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Page 32 B. Use a circular arc milling tool Use a flat end milling tool 8 Enter the maximal cut. Page 33 B. Page 34 B. At first, finish tool setting and return the boring ring scales on X- and Z- axes to zero.
Page 35 B. Page Simple R C. If the arc to be processed is simple enough, and the required smoothness is average, the simple arc R function may be a good choice. Page 38 C. Enter the diameter of the tool TL DLA : When processing the arc in Planes XZ and YZ, end mill is used and the processing in carried by the end edge of the tool, so the diameter valve to be entered should be zero.
Page 39 C. Page 40 C. Page 41 C. Select the simple function, key 2 Select the way of the R processing Point A is the start point, key Point A is the start point, key Page 42 C.
Page 45 D. Page 46 D. Page In the display mode of every UCS, processing with various special function can be performed. The setting of all the subsidiary zero positions of the working piece shown in Fig. Why the enter position coordinates of every subsidiary zero position are just in the opposite direction of the displayed values? Let us explain this with the above example.
Continue to touch four time key The setting of all the subsidiary zero positions of the working piece shown in Fig. The Clearing of Subsidiary zero positions In absolute state ALE state , key 10 times continuously, the memory about all the subsidiary zero positions will be cleared, the subsidiary zero positions will become the same point of the zero position in the absolute state. It is possible to enter the display mode of every UCS taking a subsidiary zero position as its original points to perform the processing when need.
Two Method Method 1: Method 2: 3 Enter the position of the first subsidiary zero position. As the above example illustrates, under the user coordinate display mode, if your enter the coordinate of auxiliary zero position on the position of the zero position under absolute state, the display result will be the position of absolute state zero position in this user coordinate.
The unilateral allowance through rough turning is 0. First set the absolute coordinate origin at Point A, then directly the position of the auxiliary zero point according to the setting method I for auxiliary zero point to set up the user coordinate system. Reset during a subsidiary zero position is being used A subsidiary zero position is being used of course under the display mode of the corresponding UCS, resetting in this state is actually to reset a new subsidiary zero position.
The Function For Point Be the same with: 2V-GRIND 1 After setting the zero position in the absolute mode, the system automatically perform a keeping in memory operation, in order that once a power interruption happen in the course the zero position may be tracked back. Why the direction of each coordinate of your input auxiliary zero-position opposite to that of the display result?
As the above example illustrates, under the user coordinate display mode, if your enter the coordinate of auxiliary zero position on the position of the zero position under absolute state, the display result will be the position of absolute state After selecting this function, the message window will prompt for various parameters to be defined for the operator.
Page 73 F. Enter the parameter Select Plane XY. Page 74 F. If the arc is dividing by 6 points. If the whole circle is divided by 7 point. Page Angular Surface Processing G. Aligning for the bank angle: When the processing surface is Plane XY as in the case of the fitting shown in Fig. Page 77 G. Let the metering tool come just in contact with the working piece, and adjust the scale reading into zero, then move the machine table an arbitrary distance along X axis.
Page 78 G. Enter the diameter of the tool DIA. You may quit the angular surface processing function at will, just key Refer to the example: 1 Align for the bank angle, finish tool setting, and key Page 79 G.
You may quit the angular processing function at will, just key The details are as following: All the resulted value is displayed on X axis. Page 82 H. Page Tool Diameter Compensation I. Page 85 I.
Start the processing at the position shown in Fig. Page Tool Storeroom J. Page 88 J. Page 89 J. Key can call other tools. Operation: As figure shows, the nod of lever meter is touched the position A of work piece surface.
This function is delivered by a kind of intellectual location tracing, testing and protecting device. Page 94 L. In the positive processing, electrode the electrode surface will be covered by workpiece accumulative carbon; in case of long time processing and overtime processing not under control by anybody, such accumulated carbon is not cleaned by anyone; Page 95 L.
Note: Values on Y-axis means the depths reached on the work piece by processing. Note: Values on Z-axis mean the values of locations of main axis electrode on Z-axis. Page 96 L. Page 97 L. Page 98 L. Return to the state before processing.
Example 2: Work piece shown in the processing drawing c. Page 99 L. Page L. Page Digital Filter Function M. SDSV special readout for grinding machine has the digital filter function, it delays the readout display value when the grinding machine is vibrating.
Page N3 Function N. Page N. The last point 10 The last point, move axis X to 0, move axis Z 0. Page O. What the user must know: 1. The digital display box must be handle carefully. The box must be grounded properly. Digital Filter Function. Vertical slope machining N3 Function O. Rectangular Pocket Milling P. Additional sheet. Resetting axis value to zero 1 It is possible to reset to zero at any point by pressing 2 Or 2.
Axis Presetting 1 As shown in the figure, after drilling hole A, if the position of the working piece has moved and hole A is used as a datum. SE L 4 5,to enter value If entered value is wrong, key and enter correct value 5 , If any mistake, repeat Note: Resetting absolute and incremental display mode must be done separately.
It is also possible to enter the display mode of sets of user coordinates as shown in the following diagram. Or and enter the coordinate number directly. Enter the number digit keys, such as 6. Centering Function As shown in the figure, the center between two points can be found.
Same method can apply to Y and Z-axis. Note: Lathe DRO does not have this function. X axis datum on the center line. Switch witching ing between summing axis display mode. Note: only lathe DRO has this function, summing option parameter must be set; only Z axis displays value and cannot be preset or cleared ed. Segmented error compensation Note: Segmented error compensation can only be applied in metric mode. After segmented error compensation, the display can be converted freely between metric system and imperial i systems.
There are two methods for segmented error compensation of the digital display meter: 1. To carry out error compensation taking the start point as the mechanical origin. Figure 1 To carry out error compensation taking the first absolute zero of the linear scale as the mechanical origin.
Figure 2 L: The distance of effective range of linear scale L1: Length of the compensation segment L2: Effective distance of the compensation segment 1.
Set up according to the sketch map 1. The parameter set-up method is as follows: 1 Move the linear scale to the smallest end of the coordinate data, enter into the ALE right-angle coordinate system.
Move towards the positive direction of X axis of the machine tool and search for the 1st absolute zero of the linear scale as the mechanical origin. After finding the origin, then auto enter the next step for data input. This time the X-axis displays the linear scale fact value, and Y-axis displays the former compensation value if first time for compensation, the Y-axis displays an uncertain value.
If the value input is wrong, don t move the linear scale and press then press this time the display of Y-axis will be in input state, and input the right value again. Press, and enter into the next set-up point coordinate value Remarks: In this function, the display of X axis is the coordinate value, while Y axis displays the standard value or the actual real measurement value.
The standard value or the measurement value by laser 7 Input the compensation setup of the 2nd segment Press 2 0 X Y Press, enter into the next set-up point 8 Input the compensation setup of the 3rd segment Press 3 0 X Y Press, and enter into the next set-up point 9 Input the compensation setup of the 4th segment Press Press, and enter into the next set-up point 10 Input the compensation setup of the 5th segment Press Press, and enter into the next set-up point Remarks: The input zone for compensation value of Y and Z axis is the coordinate display of X axis.
Cancellation of segmented compensation value Segmented compensation is valid only for a set of DRO, linear scales and machine tool together. If a linear scale or DRO is moved to another machine tool, it needs to be reset.
If segmented compensation function is not needed, it can be cancelled as follows: According to the set-up method of segmented compensation indicated above, when entering the quantity of compensation points, input 0.
At this time, all previous compensation values are cancelled automatically. Finding the function of the mechanical origin If the linear scale is moved without power to the DRO the mechanical origin needs to be found again. Because of movement without power the coordinate origin of the machine tool won t match the value in the DRO.
If the mechanical origin is not found, the misplaced relationship is brought into the coordinate system. The method of finding mechanical origin is as follows: 1. Move the linear scale to the position which is initially set up as the mechanical origin, and then set up segmented compensation.
When inputting the quantity of compensation segments and the compensation length, do not make any change, and press to skip. Enter into the interface for choosing compensation method, press. At this time, First move the linear scale to the smallest value, and then set up segmented compensation. When inputting the quantity of compensation segments and the compensation length, do not make any change, and press. Enter into the interface for choosing compensation method, press to enter X axis to find the status of absolute zero.
Move the linear scale towards the positive direction. When the absolute zero is found, it is the mechanical origin. The DRO processes automatically.
At this time, press key to quit the compensation setup and finish finding the mechanical origin. Remarks: It is applicable to setting up parameters according to sketch map 2 Note: After finding ing the mechanical origin, the user-coordinate will resume.
Advise: find the mechanical origin before starting to work after power on to ensure coordinate origin of the machine tool matches the value in the DRO. Linear Error Compensation Linear error compensation function is used to make linear correction of errors. Power Interruption Memory During processing of a work piece, you may temporarily turn off power and the DRO will automatically store the working state such as working mode in each axis, displayed position, and linear error compensation factor.
When power is resumed, after self checking, the DRO will recover to its working state and previous displayed position values will be restored. Press again to restore axis display. While in Hibernate Axis mode, the DRO will still track linear scale positions, so the table can be moved without losing position.
Note the DRO remains in a power on state in this mode. The function makes it possible to control smoothness of the arc by setting the distance between two adjoining working points. Note: The arrow direction indicates i positive direction of coordinate axes. As shown in Fig. R, to enter the Arc R Calculation function. The center axis 2. Enter the center position of the arc: ct POS The center position of the circular arc is the position of the circle with respect to the position B A O F E b of the tool just after tool setting and reset.
In the processing of the arc in Plane XY, as shown d in Fig. Enter the start angle of the circular arc ST ANG This determines the position of the first cut feed in the processing of circular arc.
As show in Fig. Enter the end angle of the arc ED ANG This determines the position of the last cut feed in the processing of circular arc. For inner circular arc, as shown in Fig.
Move the machine tool to the start point of the processing in following with the display on axes, and then start the point by point processing. You can quit the Arc R Calculation function by pressing.
R 1 At first, finish tool setting, reset, key, and enter ARC function. If finish the tool setting as shown in Fig. If you use a circular arc milling tool, finish tool setting as shown in Fig. Use a circular arc milling tool 5 Use a flat end milling tool 0 8 Enter the maximum cut.
Use a circular arc milling tool setting as Fig. For the processing of this working piece, it is necessary to calculate out the start and end angles of the arc at first. Refer to the figure. R 1 , enter ARC function.
R You may quit ARC function at will, by pressing. Let the tool face just at the arc, and key, enter arc R Calculating function. As to how to let the tool face just at the start point, just refer to 1 in page Enter the diameter of the tool TL DLA : When processing the arc in Planes XZ and YZ, end mill is used and the processing in carried by the end edge of the tool, so the diameter valve to be entered should be zero.
Implement the processing point by point following the display. You may quit the arc R Calculating R function at will, just key. Select the simple function key. You may R quit ARC function, by pressing.
Note: After entering processing mode, the number of the processing point and the accumulated value in Z axis direction will alternately displayed on the message window.
If the depth of cut in Z axis is uniform, the surface quality of the arc may not be uniform. To improve the surface quality of the arc in plane XZ and YZ, the operator may change the maximum cut during processing to bring a uniform surface quality. As each cut feed is uniform, the surface quality of the calculated arc will be uniform, so changing the maximim cut function is not required when processing an arc in Plane XY.
For changing the maximum cut, the operator may follow the following operations. All the operator needs to do is enter the following data: The length of the oblique line LENGTH This is the real distance from the center of the start hole to the center of the end hole, enter this data when MODE L length mode is selected.
The angle is 30 in a , so, the plane angle to be entered is 30; the angle is in b , so the plane angle to be entered is In the following, we take working piece in b as another example to show how to operate when MODE S is selected.
You can quit the function at will, by pressing ALE is the reference system. ALE is confirmed in the initialization of the work piece, which doesn t change if the work piece is not changed. In such cases the ability to set multiple zero datums increases work efficiency. The operator must know the following two key points before making use of this function: 1. Every subsidiary zero position is the origin datum point of one UCS.
Once entering the display mode of a UCS, the display of every point will take the subsidiary zero position as the original datum point. Each subsidiary zero position is relative to the zero position in absolute mode ALE.
After a subsidiary zero position is set, the DRO will keep the position relation between with zero position in the absolute mode in memory, if zero position in the absolute mode changes, the subsidiary zero position will also change by the same distance and angle.
The operator may use this function as follows: 1. Set the zero position in absolute mode ALE lamp on at the main reference point of the working piece, for example, Point O in Fig.
Set subsidiary zero positions at subsidiary reference points of the working piece, for example, Points 1, 2 and 3 in Fig. It is possible to enter the display mode of every UCS taking a subsidiary zero position Setting of subsidiary zero positions. There are two methods of setting subsidiary zero positions: one is entering the position of the subsidiary zero position directly, the other is resetting once a subsidiary zero position is reached.
Using Fig. Enter the UCS display mode. Method 1: Method 2: 1 3 Enter the first subsidiary zero position coordinates. Why the enter position coordinates of every subsidiary zero position are just in the opposite direction of the displayed values?
Let us explain this with the above example. Under the UCS mode, when the coordinates of the subsidiary zero position are entered at the position of the zero position in the absolute mode, the displayed data will be the position of the zero position in the absolute mode in the corresponding UCS.
This is because the subsidiary zero position is taken as the original point of the UCS under the relative display mode. In Fig. If the operator enter the coordinates of a subsidiary zero point other than the zero position in the absolute mode, the displayed data will be the position with respect to subsidiary zero point in the corresponding UCS. For example, when the position of the third subsidiary zero position is entered at Point E, the resulted display will be , When the tool is at the position of the subsidiary zero point, key.
We take the working piece shown in Fig. X axis display 70, Y axis display. Press key three times 10 Move the tool to Point 3. Press key four times Setting of all subsidiary zero positions of example shown in Fig.
Usage of subsidiary zero positions. It is possible to enter a UCS display mode using key or. When using keys and, you may press continuously until reaching the desired UCS number.
Usage of A. Basic Function. Using work piece shown in Fig. X axis display 0, Y axis display X axis display 0, Y axis display 0. Clearing of Subsidiary zero positions In absolute state ALE state , key 10 times continuously, the memory of all subsidiary zero positions will be cleared. Reset during a subsidiary iary zero position while in use When a subsidiary zero position is being used UCS , resetting in this state will set a new subsidiary zero position.
The point at which resetting is performed will become the new subsidiary zero position replacing the original. Halving centering during use of a subsidiary iary zero position. Centering under UCS display mode will actually set a new subsidiary zero position. After centering, the original subsidiary zero position will be replaced by the new subsidiary zero, centered between the original subsidiary zero position and the point at which centering was performed.
Take Fig. Method 1: Method 2: 1 3 Enter the position of the first subsidiary zero position. Why the direction of each coordinate of your input auxiliary zero position opposite to that of the display result? As the above example illustrates, under the user coordinate display mode, if your enter the coordinate of auxiliary zero position on the position of the zero position under absolute state, the display result will be the position of absolute state zero position in this user coordinate.
Because the user coordinate display mode uses each auxiliary zero position as the origin of user coordinate. Seeing from Fig. If the operator enters the coordinate of auxiliary zero point at any other point than the zero point under absolute state, the display result will be the position of this point in this user coordinate.
Method 2: Clearing when the position is reached. When the machine tool is at the position of the subsidiary zero point, key. Method 2 is not suited to operations on a lathe. First set absolute coordinate origin at Point A, then directly set positions of the auxiliary zero point. We have to set the first auxiliary zero point at point 10, , the second at point Clearing of Subsidiary Zero Positions.
Clearing of Subsidiary zero positions In absolute state ALE state , key 10 times continuously, all subsidiary zero positions will be cleared. For other functions refer to page 60 The setting of subsidiary zero position There are two methods of setting subsidiary zero position: the one is entering the position of the subsidiary zero position directly, the other is resetting once a subsidiary zero position is reached.
Two Method Method 1: Method 2: 1 3 Enter the position of the first subsidiary zero position. Method 2 is not suited to operations on grinding machine. The instructions for lathe are not given in details in this manual. The usage of subsidiary zero positions After entering the display mode of the UCS, the corresponding subsidiary zero positions may be used to help in the processing. When using keys and, you may key or continuously until entering the desired UCS.
This function may be used to equally divide a circular arc, like drilling holes distributed uniformly on a flange for example. After selecting this function, the message window o will prompt for various parameters to be defined. The following are parameter to be defined. Position of f the circle center. The Diameter DIA of the circle to be divided equally. B , 9 points must be used to divide the whole circle into 8 equal sections, and Point 9 will coincide with Point 1.
Or in the case of a half circle, 5 points from point 1 to Point 5 must used to divide the arc from 0 to into 4 equal sections. It is also possible to consider as 7 points in points in used to divide the whole circle into 6 equal sections.
S EL 6 Enter the start angle. If the arc is dividing by 6 points , next step. If the whole circle is divided by 7 point , next step. Aligning for the specific angles: When the surface to be machined is in the XY plane, as shown in Fig.
In this case, the angular surface function is very useful in aligning the reference angle. Select the processing plane-plane XY. Move the machine table to let the tool or dial indicator come in contact with the reference plane being aligned, adjust the scale reading to zero, and move the machine table an arbitrary distance along X axis.
Adjust the angle of the work piece and bring the scale reading to zero. For example: Align the angle of work piece to 45 as shown in Fig. White Paper Document No. Preparatory Information: units, incremental or absolute positioning 2. Coordinates: X,Y,Z,. A dialog. This control was built for the shop environment with a rugged keyboard. Trigonometric Functions and Triangles Dr. Philippe B. Laval Kennesaw STate University August 27, Abstract This handout defines the trigonometric function of angles and discusses the relationship between.
No part of this documentation may be copied, transcribed, stored in a data backup system or translated. Content Content Introduction of wiring of CNC router The kind of CNC word. Chapter 7: Trigonometry Trigonometry is the study of angles and how they can be used as a means of indirect measurement, that is, the measurement of a distance where it is not practical or even possible.
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