Spiral Pipe Formula

Enter Data Only In White Cells (H - Colu PIPE DIAMETER (INCH) PIPE DIAMETER (MM) COIL WIDTH (MM)

COIL THICKNESS (MM)

28 711.2 950

8.00

LENGTH(MTR)

SPEED(MTR/MIN)

HELICAL ANGLE(DEG.)

94

PIPE WEIGHT

PIPE FORMING TIME

WELDING LENGTH/PIPE

0.8

WELDING CONSUMABLE CONSUMPTION

WIRE

0.4

KG/MTR

FLUX

0.51

KG/MTR

lls (H - Column) 0.43

25.47

HELIX ANGLE 25.47 64.53

13.0412

276

221.08

MT

Minute

MTR

PTION

88.4

KG/PIPE

112.7

KG/PIPE

MAX. 42 FOR PRD MIN. 48 FOR BYARD

BYARD SPIRAL MILL HELIX ANGLE

WELDING PITCH

WELDING LENGTH

PRD SPIRAL MILL

COS U

=

B (OD-T) X U

P

=

B SIN U

WL

=

OD X U X L B

WHERE

HELIX ANGLE

WELDING PITCH

WELDING LENGTH

SIN U

=

P

=

WL

=

WHERE B = PLATE WIDTH In mm OD = PIPE OUTSIDE DIAMETER In mm L = PIPE LENGTH In mm WL = WELDING LENGTH In mm T = Wall Thickness in mm P = WELDING PITCH In mm

B = PLATE WIDTH In mm OD = PIPE OUTSIDE DIAMETER In mm L = PIPE LENGTH In mm WL = WELDING LENGTH In mm T = Wall Thickness in mm P = WELDING PITCH In mm

UT WAGON ROTATOR RPM

UT WAGON WHEEL RPM

TOTAL REVOLUTION FOR ROTATOR

RTR

=

L X OD P X ROD

ROTATOR RPM

RPM

=

T RTR

T

=

WL X S

TOTAL TIME REQUIRED WHERE

TOTAL REVOLUTION FOR WHEEL

WTR

=

ROTATOR RPM

RPM

=

T

=

TOTAL TIME REQUIRED WHERE

RTR = TOTAL REVOLUATION ROTATOR ROD = ROTATOR DIAMETER In mm T = TOTAL TIME REQUIRED In minute S = TESTING SPEED WL = WELDING LENGTH In mm

WTR = TOTAL REVOLUATION FOR WHEEL WD = WHEEL DIAMETER In mm T = TOTAL TIME REQUIRED In minute S = TESTING SPEED WL = WELDING LENGTH In mm

B (OD-T) X U B COS U OD X U X L B

TER In mm

mm

m

M L U X WD T WTR WL X S

ON FOR WHEEL In mm IRED In minute

mm