A metal plate over the lock mechanism on both sides of the door secured with bolts through the door are an easy way to prevent the door from splitting.
Steel door making process.
The door will split and the the lock mechanism will just twist out.
Cut to length line steel door embossing press machine hot press punching machine press brake shearing machine door frame embossing machine powder spraying and painting line and door frame forming machine for making steel doors.
Modern methods however are still based on the same premise as the original bessemer process which uses oxygen to lower the carbon content in iron.
The steel door manufacturing machines as follows.
The modern steel production process methods for manufacturing steel have evolved significantly since industrial production began in the late 19th century.
The correct hardware must be selected to ensure the door and frame are properly reinforced.
The lines make door frames with a sheet thickness of up to 1 5 mm.
With the wemo sheet metal processing lines you can produce steel doors your own way.
The steel door institute created ansi sdi a250 6 recommended practice for hardware reinforcing on standard steel doors and frames as a guide to door reinforcement and the installation of door hardware.
Reinforcing both door and frame should make for a very secure entrance.
We offer you the option of steel doors with or without embossing.
Steel door frame manufacturing process takes 4 months from roll forming design to machining and heat treatment welding structure surface machining for the door frame.
So door frame machine price starts from 20 k usd to 80k usd in fact it s all about door frame machine quality and level of steel door frame manufactures.
So many steel door frames so many possibilities.
We demonstrate that with our production lines which can produce an extremely wide range of door frames the lines are suitable for different frame depths frame widths wall thicknesses and frame shapes.
Steel door frames products.
Steel entrance doors fire rated doors and industrial doors.