CN201055914Y - NC-plain compatible lathe with multiple operation modes - Google Patents
NC-plain compatible lathe with multiple operation modes Download PDFInfo
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- CN201055914Y CN201055914Y CNU2007200323592U CN200720032359U CN201055914Y CN 201055914 Y CN201055914 Y CN 201055914Y CN U2007200323592 U CNU2007200323592 U CN U2007200323592U CN 200720032359 U CN200720032359 U CN 200720032359U CN 201055914 Y CN201055914 Y CN 201055914Y
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Abstract
The utility model mainly relates to a digital control lathe, in particular to a digital control lathe without using code to set the feeding amount. A digital and common compatible lathe with various actuation methods comprises a lathe bed (1), a main shaft box (2), a tail bed (3), a cutter shelf (4), a digital control system (1-1) is connected with a lathe main shaft (1-8) and is connected with the digital control system (1-1) through a rotary speed measurement (1-7); a servo driving system (1-10) is connected with the digital control system (1-1) through a cutting tool movement system (1-9) and a position measurement (1-11), which is also characterized in that a feeding amount parameter (1-3) is connected with a data interface (1-2) through a feeding amount database (1-4); the data interface (1-2) is arranged with a plurality of feeding amount bracket code disks (1-6) used for selecting the feeding amount parameter, and the data interface (1-2) is connected with the digital control system (1-1). The utility model determines the screw thread processing parameters without depending on digital programming technology, so as to ensure the use of most common lathe operators.
Description
Technical field:
The utility model relates generally to numerically controlled lathe, relates in particular to the numerically controlled lathe that the amount of feeding is set without code.
Background technology:
The delivering gear driving-chain of engine lathe is that the main shaft with lathe connects together, thereby forms spiral trajectory accurately when having guaranteed machining screw.For easily manufactured, even if so do not need to guarantee the delivering gear of spiral trajectory accurately to size face, end face are this, lathe also connects together the driving-chain and the lathe spindle of delivering gear.Therefore, just formed with main shaft revolution lathe tool to move how much distance is the lathe amount of feeding set-up mode of relevant parameter.
After numerically controlled lathe occurs, the lathe amount of feeding is at the afterbody of lathe spindle encoder to be installed, gather the rotary speed data of main shaft by encoder, be transferred to digital control system, the operator is provided with the amount of feeding parameter that needs processing by the mode of writing code, the motion of digital control system control delivering gear, the displacement of realization main shaft revolution lathe tool.
At present numerically controlled lathe is adjusted the mode of screw thread, is the pitch that adopts the mode of numerical control programming to regulate screw thread, parameters such as public affairs, inch screw thread.Adopt G code and M code programming, carry out the screw thread process operation, and can select predetermined fabrication cycles mode by digital control system.Therefore, lathe in machining program and engine lathe technological procedure have bigger difference, the content that relates to is wider, and the programming technique personnel not only will understand performance, characteristics and the method for operation of numerically controlled lathe, and is also very familiar to the aspects such as installation way of tooling system, cutting parameter and workpiece.
The method is generally adopted on existing numerically controlled lathe, and the problem of existence is that the operator for numerically controlled lathe requires height, must be through special training, otherwise have bigger technology barrier, seriously limited the large-scale promotion application of numerically controlled lathe.
The utility model content:
The purpose of this utility model is to avoid the deficiencies in the prior art part and NC-plain compatible lathe that one kind of multiple maneuverability patterns are provided.With the machined parameters input database of engine lathe, use the bottom technology of digital control system as control, adopt rotating disk to select the kind of processing, and show with stepping function.The operator only need manually stir the rotating disk with stepping function, just can select the amount of feeding of screw thread processing on system display in real time, promptly can finish double thread metric and English, the isoparametric selection of pitch.Rotating disk with stepping function is that a kind of amount of feeding is easily selected, input mode in order to provide to the operator, and the stepping rotating disk is provided with scale, and what the stepping rotating disk was controlled is the multidigit electronics.The multidigit electronic switch is combined into one group of natural number in binary mode, a kind of feeding value in each digital corresponding amount of feeding database.Owing to used the multidigit electronic switch of binary mode combination, so the stepping rotating disk can be designed to select with a stepping rotating disk mode of whole feed values according to the needs of lathe function of use; Perhaps select the mode of whole feed values with the combination of several stepping rotating disks.The corresponding a kind of feed value of each scale on the stepping rotating disk.
The purpose of this utility model can be by realizing by the following technical solutions: the NC-plain compatible lathe of one kind of multiple maneuverability patterns, include lathe bed (1), main spindle box (2), tailstock (3), knife rest (4), digital control system (1-1) connect lathe spindle (1-8) and connect digital control system (1-1) by tachometric survey (1-7); Servo drive system (1-10) connects digital control system (1-1) by tool movement system (1-9), position measurement (1-11), and its main feature also includes amount of feeding parameter (1-3) and is connected with data-interface (1-2) by amount of feeding database (1-4); Be provided with several amount of feeding parameters and select the amount of feeding stepping code-disc (1-6) of usefulness on data-interface (1-2), data-interface (1-2) connects digital control system (1-1).
The NC-plain compatible lathe of described one kind of multiple maneuverability patterns also includes and also be provided with amount of feeding screen display (1-5) on digital control system (1-1).
The amount of feeding parameter (1-3) of the NC-plain compatible lathe of described one kind of multiple maneuverability patterns includes long feed amount, traverse feed amount, metric thread, inch screw thread, modulus screw thread, pitch thread, the refinement feeding of arranging with matrix.
It is 1-4 multidigit stepping code-disc that described several amount of feeding parameters are selected the amount of feeding stepping code-disc (1-6) of usefulness.
The NC-plain compatible lathe of described multiple maneuverability pattern also includes the amount of feeding stepping code-disc (1-6) that several amount of feeding parameters are selected usefulness is set on the operation panel that is provided with on the lathe, amount of feeding stepping code-disc (1-6) is provided with scale, corresponding a kind of feeding state of each scale or feeding value, rotate selected amount of feeding stepping code-disc (1-6) back and select feed, the feeding state or the amount of feeding are by the digital control system (1-1) of data-interface (1-2) input lathe.
Described 3 stepping code-discs (1-6) are that first each stepping of stepping code-disc (1-61) is corresponding with a kind of kind of every kind of amount of feeding parameter in the database, demonstrate a kind of amount of feeding parameter of arranging with matrix on the LCD display (5) in real time; Each stepping of second stepping code-disc (1-62) is corresponding with certain delegation in a kind of amount of feeding parameter of arranging with matrix; Each stepping of the 3rd stepping code-disc (1-63) is corresponding with a certain row in a kind of screw thread feed parameter of arranging with matrix.
It is corresponding with the segmentation multiple that the NC-plain compatible lathe of described multiple maneuverability pattern also includes each stepping of described the 4th stepping code-disc (1-64).
The described stepping code-disc of the NC-plain compatible lathe of described multiple maneuverability pattern (1-6) is with the combination of binary system multidigit electronic switch mode.
Described several amount of feeding parameters select the stepping code-disc (1-6) of usefulness to be arranged on the operation panel (7).
The NC-plain compatible lathe of described multiple maneuverability pattern, described several amount of feeding parameters select the stepping code-disc (1-6) of usefulness to be arranged on the installation panel (6) of LCD display (5).
The operating procedure of the utility model numerically controlled lathe is:
(1) amount of feeding parameter (1-3) of lathe is imported amount of feeding database (1-4), and with this amount of feeding database (1-4), by the special-purpose numerical control system (1-1) of data-interface (1-2) input lathe;
(2) demonstration is in real time indicated amount of feeding parameter list with the amount of feeding parameter list of matrix arrangement or in the remarkable position of lathe on display;
(3) with every kind of amount of feeding parameter distribution in a matrix table;
(4) the stepping code-disc (1-6) that several amount of feeding parameters are selected usefulness is set on the operation panel that is provided with on the lathe, stepping code-disc (1-6) is provided with scale, corresponding a kind of feeding state of each scale or feeding value, rotate selected stepping code-disc (1-6) back and select feed, the feeding state or the amount of feeding are by the special-purpose numerical control system (1-1) of data-interface (1-2) input lathe;
(5) after the special-purpose numerical control system of lathe was selected corresponding feeding state or amount of feeding parameter value in amount of feeding database (1-4), lathe was processed with selected feed mode and parameter.
(6) determine cutting speed, the input processing length;
(7) adjust the initial point position of cutter, start the fabrication cycles program of one-pass, processing to feed.
The beneficial effects of the utility model are:
1, numerically controlled lathe feed of the present invention (feed that comprises cutting thread) is provided with, and the parameter of its database adopts the hierarchical approaches of traditional machine tool standard thread pitch fully.
2, the lathe basic-level support is that the Numeric Control Technology feed speed is relevant with the rotating speed of main shaft.
3, the data of the amount of feeding are all by screen display, and are available.
4, installation amount of feeding parameter gauge tap on the control station of screen is being housed.Switch is made in 8 sections choosings that numeric type is housed in the rotating shaft of amount of feeding parameter gauge tap, is used for addressing.Select the feed of a certain retaining by amount of feeding parameter gauge tap, promptly selected certain address of feed database, also just mean by database and determine that lathe will be with certain feed work.
5, definite screw thread machined parameters of the present utility model does not rely on Technology of NC Programming, guarantees most of engine lathe operators' use.Allow the workman feel exactly at the operation one Daepori bed that is open to traffic.Rotating disc type feed of the present invention has grade selective system to have higher man-machine function, be convenient to operate more.
Description of drawings:
Fig. 1 is the utility model embodiment schematic diagram;
Fig. 2 is the utility model flow chart flow chart;
Fig. 3 is the flow chart flow chart of the utility model embodiment.
Fig. 4 is the floor map of the utility model operation panel.
The specific embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
Embodiment 1: see Fig. 1, and Fig. 2, Fig. 3, Fig. 4, the NC-plain compatible lathe of one kind of multiple maneuverability patterns includes lathe bed 1, main spindle box 2, tailstock 3, knife rest 4, digital control system 1-1 connect lathe spindle 1-8 and connect digital control system 1-1 by tachometric survey 1-7; Servo drive system 1-10 connects digital control system 1-1 by tool movement system 1-9, position measurement 1-11, and amount of feeding parameter 1-3 is connected with data-interface 1-2 by amount of feeding database 1-4; Be provided with several amount of feeding parameters and select the amount of feeding stepping code-disc 1-6 of usefulness on data-interface 1-2, stepping code-disc (1-6) is with the combination of binary system multidigit electronic switch mode.Data-interface 1-2 connects digital control system 1-1.On digital control system 1-1, also be provided with amount of feeding screen display 1-5.Amount of feeding parameter 1-3 includes long feed amount, traverse feed amount, metric thread, inch screw thread, modulus screw thread, pitch thread, the refinement feeding of arranging with matrix.It is 1 multidigit stepping code-disc that several amount of feeding parameters are selected the amount of feeding stepping code-disc 1-6 of usefulness.1 amount of feeding parameter selects the stepping code-disc 1-6 of usefulness to be arranged on the installation panel 6 of LCD display 5.Amount of feeding stepping code-disc 1-6 is provided with scale, and corresponding a kind of feeding state of each scale or feeding value are selected feed behind the selected amount of feeding stepping code-disc 1-6 of rotation, and the feeding state or the amount of feeding are by the digital control system 1-1 of data-interface 1-2 input lathe.
The utility model is provided with the method for the amount of feeding with a stepping code-disc,
(1) amount of feeding parameter 1-3 with lathe imports amount of feeding database 1-4, and with this amount of feeding database 1-4, by the digital control system 1-1 of data-interface 1-2 input numerically controlled lathe;
Six kinds of amount of feeding patterns with engine lathe, long feed amount, traverse feed amount, metric thread, inch screw thread, modulus screw thread, pitch thread, refinement feeding parameter input database 1-4, and with the digital control system 1-1 of this database 1-4 by data-interface 1-2 input numerically controlled lathe.
(2) with the parameter distribution of every kind of pattern in one 8 * 8 matrix table.
(3) the stepping code-disc 1-6 that an amount of feeding parameter is selected usefulness is set on the operation panel that is provided with on the lathe, stepping code-disc 1-6 is provided with scale, the corresponding a kind of feed value of each scale, rotate stepping code-disc 1-6 the amount of feeding is set, the amount of feeding is by the digital control system 1-1 of data-interface 1-2 input numerically controlled lathe;
Stepping code-disc (1-6) is with the combination of binary system multidigit electronic switch mode, and a kind of amount of feeding parameter in each stepping of 384 stepping code-discs and the database in six kinds of amount of feeding parameters is corresponding.Select certain stepping in 384 stepping code-discs, promptly corresponding certain amount of feeding parameter of this gear.
(4) digital control system is selected corresponding amount of feeding parameter value in amount of feeding database 1-4, and lathe is processed with selected amount of feeding parameter.
The concrete operations step is as follows:
At first, stirred level/stepless switch, activated amount of feeding parameter control stepping code-disc switch to a grade state is arranged.
Then, stir 384 stepping code-disc switches, be determined to certain stepping that needs, select a certain thread pitch parameter in the pitch parameter matrix table;
Tool setting, the input reach starts the self-acting feed program, can move machining screw automatically.
Embodiment 2: see Fig. 1, and Fig. 2, Fig. 3, Fig. 4, the NC-plain compatible lathe of one kind of multiple maneuverability patterns, the utility model numerically controlled lathe is provided with the amount of feeding with two stepping code-disc steppings.
Its key step is the same, and different is to be provided with two stepping code-discs.
Six kinds of amount of feeding parameters is a kind of corresponding in each stepping of first 8 stepping code-disc 1-6 and the database, selects 8 stepping code-discs, demonstrates 8 * 8 matrix permutation table of this kind amount of feeding parameter of arranging with matrix on the display in real time.
Each stepping of second 64 stepping code-disc is corresponding with a kind of amount of feeding parameter of arranging with matrix.
The concrete operations step is as follows:
At first, stirred level/stepless switch, activated amount of feeding parameter control stepping rotary disk shutter to a grade state is arranged.Call out the screw thread database; Stir first 8 stepping code-discs, select one 8 * 8 pitch parameter matrix table;
Then, stir second 64 stepping code-disc, in 8 * 8 pitch parameter matrix table, select a certain thread pitch parameter;
Tool setting, the input reach starts the self-acting feed program, can move machining screw automatically.
Above-mentioned steps repeats, up to finishing processing.
Wherein (2) show the amount of feeding parameter list of arranging with matrix in real time on display.
Embodiment 3: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, the NC-plain compatible lathe of one kind of multiple maneuverability patterns.Its primary structure is with example 1, and different is to be provided with three 8 stepping code-discs.
3 stepping code-disc 1-6 are that each stepping of first stepping code-disc 1-61 is corresponding with a kind of kind of every kind of amount of feeding parameter in the database, demonstrate a kind of amount of feeding parameter of arranging with matrix on the LCD display 5 in real time; Second each stepping of stepping code-disc 1-62 is corresponding with certain delegation in a kind of amount of feeding parameter of arranging with matrix; The 3rd each stepping of stepping code-disc 1-63 is corresponding with a certain row in a kind of screw thread feed parameter of arranging with matrix.
Fig. 3 is the utility model flow chart flow chart.Man-machine interface 2-1, axis system 2-2, screw thread database 2-3 connect data system 2-4; 3 stepping code-discs, first stepping code-disc 1-61 is the feed type selecting, and each stepping is corresponding with a kind of kind of every kind of amount of feeding parameter in the database, and man-machine interface 2-1 demonstrates a kind of amount of feeding parameter of arranging with matrix in real time; Second stepping code-disc 1-62 is the capable selection of feed scale, and each stepping is corresponding with certain delegation in a kind of amount of feeding parameter of arranging with matrix; The 3rd stepping code-disc 1-63, for the feed tabular is selected, each stepping is corresponding with a certain row in a kind of screw thread amount of feeding parameter of arranging with matrix; 3 stepping code-discs connect data system 2-4 by the PLC controller.
The utility model is provided with the method for the amount of feeding with three stepping rotating disks.
Step 1: with six kinds of amount of feeding patterns of engine lathe, long feed amount, traverse feed amount, metric thread, inch screw thread, modulus screw thread, pitch thread, refinement feeding parameter input database are arranged, and with the digital control system of this database by data-interface input numerically controlled lathe.The parameter distribution of every kind of pattern is in one 8 * 8 matrix table.
Step 2: show the amount of feeding parameter of arranging with matrix on display in real time, each parameter is a matrix;
Step 3: three amount of feeding parameter gauge taps are set on operation panel, and this gauge tap is by the digital control system of data-interface input numerically controlled lathe.
Described three feed parameter gauge taps are three 8 stepping code-disc switches.
Six kinds of amount of feeding parameters is a kind of corresponding in each stepping of first 8 stepping code-disc switches and the database, select the stepping of eight band switches, demonstrate 8 * 8 matrix permutation table of this kind amount of feeding parameter of arranging on the display in real time with matrix.As select metric thread.
Each stepping of second 8 stepping code-disc switches is corresponding with certain delegation in a kind of amount of feeding parameter of arranging with matrix; Select the screw thread modulus.
Each stepping of the 3rd 8 stepping code-disc switches is corresponding with a certain row in a kind of screw thread amount of feeding parameter of arranging with matrix.Select the screw thread processing length.
Step 4: by three required feed parameters of amount of feeding parameter control stepping code-disc switch input.
Step 5: digital control system is selected corresponding amount of feeding parameter value in amount of feeding database 1-4, and lathe is processed with selected amount of feeding parameter.
Application examples 1: use the utility model processing metric thread bar:
Major parameter: diameter 30mm, pitch 2mm, length 500mm.
The concrete operations step is as follows:
At first, stirred level/stepless switch, activated feed parameter control stepping code-disc switch to a grade state is arranged. call out the screw thread database; Stir first stepping code-disc switch, select one 8 * 8 pitch parameter matrix table;
Then, stir second stepping code-disc switch and in 8 * 8 pitch parameter matrix table, select certain delegation's thread pitch parameter;
At last, stir the 3rd stepping code-disc switch, a certain row in the pitch parameter matrix table of selection 8 * 8.Row and the crosspoint that is listed as the both pitch of the processed screw thread of required selection.As reach 500mm and diameter 30mm.(whole process shows on LCD display in real time).Tool setting then, the input reach starts the self-acting feed program, can move machining screw automatically.
Above-mentioned steps repeats, up to finishing processing.
The composite signal of three stepping code-disc switches is input to digital control system, handles each parameter of selecting this thread pitch in the screw thread database of back in digital control system by logical operation.Receive the instruction of machining screw when digital control system after, move each parameter automatically, digital control system is sent control signal and is arrived in length and breadth to the feeding motor driver, and the driver drives servomotor is controlled the motion of knife rest, finishes the process of cutted thread.
Embodiment 4:: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, the NC-plain compatible lathe of one kind of multiple maneuverability patterns.
The method key step that the utility model numerically controlled lathe is provided with the amount of feeding with four stepping rotating disks is with example 3, and different is to remove to be provided with three 8 stepping code-discs, and it is corresponding with a kind of segmentation multiple for each stepping also to be provided with the 4th stepping code-disc, refinement feeding parameter.
4 amount of feeding parameters select the stepping code-disc (1-6) of usefulness to be arranged on the operation panel (7).
Claims (10)
1. the NC-plain compatible lathe of one kind of multiple maneuverability patterns includes lathe bed (1), main spindle box (2), and tailstock (3), knife rest (4), digital control system (1-1) connects lathe spindle (1-8) and connects digital control system (1-1) by tachometric survey (1-7); Servo drive system (1-10) connects digital control system (1-1) by tool movement system (1-9), position measurement (1-11), and its feature also includes amount of feeding parameter (1-3) and is connected with data-interface (1-2) by amount of feeding database (1-4); Be provided with several amount of feeding parameters and select the amount of feeding stepping code-disc (1-6) of usefulness on data-interface (1-2), data-interface (1-2) connects digital control system (1-1).
2. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 1 is characterized in that also including also be provided with amount of feeding screen display (1-5) on digital control system (1-1).
3. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 1 or 2 is characterized in that described amount of feeding parameter (1-3) includes long feed amount, traverse feed amount, metric thread, inch screw thread, modulus screw thread, pitch thread, the refinement feeding of arranging with matrix.
4. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 3 is characterized in that it is 1-4 multidigit stepping code-disc that described several amount of feeding parameters are selected the amount of feeding stepping code-disc (1-6) of usefulness.
5. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 4, it is characterized in that also including the amount of feeding stepping code-disc (1-6) that several amount of feeding parameters are selected usefulness is set on the operation panel that is provided with on the lathe, amount of feeding stepping code-disc (1-6) is provided with scale, corresponding a kind of feeding state of each scale or feeding value, rotate selected amount of feeding stepping code-disc (1-6) back and select feed, the feeding state or the amount of feeding are by the digital control system (1-1) of data-interface (1-2) input lathe.
6. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 5, it is characterized in that described 3 stepping code-discs (1-6) are corresponding with a kind of kind of every kind of amount of feeding parameter in the database for first each stepping of stepping code-disc (1-61), demonstrate a kind of amount of feeding parameter of arranging on the LCD display (5) in real time with matrix; Each stepping of second stepping code-disc (1-62) is corresponding with certain delegation in a kind of amount of feeding parameter of arranging with matrix; Each stepping of the 3rd stepping code-disc (1-63) is corresponding with a certain row in a kind of screw thread feed parameter of arranging with matrix.
7. it is corresponding with the segmentation multiple that the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 6, its feature also include each stepping of described the 4th stepping code-disc (1-64).
8. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 7 is characterized in that the combination of described stepping code-disc (1-6) in binary system multidigit electronic switch mode.
9. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 1 is characterized in that the stepping code-disc (1-6) of described several amount of feeding parameters selection usefulness is arranged on the operation panel (7).
10. the NC-plain compatible lathe of one kind of multiple maneuverability patterns as claimed in claim 1 is characterized in that the stepping code-disc (1-6) of described several amount of feeding parameters selection usefulness is arranged on the installation panel (6) of LCD display (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323592U CN201055914Y (en) | 2007-07-13 | 2007-07-13 | NC-plain compatible lathe with multiple operation modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323592U CN201055914Y (en) | 2007-07-13 | 2007-07-13 | NC-plain compatible lathe with multiple operation modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201055914Y true CN201055914Y (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200323592U Expired - Lifetime CN201055914Y (en) | 2007-07-13 | 2007-07-13 | NC-plain compatible lathe with multiple operation modes |
Country Status (1)
| Country | Link |
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| CN (1) | CN201055914Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342601B (en) * | 2007-07-13 | 2010-05-19 | 天水星火机床有限责任公司 | NC-plain compatible lathe with multiple operation modes |
| CN103376773A (en) * | 2012-04-16 | 2013-10-30 | 大连数控技术研究院 | Method and device for controlling feed per revolution |
-
2007
- 2007-07-13 CN CNU2007200323592U patent/CN201055914Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342601B (en) * | 2007-07-13 | 2010-05-19 | 天水星火机床有限责任公司 | NC-plain compatible lathe with multiple operation modes |
| CN103376773A (en) * | 2012-04-16 | 2013-10-30 | 大连数控技术研究院 | Method and device for controlling feed per revolution |
| CN103376773B (en) * | 2012-04-16 | 2017-08-08 | 科德数控股份有限公司 | A kind of control method and equipment of control feed of every rotation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080507 Effective date of abandoning: 20070713 |