Summary
The parts you uploaded have been flagged for excessive scratching and scuff marks, which can be avoided during manufacturing. These defects are particularly unacceptable for parts with a secondary finish.
Root Causes
As Machined Components (Raw Material) with No Finish:
Excessive clamping force or inappropriate clamping methods
Insufficient handling during manufacturing
Inadequate packaging procedures
Swarf left in holes
Note: For parts with a surface roughness of 1.6Ra or lower, no scratches or scuff marks are permitted.
Parts with Secondary Finish:
Higher level of inspection required
No defects, scratches, or scuff marks are permitted as these are considered aesthetic components
Ensure all aesthetic requirements from the engineering drawing are followed. Contact the Geomiq Production team if in doubt.
Solutions
Handle machine parts with care and use a soft surface for placement
Wear gloves at all times when handling components
Use primary tissue paper protection during packaging to prevent scratches
Good Example - (Aluminium, As machined)
Description: As machined component with acceptable machining marks on the surface finish
Minimal surface markings
Sharp corners/chamfers
Machining lines visible
Bad Example (Aluminium, As machined)
Description: Part with excessive scuff marks, Scotch pad used to remove machining lines
Rounded edges
Uneven surface finish
Photo:
Next Steps
Please follow the provided instructions via the platform. If the scratches and scuff marks are excessive and cannot be fixed, you will need to re-manufacture the component to meet the required surface finish requirements.