Precision Double Gear Disc

Addressing the stringent requirements for coaxiality and smooth meshing of internal and external gear rings in transmission modules, this double-gear structure achieves a rigid connection between a large-diameter external gear and a small-diameter internal gear through integrated molding or precision assembly processes. The central through-hole, equipped with keyways or spline interfaces, establishes a robust torque transmission relationship with the drive shaft. This component is commonly used in power distribution units for industrial reducers, automated conveyor lines, and heavy machinery, effectively meeting the need for compact spatial layout in multi-stage transmissions.

The core of manufacturing lies in strictly controlling the relative positional tolerance of the internal and external gear profiles and the tooth surface roughness to ensure low noise and long service life under high-speed rotation. For the thick-walled disc features shown, it is crucial to manage the coaxiality of the inner hole relative to the outer circle and the flatness of the end faces to prevent radial runout or concentrated contact stress after assembly. The machining process typically involves turning reference surfaces, milling or hobbing, followed by heat treatment and precision grinding. This places high demands on tool path planning and clamping rigidity, requiring reasonable allocation of cutting allowances to suppress stress deformation caused by material removal.

Leveraging high-precision vertical machining centers, CNC lathes, and specialized gear processing equipment at our Dongguan facility, we offer full-cycle services from single-piece prototyping to small and medium-batch delivery. By combining Coordinate Measuring Machines (CMM) with gear inspection instruments, we implement closed-loop control over critical dimensions, geometric tolerances, and tooth surface quality to ensure consistency in batch deliveries. Purchasers are required to provide 2D/3D drawings specifying material grades (such as #45 steel, alloy steel, or stainless steel), module, pressure angle, heat treatment hardness requirements, and surface finish standards. We will evaluate costs and lead times based on drawing complexity, material utilization, and inspection standards.