Descaling rollers: each section 3 rolls diameter 55 to 80 mm
Rollers material: made of tungsten carbide
Scale collection: scale collection bin is provided under each descaling section; each bin is equipped with wheels in order to remove it easily and empty the scale
Guards: the unit is fully guarded, observing window is made up of steel wire mesh and plexiglass; guards are locked when wire rod is moving
Brush Descaling Device
Brush descaling device cannot remove scales completely, suggest using abrasive belt polishing machine
Fine scale remove: four motors (1.5 kW) drive brushes rotating to clean remaining fine scale on wire surface
Borax-Coating Device
This device is separated to working tank and storage tank
Equipped with a circulating pump 1.5 kW
There are electric heating pipes winding on the bottom of storage tank, solution is heated by electric heating pipes
The liquid volume is 600 l, if liquid level is lower than minimum volume 450 l, the level regulator will send an alarm to remind operator to add water or borax
The whole tank is totally covered to avoid vaporization
At the exit, there is a compressed air nozzle to remove redundant liquid on wire surface
Drying Device
Hot air blowing to dry wire surface, drying length is 3000 mm
Electric heating wire to heat air, blowing to working pipe by blower; temperature is 100 degrees
Heating power 36 kW, blower power 1.5 kW
Straight Line Wire Drawing Machine
Capstan quantity: 11
Capstan diameter: 11 blocks diameter 600 mm
Capstan material: cast steel, coated by tungsten carbide, coating height ≥ 120 mm, hardness ≥ hrc 65; capstan inner surface is coated with zinc-aluminum alloy to anti corruption; capstan and shaft core is connected and locked through taper hole; the radial run-out tolerance of drawing part ≤ 0.1 mm
Wire material: middle and high carbon steel wire, tensile strength ≤ 1200 mpa
Inlet wire diameter: φ5.5 to 6.0 mm
Outlet wire diameter: min. φ1.37 mm
Max. speed: 12 meters per second, normal working speed 8 to 10 meters per second
Capstan accumulation height: 120 mm
General reduction: 93.8%
Transmission: use inverter motor + hard-surface gearbox (if need) + narrow v-belt
Capstan speed synchronization: dancer arm fixed on machine and separate from die box; machine speed control is through tuning roller, balance wire tension by cylinder, and reduce tension fluctuation by air package; through analog switch detector arm position to adjust capstan speed
Speed: accelerate and decelerate is adjustable
Speed adjustable: 0-12 meters per second (digital control, digital display)
Emergency stop: control between capstan without wire breaking (3 seconds); quick stop: no wire breaking, no wire messing (≤ 10 seconds)
Die box: adjustable die box with stirrer, die specification 43 x 26 mm; die box is cooled by forced water, upper box has a cover, request pressure die + gasket + die; each block has a device to avoid bamboo wire
Water supply: pressure ≥ 200 kpa, temperature ≤ 30 °c, water consumption about 0.5 cubic meters per capstan per hour
Air supply: air pressure ≥ 0.5 mpa
Cooling: inner capstan is spray narrow gap immersed water cooling, air cooling outside, and wire temperature is less than 75 °c before go into next block
Capstan motor: 1#- 11# capstan 37 kw
Each capstan and take-up machine uses pneumatic brakes
Noise ≤ 80 dba
Motor location: at the machine back vertical installation
Each block has two foot pedal
Instruction
The whole line’s function can meet technology requirement
Wire drawing machine has enclosed safety cover, with inspect window
The cooling for electric control cabinet of wire drawing machine and take-up machine is by forced air cooling; there is a display for power supply, current, temperature, starting time and etc.
Machine frame is welded structure, divide to three sections (4+4+3)
Machine frame, electric control cabinet, die box, operation panel is 1-89 jade color, protection plate and bar is 1-18 yellow, rotating and moving parts are 1-18 yellow
Operation direction: left or right
Working environment: (summer) temperature 45 °c, relative humidity: 70%, dust capacity: moderate
While machine is running, if the protection cover open, the machine will run at lower speed; protection close, recover to original speed (equipped with illumination on machine frame)
Electric Control System
Include one set of electric control cabinet, main operation panel (i/o distribution cabinet)
Control type: ac inverter adjust speed (analog control)
Sensor is high-accuracy non-touch displacement sensor
Operation panel is button plate and hmi (on touch screen)
Cooling for electric control cabinet is by positive pressure; button function: power on/off, start/stop, quick stop, emergency stop, meter reset, speed up, failure reset, power indication and etc.; touch screen display and set: meter length set, meter coefficient set, speed set, jogging speed set, full length indication and reset, inverter failure indication and reset, failure query, current, block reduction, speed and so on, tuning sensor position parameter, production data, safety limit speed and so on
Each block operation panel function: start, stop, left linkage, right linkage, emergency stop, work/remove, change-over switch and so on
The machine has wire broken protection and tension automatic track and adjust function, with emergency stop button, pulling rope and other protections
Technical Documents
After contract validation, 30 days before shipment supply equipment lay-out drawing
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