Excavator bucket attachments are key structural components that directly contact the soil during excavation. The following is an introduction from the aspects of component composition, classification and characteristics, and manufacturing process:

Component Composition
Excavator bucket attachments consist of components such as tooth seat plates, bottom plates, side plates, wall plates, lug plates, back plates, bucket lug plates, bucket lug sleeves, teeth, tooth seats, guard plates, or bucket corners.

Classification and Characteristics
Classification by Working Method
Backhoe bucket: Articulated with the dipper stick, driven by a hydraulic cylinder. During operation, the digging force is from top to bottom, and the digging trajectory is an arc, suitable for lighter operations such as excavating general clay and loose soil, and loading sand, soil, and gravel.
Front shovel bucket: Hinged to the end of the dipper stick, driven by a hydraulic cylinder. During operation, the digging force is from bottom to top, and the digging trajectory is often an arc, suitable for heavy-duty operations such as excavating hard soil mixed with relatively soft crushed stone or loading crushed stone and gravel.
Classification by Structural Material Properties
Standard bucket: Made of high-quality domestic alloy steel Q345, suitable for lighter operations such as excavating general clay and loose soil, and loading sand, soil, and gravel. It has a large bucket opening area, a large loading surface, a high fill factor, saves operation time, and is highly efficient.
Reinforced bucket: Based on the standard bucket, high-strength and wear-resistant steel materials are used for manufacturing and reinforcement in high-stress and easily damaged areas. For example, the tooth seat plate and side cutting plate in easily damaged areas use high-quality domestic high-strength wear-resistant steel NM360, with thicker plates. It inherits all the advantages of the standard bucket and significantly improves strength and wear resistance, suitable for heavy-duty operations such as excavating hard soil mixed with relatively soft crushed stone or loading crushed stone and gravel.
Mining bucket: Reinforcement plates are added to the bottom, side guard plates are added, and protective plates are installed. The bottom of the bucket uses a double arc design to increase the ground clearance of the heel and reduce wear; an adjustable gap sleeve device is used at the connection with the dipper stick; Swedish HARDOX ultra-high-strength wear-resistant steel is used to extend the product life, and rock-specific teeth are used. Suitable for heavy-duty operations such as excavating soil mixed with harder stones, semi-hard rocks, weathered rocks, and loading hard rocks and blasted ore.
Classification by Working Condition and Function
Earthmoving bucket: Generally used for lighter operations such as excavating clay and loading sand, soil, and gravel. It has a large bucket opening area and a large loading surface, resulting in a high fill factor, saving operation time and increasing efficiency.
Rock bucket: Used for heavy-duty operations such as excavating soil mixed with harder stones, semi-hard rocks, and weathered rocks, and loading hard rocks and blasted ore. High-strength wear-resistant steel is used, resulting in better excavation performance and greater economic efficiency.
Loose soil bucket: Used for hard soil or frozen soil construction operations, generally with single or multiple teeth, sharp teeth, easy to break soil.
Trench bucket: Suitable for excavating various shapes of trenches, forming trenches in one go without the need for finishing, resulting in high work efficiency.
Screening bucket: Suitable for excavating relatively loose materials, completing excavation and separation at once, widely used in municipal, agricultural, forestry, water conservancy, and earthwork projects.
Grab bucket: Vertical grabbing, suitable for foundation pit excavation, deep pit excavation, and loading of relatively loose materials such as coal, sand, mud, and crushed stones, especially suitable for excavation or loading on one side of a ditch or restricted space.
Cleaning bucket and tilting bucket: Suitable for the finishing of slopes and planes, and large-capacity dredging and cleaning of rivers and ditches. The tilting bucket can change the tilt angle of the cleaning bucket through the hydraulic cylinder, greatly improving work efficiency.
Manufacturing Process
The manufacturing process of excavator bucket attachments includes processes such as blanking, turning, milling, drilling, forming, welding, grinding, sandblasting, and painting. Professional processing and manufacturing equipment, such as CNC plasma cutting machines, bevel milling machines, plate rolling machines, welding positioners, and boring machines, are required for high-efficiency and high-quality manufacturing. Welding is a key process, and welding quality directly affects the structural strength and service life of the bucket.