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January 1998

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Subject:
Re: BURR
From:
Don Vischulis <[log in to unmask]>
Reply To:
TechNet Mail Forum.
Date:
Fri, 16 Jan 1998 21:56:11 -0600
Content-Type:
text/plain
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text/plain (47 lines) 
Check out the data at http://www.accuscore.com.  They have information that appears reasonable
for determining the dimensional change encountered when breaking scored arrays.

Don Vischulis

Padmanabha Anandapuram Halappa wrote:

>      Good day Folks,
>
>      We face dimension problem after depanellise the v-scoring board. The
>      board's thickness is 0.062" and the v-scoring remaining thickness is
>      0.015". After depanellise, the board dimension is found to increase by
>      0.01".
>
>      According to the fab. house, this is caused by the burr (protrusion)
>      after depanelling the board.
>
>      Is there any standard spec. for the burr after depanelling the
>      v-scoring board? What is the general dimension tolerance used in
>      design the board with v-scoring?
>
>      Thanks
>
>      Robert
>
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