Machine Sash Making Demo
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squarehead



Joined: 19 Apr 2011
Posts: 33
Location: Oregon

PostPosted: Sun Dec 02, 2012 1:26 pm    Post subject: Machine Sash Making Demo Reply with quote

We had a fun gathering recently and I demo-ed sash making. There was a talent in the group who made a nice movie.

These are the sights and sounds of the late 19th Century/early 20th.




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johnleeke
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Joined: 20 Aug 2004
Posts: 2972
Location: Portland, Maine, USA

PostPosted: Mon Dec 03, 2012 9:00 am    Post subject: Reply with quote

Thanks for posting this video. I like the tap and ring at the end that demonstrates the quality of the joinery.

A couple of the old trades manuals from the 1890s mention the purpose of the bored relish as allowing for the stile molding to pass through the joint and making it a little bigger for ventilation to help keep the joint dry, especially on bottom rails.

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by hammer and hand great works do stand
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squarehead



Joined: 19 Apr 2011
Posts: 33
Location: Oregon

PostPosted: Thu Dec 06, 2012 11:39 am    Post subject: Reply with quote

Sometimes it is tough to know whether it was the practice or the justification to come first.

Often a writer is simply interpreting what has been established for decades, whether the bore was by brace, post borer, borer accessory to the power (reciprocating)mortiser or relishing machine. All of which were fully developed and distributed around the Nation by 1890.

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squarehead



Joined: 19 Apr 2011
Posts: 33
Location: Oregon

PostPosted: Sat Jan 12, 2013 8:00 pm    Post subject: Reply with quote

Recently I powered up two late 19th Century machines popular with sash and door makers. A Levi Houston Power Mortiser and a Rowley and Hermance Column or Elbow sander.

The mortiser cutting:
http://www.youtube.com/watch?v=v_6vLad-DrM

The elbow sander:
http://www.youtube.com/watch?v=9irNHAp_I0c

The mortiser leaves a clean shear side in the faces of the mortice.
The sander leaves swirls.

I believe the designs of both date to the middle 1870s.

One thing I have noted using both these is that they behave more like a hand tool than a machine in that there is much left to the skill of the operator.

D.
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