Workholding, Fixtures and Jigs
Learn how vises, chucks, clamps, locators, fixtures and jigs establish part position and resist process forces while supporting repeatability.
Work context
Machining and assembly setup
This page shows technical knowledge coverage. Course, assessment and credential availability depends on the applicable Industrial Skillset program.
Relevant roles
Machinists · Assemblers · Manufacturing engineers · Tooling technicians
Prerequisites
Engineering drawings · Workshop fundamentals
Knowledge level
Intermediate coverage with practical workplace context.
Learning outcomes
What this topic is intended to help you understand
- Explain the purpose of locating and clamping.
- Recognize common workholding devices.
- Understand basic constraint, accessibility and repeatability considerations.
Technical scope
Equipment, processes and terminology
- Vises
- Chucks
- Collets
- Clamps
- Soft jaws
- Locating pins
- Datum surfaces
- Modular fixtures
- Jigs
- Poka-yoke features
Workplace practice
How the subject connects to industrial work
- Cleaning locating surfaces
- Confirming seating
- Applying clamping force correctly
- Verifying access and clearance
Quality and safety
Controls that protect people, product and process
- Workpiece ejection risk
- Clamp interference
- Fixture inspection
- Repeatability checks
Technical learning supports understanding. Actual work remains governed by site procedures, machine-specific instructions, engineering requirements, supervision and authorization.
Industrial documents
Documents commonly connected to this subject
- Setup sheet
- Fixture drawing
- Work instruction
- Control plan