Based on this result, and combined with mathematical models for describing the quenching process, the temperature, microstructure and stress field in quenching process were simulated by the FDM, the variation of microstructure and stress in quenching process was analyzed, and effect of the carburization on them was also analyzed.

基于滲碳模擬結(jié)果日韩主播欧美精品视频，根據(jù)描述淬火過程的數(shù)學(xué)模型，利用有限元法對(duì)試樣淬火過程的溫度場(chǎng)、組織場(chǎng)及應(yīng)力場(chǎng)進(jìn)行了數(shù)值模擬免费一级在线欧美视频网站，分析了淬火過程中組織和內(nèi)應(yīng)力變化，及滲碳過程對(duì)淬火過程組織及應(yīng)力變化的影響久久AV老司机精品网站导航。

Main applicability: Welding of the miamond knife head, the carbide alloy saw bit , machine work use carbide alloy cutter welding, if the cutting tool welding such as miamond cutter , drilling tool , lathe tool , shaper tool , milling cutter , broach; Standard piece , hot bolt rammer, if high-strength bolt , nut etc.; Hardware implement , handwork implement heat treatment, if tongs , spanner , whorl utensil , hammer , axe; The accessory high frequency quenching sells the various automobile accessory , motorcycle at reduced prices, such as: Crank shaft , connecting rod , wrist pin , crank pin , sprocket , axial cam , air valve , various rocker arm , rockshaft; Within speed change box, the various gear wheel , castellated shaft , biography prop up high frequency quenching treatment such as half axes , various small axis , various shift fork; The part heat treatment , the high frequency quenching that the gear wheel , sprocket , various axis , castellated shaft , pin wait for if various handle metal; Mssingle of face slide way quenching sells machine tool industry machine at reduced prices waiting.

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With the rapid development of computer technology and increasing requirements of hardening quality, the computer simulation of quenching process has attracted more and more attentions and become indispensably important means of the present quenching process research and technological design.

隨著計(jì)算機(jī)技術(shù)的迅速發(fā)展和人們對(duì)淬火質(zhì)量的要求越來越高亚洲色天堂网，淬火過程的計(jì)算機(jī)模擬越來越受到人們的重視，已成為當(dāng)今淬火過程研究和淬火工藝設(shè)計(jì)中必不可少的重要方法。

The oil-quenching tank uses the steel plate structure, has the square shape, the rectangle, the circular, in the fuel tank the installment has the electric heating tube, outside the trough the installment has the oil pump, the stainless steel disc heat interchanger, the automatic oil constant temperaturecontrols the warm cabinet, its principle of work: When the work piece enters fuel tank quenching to cause frequently the oil temperature elevates, the oil pump starts to work, sucks in the stainless steel disc heat interchanger fuel tank's in high temperature oil, this time cools the circulating waterto put through automatically, carries on the heat transfer through disc heat interchanger's multi-layer stainless steel plate trough, causes the quenching oil which the process cools to return to the oil-quenching tank again, so moves back and forth the circulation, achieves the fuel tank to decreasetemperature the goal.

淬火油槽采用鋼板結(jié)構(gòu)欧美一级欧美，有方形人人射人人操人人干、長(zhǎng)方形、圓形在线观看一级视频免费，油槽內(nèi)安裝有電加熱管日韩欧美一级A片免费观看视频，槽外安裝有抽油泵、不銹鋼板式換熱器玖玖视屏免费在线观看，自動(dòng)油恒溫控溫柜欧美最新性交，其工作原理：當(dāng)工件頻繁進(jìn)入油槽淬火引起油溫升高時(shí)，油泵開始工作niuav25.com，將油槽內(nèi)的高溫油抽入不銹鋼板式換熱器黄网站男人永久免费，此時(shí)冷卻循環(huán)水自動(dòng)接通，通過板式換熱器的多層不銹鋼板槽進(jìn)行換熱亚洲性爱视频网，使經(jīng)過冷卻的淬火油再返回淬火油槽美女插入网站，如此往復(fù)循環(huán)，達(dá)到油槽降溫目的亚洲一区色图小说。

The quenching oil trough uses the steel plate structure, has the square shape, the rectangle, the rotundity, the electric heating tube installed in the fuel trough , the oil pump and stainless steel disc heat interchanger installed outside of the trough, the automatic oil constant and controlling temperaturetank, its principle of work: When the work piece enters fuel trough quenching to cause frequently the oil temperature elevates, the oil pump starts to work, sucks in the stainless steel disc heat interchanger fuel tank's in high temperature oil, this time cools the circulating water to put through automatically,carries on the heat transfer through disc heat interchanger's multi-layer stainless steel plate trough, causes the quenching oil which the process cools to return to the oil-quenching tank again, so moves back and forth the circulation, achieves the fuel tank to decrease temperature the goal. When the

淬火油槽采用鋼板結(jié)構(gòu)，有方形中文字幕大在线、長(zhǎng)方形欧美性爱日逼、圓形，油槽內(nèi)安裝有電加熱管国产720刺激在线视频，槽外安裝有抽油泵http//www.色.com日本、不銹鋼板式換熱器，自動(dòng)油恒溫控溫柜天堂官方无码wwwwww，其工作原理：當(dāng)工件頻繁進(jìn)入油槽淬火引起油溫升高時(shí)直接黄色视频，油泵開始工作，將油槽內(nèi)的高溫油抽入不銹鋼板式換熱器玖玖爱免费视频在线播放，此時(shí)冷卻循環(huán)水自動(dòng)接通美女视频黄频a美女，通過板式換熱器的多層不銹鋼板槽進(jìn)行換熱，使經(jīng)過冷卻的淬火油再返回淬火油槽午夜性一级视频，如此往復(fù)循環(huán)一级少妇视频，達(dá)到油槽降溫目的。

The oil-quenching tank uses the steel plate structure, has the square shape, the rectangle, the circular, in the fuel tank the installment has the electric heating tube, outside the trough the installment has the oil pump, the stainless steel disc heat interchanger, the automatic oil constant temperature controls the warm cabinet, its principle of work: When the work piece enters fuel tank quenching to cause frequently the oil temperature elevates, the oil pump starts to work, sucks in the stainless steel disc heat interchanger fuel tank's in high temperature oil, this time cools the circulating water to put through automatically, carries on the heat transfer through disc heat interchanger's multi-layer stainless steel plate trough, causes the quenching oil which the process cools to return to the oil-quenching tank again, so moves back and forth the circulation, achieves the fuel tank to decrease temperature the goal.

淬火油槽采用鋼板結(jié)構(gòu)67色国产欧美，有方形国产一级A片嘿咻嘿咻、長(zhǎng)方形、圓形狠狠艹av，油槽內(nèi)安裝有電加熱管人人干人人艹超碰，槽外安裝有抽油泵、不銹鋼板式換熱器，自動(dòng)油恒溫控溫柜黄片污A片在线观看欧美，其工作原理：當(dāng)工件頻繁進(jìn)入油槽淬火引起油溫升高時(shí)第一页自拍偷拍，油泵開始工作，將油槽內(nèi)的高溫油抽入不銹鋼板式換熱器欧美国产综合几欧美视频，此時(shí)冷卻循環(huán)水自動(dòng)接通黄色视频插，通過板式換熱器的多層不銹鋼板槽進(jìn)行換熱，使經(jīng)過冷卻的淬火油再返回淬火油槽免费黄图视频A片，如此往復(fù)循環(huán)久久精品官网，達(dá)到油槽降溫目的。

The author searched a good quencher way to adapt to the quencher place and other places that jointing very thin and weak of those single batch hardware through the several testings of quencher to armature of clutch .

通過對(duì)形狀稍復(fù)雜的離合器爪部進(jìn)行淬火的幾種方法的嘗試欧美肏，找到一種行之有效的淬火方法超碰在线免费网址，該方法特別適用于淬火部位和零件其它部位連接部分較薄的單件小批量零件的淬火。

The contact fatigue strength was measured after the 20CrNi2Mo and 15CrNi6 steel used asdragging gear on quasi high speed locomotive was carburized and quenched as well as peened,com-pared with that of 20CrMnMo steel.The results shown that the contact fatigue strength limits of thesethree types of steel carburized and quenched essentially same,and the contact fatigue strength Iimit hasbeen increased by 5 porcent after peening,and that the failure appoarances of all contact fatiguespecimen were delamination ...

對(duì)20CRrNi2Mo天天操操操、15CrNi6及20CrMnMo滲碳淬火齒輪及15CrNi6滲碳淬火＋噴丸處理齒輪進(jìn)行了彎曲疲勞試驗(yàn)曰本啪啪啪网址，介紹了齒輪試件的設(shè)計(jì)與加工、試驗(yàn)裝置與夾具免费看在线黄网、試驗(yàn)方法及試驗(yàn)數(shù)據(jù)的統(tǒng)計(jì)處理国产日本三级视频，試驗(yàn)結(jié)果表明，20CrNi2Mo和15CrNi6滲碳淬火齒輪在R＝0.99時(shí)的σFlim分別為530MPa和375MPa一级毛片无码视频在线播放，與20CrMnMo滲碳淬火齒輪相比九九精品在线视频在线观看，彎曲疲勞強(qiáng)度分別提高80％和27％。15CrNi6經(jīng)滲碳淬火＋噴丸處理齒輪在R＝0.99時(shí)的σFlim為490MPaa级毛片200禁在线观看，比未噴丸處理者提高30％美国黄色视频免费观看。

As for bright quenching oil, the directivity of oil flow is very significant in the quenching tank and its effective quenching zone is much narrower than water because its kinematic viscosity is much bigger than the latter.

光亮淬火油在淬火槽內(nèi)的流動(dòng)方向性非常強(qiáng)，它在淬火槽中的有效淬火區(qū)域比水的狹窄得多人人草人人插，這是因?yàn)楣饬?strong>淬火油的運(yùn)動(dòng)粘度比水大得多99久久精品无码专区。

Common salt bath quenching process are quenched martensite classification quenching, Austempering, surface quenching and partial quenching, etc..

常見的淬火工藝有鹽浴淬火，馬氏體分級(jí)淬火欧美激情综合在线三区，貝氏體等溫淬火国内外黄片二级，表面淬火和局部淬火等。

quenching crack：淬火裂痕

quench hardening 淬火 | quenching crack 淬火裂痕 | quenching distortion 淬火變形

quenching distortion：淬火變形

quenching crack 淬火裂痕 | quenching distortion 淬火變形 | quenching stress 淬火應(yīng)力

quenching distortion：淬火變型

quenching crack 淬火裂痕 | quenching distortion 淬火變型 | quenching stress 淬火應(yīng)力

flame hardening：火焰淬火 火炎焼入

carburization quenching 滲碳淬火 浸炭焼入れ(しんたんやきいれ) | flame hardening 火焰淬火 火炎焼入れ(かえんやきいれ) | high frequency quenching 高頻淬火 高周波焼入れ(こうしゅうはやきいれ)

quench hardening：淬火

quench ageing 淬火老化 | quench hardening 淬火 | quenching crack 淬火裂痕

quench hardening：淬火硬化

淬火裂痕 quench crack | 淬火硬化 quench hardening | 淬火 quenching

water quenching：水冷淬火

water hardening水冷淬火 | water quenching水冷淬火 | isothermal hardening等溫淬火

quenching stress：淬火應(yīng)力,驟冷應(yīng)力

quenching strain 淬火變形,淬火應(yīng)變 | quenching stress 淬火應(yīng)力,驟冷應(yīng)力 | quenching system 冷風(fēng)系統(tǒng)

regenerative quenching：再生淬火, 復(fù)式淬火, (滲碳件的)二次淬火

arch drain 拱形排水溝 | regenerative quenching 再生淬火, 復(fù)式淬火, (滲碳件的)二次淬火 | flammulation 紅色斑紋(條紋)

isothermal quenching bath：等溫淬火熔爐,專用于等溫淬火的低溫熔爐

isothermal quenching || 等溫淬火 | isothermal quenching bath || 等溫淬火熔爐,專用于等溫淬火的低溫熔爐 | isothermal region || 等溫區(qū)