AEROSPACE, MILITARY & DEFENCE
levels across the length of the oven provides a clearer picture of stability, allowing leaks affect product quality.
The purpose of vacuum is to remove trapped gases during solder melting to reduce voiding. However, the timing and rate of vacuum pull-down, hold and release must be carefully controlled. Incorrect settings can limit void reduction or cause component movement. Measuring the vacuum cycle under actual production conditions allows these parameters to be optimised while maintaining throughput.
Mechanical stability is equally important. Vibration introduced by conveyors or vacuum mechanisms can cause subtle particularly on densely populated PCBs. Measuring vibration in three axes provides visibility of internal mechanical behaviour, enabling early detection of misalignment or wear before defects occur.
Conveyor speed is often assumed to be constant, yet small deviations can alter thermal exposure when combined with other variables. Monitoring actual conveyor performance ensures that validated
recipes are executed as intended and that deviations are detected promptly.
Predictive control
The shift from reactive correction to predictive control is particularly relevant in aerospace production. By establishing a reference condition across temperature, oxygen, vacuum and mechanical parameters, manufacturers can monitor gradual change over time. Increasing vibration may indicate developing conveyor wear, while variations in contact time can signal mechanical drift. Identifying these trends early allows maintenance to be scheduled based on equipment condition unplanned disruption.
deviations occur, access to detailed multi- parameter data enables engineers to isolate root causes more quickly and implement targeted corrective action. This reduces investigation time on high-value PCBs and limits unnecessary rework.
Environmental considerations are also becoming part of process control. Monitoring nitrogen usage and detecting leaks not only
stabilise the soldering environment but also prevent unnecessary gas consumption. Undetected losses over extended periods required to manage these variables effectively.
Sustained control
As aerospace electronics continue to increase in complexity, reliance on incorporating thermal, atmospheric and mechanical monitoring, provides a broader and more reliable understanding of process performance.
In high-reliability aerospace electronics manufacturing, maintaining control is not limited to achieving an acceptable initial approved parameters remain stable over time. A structured approach to process operations remain consistent, predictable and aligned with the demanding standards of aerospace production.
Powerful processing with STM32H750 (480 MHz, ARM Cortex-M7)
Considerable 16MB SDRam and 1 x Micro SD (max. 32G)
High resolution 1280x800 Dots (RGB) Full viewing angle
LVDS Interface (internal)
1 x USB 2.0 Device, 1 x UART, 1 x SPI 1 x I2C, 1 x CAN, 1 x Ethernet
0118 916 6928
sales@inelcohunter.co.uk www.inelcohunter.co.uk APRIL 2026 | ELECTRONICS FOR ENGINEERS 21
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50
