Ice maker blade (screw)

Ice maker blade is one of the core components of the flake ice maker, mainly used to cut the ice layer formed on the inner wall of the evaporator, peel off and break the ice cubes into specific shapes of flake ice. Its core features and technical points are as follows:

1、 Core functions and working principles
Ice cutting
The ice blade is fixed on the spindle and scrapes the ice layer on the inner wall of the evaporator by low-speed rotation. The thickness of the ice layer is usually controlled at around 2mm. After cutting, it forms a thin sheet of ice and slides down to the storage refrigerator by gravity.
Collaborative system operation
The ice making process is completed by coordinating the ice cutter with the evaporator, circulating water pump, and spindle drive system. The water quickly cools and freezes on the surface of the evaporator, and the unfrozen water flows back to the water tank through the flow channel for recycling.

2、 Ice blade material and structural parameters
Common materials
Ice skates are often made of stainless steel materials (such as SUS304, SUS316) to ensure corrosion resistance and stability in low-temperature environments.
Key design parameters
Blade precision: The tip width is 0.4-0.5mm, ensuring uniform thickness of the ice sheet.
Tolerance control: The bearing position aperture tolerance is ≤ 0.01mm, and the concentricity at both ends is ＜ 0.04mm to ensure rotational stability.
Spiral direction: mainly designed for right-hand rotation, suitable for different ice maker models.

3、 Classification and adaptation scenarios
Blade type
Spiral blade: suitable for continuous cutting, with high ice crushing efficiency, commonly used in medium and large ice making equipment.
Rake blade: suitable for specific ice peeling scenarios, with a simplified structure.
Application Fields
Including preservation of aquatic products, low-temperature storage in laboratories, chemical cooling, etc., it is necessary to adapt to the scene requirements according to the specifications of ice flakes (such as thickness and contact area).
4、 Maintenance and Performance Optimization
Drive system matching
Ice skates are driven by a reduction motor or gear set, and the speed needs to be synchronized with the freezing rate; Some high-end models use fully enclosed compressors to extend the motor life (such as the Panasonic laboratory ice maker motor life of 18000 hours).
Maintenance points
Regularly check the blade wear and bearing lubrication status.
Clean up residual ice residue to avoid lagging or decreased refrigeration efficiency