[TheForge] Punching and drifting angled holes

[Grant Marcoux]

Ekaterina:   The way to do this is by slitting an offset and then drifting
at an angle.  First, locate the OC location of the hole.  Second, mark this
location on BOTH sides o the bar and slit to one side of the mark on the
"top" (upward facing) side of the bar and then slit to the opposite side on
the "bottom" (downward facing) side of the bar.  These slits are each HALF
of the required total slit length.

It is advisable to first round drift at your required angle and then finish
at that angle with a drift of final profile.   Blocking looks nice here.  If
you just straight slit the bar, you will not be able to get a true 45 w/o
puckering the bar at the slit

Grant

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Ekaterina Harrison
Sent: Monday, May 19, 2008 7:47 AM
To: theforge at mailman.qth.net
Subject: [TheForge] Punching and drifting angled holes


Hi All,

I am wondering if anybody here has a good technique for punching and
drifting angled holes?
A current project that I am working on requires pass-throughs at
varying angles in the vicinity of 45*.

Ekaterina

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