Project focus: Robotics

Supplier Matching Case Study: Robotic Joint Housing and Shaft Set

This case study focuses on RapidMfgPro's role in reviewing project requirements and identifying suitable independent suppliers. Customer and supplier names are omitted.

RapidMfgPro did not manufacture the part. Manufacturing quotations, production commitments, inspection results, and contractual terms are provided by the independent supplier selected for the project.

Robotic Joint Housing and Shaft Set

Supplier-matching focus: This case study explains how project requirements were converted into supplier-screening criteria, quotation questions, and quality checkpoints.

Primary processCNC Milling and Turning
Material focusAluminum and Steel
ApplicationRobotics

Project Overview

A buyer needed a milled housing and turned shaft that would function together in a robotic joint. RapidMfgPro reviewed both part drawings and the assembly model, focusing on bearing locations, shaft diameters, mounting interfaces, material choices, quantity, finish, and the required movement or fit.

Customer Sourcing Requirement

The sourcing challenge was coordinating two different machining processes while controlling the relationship between mating features. A supplier or supplier combination had to understand bearing fits, bore alignment, shaft runout, datum relationships, and assembly verification.

How RapidMfgPro Matched the Process and Supplier

RapidMfgPro screened suppliers for CNC milling and turning capability, experience with bearing seats and precision shafts, coordinated inspection, matched-part handling, material sourcing, and the ability to machine an initial set for fit review. Quotation questions required suppliers to explain how critical interfaces would be controlled across both parts.

Supplier Evaluation and Quality Priorities

Evaluation priorities included bearing bores, shaft diameters, runout, mounting faces, alignment features, surface finish on functional areas, assembled movement, and traceability between inspected mating parts when required.

Supplier Match Result

The project was directed toward suppliers capable of managing the housing and shaft as one functional assembly. Final supplier approval depended on technical responses, inspection capability, quotation, and the buyer’s assembly requirements.

Information Prepared for Supplier Quotation

  • 3D CAD model and the latest 2D drawing revision.
  • Material grade, required quantity, and expected production stage.
  • Critical tolerances, fits, threads, sealing surfaces, or appearance requirements.
  • Surface finish, inspection documents, packaging, and delivery expectations.

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