Cutting tubes in straight lengths – NC automatic feeding

Oakley Industrial Machinery’s automatic tube cutting machine with NC (numerical control) is engineered to deliver maximum efficiency and flexibility in tube cutting for heating elements and other tubular components. Designed for cutting tubes in straight lengths, this advanced system enables multiple cut lengths to be executed on the same bar, providing exceptional versatility in heating elements production.

The cutting line uses a controlled-axis pusher to ensure high-precision tube advancement and consistent cutting accuracy. With optimized nesting functions, the system significantly reduces waste by maximizing material usage—allowing up to three different cut lengths to be produced from a single bar with virtually zero scrap. The dual-unloading system automatically separates finished pieces, streamlining downstream handling and logistics.

Cutting tubes in straight lengths – NC automatic feeding

Advantages

The concrete advantages that make the difference

Execute multiple cut lengths on a single bar with NC precision
Automatic separation of cut pieces for improved workflow
Advanced nesting for maximum material utilization and scrap reduction

Details

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SLIDE LOADER

CUTTING UNIT

DOUBLE EXHAUST STRAP

Numerically controlled pusher
for handling up to 3 different lengths of the same tube

UNLOADING SECTION FOR SCRAPS

CNC CONTROL PANEL
to configure cutting options

Configurations

Discover all the configurations of the machine

  • SCORE AND PULL-APART
  • SAW CUTTING
  • GUILLOTINE CUTTING

The orbital score and pull-apart system is designed to overcome the problems with orbital cutting of a similar conception but realized using engraving wheels. The score and pull-apart system is an orbital tube cutting process that uses either a rotary blade cutter or insert cutting technology. These methods progressively score the tube along a circular section of its wall thickness, thinning it until a clamp pulls-apart the segment. This system ensures chipless and burr-free tube cuts with perfectly smooth edges and no deformation.

The saw cutting system incorporates a high-resistance circular blade that rotates at high speed to perform rapid and clean cuts. This technology offers the capabilities to manage different types of tube thickness, as well as different materials, with the precision of ninety-degree cuts. Furthermore, thanks to the robust materials and the cutting technique, the tool’s lifespan is extended, ensuring sustained durability and reliability.

Guillotine cutting lines are designed for producing custom-sized tubes with the internal diameter calibrated at both ends and customized lengths. This type of system is primarily selected for medium to large-scale production, ensuring rapid cutting diameter changeovers. The subsequent punching operation, used to eliminate the “heart-shaped” distortion caused by the cut, can be performed manually via a punching gun or automatically with a punching transfer system downstream of the tube cutting.

  • The orbital score and pull-apart system is designed to overcome the problems with orbital cutting of a similar conception but realized using engraving wheels. The score and pull-apart system is an orbital tube cutting process that uses either a rotary blade cutter or insert cutting technology. These methods progressively score the tube along a circular section of its wall thickness, thinning it until a clamp pulls-apart the segment. This system ensures chipless and burr-free tube cuts with perfectly smooth edges and no deformation.

Technical characteristics

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Material of the tube to be cut
Steel, stainless steel, copper and aluminium
Tube thickness
mm 0,3 - 1,0
Outer tube diameter (to be defined)
mm 6 - 22
Max. length of tube to be cut
mm 6100
Cutting length
To be defined (mm)
Cutting tolerance for cut lengths up to 1500 mm
mm ±0,8
Cutting tolerance for cut lengths between 1500 mm and 4300 mm
mm ±1
Capacity of the automatic feeder with diameter 7,5mm
pcs. 50
Space available in the feeder hopper
mm 440
Min. length to be cut
mm 100
Min length of tube scrapped per bar (for tubes with outer diameter over 10 mm)
mm 65
Min length of tube scrapped per bar (for tubes with outer diameter below 10 mm)
mm 340
Installed power
kW 3
Voltage
V/ ph/ Hz 400/ 3 phase/ 50 Hz
Pneumatic supply
bar 6
Set up time when changing tube diameter
min. 10 - 15
Cutting cycle rate: wall thickness 0.3 mm
sec. 2.4
Cutting cycle rate: wall thickness 0.4 mm
sec. 2.6
Cutting cycle rate: wall thickness 0.5 mm
sec. 2.8
Cutting cycle rate: wall thickness 0.8 mm
sec. 3.5
Cutting cycle rate: wall thickness 1.0 mm
sec. 4
Pull/break
sec. 0.5
Move forward feeding
m/sec. 1
Drop new piece
sec. 1
Block pushing rod
sec. 0.5
Move back to unload of cut to 6000 mm zero and 3000 mm zero
m/sec. 1.33
Offload cut piece
sec. 0.8

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