AerospaceIndustry - Frank Drucklufttechnik

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Introduction Peck Feed Drills 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. Aluminum Titanium Conventional Drilling Large, stringy chips of harder second layer “machining” soft material of first layer. Hole is actually machined larger than the drill bit. 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 Peck Drilling Aluminum Titanium Peck drilling produces smaller chips (swarf) which are cleared on each peck producing a more precise hole. Competitive Drill Cycles D1 D2 D3 D4 D5 D6 HT Series Drill Cycles Dx = Actual Time Cycle for Drilling D1 D2 D3 D4 Actual Material Removal or Drilling increased. With our HT Series drills, advancement and retraction times are separated from actual drill time, therefore the drill time is the same on each peck. The net result is increased performance. HT Series Peck Feed Drill Performance Features & Benefits Adjustable Set Back • Allows precise cutter point control while drilling. • Improves hole quality. • Prevents cutter breakage. • Extends cutter life. Start & Stop Buttons • Easily accessible control buttons. • Start button initiates automatic drilling cycle to preset depth-return and shut off. • Stop button aborts drilling cycle at any point and returns drill to home position. Rapid Advance/Depth Controls • Adjustable rapid advance to workpoint. • Depth control adjustable to complete tool cycle at any point Peck Control • Lower knob allows automatic peck rate to be adjusted for optimum drilling conditions. • Upper knob controls feed rate. • Peck cycle can be turned off using set screw in logic plate, and tool will function as a conventional, fully automatic Airfeedrill. • Tamper resistant, peck/dwell control cover included as standard equipment. Drill Capacities Peck drilling allows much larger diameter holes to be drilled than conventional drilling with respect to motor horsepower. Maximum diameter capacity will depend on drill chosen, material to be drilled, and cutter geometry. The adjoining chart shows capacities of our HT Series drills. Drill Capacities of the HT Series Peck Feed Drills Series HP Aluminum Titanium Steel HT3 1.1 1.3 1.0 1.0 HT4 0.7 0.5 0.4 0.4 Back Stop Adjustment • Utilize any portion of drill stroke. Interchangeable Motor Cartridges • Quickly change RPM, HP, and spindle by exchanging a one-piece motor and gear cartridge. Removable Pistol Grip Handle • Makes the HT easier to carry. • Makes relocation and lock-in fast & easy. 3-2 3-3
3-4 Peck Drills HT3 Series Capacity: Aluminum – 1.25” Titanium – 1” Steel – 1” 1.10 Horsepower Adjustable, controlled feed rate Adjustable peck rate, depth control, and rapid advance Equal Drill Time 4” Stroke One button start, fully automatic cycle Push button peck disable for non-peck advance at any time during the drilling cycle Reduces cost per hole Uses low cost cutters to produce high quality holes in dissimilar materials Eliminates most reaming operations Drills materials dry while maintaining acceptable hole quality and long cutter life. Remote start Rapid retract and re-entry minimizes cycle time Adjustable length nosepieces to fit cutter length Optional drill point lubricator to optimize hole quality Model Spindle Speed Code Function Stroke HT3 B – .5” - 20 Male Thread, Jacobs Chuck 120 – 12400 RPM E - Equal Drill Time 40 - 4” C – .375” - 24 Female Thread 030 – 3000 RPM D – .5625” - 18 Female Thread 021 – 2100 RPM E – .75” - 16 Female Thread 016 – 1600 RPM 007 – 650 RPM 005 – 475 RPM 003 – 300 RPM 002 – 150 RPM 001 – 80 RPM DRILL CAPACITIES: Peck drilling allows much larger diameter holes to be drilled than conventional drilling with respect to motor horsepower. Maximum diameter capacity will depend on drill chosen, material, and cutter geometry. SPECIFICATIONS: Recommended Air Pressure: 90 PSIG Air Inlet Size: .375” N.P.T. Thrust @ 90 PSIG 630 lbs. Weight: 18.6 lbs. (less nosepiece) STANDARD EQUIPMENT Removable dead handle Hydraulic feed control Adjustable set-back control EXTRA COST ACCESSORIES (See pages 3-8 – 3-12) Fluid inducer Nosepieces (Fixed or Adjustable) Drill Point Lubricator Morse taper adapters Dwell Kit Concentric collet attachment Family 3 Spindle B – 1/2"- 20 Male Thread, Jacobs Chuck C – 3/8"- 24 Female Thread D – 9/16"- 18 Female Thread E – 3/4"- 16 Female Thread HT 3 B 030 S E 40 Stroke 40 - 4" Function E – Equal Drill Time Speed Code 120 – 12400 RPM 030 – 3000 RPM 021 – 2100 RPM 016 – 1600 RPM 007 – 650 RPM 005 – 475 RPM 003 – 300 RPM 002 – 150 RPM 001 – 80 RPM Peck Drills HT3 Series Dimensional Data & Accessories Refer to pages 12 and 13 for Taper-Lok fixturing Refer to pages 3-8 thru 3-12 for HT3 Series accessories. (pg. 3-10) (pg. 3-10) (pg. 3-11) (pg. 3-8, 3-9) 3-5
Page 1 and 2: SP-1300-EN-0205-2.5M Q U A L I T Y
Page 3 and 4: I-1 ISO 9001 Quality System Certifi
Page 5 and 6: I-5 Cooper Power Tools Advanced Dri
Page 7 and 8: I-9 Sales & Service Centers www.coo
Page 9 and 10: I-13 Safety Recommendations - Safe
Page 11 and 12: SP-1300-1-EN-0105-.25M In-Line Posi
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Page 31 and 32: Cooper Power Tools P.O. Box 1410 Le
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Page 45: SP-1300-3-EN-0105-.25M Peck Feed Dr
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Page 51 and 52: Peck Drills Accessories Peck Drills
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