Cantilever LD Film Slitting Machine
Controlled Slitting & Rewinding for Flexible LD Film
The Cantilever LD Film Slitting Machine is used for cutting wide rolls of LD/LDPE film into narrower rolls needed for packaging and conversion processes. LD film is soft and hence requires controlled tension in order to prevent stretching, wrinkling, or poor reel formation among other problems. The machine offers controlled movement of the web from unwinding to slitting to rewinding in order to ensure that the film remains stable during production. Controlled web guidance ensures that the film is accurately guided prior to slitting while the cantilevered rewind system allows for easy accessibility to the wound rolls.
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Slitting Designed Around Flexible LD Film Behaviour
The LD film responds fast to any changes in tension due to its flexible and stretchable nature. In order to have consistency during conversion, the web should be maintained and guided correctly when moving through the slitting stage.
Proper positioning of the knives will ensure that the required width is achieved without subjecting the film edges to any additional stresses. The web guiding ensures that the material moves in the correct direction, while adjusting operating parameters makes the equipment adaptable to various types of LD films.
This ensures that narrow reels of LD film of required dimensions are produced.
Stable Rewinding for Soft & Stretchable Films
Rewinding the LD films should be done through controlled tensions to ensure that the finished roll will not be wound too tightly or too loosely. The equipment is able to maintain an equal material motion as the increasing diameter of rewind takes place.
Good winding control contributes to reduced stretching, wrinkling, loose winding, and telescoping in order to ensure uniformity of the finished rolls. Equal reel formation facilitates easier material feeding during the conversion process.
The use of cantilevered rewind system makes it easy to deal with the removal of the finished roll.
Why LD Film Requires Balanced Tension Control
LD film can have its structure deformed by excessive tension on it. This type of web material does not always have stable behavior when tension is low enough. It is important to keep tension within certain limits during slitting and rewinding in order to ensure good reel performance.
Controlling web transport enables one to maintain the film condition. Good slitting allows the film to be slit into the right width to prepare reels for further processing. Winding can prevent deformation of the reels during transportation.
It is possible to adjust the machine depending on the properties of LD film and converting needs.
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Packaging Applications
- Secondary Packaging Film: Suitable for LD film used as an outer protective layer around compatible packaged products.
- Industrial Component Packaging: Prepares flexible film reels for selected industrial wrapping and protective packing requirements.
- Textile Packing Film: Can process compatible LD films used for garment and textile product packaging.
- General-Purpose Poly Bags: Suitable for preparing film rolls used in various polyethylene bag-making operations.
- Protective Packaging Film: Produces required reel widths for flexible films used to cover and protect different products.
- Garbage Bag Material: Suitable for converting LD film used in selected garbage and waste bag manufacturing.
- Carry Bag Film Rolls: Prepares LD film reels for compatible carry bag and shopping bag production.
Key Features
- Consistent Roll Profile: Supports uniform reel formation for easier storage and further processing.
- Cantilever Reel Handling: Provides convenient access for removing completed LD film rolls.
- Flexible Winding Adjustment: Rewind conditions can be matched with film thickness and reel requirements.
- Wrinkle Reduction Control: Stable web movement helps minimize folds and wrinkles during processing.
- Accurate Reel Width Formation: Maintains consistent slit dimensions for downstream converting.
- Stable Low-Tension Web Travel: Supports smooth handling of flexible and lightweight substrates.
- Soft-Film Tension Control: Helps maintain suitable tension without unnecessarily stretching LD film.
Frequently Asked Questions
It provides easier access to completed reels, making roll removal and production changeovers more convenient.
Yes. The parent web can be slit into multiple narrower reels according to the selected cutting arrangement.
Controlled tension, proper web guiding, and suitable rewinding conditions help minimize wrinkles and irregular film movement.
Yes. Compatible LD film can be prepared in suitable reel widths for different downstream bag-making applications.
Yes. The slitting arrangement can be adjusted according to the required finished widths within the machine's configured range.
LD film can stretch or wrinkle when tension is unsuitable, so controlled tension helps maintain stable processing and reel formation.
The machine can be configured for compatible LD and LDPE films according to their thickness, width, flexibility, and winding requirements.
