CN108176957A - A kind of production technology of noiseless gear - Google Patents
A kind of production technology of noiseless gear Download PDFInfo
- Publication number
- CN108176957A CN108176957A CN201810095262.9A CN201810095262A CN108176957A CN 108176957 A CN108176957 A CN 108176957A CN 201810095262 A CN201810095262 A CN 201810095262A CN 108176957 A CN108176957 A CN 108176957A
- Authority
- CN
- China
- Prior art keywords
- mold
- gear
- gear teeth
- wheel disc
- production technology
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
- F16H2055/065—Moulded gears, e.g. inserts therefor
Abstract
The invention discloses a kind of production technology of noiseless gear, gear includes wheel disc and multiple gear teeth for being set to wheel plate edge, and the production technology of gear includes step is produced by below：It requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, two mold cleans are totally dried afterwards；Iron powder, carbon dust and aluminium powder are sent into electric furnace and carry out melting, obtains molten liquid；Inovulant is added in into molten liquid, and heats raising temperature, is cast respectively into wheel disc mold and gear teeth mold, postcooling is completed in casting, obtains wheel disc semi-finished product and multiple gear teeth semi-finished product；By wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, wheel disc and multiple gear teeth are obtained；Multiple gear teeth are respectively welded on the corresponding position of wheel plate edge by precision resistance welder, gear finished product is obtained after cooling.The wearability of the gear of the present invention is good, hardness is high, service life is long, high precision machining.
Description
Technical field
The present invention relates to hulling machine technical fields, and in particular to a kind of production technology of noiseless gear.
Background technology
Common husking machine equipment has rubber roll husker, disk husker emery sheller and centrifugal husker etc., wherein, rubber roll husker
Main working parts are that a pair on cast iron cylinder bonds or be set with the horizontal rubber roller of glue-line or plastics roller, two roll axis
It is located in the same horizontal plane or slightly difference in height, is rotated in opposite directions with different rotating speeds, wherein the position of a roller is fixed, another roller can
With movement, make the roll clearance between two rollers adjustable, between paddy equably feeds two rollers through dropping down plate in rubber roller overall length, isometrical roller with
Different linear speeds inversely turn round, and make to be squeezed by the paddy between roller by the pressure of pressure and stranding is torn, due to by two rollers
Extruding and the tearing effect of stranding that is generated by two roller speed differences, most paddy achieve the purpose that shelling, into husk separation dress
It puts, then rice husk is absorbed through inlet scoop, after mixture of paddy and husked rice is detached with rice husk, mixture of paddy and husked rice drops down plate discharge, roll clearance tune from discharging
Section mechanism has level pressure to adjust and spacing two classes of adjusting.Traditional hulling machine is big with operating noise in the presence of cannot process comprehensively with gear
The shortcomings that, therefore, it is necessary to improve the production technology of hulling machine gear.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of wearability of gear obtained is good, hard
Degree is high, service life is long, the production technology of high precision machining noiseless gear.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of production technology of noiseless gear, gear include wheel disc and multiple gear teeth for being set to wheel plate edge, the life of gear
Production. art includes step is produced by below：
S1, it requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, and two mold cleans are clean
After dry, be subsequently cooled to room temperature；
S2, melting will be carried out in iron powder, carbon dust and aluminium powder feeding electric furnace, obtains molten liquid；
S3, inovulant is added in into molten liquid, and heats raising temperature, cast respectively into wheel disc mold and gear teeth mold, poured
Postcooling is completed in casting, obtains wheel disc semi-finished product and multiple gear teeth semi-finished product；
S4, by wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, obtain wheel disc and multiple gear teeth；
S5, multiple gear teeth are respectively welded on the corresponding position of wheel plate edge by precision resistance welder, tooth is obtained after cooling
Take turns finished product.
Preferably, in abovementioned steps S2, the mass ratio of iron powder, carbon dust and aluminium powder is（5~9）：（2~5）：（1~3）.
More preferably, in abovementioned steps S2, smelting temperature is 1300 ~ 1500 DEG C, and smelting time is 3.5 ~ 4.5h, and heating is fast
Rate is 60 ~ 70 DEG C/min.
It is highly preferred that in above mentioned steps S3, the heating temperature of molten liquid is 1680 ~ 1750 DEG C, and 1.5 ~ 2h is stood after heating.
It is further preferred that in above mentioned steps S3, the type of cooling is air-cooled or water cooling, and temperature is 368 ~ 412 DEG C after cooling.
Specifically, in abovementioned steps S5, the welding temperature of precision resistance welder is 950 ~ 1060 DEG C, weld interval for 2 ~
4min。
Preferably, in abovementioned steps S4, normalized treatment is to raise the temperature to 770 ~ 820 DEG C first, continues 1 ~ 1.5h, then
850 ~ 870 DEG C are warming up to, continues 0.5 ~ 1.5h.
More preferably, in abovementioned steps S4, temper is that temperature is reduced to 380 ~ 410 DEG C first, continue 25 ~
45min, then 480 ~ 520 DEG C are warming up to, continue 1.5 ~ 2h.
It is highly preferred that in abovementioned steps S4, annealing is to cool the temperature to 420 ~ 485 DEG C, continues 1 ~ 2h.
The invention has the beneficial effects that：The production stage of the production technology of the noiseless gear of the present invention is simple, is made
Gear wearability it is good, hardness is high, service life is long, wheel disc and the gear teeth are separated production welds combine composition again
Gear can cause all flank of tooth can be precision ground to be worked into design standard, improve the machining accuracy of gear, so as to reach
To noiseless effect.
Specific embodiment
Make specific introduce to the present invention below in conjunction with specific embodiment.
Embodiment 1
A kind of production technology of noiseless gear, gear include wheel disc and multiple gear teeth for being set to wheel plate edge, the life of gear
Production. art includes step is produced by below：
S1, it requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, and two mold cleans are clean
After dry, be subsequently cooled to room temperature；
S2, melting will be carried out in iron powder, carbon dust and aluminium powder feeding electric furnace, obtains molten liquid, the mass ratio of iron powder, carbon dust and aluminium powder
It is 5：2：1, smelting temperature is 1300 DEG C, smelting time 3.5h, and heating rate is 60 DEG C/min；
S3, inovulant being added in into molten liquid, and heats raising temperature, heating temperature is 1680 DEG C, and 1.5h is stood after heating, point
It does not cast into wheel disc mold and gear teeth mold, water cooled cooling after the completion of casting, temperature is 368 DEG C after cooling, obtains wheel disc
Semi-finished product and multiple gear teeth semi-finished product；
S4, by wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, obtain wheel disc and multiple gear teeth,
Normalized treatment is to raise the temperature to 770 DEG C first, continues 1h, then be warming up to 850 DEG C, continues 0.5h；Temper is first
Temperature is reduced to 380 DEG C, continues 25min, then be warming up to 480 DEG C, continues 1.5h；Annealing is to cool the temperature to 420 DEG C,
Continue 1h；
S5, by precision resistance welder by multiple gear teeth be respectively welded in wheel plate edge corresponding position on, precision resistance welder
Welding temperature for 950 DEG C, weld interval 2min obtains gear finished product after cooling.
Embodiment 2
A kind of production technology of noiseless gear, gear include wheel disc and multiple gear teeth for being set to wheel plate edge, the life of gear
Production. art includes step is produced by below：
S1, it requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, and two mold cleans are clean
After dry, be subsequently cooled to room temperature；
S2, melting will be carried out in iron powder, carbon dust and aluminium powder feeding electric furnace, obtains molten liquid, the mass ratio of iron powder, carbon dust and aluminium powder
It is 9：5：3, smelting temperature is 1500 DEG C, smelting time 4.5h, and heating rate is 70 DEG C/min；
S3, inovulant is added in into molten liquid, and heats raising temperature, heating temperature is 1750 DEG C, and 2h is stood after heating, respectively
In casting to wheel disc mold and gear teeth mold, through air-cooled cooling after casting completion, temperature is 412 DEG C after cooling, obtains wheel disc half
Finished product and multiple gear teeth semi-finished product；
S4, by wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, obtain wheel disc and multiple gear teeth,
Normalized treatment is to raise the temperature to 820 DEG C first, continues 1.5h, then be warming up to 870 DEG C, continues 1.5h；Temper is first
Temperature is first reduced to 410 DEG C, continues 45min, then be warming up to 520 DEG C, continues 2h；Annealing is to cool the temperature to 485 DEG C,
Continue 2h；
S5, by precision resistance welder by multiple gear teeth be respectively welded in wheel plate edge corresponding position on, precision resistance welder
Welding temperature for 1060 DEG C, weld interval 4min obtains gear finished product after cooling.
Embodiment 3
A kind of production technology of noiseless gear, gear include wheel disc and multiple gear teeth for being set to wheel plate edge, the life of gear
Production. art includes step is produced by below：
S1, it requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, and two mold cleans are clean
After dry, be subsequently cooled to room temperature；
S2, melting will be carried out in iron powder, carbon dust and aluminium powder feeding electric furnace, obtains molten liquid, the mass ratio of iron powder, carbon dust and aluminium powder
It is 7：3：2, smelting temperature is 1400 DEG C, smelting time 4h, and heating rate is 65 DEG C/min；
S3, inovulant being added in into molten liquid, and heats raising temperature, heating temperature is 1700 DEG C, and 1.8h is stood after heating, point
It does not cast into wheel disc mold and gear teeth mold, water cooled cooling after the completion of casting, temperature is 390 DEG C after cooling, obtains wheel disc
Semi-finished product and multiple gear teeth semi-finished product；
S4, by wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, obtain wheel disc and multiple gear teeth,
Normalized treatment is to raise the temperature to 800 DEG C first, continues 1.2h, then be warming up to 860 DEG C, continues 1h；Temper is first
Temperature is reduced to 400 DEG C, continues 35min, then be warming up to 500 DEG C, continues 1.8h；Annealing is to cool the temperature to 450 DEG C,
Continue 1.5h；
S5, by precision resistance welder by multiple gear teeth be respectively welded in wheel plate edge corresponding position on, precision resistance welder
Welding temperature for 1000 DEG C, weld interval 3min obtains gear finished product after cooling.
By performance detection it is found that the noise of gear obtained is at 45 decibels in embodiment 1, embodiment 2 and embodiment 3
Hereinafter, the noise of common commercially available gear is at 60 decibels or more.
The production stage of the production technology of the noiseless gear of the present invention is simple, and the wearability of gear obtained is good, hardness
Height, service life are long, and wheel disc and the gear teeth are separated to produce to weld again to combine composition gear, can cause all flank of tooth
It can be precision ground and be worked into design standard, improve the machining accuracy of gear, so as to reach noiseless effect.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (9)
1. a kind of production technology of noiseless gear, which is characterized in that gear includes wheel disc and multiple be set to takes turns plate edge
The gear teeth, the production technology of the gear include step is produced by below：
S1, it requires to make mold according to casting dimension, mold includes wheel disc mold and gear teeth mold, and two mold cleans are clean
After dry, be subsequently cooled to room temperature；
S2, melting will be carried out in iron powder, carbon dust and aluminium powder feeding electric furnace, obtains molten liquid；
S3, inovulant is added in into molten liquid, and heats raising temperature, cast respectively into wheel disc mold and gear teeth mold, poured
Postcooling is completed in casting, obtains wheel disc semi-finished product and multiple gear teeth semi-finished product；
S4, by wheel disc semi-finished product and gear teeth semi-finished product respectively through normalizing, tempering and annealing, obtain wheel disc and multiple gear teeth；
S5, multiple gear teeth are respectively welded on the corresponding position of wheel plate edge by precision resistance welder, tooth is obtained after cooling
Take turns finished product.
2. a kind of production technology of noiseless gear according to claim 1, which is characterized in that in the step S2, iron
The mass ratio of powder, carbon dust and aluminium powder is（5~9）：（2~5）：（1~3）.
3. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that in the step S2, melt
It is 1300 ~ 1500 DEG C to refine temperature, and smelting time is 3.5 ~ 4.5h, and heating rate is 60 ~ 70 DEG C/min.
4. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that in the step S3, melt
The heating temperature for melting liquid is 1680 ~ 1750 DEG C, and 1.5 ~ 2h is stood after heating.
5. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that cold in the step S3
But mode is air-cooled or water cooling, and temperature is 368 ~ 412 DEG C after cooling.
6. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that in the step S4, just
Fire processing is to raise the temperature to 770 ~ 820 DEG C first, continues 1 ~ 1.5h, then be warming up to 850 ~ 870 DEG C, continues 0.5 ~ 1.5h.
7. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that in the step S4, return
Fire processing is that temperature is reduced to 380 ~ 410 DEG C first, continues 25 ~ 45min, then be warming up to 480 ~ 520 DEG C, continues 1.5 ~ 2h.
8. the production technology of a kind of noiseless gear according to claim 1, which is characterized in that in the step S4, move back
Fire processing is to cool the temperature to 420 ~ 485 DEG C, continues 1 ~ 2h.
9. a kind of production technology of noiseless gear according to claim 1, which is characterized in that in the step S5, essence
The welding temperature of cipher telegram welding binder is 950 ~ 1060 DEG C, and weld interval is 2 ~ 4min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095262.9A CN108176957A (en) | 2018-01-31 | 2018-01-31 | A kind of production technology of noiseless gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095262.9A CN108176957A (en) | 2018-01-31 | 2018-01-31 | A kind of production technology of noiseless gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108176957A true CN108176957A (en) | 2018-06-19 |
Family
ID=62551779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095262.9A Pending CN108176957A (en) | 2018-01-31 | 2018-01-31 | A kind of production technology of noiseless gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108176957A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673400A (en) * | 2020-06-18 | 2020-09-18 | 苏州伊泰克汽配科技有限公司 | Machining process of automobile seat adjuster gear |
| CN112548505A (en) * | 2020-12-30 | 2021-03-26 | 重庆爵狼摩托车配件有限公司 | Production method of rubber-coated hollow-out type light chain wheel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4402071A1 (en) * | 1994-01-25 | 1995-07-27 | Hastem Mueller Hugo Stefan | Deflection pulley for conveyor belt |
| DE19757186A1 (en) * | 1997-12-22 | 1999-06-24 | Schaeffler Waelzlager Ohg | Manufacturing hollow cylindrical internal and external gears |
| CN1517577A (en) * | 2003-01-13 | 2004-08-04 | 任成林 | Dry running gear wheel and its preparation method |
| CN2709710Y (en) * | 2004-02-19 | 2005-07-13 | 刘运武 | Drive gear capable of changing gear and without noise |
| CN102990315A (en) * | 2012-12-20 | 2013-03-27 | 常熟市大生机械厂 | Preparation method of large gear ring on rotary drum of large concrete mixer |
| CN104986652A (en) * | 2015-05-12 | 2015-10-21 | 日立电梯（广州）自动扶梯有限公司 | Escalator drive sprocket and manufacture method thereof |
| CN105402370A (en) * | 2015-12-18 | 2016-03-16 | 山东昊安金科新材料股份有限公司 | Large gear |
| CN107052729A (en) * | 2017-04-17 | 2017-08-18 | 常州机电职业技术学院 | The processing method of gear |
-
2018
- 2018-01-31 CN CN201810095262.9A patent/CN108176957A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4402071A1 (en) * | 1994-01-25 | 1995-07-27 | Hastem Mueller Hugo Stefan | Deflection pulley for conveyor belt |
| DE19757186A1 (en) * | 1997-12-22 | 1999-06-24 | Schaeffler Waelzlager Ohg | Manufacturing hollow cylindrical internal and external gears |
| WO1999032804A1 (en) * | 1997-12-22 | 1999-07-01 | INA Wälzlager Schaeffler oHG | Production of a toothed hollow cylindrical part |
| CN1517577A (en) * | 2003-01-13 | 2004-08-04 | 任成林 | Dry running gear wheel and its preparation method |
| CN2709710Y (en) * | 2004-02-19 | 2005-07-13 | 刘运武 | Drive gear capable of changing gear and without noise |
| CN102990315A (en) * | 2012-12-20 | 2013-03-27 | 常熟市大生机械厂 | Preparation method of large gear ring on rotary drum of large concrete mixer |
| CN104986652A (en) * | 2015-05-12 | 2015-10-21 | 日立电梯（广州）自动扶梯有限公司 | Escalator drive sprocket and manufacture method thereof |
| CN105402370A (en) * | 2015-12-18 | 2016-03-16 | 山东昊安金科新材料股份有限公司 | Large gear |
| CN107052729A (en) * | 2017-04-17 | 2017-08-18 | 常州机电职业技术学院 | The processing method of gear |
Non-Patent Citations (2)
| Title |
|---|
| 冶金部钢铁研究院炼钢室: "《电渣重熔译文集 1》", 3 September 1975 * |
| 戴礼智: "《金属磁性材料》", 3 May 1973 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673400A (en) * | 2020-06-18 | 2020-09-18 | 苏州伊泰克汽配科技有限公司 | Machining process of automobile seat adjuster gear |
| CN111673400B (en) * | 2020-06-18 | 2022-04-01 | 苏州伊泰克汽配科技有限公司 | Machining process of automobile seat adjuster gear |
| CN112548505A (en) * | 2020-12-30 | 2021-03-26 | 重庆爵狼摩托车配件有限公司 | Production method of rubber-coated hollow-out type light chain wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108176957A (en) | A kind of production technology of noiseless gear | |
| CN104561696B (en) | High ferro 5083 aluminum alloy plate materials and production method thereof | |
| CN106391177A (en) | Rice processing technology capable of reducing broken rice | |
| CN106624659A (en) | Manufacturing technology for automobile wheel steel ring | |
| CN109226323A (en) | A kind of cold rolling heat treatment process of tab copper strips | |
| CN105316520A (en) | Preparation method of Cu-Ni-Sn plate strip | |
| CN103276183A (en) | Heat treatment process for high-speed steel sheet side and face milling cutter | |
| CN108500234A (en) | A kind of manufacturing process of aluminum-alloy wheel | |
| CN108149089A (en) | A kind of preparation of 6D16 aluminum alloy materials hot rolled plate | |
| CN109234654A (en) | A kind of processing technology improving tab copper strips buckling performance | |
| CN102126007B (en) | Method for manufacturing compound blade of agricultural harvester | |
| CN103774024B (en) | Light-high-strength Hardmetal materials and manufacture method thereof | |
| CN110819781B (en) | High-speed steel wire circulation heat treatment method | |
| CN112899529A (en) | Manufacturing method of high-strength aluminum foil for fresh air system | |
| CN105945741B (en) | Wear-resisting type S type emery wheel hot press forming technologies | |
| CN107760920A (en) | A kind of hot copper alloy of high-strength highly-conductive and preparation method thereof | |
| CN105058064B (en) | A kind of method for milling of rolled copper foil red copper strand | |
| CN106755763A (en) | A kind of H13 steels extrusion die high temperature quenching technical | |
| CN105698561A (en) | Baked sesame cooling device and use method thereof | |
| CN107142399B (en) | A kind of aluminium alloy and ultra-wide aluminum alloy plate materials preparation process | |
| CN108130436A (en) | A kind of high-performance pricker welding aluminum alloy manufacturing method | |
| CN113652582A (en) | Special aluminum strip for heating device and processing technology thereof | |
| CN206683358U (en) | A kind of high speed steel wire circulated air drying oven | |
| CN110315056A (en) | A method of avoid the high-carbon Investment Steel Castings cutting mouth of a river from cracking | |
| CN111876666B (en) | Boron microalloyed die steel and preparation process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180619 |