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Nissei NEX Series All Electric
 
 
Nissei NEX All Electric Machines (15-500tons)
 
 
Breaking through the conventional concept "the driving source of injection molding machines is hydraulic pressure,” NISSEI invented the world's first electric injection molding machine in 1983. As a result of our continuous research, development, and experience, NISSEI has introduced the "ELJECT" Series in our lineup. Breaking through the conventional concept "the driving source of injection molding machines is hydraulic pressure,” NISSEI invented the world's first electric injection molding machine in 1983. As a result of our continuous research, development, and experience, NISSEI has introduced the "ELJECT" Series in our lineup.
 
 

New Controller “TACT” (2nd generation)

…100sec (1/10,000 sec.) ultra high-speed control, the fastest in the industry...

 

TACT Controller      NEX 80 ton

 

 

 
12.1 inch color liquid crystal screen
Tilting mechanism allows to change the screen angle to meet the operator’s preference
Quick-response and high-resolution touch panel
High-speed control cycle: 100 µsec
A six-language (Japanese, English, Chinese, Spanish, Korean, and Thai) display system is provided as standard
Improved quality control function
Satisfying programming function
Internal memory for molding conditions: up to 300
LAN and USB ports are provided as standard
Easy access to the quality/production control system “PQ Manager”

 

TACT Controller Ladder Logic Programming
 
Ladder programming function open to users

Simple interface programs with peripheral devices can be created freehand on the molding machine screen.

Up to 300 molding conditions (standard specification) can be stored in the internal memory.


Compact flash card used as external storage (Optional)

In addition to molding conditions (max. 300 conditions) and profile data, image data can also be stored, thus permitting the user to manage molding conditions together with the corresponding sample images. Operation standard with illustrative images can also be displayed on the TACT screen.

Improved servomotor diagnosis function and load monitoring function

Equipped with signal recording function that can confirm servomotor operation, etc. by wave profile
The servomotor load monitor, also built in the machine, supports shorter cycles and prevents machine shutdown due to motor overload.

 NEX Product Quality Control
 
Buildup of quality control capability

A maximum of 8 items among 23 molding monitor items can be selected arbitrarily.
The data from monitoring of molding operations can be compiled in a statistical form so that they can be used for acceptance criteria.
 
 
Nissei Central Monitoring System (PQ Manager)
 
Equipped with USB connector (standard specification)
 
Equipped with FA-compatible LAN connector (standard specification)

The connector provides ready connection with PQ Manager and other peripheral systems. This allows the user to obtain a management system for quality control and analysis of moldings at low cost.

NEX Added Temperature Control Zones for the Barrel

NEX Load Cell Arrangement
 
Higher injection velocity and pressure available
The injection velocity has been increased by a maximum of 40% (as compared with our conventional machines).

High-load specifications available (Optional)
Three types of specifications are available according to the intended application: standard, high-speed and high-load (this for thick-wall products).
The "high-load specification" applies to lenses and other thick products. The injection time (pressure holding time) can be set longer than the standard specification.

Diverse control programs meeting a wide range of molding needs
HPC (Injection holding pressure positioning control): Control useful for high-speed molding, uniform molding of thin-wall products, and for preventing sink and warpage of moldings.
CPN3 (Clamping compression molding): Mold clamping and compression is performed while injecting and filling. This control is useful for stress relaxation and degassing of moldings.
MIP 0 (Processing inside mold): This control permits gate cut by ejector operation during mold close, and partial compression of products.
IDMC (Injection during clamping): Injection start just before high-pressure mold clamping. This control is useful for degassing of moldings and shortening of cycle time.
NEX Cycle Savings Comparison
 
NEX Lubrication Flow Chart
 
Effect of liquid lubrication type ball screw
Prevention of trouble due to grease (oil) shortage
 * Lube oil reaches every corner of the ball screw.

Long service life of ball screw
 * Discharge of abrasion powder is possible.
 * Temperature rise of the ball screw can be controlled.

Rise of the level of cleanliness
 * Absence of grease spattering.
 
NEX Screw/Barrel Change Example
 
Safety door renovated

A wide opening of the safety doorframe facilitates setup and maintenance of molds.
A large clear cover of the door affords an open view of molds and their perimeter, so that improved safety is ensured during adjustments of the take-out robot and purging of hot runner molds.
 
Easy attachment/detachment of injection unit and mold clamping mechanism covers

Controller display and operator box movable (NEX300-2000)
Controller display screen and operator box can be moved to just short of the door, ensuring easier and safer operations during locating centering of molds, nozzle touch adjustments, screw change and the like.