MICROHUB is one stop solution for all test automation, We have in house Electronics , Mechanical , Electrical, Mechatronics and Software development team who seats on single table and design customize PCBA and other Test Automation as per your requirements. We are focused in Test automation services.
We are providing test fixtures with customized solution with VMC , CNC , DRO milling , and other mechanical tooling.
Also we are providing fixture solutions with Embedded integration ,PLC ,HMI and other sensor integration.
We are also integration Image Proceeding integration and all other customized solution for product FCT system.
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A PCB test fixture, also known as a test jig or test rack, is a tool used in the electronics manufacturing industry to test PCBs or assembled products. It contains a bed of nails and a fixed plate with an array of test probes. The probes electrically interconnect the test systems to the PCB assembly.
PCB test fixtures are used to:
Ensure the product is built to specification
Identify design flaws early on
Test edge connector functionality
PCB test fixtures can be mechanically or pneumatically operated.
When choosing a PCB test fixture, you can consider things like:
Testing against a good board or circuit Netlist
Creating test points and mounting pins to examine
Expertise, capabilities, facilities, equipment, human resources, standards/certification, location, testing, and special processing
Having multiple tips for applying heat in tight spaces and to very small pads
What is an FCT Test Fixture and How Does it Work?
An FCT (Functional Circuit Test) fixture is a crucial tool in electronics manufacturing, used to verify the functionality of electronic circuits or printed circuit boards (PCBs). Ensuring that these circuits operate as intended before integration into final products, FCT test fixtures are indispensable for quality control. Here’s an in-depth look at what an FCT test fixture is and how it works.
Understanding FCT Test Fixtures
An FCT test fixture is a custom-built platform designed to interface seamlessly with a specific PCB or electronic assembly. It typically includes:
Mechanical Fixture: Secures the PCB in place during testing.
Test Probes or Pins: Contacts specific points on the PCB to measure electrical parameters.
Connectors and Cables: Link the fixture to test equipment and power sources.
Sensors and Actuators: Simulate the real-world inputs and outputs the PCB will encounter.
How Does an FCT Test Fixture Work?
Loading the PCB: The PCB to be tested is placed into the fixture, which securely holds it in position. This ensures consistent and accurate alignment with the test probes.
Making Electrical Contacts: Test probes or pins contact designated test points on the PCB, such as test pads, connectors, or component leads.
Applying Power and Signals: The fixture connects the PCB to power supplies, signal generators, and other necessary equipment to simulate operating conditions.
Executing Test Sequences: The FCT system runs a series of predefined test sequences, including:
Power-on tests to check voltage levels and currents.
Functional tests to verify the operation of components like microcontrollers, sensors, and communication interfaces.
Signal integrity tests to ensure proper communication between components.
Boundary scan tests to check connections between integrated circuits.
Collecting Data: Test results are collected in real-time and often displayed on a computer interface, recording data such as voltage levels, signal waveforms, and response times.
Benefits of FCT Test Fixtures
Efficiency: Enables rapid and automated testing, reducing manual inspection time.
Accuracy: Provides precise and repeatable testing conditions.
Comprehensive: Capable of performing a wide range of tests, ensuring thorough validation of PCB functionality.
Customizable: Tailored to specific PCBs and testing requirements.
Applications of FCT Test Fixtures
FCT test fixtures are essential in various industries, including consumer electronics, automotive, telecommunications, and medical devices. They play a crucial role in quality control, ensuring electronic products function correctly before reaching the market. By identifying and addressing issues early in the production process, manufacturers can improve product reliability and reduce the risk of defects in the final product.
By incorporating FCT test fixtures into your production process, you can enhance efficiency, accuracy, and reliability, ensuring your products meet the highest standards of quality.
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