CN106342090B - The manufacture method of accurate ball bearing retainer - Google Patents
The manufacture method of accurate ball bearing retainerInfo
- Publication number
- CN106342090B CN106342090B CN200610056610.9A CN200610056610A CN106342090B CN 106342090 B CN106342090 B CN 106342090B CN 200610056610 A CN200610056610 A CN 200610056610A CN 106342090 B CN106342090 B CN 106342090B
- Authority
- CN
- China
- Prior art keywords
- retainer
- raw material
- blank
- hours
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention belongs to bearing manufacturing technology, relate to the manufacture method of the accurate ball bearing of a kind of reference platform flexible gyroscope motor. The processing step of retainer of the present invention is as follows: select raw material, and--------compressing----cold cycling treatment--machining--is cleaned immersion oil to sintering to batching in charging in pretreatment of raw material. The present invention can solve under high and low temperature condition that gyro machine bearing operation noise is large, synchronizing current changes greatly, bearing installation batch qualification rate is low, the retainer difficult problem such as unstable of moving under low temperature, is adapted at reaching under the condition of 100 DEG C (+60 DEG C～-40 DEG C) and using without attemperating unit, variation of ambient temperature.
Description
Technical field
The invention belongs to bearing manufacturing technology, relate to the accurate ball of a kind of reference platform flexible gyroscope motorThe manufacture method of bearing.
Background technology
China's gyro machine bearing technology is to grow up on the basis of developing voluntarily substantially, on the gyro machine with attemperating unit, obtain good application. But, also do not haveBe adapted at reaching under the condition of 100 DEG C (+60 DEG C～-40 DEG C) and making without attemperating unit, variation of ambient temperatureWith gyro machine bearing, existing bearing under these conditions in use procedure ubiquity lowThe problems such as the large and installation qualification rate of temperature unstable properties, noise is low, installation qualification rate is only below 20%,Can not meet the instructions for use of main frame. Therefore, gyro machine retainer becomes affects gyro electricityThe principal element of machine performance.
Summary of the invention
The object of the invention is: propose one and can solve gyro machine bearing fortune under high and low temperature conditionTurn that noise is large, synchronizing current changes greatly, bearing installation batch qualification rate is low, retainer is transported under low temperatureThe manufacture method of the accurate ball bearing retainer of gyro machine of the moving difficult problem such as unstable, thus top improvedThe performance of spiral shell motor, meets the requirement of national high newly built construction to bearing.
Technical scheme of the present invention is: the manufacture method of accurate ball bearing retainer, it is characterized in that,Its step is as follows:
1, select raw material; Determine granularity >=120 order, the logarithmic viscosity number >=120ml/g of polyimidesAnd apparent density >=0.35g/cm3If raw material index reaches requirement and determines use this batchBatch quantity >=10kg, stablizes raw-material performance with this;
2, pretreatment of raw material; Polyimides, polytetrafluoroethylene (PTFE) and tungsten disulfide powder are crossed to 100～150 mesh sieves, remove the larger raw material of particle diameter, use the hot-air seasoning of 120 DEG C ± 2 DEG C, goExcept moisture content;
3, batching; The material prescription of accurate ball bearing retainer is as follows: tungsten disulfide: account for material total2～8% of weight; Polytetrafluoroethylene (PTFE): account for 30～40% of material gross weight; Surplus is polyimides;By weight accurately taking various raw material, in high-speed mixer, be uniformly mixed 3～5 times, each10～20 seconds, then compound is used to mortar porphyrize, grind 10～15 minutes, use 20 power microscopesIt is qualified that observation is without obvious irregular phenomenon, is loaded in drying receptacle for subsequent use;
4, charging; Accurately take in the die cavity that compound evenly packs retainer blank compacting tool set into,Then matched moulds;
5, compressing; The first overcoat at mould pad pad, then with forcing press to mould pressurizing,First pressing 30～50MPa, is pressurized to 40～60MPa after removal pad again, and 2～3 points of kinds of pressurize are de-After mould, retainer blank blank is placed in metal tray;
6, sintering; Retainer blank blank is placed in sintering furnace and is heated up with 4～6 DEG C of speed per minuteTo 327 ± 10 DEG C, be incubated 10～20 minutes, then be warmed up to 370 ± 10 DEG C, be incubated 30～60 pointsZhong Hou, takes out after naturally cooling to room temperature;
7, cold cycling treatment; Retainer blank blank is carried out to cold cycling treatment, and heat treatment is100～120 DEG C, be incubated 3～5 hours; Cold treatment is-50～-60 DEG C, is incubated 3～5 hours; FollowEncircle 2～3 times;
8, machining; Process retainer finished product according to design drawing, remove burr;
9, clean; Clean retainer, in apparatus,Soxhlet's, with benzinum cleaning 20～30 hours;In ultrasonic container, with benzinum cleaning 2～5 minutes;
10, immersion oil; Retainer is carried out to immersion oil processing, cleaned retainer is put into Vaccum PermeatingOil vacuumizes and be dried in device, and then immersion oil 3～6 hours, stops vacuumizing, and pours air, oftenUnder temperature, in oil, place 10～15 hours, finally remove surperficial oil slick, after packaging, be stored in clean dryDry place.
Advantage of the present invention is: can solve under high and low temperature condition gyro machine bearing operation noise large,Synchronizing current changes greatly, bearing installation batch qualification rate is low, retainer moves unstable etc. under low temperatureA difficult problem, is adapted at reaching without attemperating unit, variation of ambient temperature the bar of 100 DEG C (+60 DEG C～-40 DEG C)Under part, use, thereby improved the performance of gyro motor, meet national high newly built construction wanting bearingAsk. Due to the raising of gyro machine bearing performance, the installation qualification rate of gyro machine is obtained significantlyThe raising of degree, installation qualification rate brings up to 65% by 20%, has improved 45%.
Detailed description of the invention
Below the present invention is described in further details. After the applying working condition of bearing is determined, withThe retainer material matching also thereupon determine. The bearing using under high and low temperature environment existsVery large operating temperature difference, variations in temperature changes oil body, retainer is inhaled and released profitThe ability of lubricating oil changes, and requires the performance of retainer material to have larger adaptability, and micropore dividesThe wider material of cloth could meet this functional requirement, and result of study proves, suitable pore radiusAnd wider distributed area is the objective requirement of high low temperature gyroscope bearing retainer. Retainer can like thisTo form reliable lubricating status on different temperature spots, realize bearing performance.
It is as follows that the present invention manufactures the material prescription of accurate ball bearing retainer: tungsten disulfide: account for material2～8% of gross weight; Polytetrafluoroethylene (PTFE): account for 30～40% of material gross weight; Surplus is polyamides AsiaAmine.
This kind of material outstanding feature is: crisscross, the interconnected perforation of internal capillary, this is oil circulationPassage is provided, has ensured oily circulation, this retainer is not only the moving link of bearing, is againThe carrier of lubricating oil, bearing itself has formed motion---lubricated independent completion system. And thisThe serviceability temperature wide ranges of planting material, ageing-resistant, radiation hardness, has certain self lubricity, oneInferior immersion oil, without fueller, has long-life, high accuracy, high reliability, is a kind of developmentThe new material that prospect is very wide.
Adopt above-mentioned material to manufacture the method for accurate ball bearing retainer, it is characterized in that its stepAs follows:
1, select raw material; Determine granularity >=120 order, the logarithmic viscosity number >=120ml/g of polyimidesAnd apparent density >=0.35g/cm3If raw material index reaches requirement and determines use this batchBatch quantity >=10kg, stablizes raw-material performance with this;
2, pretreatment of raw material; Polyimides, polytetrafluoroethylene (PTFE) and tungsten disulfide powder are crossed to 100～150 mesh sieves, remove the larger raw material of particle diameter, use the hot-air seasoning of 120 DEG C ± 2 DEG C, goExcept moisture content;
3, batching; By weight accurately taking various raw material, in high-speed mixer, be uniformly mixed3～5 times, each 10～20 seconds, then compound is used to mortar porphyrize, grind 10～15 minutes, makeIt is qualified to be without obvious irregular phenomenon with 20 power microscopes observations, is loaded in drying receptacle for subsequent use;
4, charging; Accurately take in the die cavity that compound evenly packs retainer blank compacting tool set into,Then matched moulds;
5, compressing; The first overcoat at mould pad pad, then with forcing press to mould pressurizing,First pressing 30～50MPa, is pressurized to 40-60MPa after removal pad again, and 2～3 points of kinds of pressurize are de-After mould, retainer blank blank is placed in metal tray;
6, sintering; Retainer blank blank is placed in sintering furnace and is heated up with 4～6 DEG C of speed per minuteTo 327 ± 10 DEG C, be incubated 10～20 minutes, then be warmed up to 370 ± 10 DEG C, be incubated 30～60 pointsZhong Hou, takes out after naturally cooling to room temperature;
7, cold cycling treatment; Retainer blank blank is carried out to cold cycling treatment, and heat treatment is100～120 DEG C, be incubated 3～5 hours; Cold treatment is-50～-60 DEG C, is incubated 3～5 hours; FollowEncircle 2～3 times;
8, machining; Process retainer finished product according to design drawing, remove burr;
9, clean; Clean retainer, in apparatus,Soxhlet's, with benzinum cleaning 20～30 hours;In ultrasonic container, with benzinum cleaning 2～5 minutes;
10, immersion oil; Retainer is carried out to immersion oil processing, cleaned retainer is put into vacuum oil immersionIn device, vacuumize and be dried, and then immersion oil 3～6 hours, stop vacuumizing, pour air, normal temperatureUnder oil in placement 10～15 hours, finally remove surperficial oil slick, after packaging, be stored in clean driedPlace.
Embodiment
The first embodiment:
High and low temperature motor in strapdown vertical reference platform flexible gyroscope motor in certain emphasis modelWith accurate ball bearing retainer material;
1, select raw material; The granularity of polyimides is 150 orders, and logarithmic viscosity number is 135ml/g,And apparent density is 0.38g/cm3, determine the raw material batch that can reach this index;
2, pretreatment of raw material; Polytetrafluoroethylene (PTFE) and tungsten disulfide powder are crossed to 100 mesh sieves, then makeWith the hot-air seasoning of 120 DEG C ± 2 DEG C, remove moisture content;
3, batching; By weight accurately taking various raw material, in high-speed mixer, be uniformly mixed4 times, each 15 seconds, then compound is used to mortar porphyrize, grind 15 minutes, use twentyfoldIt is qualified that microscopic examination is without obvious non-uniform phenomenon, is loaded in drying receptacle for subsequent use;
4, charging; Accurately take in the die cavity that compound evenly packs retainer blank compacting tool set into, soRear matched moulds;
5, compressing; The first overcoat at mould pad pad, then with forcing press to mould pressurizing,First pressing 45MPa, removes after pad and is pressurized to 55MPa again, pressurize 2 minutes, after the demoulding by retainerBlank blank is placed in metal tray;
6, sintering; Retainer blank is placed in sintering furnace and is warmed up to 4～6 DEG C of speed per minute327 ± 5 DEG C, be incubated 10 minutes, then be warmed up to 368 ± 5 DEG C, be incubated after 30 minutes, naturally coldBut after room temperature, take out;
7, cold cycling treatment; Retainer blank blank is carried out to cold cycling treatment, and heat treatment is120 DEG C, be incubated 3 hours; Cold treatment is-60 DEG C, is incubated 3 hours; Circulate 3 times;
8, machining; Process retainer finished product according to design drawing, remove burr;
9, clean; Clean retainer, in apparatus,Soxhlet's, with benzinum cleaning 24 hours; SuperIn sound wave container, with benzinum cleaning 5 minutes;
10, immersion oil; Retainer is carried out to immersion oil processing, cleaned retainer is put into vacuum oil immersionIn device, vacuumize and be dried, and then immersion oil 6 hours, stop vacuumizing, pour air, under normal temperatureIn oil, place 14 hours, finally remove surperficial oil slick, survey oil content, after packaging, be stored in cleaningDry place.
The second embodiment
Certain is accurate ball bearing retainer material for landsat gyro motor motor;
1, select raw material; Determine the logarithmic viscosity number 130ml/g of polyimides, apparent density
0.35g/cm3
2, first pressing 40MPa, is pressurized to 55MPa after removal pad;
The 3rd embodiment
Certain is accurate ball bearing retainer material for warship liquid floated gyroscope motor;
1, first pressing 45MPa, is pressurized to 60MPa after removal pad;
Utilize retainer that the inventive method manufactures successfully for the strapdown of certain emphasis modelThe accurate ball bearing of high and low temperature gyro machine in formula vertical reference platform flexible gyroscope motor. ThisMotor is owing to having rotating speed high (20000 revs/min), performance requirement harshness (within the scope of 100 DEG C of the temperature differenceGyro machine curent change can not be greater than 1%), there is the performance requirement of high and low temperature, bearing simultaneouslyCan need to take into account 60 DEG C of high temperature and low temperature-40 DEG C, gyro machine under-40 DEG C of conditions, curent changeScope is not more than 5mA. Retainer of the present invention has met the high and low temperature performance of main frame completely to be wantedAsk and other property indices, and improved significantly main frame installation qualification rate.
Claims (1)
1. the manufacture method of accurate ball bearing retainer, is characterized in that, its step is as follows:
1.1, select raw material; Determine granularity >=120 order, logarithmic viscosity number of polyimides >=120ml/g and apparent density >=0.35g/cm3If raw material index reaches requirement and determines and useThis batch, one batch quantity >=10kg, stablizes raw-material performance with this;
1.2, pretreatment of raw material; Polyimides, polytetrafluoroethylene (PTFE) and tungsten disulfide powder are crossed to 100～150 mesh sieves, remove the larger raw material of particle diameter, use the hot-air seasoning of 120 DEG C ± 2 DEG C, goExcept moisture content;
1.3, batching; The material prescription of accurate ball bearing retainer is as follows: tungsten disulfide: account for material2～8% of gross weight; Polytetrafluoroethylene (PTFE): account for 30～40% of material gross weight; Surplus is polyamides AsiaAmine; By weight accurately taking various raw material, in high-speed mixer, be uniformly mixed 3～5 times,Each 10～20 seconds, then compound is used to mortar porphyrize, grind 10～15 minutes, use 20 timesIt is qualified that microscopic examination is without obvious irregular phenomenon, is loaded in drying receptacle for subsequent use;
1.4, charging; Accurately take in the die cavity that compound evenly packs retainer blank compacting tool set into,Then matched moulds;
1.5, compressing; First the overcoat at mould pad pad, then adds to mould with forcing pressPress, first pressing 30～50MPa, is pressurized to 40～60MPa after removal pad again, 2～3 points of kinds of pressurize,After the demoulding, retainer blank blank is placed in metal tray;
1.6, sintering; Retainer blank blank is placed in sintering furnace with 4～6 DEG C of speed liters per minuteTemperature, to 327 ± 10 DEG C, is incubated 10～20 minutes, then is warmed up to 370 ± 10 DEG C, insulation 30～60After minute, take out after naturally cooling to room temperature;
1.7, cold cycling treatment; Retainer blank blank is carried out to cold cycling treatment, heat treatmentBe 100～120 DEG C, be incubated 3～5 hours; Cold treatment is-50～-60 DEG C, is incubated 3～5 hours;Circulate 2～3 times;
1.8, machining; Process retainer finished product according to design drawing, remove burr;
1.9, clean; Clean retainer, in apparatus,Soxhlet's, little with benzinum cleaning 20～30Time; In ultrasonic container, with benzinum cleaning 2～5 minutes;
1.10, immersion oil; Retainer is carried out to immersion oil processing, cleaned retainer is put into vacuumIn device for soaking oil, vacuumize and be dried, and then immersion oil 3～6 hours, stop vacuumizing, pour air,Under normal temperature, in oil, place 10～15 hours, finally remove surperficial oil slick, after packaging, be stored in cleaningDry place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610056610.9A CN106342090C (en) | 2006-08-16 | 2006-08-16 | Manufacturing method of precision ball bearing cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610056610.9A CN106342090C (en) | 2006-08-16 | 2006-08-16 | Manufacturing method of precision ball bearing cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106342090B true CN106342090B (en) | 2010-02-17 |
| CN106342090C CN106342090C (en) | 2010-02-17 |
Family
ID=57797869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610056610.9A Expired - Fee Related CN106342090C (en) | 2006-08-16 | 2006-08-16 | Manufacturing method of precision ball bearing cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106342090C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808114A (en) * | 2018-12-29 | 2019-05-28 | 洛阳轴承研究所有限公司 | A kind of bearing holder material and preparation method thereof, bearing retainer and preparation method thereof |
| CN114393371A (en) * | 2021-10-30 | 2022-04-26 | 张华� | Novel process for keeper |
| CN114939939A (en) * | 2022-04-15 | 2022-08-26 | 洛阳轴承研究所有限公司 | Lubricating method of porous phenolic bakelite retainer for rolling bearing |
-
2006
- 2006-08-16 CN CN200610056610.9A patent/CN106342090C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808114A (en) * | 2018-12-29 | 2019-05-28 | 洛阳轴承研究所有限公司 | A kind of bearing holder material and preparation method thereof, bearing retainer and preparation method thereof |
| CN109808114B (en) * | 2018-12-29 | 2021-03-09 | 洛阳轴承研究所有限公司 | Preparation method of bearing retainer material and preparation method of bearing retainer |
| CN114393371A (en) * | 2021-10-30 | 2022-04-26 | 张华� | Novel process for keeper |
| CN114939939A (en) * | 2022-04-15 | 2022-08-26 | 洛阳轴承研究所有限公司 | Lubricating method of porous phenolic bakelite retainer for rolling bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106342090B (en) | The manufacture method of accurate ball bearing retainer | |
| CN104297041B (en) | Multifunctional and full-automatic embedding machine for tissue dehydration, positioning and embedding and using method thereof | |
| CN1310697A (en) | Graphitizable foam preform | |
| CN107602111A (en) | A kind of preparation method of porous bio-ceramic | |
| CN108794006A (en) | The preparation method and graphite pot of graphite cooker | |
| CN1961972A (en) | A porous titanium implant body and preparation method thereof | |
| CN206420302U (en) | A kind of curing oven produced for ceramic capacitor | |
| CN108893639A (en) | A kind of short route vacuum hot extrusion prepares big ingot shape SiCP/Al composite material blank method | |
| US10836071B2 (en) | Method for processing a molded tray based on bamboo shavings | |
| CN207793688U (en) | A kind of clothes processing dryer of thermally equivalent | |
| CN113293419B (en) | Uniform drying device for electroplated parts | |
| CN106039420B (en) | Fibrin material and preparation method thereof for cartilage reparation integrated with subchondral bone | |
| CN210679851U (en) | Hot press for producing palm mattress | |
| CN106507713B (en) | Cobalt adjusts rod assembly pellet extrusion forming process and its mould | |
| CN105397654B (en) | A kind of method of emery wheel infiltration system and Infiltration Grinding Wheel | |
| CN114848898B (en) | Artificial bone scaffold manufactured based on 3D printing technology and method | |
| CN101849717A (en) | Process for producing knitted and dipped PU (polyurethane) gloves by using dimethyl sulfoxide | |
| CN113305290B (en) | Manufacturing method of aluminum-based powder metallurgy high-precision oil-retaining bearing | |
| CN113290759A (en) | Forming method of small-size polyimide self-lubricating composite retainer material | |
| CN205325494U (en) | Emery wheel system of infiltrating | |
| CN216080800U (en) | Drying device is used in lotus root piece production | |
| CN207046861U (en) | Fiber mattress automates machine-shaping device | |
| CN111848218A (en) | Semiconductor ceramic assembling and packaging device and using method thereof | |
| CN110453503A (en) | A kind of oil contained self lubrication bearing holder material and preparation method | |
| CN109265122A (en) | It is a kind of using gypsum particle as the processing method of the sachet of carrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DC01 | Secret patent status has been lifted | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20190816 |