OTHER TIRE PRODUCTION EQUIPMENTS

Nakata Engineering develops not only extruders, but also various equipments and devices relating to tire production.

We have a vast range of experiences not only with extruders, but also with the interfacing machines. Let us introduce some of them on this website.

OTHER TIRE PRODUCTION EQUIPMENTS | Line-up

SINGLE WIRE BEAD LINE

We, Nakata Engineering, manufacture a complete single wire bead line. This equipment is to form hexagonal or square bead wires for passenger, truck and bus tires. It can produce regular hexagonal beads and hexagonal beads with a 15-degree taper.


AUTOMATIC JOINT STEEL BREAKER CUTTER

Extremely accurate, high speed cuts (15 cuts per minute, with 21-degree cuts and a width of 200 mm) are made possible by applying a highly reliable AC servomotor and highly accurate ball screw to the shear cutter developed through Nakata Engineering's cutting-edge technology and many years of experience. A newly designed mechanism also realized low noise.Through the use of an AC servomotor and high-accuracy ball screw in the joint apparatus as well, and the inclusion of a double zipper unit, this cutter is capable of high-speed, wide (up to 400mm) steel breaker cuts and joints. In addition to steel breakers, Nakata is also designing and producing auto joint and steel ply cutters, and supplying numerous cutters to the tire industry.

Double Zipper for Wide Joint


HIGH SPEED TREAD SKIVER

With Nakata Engineering’s cutting-edge technology, 30 cut per minute performance at a set length (a 50% improvement on standard equipment), without stopping the conveyor, is made possible through use of a highly reliable AC servomotor and highly accurate ball screw. In addition, this skiver combines high speed cutting with high accuracy, as well as eliminating the hydraulic unit for quiet, space-saving, energy-saving operation that’s easy on the environment and contributes to overall improvement in production line performance.

Employing High Speed, High Accuracy AC Servo Drive

OTHER TIRE PRODUCTION EQUIPMENTS | Specifications

SINGLE WIRE BEAD LINE Specifications

Let off stand
Wire pre-heater
Extruder
Pull roll (cooling drum)
Accumulator
Single wire bead winder
Bead take off unit
Electrical control system

AUTOMATIC JOINT STEEL BREAKER CUTTER Specifications

This table can be scrolled horizontally.
  Main specifications of new steel breaker cutter Main specifications of conventional model
Cutter Cut cycle Max. 18 cuts/minute 
(Width 200mm, 21 degrees)
Max 12 cuts/minute
Cut accuracy ±0.5mm ±0.5mm
Cut width From 90 to 400 mm From 90 to 320 mm
Blade Life 360,000 cuts/edge x 4 edges 550,000 cuts
Cut angle adjustment range From 21 to 30 degrees From 21 to 30 degrees
Feeder movement AC servomotor AC servomotor
Cutter action AC motor + clutch ・ brake
Hydraulic action shear cutter
Joint apparatus Joint cycle Max 15 joints/minute (200mm / 21 degrees) Max 12 joints/minute
Joint apparatus Double zipper format Single zipper format
Zipper movement AC servomotors (2) Air cylinder
Winder Wide / narrow – 2 types – reel winder Narrow reel only
Let off stand Double let off stand Double let off stand

HIGH SPEED TREAD SKIVER Specifications

This table can be scrolled horizontally.
  Main specifications of high speed tread skiver Main specifications of
conventional model
Cutter Cut cycle Max. 30 cuts/minute (Cut length 1500mm) Max 20 cuts/minute
Line speed Max. 45M/minute (Cut length 1500mm) Max 30M/minute
Cut accuracy ±2mm ±2mm
Cut length From 1250 to 3500 mm From 1250 to 3500 mm
Cut angle adjustment range From 15 to 30 degrees From 15 to 30 degrees
Knife 510mm x 6mm disc 510mm x 6mm disc
Control Carriage movement AC servomotor DC servomotor
Cutter movement AC servomotor Hydraulic cylinder
Raising and lowering cutter AC servomotor Air cylinder
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