氮化表面硬度或深度不够
(1)可能是钢料化学成分不适合作氮化处理.
(2)可能是氮化处理前的组织不适合.
(3)可能是氮化温度过高或太低.
(4)炉中之温度或流气不均匀.
(5)氨气的流量不足.
(6)渗氮的时间不够长.
氮化工件弯曲很厉害
(1)氮化前的弛力退火处理没有做好.
(2)工件几何曲线设计不良,例如不对称、厚薄变化太大等因素.
(3)氮化中被处理的工件放置方法不对.
(4)被处理工件表面性质不均匀,例如清洗不均或表面温度不均等因素.
氮化工件发生龟裂剥离现象
(1)氨的分解率超过85%,可能发生此现象.
(2)渗氮处理前工件表面存在脱碳层.
(3)工件设计有明显的锐角存在.
(4)白层太厚时.
氮化工件的白层过厚
(1)渗氮处理的温度太低.
(2)氨的分解率低于15%时,可能发生此现象 .
(3)在冷却过程不恰当.
氮化处理时之氨分解率不稳定
(1)分解率测定器管路漏气.
(2)渗氮处理时装入炉内的工件太少 .
(3)炉中压力变化导致氨气流量改变.
(4)触媒作用不当.
工件需进行机械加工处如何防止渗碳?
(1)镀铜法,镀上厚度20mm以上的铜层.
(2)涂敷涂敷剂后乾燥,可使用水玻璃溶液中悬浮铜粉 .
(3)涂敷防碳涂敷剂后乾燥,主要使用硼砂和有机溶剂为主 .
(4)氧化铁和黏土混合物涂敷法 .
(5)利用套筒或套螺丝.
渗碳后工件硬度不足
(1)冷却速度不足,可利用喷水冷却或盐水冷却.
(2)渗碳不足,可使用强力渗碳剂.
(3)淬火温度不足.
(4)淬火时加热发生之脱碳现象所导致,可使用盐浴炉直接淬火.
渗碳层剥离现象
(1)含碳量之浓度坡度太大,应施以扩散退火.
(2)不存在中间层,应缓和渗碳的速率.
(3)过渗碳现象,可考虑研磨前次之渗碳层.
(4)反覆渗碳亦可能產生渗碳层剥离的现象.
Bewise Inc. www.tool-tool.com Reference source from the internet.
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BW Bewise Inc. Willy Chen willy@tool-tool.com bw@tool-tool.com www.tool-tool.com skype:willy_chen_bw mobile:0937-618-190 Head &Administration Office No.13,Shiang Shang 2nd St., West Chiu Taichung,Taiwan 40356 http://www.tool-tool.com / FAX:+886 4 2471 4839 N.Branch 5F,No.460,Fu Shin North Rd.,Taipei,Taiwan S.Branch No.24,Sec.1,Chia Pu East Rd.,Taipao City,Chiayi Hsien,Taiwan
Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users’ demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, its our pleasure to serve for you. BW product including: cutting tool、aerospace tool .HSS DIN Cutting tool、Carbide end mills、Carbide cutting tool、NAS Cutting tool、NAS986 NAS965 NAS897 NAS937orNAS907 Cutting Tools,Carbide end mill、disc milling cutter,Aerospace cutting tool、hss drill’Фрезеры’Carbide drill、High speed steel、Compound Sharpener’Milling cutter、INDUCTORS FOR PCD’CVDD(Chemical Vapor Deposition Diamond )’PCBN (Polycrystalline Cubic Boron Nitride) ’Core drill、Tapered end mills、CVD Diamond Tools Inserts’PCD Edge-Beveling Cutter(Golden Finger’PCD V-Cutter’PCD Wood tools’PCD Cutting tools’PCD Circular Saw Blade’PVDD End Mills’diamond tool. INDUCTORS FOR PCD . POWDER FORMING MACHINE ‘Single Crystal Diamond ‘Metric end mills、Miniature end mills、Специальные режущие инструменты ‘Пустотелое сверло ‘Pilot reamer、Fraises’Fresas con mango’ PCD (Polycrystalline diamond) ‘Frese’POWDER FORMING MACHINE’Electronics cutter、Step drill、Metal cutting saw、Double margin drill、Gun barrel、Angle milling cutter、Carbide burrs、Carbide tipped cutter、Chamfering tool、IC card engraving cutter、Side cutter、Staple Cutter’PCD diamond cutter specialized in grooving floors’V-Cut PCD Circular Diamond Tipped Saw Blade with Indexable Insert’ PCD Diamond Tool’ Saw Blade with Indexable Insert’NAS tool、DIN or JIS tool、Special tool、Metal slitting saws、Shell end mills、Side and face milling cutters、Side chip clearance saws、Long end mills’end mill grinder’drill grinder’sharpener、Stub roughing end mills、Dovetail milling cutters、Carbide slot drills、Carbide torus cutters、Angel carbide end mills、Carbide torus cutters、Carbide ball-nosed slot drills、Mould cutter、Tool manufacturer.
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豊富なパリエーションを満足させ、特にハイテク品質要求にサポート致します。
弊社は各領域に供給できる内容は:
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(4)オートメーション整備調達
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Bewise Inc. talaşlı imalat sanayinde en fazla kullanılan ve üç eksende (x,y,z) talaş kaldırabilen freze takımlarından olan Parmak Freze imalatçısıdır. Çok geniş ürün yelpazesine sahip olan firmanın başlıca ürünlerini Karbür Parmak Frezeler, Kalıpçı Frezeleri, Kaba Talaş Frezeleri, Konik Alın Frezeler, Köşe Radyüs Frezeler, İki Ağızlı Kısa ve Uzun Küresel Frezeler, İç Bükey Frezeler vb. şeklinde sıralayabiliriz.
BW специализируется в научных исследованиях и разработках, и снабжаем самым высокотехнологичным карбидовым материалом для поставки режущих / фрезеровочных инструментов для почвы, воздушного пространства и электронной индустрии. В нашу основную продукцию входит твердый карбид / быстрорежущая сталь, а также двигатели, микроэлектрические дрели, IC картонорезальные машины, фрезы для гравирования, режущие пилы, фрезеры-расширители, фрезеры-расширители с резцом, дрели, резаки форм для шлицевого вала / звездочки роликовой цепи, и специальные нано инструменты. Пожалуйста, посетите сайт www.tool-tool.com для получения большей информации.
BW is specialized in R&D and sourcing the most advanced carbide material with high-tech coating to supply cutting / milling tool for mould & die, aero space and electronic industry. Our main products include solid carbide / HSS end mills, micro electronic drill, IC card cutter, engraving cutter, shell end mills, cutting saw, reamer, thread reamer, leading drill, involute gear cutter for spur wheel, rack and worm milling cutter, thread milling cutter, form cutters for spline shaft/roller chain sprocket, and special tool, with nano grade. Please visit our web www.tool-tool.com for more info.
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