What are the differences between fixtures and clamps for testing fixtures?

The term "fixtures" and "fixtures", because of the difference of only one character, can easily lead to confusion and even misuse. Then what are the differences between the fixtures and clamps for testing fixtures? Xiaobian explains to everyone.

     
1, the definition of fixture
Fixtures are a large class of tools for carpentry, ironworkers, locksmiths, mechanics, electric controls, and other handicrafts, primarily as a tool to assist in the control of position or movement (or both). Because Taiwan was once ruled by Japan for a long time, it was accustomed to the term "fixture."

The classification of fixtures: fixtures can be divided into three categories: process assembly fixtures, project test fixtures, and circuit board test fixtures. Among them, the process assembly fixtures include assembly fixtures, welding fixtures, dismantling fixtures, dispensing fixtures, irradiation fixtures, adjustment fixtures, and shear fixtures; while the project test fixtures include the life testing fixtures. , packaging test fixtures, environmental test fixtures, optical test fixtures, shield test fixtures, sound insulation test fixtures, etc.; circuit board test fixtures mainly include ICT test fixtures, FCT function fixtures , SMT stove fixture, BGA test fixture and so on.

The use of fixtures: The reason why fixtures are generated is because of commercial needs, including mechanical fixtures, woodworking fixtures, welding fixtures, jewelry fixtures, and other fields. Certain types of fixtures are also referred to as "molds" or "auxiliaries," the main purpose of which is to repeat and accurately reproduce certain parts. Many types of fixtures are customized, some to increase productivity or to make work more accurate.

2, the definition of the fixture
In a broad sense, any device used to quickly, conveniently, and safely install a workpiece during any process in the process can be referred to as a fixture. Such as welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. Among them, machine tools are the most common, often referred to simply as fixtures. When processing a workpiece on a machine tool, in order to make the surface energy of the workpiece meet the technical requirements such as the size, geometry and mutual position accuracy of other surfaces, the workpiece must be mounted (positioned) and clamped (clamped) before machining. .

The types of fixtures can be divided into: Universal Universal Fixtures, Specialized Fixtures, Adjustable Fixtures, and Combined Fixtures.

What are the differences between fixtures and clamps for testing fixtures? Summary: Although the two are similar in use, the jigs are mainly in working and guiding tools; and the jigs are mainly used to hold the tools in a fixed position. Some devices that have both functions (control and guidance tools) at the same time are also referred to as fixtures, but holding only devices that do not have a guidance tool is called a "fixture" rather than a "fixture." After entering the era of CNC systems, the use of fixtures has been reduced.