Vacuum Infusion Process / V.I.P / Teknik Vakum
Vacuum Infusion process is a process that uses a two-sided mold that shapes both surfaces of a composite part. The lower mold is rigid, and commonly made from Fiberglass and coated with Polyester Gelcoat. The upper portion of the mold is made from a flexible membrane or vacuum bag. This vacuum bag can be a reusable silicone material or an extruded polymer film. Once the lay up is completed vacuum is applied to the mould cavity and the material is allowed to debulk. This process can be performed at either ambient or elevated temperature with ambient atmospheric pressure acting upon the vacuum bag.
- Advantages Of Vacuum Infusion
Vacuum Infusion, when done correctly, can produce parts of incredible strength and quality of appearance
combination of vacuum pressure along with carefully placed vacuum consumables (such as peel - ply and infusion mesh) mean that the finished composite will have absorbed resin at the optimum resin -to- reinforcement ratio, avoiding resin-rich composites or variations in performance inevitable with traditional wet-lay manufacture.Vacuum Infusion process also eliminates some of the problems that can blight wet-lay composites, such as air voids (caused where the reinforcement has bridged around tight corners) and tiny air bubbles caused by air trapped within the laminate.
The quality of epoxy ‘infusion resins’ means that resin infused parts can be made with strength to weight ratios that can rival parts made using pre-impregnated (pre-preg) reinforcement systems.
- Vacuum Infusion Process Set-up and Equipment
When preparing to experiment with infusion, It is important to understand some general concepts about how materials are used and arranged. Keep in mind that every project is unique and this guide is not intended to provide the only available options. We will discuss some variations later. First, the general sequence of events that comprises vacuum infusion is illustrated in the following diagram.
For the purpose of this guide, We will be focusing on one general set-up idea with the notion that resin will be infused into a center point in the laminate. From there, resin will be pulled outward via vacuum pressure. The final arrangement of materials should look something like this.
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Vacuum infusion process / V.I.P / Teknik vakum
* Material Used:
Kyoto Twill series ( 3K, 220 gram / squaremeter )
* Difficulty: Ultra hard
- 1 = Easy
, 2 = Medium
, 3 = Medium - Hard
4 = Hard
, 5 = Ultra hard
* Time spent:
3 weeks ( estimated )
PBO ( Price By Order )