A Jig controls and guides the cutting tool to work predefiend location on workpiece. Fixtures are used for supporting and locating a workpiece

Question

Accepted Answer

A jig is used to control and guide the cutting tool to a specific location on a workpiece, while fixtures are used to support and locate the workpiece.

Jigs are typically used in machining operations to ensure accuracy and repeatability.
Fixtures are often used in manufacturing processes to securely hold the workpiece in place.
Jigs and fixtures are essential tools in tool and die making, as they help in achieving precise and consistent results.
For example, a jig may be used in drilling holes in a metal plate, while a fixture may be used to hold a workpiece in place during milling operations.

Accepted Answer

lengths.

Understanding Jig & Fixture Construction

Figure 4-19. V sections are often used as V blocks to locate cylindrical parts.

Square Sections: Square cast sections, shown in Figure 4-20, are typically used as major structural elements. This includes riser elements, supports, or four-sided tooling blocks. Square sections come in four standard sizes, from 3.00" to 8.00" square, with each size available in 6.00" or 25.00" lengths. All external surfaces, except for the ends, are precisely machined.

Understanding Jig & Fixture Construction

Figure 4-20. The square cast section.

Rectangular Sections: Like square sections, rectangular cast sections are often used as structural elements in workholders. These sections work well for base elements, riser blocks, or similar features. Rectangular sections are available in three standard sizes, from 4.00" x 6.0" to 8.00" x 10.00", and come in 6.00" and 25.00" lengths. Here, too, all external surfaces except the ends are precisely machined.

Understanding Jig & Fixture Construction

Figure 4-22. The rectangular cast section.

H Sections: H-shaped cast sections, seen in Figure 4-23, are uniquely designed for either complete tool bodies or structural elements, shown in Figure 4-23. These sections are nearly square and come in five sizes ranging from 3.00" x 3.00" to 8.00" x 8.00". All H sections are made at 6.00" and 25.00" lengths.

Understanding Jig & Fixture Construction

A Jig controls and guides the cutting tool to work predefiend location on workpiece. Fixtures are used for supporting and locating a workpiece

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