iRubric: Lathe Project #_1____ rubric

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Lathe Project #_1____ Lathe Project #_____ Between centers lathe project turn first outside diameter, face both ends and center drill Rubric Code: VXW3334 By fknorr Ready to use Private Rubric Subject: Vocational Type: Project Grade Levels: 9-12

Lathe Project #_1___
	Advanced 10 pts	Proficient 7 pts	Basic 5 pts	Below Basic (N/A)
Correct material and diameter chose	Advanced 1 1/4" diameter cold rolled steel	Proficient 1 1/8 diameter cold rolled	Basic	Below Basic wrong material and diameter
Saw cut to proper length	Advanced 8 1/8 in long	Proficient	Basic	Below Basic no material for facing to length
Part is deburred of sharp edges.	Advanced Deburred 5 points.	Proficient	Basic	Below Basic Did not deburr 0 points allowed
Set-up of lathe is done correctly.	Advanced 20 points for setting up entirely alone.	Proficient 10 points possible for having teacher visit the station 2 times or less	Basic 5 points total for having teacher help 3 times or more set-up	Below Basic 0 Points if teacher help through whole process
Facing of both ends	Advanced 10 Points for smooth facing cuts on both sides.	Proficient 7 Points for both sides being faced but having a rough surface.	Basic 5 points for only one side being faced.	Below Basic 0 points for ends not faced
Both ends are center drilled	Advanced 5 points for proper center drilled holes	Proficient 3 points center drill holes not deep enough	Basic	Below Basic 0 points for center drilled holes to deep
Machining body and maintaining +/-	Advanced 40 points for correct diameter 1.125 +/-.005	Proficient 30 Points for diameter +/-.010	Basic 20 points for diameter +/- .015	Below Basic 10 Points for diameter .020 or smaller