Processing Machinery
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PA66 tool housings
Problem Phenomenon
Electric hammer handle housing cracks on drop
Cause Analysis
Power tools have large drop impact and are eroded by oil and sweat, and ordinary grades have insufficient notched impact; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
Solution
Select toughened oil-resistant grades; handle structure with anti-slip ribs also serving as reinforcement; verify by 1.5-meter drop on multiple faces; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
Key Takeaway
Tool housings require toughened grades plus drop verification; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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