CN101976054A - Sectional type digital control processing method and control system - Google Patents
Sectional type digital control processing method and control system Download PDFInfo
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- CN101976054A CN101976054A CN 201010298826 CN201010298826A CN101976054A CN 101976054 A CN101976054 A CN 101976054A CN 201010298826 CN201010298826 CN 201010298826 CN 201010298826 A CN201010298826 A CN 201010298826A CN 101976054 A CN101976054 A CN 101976054A
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Abstract
The invention relates to a sectional type digital control processing method. The method comprises the following steps of: dividing a processed workpiece into sections according to geometrical shapes in order, wherein each geometrical shape forms a section; determining five section parameters of length, diameters of a starting end and an ending end, shape, tolerance and surface roughness of each section; processing each section according to the section parameters of each section; and changing complex code conversion or code input into the only input of the five section parameters of each section of the workpiece to ensure easy mastery for technical personnel and solve the problems of strong speciality for writing and converting CNC codes and difficult mastery for the technical personnel. During processing, a reading module, an identification module, a digital control processing program module and a detection module of a control system are used for controlling a digital control machine tool to process the workpiece, the digital control processing through the input of the five section parameters of the workpiece is realized, and the digital control processing with the complex code conversion or the code input is changed into the digital control process with simple section parameter input, so the sectional type digital control processing method is easy to master and operate by the technical personnel.
Description
Technical field
The present invention relates to a kind of numerical-control processing method and control system, relate in particular to a kind of sectional type numerical-control processing method and control system.
Background technology
At present, along with rapid development of economy, the demand of numerical controlled machinery is increasing, processing industries such as machinery, carpenter, stone material are more and more higher to the requirement of machining precision, requirement to working (machining) efficiency is more and more higher, demand to operating personnel is also more and more, and numerically-controlled machine has become the indispensable equipment that enterprise produces.
The digital control system that the numerically-controlled machine industry is generally used is CNC code-type digital control system, CNC code-type digital control system can be used multiple mapping software, the drawing of drawing is converted into the CNC code to be imported in the digital control system, also can work out by hand in the machining code input digital control system, this CNC digital control system versatility is good, be widely used, but this CNC digital control system is strongly professional, generally need train in specialist school, also on duty through practice ability after a while.Because enterprise particularly medium-sized and small enterprises technician lacks, bring difficulty for the operation of existing numerically-controlled machine, especially to type of production enterprise, workpiece processing amount of the same type is little, the time of machining programming is greater than the time of manual processing, even used numerically-controlled machine production efficiency also to be difficult to improve.According to investigating for many years, the technical staff in this main force of private enterprise more than 35 years old is experienced, but learning and mastering CNC is difficult, can use the CNC digital control system after student's graduation of school's numerical control specialty, but not process experience.
Summary of the invention
The technical problem to be solved in the present invention is at above problem, and providing a kind of can become the input of simple each section of workpiece parameter, the sectional type numerical-control processing method and the control system of grasping and operating easily to the code conversion of complexity or code input.
For addressing the above problem, the present invention adopts following technical scheme: a kind of sectional type numerical-control processing method is characterized in that: processing work is carried out segmentation according to order by geometric configuration, and each geometric configuration is one section;
Determine diameter, shape, tolerance and five section parameters of surfaceness of length, initiating terminal and the end end of each section;
Section parameter according to each section is processed successively to each section.
As a kind of prioritization scheme, the size of the diameter of each segment length, initiating terminal and end end determines that by drawings marked or measurement the end end diameter of each section is the initiating terminal diameter of next section.
As a kind of prioritization scheme, the shape of described workpiece comprises cylinder, circular cone, para-curve, end face and circular arc.
A kind of control system is characterized in that: described digital control system comprises with lower module:
Memory module, by the parameter of each section of storage module stores, the parameter of all each sections of a workpiece is formed a processing scheme, and memory module can store some cover processing schemes;
Read module reads in the parameter of each section successively by read module;
Identification module, the shape of each section that read module is read in by identification module is discerned, and the shape with parameter and each section is input to the nc program module then;
The nc program module, the nc program module is according to the parameter and the back as calculated output movement control signal of shape of each section;
Each the machining spindle motion of motion control signal control lathe is processed successively to each section of workpiece;
Whether detection module, detecting by detection module is final stage.
The present invention adopts technique scheme, have the following advantages: the present invention is by carrying out segmentation to workpiece by geometric configuration, determine the length of each section, the diameter of initiating terminal and end end, shape, five section parameters of tolerance and surfaceness, then with the length of each section, the diameter of initiating terminal and end end, shape, tolerance and five section parameters of surfaceness input control system are processed, the code conversion or the code input of complexity are become five section parameters only importing each section of workpiece, the technician grasps easily, solved the establishment of CNC code and change strongly professional, the not wield problem of technician.
Memory module by control system of the present invention can be stored five section parameters of institute's processing work of input, add man-hour, controlling numerically-controlled machine by read module, identification module, nc program module and the detection module of this control system processes workpiece, realized carrying out digital control processing by the input of five section parameters of workpiece, with the code conversion of complexity or the digital control processing of code input, change the digital control processing of simple section parameter input into, be easy to technician's grasp and operation.
Below in conjunction with drawings and Examples the present invention is elaborated.
Description of drawings
Accompanying drawing 1 is the structural representation of institute's processing work in the embodiment of the invention;
Accompanying drawing 2 is work flow block diagrams in the embodiment of the invention.
Among the figure:
The 1-cylindrical section; The 2-conical section; The 3-cylindrical section; The 4-end face; 5-indent parabolic segment; 6-evagination parabolic segment; 7-indent arc section; 8-evagination arc section; The 9-cylindrical section; The 10-end face; The 11-cylindrical section.
Embodiment
Embodiment: a kind of sectional type numerical-control processing method, the concrete steps of this job operation are as follows:
As shown in Figure 1, workpiece is divided into following each section according to order by different geometric configuratioies:
Cylindrical section 1, conical section 2, cylindrical section 3, end face 4, indent parabolic segment 5, evagination parabolic segment 6, indent arc section 7, evagination arc section 8, cylindrical section 9, end face 10 and cylindrical section 11.
Determine diameter, shape, tolerance and five section parameters of surfaceness of length, initiating terminal and the end end of each section.
The size of the diameter of each segment length, initiating terminal and end end is by drawings marked or measure definite, the end end diameter of each section is the initiating terminal diameter of next section, shape determines that according to the geometric configuration of outer workpiece tolerance is determined by consulting mechanical design handbook according to the different processing requests of each section with surfaceness.
The parameter of each section is as shown in the table:
| Sequence number | Length | Diameter | Shape | Tolerance | Roughness |
| 1 | 0 | 120 | Cylindrical section 1 | 0 | 0 |
| 2 | 125 | 120 | Cylindrical section 1 | +0.01，-0.02 | 3.2 |
| 3 | 20 | 160 | Conical section 2 | 0 | 3.2 |
| 4 | 140 | 160 | Cylindrical section 3 | +0.02，+0.01 | 0.8 |
| 5 | 0 | 200 | End face 4 | 0 | 0 |
| 6 | 80 | 270 | Indent parabolic segment 5 | 0 | 6.3 |
| 7 | 85 | 200 | Evagination parabolic segment 6 | 0 | 6.3 |
| 8 | 90 | 300 | Indent arc section 7 | 0 | 6.3 |
| 9 | 90 | 200 | Evagination arc section 8 | 0 | 6.3 |
| 10 | 95 | 200 | Cylindrical section 9 | +0.03，-0.01 | 3.2 |
| 11 | 0 | 160 | End face 10 | 0 | 0 |
| 12 | 200 | 160 | Cylindrical section 11 | +0.03，+0.01 | 1.2 |
Parameter according to each section in the last table is processed by numerically-controlled machine, and numerically-controlled machine adopts centre numerically controlled lathe:
1, cutter positioning moves to the initiating terminal of cylindrical section 1 with cutter, and length is 0, and diameter is 120;
2, the processing column section 1, and length is 125, and diameter is 120, and machining tolerance is+0.01 ,-0.02, and roughness is 3.2;
3, processing conical section 2, length is 20, and diameter changes to 160 by 120, and roughness is 3.2;
4, the processing column section 3, and length is 140, and diameter is 160, and machining tolerance is+0.02 ,+0.01, and roughness is 0.8;
5, withdrawing, length are 0, and diameter falls back on 200 by 160, processing end face 4;
6, processing indent parabolic segment 5, length is 80, diameter changes to 270 by 200, roughness 6.3;
7, processing evagination parabolic segment 6, length is 85, diameter changes to 200 by 270, roughness 6.3;
8, the indent arc section 7, and length is 90, and diameter changes to 300 by 200, roughness 6.3;
9, processing evagination arc section 8, length is 90, diameter changes to 200 by 300, roughness 6.3;
10, the processing column section 9, and length is 95, diameter 200, machining tolerance+0.03 ,-0.01, roughness 3.2;
11, feed, length are 0, and diameter enters 160 by 200, processing end face 10;
12, the processing column section 10, and length is 200, diameter 160, machining tolerance+0.03 ,+0.01, roughness 1.2;
13, cutter resets.
In process, when the length parameter of input is positive number, forward processing, when length parameter was negative, oppositely processing can be set at positive number or negative with length parameter according to the processing needs.
Different processing works has different geometric configuratioies, according to the needs of institute's processing work, determines the shape of each section by the geometric configuration of institute's processing work.
A kind of digital control system comprises memory module, read module, identification module, nc program module and detection module.
By the parameter of each section of storage module stores, the parameter of all each sections of a workpiece is formed a processing scheme, and memory module can store some cover processing schemes;
Read in the parameter of each section successively by read module;
The shape of each section that read module is read in by identification module is discerned, and the shape with parameter and each section is input to the nc program module then;
The nc program module is according to the parameter and the back as calculated output movement control signal of shape of each section;
Each the machining spindle motion of motion control signal control lathe is processed successively to each section of workpiece.
The section parameter of each section is input in the memory module by the display and the keyboard of numerically-controlled machine, perhaps is input in the memory module by USB interface.
With the numerically controlled lathe is example, and numerically controlled lathe comprises X-axis and Z axle, and the computing formula of using in the nc program module comprises following formula:
Straight line: Z=a * X+b
Para-curve: Z=a * X
2+ b
Circular: X
2+ Z
2=R
2
Tolerance: size=dimensioning+(upper deviation+lower deviation) ÷ 2
The computing formula of using in the nc program module also comprises the computing formula of other shapes, can call different computing formula and calculate according to the needs of the shape of the different workpieces of being processed, and this control system also can be used on other numerically-controlled machines.
As shown in Figure 2, the work flow block diagram of control system, the control system job step is as follows:
(1), the parameter of each section is input in the control system by display and keyboard, store by memory module;
(2), start processing;
(3), read in diameter, shape, tolerance and five section parameters of surfaceness of first section length, initiating terminal and the end end of the institute's processing work that stores in the memory module by read module;
(4), first section the parameter of reading in is discerned, determine first section shape of institute's processing work parameter to be transported to the nc program module by the section parameter by identification module;
(5), the nc program module is according to first section shape and parameter transporting, the diameter parameters by length, initiating terminal and end end calculates the curvilinear equation formula:
If first section be shaped as cylindrically, the calculated line equation by incremental computations, is determined the operation functional relation of operation X-axis and Z axle, the output movement control signal;
If first section be shaped as taper shape, calculate the oblique line equation, by incremental computations, determine the operation functional relation of operation X-axis and Z axle, the output movement control signal;
If first section be shaped as is parabola shaped, calculate the parabolic equation formula, by incremental computations, determine the operation functional relation of operation X-axis and Z axle, the output movement control signal;
If first section be shaped as spheroidal, calculate the equation of a circle formula, by incremental computations, determine the operation functional relation of operation X-axis and Z axle, the output movement control signal;
(6), motion control signal flows to servo or step actuator, servo or each machining spindle motion of step actuator control lathe is processed first section of workpiece;
(7), whether detect by detection module be final stage, if not, repeating step (3)～(6) process successively to each section of institute's processing work; If, finishing processing, cutter resets.
Claims (4)
1. sectional type numerical-control processing method is characterized in that: processing work is carried out segmentation according to order by geometric configuration, and each geometric configuration is one section;
Determine diameter, shape, tolerance and five section parameters of surfaceness of length, initiating terminal and the end end of each section;
Section parameter according to each section is processed successively to each section.
2. a kind of sectional type numerical-control processing method as claimed in claim 1 is characterized in that: the size of the diameter of each segment length, initiating terminal and end end determines that by drawings marked or measurement the end end diameter of each section is the initiating terminal diameter of next section.
3. a kind of sectional type numerical-control processing method as claimed in claim 1 or 2, it is characterized in that: the shape of described workpiece comprises cylinder, circular cone, para-curve, end face and circular arc.
4. control system that realizes the described job operation of claim 1, it is characterized in that: described digital control system comprises with lower module:
Memory module, by the parameter of each section of storage module stores, the parameter of all each sections of a workpiece is formed a processing scheme, and memory module can store some cover processing schemes;
Read module reads in the parameter of each section successively by read module;
Identification module, the shape of each section that read module is read in by identification module is discerned, and the shape with parameter and each section is input to the nc program module then;
The nc program module, the nc program module is according to the parameter and the back as calculated output movement control signal of shape of each section;
Each the machining spindle motion of motion control signal control lathe is processed successively to each section of workpiece;
Whether detection module, detecting by detection module is final stage.
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| CN 201010298826 CN101976054A (en) | 2010-10-08 | 2010-10-08 | Sectional type digital control processing method and control system |
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| CN 201010298826 CN101976054A (en) | 2010-10-08 | 2010-10-08 | Sectional type digital control processing method and control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481018A (en) * | 2013-10-10 | 2014-01-01 | 昆山纯柏精密五金有限公司 | Numerical control machining method |
| CN106180756A (en) * | 2016-08-15 | 2016-12-07 | 安徽东风机电科技股份有限公司 | The rough turn technique of one-level body part |
| CN109732103A (en) * | 2018-11-16 | 2019-05-10 | 湖北江山重工有限责任公司 | The method for processing zero lead helix Variable Pitch Screw Bar based on centre numerically controlled lathe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992948A (en) * | 1987-10-14 | 1991-02-12 | Ab Sandvik Coromant | Process for the control of a machine tool |
| CN1743983A (en) * | 2005-08-19 | 2006-03-08 | 四川工程职业技术学院 | Method for working shaft-like workpiece by numerical control lathe and its control device |
| WO2006137120A1 (en) * | 2005-06-20 | 2006-12-28 | Fujitsu Limited | Machining step generation device |
-
2010
- 2010-10-08 CN CN 201010298826 patent/CN101976054A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992948A (en) * | 1987-10-14 | 1991-02-12 | Ab Sandvik Coromant | Process for the control of a machine tool |
| WO2006137120A1 (en) * | 2005-06-20 | 2006-12-28 | Fujitsu Limited | Machining step generation device |
| CN1743983A (en) * | 2005-08-19 | 2006-03-08 | 四川工程职业技术学院 | Method for working shaft-like workpiece by numerical control lathe and its control device |
Non-Patent Citations (1)
| Title |
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| 《郑州轻工业学院学报》 19980930 施键等 轴类零件计算机辅助数控编程系统的设计 40-43 1-4 第13卷, 第3期 2 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481018A (en) * | 2013-10-10 | 2014-01-01 | 昆山纯柏精密五金有限公司 | Numerical control machining method |
| CN106180756A (en) * | 2016-08-15 | 2016-12-07 | 安徽东风机电科技股份有限公司 | The rough turn technique of one-level body part |
| CN109732103A (en) * | 2018-11-16 | 2019-05-10 | 湖北江山重工有限责任公司 | The method for processing zero lead helix Variable Pitch Screw Bar based on centre numerically controlled lathe |
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Application publication date: 20110216 |