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Tag: Amironic

Home Posts Tagged "Amironic"

How to Select Microelectronics Packaging for Harsh Environments

Microelectronics packaging is not just about enclosing a component – it is about ensuring long-term system reliability under real-world conditions.
This engineering guide explores how to select the right packaging solution based on environmental threats, material behavior, hermetic sealing requirements, and system-level constraints. From Kovar and ceramic packages to hermetic feedthrough integration, this article provides a structured decision-making approach for engineers working in defense, aerospace, RF, and high-reliability industrial systems.

Backlash in Gears – From Geometry to System Behavior: Understanding what really happens between gear teeth

Gear backlash is often treated as a simple clearance between teeth, but in reality it is influenced by gear geometry, module, pressure angle, and manufacturing quality. Under load, its behavior becomes dynamic and directly affects accuracy, vibration, and system stability. Understanding backlash at the gear level is essential for designing reliable and precise motion systems.

Designing Power Architectures for MIL-STD-1275E/F Military Vehicle Systems

Designing power systems for military vehicle platforms operating under MIL-STD-1275E/F is far more complex than simply selecting a DC/DC converter. Military 28V vehicle buses are exposed to severe electrical conditions including surge pulses up to 100V, voltage collapse during engine cranking, ground shifts, and electromagnetic interference. This article examines how engineers design robust power architectures for such environments, why multiple rugged DC/DC modules are often required, and how proper system architecture can ensure reliable operation in harsh military platforms.

Spur, Helical and Worm Gears – Engineering Differences and How to Choose the Right One

Gears are fundamental components in motion transfer systems. Choosing between Spur, Helical, and Worm gears affects efficiency, noise, load capacity, and system life. In addition, geometric parameters such as module and pressure angle determine tooth strength and how forces are transmitted between gears. Understanding these concepts helps engineers select the right gear type for each application.

EMI in UAV Power Systems: When Electrical Noise Looks Like a Software Failure

Electromagnetic interference (EMI) generated by propulsion systems, ESC switching, and high dynamic loads is a common but often overlooked source of instability in UAV platforms. In many cases, avionics resets, telemetry loss, or sensor glitches are mistakenly attributed to software faults, while the true root cause lies in power bus noise and insufficient power architecture isolation.

This article examines how EMI propagates through UAV power systems and presents a practical Power Integrity approach – combining input power protection, isolated DC-DC conversion, and proper rail segmentation – to ensure stable avionics operation even under aggressive motor loads.

Ground Shifts in Military Vehicles: The Silent Cause of System Instability Under MIL-STD-1275E/F Conditions

Even in platforms fully compliant with MIL-STD-1275E/F, systems may reset during engine cranking – not because voltage exceeds limits, but because ground reference shifts under high starter current. In military vehicles, chassis return paths carry hundreds of amps, creating differential ground movement that destabilizes sensitive electronics.

This article explains how ground shifts and short-duration voltage collapse combine to cause system instability, and outlines a layered power integrity approach – including input protection, isolated DC-DC conversion, and ride-through buffering – to ensure true mission-level survivability.

How to Choose the Right Coupling Without Guessing

Couplings are often treated as simple shaft connectors, yet their torsional stiffness, misalignment capability, and damping characteristics directly influence accuracy, vibration, and system life. Understanding how to select the right coupling is essential for reliable motion performance.

Why Systems Reset Even When Voltage Stays “Within Range”

Military vehicle systems may reset or lose stability even when input voltage remains within the specified operating range. Short-duration voltage collapses, hold-up gaps, and slow dynamic response create ride-through failures that often go undetected during laboratory testing.

This article explains the hidden failure mechanism, highlights real-world symptoms, and outlines power architecture strategies that ensure continuous operation and system survivability in harsh operational environments.

Gear Material Selection Guide: Strength, Wear, Corrosion & Environment – How to Choose Correctly

Selecting the right gear material is critical to system reliability, efficiency, and service life. High-load applications often require hardened alloy steels such as EN24 or EN36, while wet or marine environments demand corrosion-resistant materials like stainless steel 316 or phosphor bronze PB2. In many cases, combining materials – such as a hardened steel worm with a PB2 bronze wheel – provides the optimal balance between wear resistance, friction performance, and environmental durability.