spring assembly fixture 3d model
Design a spring assembly fixture with non-return safety mechanism for assembling a 3-part component (bottom cover, spring, and top cover). Requirements: Fixture Base: Workholding nest that securely holds the bottom cover in place Alignment pins to locate bottom cover precisely Clear access for placing the spring Spring Compression Mechanism: Vertical guide rails or posts Movable pressure plate that contacts the top cover Compression handle (lever or screw-type) to push top cover down CRITICAL - Non-Return Safety System: Ratcheting mechanism that locks the pressure plate at any position Prevents spring from accidentally expanding during assembly Requires deliberate action (trigger/release button) to disengage Visual indicator showing when mechanism is locked Safety Features: Two-handed operation requirement (both hands occupied during compression) Protective shield around spring area Cannot release unless top cover is fully seated Ergonomics: Comfortable hand position
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