Tramming a Rong-Fu Drill/Mill - Home Metal Shop Club

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Point of View• I’m a novice and, this is a voyage of discovery.• As I encountered problems, had to engage in aseries of supporting minor projects to achievethe main goal.• Presentation contains many details that I findinteresting.• Hope they interest everyone.
The Rong Fu Mill/Drill• 1.5 horsepower motor.• Multiple speeds via compound beltdrive.• Head swings side to side and movesup and down on smooth verticalcolumn.• Work table has T slots and movesforward-backward, left-right ondovetail ways.• Spindle will hold collet or drill chuck.• 0.5 inches practical limit of cuttingtools.• 0.050 inches practical limit for depthof cut.• Circular column makes head proneto twisting.
Page 1: TRAMMING A RONG FUMILL/DRILLbyNorm
Page 7 and 8: • Placing carefullyselected shims
Page 9 and 10: Tramming with a dial indicator• L
Page 11 and 12: • Made a ¾ mild steelmandrel wit
Page 13 and 14: An alternative to shimming• Cut f
Page 15 and 16: Realities of jam nuts• Preliminar
Page 17 and 18: Future Things To Try• Spindle squ
Page 19 and 20: Adjustable Parallel Drawing
Page 21 and 22: Setup with adjustable parallel• I
Page 23 and 24: Setup with adjustable parallel• I
Page 25 and 26: Why two vises?• I prefer to use a
Page 27 and 28: Making an adjustable parallel• Us
Page 29 and 30: Milling a parallel to correct heigh
Page 31 and 32: Milling a parallel to correct heigh
Page 33 and 34: • Setup workpiece.• Drill two h
Page 35 and 36: • Setup to mill notch with ¼inch
Page 37 and 38: Setup to drill set screw hole• Pu
Page 39 and 40: Making a lead dimple• Use center
Page 41 and 42: Drilling final hole before tapping
Page 43 and 44: • Attempt to tap 8-32 threadsresu
Page 45 and 46: Hard learned lessons about drilling
Page 47 and 48: • I tend to forget whichway the w
Page 49 and 50: Tapping Operations in Review
Page 51 and 52: Setup For Case Hardening• Neycraf
Page 53 and 54:
• Polishing the adjustableparalle
Page 55 and 56:
Result: A Box of Adjustable Paralle
Page 57 and 58:
Where The Tools Came FromSource•
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Tramming a Rong-Fu Drill/Mill - Home Metal Shop Club

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