Jig Bushings

Locating Positioning

JIG BUSHINGS

Used in the manufacture and assembly of clamping devices called jigs. A jig is a tool or device used to precisely guide, clamp or position a workpiece during a manufacturing process.

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Applications

Jig bushings are used in several industrial sectors where automation and precision in manufacturing processes are required, here are some examples:

Automotive: Used in the manufacture of components such as bodies, chassis, suspension systems and engines. Help in the positioning and clamping of parts during assembly, as well as in the guidance of tools during machining processes.
Aerospace: Jig bushings play a crucial role in the manufacture of aircraft and spacecraft components. Used in the production of structures, wings, fuselages and other elements, ensuring precise alignment and tool guidance during the machining process.
Electronics: In the manufacture of electronic products, such as mobile devices, computers and electronic components, jig bushings are essential for maintaining precision in the assembly and soldering of circuit boards, as well as in the manufacture of housings and other components.

MISUMI inCAD Library

Example No.000045

The assembly shown corresponds to a hand press.

In this example, two bushings are used to guide the
linear movement of the press.

Functions

Positioning and alignment: are used to accurately set and position workpieces within the jig. Allow the parts to be correctly adjusted to the required tolerances and specifications, ensuring that are properly aligned.
Guide: act as guides for tools such as drills, bits or other cutting tools. Provide a guide hole that helps maintain accuracy and stability during the machining operation.
Wear reduction: help protect the jig from wear due to friction and repeated insertion and removal of parts. By using bushings, wear occurs on the bushing itself, which is easier and cheaper to replace, rather than wearing out the entire jig.
Flexibility and replacement: can be easily interchanged to suit different sizes or shapes of workpieces. This provides flexibility to the jig and allows it to be reused for different applications.

Types of Bushings

Straight

Shouldered

Flanged

Commonly used for its versatility in all types of applications, it can be requested with a specific
tolerance for a press fit.

It is normally used in Jigs that were not designed to support a bushing by pressure, in this
case it is supported by a support on the bottom of the bushing.

A flange is a robust and extended support, in this case it includes drillings to be able to fix the bushing to the jig by means of screws.

Configurable Features

The shape of the bushing bore has a great influence on the application of the bushing, since it is the most important part as it is where the axle is supported and rotates.

Round

Grooving

It is the most used form in the industry in terms of bushings for Jigs and bushings in general, this form allows us to completely secure the shaft so that it does not have unwanted movements and can rotate freely without any restriction.

It is not very common in the industry, but when necessary it is quite useful, this type of shape allows the shaft to move in a rotational and linear way, usually locating pins with specific supports are used to provide a good sliding.