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P:2011-08-18 11:41:06

1

各位大哥!小兄弟有一事相求大家给我指导;65机第三区温度在升温保温过程中很正常,设定温度为92度。一开机温度上升道100度左右,无法下降。并且显示冷却阀一直打开着。即使强行打开冷却阀循环冷却,仍然是温度无法下降。温度设定及显示是触摸屏的,采样和执行是西门子S7-300  SM331(AI8xTC)K型分度号热电偶、  SM322(DO32x24VDC)24VDC通用小型继电器接通220V冷却电磁阀线圈电源。希望能得到大哥指点。

DST - digital signal transmission数字信号传输 (0) 投诉

P:2011-08-18 11:43:03

2

<DIV class=xxxxContent id=deds2 style="OVERFLOW: auto; WIDTH: 100%"><DIV class=xxxxAd><IFRAME id=google_ads_frame3 name=google_ads_frame3 marginWidth=0 marginHeight=0 src="http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-5245470700607411&output=html&h=200&slotname=8810507802&w=200&lmt=1313638873&ea=0&flash=10.2.152.26&url=http%3A%2F%2Fwww.dxdlw.com%2FShowPost.asp%3FThreadID%3D90257&dt=1313638873843&shv=r20110810&jsv=r20110719&saldr=1&prev_slotnames=9908240416%2C3492416009&correlator=1313638873718&frm=4&adk=1773478168&ga_vid=237481414.1313638874&ga_sid=1313638874&ga_hid=1315009583&ga_fc=0&u_tz=480&u_his=0&u_java=1&u_h=768&u_w=1366&u_ah=738&u_aw=1366&u_cd=32&u_nplug=0&u_nmime=0&dff=%E5%AE%8B%E4%BD%93&dfs=14&biw=567&bih=428&ref=http%3A%2F%2Fwww.dxdlw.com%2FShowForum.asp%3FForumID%3D29&fu=0&ifi=3&dtd=32" frameBorder=0 width=200 scrolling=no height=200 allowTransparency></IFRAME></DIV>将电热偶拔出,用冷水散在热电偶测量区,看温度有无变化,无变化大概就是热电偶不好换根</DIV>
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谢谢你taoyuan!我已按你的方法试过,还是不行。还有其他方法吗?

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现在发现65机转速越快温度越高大概升至110度左右,降速时温度降得很快降至45度左右。大哥们帮帮忙,给我多多的分析一下。我先谢谢你们!!!

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大哥些帮帮忙!!!

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<DIV class=xxxxContent id=deds6 style="OVERFLOW: auto; WIDTH: 100%">现在我发现温度上升的原因是机堂与螺杆摩擦引起的,但是就是冷却不下来。该怎么办大哥些?专家些?<IMG src="http://www.dxdlw.com/images/Emotions/1.gif" onload="javascript:if(this.width>800)this.width=800;if(this.height>600)this.height=600;"></DIV>

two-step silane cross-linking process - 二步法硅烷交联工艺 (0) 投诉

P:2011-08-18 13:42:10

3

  正常现象,以为主机运转产生热量,加上最近天气本身就很热。光靠冷却风扇是不行的 。

 要想更好的减温效果,可以采用水冷却炮筒,这样更快,或者安装更好的风冷却系统。

bag - 袋,包装袋 (0) 投诉

P:2011-08-18 14:25:18

4

查看冷却系统是否正常及有效

ARPAP type sheath - 铝-树脂-聚乙烯-铝-聚乙烯综合护套 (0) 投诉

P:2011-08-19 15:51:13

5

谢谢你们!winter321、线线缆缆。水冷却系统没有问题,在65机转速下降时,温度下降很快。在20分钟时间内,100度左右降至50度左右。然后温度才开始慢慢上升。

另外我个人认为冷却铜管和机堂外面接触面有无关系?

sliver - 长条;毛刺(轧制缺陷);开裂,线杆开裂 (0) 投诉

P:2011-08-19 15:56:54

6

如果是水冷的话,建议看看阀芯是否能够自由关闭

FOCIS - 光纤连接器互连标准 (0) 投诉

P:2011-08-22 10:01:12

7

taoyuan 谢谢你!我检测冷却电磁阀水流量、压力、阀芯关闭很正常。

height - 高度 (0) 投诉

P:2011-08-24 12:23:48

8

检查一下蜂巢板及滤网是否过密?

digital data network - 数字数据网 (0) 投诉

P:2011-10-10 16:04:57

9

看看热电偶接触是否良好;冷却水是否通畅。

cable bus - 电缆总线 (0) 投诉

P:2014-02-11 16:27:35

10

找维修的把

ultrasonic cleaning machine - 超声波清洗机 (0) 投诉

10


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