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Our three EDM grades were especially developed for processing with electro-erosion (wire and sink erosion). They contain a corrosion inhibitor which protects them from pitting corrosion in the erosion bath. These grades ideally combine hardness and fracture toughness. They are optimized with regards to reducing the risk of tension cracks during the EDM process.
三個特別開發(fā)出來用于電火花加工的EDM 牌號，他們包含一種緩蝕劑，這可以保護他們電腐蝕。這三個牌號有良好的硬度和斷裂韌性，降低了在電火花加工過程中產(chǎn)生張力裂縫的風(fēng)險。
WC grain size medium, 2.5-3.5μm
WC 晶粒度∣介質(zhì)，2.5-3.5μm
Grade | Cobalt content %w/w | Properties and recommendations
|
RCR17 | 8.5 | Our hardest EDM grade is applied in punches and dies. It is used for punching thin foils and sheets of low toughness and for processing abrasive or soft materials.
用于沖孔和模具硬的牌號。它用于沖孔薄板和低韌性的材料，以及用來加工耐磨和軟材料。 |
RCR24 | 12.0 | The grade RCR24 with 12% cobalt shows a somewhat higher toughness than RCR17. It is the standard cemented carbide grade used in electro-erosion. Its application range corresponds approximately to the one of RM22. Somewhat thicker and tougher foils and sheets can also be punched.
與RCR17相比，RCR24具有較高的韌性。它是用于電蝕刻的標(biāo)準(zhǔn)硬質(zhì)合金牌號。其應(yīng)用范圍近似地對應(yīng)于RM22，也可以沖更厚和更硬的板。 |
RCR30 | 15.0 | For very large EDM blocks and plates, we have developed a special electro-erosion grade that contains a bit more cobalt and also has a slightly higher initial grain size of 3.5μm. The corrosion inhibitor has also been adjusted. This grade is characterized by a higher fracture toughness and reduces the risk of tension cracks significantly, even with asymmetrical erosion. The area of application is similar to that of RM30, whereby even thick, tough materials can be punched using RCR30
對于非常大的 EDM 板塊，我們開發(fā)了特殊的電蝕的牌號，這包含更多一點的鈷也有稍高的3.5μm晶粒尺寸，緩蝕劑也進行了調(diào)整。這種牌號的特點是高的斷裂韌性，顯著降低了張力裂縫的風(fēng)險，即使是與不對稱的蝕刻工況下。應(yīng)用領(lǐng)域是類似于RM30，這樣可以使用 RCR30 沖厚材料或者堅韌的材料。 |
The coarse grain grades have higher fracture toughness and thermal shock resistance in comparison to the finer grades with the same cobalt content.They are therefore well suited against impact stress. A primary area of application is in mining/road construction.
在同樣鈷含量情況下，粗顆粒牌號具有更高的斷裂韌性和抗熱震性。因此，這些牌號比較耐沖擊。應(yīng)用的主要領(lǐng)域是在礦山和公路建設(shè)。
WC grain size coarse, 5.5-6.5μm
WC 晶粒度 粗，5.5-6.5μm
Grade | Cobalt content %w/w | Properties and recommendations
|
RB14 | 7.0 | Application of this coarse grain grade for milling tools, deburrers, rollers, chisels and choppers in mining, road construction, concrete processing, ore mining and processing, crude oil production, recycling and steel manufacturing.
用做銑削工具，去毛刺機、軋輥、鑿子和砍刀。應(yīng)用領(lǐng)域為采礦、道路施工、混凝土加工、 采礦和加工、原油生產(chǎn)、回收和鋼鐵制造。 |
RB10 | 10.0 | Application of this coarse grain grade for milling tools, deburrers, rollers, chisels and choppers in mining, stone processing, road construction ,concrete processing, ore mining and processing, crude oil production, recycling and steel manufacturing. Alternative to RB14 if higher breaking resistance and impact resistance are required. Also used in punching tools for metal sheets of very high toughness.
用做銑削工具，去毛刺機、軋輥、鑿子和砍刀。應(yīng)用領(lǐng)域為采礦、石材加工、道路施工、 混凝土加工、采礦和加工、原油生產(chǎn)、回收和鋼鐵制造。在需要更高的斷裂阻力和抗沖擊性的情況下替代RB14。也用于沖特別高韌性的金屬板。 |
RB15-H | 15.0 | Fracture-resistant, impact-resistant coarse grain grade for shredders, hammer jaws, hammer tools, drawing tools for highly tough materials, hot wire rollers, chisels, pressing dies. Used in mining, road construction, waste processing and recycling, ore mining and processing, steel manufacturing, reshaping/forming technology. Also used in punching tools for metal sheets of very high toughness.
是抗斷裂、 抗沖擊的粗粒級的牌號。用于破碎機、錘爪、錘工具，拉深高韌性材料的模具、 熱拉拔模具、鑿子、沖壓模具。應(yīng)用領(lǐng)域為采礦、道路建設(shè)、廢物處理和回收、采礦和加工、鋼鐵制造、重塑/成形技術(shù)。也用于沖壓模具的非常高韌性的金屬板。 |
RB20-H | 22.0 | This carbide grade combines a high cobalt content with coarse WC grains. It is extremely break-resistant and impact-resistant. Used in cold and hot forming tools, in pressing dies and drawing tools, in the fabrication of rods, valves and springs made of highly tough steels, in hammer jaws and in shredders for scrap processing and recycling.
這種是高鈷含量的大晶粒度的牌號。它是非常耐破裂和耐沖擊。用于冷成型和熱成型工具，用于沖壓模具和拉深模具，用于制造中棒，閥門和高韌性鋼做的彈簧，用于錘爪和廢鋼回收的破碎機。 |
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