SG-WIND application case study 5: Nut PA66-GF45 quadrupling the mold maintenance cycle.
- SANKO GOSEI
- May 8
- 1 min read
Gas venting nester SG-WIND is an example of how the mold maintenance cycle can be improved using SG-WIND.
PA66 (nylon) is used for these resin nuts.
Although the material used was black, when gas burns occurred it burnt and turned brown, causing a poor appearance.
Gas burns occurred at the final filling point, and as the gate position and molding conditions could not be changed, mold maintenance was required (every 3000 shots).
The time required for mould maintenance was four hours, and losses due to production stoppages were also significant.
Therefore, a cylindrical SG-WIND was set directly under the cold slug of the sprue runner.
The cylinder is set directly below the cold slug in the sprue runner, so that the gases accumulated in the cylinder are discharged as far as possible before they enter the product section.
As a result, the gas burning that had occurred at the filling end was eliminated and it was confirmed that there were no quality problems even after 13,000 shots of continuous moulding.
In addition, the mould maintenance cycle is quadrupled, which means that mould maintenance man-hours can be reduced by 12 hours.
In some cases, the cylindrical and pin-type SG-WIND can be used simply by replacing parts in existing moulds.
If you are interested, please contact us from below.
For further information, please contact
Mizuno & Hayashi, T&E Sales Engineering G, Sanko Gosei Co.
Toyofuku, T&E Shizuoka Plant, Sanko Gosei TEL: 0537-74-2512
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