composition and specifications of main components
cantilever two-position pay-off stand, drawing machine proper, accumulator & tensioner, dual-spooler fully pneumatically driven, pointing & threading unit, and electrical control system.
2.1. drawing machine proper (straight row rapid bobbin-change)
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:
screw pump: 3gr42×4a, 10.5 m3 /h, 5.5 kw
heat exchanger: gll5-40/0.63l, 40m2 tubular cooler (vertical layout)
filter: slq-65, duplex barrels and net type, 0.4~0.6 mpa
water consumption: 1000 l/hr.
volume: 5.5 m3
2.2. automatic pneumatic dual spooler
2.2.1. max. diameter of finish wire: 4.5 mm
2.2.2. min. diameter of finish wire: 1.30 mm
2.2.3. max. take-up speed: 25mm/s
2.2.4. speed of bobbin-change: 6~12m/s (countering at preset length, error rate ≤3)
2.2.5. max. width of traversing: 460mm (traversing width to be adjustable)
2.2.6. max. pitch of traversing: 6 mm ( traversing pitch to be adjustable)
2.2.7. size of take-up bobbin: pnd500 or pnd630
2.2.8. power of motor for take-up: 22kw×2(dc)
2.2.9. mode of transmission for traverse: ac variable frequency plus screw
2.3. accumulator
1 |
length of accumulated wire |
5.9m |
3 |
wire breakage detected |
automatic stop upon wire breakage |
2 |
tension control |
max. 400n, regulated by air pressure from cylinder |
4 |
pedal inching switch |
1 no. |
2.4. 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 |
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3 |
diameter of drum |
430 |