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Hollow metal door is consisting of:
·
2 panels – Body and
Cover (16 Ga 18 Ga 20 Ga.)
·
Top and bottom
channels – spot weld
·
Reinforcement hinges
and lock plate – spot weld
·
Fulfillment – honey
cove, Optional: Styrofoam or polyurethane foam.
Door sizes: Thickness – 1 ¾” Widths 24”
min – 48” max Heights 80”min – 96” max
List of equipment to manufacture hollow metal door
1.
Roll forming machine
to roll form “Body” – pre cut sheet
Roll forming
machine to roll form “Cover” – pre cut sheet
2.
Roll forming machine
to roll form and emboss top and bottom channels – pre-cut sheet
3.
Channel corner punch
press
4.
Turret punch press– to
pre punch on a pre-cut to size metal sheet: lock holes,
cut-off hinges
opening Prep holes
5.
Honey cove Roller Glue
applicator
6.
Pinch rolls press
7.
Weight press
8.
Channel spot welding
machine
9.
Hinges and lock plate
spot welding machine
Additional door feature is fire
inspection window. There are different window frame designs. Most
popular is quick window frame assembly by “Trim” and “Stop” roll forming
parts” UL of Canada and UL of US approved
Window Trim and Stop are manufactured in a separate roll forming lines
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