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Technology and capacity

 

PREPARING MATERIALS

  •  wire rod shot blasting
  • wire and rod drawing
  • wire coils annealing in chamber furnaces
  • wire and rod straightening and cutting
  • phosphating
  • deoiling and degreasing

 

COLD FORGING

  •  dimensions: M2 - M30x250
  • machines: multi dies bolt making machines (National, Sacma, Hilgeland)
  • capacity: 120.000 tons per year
  • bolt and nut on multi dies bolt making machines equipped with Brankamp system for controlling die stress, and automatic thread rolling
  • if needed each bolt making machine can be equiped with in line wire drawing machine
  • bolt point making machines
  • bolt drill point making machines

 

HOT FORGING

  •  dimensions: M8 - M120x1200
  • machines: presses up to 630 tons, automated machines for hot forging of screws and nuts
  • capacity: 100.000 tons per year
  • screws, nuts and other elements on the eccentric, hydraulic and friction presses with induction heating
  • bolts and nuts on automatic forging machines with induction heating

 

THREAD ROLLING

  •  dimensions: to M120 (metric thread, UNC, UNF, Whithworth, RD, TR and others)
  • machines: flat die, planetary die, thru feed and in feed thread rolling machines up to 50 tons of pressure
  • capacity: 30.000 tons per year
  • the possibility of rolling all kinds of metric, imperial and special threads
  • infeed thread rolling machines
  • thrufeed thread rolling machines
  • three rollers hot rolling machines (tirfon)
  • flat die thread rolling machines
  • planetary thread rolling machines
  • nut taping machines
  • in hole thread cutting and forming machines

 

WELDING

  •  REL, MIG / MAG
  • robotic arm (MAG)
  • spot welding
  • butt welding

 

 STEEL SHEETS AND PROFILES PROCESSING

  •  laser cutting
  • plasma cutting
  • gas cutting
  • cutting off and cutting thru profiles
  • bending, cutting thru and rolling steel sheets and profiles
  • bending and cutting thru steel plates
  • deep drawing

 

 MACHINING

  •  lathes: universal, CNC, copying
  • milling machines: universal, CNC
  • drilling machines: vertical, multi-axis, console
  • grinders: plan, round, centerless, tool sharpeners
  • erosion discharge machines:
  • sink and wire
  • shot blasting machines
  • polishing

 

HEAT TREATMENT

  •  continuous lines for heat treatment
  • in protective atmosphere with a numeric temperature control
  • chamber furnaces
  • rotary furnaces
  • dimensions: up to 1.000 mm
  • machines: rotational furnace - 150kg/h, 10 chamber oven - 1.000kg/h, 5 continous line - 1.300kg/h, 1 line furnace - 1.000kg/h
  • capacity: 25.000 tons per year

 

 SURFACE PROTECTION

  •  dimensions: up to 2.100 mm
  • capacity: 16.000 tons a year - zinc plating, 12.000 tons a year  - hot dip galvanizing
  • zinc plating plant for plating without Cr6, three lines for the zinc plating - 2.200kg/h
  • hot dip galvanizing plant, three lines for the hot dip galvanizing  - 1.600kg/h
  • facility for painting heads and washers on the screw for metal housetops
  • phosphating plant
  • painting with powder

 

 OTHER PLANTS

  •  facility for the production of concrete railway sleepers
  • injection molding machines with capacity of 100kg per part
  • high warehouses with railroad access

 

 
 

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