CN101269537A - Process technique for high-rotational speed injection made gear - Google Patents
Process technique for high-rotational speed injection made gear Download PDFInfo
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- CN101269537A CN101269537A CNA2007100995683A CN200710099568A CN101269537A CN 101269537 A CN101269537 A CN 101269537A CN A2007100995683 A CNA2007100995683 A CN A2007100995683A CN 200710099568 A CN200710099568 A CN 200710099568A CN 101269537 A CN101269537 A CN 101269537A
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- gear
- rotational speed
- speed injection
- processing technology
- injection made
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Abstract
The invention relates to the gear processing field, in particular to a processing technology of a high-speed injection gear, sensing devices are arranged in a gear die and a gear forming machine, various data indications in the gear processing procedure are measured and counted in time, and the gear processing procedure is controlled according to the data indications, thereby producing the high-speed injection gear with high precision, low cost, and long service life.
Description
Technical field
The present invention relates to a kind of high class gear processing technology, specifically is a kind of processing technology of high-rotational speed injection made gear.
Background technology
This class of travelling gear seems simple structure member, in fact is a kind of very complicated, and parameters requires very high highly difficult product, in the world, how each specialized factory all for can producing high accuracy, high stability, long and cheap gear of life-span and being stymied by.Under the prior art, the technology in this field still is in the stage that comparatively lags behind.Because it produces all raw materials and to the shortcoming of production process control method, cause that the high gear precision produced is low, service life is short and cost is high.
Summary of the invention
The present invention be directed to above deficiency, provide a kind of control accuracy height, production cost low, can produce high accuracy, high life, the processing technology of the high-rotational speed injection made gear of high-rotational speed injection made gear cheaply.
The technical solution adopted for the present invention to solve the technical problems is:
Unique mould structure design:
1, by mold cavity, go into the exchange combination of son, can produce the high gear of kind of different size surplus in the of 3000.
2, reasonably mould structure has determined injection made gear not go out burr.Particularly die venting is good, has avoided the shot-peening gate location reasonable, and stowing pressure, filling velocity, charging quantity homogeneous, the orientation of flowing are accurate, and gear surface is smooth lubricious.
3, gear module is accurate, and interlock is tight, and noise is little.
4, adopt the high-precision mold adjustment machine of loose well machinery, strict control mold temperature.Make to continuous and effective the gear goods steadily cool off and reach good crystallization effect.
In die design process, flow analysis software prediction analog stream flow speed and direction in importing world advanced person's the system, analyze and flow orientation and in mold cavity, install sensing device additional, the actual detected runner, the cast gate near-end is so that far-end multiple spot data, to determine gate location, count and size, for the manufacturing of volume production mould provides definite theoretical foundation.
The goods dropping structure of gear die is the multiple equilibrium liftout attachment.At first eject action, tentatively determine its parameter with the professional software simulation.Make the experiment mould then, the demoulding liftout attachment by determining gear die after the die trial adjustment repeatedly eject the position, eject and count and distribute the amount of ejecting and intensity thereof.Finally finish fully-automatic production and guarantee that the gear goods do not have any distortion so that its tight cooperation.
Strict appointed condition:
1, the setting of forming temperature parameter is in the temperature range that polyacetol high-performance engineering resin is allowed (170 ℃ ~ 250 ℃), accurately sets each section of cylinder temperature, determines after inching repeatedly in the die trial process.
2, former adopts advanced feedback close loop (closed loop feedback) system to drive mode, the control of resin forming temperature is (± 0.1 ℃) accurately, can effectively suppress resin isolation and go out gas, prevent the resin deterioration of being heated, keep optimal viscosity with mobile, molten resin is filled in the best condition.
3, the ejaculation system of the former system that drives is the how fast multiple pressure control system of multistage, and the position detects accurately, pressure detects etc. has effectively controlled the generation of burr.
4, accurate holding pressure control system has determined the qualified cun method at each position of gear, smooth appearance structure and suppressed the generation of burr.The dwell pressure of reasonably stability and dwell time, resisted gate seal (flow passage system envelope film) rightly, this technology also be can reach better controlled gear shape cun method can effectively suppress the effect of burr again.
5, accurate metering device takes multistage to detect and the auxilliary positive system of deviation, guarantees that every mould plasticization amount of resin deviation is in ± 0.1mm.Particularly Xian Jin unique adverse current prevents structure, has effectively guaranteed the constancy of the injection volume that each action produced of screw rod.This is the stable lasting basic condition of having created of producing in batches of gear goods.
6, high-voltage lock mould mechanism reasonable in design has prevented (70kg/cm under high pressure conditions to greatest extent
2) micro-strain of moving, cover half template of equipment, guaranteed smooth, the tight state of mould all the time.Both having made is link very trickle, and gear burr has also obtained effective control.
7, precise time system is driven system under the cooperation of accurate mold temperature regulating system, has effectively controlled the molding shrinkage of crystallinity engineering resin.Gear shape cun method and perfect outward appearance have been guaranteed consistently.
8, former is in each link of pressure, speed, temperature, time and position very accurately very fast sensory perceptual system to be arranged all.The sensory perceptual system that is separately positioned on each position of equipment comprises the grating chi, pressure sensor, precision such as digital decoder and proximity transducer detects, perception information is passed to computer system quickly and accurately, executes instruction with action by the servomotor that after the operational analysis that is exceedingly fast instruction is sent to high precision, high-speed responsive.This has just been avoided because the equipment instability that extraneous factor (as the fluctuation of voltage) causes, thereby guarantees the uniformity of the accuracy of gear.
Adopt the three-D analyzer of MITUTOYO (three is rich), the gear interlock analyzer of OSAKASEIMTU (Osaka precision), the world advanced persons' such as tool microscope of the laser displacement gauge of KEYENS (Ji Sishi) and NIKO (Nikon) checkout equipment, checking is also monitored gear shape cun method in real time, is cut parameters such as circle, intercept, modulus, directly jumping, face jumping, grade, by the automatic computing of dedicated program and generate conclusion, guarantee that each gear all reaches designing requirement.
Injection made gear can reach 1 grade standard, in highly sophisticated products such as high-accuracy mechanical device, electronic product, self-reacting device, be widely used, and with its accuracy highly, the service life of overlength, good stable, aspects such as the adaptability of environment for use obtain the trust of height.All gear part product have all passed through strict every test.As turn round action noise test, overload strength test, ultra-long time, fatigue test, chemicals erosion test, hot environment deterioration test, impulse withstand test and the high institute of complete machine fall-down test.
The resin raw material of gear has adopted polyacetol high-performance engineering resin, comprising copolymer (copolymer) and homopolymer (polymer separately) two big classes, it is to make the desirable selection of gear that two resinoids all have advantages of good abrasion, self-lubricity, solvent resistance, oil resistivity, hear resistance, load thermal deformation and crystallinity.
The specific embodiment
Be described further below in conjunction with the processing technology of specific embodiment a kind of high-rotational speed injection made gear of the present invention.
A kind of processing technology of high-rotational speed injection made gear may further comprise the steps:
A, with the material fusion;
B, with the material of fusion under the technological parameter that make-up machine is set up, inject Mould Cavity for gears with certain pressure and speed, and in Mould Cavity for gears curing molding;
C, injection moulding machine are opened gear die, and the gear goods are taken off on the top;
It is characterized in that, in described make-up machine and gear die, awareness apparatus is installed, described awareness apparatus comprises grating chi, pressure sensor, digital decoder and proximity transducer, it is connected in outside data analysis set-up, is used for controlling pressure, temperature, speed, time and the position of the temperature and the gear forming process of material fusion;
In the described steps A, described material is chosen the engineering resin raw material, selected 170C ° of melt temperature-250C °;
Among the described step B, described make-up machine adopts closed loop feedback system to drive mode, and resin forming temperature accuracy error is controlled at ± 0.1C °, described pressure and speed are measured after obtain after the data analysis set-up operational analysis by awareness apparatus;
Among the described step C, the sensing device that installs additional in the gear die, actual detected runner, cast gate near-end are so that far-end multiple spot data, to determine gate location, to count and size, described top is taken off the gear goods and is adopted the multiple equilibrium liftout attachment, it ejects the position, eject count and distribute, the amount of ejecting and eject intensity and draw by the professional software simulation.
Above-described embodiment is the more preferably specific embodiment of the present invention, and common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.
Claims (7)
1. the processing technology of a high-rotational speed injection made gear may further comprise the steps:
A, with the material fusion;
B, with the material of fusion under the technological parameter that make-up machine is set up, inject Mould Cavity for gears with certain pressure and speed, and in Mould Cavity for gears curing molding;
C, injection moulding machine are opened gear die, and the gear goods are taken off on the top;
It is characterized in that, in described make-up machine and gear die, awareness apparatus is installed, described awareness apparatus comprises grating chi, pressure sensor, digital decoder and proximity transducer, it is connected in outside data analysis set-up, is used for controlling pressure, temperature, speed, time and the position of the temperature and the gear forming process of material fusion;
In the described steps A, described material is chosen the engineering resin raw material, selected 170C ° of melt temperature-250C °;
Among the described step B, described make-up machine adopts closed loop feedback system to drive mode, and resin forming temperature accuracy error is controlled at ± 0.1C °, described pressure and speed are measured after obtain after the data analysis set-up operational analysis by awareness apparatus;
Among the described step C, the sensing device that installs additional in the gear die, actual detected runner, cast gate near-end are so that far-end multiple spot data, to determine gate location, to count and size, described top is taken off the gear goods and is adopted the multiple equilibrium liftout attachment, it ejects the position, eject count and distribute, the amount of ejecting and eject intensity and draw by the professional software simulation.
2. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, described engineering resin raw material comprises copolymer resin raw material and independent polymer resin raw material.
3. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, described gear die adopts by mold cavity, goes into the exchange combination of son.
4. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, described make-up machine adopts the how fast multiple pressure control system of multistage to carry out closed loop feedback system and drives.
5. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, adopts the size of holding pressure control system control gear moulding.
6. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, the employing multistage detects and the auxilliary positive system of deviation is measured.
7. the processing technology of a kind of high-rotational speed injection made gear according to claim 1 is characterized in that, adopts high-voltage lock mould mechanism to guarantee that mold work is steady.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100995683A CN101269537A (en) | 2007-05-24 | 2007-05-24 | Process technique for high-rotational speed injection made gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100995683A CN101269537A (en) | 2007-05-24 | 2007-05-24 | Process technique for high-rotational speed injection made gear |
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| Publication Number | Publication Date |
|---|---|
| CN101269537A true CN101269537A (en) | 2008-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100995683A Pending CN101269537A (en) | 2007-05-24 | 2007-05-24 | Process technique for high-rotational speed injection made gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237669A (en) * | 2016-12-23 | 2018-07-03 | 恩格尔奥地利有限公司 | For adjusting the method for molding machine |
-
2007
- 2007-05-24 CN CNA2007100995683A patent/CN101269537A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237669A (en) * | 2016-12-23 | 2018-07-03 | 恩格尔奥地利有限公司 | For adjusting the method for molding machine |
| US11000982B2 (en) | 2016-12-23 | 2021-05-11 | Engel Austria Gmbh | Methods of setting a shaping machine |
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Open date: 20080924 |