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Ingersoll Rand Hi-Thrust Self-Feed Drill PN 8670-28-3

Ingersoll Rand Hi-Thrust Self-Feed Drill PN 8670-28-3


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ARO Hi-Thrust Automatic Feed Drills are designed for increased material removal rates of standard alloys and non-ferrous materials. Their high power and thrust also enable the machining of even the most demanding materials, including titanium and high-nickel alloys.

ARO Hi-Thrust Drills feature a dual piston which develops the increased thrust for fast penetration and reduced cycle times. The tools are fully automatic, with all cycle and motor functions regulated by a single control module. They are easi ly installed, requiring only simple pneumatic circuitry. Hi-Thrust Drills can also be used in conjunction with other pneumatic and electric ARO Automatic Production Tools.

Additional features / benefits include—

  •  Adjustable hydraulic check provides positive feed rate control for fine adjustment of chip size or breakthrough control.
  •  “Dead stop” and “dwell” control offer repeatable depth accuracy within .001".
  •  Heavy-duty cast iron housing for rigid mounting.
  • Constant tool length, regardless of spindle speed, allows speed change without reposition ing the tool.
  • Both coarse and fine stroke length adjustments enables quick, accurate setups.
  • Control module is a complete, replaceable unit and can be easily removed without tool disassembly.
  • Modular motor and gearing units enable fast, easy speed changes and servicing.
  • Single exterior lubrication point for entire gear train simplifies preventative maintenance.
  • Muffled exhaust for a more comfortable work en vironment.
  • Exhaust may be piped away.

 

SPECIFICATIONS
MODEL NUMBER 8670-28-3
TOOL SERIES High-Thrust 8670
FREE SPEED (rpm) 2,800
NOMINAL DRILLING CAPACITIES
Stnls. Steel Type 304 3/16 (4.8)
Steel SAE 1213 1/4 (6.35)
Aluminum 2024-T4 9/16 (14.3)
Wood, Med. or FRP 5/8 (15.9)
THRUST @90 PSI lb. (N)
lb. 500
(N) (2224)
AIR CONSP.‡ @WORKING SPEED ft3/cycle (L/cycle)
ft3/cycle 5.0
(L/cycle) (142)
SOUND LEVEL dB(A) 80
STD. CHUCK CAPACITY in. (mm)
in. 3/4
(mm) (19.0)
STROKE LENGTH in. (mm)
in. 3.0
(mm) (76)
AIR INLET 3/8" NPT male
CONTROL PORTS 1/8" NPTF female
SPINDLE THREAD 5/8"-16 male
RECOMMENDED HOSE SIZE 5/8" I.D.
RECOMMENDED OPERATING PRESSURE 90 PSIG (6.2 bar)
COUPLER/CONNECTION 1/2"
F/R/L 1/2"

 

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