szh119221 发表于 2006-11-16 23:14:18

y38-1刀架修理技术要求

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 127.6pt; TEXT-ALIGN: left; mso-char-indent-count: 6.38; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 20pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN>&nbsp;</P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 20pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN"><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN">1)主轴前轴承刮研点不均匀,在轴承长度上中间硬.两头软,造成滚切时主轴刚性差,易振<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>动,影响加工精度。<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 21.3pt; TEXT-INDENT: -21.3pt; TEXT-ALIGN: left; mso-layout-grid-align: none; tab-stops: 7.1pt" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN">2)主轴前后轴承刮研点太细,太密,或后轴承间隙刮的太小,开车或使用后点子易磨去,<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>因此存油少,易发热造成闷车。前轴承间隙值应为(0.015- 0.02mm)后轴承间隙值应为(0.02-0.03mm).接触点为10-14/25*25。<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN">3)前轴承间隙调整的太小,开车后摩擦发热,孔.轴受热膨胀使配合间隙变小,造成闷车。<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN">4)轴向间隙调整过小,造成平面轴承咬坏,缺乏润滑是加工质量下降。<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN">5) 活动托架发热,可能由于刮削质量差或存在过大的不同轴度,或因配合间隙调整过小。<o:p></o:p></SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-ansi-language: ZH-CN; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">6)斜齿轮发热,有噪音,可能由于零件质量不好,或斜齿轮啮合侧隙过小啮合不良所</SPAN>

szh119221 发表于 2006-11-16 23:20:52

Re: y38-1刀架修理技术要求

最近修了台Y38-1滚齿机的刀架,以上是故障发生的原因,希望对大家能有所帮助。
就算是加入装配维修栏目的一点薄礼吧。
更正:题目应该是故障分析

坏坏的微笑 发表于 2007-10-22 22:06:03

问一下 38-1的垂直走刀定数是多少啊?

杨善梅 发表于 2007-10-30 23:18:17

Y38-1滚齿机的走刀定数是30/100。

szh119221 发表于 2010-5-7 23:34:51

y38-1定数应该是6.96301
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