In the manufacturing industry, jigs and fixtures are a very important process equipment, which is mainly used to fix the workpiece to ensure the stability and machining accuracy of the workpiece in the machining process. Below, we will introduce the definition, classification and application of jigs and fixtures in detail.
1.Definition of jigs & fixtures
Jig & Fixture is used to fix the workpiece, guide the tool, ensure machining accuracy of the process equipment. It is usually composed of positioning elements, clamping elements, tool elements, connecting elements and other institutions. In the machining process, fixtures can stabilize the workpiece fixed on the machine tool or machining equipment to ensure the smooth progress of the machining process.
2.Classification of jigs &fixtures
According to the use of different occasions and functions, fixtures can be divided into the following categories:
General fixture: general fixture is a standardized fixture, applicable to a variety of different workpieces and processing requirements. It usually consists of some basic components, such as clamp specific, positioning elements, clamping elements, etc., can be combined and adjusted according to the need to use.
Specialized fixture: Specialized fixture is a kind of fixture designed for specific workpiece and machining requirements. It is usually customized according to the shape, size and machining requirements of the workpiece, with high precision and stability.
Group fixture: Group fixture is a kind of fixture applicable to a group of similar workpieces. It can realize rapid clamping and machining of multiple specifications by analyzing and designing the common characteristics of a group of workpieces.
Combined fixture: Combined fixture is a kind of fixture composed of several independent components. It can be combined and adjusted according to the needs of use, applicable to a variety of different workpieces and processing requirements.
Automation fixture: Automation fixture is a kind of fixture suitable for automated production line. It is usually used in conjunction with robots, CNC machine tools and other automation equipment, can realize the automatic clamping and processing of the workpiece.
3.Application of jigs &fixtures
Jig & Fixture have a wide range of applications in the manufacturing industry, the following are some common application scenarios:
Machining: In machining, jigs & fixtures are used to fix the workpiece to ensure the stability of the workpiece in the cutting process and machining accuracy. For example, in the milling machine using a flat vise to fix the workpiece for milling processing.
CNC machining: In CNC machining, jigs & fixtures are used to fix the workpiece to ensure the stability and machining accuracy of the workpiece in the cutting process. For example, in the CNC milling machine using vacuum suction cups to fix the workpiece for milling processing.
Welding: In welding processing, jigs & fixtures are used to fix the workpiece to ensure the stability and welding accuracy of the workpiece in the welding process. For example, in automobile manufacturing, the use of positioning fixtures to fix the body for welding operations.
Assembly operations: in assembly operations, fixtures are used to fix the parts to ensure the stability of the assembly process and assembly accuracy. For example, in the manufacture of home appliances using assembly fixtures to fix parts for assembly operations.
Inspection: In the inspection operation, the fixture is used to fix the workpiece to ensure the stability and accuracy of the inspection process. For example, the use of positioning fixtures to fix the workpiece in the coordinate measuring machine for testing operations.
In short, jigs & fixtures in the manufacturing industry has an important role, it can improve production efficiency, quality assurance, reduce production costs. With the continuous development of the manufacturing industry, the fixtures will be constantly updated and improved.
