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PC-STRAND LINES

PC-STRAND PRODUCTION LINES

These lines are dedicated to the production and treatment of low relaxation steel rope for prestressed concrete and structural reinforcement. They guarantee a technological process with very high performance and excellent quality, result of a great technical knowledge and long experience in this field.

Main Features:
- Wire surface type: smooth, galvanized, PVC coated;
- Rope surface type: Normal or compacted with die (optional);
- Packaging: Precision wound coils with strap (every 45°), internal diameter 800 mm, max external diameter 1700 mm, width 750 mm, net weight 5000 kg max.

Stranding and relaxation line:
- Type of strander: Skip 1+6;
- Post forming: Double wire straightener on 2 planes at 90°;
- Tensioning system: by two groups of double capstans;

First Group pulling Capstans:
- Type: Double multi-gorge with horizontal axis;
- Capstan diameter: 1500 - 2500 mm;
- Max continuous pull: 25000 kg;
- Pull control: Load cell on diam. 1200 mm pulley;
- Heating furnace type: Induction with power between 640 and 800 kW;
- Wire cooling: Two stages, first by immersion and second by spray, with temperature control exit.

Second Group pulling Capstans:
- Synchronization system: Guiding rolls group with linear vertical scroll bar, with constant pull max 500 kg;
- Type: Double multi-gorge with horizontal axis;
- Capstan diameter: 1500 - 2500 mm;
- Max continuous pull: 25000 kg;
- Strand packaging: Double spool winding-unwinding system movable on rails;
- Max capacity 28000 kg.

Respooling and packaging:
- Working speed: Up to 400 m/min;
- Synchronization system: Guiding rolls group with linear vertical scroll bar, with constant pull max 750 kg;
- Coil preparation: Precision winding spooler (lay on lay) with automatic flange opening and coil extraction/unloading;
- Coil taping and packaging: Automatic taping machine for spiral coating with paper band or plastic film.

PC-Strand Series
MODEL   PCS 900-7 PCS 1120-7 PCS 1250-7
WIRE PAYOFF SPOOLS [-] 900 1120 1250
WIRE Ø INPUT [mm] 2.2 ÷ 4.2 2.2 ÷ 6.3 2.2 ÷ 7.2
MAX. INLET TENSILE STRENGTH [N/mm²] 2060 2060 2060
STRAND DIAMETER [in] 1/4" ÷ 1/2" 1/4" ÷ 0.7" 1/4" ÷ 0.85"
STRAND DIAMETER [mm] 6.35 ÷ 12.70 6.35 ÷ 17.78 6.35 ÷ 21.60
MAX. STRANDER SPEED [rpm] 1100 1000 850
MAX. NOMINAL OUTPUT [kg/h] 4100 11000 11000
MAX. LINEAR SPEED [m/min] 170 160 160