
Ingersoll Rand Hi-Thrust Self-Feed Drill PN 8670-47-3
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.
MODEL NUMBER | 8670-47-3 | |
---|---|---|
TOOL SERIES | High-Thrust 8670 | |
FREE SPEED (rpm) | 4,700 | |
NOMINAL DRILLING CAPACITIES | ||
Stnls. Steel Type 304 | — | |
Steel SAE 1213 | 3/16 (4.75) | |
Aluminum 2024-T4 | 7/16 (11.1) | |
Wood, Med. or FRP | 1/2 (12.7) | |
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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