How “Montage” , KGW’s home products are made?
PVC Sash “Montage” is made-to-order all at the Eniwa factory in Hokkaido.
The Eniwa Plant acquired ISO 9001 certification in October 2014 and is working to provide better products and services.
Procedure how “Montage” is made
1. Material acceptance
The profiles extruded at Royal Co. in North America Co. (Currently Energy Co.) arrives by containers.
Some parts such as glass are procured domestically.
Cut the profiles according to the window type and size of customer’s order.
A high-performance cutting machine that can set the length in 0.1 mm increments is used.
3.Punch (drilling ) process
The cut profiles is drilled the drain holes etc.
We are using our own developed punching machine specially for “Montage”.
Weld the joints of the four upper and lower, left and right frames.
In order to produce high quality windows, we use high performance welding machine which can weld 4 places at the same time.
Remove burrs which were generated during welding process.
Automated corner cleaner is fully used.
Assemble small parts such as crescent and drain valve on the frame or sash.
7.Assembling glass process
Assemble double glazed glass to the frame or sash.
As ordered, assemble Low-E ・ Clear ・ Tempered Glass etc..
Completed products are checked if there is any defect.
The inspection is conducted by skilled inspectors strictly.