنگین مناسب است. |
| کروندوم کروم | این نوعی مشتق شده از کوراندوم سفید است، با ظاهر گل رز، سختی مشابه با کوراندوم سفید، چقرمگی کمی بالاتر از کوراندوم سفید و استحکام بالا، عملکرد آسیاب خوب و دقت آسیاب بالا. ساینده های ساخته شده از این ساینده شکل خوبی دارند | محدوده کاربرد مشابه کوراندوم سفید است، به ویژه برای سنگ زنی ریز و سنگ زنی ابزارهای مختلف، ابزار اندازه گیری و قطعات ابزار مناسب است. به طور کلی، کروندوم کروم دارای خواص آسیاب بهتری نسبت به کوراندوم سفید است |
| کوراندوم زیرکونیوم | زیرکونیوم کوراندوم عبارتند از: α-Al2O3 و Al2O3-ZrO2: ترکیبات متشکل از هم کریستالی، که با سختی کمی کمتر، اما ارزش چقرمگی زیاد، استحکام بالا، معمولاً اندازه کریستال نازک تر، مقاومت در برابر سایش خوب مشخص می شوند. | ساینده های زیرکونیوم کوراندوم خارجی عمدتا برای سنگ زنی سنگین، مناسب برای سنگ زنی فولاد آلیاژی مقاوم در برابر حرارت، فولاد آلیاژی Qin و فولاد ضد زنگ آستنیتی استفاده می شود. |
| کوراندوم متخلخل | با مواد ریز بوکسیت یا پودر آلومینیوم اکسید پخته می شود که با چقرمگی خوب مشخص می شود، می توان آن را به اشکال و اندازه های مختلف دانه های ساینده تبدیل کرد. |
این عمدتا برای چرخ های سنگ زنی سنگ زنی سنگین، مناسب برای سنگ زنی شمش های فولاد ضد زنگ و غیره استفاده می شود. |
| یشم استیل مشکی | به گونه ای مشتق از کوراندوم قهوه ای تعلق دارد و ظاهری سیاه دارد. با محتوای کم Al2O3 و وجود مقدار مشخصی Fe2O3 (حدود 10٪) مشخص می شود، بنابراین سختی کم است اما چقرمگی خوب است. | بیشتر برای آسیاب آزاد مانند سنگ زنی یا سنگ زنی خشن قبل از آبکاری محصولات استفاده می شود و همچنین برای ساخت ساینده های روکش دار استفاده می شود. ورق های برش رزین، بلوک های پولیش و غیره |
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