MAN. PS 254 EN – Ind. 2 33
3.3.4.4. Rotation
! Calculation of the value to program to
get a required linear travel speed
The table give a reference number R30 for the
identification of every standard weld head. The
reference number contains a letter and a three
digit number. It has to be correctly introduced
during programming to assure the proper
functioning of the movements.
In order to get a required linear travel speed
VL for a tube diameter D, the value to program
VP (V32 for single travel speed, V33 for step
pulse travel speed) has to be calculated with
the formula:
- VP = C*VL/D
C is a factor due to every type of weld head
and given in the last column of the tables.
Example :
• Weld head MW 65)C = 60 (see table
enclosed welding heads).
• Required linear travel speed VL = 152.5
mm (6 IPM).
• Tube OD D = 25.4 mm (1").
• VP = 60*152,5 mm/min: 25.4 mm (6 IPM:
1").
• VP = 360 = V32..
R30 = Reference number of the welding head
01-NANTES
R30
=
A001
^
01-NANTES
R30
=
D001
^
01-NANTES
R30
=
D001
^ ^^
01-NANTES
R30
=
D034
^^^
R30=D034
^
R30=D034 C
^
R30=D034 C
^
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