Trustworthy CNC machined custom pinwheel 304 stainless steel precision parts

CNC machining, especially multi-axis precision milling, with its digital and intelligent manufacturing capabilities, has become the core means to overcome this challenge, endowing stainless steel pinwheels with precision, consistency, and complex design freedom unattainable by traditional processes.

High-precision CNC machined custom 304 stainless steel pinwheel precision parts

I. Achieving Stable Manufacturing of High-Precision Complex Tooth Profiles

1) The precision of the pinwheel tooth profile directly determines the smoothness of transmission and load-bearing capacity. Stainless steel is prone to work hardening during cutting, and traditional generating methods easily lead to deterioration of tooth surface quality and decreased precision. CNC precision gear milling technology, through multi-axis linkage and dedicated software, fundamentally changes this situation:

2) Precision forming of arbitrary tooth profiles: Whether it is a standard involute tooth profile, or modified teeth, convex teeth, or non-standard tooth profiles designed to optimize meshing performance, CNC can achieve this through precise programming of toolpaths.

3) Overcoming the effects of work hardening: By optimizing cutting parameters and cooperating with precise high-pressure coolant injection, CNC machining can effectively suppress the accumulation of cutting heat and control the depth of the work-hardened layer, thereby obtaining a tooth surface with excellent surface integrity and avoiding early pitting or spalling caused by hardening.

II. Support for High-Hardness Materials and Precision Machining After Heat Treatment

1) To meet wear resistance requirements, stainless steel pinwheels often require surface low-temperature ion nitriding and other heat treatments. Dimensional changes and minor deformations caused by heat treatment are fatal to high-precision gears.

2) Pinwheel blanks undergo roughing and semi-finishing, retaining finishing allowances; after heat treatment, high-rigidity CNC machine tools are used.

3) Achieving a balance between ultra-high surface hardness and precision: Pinwheels manufactured using this process maintain extremely high tooth profile precision and low surface roughness while possessing high hardness, resulting in a qualitative leap in wear resistance and anti-galling capabilities.

III. Achieving Integration of Complex Structures and Ultra-High Geometric Tolerances

1) Modern compact transmission designs often require pinwheels to be integrated with other structures. Traditional separate machining and assembly suffers from alignment errors.

2) Integrated Milling and Turning Machining: CNC milling and turning centers can complete the precision machining of the pinwheel’s inner bore, end face, outer diameter, and all tooth profiles in a single setup. This integral molding method ensures that the coaxiality and end face runout between the gear ring and the mounting reference reach extremely high levels (such as coaxiality ≤ 0.01mm), significantly improving the overall rigidity and motion accuracy of the transmission assembly.

Company Profile

5-axis CNC workshop

         Our factory has a plant area of about 2,000 square meters and masters core processing technologies. It has high-end precision production equipment cnc precision: CNC lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc. 2.5-dimensional detection equipment ​

two-dimensional testing

cnc precision surface treatment

          For surface treatment, our suppliers have been working with us for many years. They have rich experience and are familiar with all the quality requirements of each other. The quality is stable and more guaranteed. Such as: heat treatment, spray painting, powder coating, blackening, silver/gold plating, electrolytic polishing, nitriding, phosphating, nickel/zinc/chromium/TiCN plating, anodizing, polishing, passivation, sandblasting, galvanizing, heat treatment , hardening, laser marking, etc. according to customer requirements. Aluminum alloy surface oxidation

Product Packaging

Packaging Details

1. Commercial packaging: 1pc/plastic bag + color box +carton + pallet;
2. Industrial packaging: (1). plastic tube + carton + pallet; (2). plastic bag + kraft paper + carton + pallet;
3. According to the requirement of customer.