4.] Detail specifications:
4.1.) Main body of drawing machine:
4.1.1.) Type: horizontal type, 13capstans lay on a tandem line
4.1.2.) Main frame: made of steel plate, annealed after welding and precision
machine finishing will be done
4.1.3.) Gears: made of high quality carbon steel, all gear teeth grinded after
heat-treatment to avoid noising and dynamic balance test will be done
to avoid machine vibration
4.1.4.) Shaft: made of high quality carbon steel, grinding will be done after heat
treatment.
4.1.5.) Capstan:
a.) Type: Capstan ring insert type,
b.) No. of capstan: 13 sets total
c.) Arrangement of capstan: 12 sets of capstan installed inside the drawing chamber and one set of finishing
capstan installed outside of the chamber
d.) Capstan ring: 450mm dia OD.x 60mm width
e.) Material of capstan ring: Medium carbon body with a 3mm
thickness tungsten carbide spray coating
f.) Hardness of capstan surface: 65 Hrc
g.) Surface finishing: by machine grinding
4.1.6.) Dies size: 45mm/ODx25mm/H (as per buyer’s option)
4.1.7.) Area reduction of machine: 26-20%
4.1.8.) Elongation of machine: 35-25%
4.1.9.) Die schedule: Will be offered according to buyer’s request.
4.1.10.) Drawing capacity: 550KG/Hr. for 1..5mm Al. wire.(1800MPM)
1050Kg/Hr. for 2.6mm Al. wire. (1200MPM)
1600Kg/Hr. for 4.0mm Al. wire. ( 800MPM)
4.1.11.) Brake: for emergency stop: a pneumatic type disc brake to be
installed on the behind of shaft No.12.
4.1.12.) Lubrication device:
a.) All the gears are sinked into the lubricant in the gear box.
b.) All the bearings are oiled by circulating pump through oil piping.
c.) Heat exchanger provided for lubricant cooling.
4.1.13.) Drawing lubricant:
- (1) A 4” inlet valve is attached on the wire inlet side of machine.
- (3) Heat exchanger and lubrication circulating pipping of machine
are completed together with the drawing machine body.
a.) Circulating pump: 10HP Vane pump.
b.) Pipping: inlet 4", outlet 10” pipes
4.1.14.) Transmission: 335HP DC motor > D type V pulleys > 3 steps gear box.>
No.8capstan > No.1-7 & 9-13 capstan
4.1.15.) Finishing capstan: install out of drawing tank with out drawing lubricant,
same diameter as other drawing capstans
4.2.) Length counter:
4.2.1.) Type: Counting wheel type installed on the upper side of Finishing
capstan.
4.2.2.) Auto counter: 6 digital with 2 pre-set auto counter.
4.2.3.) Counting unit: 0.1 meter/count.
4.2.4.) Material of counting wheel: carbon steel with surface hard chrome plating.
4.3.) Wire broken detector:
4.3.1.) Type: Pulse generator non contact type
4.3.2.) Application: Due to detecting position in the wire
inlet portion so that the machine will be stoped
immediatly while wire broken has been happened
4.3.3.) Pick up position: In front of wire inlet portion
4.3.4.) Pick-up roller dia.: 150mm
4.3.5.) Detecting frequence:0.5-10 pulse/sec adjustable
5.] Excluded items (optional accessoeies)
5.1.) Pointing and stringing machine
5.2.) Electric butt welder
5.3.) Air compressor.
5.4.) Cooling tower for heat exchanger
5.5.) Drawing dies and take up bobbins
6.] Machine Operation direction: R.H. (right hand machine)
Drawing Capstan