02: Frame production work steps
01 Weld seam preparation
With the example of a Jansen Janisol C4 fire safety profile - exception of fire safety compound - bevelling
02 Drop-latch lock recess and fitting
Mark G-size - use of the Jansen drilling gauges - drill holes - mill longitudinal slot - cylinder and door handle recess - deburring - fitting of lock
03 Create outer frame or leaf frame on trestles
Frame production on trestles - alignment - tensioning - check diagonal - set adhesion points - welding
04 Welding T-joint
Weld T-joint - milling - clamping - stapling - welding - grinding
