3463783 XCMG GR2605 motor grader adjustment pad

3463783 XCMG GR2605 motor grader adjustment pad

The 3463783 adjusting shim is a thin metal shim used in engineering machinery for precision adjustment of clearances, distances, or angles. It is primarily used to compensate for manufacturing and assembly tolerances of components, ensuring that core transmission components such as gears and bearings receive the correct meshing clearance, axial clearance, or preload, thereby guaranteeing smooth transmission and reducing wear.

Core Technical Parameters

Model: 3463783, a standard part number for a specific adjusting shim. Its material, thickness, inner and outer diameters, etc., are specific to the precise assembly position of a particular equipment model.

Material: Typically made of high-quality low-carbon steel (such as 08Al, SPCC), spring steel (such as 65Mn), or stainless steel, possessing good flatness, toughness, and a certain degree of elasticity.

Operating Temperature: Adaptable to the typical working environment of engineering machinery, usually -30℃ to 120℃, maintaining dimensional stability and mechanical properties within this range.

Thickness Specifications: Available in various standard thicknesses (e.g., 0.05mm, 0.1mm, 0.2mm, 0.5mm, 1.0mm, etc.), allowing for micron-level precision adjustments through single-piece or combination use.

Shape and Size: Primarily flat ring-shaped (with or without holes), but square or other custom shapes are also available. Its inner diameter, outer diameter, and mounting hole positions perfectly match the target mounting location (e.g., bearing housing, gear shaft).

Surface Treatment: Commonly bluing, phosphating, or galvanizing treatments to prevent corrosion during storage and use, and to reduce friction during assembly.

Core Functions and Roles

As a core compensating element for achieving high-precision assembly, its function is to precisely fine-tune the axial or radial relative position between two or more parts by increasing or decreasing its thickness. In the assembly of core transmission components in construction machinery (such as gearboxes, drive axles, and rotary reducers), it is used to precisely set the preload of tapered roller bearings, the meshing backlash of cylindrical gear pairs, and axial positioning clearance, or to compensate for accumulated machining errors on the mating surfaces of structural components such as housings and end covers. By using adjusting shims, costly reprocessing of large base components can be avoided, achieving the required assembly precision economically, flexibly, and accurately. This ensures smooth operation of the transmission system, uniform load distribution, extended bearing life, and effectively reduces vibration and noise. It is a key precision component ensuring the transmission performance and reliability of equipment.

Applicable Scenarios

Widely used in core components of construction machinery with extremely high assembly precision requirements, such as gearboxes, drive axles, main reducers, rotary reduction mechanisms, and axial clearance adjustment of hydraulic pumps/motors. Commonly used in critical assembly processes such as adjusting differential bearing preload, meshing marks and clearances of primary and driven gears, and axial clearance of planetary gear sets. It is an indispensable standard component in equipment manufacturing, overhaul, and precision maintenance.

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17 3454023 Set
18 72637 Lubricating Oil Cup
19 70262 Bolt M20×1.5×70
20 3461703 Locking Plate
21 3454043 Washer
22 3349823 Disc
23 3454033 Washer
24 3349913 Adjusting Shim 0.45
25 3463783 Adjusting Shim 0.18
26 3349903 Adjusting Shim 0.15
27 3516073 Seal
28 3454813 Support
29 70398 O-ring

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