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Closed Loop Clutch Brake Exciter

Control the Speed of Eddy Current Stamping Presses
OVERVIEW
CS1000 Closed Loop Clutch Brake Exciter
Slide Angle Operations Screen Slide Angle Screen
CS1000 Press Speed Setup Screen Press Speed Setup Screen
CS1000 Resolver Screen Resolver Screen
Stamping presses are often used to produce automotive body panels. In single and double action presses, there is usually a need to draw the metal at a slow speed to prevent undue stress or tearing of the metal. It is also desirable to maintain a fast, press cycle time. This can be accomplished using an eddy current clutch and braking system where the speed profile can be controlled throughout the press stroke.
Stamping presses have an AC or DC motor that runs a large flywheel at a fixed speed. The press gearing and ram are connected to the flywheel through a variable eddy current clutch/brake. Precisely controlling the amount of current in the clutch or brake coils sets the speed of the press ram. Increasing the current in the clutch coils causes the press to run faster, and increasing the current in the brake coils slows the press. The clutch & brake coils are never “on” at the same time.
Dynamatic Corporation produced the majority of the clutch/brake assemblies used on presses. Stamping plants are familiar with these mechanical workhorses and are adept in maintenance and rebuilding procedures. The failing point on these older systems has been the care and maintenance of the eddy current controller. Parts for the controller are generally expensive, and difficult to locate. Maintaining the controller requires extensive training for service personnel.
The Galco CS1000 Closed Loop Clutch Brake Exciter is a PC-based system designed to control the speed of eddy current presses. The existing rotating clutch/brake assembly can be precisely controlled with this system. The CS1000 is designed to fit in the same space as the Dynamatic unit and the wiring is virtually the same. It’s a drop-in replacement for defective, older units and changeover can be done with minimum downtime. Existing feedback devices on the press (ratiometric resolver and AC tachometer) are used in the new system. All setup and adjustment is done graphically. No more looking up parameters, figuring out what they do and trial-and-error adjustment. Graphic status indicators, error indicators, performance indicators, and a date-stamped fault log are standard. This makes troubleshooting easier for maintenance personnel. Rounding out the features on the CS1000 is an extremely robust power section that ensures maximum MTBF, plus an electronic current overload function that protects the clutch and the brake.
FEATURES & BENEFITS
  • Graphical operator and maintenance interface - Easier setup and support
  • All digital power section firing with robust, dual 3-phase 6-SCR power section - No drift in adjustments with maximum MTBF
  • Electronic overload - Reduced overcurrent failure of clutch/brake coils
  • Fits into existing Dynamatic space - Quick changeover
STANDARD ITEMS
  • Install into existing enclosure
OPTIONAL ITEMS
  • Spare parts packages available
  • On-site start-up assistance
  • Press print update services
HOW TO ORDER
Call your friendly Galco Sales Representative today.
Estimated delivery 6 weeks ARO.  Prices subject to change without notice.
CALL GALCO TODAY!   800-575-5562
1451 E. Lincoln Ave  Madison Heights, MI  48071
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