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mach使用上的经验之谈
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Topic: mach使用上的经验之谈 (Read 2645 times)
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stone-cn
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mach使用上的经验之谈
«
on:
February 26, 2007, 08:02:42 PM »
现在已经有很多朋友在试用各个版本的mach软件,我听到试用mach3的人员提出最多的问题是:电脑的打印口往往缺少部分轴的驱动信号输出!在没有更换电脑之前,似乎这个问题都无法解决,给人的感觉似乎是电脑硬件不能和mach这个软件适配造成这种故障出现。
遇到这个问题,并且有处理经验的朋友能不能把自己的成功经验发到这里来交流一下呢?
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CNCwt
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Re: mach使用上的经验之谈
«
Reply #1 on:
February 26, 2007, 11:24:37 PM »
Quote from: stone-cn on February 26, 2007, 08:02:42 PM
现在已经有很多朋友在试用各个版本的mach软件,我听到试用mach3的人员提出最多的问题是:电脑的打印口往往缺少部分轴的驱动信号输出!在没有更换电脑之前,似乎这个问题都无法解决,给人的感觉似乎是电脑硬件不能和mach这个软件适配造成这种故障出现。
遇到这个问题,并且有处理经验的朋友能不能把自己的成功经验发到这里来交流一下呢?
如果你能更具体的说出你的问题是什么,我可能可以帮得上忙。
«
Last Edit: February 27, 2007, 03:58:10 AM by CNCwt
»
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stone-cn
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Re: mach使用上的经验之谈
«
Reply #2 on:
February 27, 2007, 09:54:02 AM »
两个问题:
1、很多人装了mach之后,某个轴或者几个轴无输出,是电脑打印口没有这几个轴的输出信号。
cnc机器本身没有问题,因为换用kcam之后机器是正常的。
同时mach的设置基本上也没有问题,就是打印口没有对应轴的输出信号,常见是X轴没有输出。
mach版本有mach2和mach3,都存在这个问题。
2、是L297+mos管组成的常规驱动板,kcam能够正常驱动,换用mach后也不能正常工作。这个板子是用电阻直接和打印口连接,并没有使用光耦隔离。
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CNCwt
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Posts: 62
Re: mach使用上的经验之谈
«
Reply #3 on:
February 28, 2007, 05:20:46 AM »
你的问题很复杂,要一个一个的慢慢找。
1)Mach3是正版吗?如果不是,最好先用测试版本来测试。
2)打印口的2,3针普通是X轴. 用多测试器(multi-tester)测试有没有电压。电压多少? 通常要有5v才可以。
3)打印口的设置对吗?通常是Port #1, 0x378。还有Notebook电脑大部分都不能用。
4)设法交换X 和Y 轴电机连接, 会发生什么作用?会不会变成另一轴不动? 如果是,那你的驱动器或打印口可能有问题。
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stone-cn
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Re: mach使用上的经验之谈
«
Reply #4 on:
March 01, 2007, 04:37:16 PM »
1、据我所知,笔记本电脑不能正常使用普遍是打印口没有设置好,我们曾经也碰到这个问题。
在BIOS里把“并口传输模式”设置到epc模式就可以的,大家可以把 SPP、 EPP、 ECP、 epc 4种模式,逐个实验一下就能够明白是怎么回事;
2、我说的缺少输出的情况,CNC是没有问题的,单单在打印口和驱动器上调换轴的硬件连接是没有效果的,因为问题不是出在打印口之后,而是打印口之前的电脑主机部分;
3、你说的“打印口的设置对吗?通常是Port #1, 0x378……”是指mach的设置还是电脑BIOS里的设置?
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artsoftcn
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Posts: 3
Re: mach使用上的经验之谈
«
Reply #5 on:
March 01, 2007, 10:37:35 PM »
主要是无光耦,烧LPT4500HZ 但KCAM是用2500.就无问题
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