Acu-Rite Control System MILLPWRG2 User Manual
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ACU-RITE MILLPWRG2 181 8.1 Milling and Drilling Circle ring A ring is a circular pocket with a circular island in the center. A ring is determined by its center point, outside radius (radius of the pocket) and inside radius (radius of the island). The direction of the cut on the inside radius will determine whether you are climb cutting or conventional cutting. MILLPWR G2 will reverse the tool direction on the outside radius so that the cutting direction stays the same. From the PGM screen, press the CIRCLE key to access the Circle popup Menu. Select Ring from the popup Menu. Entering data Enter the X and Y axes coordinates for the center of the ring using the ARROW DOWN key to enter the data, and move to the next field. Enter the Begin and End depths for Z. Enter either the number of passes or the distance between each pass. Pass refers to the cuts that are used to machine the pocket to its End depth. Which choice is shown in the dialogue was selected in Job Setup. Enter the Z axis Feed rate. The last feed rate used previously in the program will be displayed. In the Radius field enter the Outside radius, then enter the Inside radius. For Direction, press either the CW soft key for a clockwise cutting direction or the CCW soft key for a counter-clockwise cutting direction. The Tool fields will automatically be filled in with the current tool loaded. Enter the Z axis Feed rate. The last Feed rate used previously in the program will be displayed.
1828 Milling and Drilling 8.1 Milling and Drilling ARROW DOWN or press the More soft key. The Finish and Feed fields will assume the same as the previous finish fields in the program if it exists. Otherwise this data must be added if required, or leave it blank if not required. For Direction, press either the CW soft key for a clockwise cutting direction or the CCW soft key for a counter-clockwise cutting direction. Press the USE key. If the tool size and type listed in the Tool field are incorrect, change the tool settings before running your program. Tool path description: Machining of the ring begins near the inner radius and works outward. The tool ramps or plunges at the Z feed rate. The XY step size is determined by the system and will not exceed the specified percentage of the tool diameter. The ring is machined at the feed rate programmed in the step. When the tool makes a cut greater than the step over such as the initial cut around the ring, the full cut override is applied to the feed. The full cut override only applies to the rough pass. The finish pass runs entirely at the programmed finish feed. The Z step size is determined by the system and will not exceed the specified distance or number of passes. The tool retracts to the active datums retract position between Z passes. A finish allowance is optional. If specified, this amount is left on the bottom and sides of the pocket to be removed on the finish pass. When finish feed is 0, the finish pass will be skipped. Finish direction applies to both the bottom and side finishes. To match cutting convention the outer radius is machined in the opposite direction of the inner radius.
ACU-RITE MILLPWRG2 183 8.1 Milling and Drilling Circle helix The circle helix can only be performed with a 3 axes system. A helix is defined by one of two ways: By the radius, depth and pitch By the radius, depth and number of revolutions To program a helix: From the PGM screen, press the CIRCLE key to access the Circle popup Menu. Select Helix from the popup Menu. Entering data In the Center field enter the X and Y axes coordinates for the center of the helix using the ARROW DOWN key to enter the data, and move to the next field. Enter the Begin and End depths for Z. In the Radius field enter the radius. For Direction, press either the CW soft key for a clockwise cutting direction or the CCW soft key for a counter-clockwise cutting direction. In the Revolutions fields, enter either the pitch (number of revolutions per Z travel) or the total number of revolutions. The other field will automatically be filled in. The Tool field will default to the current tool selected. In the Offset field select Inside for a external helix, or Outside for an internal helix. Enter the Z axis Feed Rate. The last feed rate used previously in the program will be displayed. Start Angle (optional). Enter the angle where the helix begins (3 o’clock position is 0 degrees; 12 o’clock position is 90 degrees). Press the USE key. If the tool size and type listed in the Tool field are incorrect, change the tool settings before running your program.
1848 Milling and Drilling 8.1 Milling and Drilling Radial slot A radial slot can be defined one way: By the center, radius, start angle, and sweep angle. To program a radial slot: From the PGM screen, press the CIRCLE key to access the Circle popup Menu. Select Slot from the popup Menu. Entering data In the Center field enter the X and Y axes coordinates for the center of the slot using the ARROW DOWN key to enter the data, and move to the next field. Enter the Begin and End depths for Z. Enter either the number of passes or the distance between each pass. Enter the Z axis Feed Rate. The last feed rate used previously in the program will be displayed. In the Radius field enter the radius. For Direction, press either the CW softkey for a clockwise cutting direction or the CCW soft key for a counter-clockwise cutting direction. Enter the Width of the slot. Enter the Start Angle where the first Center of the slot will be. Enter the Sweep Angle where the second Center of the slot will be. ARROW DOWN or press the More soft key. The Tool field will default to the current tool selected. The Finish and Feed fields will assume the same as the previous finish fields in the program if it exists. Otherwise this data must be added if required, or leave blank if not required. Press the USE key. Tool path description: Machining of the slot begins at its first arc center location. The tool ramps or plunges at the Z feed rate. The slot is milled from the center out. The XY step size is determined by the system and will not exceed the specified percentage of the tool diameter.
ACU-RITE MILLPWRG2 185 8.1 Milling and Drilling The slot is machined at the feed rate programmed in the step. When the tool makes a cut greater than the step over such as the initial cut down the center of the slot, the full cut override is applied to the feed. The full cut override only applies to the rough pass. The finish pass runs entirely at the programmed finish feed. The Z step size is determined by the system and will not exceed the specified distance or number of passes. The tool retracts to the active datums retract position between Z passes. A finish allowance is optional. If specified, this amount is left on the bottom and sides of the pocket to be removed on the finish pass. When finish feed is 0, the finish pass will be skipped. Finish direction applies to both the bottom and side finishes. Hole patterns MILLPWRG2 includes several built-in routines that let you program hole patterns quickly and easily. The following hole patterns are described here: Row of Holes Rectangle Frame Rectangle Array Bolt Circle Row of holes A row of holes, can be programmed two ways: By entering the coordinates of the first and last hole By entering the coordinates of the first hole, the spacing between each hole and the row’s angle. The “From” point refers to the center of the first hole, while the “To” point is the center of the last hole. Any additional holes will be spaced equally between these two. You’ll also be prompted for peck and tool retract values. “Peck” lets you break chips and reduce chip buildup during drilling operations. “Tool Retract” allows you to program MILLPWR G2 to raise the tool at regular intervals. To program a row of holes: MILLPWR G2 includes several built-in routines that let you program hole patterns quickly and easily From the PGM screen, press the HOLES key to access the HOLES popup Menu.
1868 Milling and Drilling 8.1 Milling and Drilling Entering data: Select the Row of Holes from the popup menu. In the From field, enter the X and Y axes coordinates for the center of the first hole and ARROW DOWN to the next field. Now either: Enter the X and Y axes coordinates for the center of the last hole in the To field; or perform the following step instead. ARROW DOWN and enter the distance between each hole (from center point to center point) in the Hole Spacing field, then enter the angle of the row of holes. ARROW DOWN, enter the Z fields, Begin, End, and Peck data. Select the type of machining to be done: Drill, Bore, or Position. Either pick from the drop down menu, or the soft keys. Enter the Z axis Feed Rate. The last feed rate used previously in the program will be displayed. Rapid is also available, select by using the Rapid soft key, or select from the drop down menu. ARROW DOWN or press the More soft key. Additional information can be entered for tool retract and tool dwell. The tool field enters the current tool selected as reference information. To use a different tool, that tool has to be entered as the current tool. Press the USE key.
ACU-RITE MILLPWRG2 187 8.1 Milling and Drilling Hole frame and array Hole Frame and Hole Array patterns require the same information, but their patterns differ slightly. Hole frames limit holes to the outside edge of a rectangular shape, while hole arrays allow holes along the outside edge and throughout the center. Hole Frames and Hole Arrays can be defined three ways: By the position of the 1st Corner, size, and the number of holes. By the position of the 1st Corner, position of the 2nd (diagonal) Corner, and number of holes. By the position of the 1st Corner, size, and the number of holes. By the position of the center, hole spacing, and number of holes Choose the method that’s easiest for you based upon the information from your print. You’ll also be prompted for Peck and Tool Retract values. Peck lets you break chips and reduce chip buildup during drilling operations. Tool Retract allows you to program MILLPWR G2 to raise the tool at regular intervals.
1888 Milling and Drilling 8.1 Milling and Drilling Entering data: From the PGM screen, press the HOLES key to access the HOLES popup Menu. Select the Rectangle Array from the popup Menu. Enter the 1st Corner X1 and Y1 axes coordinates. Now enter either the Size of the array or the 2 nd Corner coordinates. Either data entry will automatically fill in the fields for the for the other option. To enter the Size, enter the length of the array along the X and Y axes. Or enter the X and Y axes coordinates for the 2nd Corner. The 2nd corner must be located diagonally from the 1st Corner. This information may be calculated automatically based on the option to put the data in the dialogue. Enter the Begin and End depths for Z. Enter the Peck distance (depth). Select the type of machining to be done: Drill, Bore, or Position. Either pick from the drop down menu, or the soft keys. Enter the Z axis Feed rate. ARROW DOWN, and enter the number of holes in the X field, then the number of holes in the Y field. ARROW DOWN or press the More soft key. Enter the center X and Y axes coordinates. The Hole Spacing field information may be calculated automatically based on the option to put the data in the dialogue. If this is the data to be entered, enter the X and Y fields. Enter the hole pattern angle in the Angle field, default is 0.00 (X axis). The Tool Retract and Tool fields are optional. The Tool field enters the current tool selected as reference information. To use a different tool, that tool has to be entered as the current tool. Press the USE key.
ACU-RITE MILLPWRG2 189 8.1 Milling and Drilling Bolt circle patterns A Bolthole Circle pattern is defined by its center point, radius and number of holes. You can program partial bolthole patterns by pressing the More soft key and entering a start angle and an end angle. Entering data From the PGM screen, press the HOLES key to access the HOLES popup Menu. Select the Bolt Circle from the popup Menu. Enter the Center X and Y axes coordinates. Enter the Begin and End depths for Z. Also enter the Peck distance (depth). Select the type of machining to be done: Drill, Bore, or Position. Either pick from the drop down menu, or the soft keys. Enter the Z axis Feed rate. ARROW DOWN, and enter the required data in the Radius field. For Direction, press either the CW soft key for a clockwise cutting direction or the CCW soft key for a counter-clockwise cutting direction. In the Holes field enter the number of holes required in the bolt circle. Enter the hole pattern angle in the Angle field, default is 0.00 (X axis). In the start angle field enter the angle of the first hole in relationship to 0.00 (X axis). ARROW DOWN or press the More soft key. The Tool Retract and Tool Dwell fields are optional. The Tool field enters the current tool selected as reference information. To use a different tool, that tool has to be entered as the current tool. Press the USE key.
1908 Milling and Drilling 8.2 Additional Milling Functions 8.2 Additional Milling Functions Step functions soft key Additional functions are available from the PGM screen by pressing the Step Functions soft key. Explode When in PGM mode there are certain functions that can be exploded. Pressing the Explode soft key will explode a program step into several, more detailed steps. You can explode the following functions: All HOLES functions, Row, Frame, Array and Bolt Circle Repeat, Mirror and Rotate Engrave Line and Engrave Arc During the explode operation, the program list populates as it is being exploded. A message will be displayed “Exploding the selected step”. A Cancel soft key becomes available during the explode operation. When this key is pressed, the explode operation stops, and the program returns to it original state. No other options are available during the explode operation. Example: A Bolt Circle with eight holes has been programmed. Edit the program by first highlighting the Bolt Circle step. Press the Step Functions soft key Press the Explode soft key. MILLPWRG2 will explode the “Bolt Circle” step into eight steps (002 thru 009). The step that was exploded is now replaced with the individual lines, arcs or positions that made up the step. Highlight the step that represents the hole that will be edited and press the ENTER key, or press the CLEAR key to delete it.