Modern manufacturing processes for wooden sash windows are now among the most automated of manufacturing processes. It has only been in the last century that mass production has had any impact on sash windows at all. Window sashes before the early part of the 20 Th century were cut by hand.
There was a time when master craftsmen would teach one or perhaps a few apprentices. Each apprentice would then practice the skills required to properly construct a wooden sash. Each sash was handmade and required hours of work.
Now a few key strokes can transform an entire factory with a new set of sash specifications. The production of mass quantities of perfectly uniform wooden sashes is a matter of programming rather than individual skill. The need to train employees becomes a matter of program familiarization instead of individual skill enhancement.
Mechanization has evolved rapidly. As early as 1900 there were mass production lines that tried to increase the production of sashes. They became increasingly automated as the century progressed. And now can include more robots than human workers.
Of course the need for handmade sashes exists in various niches throughout the world. Any restoration of an historical nature may frequently require craftsmen who can reproduce the fixtures of the past. Putting a mass produced sash on any window of a house on the National Registry of Historic Homes would hardly be seen as appropriate. The cost of individually produced sashes is of course much higher than the mass manufactured product.
One particularly amazing part of the modernization of sash production is the relative ease of changing a sash profile. Rather than refitting entire production lines with knives that will cut the prescribed profile, a computer can instruct movable jigs to assume the required profile in a matter of minutes.
The facilities for construction have evolved over time as well. Vast automated factories can cover acres of ground. The efficiency of these behemoths is greater as well, lessening the need for waste handling. With robotics and other modern processes, as-needed shipping is becoming the norm. Gone are the guild halls when it comes to quality control.
Such flexibility and efficiency have transformed the cost of manufacturing and the availability of products around the world. From single blade cutting tools, handled by master craftsmen, the modern manufacturing processes for wooden sash windows have truly advanced. The future can only add to that upward trend. Robotics and automated warehousing will only increase the level of efficiency and product availability.
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