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iRubric: CNC Milling Project rubric

iRubric: CNC Milling Project rubric

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CNC Milling Project

  Derived from rubric: CNC Milling Project
built by ryanp411

Rubric Code: AX7B332
Used to grade Machining Projects in a Machine Tool Technology Course...
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Keywords: Machine shop, Machining, Projects
Categories: Subjects: Vocational  
Types: Project  
Grade Levels: Undergraduate

Powered by iRubric CNC Milling Project
  Excellent
10 pts
Good
8 pts
Fair
6 pts
Poor
4 pts
Unacceptable
2 pts
Grade
(N/A)
Level of Assistance Needed
20 %
Excellent

Student was able to complete the task without assistance.
Good

Student was able to complete the task with little assistance.
Fair

Student was able to complete the task with moderate assistance.
Poor

Student was unable to complete task without major assistance.
Unacceptable

Student was unable to complete task with assistance.
Grade


Safety Practices
20 %
Excellent

Student followed all safety rules.
Good

Student followed most safety rules, may have forgotten one.
Fair

Student attempted to follow safety rules but failed to meet several.
Poor

Student failed to follow a significant number of safety rules.
Unacceptable

Student made no effort to follow safety rules.
Grade


Tolerances
40 %
Student machined part within given tolerances...
Excellent

Dimensions:.001-.003

Angles:0-1 degrees
Good

Dimensions:.004-.006

Angles:1-2 degrees
Fair

Dimensions:.007-.010

Angles:2-3 degrees
Poor

Dimensions:.011-.020

Angles:3-4 degrees
Unacceptable

Dimensions:.021-below...
Angles:4-5 degrees
Grade


Appearance
20 %
All parts produced are to have a neat overall appearance, meet all Blueprint specifications, and all sharp edges broken.
Excellent

Part follows all blueprint specifications. Has a neat overall appearance. All sharp edges were removed.
Good

Neat overall appearance. Most blueprint specs were met. Some sharp edges.
Fair

Appearance needs some attention. Most blueprint specs were met. Some sharp edges.
Poor

Appearance needs attention. Blueprint specs were not met. Some sharp edges.
Unacceptable

Appearance is not exceptable. Blueprint specs were not met. To many sharp edges.
Grade





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