Cooper Tools Quackenbush 158QGDAV Operations Instructions Page 47
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47
Our peck feed drills are a unique category unto
themselves. These drills drill a short distance, then
retract from the hole to clear the chips and dissipate
heat, and then return to the hole and drill again, and
repeat this in-and-out motion until the process is
finished. This pecking motion gives the drill its name.
This is a unique advantage in the drilling of
deep close-tolerance holes, especially in stacks of
dissimilar materials.
With conventional drilling, drilling through aluminum
into materials such as titanium extracts chips of the
titanium out of the hole, which scratches the softer
aluminum and deteriorates the hole quality. But by
using the interrupted stroke of the peck drill, the
chips are smaller and are far less likely to create
problems.
This also reduces heat considerably, because the
drill is not in the hole continuously, building up heat.
Each time the drill retracts from the hole, it helps to
dissipate heat, significantly reducing distortion and
metallurgical change in the material.
Because of their heat reduction capabilities,
our peck drills have also been found to be highly
productive in manufacturing environments that do
not allow any type of lubrication or coolant.
Equal Drill Time
Our HT Series Peck Feed Drills define state of
the art in one shot, close tolerance hole drilling with
portable tools.
During each peck, the peck timer circuit on
competitive models combines the time to rapid
advance, drill and retract. As you can see in
the accompanying illustration, actual drill time
is progressively reduced as the hole depth is
Conventional Drilling
Large, stringy chips of harder second layer
“machining” soft material of first layer.
Hole is
actually
machined
larger than
the drill bit.
Aluminum
Titanium
Peck Drilling
Peck drilling produces smaller chips (swarf) which are
cleared on each peck producing a more precise hole.
Aluminum
Titanium
Introduction
Peck Feed Drills
- Aerospace Industry 1
- Advanced Drilling Equipment 2
- Table of Contents 2
- Lubrication Products 7
- Warranty 7
- Conversion Table 10
- Cut Up To 11
- 60% Off 11
- Drill Cycle 11
- New Quackenbush 12
- Adaptive Drilling System 12
- The Leader In 13
- Aerospace Drilling 13
- Specifications 14
- Positive Feed Tools 15
- ➀ connected directly 16
- B – Radius 17
- In-Line Tools 18
- Standard Tool Noses 27
- Adapter Kits 27
- Fluid Spindle Assemblies 27
- Standard Tool Nose 29
- Standard Spindles 29
- Right Angle Tools 30
- SPINDLES (Select One) 33
- STEEL TOOL NOSES (Select One) 33
- 1/2–22 L.H 33
- STANDARD SPINDLES 35
- STANDARD STEEL TOOL NOSE 37
- STANDARD TOOL NOSE 39
- STANDARD SPINDLE 39
- COUNTERSINK 41
- STYLE AR STYLE BR 41
- INTERNAL THREAD 41
- STYLE BR MODIFIED 41
- Positive Feed Accessories 44
- 45
- Peck Feed 46
- Equal Drill Time 47
- Drill Capacities 48
- Peck Drills 49
- S 50
- HT4 Peck Drill 52
- Peck Drills Accessories 53
- PL-510 DRILL POINT LUBRICATOR 55
- Signal Air 55
- Line Air 55
- Self-Colleting 56
- Introduction 57
- Jig Collet Foot Tooling 58
- Concentric Collet Tooling 58
- Self Colleting Machines 59
- Template Boss 63
- Collets and Mandrels 63
- P2 Drill Point Lubricator 63
- Vacuum Pickup Attachment 63
- 136SC Q-Matic 64
- Self-Colleting Drill Motor 64
- Small Large 66
- Manual Fill 631878 66
- Template Sink 67
- Hole Dia. Dia 67
- SELF-COLLETING DRILL: 68
- 120SC-112-TF 68
- Manual Fill 641109 641081 70
- Template Sink Boss Boss 71
- B C With .150 With .200 71
- Drill Lock Bushing Foot Model 74
- Drill Jig Collet Foot Model 74
- Standard Large 75
- Mist Lubricator Assemblies 77
- 641530 220V/AC 78
- Specialty 79
- Doler CD4 81
- Quackenbush 60 QBSF-5 81
- Back Spotfacer 81
- Specialty Tools 82
- MIN .344 - .212 83
- MAX .679 - .500 83
- MIN .312 .343 .300 83
- MAX 1.000 1.125 1.000 83
- PA & PB Angle Drills 84
- TOOL SELECTION: 85
- Taper-Lok Nosepiece 87
- SPECIFICATIONS: 89
- Depth Adjustment Area 91
- Vacuum Clamping Foot 91
- 70QVBSF-7 Back Spotfacer 93
- Specialty Tools Accessories 96
- ADVANCED DRILLING EQUIPMENT 98
- Cutter Mounting Styles 101
- Split point is standard 102
- Microstop 104
- Drill Cages 104
- Basic Drill-Cage 105
- Nylon Nose Piece 90.825.005 105
- Microstop Drill‑Cage 105
- Code REP NB 106
- Description 106
- Reference Index Quantity 106
- M6 x 1 Metric 107
- RBI 206 109
- Nylon Nose Piece 90.825.020 111
- RBI 256 113
- M8 x 1 Metric 117
- RBI 307 121
- Basic Drill-Cage + Adaptor 123
- Mounting Base 90.815.150 123
- Mounting Base 90.815.155 123
- Assembly Codification 126
- RB 356 HP 21 127
- RB 356 HP 38 127
- Adaptations 127
- Reaming + Countersinking 128
- Application 128
- Drilling + Countersinking 128
- Drilling Application 128
- 1/4” ‑ 28 Inches 129
- RB 356 HPI 21 131
- RB 356 HPI 38 131
- RB 356 HP 58 133
- RB 356 HPI 58 135
- COPYRIGHT © 137
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