LHD-450/13 Heavy Copper Rod Breakdown Machines and Copper wire drawing machines

Specifications

1. Copper rod inlet: dia. 8mm
2. Copper wire outlet: 1.30~4.5mm wire.
3. Rod breakdown machines or wire drawing machines

 LHD-450/13 Heavy Copper Rod Breakdown Machines 

1. Main Technical Data

1.1. Inlet diameter:  8 mm

1.2. Outlet diameter: 1.30~4.5mm

1.3. Number of drawing pass: 13

1.4. Diameter of drawing capstans: 450mm

1.5. Max delivery speed: 25m/sec (Normal running speed at 18~22m/sec, 8~18m/sec. during annealing)

1.6. Annealing mode: by DC current of 5000A and voltage of 65V

1.7. Type of annealer: Horizontal layout

1.8. Speed ratio between drawing capstans:  1.279~1.15; for die 1~9, 1.279;  for die 12~13, 1.05~1.26

1.9. Bobbin-change speed: 6~12m/sec. (automatic bobbin-change at preset length)

1.10. Size of take-up bobbin: PND500/PND630

1.11. Max. traverse width: 460mm

1.12. Main motor: Z4-315-42, 250kw  DC, 600 rpm

1.13. Motor for final capstan: Z4-200-21, 75kw  DC, 1500 rpm

1.14. Take-up motor (2 No.s):  Z4-132-2, 22kw, 3000rpm

1.15. Total power:  about 410kw

1.16. Consumption of compressed air: 6m³/h 0.5MPa

1.17. Volume of cooling oil tank: 20 m³ (to be prepared by user)

1.18. Overall dimension: 23750×5000×4510mm

1.19. Total weight: 43 tons

 

2. Composition and Specifications of Main Components

 

1	Cantilever two-position pay-off stand	1 set	5	Pointing & threading unit	1 set
2	Main drawing machine	1 set.	6	Pneumatic dual spooler	1 set
3	Annealer	1 set.	7	Electrical control system	1 set
4	Accumulator & tensioner	1 set	8	Steam generator	1 set

 

2.1. Copper Rod Breakdown Machine(straight row and rapid change of dies)

2.1.1 Die size: ø42×32mm (National standard)

2.1.2. Type of finish die: Rotary

2.1.3. Die threading inching: 3 pedal switches with anti-reverse device

2.1.4. Gearbox cooling and lubrication:

Gear oil pump: GBZ-50, 3kw, 50L/min, 2.5MPa

Heat exchanger: tubular cooler GLC4-13 13m², tubular cooler (horizontal layout)

2.1.5. Cooling and lubrication for wire drawing:

Emulsion pump: ISL80-65-160, 7.5kw, 11.5 L/sec.                                      

Heat exchanger: GLL5-25/0.63L, 25m²tubular cooler 

Filter: SLQ-65, duplex barrels and net type, 0.4~0.6 MPa

Water consumption: 1000 L/hr

Volume: 20 m³ (To be prepared by user)

 

2.2. Continuous Annealer

1) Input diameter: ø1.30~ø4.5mm

2) Max. linear annealing speed: 18m/sec (variable as per different wire size)

3) Annealing voltage/current: 45~65V/5000A

4) Capacity of transformer:450KVA, DC

5) Elongation after annealing: 33~35% (ø2.57)

6) Annealing inching switch: 2 No.s (pedal)

7) Diameter of contact pulley: ø420

8) Compressed air consumption:  About 350L/min, pressure: 0.5~0.6MPa

9) Steam consumption: About 40L/min, pressure ≥0.05~0.1MPa

10) Type of steam generator:  9DZL, power: 9kw

pressure0.2Mpa, volume of steam generated: 11kg/h

11) Cooling emulsion: 0.5~1% Saponified fluid, volume: 650L/min

Pressure: 0.2~0.8Mpa, capacity of cooling tank: 1900L

12) Cooling pump: ISG, Q=12.5L/sec, 2900rpm, 7.5kw

13) Cooler: GLL-24/0.63, 24m² tubular cooler

14) Cooling air blower: Centrifugal 1 No. Type 9-19, No. 4, 90° left

 

2.3. Wire tension control

 

1	Length of accumulated wire	5.9m	3	Wire breakage detected	Automatic stop upon wire breakage
2	Tension control	250N, regulated by air pressure from cylinder	4	Pedal inching switch	1 No.

 

2.4. Pneumatic Automatic Dual Spooler

2.4.1. Max. diameter of finish wire: 4.5 mm

2.4.2. Min. diameter of finish wire: 1.30 mm

2.4.3. Max. take-up speed: 25mm/s (8~20 m/s in annealing)

2.4.4. Speed of bobbin-change: 6~12m/s 

2.4.5. Max. width of traversing: 460mm 

2.4.6. Max. pitch of traversing: 6 mm 

2.4.7. Size of take-up bobbin: PND500 or PND630

 

2.5. Pointing and Threading Unit

 

1	Diameter and rotation speed of pointing roller	110mm, 16 rpm	4	Motor power	7.5kW, AC
2	Range of rolling	φ1.3~12mm
3	Diameter of drum	430

 

2.6. Electric Control Panel

 

1	Control panel for drawing machine	1 Set	4	Power control panel for Annealer	1 set
2	Control panel for take-up	1 set
3	Control panel for annealer	1 set	5	Control desk	1 set

 

3.  Mechanical and Electrical Integration

3.1. DC motor of Z4 series from well-established Chinese manufacturers;

3.2. Bearing for main transmission from Timken (), a well-known American manufacturer;