[ATM] Fw: Quandry over steel washer tool

["KR" <kreid@primus.ca>]

----- Original Message ----- 
From: "KR" <kreid@primus.ca>
To: "Vladimir Galogaza" <vladimir.galogaza1@zg.t-com.hr>; "ATM List" 
<atm@atmlist.net>
Sent: Friday, December 22, 2006 8:36 PM
Subject: Re: [ATM] Quandry over steel washer tool


> Hi Vlladimir,
> I made an f/6 10" glass mirror, hogging it with a 2" pipe cap.
> The width of the pipe grinding area is .2812 inches.
> I can just get a .002 thou inch feeler guage under the inner edge,
> which is about .4 deg.? The sagitta is .104~about double?
> So, perhaps it becomes 'somewhat' convex; it does become worn
> and the edges sharp.
>                                        KR
> ----- Original Message ----- 
> From: "Vladimir Galogaza" <vladimir.galogaza1@zg.t-com.hr>
>> in contact with glass and   pressure will increase.
>>
>> I never used steel tool or  pipe end flange. My question to those who 
>> did:
>> Am I right in assuming that flange contact surface will not follow the 
>> glass
>> which becomes progressively more concave, and will stay practically flat
>> (flat as at the beginning  not becoming convex).
>>
>> Regards
>> Vladimir.
>>
>>
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>>
>>
> 


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