Dongguan Qida Hardware Plastic Parts

Both of these models are plastic parts produced by Xinqida.

The following is a specific analysis of its characteristics.

Appearance and Structure:

The first type is a gear-like component with teeth, featuring a gear tooth profile, a hexagonal bore in the middle, and a stepped structure. It belongs to the transmission component category and transmits motion and power through the meshing of gear teeth.

The second type is a square ring component with a special outer structure (like a slot or protrusion); the outer structure is used for connection and positioning, while the square bore facilitates fitting with corresponding shafts/structures.

Performance Speculation:

Lightweight:

The low density of plastic can reduce the overall weight of the equipment, making it suitable for weight-sensitive scenarios (such as small devices and automation equipment).

Friction Reduction and Wear Resistance:

Plastic has good self-lubricating properties, which can reduce friction and wear to some extent, lowering transmission noise. However, its wear resistance is inferior to that of metals, making it suitable for low-load and medium-low-speed conditions.

Chemical Resistance:

It has resistance to certain chemicals (such as weak acids, weak bases, and common solvents), providing advantages in mildly corrosive environments (such as food processing and light industry).

Application Scenarios:

The first gear-like component, due to its transmission structure, is used in small transmission systems such as office equipment (paper feeding/transmission mechanisms in printers and copiers) and small automated devices (power transmission in toys and simple conveyor systems), achieving speed and torque conversion through gear tooth meshing.

The second component, with its special outer structure for connection and positioning, features a square bore that fits square shafts/rods, playing roles of connection, direction change, or limiting in modular equipment and assembly line tools, for instance in chain/belt connections in small conveyor lines and joint fittings in simple robotic arms.

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