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Production Process / Models- Mould Production

With a history of 38 years in composites sector, we are proud to say that we are experts in model and mold production. Fiberglass patterns can be either hand built or CNC machined (computer numerically controlled). CNC Router provides automated milling and fabrication of three dimensional objects. Our staff of highly skilled pattern, master and mold makers ensures the highest quality finished product to meet challenging customer requirements all over the World. We always use the the most updated tooling system.

Production Process / Mould Preparation and Painting

We have accumulated 38 years understanding fiberglass manufacturing process and production methods. Backed by 38 years of research and development, we use only the best performance mold release agents just before our molds are taken into lamination and gel cot application phases. The most appropriate and best quality gel coat is then applied by either brush or spray machine.

Production Methods – Hand Lay Up

Hand lay-up is the simplest and oldest open molding method of the composite fabrication processes. It is a low volume, labor intensive method suited especially for large components.Since we have been involved in the composites industry in 1976, we are using hand lay-up method. Although the percentage of our hand lay up production is now constituting a very little portion of our whole production, we are still using this technology in some production of products. We have thousands of molds and we are adding up hundreds of them each year. Taking into consideration the tooling system in mold production, hand lay up still proves itself to be of best quality.

Production Methods – Spray Up

Spray-up is another open mold method that can produce complex parts. Chopped fiberglass reinforcement and catalyzed resin are deposited on the mold surface from a combination chopper/spray gun. Rollers or squeegees are used to manually remove entrapped air and work the resin into the reinforcements. Woven fabric or woven roving is often added in specific areas for greater strength. As in hand lay-up, gel coats are used to produce a high quality colored part surface. Spray-up is one of the production methods that we use. If the product ordered is of huge volume and needs fast lamination, we apply spray-up. We are using this method less and less every year due to the advantageous RTM production.

Production Methods – Vacuum Infusion

Vacuum infusion, also called resin infusion, utilizes a vacuum bag to debulk or compact a parts complete laminate ply schedule of reinforcements and or core materials laid onto the mold. Typical resins used are polyester, vinyl ester, and epoxy with many being UV cure initiated. This process can routinely produce large parts bigger than 6m2 such as big waterslide components. This processes added benefits include getting stronger products but light at the same time by using multi axiel mats. It creates a clean, worker friendly environment. It is clear that we will be using this method more and more in our production.

Production Methods – RTM

Resin transfer molding (RTM) is a low pressure closed molding process for moderate volume production quantities, filling the gap between the slow, contact molding processes and the faster, compression molding process, which requires higher tooling costs. Advantages over contact molding methods are a uniform thickness, two finished sides and low emissions. For optimum surface finish, a gel coat would be applied to the mold surface prior to molding. High quality parts are being produced by this method. Polin has been a pioneer in the advancement and application of the Light RTM process. Since 2006, we have converted to Light RTM on 100% of our annual fiberglass production. Closed mould fabrication through RTM offers a number of advantages:

  • - We and eventually our clients obtain products with shining/smooth internal and external surfaces. Therefore the slides are aesthetically far superior than the ones obtained from open moulded processes.
  • - The raw material used in RTM products, that are multiaxial fibres (multiaxial mat), are far more strong than those (chopped strand mat and roving)used in Hand Lay Up and Spray Up methods.
  • - The waterslides by RTM manufacturing is stronger and lighter.
  • Compared to the open moulded processes, we are able to obtain far more homogeneous thickness distribution.
  • - RTM production offers important environmental advantages. It offers a cleaner environment since the styrene emission is much lower than the other 2 methods. Plus, physical waste is much less than the conventional methods. These facts are very important for a company like Polin feeling environmental responsibility.
  • - We obtain a visually superior product.
  • - The brightness and smoothness of the external surface facilitate its usage. Since the surface is smooth, it doesn’t get dirty quickly and is easier to wipe. Now it is much easier to keep the slides clean.
  • - To sum up, we obtain superior waterslides both aesthetically and physically in less time and with less waste.

POLIN is the first European waterslide manufacturer that uses RTM technology in waterslide production and Polin is the single waterslide manufacturer in the World that produces World’s largest waterslide components using RTM technology.

Production Methods – Sanding – Painting - Ovendry

If our products, both fiberglass and steel parts, will be of post painting, these products are getting through sanding process first in our facilities. After painting, the products are cured in an oven.

Steel Production

All steel construction in our projects are designed and engineered by our in-house professional engineers. The production of this steel- hot dipped galvanized- is also undertaken in-house by our experienced team. We export our steel all around the Globe and the steel we produce is installed either by our supervisors or our partners.

Tests

From concept to completion, we enforce strict quality control standards. Everything is controlled at each phase with the Quality Management Systems. The tests conducted by our Quality Department starts with raw material acceptance and continue strictly at every step of each production process. After the completion of production, just before the product is ready for the shipment, we conduct another detailed examination to ensure that the product is technically, physically and aesthetically perfect.

Packing and Shipment

We have established Polin with the best quality and the best service in mind. It has always been our target to produce the finest quality products in the industry. Polin manufactures all of its fiberglass products according to the highest industry standards. From concept to completion, we enforce strict quality control standards . We ensure our customers receiving the finest quality product every time. At Polin, we use only the highest quality raw materials for all of our products. Our manufacturing plants utilize the most advanced manufacturing equipment and procedures. From the beginning to the end, everything is controlled at each phase with the Quality Management System, ISO 9001-2000.Before our products leave the factory, we make a detailed examination and we make sure that each component is carefully prepared and protected for shipping. Our geographic location enables us deliver our products all over the world by air freight, by ship, by high way and by railway in the shortest possible time. Polin guarantees delivery in time.

 
 
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POLIN WATERPARKS

Gebkim OSB, Refik Baydur 6, 41480 Dilovasi – Kocaeli / TURKEY
P: +90 (262) 656 64 67 (pbx) F: +90 (262) 656 64 75 M: +90 532 443 80 23
polin@polin.com.tr
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