Being a well-established organization, we bring forth an excellent assortment of AC and DC Drum Controller. Our offered drum controller is widely acknowledged in the market for its accurate dimension and smooth finish. Provided drum controller is manufactured by our adroit professionals utilizing the best quality raw material and innovative technology, used for effective motion control in all types of cranes. Moreover, this drum controller is available in varied sizes and specifications.
- Rugged design
- High strength
- Fine finish
This product consists of the following parts:
- Housing: The controller is cased in an enclosure made of steel sheets, which is cut on the top & bottom, in order to make windows that are covered with cast iron plates. The front cover of the housing can be removed without any difficulty, and provides optimum space required for the proper maintenance of the controller.
- Controller Drum: The drum is a component having considerable diameter, which provides greater wearing surface & increases the arcing distance between segments & tips. Drum contacts are fabricated using heavy gauge, hard drawn copper, and are attached to cast iron drums, using counter sunk head screws. The ratchet wheel ensures the exact positioning of these contacts at each step, and are placed upon spring loaded pawl lever, which can be adjusted easily, and are equipped with rollers. A square bakelite tube is provided with square drum shafts, and are used to insulate drum castings.
- Contact Fingers: Primary Contact Finger Dies are of hinged pattern, and are firmly clamped to a bake lite insulated, square steel bar. A renewable hard-drawn, half-round copper tip is fixed on each contact finger, which undertake the moving action of rotary drum, as a result of the pressure applied by helical spring. The current is transmitted from the contact fingers to terminal bases by laminated copper shunts.
- Arc Shields: This equipment is supplied with substantial arc shields on all main points, and the complete arc shield assembly can easily be removed for inspection purposes. These can also be replaced with ease in case the assembly is impaired or damaged in any way.