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The
sensor roll controlled straight-line wire drawing machine
The sensor roll LINE brings economic
advantages
- Better productivity due to higher drawing
speeds in normal production
- High degree of reliability - low
downtime
- Much better finish wire quality due to a
gentler handling of the wire during the drawing process (less wire
deviations, no torsion etc.) as well as an optimised wire cooling
- Easy operation
- Better environmental conditions due to
increased dust protection, air cooling required only for large diameter
high carbon wires
- Greater flexibility and lower current
consumption due to modern drive technology
- Lower noise level compared to older type
machines
Optional features
Foot pedals for inching
operation
First block in combination sensor roll/OTO
design
Last block designed as finishing
capstan
Rotary die holder for specific resp. all
blocks
Quick die change cassettes
Pressure die systems
Soap boxes with stirrers
Environmental guarding system
Special cast killing systems for speciality
products, e.g. bead wire
Cooling water flow/temperature control
units
Sensor roll control
- Very flexible - same control system
from wire dia. 0,2 to 16 mm at all drawing speeds
- Avoids uncontrolled back-pull
- Straight wire path
- Self-regulating and -correcting
- Easy to string-up
- Fewer moving parts
- Low maintenance
Capstan cooling system
- Optimum cooling effect which
increases with the speed
- Self-cleaning, maintains consistent cooling
over time
- Can use coarse filtered industrial water in
wide temperature range, up to 35 ºC
- No rotating seals
Pneumatic, high speed brake
system
- Normal stop:
- under ramp down control within 15 - 30
sec.
- Quick stop (wire break):
- brakes under control, stop in 3 - 5 sec.
without additional wire breaks
- Emergency stop:
- machine in 1 sec., spooler/coiler in 1 - 3
sec.
Soap box and die
holder
- Special design of last die box, with
scale, for fine setting of cast and helix
- Opening for vacuum hose at every die
- Vibration dampening devices at high speed
blocks
Drawing
capstan
Various block coating systems
available, depending on the wire material to be drawn.
Includes
coatings e.g. ceramic, CDS "continuous detonation system", conventional
plasma spray etc.
Computer drawing system
CDS
- Third generation computer system
(more than 400 computer controlled KOCH machines in operation)
- Continuous color graphic display of
important operating data such as speed, die status and spool/coil
status
- Operator friendly interface for all machine
operational and control functions
- Easy trouble shooting
- Interface for data acquisition
- Upware compatible - easy future upgrades
through software
Frequency controlled A.C.-drive
- Transistor controlled A.C./A.C.
converter
- Controlled by means of the pulse width
modulation system (P.W.M.)
- Constant power factor (cos.phi) of better
than 0,95 at all speeds and load conditions
- Digital and microprocessor controlled
- No need of compensation and low harmonic
feedback to the net
- Readout display
- Interfacing for data acquisition
Digital bus system
- One communication cable replaces
hundreds of control wires
- Significant saving of cost and time in the
installation of the machine
- Simpler wiring system reduces problems and
simplifies trouble shooting
- Allows data acquisition and remote trouble
shooting of the control system and drives
Diagnostic system
- Most details system analysis through
bus system, down to drive details
- Remote connection through modem allows
on-line trouble shooting by KOCH engineers
- Easy software update by modem
Digital speed control system
Unique KOCH technology, highly
reliable
Utmost control flexibility, allows any
drafting program and block skipping
Not affected by outside factors such as
temperature and electrical interference
No potentiometers
No aging phenomena
Various further options
available, as for example:
Stripper
block
Rotating die holder for specific resp. all
blocks
Soap boxes
with stirrers
Die take- up
cassettes
Dust suction
systems
Environmental
guarding
Water
cooled A.C.- motors
"CDS" Computer
system
Wire
diameter measuring heads
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