DIMM Insertion Cam Profile for Controlled Socket Force Deceleration
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Solution Overview
Problem
The current manual and automated methods for installing memory modules into computing devices often result in elevated strain rates, leading to damage to the memory modules, sockets, and circuit boards due to improper force application, which can cause system failures and inefficiencies.
Innovation Solution
A device and method for inserting memory modules using insertion rods with a controlled deceleration mechanism, driven by an electronic simulated cam, to apply a gradually decreasing force, minimizing strain rates and ensuring proper seating of memory modules in memory sockets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current manual or automated installation methods are used, then installation speed is maintained, but elevated strain rates cause damage to memory modules, sockets, and circuit boards
Solution Approach 1:
The patent applies dynamics by transitioning from static or simple automated insertion to a dynamically controlled insertion process. The cam mechanism creates a time-varying force profile during insertion, where the force gradually decreases as the memory module approaches the socket, preventing strain rate damage while maintaining installation capability. This dynamic force control resolves the contradiction between reliable damage-free installation and productive installation speed.
Solution Approach 2:
The patent changes the force parameter during the insertion process using a cam mechanism. Instead of applying constant force, the system varies the insertion force as a function of insertion distance, creating a gradually decreasing force profile. This parameter change allows the system to maintain installation speed while reducing peak strain rates that cause damage, thereby resolving the reliability-productivity contradiction.
2Reliability
If controlled deceleration is applied to reduce strain rates, then damage risk is reduced, but insertion time increases
Solution Approach 1:
The cam mechanism is pre-configured with a specific profile that anticipates the need for controlled deceleration. As the insertion rod approaches the socket, the cam geometry automatically reduces the applied force in advance, preventing strain rate damage before it occurs. This preliminary action maintains module integrity without requiring excessive insertion time, as the force reduction is built into the mechanical profile rather than being a reactive measure.
3Reliability
If gradual force application is used, then strain rate damage is minimized, but force control complexity increases
Solution Approach 1:
The patent replaces complex electronic force control systems with a purely mechanical cam mechanism. The cam profile inherently provides the gradual force reduction needed to minimize strain rate damage, eliminating the need for sensors, controllers, and feedback systems. This mechanical substitution achieves socket and board safety while actually reducing overall system complexity compared to electronic control approaches.
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 1E~1H
AI summary
The technology relates to a memory insertion machine for inserting memory modules into memory sockets on a circuit board. The memory insertion machine may include one or more insertion rods moveably mounted to one or more vertical guides and an insertion controller. The insertion controller may be configured to apply an insertion force to a memory module in a memory socket by controlling the movement of the one or more insertion rods on the one or more vertical guides. The movement of the one or more insertion rods may have a gradually decreasing deceleration as the insertion rods move towards the memory socket.