Specs
Reflow Oven specs
Setup notes and briefing numbers for Reflow Oven.
Thermal profile points to check
The Reflow Oven specs page lists the line details worth checking before profile changes are signed off. It helps electronics teams compare zone behaviour, board load and solder results using the realities of the oven on site.
Check the oven against the board stack-up, solder paste type, and the heaviest component mass before changing any recipe. Zone setpoints, conveyor speed, and measured time above liquidus need to be read together, especially where mixed technology boards or large ground planes pull heat unevenly. On Highveld sites the dry air can change how paste behaves at print and reflow, while coastal humidity around Durban and Cape Town makes storage discipline more important before profiling starts.
Record the actual oven condition before the first profile run, not only the target settings on screen. A photo of the loaded width, rail position, and flux residue around the entrance helps when a later fault has to be traced back to setup rather than component quality. That small record is useful after a stoppage or power interruption when the line is restarted.
Readings worth signing off
The useful outcome is a clear set of temperatures, belt speed, and pass criteria tied to that board, not a generic recipe copied from another product. Include peak component temperature, soak behaviour, and visible solder results such as wetting, beading, void concern, or dull joints where applicable. A profile only matters if operators and process staff can match it to what the oven is doing on the line.
Link the board record and the last process note before changing more than one variable at a time. Send the oven model, zone count and current recipe name through the contact form if an on-site reading does not match expected solder results. Include whether the issue appears at preheat, soak, peak, or cooling so the fault is framed properly.
- Zone setpoints matched to board mass
- Belt speed checked against time above liquidus
- Recipe name logged with test board
Site conditions that affect reflow
Power quality, ambient temperature, and maintenance history all influence how trustworthy an oven profile will be on the day. Many South African electronics sites are not working with identical utilities or new plant conditions, so fan performance, heater recovery, and conveyor stability should be checked on the actual machine in use. Where production moves around dispatch cut-offs or export packing windows, profile verification still needs its own time slot.
At coastal plants, salt in the air can shorten cleaning intervals on exposed metalwork and sensors around the line. Inland dust can build up around fans, filters, and cooling sections, which affects repeatability if left too long between services. After load-shedding or generator changeover, confirm that the oven has fully stabilised before trusting any temperature trace.
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Information needed before changes
Provide the board size, thickness, copper loading, component height limits, and the solder paste data before asking for a new profile check. Add any defect pattern seen after reflow, such as tombstoning, insufficient wetting, disturbed joints, or overheating on sensitive parts.
Keep the profile file, test results, and board reference under the same job record for traceability. When purchasing or quality staff need supporting paperwork, the useful evidence is the measured oven data together with photos of the finished joints and the recipe used.
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