Page 484 - Republic Drill

3-Jaw High speed

Power chucks

cHUcKs High quality, lever style, High speed Power chuck

Cushman thru-hole high speed chucks, hydraulic cylinders and tooling are integrated,
power operated workholding packages. Acme serrated master jaws are standard on
these thru-hole cylinder and chuck combinations.

With a work clearance hole through both hydraulic cylinder and chuck, a Cushman high
speed workholding package affords great flexibility for users of conventional bar and
chucking machines as well as automatic N/C equipment.
Cushman high speed chucks counter centrifugal force using a system of counter weights
to reduce the tendency of the jaws to release at higher speeds.
NOTE: Master Jaws, Levers, Lever Pins, Plungers, Bushings, and Counterweights
are available from stock upon request.
All chucks are priced on application.

High-speed Thru-Hole chucks
series Y10-590 recommended operating limits
Est. Thru Max Rec. Max Rec. Jaw Force @ Jaw Force @ Max Max Top Jaw WR for
Model no. Size Gross Hole Speed Draw-Tube Max Rec. D.T.P. Rec. D.T.P. (lbs/ Rated Speed
(Inches)
Wgt. (lbs) (Inches) (R.P.M.) (2) Pull (lbs) (1) (lbs/Jaw) (1) Jaw) (2) (lb.-in.) (2)
Y10-590-08-A06A 08 58 1.50 4,500 14,000 5,300 2,650 3.03
Y10-590-10-A06A 10 100 2.56 4,000 16,500 6,100 3,050 6.74
Y10-590-10-A08A 10 100 2.56 4,000 16,500 6,100 3,050 6.74
Y10-590-12-A08c 12 150 2.56 3,500 18,000 9,500 4,750 10.16
Y12-590-12-A08A 12 150 3.13 3,500 18,000 9,500 4,750 10.16
Y10-590-15-A08c 15 260 2.56 3,000 24,950 15,200 7,600 24.23
Y12-590-15-A08A 15 260 3.13 3,000 24,950 15,200 7,600 24.23
Y10-590-15-A11c 15 260 4.62 3,000 24,950 15,200 7,600 24.23
Y10-590-18-A11c 18 390 4.62 2,250 24,950 18,500 9,250 29.68

(1) Rated jaw force is based on static conditions (2) Maximum recommended speeds are based on 50% jaw
(O.R.P.M.) with factory lubrication. Variations in jaw force retention at the stated WR (weight x radius to cen-
force due to changes in chuck, lubrication or both may ter-of-gravity) value. Specific applications must be reviewed by
occur. Jaw force may increase with use.This will not be the user to establish that the jaw force is adequate for the loads
detrimental to the chuck as long as the increase does not to be encountered.
exceed 20%. Higher speeds may be permissible but must be reviewed.
Contact your Cushman representative.

482