Arbor Press Modded for Applying Specific Force


Arbor presses are simple and effective tools made for a particular task: exerting force in a specific spot. A 1-ton arbor press fits on a desktop and is very affordable, but doesn’t offer a lot of particularly fine control over the ram beyond lowering and raising it. [concreted0g] got to thinking about ways to gain more control and knowledge about the amount of force being applied, and made a simple modification to combine his press with a torque wrench.

He removed the spindle which raises and lowers the ram, and drilled and tapped it to fit a bolt. Now, by attaching a torque wrench to the bolt and using the wrench as the handle for lowering the ram, he can take advantage of the wrench’s ability to break at set amounts of force. As a result, he has a repeatable way to accurately apply specific amounts of force with a tool that usually lacks this ability. It looks like this mod is limited to lower forces only (too much could shear off the bolt head, after all) but it combines two tools in an unusual way to gain an ability that didn’t exist before, which is great to see. Mods and presses seem to go very well together; don’t miss this DIY thermal insert add-on for an arbor press, and 3D printed dies for a press brake turned out to be remarkably durable and versatile, not to mention economical.



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