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Rotary / Flying Shears

Home Rotary / Flying Shears
1. ROTARY SHEAR

High speed shear machine with a design for cutting the strip in formats at programmed lengths without stopping the processing strip.

The design is a double driven eccentric shear (upper and lower blade-holders). The motion of both shears is synchronized and fitted with reaction arms sliding on roller guides.

The main frame of the shear is manufactured in carbon steel and stress relieved and fixed to foundations by anchor bolts and nuts.

  • Drive by kinematic chain with slack-less type of gear.
  • Eccentric shafts supported on bearings.
  • Low inertia knives – holder fitted on bearings.
  • Adjustment of cutting GAP setting visible from the operator panel.
  • Pulses generator fitted in measuring wheel.
  • Tilting table fitted on bottom knives – holder as support for short length formats.
  • Closed circuit oil Lubrication and flow control system.

 

rotary-shear

Line Speed up to 100mpm and 200 Sheets per minute
Maximum thickness up to 12 mm
Minimum cutting tolerance ±0,1mm

flying-shear_heavy_1509

Line Speed up to 50mpm and 30 Sheets per minute
Maximum thickness up to 20 mm
Minimum cutting tolerance ±0,5mm

2. FLYING SHEAR

The equipment is designed for cut-off to length the band according the formats production program, once the speeds of the shear and the band have been synchronized.

Mainframe made in fabricated carbon steel and stress relieved

  • Crops removing roll, elec. Motor driven and equipped with lifting motion by hydraulic cylinder
  • Flying shear for cut-off the band, travelling over rolling skids and system of precision rack-pinion
  • Electronic displacement control to synchronize the speeds.
  • Upper blade-holder movement on bronze guides driven by the eccentric’s axle, inertial hand wheel and low inertial pneumatic clutch-brake.
  • Coil tail removing roll.
  • Special designed blades with four cutting edges.
  • Blades fast-interchanging system
3. HIGH SPEED ECCENTRIC SHEARS

Designed for Up / Down cutting motion, operated by A.C. motors with converter control system, with direct drive to the eccentric shaft of the shear.

Mainframe fabricated in welded steel and assembled with the frame of the feeding pinch rolls and equipped with:

  • Upper holder blade frame is operated by eccentric’s shaft.
  • Blade adjustment with precision mating wedges for GAP control, with adjustment and display on the desk.
  • Blades with four cutting edges .
  • Top knife with butterfly cutting line shape (V or X line shape)
  • C. drive motor equipped with vector frequency converter and fitted with precision transmission with “0” gap tolerance. (without blacklash)
  • Centralised automatic lubrication system for all components.

 

 

feed-to-stop-shear

Line Speed up to 90mpm and 140 Sheets per minute
Maximum thickness up to 6 mm
Minimum cutting tolerance ±0,1mm

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ATHADER, S.L.
Pol.Masti Loidi 17A
20100 RENTERIA (GIPUZKOA)
+34 943 219 199
comercial@athader.com
Design and development: Eurosíntesis

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