28
REQUIRED MATERIAL
Flat steel bar thickness 4.8 mm, max. width 50.8 mm.
1 flat steel bar 225.4 mm long
1 flat steel bar 152.4 mm long
1 flat steel bar 79.4 mm long
BENDING PROCEDURE
Make the letter "P" part according to
the steps described earlier.
Final steps
Stitch weld the 79.4 mm long piece to
the letter "P" as shown on the picture.
Grind and sandblast all sharp edges.
REQUIRED MATERIAL
Flat steel bar thickness 4.8 mm, max. width 50.8 mm.
1 flat steel bar 419.1 mm long
CAUTION:
due to the high number of bends required to produce the letter "S",
make sure to inspect all angles before going any further.
BENDING PROCEDURE
Mark the locations of the bends. See the picture.
Caution. Five marks must be done on side of the work piece
and the remaining five on the other side of the work piece.
Observe the picture.
Bend No. 1
Slide the work piece in the machine all the way to the mark
No. 1 (pic. A) and perform 45° angle bend. Check the angle.
To make the second 45° angle bend easier, make a mark on
the ring or place a stopper there, instead of the mark.
(On marks 3 and 7 you must produce an angle 3 of 41°).
Bend No. 2
Slide the work piece to the mark No. 2 (pic. B) and perform
45° angle bend.
79.4 mm
25.4
mm
25.4
mm
25.4
mm
25.4
mm
25.4
mm
25.4
mm
31.8
mm
66.7 mm
66.7 mm
Mark
13
Bracket screw bending
The following charts show the applicable settings for bracket screw manufacture with typical end length and
bent radius manufactured from steel poles of common diameters.
The lower picture shows the settings for bracket screw manufacture with length of 88.9 mm and inner
measurement of 50.8 mm, from steel pole with diameter of 15.9 mm. To manufacture different sizes, set the
die size and the position of the stopper cube according to the charts.
Length
To manufacture long bracket screws add double the required length to the specified pole length (for example;
to make bracket screws that is 25.4 mm longer, add 50.8 mm to the pole length).
Bending radius
You may choose from 8 different radiuses, by choosing from seven different dies or you may use the centre
stud with no die. To prevent damage or bending of the centre stud, always use shaping die if you are shaping
material with diameter above 9.5 mm.
Notes
•
Because the metallurgical structure and the dimensions of the pole may slightly change throughout its
length, we recommend performing test bend before making large amount of bracket screws.
•
Write down the die sizes and the positions of the stoppers you already used to manufacture a certain
product to make future setting easier.
Typical settings to manufacture bracket screws from pole rods
(for detailed information see the following charts)
Stopper
cube position
stopper cube
distance
Centre stud die
Handle die
