Variable Torque Drag Brake

Variable Torque Brake for Self Regulating
Constant Tension Systems, VT Series

FEATURES • SELF REGULATING, CONSTANT TENSION FROM FULL TO EMPTY SUPPLY SPOOL • PURELY MECHANICAL TENSION CONTROL, REQUIRES NO ELECTRICAL INPUT • LONG LIFE UNDER CONTINUOUS SLIP CONDITIONS • LOW DRAG TORGUE DURING ACCELERATION • HIGH BRAKE TORQUE DURING DECELERATION • SMOOTH OPERATION, FREE FROM JITTER • TENSION UNAFFECTED BY SLIP SPEED • MINIMIZES MATERIAL SPILLAGE • TORGUE RANGES FROM 1 TO 50 IN.-LB • CAN BE SUPPLIED AS A COMPLETE SYSTEM

VT VARIABLE TORQUE BRAKE, SPRING WRAPPED

MODEL NO. *UPPER LIMIT TORQUE (LB.-IN.) •UNIT WT. (oz.) A B C -.0003 D -.0005 E F G H J K L M N O -.0005 VT-9 1 2 .95 1.12 .1872 .3750 .63 .04 .04 1.05 .09 .90 .42 .72 .130 .1873 VT-13 3 6 1.43 1.63 .2497 .6250 .75 .06 .06 1.55 .125 1.09 .68 .97 .130 .1873 VT-16 6 10 1.75 1.87 .3747 .8750 .75 .09 .09 1.88 .125 1.21 .74 1.04 .130 .1873 VT-20 12.5 23 2.12 3.10 .3747 .8750 .75 .06 .06 2.25 .125 1.38 1.37 1.67 .130 .1873 VT-30 50 100 3.24 5.13 .4997 1.3750 1.3750 .13 .13 3.24 .375 2.40 2.25 2.75 2.50 .2500 Federal Supply Code-15531   Covered by US Patents and Patents Pending

ORDERING INFORMATION (when ordering any VT Series be sure to specify) • MODEL NUMBER • MAXIMUM TORQUE REQUIRED • DIRECTION OF ROTATION OF BRAKE SHAFT (VIEWED FROM MOUNTING END) • DIRECTION OF ROTATION OF CONTROL CRANK TO REDUCE TORQUE.(VIEWED FROM MOUNTING END) • CLAMPING RING MODEL(OPTIONAL)		MODEL NO. CLAMP RING NO P Q R T VT-9 R-9 1.56 .125 1.280 .16 VT-13 R-13 2.00 .125 1.750 .19 VT-16 R-16 2.42 .125 2.125 .19 VT-20 R-20 2.75 .125 2.500 .19 VT-30 R-30 4.00 .200 4HOLES 3.600 .50
CLAMPING RING Mounting of VT brake with a MCC aluminum clamping ring provides the means for infinite angular adjustment of the brake within it's linkage arrangements.

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Manufacturers of Custom Machine Components for the Military/Aerospace,
Automotive, Computer, Telecommunications, and Medical Industries.

Machine Components Corporation
70 Newtown Road, Plainview, NY 11803-4382
Phone: (516) 694-7222 • Fax: (516) 694-7252
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