FOR SALE: The Polar SK EG 4 Mini, built in 1995, is a precision cutting machine designed for paper processing. This specific model has a maximum cutting capacity of 41 inches (105.49 cm), making it ideal for operations requiring clean, precise cutting of large sheets. This high-performance guillotine is often used in the printing, bookbinding, and packaging industries.
Visually, the Polar SK EG 4 Mini features a robust and compact design, typical of Polar machines, featuring a large cutting area and a sturdy worktop. It is constructed of reinforced steel to ensure stability and durability. The machine has a mechanical control system, with manual adjustments for cutting pressure and material positioning.
Main components:
Measurements and technical specifications:
Mechanical Features: The Polar SK EG 4 Mini uses a mechanical blade movement system, which can be adjusted to vary the cutting force and speed based on the type of material being processed. It is equipped with photocells to ensure safety during cutting, so the machine stops automatically if it detects an obstacle.
How to use: Operation is relatively simple: the material is placed on the work table, aligned with the rear guide, and clamped. The operator sets the desired cutting length and activates the cutting cycle via a start button. The blade descends quickly and precisely, ensuring a clean cut even on thicker materials.
Matching accessories: The machine can be equipped with optional accessories such as an air blowing system on the work table to facilitate the movement of the sheets, or a lift to stack the cut sheets.
Formulas for optimal operation: To obtain optimal cuts, it is possible to apply formulas that balance the cutting speed and blade pressure as a function of the thickness and density of the material being cut. For example, the optimal cutting force (F) can be calculated using the formula: F=(S×T×D)F = (S \times T \times D) Where:
Workable materials: The Polar SK EG 4 Mini is designed to work primarily with paper and cardboard, but can also be used to cut thin plastics and some types of film.
Maintenance: Regular maintenance is essential to keep the machine in good working order. Lubricate moving parts, replace the blade when it becomes dull, and periodically check the photocell safety system. An annual electrical inspection is recommended.
Safety regulations: If the machine is not CE certified, it is important to update it to comply with current regulations. This may include installing safety barriers, adding more modern photocells, and updating the emergency stop system.
Evaluating a Good Used Machine: To evaluate whether a used Polar SK EG 4 Mini is in good condition, you should check the condition of the blade, the functioning of the photocells, the smoothness of the blade movement, and the integrity of the structure. It's also important to check whether the machine has been regularly maintained and whether the electrical components are in good condition.
Areas of use: The Polar SK EG 4 Mini is widely used in the printing, bookbinding, packaging production and any industry that requires precise cutting of materials on large sheets.
Buying a used Polar machine, such as the SK EG 4 Mini model, is often advantageous because it offers high performance at a lower cost than a new one, with the possibility of finding well-maintained and ready-to-use machines.
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