Circuit Board Rework Repair Machine

                                                            Split vision Circuit Board Rework Repair Machine 

 

Circuit board repair machines are specialized devices used to rework and repair damaged or faulty printed circuit boards (PCBs). 

These machines use various techniques to remove and replace faulty components, such as soldering, desoldering, and component 

placement.

1. High-precision placement systems to ensure accurate component placement.

2. Advanced heating and cooling systems to manage the temperature during the soldering and desoldering processes.

3. Vacuum-based desoldering tools to remove components without damaging the PCB.

4. Automated component recognition systems to identify and place components.

5. User-friendly interfaces that allow operators to control and monitor the repair process.

 

1.Application Of Split vision

Remove, repair, replace Solder, reball, desoldering different kind of chips: for example: BGA,PGA,POP,BQFP,QFN,

SOT223,PLCC,TQFP,TDFN,TSOP, PBGA,CPGA,LED chip.

 

2.Advantages of laser position Circuit Board Rework Repair Machine

1. Embedded industrial computer, high-definition touch screen man-machine interface, PLC control, an instantaneous curve analysis function. Real-time display setting and measured temperature curve, and analysis and correction of the curve.

 

2. High-precision K-type thermocouple closed-loop control and temperature automatic compensation system,  combined with PLC and temperature module to achieve precise temperature control, keeping the temperature deviation at ±2 degrees. At the same time, the external temperature measurement interface realizes the precise  detection of temperature. And achieve accurate analysis and proofreading of the measured temperature curve.

 

3. Specification of laser positioning 

 

power	5300W
Top heater	Hot air 1200W
Bottom heater	Hot air 1200W.Infrared 2700W
Power supply	AC220V±10% 50/60Hz
Dimension	L530*W670*H790 mm
Positioning	V-groove PCB support, and with external universal fixture
Temperature control	K type thermocouple, closed loop control, independent heating
Temperature accuracy	±2℃
PCB size	Max 450*490 mm,Min 22*22 mm
Workbench fine-tuning	±15mm forward/backward,±15mm right/left
BGAchip	80*80-1*1mm
Minimum chip spacing	0.15mm
Temp Sensor	1(optional)
Net weight	70kg

 

4.Details of Automatic Hot Air 

 

 

 

5.Why Choose Our Infrared Circuit Board Rework Repair Machine? 

 

6. Certificate of Optical Alignment 

UL, E-MARK, CCC, FCC, CE ROHS certificates. Meanwhile, to improve and perfect the quality system, Dinghua 

has passed ISO, GMP, FCCA, and C-TPAT on-site audit certification.

 

7.Packing & Shipment of CCD Camera

8. Related knowledge of Circuit Board Rework Repair Machine

ESD Protection for Circuit Board Rework Repair Machine

Electrostatic discharge (ESD) protection is essential for engineers engaged in hardware design and production. Many developers often encounter situations in which the products developed in the lab pass all tests completely, but after the customer has used them for a period of time, abnormal phenomena occur, and the failure rate may not be very high. In general, most of these problems are caused by surges, ESD strikes, and similar issues. In the assembly and manufacturing process of electronic products, more than 25% of the damage to semiconductor chips is attributed to ESD. With the widespread use of microelectronics technology and the increasing complexity of the electromagnetic environment, there is growing attention to the electromagnetic field effects of electrostatic discharge, including electromagnetic interference (EMI) and electromagnetic compatibility (EMC) for Circuit Board Rework Repair Machines.

Circuit design engineers typically add protection using a variety of transient voltage suppressor (TVS) devices, such as solid devices (diodes), metal oxide varistors (MOVs), thyristors, new polymer devices, gas tubes, and simple spark gaps. With the advent of a new generation of high-speed circuits, the operating frequency of devices has risen from a few kHz to GHz, increasing the demand for high-capacity passive devices for ESD protection. For example, TVS devices must respond quickly to incoming surge voltages. When the surge voltage reaches 8 kV (or higher) at a peak of 0.7 ns, the trigger or regulation voltage of the TVS device (parallel to the input line) must be low enough to be effective.

ON Semiconductor's NUC2401 is a common-mode filter with integrated low-capacitance ESD protection that provides the necessary bandwidth for high-speed USB 2.0 signals, proper common-mode attenuation, and sensitive internal circuit ESD protection to maintain signal integrity. Vishay's VBUS054B-HS3 is a single-chip ESD solution with minimal differences between line capacitances, designed to protect dual high-speed USB ports from transient voltage signals. It can also clamp a negative transient that is slightly below ground level while clamping the positive transient within a voltage range slightly above 5 V for Circuit Board Rework Repair Machines.

Today, circuit design engineers are increasingly adopting ESD suppression schemes in high-frequency circuit design. Although low-cost silicon diodes (or varistors) have very low trigger/clamp voltages, their high-frequency capacity and leakage current cannot meet the growing demands of applications. The polymer ESD suppressor has an attenuation of less than 0.2 dB at frequencies up to 6 GHz, and its impact on the circuit is almost negligible for Circuit Board Rework Repair Machines.

Electromagnetic compatibility and circuit protection are unavoidable issues in the design of all electronic products. In addition to familiarity with EMC standards, circuit design engineers must also consider the performance of the device itself, parasitic parameters, product performance, cost, and each functional module in the system design. Through layout and routing optimization, engineers can add decoupling capacitors, magnetic beads, magnetic rings, shielding, PCB resonance suppression, and other measures to ensure that EMI is within acceptable limits. When developing a circuit protection design, the most important step is to first understand the technical solutions and design methods, and then select the appropriate ESD protection device accordingly.