drive fit
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Posted by: Sanjay Sharma ® 06/27/2006, 09:57:29 Author Profile eMail author Edit

We have a assembly of shaft and pull rod. As per dimensions shaft dia 100m6 and hole dia is 100N7. So it is a drive fit. Now i want to know the detail procedure and precautions for freezing the shaft with the help of dry ice(CO2) and also i want to know the detail procedure precautions of freezing the shaft with help of liquid nitrogen. Early response will be great help ful.

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Re: drive fit
Re: drive fit -- Sanjay Sharma	Post Reply	Top of thread	Forum

Posted by: randykimball ® 06/27/2006, 18:35:09 Author Profile eMail author Edit

In both cases handle carefully. In both cases you can not handle the shaft with your bare hands. The liquid is more dangerous because it can be spilled onto your body or a body part of someone else's body. Both will freeze skin and flesh to death, the liquid nitrogen will do so more quickly and to a deeper more harmful extent. Both will result in a freeze fit small shaft. The liquid can be kept in a thermos container for a while, the dry ice will not last as long. The liquid nitrogen can be delivered in a container and you can usually have it put on a delivery schedule. The liquid nitrogen would be safer if it is locked up to prevent serious injury from those not fully understanding the danger, therefore tampering or playing it with causing you to be responsible for harm done to others. The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them. Modified by randykimball at Tue, Jun 27, 2006, 18:38:27

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Re: Re: drive fit
Re: Re: drive fit -- randykimball	Post Reply	Top of thread	Forum

Posted by: Sanjay Sharma ® 07/02/2006, 09:26:10 Author Profile eMail author Edit

Hi Every body, My question is still unanswered. I asked about the procedure for using dry ice/ co2 and liquid nitrogen. I got answer for precaution part only. Hopefully i'll get the procedure very soon with your help. Regards, Sanjay

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