Broomfield 450 Series
Medium Capacity Coil Winding Machine
The Broomfield 450 Series is a cost effective manual coil winder that provides for winding up to an 80” (2032 mm) diameter coil, suited for transformers with many taps or for motor rewinding.
Specifications
- Low-cost solution
- Steel construction for superior strength
- Electrically actuated brake for positive stopping
- Electronic controls for stopping at the desired turns count
Motor Equipment: 3 HP (2.24 kW) AC Vector motor and drive with foot controlled variable speed.
Faceplate: 14" (356 mm) diameter
Reduction: Gear reducer
Spindle Speeds & Corresponding Torques |
||
|---|---|---|
| 0-43 rpm | 365 ft. - lbs.* | (495 Nm) |
| 0-58 rpm | 270 ft. - lbs.* | (366 Nm) |
| 0-70 rpm | 225 ft. - lbs.** | (305 Nm) |
| 0-87 rpm | 180 ft. - lbs.* | (244 Nm) |
| 0-116 rpm | 135 ft. - lbs.* | (183 Nm) |
| 0-175 rpm | 90 ft. - lbs.* | (122 Nm) |
| 0-233 rpm | 67 ft .- lbs.* | (91 Nm) |
*Assumes 100% efficient gear train
** Only (1) may be chosen
Power Requirement:
Electrical — 220 volt, three phase, 30 amps (Other voltages available).
Spindle Rotation: Either direction can be selected by a switch on the control panel.
Spindle Center Height: 41" (1041 mm) from the floor
Brake: Electromagnetic spring-set disc brake operated by removing foot from variable speed control, by total turns counter, or by emergency stop button.
Tailstock: Mounted on precision ways to allow positioning anywhere along winding axis. 4” (102mm) quill travel and 60° live center in number 4 Morse taper.
Maximum Distance Between Centers:
450B: 48" (1218 mm)
Maximum Swing Diameter:
450A: 80" (2032 mm)
450B: 63" (1600 mm)
Machine Control: Electronic turns counter with digital display provides programming of a slow down and stop turns count valve.
Weight:
450A: 875 lbs. (397 Kg)
450B: 1,700 lbs. (772 Kg)
Machine Options
- Winding forms and toolings
- Various headstock and tailstock holding fixtures
- 5 HP (3.73 kW) spindle motor for speed ranges above 87 RPM
- Fiberglass banding assembly
- Custom modifications for special applications
- Touchscreen, multi-program controller
