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iRubric: Toggle Clamp Grading Rubric

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Toggle Clamp Grading Rubric C-Clamp Grading Rubric grading rubric for toggle clamp Rubric Code: WXB99BC By jwjgward Ready to use Public Rubric Subject: Vocational Type: Project Grade Levels: 9-12

Final Project Lathe Ops
	Excellent 10 pts	Good 8 pts	Fair 6 pts	Poor 4 pts	Unacceptable 2 pts
Job Completion	Excellent The job was 100% complete and worked according to the task description.	Good The job was complete and worked, but needed minor modifications.	Fair The job was complete but did not work; needed several minor modifications.	Poor The job was complete but did not work; needed several major modiications.	Unacceptable The job was incomplete and did not work.
Toggle clamp opening	Excellent The part clamp easily opens more than 2 inches to clamp across a two inch part	Good The part clamp opens more than 2 inches to clamp across a two inch part but the thread functions poorly in one or more places	Fair The part clamp easily opens less than 2 inches and cannot clamp across a two inch part	Poor The part clamp opens less than 2 inches and cannot clamp across a two inch part but the thread functions poorly in one or more places	Unacceptable The job was incomplete and did not work.
Toggle clamp Jaws	Excellent The jaws swivel freely and align properly when closed in all positions	Good The jaws swivel freely and align properly when closed in most positions	Fair The jaws swivel freely and align properly when closed in some positions	Poor The jaws do not align properly or swivel freely	Unacceptable The jaws are incomplete or missing from the final assembly
Thread Fit	Excellent	Good	Fair	Poor	Unacceptable
Engraving	Excellent	Good	Fair	Poor	Unacceptable
Assembly	Excellent All joints are properly peened providing a tight fit where needed and a running fit where required	Good Most joints are properly peened providing a tight fit where needed and a running fit where required	Fair Some joints are properly peened providing a tight fit where needed and a running fit where required	Poor Many joints are not properly peened providing a tight fit where needed and a running fit where required	Unacceptable Assembly is incomplete or missing parts
Finish	Excellent Part is all well deburred and has no minor flaws scratches or marrings	Good Part is well deburred and has one or two minor flaws, scratches or marrings.	Fair Part is deburred and has three or four flaws, scratches or marrings.	Poor Part is not well deburred and has five or six flaws, scratches or marrings.	Unacceptable Finish not attractive at all, several flaws, lines, grooves, etc. and deburring is incomplete or overlooked