Used ICT testing equipment
Classification:
Keyword: Used ICT testing equipment
- Product description
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- Commodity name: Used ICT testing equipment
The ICT tester consists of the following components: Controller – The controller is a computer used to drive the system and run the required software. Switches – These route the system to specific areas or nodes on the circuit board being tested. Interface – This allows various circuit-board fixtures to be mounted onto the tester. Such fixtures include electrical connections; if the circuit board requires power, they may also include a power supply. If the circuit board needs to be clamped onto a “pin bed,” they may also include an air supply or vacuum system.
The ICT tester consists of the following components:
Controller – A controller is a computer used to drive the system and run the necessary software.
Switch – Routes the system to a specific area or node on the circuit board being tested.
Interface – Allows various circuit board fixtures to be mounted onto the tester. This includes electrical connections; if the circuit board requires power, it may also include a power supply. If the circuit board needs to be clamped onto a “nail bed,” it may also include an air supply or vacuum system.
Fixing device – “nail bed” or spring-loaded test pins make physical contact with the unit under test.
Drive-sensor:
An active circuit used for performing measurements. Drivers and sensors come in pairs. The driver provides a voltage or current that enables the nodes in the circuit to be driven into a specific state. These drivers possess high capability, allowing them to drive nodes into the desired state regardless of the conditions of the surrounding circuitry. Typically, they may need to force the output of a digital IC into a given state, irrespective of the device’s natural output state. To achieve this, the driver’s output impedance must be extremely low.
The sensors perform actual measurements. They need to have high impedance so as not to interfere with the circuit being measured.
Protection:
When a component is not part of a circuit, it’s easy to measure its value. However, when a component is already present in the circuit, its presence may alter the value of the quantity being measured. To address this issue and improve measurement accuracy, a protection circuit is used to connect other components to ground, thereby eliminating leakage paths and enabling more precise measurements.
Multiplexing:
For complex or larger printed circuit board assemblies, the total number of nodes may exceed the capacity of the test system. Assigning a dedicated pin to each node can be extremely costly, as each node would also require a sensor. Multiplexing can be employed, allowing specific nodes to be addressed via a switch matrix that connects multiple nodes. However, only one multiplexed node can be accessed at a time, which imposes limitations on both programming and fixture design.
Test Head Engineering provides a full range of custom test fixtures
Throughout the custom fixture development, our Designers work directly with Test Engineers and Test Engineering Managers. During the entire specify/design/build process, they keep in close contact - ensuring that your custom test fixture meets your specific needs and requirements.
Customized products can provide repair services
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We provide free technical support for PCB design, production, and more
The main products include: precision testing rack production, including mobile phone testing rack, aging life testing rack, DVD testing rack, BGA testing rack, attendance machine testing rack, and machine board testing rack, ， IC testing rack, module testing rack, digital camera testing rack, pulse hot press machine, can be customized according to customer requirements for various non-standard products Welcome to call for customization.
1. BGA test stand:
Made with imported precision test pins and anti-static materials, it has reliable contact, precise positioning, long service life, and small size.
2. PCB testing rack:
The fixture has a small volume Not taking up space, the needle board can be designed as a loose leaf for easy maintenance and wiring. It can also be customized according to customer requirements to achieve convenient operation.
3. Tin furnace fixture:
Materials include aluminum alloy, synthetic stone, and corrugated fiber board, which can save post welding time, improve production efficiency, and reduce substrate deformation during furnace passing.
4. Pneumatic hot pressing equipment:
The body is made of high-quality castings with high strength and hardness, and has undergone sufficient aging treatment to ensure that the host maintains accuracy for a long time. Pulse heating, segmented temperature rise setting, precise temperature sensing control function to ensure crimping quality, rotary feeding platform, dual button start switch, emergency stop protection device, which not only improves production efficiency but also ensures production safety. 5.7-inch intelligent human-machine interface, programmable logic controller (PLC) control system, ensures stable and reliable operation of the equipment. Two sets of high-definition camera alignment systems ensure production quality. The appearance of the equipment is designed with tray humanization, making production more convenient and saving costs and space. Suitable for various LCD, zebra paper, PCB combination crimping; TAB, TCP crimping, FPC, FFC and PCB soldering crimping.
5. LED screen test stand:
precise alignment, additional programming, convenient operation, exquisite and durable.
6. Pneumatic testing fixture:
high variability, user-friendly operation, convenient placement on the production line, precise and stable contact, easy maintenance.
7. Mobile phone testing stand:
mobile phone calibration fixture, testing mobile phone screen fixture. Mobile phone function testing fixture; Mobile RF high-frequency testing fixture; Download fixtures on mobile phones; Mobile LCD screen testing fixture; Mobile keyboard adhesive film testing fixture; Mobile LCD screen welding fixture; Mobile LCD screen pulse hot press machine.
8. ICT testing rack:
ICT online tester, ICT testing fixture, ICT fixture suitable for commonly used ICT equipment, using high-precision CNC machine for professional drilling and professional personnel for computer analysis software design. Used for OEM, SMT component PCB, double-sided fixture with bearing positioning, good positioning, small error, stable and accurate testing, and low misjudgment. Suitable for use with various domestic and foreign brand models.
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