Classification of fixtures:
As far as electronic light industry is concerned, jigs can be divided into three categories: process assembly jigs, engineering test jigs and circuit board test jigs. Process assembly fixture includes assembly fixture, welding fixture, disassembly fixture, dispensing fixture, irradiation fixture, adjustment fixture and shearing fixture. The project test fixture includes life test fixture, package test fixture, environmental test fixture, optical test fixture, shielding test fixture, sound insulation test fixture, etc. Circuit board test fixture mainly includes ICT test fixture, FCT function fixture, SMT furnace fixture, BGA test fixture and CCD test fixture.
Advantages and disadvantages of using fixture
The advantage of using fixture is that if it is the same product, even if workers are not very skilled, they can quickly produce a large number of good products with few defects and low variability. However, for various small production modes, the result of many fixtures will lead to the disadvantage of increasing production costs.