Design knowledge library

CNC Processes and Workholding Library

This library helps engineers, buyers, and product teams navigate CNC process and workholding questions by the decision at hand. Use it to identify the first topic worth investigating, then move through related articles as a part definition becomes a manufacturable process plan. The drawing, material grade, applicable standard, and engineering agreement remain the controlling references.

SUUXIANG • Engineering knowledgePublished 2026-09-27

Multiple tool approaches require a deliberate setup plan.

01 / Reading path

Choose the Question Before the Article

This is a decision library, not a general introduction to CNC machining. Begin by naming the issue that could alter manufacturability, cost exposure, setup count, inspection method, or communication with a manufacturing team. A feature that is difficult to reach, a surface that establishes a datum, or a part that may distort under clamping can all define the most useful first article. When available, the part drawing and requirement notes should frame that choice.

02 / Reading path

Reading Path: Process Selection

Choose this path when the central question is how part geometry influences machining sequence. Articles in this group address feature access, orientation, multi-face work, internal geometry, surface relationships, and the tradeoffs created when operations must be performed from more than one position. Start here for a new design, a revised feature, or a request to compare plausible process approaches. The selected method should ultimately follow the drawing, material grade, process plan, and engineering agreement.

03 / Reading path

Reading Path: Workholding Strategy

Choose this path when the question concerns how a part is located, supported, and restrained during machining. The articles connect clamping choices with datum logic, surface protection, thin-wall stability, repeatability between operations, and access for cutting tools. Start here when a part seems straightforward until the necessary grip points, finished surfaces, or fixture clearances are considered. Workholding decisions must be evaluated against the approved geometry, allowable contact areas, material condition, and defined inspection requirements.

04 / Reading path

Reading Path: Verification and Handoff

Choose this path when the process question is really a communication or verification question. These articles help connect workholding and machining decisions to drawing interpretation, datum references, inspection access, surface requirements, and handoff information. Start here if the part can likely be machined but acceptance criteria remain unclear. A useful review separates design intent from assumed production practice and records the requirements that control the answer before a process is finalized.

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Engineering article

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CNC Processes and Workholding Library

Choose the Question Before the Article

Reading Path: Process Selection

Reading Path: Workholding Strategy

Reading Path: Verification and Handoff

Read this topic

Thread Milling vs Tapping

Boring vs Reaming for Precision Holes

Climb Milling vs Conventional Milling

Roughing vs Finishing in CNC Machining

Face Milling vs End Milling

Plunge Milling vs Pocket Milling

3+2 Machining vs Simultaneous 5-Axis Machining

Soft Jaws for CNC Workholding

Collets vs Chucks for CNC Turning

Vacuum Workholding for Thin CNC Parts

Sacrificial Tabs and Holding Features in CNC Design

In-Process Probing vs Final Inspection

Turn the drawing into a clear manufacturing brief.