mso-font-kerning:0.0000pt;"><font face="宋体">各段参数选正确,高效可靠应优先</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">加热保温和冷却,环环相扣不马虎</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">用钢成分有变化,影响相变要考虑</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">利用计算调参数,工艺可靠更适用</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">钢种类别要分清,合理选项更科学</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">加热温度颇重要,保温时间要充分</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">高合金钢要分段,缓慢加热有保障</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">过热欠热均不利,恰好需要多斟酌</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">保温时间要考虑,加热条件和状态</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">零件多少和壁厚,选择计算抓重点</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">氧化脱碳要控制,多种方法可选择</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">营造无氧是关键,最佳选择是真空</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">零件细长垂直放,薄壁更要防变形</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">截面突变要注意,加热冷却要防护</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">冷却大于临界值,获马氏体是根本</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">冷却掌握要得当,恰当止冷防开裂</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">确保硬度打基础,立即回火去应力</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">温度调整达硬度,钢种不同回火变</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">多次回火不可少,稳定尺寸保性能</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">钢有脆性需快冷,确保性能要记牢</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">硬度性能有依据,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">定量关系可换算</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">掌握科学编工艺,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">脚踏实地多实践</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">积累经验多总结,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">实用快捷更可靠</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"> </span></p>"/>
mso-font-kerning:0.0000pt;"><font face="宋体">各段参数选正确,高效可靠应优先</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">加热保温和冷却,环环相扣不马虎</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">用钢成分有变化,影响相变要考虑</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">利用计算调参数,工艺可靠更适用</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">钢种类别要分清,合理选项更科学</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">加热温度颇重要,保温时间要充分</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">高合金钢要分段,缓慢加热有保障</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">过热欠热均不利,恰好需要多斟酌</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">保温时间要考虑,加热条件和状态</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">零件多少和壁厚,选择计算抓重点</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">氧化脱碳要控制,多种方法可选择</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">营造无氧是关键,最佳选择是真空</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">零件细长垂直放,薄壁更要防变形</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">截面突变要注意,加热冷却要防护</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">冷却大于临界值,获马氏体是根本</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">冷却掌握要得当,恰当止冷防开裂</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">确保硬度打基础,立即回火去应力</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">温度调整达硬度,钢种不同回火变</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">多次回火不可少,稳定尺寸保性能</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><font face="宋体">钢有脆性需快冷,确保性能要记牢</font>.</span><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"><o:p></o:p></span></p><p class="p" style="margin: 0pt; text-indent: 0pt; padding: 0pt; line-height: 13.2pt;"><span style="font-family: 宋体; color: rgb(51, 51, 51); letter-spacing: 0.35pt; font-size: 14pt;"> </span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">硬度性能有依据,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">定量关系可换算</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">掌握科学编工艺,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">脚踏实地多实践</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;">积累经验多总结,</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:0.0000pt;"><font face="宋体">实用快捷更可靠</font>.</span><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal"><span style="mso-spacerun:´yes´;font-family:宋体;font-size:14.0000pt;
mso-font-kerning:1.0000pt;"> </span></p>"/>
工艺方法应优化,设备性能需掌握.
各段参数选正确,高效可靠应优先.
加热保温和冷却,环环相扣不马虎.
用钢成分有变化,影响相变要考虑.
利用计算调参数,工艺可靠更适用.
钢种类别要分清,合理选项更科学.
加热温度颇重要,保温时间要充分.
高合金钢要分段,缓慢加热有保障.
过热欠热均不利,恰好需要多斟酌.
保温时间要考虑,加热条件和状态.
零件多少和壁厚,选择计算抓重点.
氧化脱碳要控制,多种方法可选择.
营造无氧是关键,最佳选择是真空.
零件细长垂直放,薄壁更要防变形.
截面突变要注意,加热冷却要防护.
冷却大于临界值,获马氏体是根本.
冷却掌握要得当,恰当止冷防开裂.
确保硬度打基础,立即回火去应力.
温度调整达硬度,钢种不同回火变.
多次回火不可少,稳定尺寸保性能.
钢有脆性需快冷,确保性能要记牢.
硬度性能有依据,
定量关系可换算.
掌握科学编工艺,
脚踏实地多实践.
积累经验多总结,
实用快捷更可靠.