1. A system for converting a vertical milling machine to a lathe, the vertical milling machine including a means for moving a table in an x and y direction and a vertical spindle movable along a z-axis, the system comprising:
a turning head assembly adapted to couple to the vertical milling machine, the turning head comprising a horizontal spindle adapted to receive a work piece;
an electric motor assembly adapted to turn the horizontal spindle by means of a pulley driven by the motor and coupled to the turning head assembly;
an electric auxiliary fan adapted to cool the electric motor assembly independent of a belt speed of the pulley; and
a tool adapted to insert into the vertical spindle.
2. The system of claim 1 wherein the tool further comprises:
a turning bar carried by the vertical spindle;
the turning bar comprising a head tapering from the shank end to a narrow v-shaped insert end, which adapts to releasably couple a conventional tool insert having a cutting edge, the turning bar further having vertical axis aligned to coincide with the vertical spindle axis and adapted to align the cutting edge in line with the vertical axis of the milling machine.
3. The system of claim 1 wherein the turning head assembly includes a housing adapted to encapsulate the horizontal spindle, the electric motor and the electric auxiliary fan.
4. The turning head of claim 1 wherein the horizontal spindle further comprises:
a lathe head mounted to a base plate, the base plate adapted to selectively couple to the table of the milling machine.
5. The system of claim 1 wherein the tool comprises:
a turning bar comprising a simple cylindrical shaft having a shank axis vertically extending along the long axis of the turning bar, and this axis is concentric to the center of the mill head spindle when mounted to the milling machine spindle, the shaft further comprising a tapered end and an opposite, cylindrical shank end adapted to selectively couple to the vertical spindle;
the tapered end further comprises a narrow v-shaped insert end, adapted to releasably couple a conventional tool insert.
6. The system of claim 1 further comprising a tailstock adapted to couple to the vertical milling machine.
7. The system of claim 1 further comprising a CNC machine interface adapted to position the turning head in the x and y directions relative to a z direction on of the vertical spindle.
8. The system of claim 1 wherein the turning head further comprises:
an indexable pulley head coupled to the horizontal spindle, the indexable pulley head adapted to selectively position the horizontal spindle in a first locked position.
9. The system of claim 1 wherein the tool comprises:
a stylus comprising a simple cylindrical shaft having a shank axis vertically extending along the long axis of the tool, and this axis is concentric to the center of the mill head spindle when mounted to the milling machine spindle, the shaft further comprising a tapered end and an opposite, cylindrical shank end adapted to selectively couple to the vertical spindle.
10. The system of claim 9 further comprising:
an x-y slider coupled to the milling machine means for moving a table in an x and y direction, the x-y slider operable to move in an x-y, the x-y slider adapted to receive a tool post, the tool post adapted to selectively couple to the stylus; the tool post further adapted to receive a lathe tool.
11. A method of operating a vertical milling machine as a horizontal lathe, the method comprising:
providing a vertical milling machine having a selectively rotatable vertical spindle and control of a horizontal table in the x and y directions and vertical control of the spindle in the z direction;
providing a tool adapted to insert into the vertical spindle; and
providing a turning head having a horizontal spindle; and
mounting the turning head to the milling machine so that the vertical spindle and horizontal spindle arrange substantially at about a 90-degree angle to each other; the turning head mounting to the vertical milling machine to enable x and y positioning of the horizontal spindle relative to the z-axis movement of the vertical spindle.
12. The method of claim 11 wherein:
providing the tool further comprises providing a turning bar.
13. The method of claim 11 wherein:
providing the tool further comprises providing a stylus, the stylus adapted to engage the vertical spindle of the milling machine;
providing an x-y slider having a tool post with a lathe tool coupled to the tool post, the tool post further adapted to receive an end of the stylus.
14. The method of claim 11 further comprising:
providing a turning head further comprising an electric motor assembly coupled to the vertical spindle, the electric motor assembly further including an electric auxiliary fan coupled to the belt guard wherein the fan runs independent of the pulley.
15. The method of claim 11 wherein providing a tool further comprises:
providing a turning bar comprising a head tapering from the shank end to a narrow v-shaped insert end, which adapts to releasably couple a conventional tool insert having a cutting edge, the turning bar further having vertical axis aligned to coincide with the vertical spindle axis and adapted to align the cutting edge in line with the vertical axis of the milling machine.
16. The method of claim 11 wherein providing a tool further comprises:
providing a tool comprising a simple cylindrical shaft having a shank axis vertically extending along the long axis of the turning bar, and this axis is concentric to the center of the mill head spindle when mounted to the milling machine spindle, the shaft further comprising a tapered end and an opposite, cylindrical shank end adapted to selectively couple to the vertical spindle.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A surge protection device for isolating a premise device from a surge input, said surge protection device comprising:
a first surge path receiving a downstream bandwidth;
a second surge path inductively coupled to the first surge path with an inductive coupling, the second surge path receiving the downstream bandwidth after the first surge path; and
a blocking element located in the second surge path in a position receiving the surge input before the premise device, wherein the blocking element is configured to block the surge input long enough for the surge input to dissipate through the inductive coupling to prevent the surge input from reaching the premise device, wherein the inductive coupling and the blocking element are connected in series.
2. A surge protection device according to claim 1, wherein the inductive coupling includes a first winding coupled to the first surge path, and a second winding coupled to the second surge path, wherein the downstream bandwidth passes from the first winding to the second winding.
3. A surge protection device according to claim 1, wherein the inductive coupling is an RF transformer coupling the first surge path and the second surge path.
4. A surge protection device according to claim 3, wherein the RF transformer comprises one or more of a Ruthroff transformer, a Guanella transformer, a Marchand transformer, and a Balun transformer.
5. A surge protection device according to claim 1, further comprising a filter circuit coupled to the second surge path between the blocking element and the premise device.
6. A surge protection device according to claim 5, wherein the filter circuit comprises one or more of a low pass filter, a high pass filter, and a bandpass filter.
7. A surge protection device according to claim 1, wherein the blocking element comprises a dielectric material.
8. A surge protection device according to claim 1, wherein the blocking element comprises a capacitor.
9. A signal conditioning device configured to isolate a premise device from a surge input generated in a CATV system, said signal conditioning device comprising:
a first signal path for receiving a downstream bandwidth from the CATV system;
an RF transformer coupled to the first signal path, the RF transformer comprising a first winding and a second winding inductively coupled to the first winding;
a second signal path coupled to the second winding, the second signal path for transmitting the downstream bandwidth to the premise device; and
a blocking element coupled to the second signal path in a position receiving the surge input before the premise device, wherein the blocking element is configured to block the surge input long enough for the surge input to dissipate through the first and second windings to prevent the surge input from reaching the premise device, wherein the blocking element and the RF transformer are connected in series.
10. A signal conditioning device according to claim 9, wherein the RF transformer comprises one or more of a Ruthroff transformer, a Guanella transformer, a Marchand transformer, and a Balun transformer.
11. A signal conditioning device according to claim 9, further comprising a filter circuit coupled to the second signal path between the blocking element and the premise device.
12. A surge protection device according to claim 11, wherein the filter circuit comprises one or more of a low pass filter, a high pass filter, and a bandpass filter.
13. A system for blocking a surge input from a premise device in a premise, the system comprising:
a surge protection device secured to the premise, the surge protection device comprising an internal circuitry having a head-end side and a premise side, the internal circuitry comprising,
a first surge path coupled to the head-end side, the first surge path receiving a downstream bandwidth,
a second surge path inductively coupled to the first surge path with an inductive coupling having a first winding and a second winding, the second surge path for transmitting the downstream bandwidth to the premise side, and
a blocking element coupled to the internal circuitry, the blocking element receiving the surge input before the premise device, wherein the blocking element is configured to block the surge input long enough for the surge input to dissipate through the inductive coupling to prevent the surge input from reaching the premise device, and wherein the inductive coupling and the blocking element are connected in series,
wherein the surge input passes through one or both of the first winding and the second winding to a ground.
14. A system according to claim 13, wherein the inductive coupling includes a first winding coupled to the first surge path, and a second winding coupled to the second surge path, wherein the downstream bandwidth passes from the first winding to the second winding.
15. A system according to claim 13, wherein the inductive coupling is an RF transformer coupling the first surge path and the second surge path.
16. A system according to claim 15, wherein the RF transformer comprises one or more of a Ruthroff transformer, a Guanella transformer, a Marchand transformer, and a Balun transformer.
17. A system according to claim 13, further comprising a filter circuit coupled to the second surge path between the blocking element and the premise device.
18. A system according to claim 17, wherein the filter circuit comprises one or more of a low pass filter, a high pass filter, and a bandpass filter.
19. A system according to claim 13, wherein the blocking element comprises a dielectric material.
20. A system according to claim 13, wherein the blocking element comprises a capacitor.