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Stacking hatch covers. Wheels are fitted which help in the sliding of the panel either athwartship in case of side rolling or longitudinally in case of end rolling. 주로 대형 선박에 채택 된다. 배의 길이 방향으로 이동하는 Hatch cover을 end rolling type 이라 한다. These type of hatch covers are usually fitted on large ships. Rolling type. It is opened and closed on one or both ship side direction, or fore/aft direction on special ship type. The single folding-type hatch cover can be operated from a specific hatch as necessary. Weather deck covers—rolling type. The main objective of Hatch covers is to prevent the ingress of water into the cargo hold. Stacking hatch covers for weather decks are usually all hydraulic in operation and the panels move into stowage or closure positions in a specific sequence. When the cylinder pushes the panels through the end hinge arm, the hatch cover is folded and moves along the rail at the same time and opened fully. The rolling type hatch cover is designed for installation in various bulk cargo carries. MacGregor side-rolling hatch covers are commonly used on the weather decks of larger bulk carriers, such as Panamax and Capesize vessel types. 4 Marine Hatch Cover Market: Technology Type Analysis. 4.3.2 Rolling type These means may be fixed to the cover sections or they may form elongations of two sides of the hatch coaming. The Single folding-type Hatch Cover is a pair consisting of two panels and is driven by a hydraulic cylinder. 횡 방향으로 이동하는 것을 side rolling type이라 한다. - Pontoon hatch covers – Pontoon type hatch covers feature a flat top and flat bottom plate and are weathertight. 2) Rolling type : Hatch cover 저장 공간이 Hatch의 ship side측에 있고 Hatch cover panel이 배의 . - Rolling hatch covers – Rolling covers are divided into two main types considering opening direction. TTS Ships Equipment side rolling hatch covers are of a simple, but cost- www.tts-marine.com Open the catalog to page 1 One method of operation of side rolling hatch covers is by rack and pinion, pictured right, where a rack is located transversely in the centre of the underside of each panel. As ingress of water can damage the cargo in the hold. Hatch covers of this type are usually called side-rolling covers, and the sections are in open position supported by means arranged outside the coaming surrounding the opening. Now depending on the cargo and other factors like maintenance cost, One-time manufacturing cost, Hatch covers can be broadly divided into the following types. When the cylinder pushes the panels through the end hinge arm, the hatch cover is folded and moves along the rail at the same time and fully opened. These covers roll to stow on the sides of a hatch (side-rolling) and are mainly used by bulk-carriers. The single folding-type hatch cover can be operated from a specific hatch as necessary. The Single folding-type Hatch Cover is a pair consisting of two panels and is driven by a hydraulic cylinder. The usual arrangement is for one panel to stow on the port side, while the other stows on the stbd side. Rolling type hatch covers consists of two covers at the end of the hatchway. They roll on rails and they are driven by a rack and pinion mechanism. 4.1 Marine Hatch Cover Technology Type Market Share Analysis, 2018 & 2026 4.2 Marine Hatch Cover Technology Type Market: Segment Dashboard 4.3 Market Size & Forecasts and Trend Analyses, 2015 to 2026 for the Technology Type Segment 4.3.1 Sliding type. The weight of the cover, and any cargo stowed on it, is transferred to the ship structure by bearing pads. Rolling type Hatch Cover . - Pontoon hatch covers rolling type hatch cover to prevent the ingress of water into the in! 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