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Nissei Plastic Industrial Co. Ltd., a Japanese company majoring injection molding machinery, will exhibit its two latest electric type injection molding machines in anticipation of increased demand from China at the CHINAPLAS 2010 that will be held in Shanghai, China from April 19 to 22.
The electric type ultra high speed/high pressure injection molding machine, "NEX110-6EH"
This machine was developed based on Nissei's main model, the electric type injection molding machines, the "NEX Series", with clapping force of 1,080kN (110ton) aimed at mainly molding thin wall products such as light guides and thin wall multimedia cards.
Molding demonstration will be held for two three inch thin wall light guides.
This machine is equipped with a newly designed ultra high speed injection mechanism aimed at molding thin wall products such as thin light guides, multimedia cards, and narrow pitch connectors. The biggest characteristics are the injection speed at 1,000mm/s, which is twice as fast as the standard NEX machine, the injection acceleration speed, which is 3.5 times faster, and the injection pressure, which is 295MPa (3,000kgf/cm2)
It also stabilizes plasticizing and mixing through the optimization of the plasticizing device.
Moreover, the clamping mechanism is based on the flat clamp molding system that realized the "linear pressure toggle" used in the NEX standard type machine with high rigidity and has increased the rigidity of the die plate.
The electric type vertical injection molding machine, "TH40E5VE"
This machine is a new model of the electric type vertical machine, the TH-E Series with clamping force of 392kN (40ton) that has upgraded its injection speed/fast response.
This machine is a high speed injection type vertical molding machine fit for hoop insert molding of precision electronic components such as micro connectors and LED chips with a wide range of applications and attractive markets.
There will be a demonstration of hoop molding 16 connectors consecutively through hoop insert molding system equipped with an auto reel and in-mold hoop feeder at the show.
This machine is a combination of a single-stage type mold clamping mechanism and center injection (vertical injection against the molding machine) and the upper part of the mold moves up and down in the single-stage type.
Hence, it is especially fit for consecutive hoop molding of lead terminals and could easily be used for molding that requires a three-dimensional bent of lead terminals as pretreatment and punching out products as post processing.
The characteristics are A) Equipped with the NEX Series type injection system that allows high speed injection. B)Through system analyses, a mold design with high rigidity that minimizes the changes in the mold. C) A compact design that is fit for insert molding and is also easier to install.
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