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Our series of machines for high-precision tubes

Horizontal flow-forming machine

The HSTR series is used for high-precision tubes of high tensile and tearing strength in the most diverse range of materials. It produces from simple, thick-walled tubes or rounds precision tubes with reductions in wall-thickness of up to 90%. The rotationally symmetrical hollow components at the end of the process have a workpiece diameter of 50 to 750 mm and a length specified to meet the customer’s needs.

HSTR 250-3
HSTR 500-3
HSTR 750-3
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Horizontal flow-forming machine (HSTR) 250-3

for cold forming of tubes and hollow bodies of diameters up to 250 mm

Workpiece diameter
min.
50 mm
Workpiece diameter
max.
250 mm
Workpiece length (forward-flow processes)
max.
1.000 mm / 2.000 mm / 3.000 mm
Workpiece mounting
DIN 55027
Size 11
Number of forming rollers
fixed
3
Drive rating, main spindle
approx.
125 kW
Main-spindle speed
max.
400/800* rpm
Support stroke
axial
1 x 1200 mm oder 1 x 2.200 mm oder 1 x 3.200 mm
Support stroke
radial
3 x 150 kN
Support force
axial
1 x 1.200 kN
Support force
radial
3 x 150 kN
Tailstock thrust force
max.
120 kN
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Horizontal flow-forming machine (HSTR) 500-3

for cold forming of tubes and hollow bodies of diameters up to 500 mm

Workpiece diameter
min.
100 mm
Workpiece diameter
max.
500 mm
Workpiece length (forward-flow processes)
max.
1.000 mm / 2.000 mm / 3.000 mm
Workpiece mounting
DIN 55027
Size 15
Number of forming rollers
fixed
3
Drive rating, main spindle
approx.
175 kW
Main-spindle speed
max.
350/700* rpm
Support stroke
axial
3 x 275 mm
Support stroke
radial
3 x 275 mm
Support force
axial
1 x 350 kN
Support force
radial
3 x 250 kN
Tailstock thrust force
max.
150 kN
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Horizontal flow-forming machine (HSTR) 750-3

for cold forming of tubes and hollow bodies of diameters up to 750 mm

Workpiece diameter
min.
150 mm
Workpiece diameter
max.
750 mm
Workpiece length (forward-flow processes)
max.
2.000 mm / 3.000 mm
Workpiece mounting
DIN 55027
Size 20
Number of forming rollers
Standard 3 / optional 4
Drive rating, main spindle
approx.
300 kW
Main-spindle speed
max.
250/500* rpm
Support stroke
axial max.
1 x 2.200 mm oder 1 x 3.200 mm or customized
Support stroke
radial
3 x 400 mm
Support force
axial
1 x 600 kN
Support force
radial
Standard 3 x 400 kN / optional 4 x 400 kN
Tailstock thrust force
max.
260 kN
HSTR 250-3
HSTR 500-3
HSTR 750-3

Endproducts of HSTR series

  • HSTR 250-3

  • HSTR 250-3

  • HSTR 250-3