CN102240924A - Machine tool numerical control technique for gear milling machine - Google Patents
Machine tool numerical control technique for gear milling machine Download PDFInfo
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- CN102240924A CN102240924A CN2011100946876A CN201110094687A CN102240924A CN 102240924 A CN102240924 A CN 102240924A CN 2011100946876 A CN2011100946876 A CN 2011100946876A CN 201110094687 A CN201110094687 A CN 201110094687A CN 102240924 A CN102240924 A CN 102240924A
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Abstract
The invention relates to a machine tool numerical control technique for a gear milling machine. The machine tool numerical control technique is characterized in that a numerical control system, a feeding servo system, a detection element, a mechanical transmission part and a linear rolling guide pair are utilized. When the gear milling machine is used for cutting a gear, three related continuous rotary motions exist. Under the action of cradle rotation (namely, feeding motion), additional motion is generated by a plane shaping gear on the basis of the rotary cutting motion of a milling cutter, the corresponding additional motion (differential motion) is generated on the basis of the original rotary tooth-grading motion of a workpiece, and a required tooth profile is formed under the action of the rolling cutting motion. The machine tool numerical control technique for the gear milling machine has the characteristics of wide processing scope, high precision, simplicity in operation, high production efficiency and high degree of automation.
Description
Technical field
The present invention relates to a kind of Numeric Control Technology, in particular, relate to a kind of numerical control of machine tools technology of mill teeth machine.
Background technology
The present invention relates to a kind of numerical control of machine tools technology of mill teeth machine.When H1-003 extension epicycloid bevel gear mill teeth the machine that existing machine tool plant produces can be processed maximum diameter of workpiece 110 mm, the number of teeth 5～80, the Equal-Height Spiral Bevel Gear of modulus 0.3-1.5 mm (extending the epicycloid bevel gear).This lathe exists significantly not enough: 1. poor rigidity.Though this lathe can be processed the gear of maximum diameter of workpiece 110 mm, in fact when processing diameter of work near or reach 110 mm, machine vibration is very big, the gear teeth face roughness that processes is poor, working (machining) efficiency is low.2. the range of work is narrow.When the gear number of teeth during, can not process less than 5 teeth; When the gear number of teeth during more than or equal to 5 teeth and near 5 teeth, because a pair of worm couple rotating speed of lathe inside is very high, near the highest warning rotating speed of Machine Tool design, the lathe wearing and tearing are very serious.Continuous this gear of processing, less than half a year lathe just need overhaul even scrap.3. it is difficult to repair.The machine tool structure complexity, the transmission chain length is repaired and is used duration, and overhaul cost height, and precision obviously descends after the overhaul.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the invention provides a kind of numerical control of machine tools technology of mill teeth machine.
The present invention is the existing technical scheme that technical problem adopted of solution: the numerical control of machine tools technology comprises digital control system, the feed servo system, and detecting element, mechanical transmission component and straight-line rolling are led and are held pair.
⑴ digital control system
Digital control system is the maincenter of Digit Control Machine Tool, and it accepts the pulse information that input unit is sent here, compiles, after computing and the logical process, exports various information and instruction, the various piece of control lathe, the orderly action of stipulating;
⑵ feed servo system
On Digit Control Machine Tool, select variable reluctance stepping motor, hybrid type stepping motor, DC servo-motor or AC servomotor for use by different requirements usually;
⑶ detecting element
The effect of detecting element is the actual value that detects displacement and speed, and sends feedback signal to numerical control device or servomechanism installation, thereby constitutes closed-loop control;
⑷ mechanical transmission component
Relying on mechanical part to carry out transmission transmits;
⑸ straight-line rolling is led and is held pair
Straight-line rolling guide set can make the parts (as saddle) of lathe carry out linear reciprocating motion;
Operation principle of the present invention is: the cutting of mill teeth machine adds and has 3 rotatablely moving continuously of being associated man-hour: 1. facing cutter rotary cutting motion; 2. the rotation of workpiece (wheel blank) divides the tooth motion; 3. the lathe cage chair is with respect to the generating motion of workpiece.
Because rotating (being feed motion), cage chair make plane-shaped gear production on the basis of facing cutter rotary cutting motion, produce additional movement, the rotation of workpiece divides the tooth motion to produce corresponding additional movement (differential) on the basis of original motion like this, forms needed profile of tooth by this rolling cut motion.
The remarkable beneficial effect that the present invention has is:
1) do not had the worm couple of high speed rotating in the lathe through transforming, the processing number of teeth less than 5 teeth, equal 5 teeth or during near the gear of 5 teeth, the main wear phenomenon of this of former lathe disappears, this is very favourable to the precision that keeps improved mill teeth machine.
2) numerical control transformation is adopted in design, makes it more former mill teeth machine internal structure and simplifies greatly, and driving-chain shortens greatly, has strengthened rigidity, has enlarged the range of work, has improved precision, and the accent machine is convenient, and is simple to operate, improved productivity ratio.
3) creatively adopt CNC system for lathe and self-programmed software to greatly reduce improvement cost, set up the intellectual property of oneself, and make things convenient for the user to use.
4) further perfect as digital control system and software are done, also can make the berth move mode of lathe realize automation.
The specific embodiment
The present invention is the existing technical scheme that technical problem adopted of solution: the numerical control of machine tools technology comprises digital control system, the feed servo system, and detecting element, mechanical transmission component and straight-line rolling are led and are held pair.
⑴ digital control system
Digital control system is the maincenter of Digit Control Machine Tool, and it accepts the pulse information that input unit is sent here, compiles, after computing and the logical process, exports various information and instruction, the various piece of control lathe, the orderly action of stipulating;
⑵ feed servo system
On Digit Control Machine Tool, select variable reluctance stepping motor, hybrid type stepping motor, DC servo-motor or AC servomotor for use by different requirements usually;
⑶ detecting element
The effect of detecting element is the actual value that detects displacement and speed, and sends feedback signal to numerical control device or servomechanism installation, thereby constitutes closed-loop control;
⑷ mechanical transmission component
Relying on mechanical part to carry out transmission transmits;
⑸ straight-line rolling is led and is held pair
Straight-line rolling guide set can make the parts (as saddle) of lathe carry out linear reciprocating motion;
Operation principle of the present invention is: the cutting of mill teeth machine adds and has 3 rotatablely moving continuously of being associated man-hour: 1. facing cutter rotary cutting motion; 2. the rotation of workpiece (wheel blank) divides the tooth motion; 3. the lathe cage chair is with respect to the generating motion of workpiece.
Because rotating (being feed motion), cage chair make plane-shaped gear production on the basis of facing cutter rotary cutting motion, produce additional movement, the rotation of workpiece divides the tooth motion to produce corresponding additional movement (differential) on the basis of original motion like this, forms needed profile of tooth by this rolling cut motion.
Claims (1)
1. the numerical control of machine tools technology of a mill teeth machine is characterized in that the numerical control of machine tools technology comprises digital control system, the feed servo system, and detecting element, mechanical transmission component and straight-line rolling are led and are held pair;
⑴ digital control system
Digital control system is the maincenter of Digit Control Machine Tool, and it accepts the pulse information that input unit is sent here, compiles, after computing and the logical process, exports various information and instruction, the various piece of control lathe, the orderly action of stipulating;
⑵ feed servo system
On Digit Control Machine Tool, select variable reluctance stepping motor, hybrid type stepping motor, DC servo-motor or AC servomotor for use by different requirements usually;
⑶ detecting element
The effect of detecting element is the actual value that detects displacement and speed, and sends feedback signal to numerical control device or servomechanism installation, thereby constitutes closed-loop control;
⑷ mechanical transmission component
Relying on mechanical part to carry out transmission transmits;
⑸ straight-line rolling is led and is held pair
Straight-line rolling guide set can make the parts (as saddle) of lathe carry out linear reciprocating motion;
Operation principle of the present invention is: the cutting of mill teeth machine adds and has 3 rotatablely moving continuously of being associated man-hour: 1. facing cutter rotary cutting motion; 2. the rotation of workpiece (wheel blank) divides the tooth motion; 3. the lathe cage chair is with respect to the generating motion of workpiece;
Because rotating (being feed motion), cage chair make plane-shaped gear production on the basis of facing cutter rotary cutting motion, produce additional movement, the rotation of workpiece divides the tooth motion to produce corresponding additional movement (differential) on the basis of original motion like this, forms needed profile of tooth by this rolling cut motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100946876A CN102240924A (en) | 2011-04-15 | 2011-04-15 | Machine tool numerical control technique for gear milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100946876A CN102240924A (en) | 2011-04-15 | 2011-04-15 | Machine tool numerical control technique for gear milling machine |
Publications (1)
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| CN102240924A true CN102240924A (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100946876A Pending CN102240924A (en) | 2011-04-15 | 2011-04-15 | Machine tool numerical control technique for gear milling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354067A (en) * | 2014-11-11 | 2015-02-18 | 深圳市京田精密五金有限公司 | Control circuit for gear milling mechanism and control method thereof |
| CN106270809A (en) * | 2016-08-31 | 2017-01-04 | 佛山市迈雷特数控技术有限公司 | A kind of numerical control system of spiral bevel gear machine tool and control method |
-
2011
- 2011-04-15 CN CN2011100946876A patent/CN102240924A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354067A (en) * | 2014-11-11 | 2015-02-18 | 深圳市京田精密五金有限公司 | Control circuit for gear milling mechanism and control method thereof |
| CN106270809A (en) * | 2016-08-31 | 2017-01-04 | 佛山市迈雷特数控技术有限公司 | A kind of numerical control system of spiral bevel gear machine tool and control method |
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Application publication date: 20111116 |