What Are Custom Parts?
Custom parts refer to non-standard components that are custom-designed based on specific application requirements and cannot be replaced by off-the-shelf products in the market. These parts are typically customized in terms of dimensions, functionality, tolerances, materials, or surface treatments to meet performance demands that standard parts cannot fulfill.
Why Are Custom Parts Needed?
In real-world engineering applications, standard components may not be suitable due to space constraints, structural interferences, special loading conditions, or material requirements. Custom parts are precisely designed according to the operating environment and mating components, providing an effective solution for non-standard installation or high-demand applications.
Manufacturing Process of Custom Parts
- Requirement Confirmation & Application Analysis
Analyze the part’s intended use, assembly position, loading conditions, and expected lifespan to define design criteria and manufacturing constraints. - Design & Feasibility Evaluation
Design the part's dimensions and select materials based on application needs. Technical discussions are held regarding tolerances, heat treatment, and surface treatment to assess feasibility and cost-effectiveness. - Tooling & Processing Strategy
Most custom parts require dedicated molds or fixtures. The appropriate manufacturing method is selected—such as CNC machining, forging, or mill-turn processes—to balance precision and cost. - Sample Production & Verification
Initial samples are produced for fitment tests or structural validation, ensuring the design meets functionality and stability requirements in actual application scenarios. - Mass Production & Quality Control
Upon sample approval, mass production begins with quality control processes including dimensional inspections, material analysis, and surface treatment verification to ensure compliance with design specifications.
- Requirement Confirmation & Application Analysis
Manufacturing Capabilities & Services
Watai offers a wide range of custom part manufacturing capabilities, including:
- Cold forging, thread rolling, tapping
- Heat treatment (tempering, case hardening)
- Surface treatment (zinc plating, zinc-nickel, phosphate, Geomet, coatings, etc.)
- Customized packaging and labeling
- Technical documentation support such as material certificates, dimensional reports, and functional validation reports
Whether for small-batch development, sample production, or stable mass production, we provide comprehensive manufacturing processes and technical support to help customers realize their design ideas.