本文關(guān)鍵詞： 超細(xì)晶硬質(zhì)合金 芳綸纖維 鉆頭 鉆削力 鉆削溫度　出處：《復(fù)合材料學(xué)報(bào)》2017年10期 　論文類(lèi)型：期刊論文

【摘要】：采用超細(xì)晶硬質(zhì)合金鉆頭開(kāi)展了芳綸纖維增強(qiáng)樹(shù)脂基復(fù)合材料(Aramid Fiber Reinforce Polymer Composites,AFRP)的鉆削實(shí)驗(yàn),從鉆削力、鉆削溫度、制孔質(zhì)量、刀具磨損等方面對(duì)比分析了超細(xì)晶硬質(zhì)合金鉆頭與普通硬質(zhì)合金鉆頭的鉆削性能。實(shí)驗(yàn)結(jié)果表明:芳綸纖維增強(qiáng)樹(shù)脂基復(fù)合材料鉆削過(guò)程中,鉆削力隨進(jìn)給速度的增大而增大,隨主軸轉(zhuǎn)速的增大而減小,超細(xì)晶硬質(zhì)合金鉆頭的鉆削力比普通硬質(zhì)合金鉆頭降低了40.6%以上;鉆削溫度隨進(jìn)給速度的增大而減小,隨主軸轉(zhuǎn)速的增大而增大,相對(duì)普通硬質(zhì)合金鉆頭,采用超細(xì)晶硬質(zhì)合金鉆頭的鉆削溫度降低了47~85℃;超細(xì)晶硬質(zhì)合金鉆頭鉆削產(chǎn)生的拉毛和熱損傷明顯少于普通硬質(zhì)合金鉆頭;經(jīng)過(guò)長(zhǎng)時(shí)間的鉆削,普通硬質(zhì)合金鉆頭的jk刃和主切削刃出現(xiàn)了崩刃,后刀面出現(xiàn)了嚴(yán)重的磨料磨損;而超細(xì)晶硬質(zhì)合金鉆頭由于高硬度和高耐磨性等特性,刀具的磨損相對(duì)較小,適合于芳綸纖維增強(qiáng)樹(shù)脂基復(fù)合材料的高效低損傷加工。
[Abstract]:The ultrafine cemented carbide drill was carried out based on aramid fiber reinforced resin composite (Aramid Fiber Reinforce Polymer Composites, AFRP) of the drilling experiment, the drilling force, drilling temperature, drilling quality, tool wear and other aspects of a comparative analysis of ultra-fine grain cemented carbide drill with ordinary carbide drill drilling performance experimental results show that the aramid fiber reinforced resin matrix composite drilling process, drilling and cutting force increases with feed speed increases, decreases with the increase of spindle speed, ultrafine cemented carbide drill bit drilling force ordinary carbide drill is reduced by more than 40.6%; increasing the cutting temperature with drill feed speed decreases, increases with increasing spindle speed, relatively common cemented carbide drill, the ultrafine cemented carbide drill bit drilling temperature reduced 47~85 DEG C; ultrafine cemented carbide drill drilling production Galling and thermal damage is obviously less than that of common cemented carbide drill; after a long time of drilling, ordinary carbide drill JK edge and main cutting edge chipping appeared, flank wear abrasive appeared serious; and the ultrafine cemented carbide drill bit due to the characteristics of high hardness and high wear resistance, less wear of tool the aramid fiber reinforced for machining of composites.

【作者單位】： 湖南科技大學(xué)智能制造研究院;難加工材料高效精密加工湖南省重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金(51575179;51205126) 湖南省自然科學(xué)基金青年人才聯(lián)合培養(yǎng)項(xiàng)目(2017JJ3073;12JJB006)
【分類(lèi)號(hào)】：TG713.1;TQ327
【正文快照】： 網(wǎng)絡(luò)出版地址:www.cnki.net/kcms/detail/11.1801.TB.20170307.1351.004.html引用格式:伍俏平,劉平,鄧朝暉,等.基于超細(xì)晶硬質(zhì)合金鉆頭的AFRP鉆削性能[J].復(fù)合材料學(xué)報(bào),2017,34(10):2246-2253.WU Qiaoping,LIU Ping,DENG Zhaohui,et al.Drilling performance of ultrafine cem

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