Tooling & Workholding

Exploring the: Workholding Zone
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Vise System for Quickly Clamping 16 Parts

A New York job shop minimizes setup and change-over time with a homegrown system consisting of closely spaced double-acting vises embedded into a plate. After using it for decades, the shop is now supplying this system to other shops.


What’s a Parakeep?

According to its manufacturer, it’s a device that effectively keeps workholding parallels in place while a vise is opened and closed.


Video: Automation Inside the Workzone

What is automation? Not just a robot. Technology for holding, moving and measuring the part inside the machine can also achieve considerable time and labor savings.


Why Not Lights-Out Inspection?

A contract shop in Connecticut is developing a process to enable its new CMM to inspect multiple parts unattended, thereby minimizing the impact that part measurement has on the company’s bottom line.


Workholding That’s on Point

A pin-based workholding system quickly accommodates workpieces of any shape.


Video: Compensating for a Bad Center Hole

Center hole drilled off-center? A compensating live center can save parts from becoming scrap.


Video: Robot Changes Vise Jaws for Continuous Machining

If a robot can load and unload parts, why can’t it do the same for workholding? Here is video of a robot changing the vise jaws so the same machining center can run different operations in unattended machining.


Video Highlights Value of Pedestal Workholding

For multi-axis machining, a good workholding fixture gets the part away from the worktable surface, yet holds the part securely for aggressive machining. This video shows a dovetail pedestal doing this job in a 3+2 application.


What to Know about Torque Motors

Torque motors are commonly used in indexing tables on machine tools. This succinct article helps you evaluate this and other applications in which power transmission for rotation calls for the advantages of a torque motor.


Ball-Drive System for Accurate Table Rotation

This rotary table design is said to offer zero backlash/reversal error while providing high accuracy, rigidity and torque transfer.


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Self centering vise is a cost effective and universal workholding method for five sided machining.