Jig design - weebly

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Drill jigs should be - Of light construction Jig design guidelines - Consistent with rigidity to facilitate handling - Rigidity to be maintained especially when jigs have to be turned over so that holes can be drilled from more than one side All unnecessary metal should be cored out of the jig body A jig which is not bolted to the machine table should be provided with feet, preferably four, opposite all surfaces containing guide bushings, so that it will ‘rock’ if not standing square on the table and so warn the operator
Jig design guidelines (contd.) Clearance holes or burr slots should be provided in the jig to allow for the burr formed when the drill breaks through the component and for swarf clearance, particularly from locating surfaces Make all component clamping devices as quick acting as possible Design the jig fool-proof by using foul pins and similar devices arranged in such a way that the component, tools or bushes can’t be inserted except in the correct way
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ITCD - 301-001
Page 4 and 5:
Typical jig used for boring operati
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Simple leaf jig
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Advantages Minimize tool breakage
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Jig Bushes To position and guide t
Page 12 and 13:
Clearance between bush and part
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Burr Clearance
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Slip renewable bush Used for multip
Page 18 and 19:
Slip bush arrangement
Page 20 and 21:
Shaped drill bush
Page 22 and 23: Drilling irregular work surfaces
Page 24 and 25: Modifications Modification of stand
Page 26 and 27: Locators Clamps Jig plate with bu
Page 28 and 29: Template Jigs No clamping arrangem
Page 30 and 31: Template Jig
Page 32 and 33: Plate jigs A template jig with work
Page 34 and 35: Drill jig - plate type
Page 36 and 37: Plate jig with quick-acting cam
Page 38 and 39: Plate jig
Page 40 and 41: Angle plate Jigs
Page 42 and 43: Pump jig for drilling a hole at 60
Page 44 and 45: Universal Jigs Also called as pump
Page 46 and 47: Drill jig with swinging camp plate
Page 48 and 49: Leaf Jigs (contd.) Leaf jig utilizi
Page 50 and 51: Double leaf jig
Page 52 and 53: Box type tumble jig
Page 54 and 55: Drilling jig The example above show
Page 56 and 57: Indexing Jigs To drill holes in a
Page 58 and 59: Indexing Jig of welded construction
Page 60 and 61: Jig for drilling a channel
Page 62 and 63: Drill jig with RH component
Page 64 and 65: Drill jig with RH component unassem
Page 66 and 67: Post Jig
Page 68 and 69: Pot drill jig (contd.)
Page 70 and 71: Solid Jig
Page 74 and 75: Jig design guidelines (contd.) Mak
Page 76 and 77: Jig design guidelines (contd.) Mak
Page 78 and 79: Jig design guidelines (contd.) Gen
Page 80 and 81: Power requirement for drilling
Page 82 and 83: References Fundamentals of tool de
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