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Our series for wheel rims

Ring flow forming center

Our spin-forming centre for steel wheel rims produces preforms for wheel rims for weight-optimised steel car hubs.
The benefits of our ring flow forming center:

  • wheel-rim weight reduction of up to 25%,
  • extremely high production rates of 300 rings/hour,
  • enhanced strength despite partial reduction of wall thicknesses.

The RDZ consists of a pair of machines (flow forming plus trimming machine) and is built either in vertical (VRDZ) or horizontal design (HRDZ).

VSTA 520-4
HSTA 550-4
HABS 550-4
VABS 520-4
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Vertical automatic flow forming machine (VSTA) 520-4

for flow forming of cylindrical steel rim rings

Drop-center diameter
min.
320 mm (12,5“)
Drop-center diameter
max.
520 mm (20,5“)
Workpiece width
min.
125 mm (5“)
Workpiece width
max.
325 mm (13“)
Tool mounting
2 x Size 11
DIN 55027
Number of forming rollers
fix
4
Number of forming units
fix
4
Drive rating, spindles
approx.
230 kW*
Spindle speed
max.
1200 rpm
Spindle feed stroke
max.
425 mm
Spindle-slide force
max.
200 kN
Slide stroke
radial
4 x 300 mm
Slide force
radial
4 x 125 kN
icon cold forming
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Horizontal automatic flow forming machine (HSTA) 550-4

for flow forming of biconical steel rim rings

Drop-center diameter
min.
320 mm (12,5“)
Drop-center diameter
max.
550 mm (21,5“)
Workpiece width
min.
100 mm (4“)
Workpiece width
max.
310 mm (12“)
Tool mounting
2 x Size 15
DIN 55027
Number of forming rollers
fix
4
Drive rating, spindles
approx.
2 x 125 kW*
Spindle speed
max.
1500 rpm
Spindle feed stroke
max.
2 x 250 mm
Spindle-slide force
max.
2 x 150 kN
Slide stroke
axial
4 x 300 mm
Slide stroke
radial
4 x 160 mm
Slide force
axial
4 x 125 kN
Slide force
radial
4 x 125 kN
icon cold forming
icon

Horizontal turning and trimming machine (HABS) 550-4

for trimming and deburring of biconical steel rim rings

Drop-center diameter
min.
320 mm (12,5“)
Drop-center diameter
max.
550 mm (21,5“)
Workpiece width
min.
100 mm (5“)
Workpiece width
max.
310 mm (12“)
Tool mounting
2 x Size 8
DIN 55027
Drive rating, spindles
approx.
2 x 30 kW*
Spindle speed
max.
275 rpm
Spindle feed stroke
max.
2 x 200 mm
Spindle-slide force
max.
2 x 95 kN
Number of trimming units
fix
4
Number of deburring units
fix
2
Slide stroke
axial
4 x 130 mm
Slide stroke
radial
4 x 210 mm
Slide force
axial
4 x 25 kN
Slide force
radial
4 x 25 kN
icon cold forming
icon

Vertical turning and trimming machine (VABS) 520-4

for trimming and deburring of cylindrical steel rim rings

Drop-center diameter
min.
320 mm (12,5“)
Drop-center diameter
max.
520 mm (20,5“)
Workpiece width
min.
125 mm (5")
Workpiece width
max.
325 mm (13")
Tool mounting
2 x Size 8
DIN 55027
Drive rating, spindles
approx.
15 kW
Spindle speed
max.
250 rpm
Number of trimming units
2
Number of deburring units
1
Number of edge rounding units
1
Slide stroke per unit
axial
3 x 210 mm
Slide force per unit
radial
3 x 130 kN
icon cold forming
VSTA 520-4
HSTA 550-4
HABS 550-4
VABS 520-4

Endproducts
of VSTA series

  • HRDZ-VRDZ-Weight-optimised car rim

  • HRDZ-VRDZ-Weight-optimised car rim

  • HRDZ-VRDZ-Weight-optimised car rim

Horizontal automatic flow forming machine (HSTA)
for flow forming of biconical steel rim rings

Horizontal turning and trimming machine (HABS)
for trimming and deburring of biconical steel rim rings

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Vertical turning and trimming machine (VABS)
for trimming and deburring of cylindrical steel rim rings

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