SM-X3000A X-Ray Inspection Machine for BGA by Southern Machinery

What is the SM-X3000A used for? The SM-X3000A is a microfocus X-ray inspection system for PCBA. According to the source brochure, it is mainly used to inspect components such as BGA and other SMT parts, using a closed X-ray tube (80~100 kV) and an image intensifier to show solder joints that cannot be seen from the outside. Its brochure lists a micro-spot down to 5 um.

Your AOI Says "Pass." So Why Does the Field Return Come Back?

A BGA joint hides under the package. Cameras, however good, see the outside. A cold joint, a short or a false weld can sit underneath and pass every visual check, then show up later as a field failure. That is the uncomfortable truth of ball-grid-array assembly.

Why Do Quality Teams Still Debate Whether They Need X-Ray?

Most EMS and ODM teams do not argue about whether hidden joints matter. They argue about cost, operator skill and safety. Who will run the machine? Will a new operator need weeks of training? Will the radiation setup create compliance worries? Those three doubts delay the purchase, while the defects keep shipping.

What Is a Simple Way to Decide on X-Ray Inspection?

Use a four-question framework:

1. What hides? List the packages with hidden joints (BGA, and per the brochure other SMT components, PCB through-hole and LED beads in its imaging examples).
2. What size? Compare your largest board and sample weight with the machine's image area and load limit.
3. Who operates? Check whether the software lets a new operator work from presets.
4. How safe? Ask for the radiation-leakage data and the safety interlocks.

How Does the SM-X3000A Answer Each Question?

Hidden defects

The brochure describes a 80~100 kV closed microfocus tube with a micro-spot down to 5 um and a Japanese image intensifier quoted at 77 / 110 Lp/cm. The software can preset NG-image parameters for BGA cold soldering, short circuit and false welding, and compare them automatically. Dimension measuring (distance, radian, slope, angle), bubble measuring and a 3D simulation view are also listed.

Board size and motion

The stage is listed up to 900 mm x 800 mm, with a detectable area up to 460 mm x 360 mm and a 5-axis motor with fast navigation. Testable weight is listed as 10 kg in the stage description and as under 5 kg in the specification table, so confirm the load limit for your sample with Southern Machinery.

Ease of operation

The brochure promises keyboard-and-mouse, one-click operation, CNC auto-control mode, and test scripts that can be saved and reloaded to inspect batches of the same product. A 24-inch digital display is listed.

Radiation safety

The brochure states radiation leakage below 1 uSv/h in its safety section, around 0.1 uSv/h when the machine reaches high voltage, and below 0.5 uSv/h in the specification table. Factory test readings shown are 0.10 to 0.12 uSv/h per face, which the brochure marks as reference data only. Safety features include a safety lock, auto protection, tube auto protection and solenoid switch protection. The brochure also lists CE, FDA and ISO certificates; request copies and confirm scope before you rely on them.

What Are the Key Selection Specs?

| Item | Source value |

|---|---|

| X-ray tube | Closed microfocus, 80~100 kV |

| Micro-spot | Down to 5 um |

| Image intensifier | 4 inch, 77 / 110 Lp/cm, about 8 kg |

| Image area | 460 x 360 mm |

| Stage size | Up to 900 x 800 mm |

| Magnification | 120 (geometric) / 1000 (system) |

| Dimensions | 1220 x 1030 x 1700 mm |

| Weight | 850 kg |

| Power | Single phase AC 110~220 V, 50~60 Hz |

| Leakage | < 0.5 uSv/h (spec table) |

| Price, lead time | not specified in source — contact Southern Machinery to confirm |

Where Does X-Ray Sit in a Full PCB Assembly Line?

X-ray normally works as an offline or sampling station after reflow, next to your other checks. Southern Machinery supplies SMT, THT, wave soldering, board handling and inspection equipment, so you can plan it with the rest of the line. See the 3D SPI and AOI inspection range, board handling systems and wave soldering machines.

What Might the Return Look Like?

Formula: Annual saving = (defects caught before shipment x cost per escape) − annual X-ray operating cost.

Example only, depending on configuration and subject to final technical confirmation: if 20 hidden BGA defects a year are caught and each escape costs 500 in rework, returns and handling, the avoided cost is 10,000 before operating cost. These numbers are illustrative, not a guarantee.

What Support Comes With It?

The source describes a documents package for new operators: tutorial videos, operation manual, maintenance handbook and security manual, so a new user can start without face-to-face training. Southern Machinery, founded in 2011 in Shenzhen and serving 237+ global customers, adds global service, spare parts support and professional training.

FAQ

What does the SM-X3000A inspect? Per the brochure, BGA and other SMT components, plus PCB through-hole and LED bead imaging examples.

What is the smallest focal spot? The brochure lists a micro-spot down to 5 um.

How big a board fits? Detectable area up to 460 x 360 mm; confirm sample weight limits (10 kg vs under 5 kg in the source).

Is it safe for operators? The brochure lists leakage below 0.5 uSv/h in the spec table and several protection features; ask for the test report.

Do new operators need on-site training? The source says the documentation package lets new users start without face-to-face training.

Price and delivery time? not specified in source — contact Southern Machinery to confirm.

What Should You Read Next?

This is part of our inspection series. Next: how to match X-ray, AOI and SPI to the defects that actually escape your line. Bookmark this page and check back.

Ready to Check Your Board Against the Specs?

Send your board size, package types and weight to Southern Machinery through the quote page or contact us.