CN106349687B - A kind of light wear-resistant metal/nylon compound noise-reducing gear and preparation method thereof - Google Patents
A kind of light wear-resistant metal/nylon compound noise-reducing gear and preparation method thereof Download PDFInfo
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- CN106349687B CN106349687B CN201610760953.7A CN201610760953A CN106349687B CN 106349687 B CN106349687 B CN 106349687B CN 201610760953 A CN201610760953 A CN 201610760953A CN 106349687 B CN106349687 B CN 106349687B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14631—Coating reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- 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
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- 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
- F16H55/17—Toothed wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
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Abstract
A kind of light wear-resistant metal/nylon compound noise-reducing gear and preparation method thereof, the gear is made of three-decker, and internal layer is metal insert, and middle level is glass fiber enhanced nylon, and outer layer is to enhance wear-resisting long carbon chain nylon；It is in concentric teeth colyliform that the internal layer, middle level and outer layer, which successively wrap up, and module is identical, and the tooth form of internal layer, middle level and outer layer is all V teeth or column toothing.The preparation method is that metal insert is first coated metal insert with glass fiber enhanced nylon carries out single injection-molded, then secondary injection molding is carried out with moulding of wear-resisting long carbon chain nylon cladding is enhanced, dry, machining,.Gear quality of the present invention is light, good stability of the dimension, and wearability is good, service life is long, and drive noise is small, excellent anti-corrosion performance, and various performances are all far superior to the same as the alloy steel gear of dimensions；It can be widely used for the fields such as weaving, papermaking, rubber, food, medical treatment, automobile；The method of the present invention is simple for process, and production efficiency is high, at low cost.
Description
Technical field
The present invention relates to a kind of gears and preparation method thereof, and in particular to a kind of light wear-resistant metal/nylon Noise-reducing gear
And preparation method thereof.
Background technology
Transmission gear is the critical component of the equipments such as machinery, automobile.Traditional gear is largely by metal material system
At metal gear has many advantages, such as that intensity height, good stability of the dimension, load capacity are big.But metal gear is big scarce there are five
Point：When it is not corrosion-resistant, second is that additional lubricating oil is needed, third, it is not wear-resisting, fourth, noise is big, fifth, weight is big.Therefore, as spun
The light industry and machinery such as loom tool, papermaking equipment, rubber manufacturing machinery, food machinery, the transportation equipments such as automobile, tractor gradually use Buddhist nun instead
The high molecular materials such as dragon, polyformaldehyde make transmission gear.Although nylon resin has preferable self-lubricity, wear-resistant, low noise, machine
The characteristics such as tool intensity height, still, since the water imbibition of nylon can cause gear size stability poor, be not suitable for essence
Close gear；Although and polyformaldehyde have excellent wearability, mechanical strength is low, be not suitable for heavy duty transmission.With automobile
Lightweight, the propulsion of light industry and machinery damping noise reduction, transmission gear have become inexorable trend to mould Dai Gang.Transmission gear is as transmission
The safety-critical component for equipping stable operation, in addition to more demanding mechanical strength, dimensional stability is driven for reducing
Noise prolongs the service life, and it is highly important technical indicator to reduce equipment failure.
Invention content
The technical problem to be solved by the present invention is to, overcome drawbacks described above of the existing technology, a kind of light weight be provided,
Good stability of the dimension, wearability is good, service life is long, and drive noise is small, light wear-resistant metal/nylon of excellent anti-corrosion performance
Compound noise-reducing gear.
The further technical problems to be solved of the present invention are to overcome drawbacks described above of the existing technology, provide a kind of work
Skill is simple, and production efficiency is high, the preparation method of light wear-resistant metal/nylon compound noise-reducing gear at low cost.
The technical solution adopted by the present invention to solve the technical problems is as follows：A kind of light wear-resistant metal/compound drop of nylon
It makes an uproar gear, is made of three-decker, internal layer is metal insert, and middle level is glass fiber enhanced nylon, and outer layer is to enhance wear-resisting Long carbon chain
Nylon；It is in concentric teeth colyliform that the internal layer, middle level and outer layer, which successively wrap up, module is identical, and internal layer, middle level and outer layer
Tooth form is all V teeth or column toothing.The structure design can reduce the usage amount of metal, to mitigate the weight of gear, wherein interior
Layer can provide the preferable assembly precision of gear, strength and stiffness using metal material, and media layer damage uses glass fiber enhanced nylon, can
Ensure the enough mechanical strength of gear, and outer layer using enhance wear-resisting long carbon nylon can be improved the dimensional stability of gear with it is wear-resisting
Damage property delivers noise to achieve the purpose that reduce gear.The V teeth or column toothing are conducive to glass fiber enhanced nylon and metal
Bond and enhance the bonding between wear-resisting long carbon chain nylon layer and glass fiber enhanced nylon layer.
Preferably, the difference of the tip diameter of the internal layer and gear centre bore dia is addendum circle diameter of gear and gear
The 5~20% of the difference of center-hole diameter.The material selection of the metal insert is cast iron or steel alloy commonly used in the art.
Preferably, the difference of the tip diameter of the tip diameter and internal layer in the middle level is addendum circle diameter of gear and tooth
Take turns the 50~70% of the difference of center-hole diameter.
Preferably, the difference of the tip diameter of the tip diameter and middle level of the outer layer is addendum circle diameter of gear and tooth
Take turns the 10~40% of the difference of center-hole diameter.
The preferred tip diameter of each layer can further enhance the comprehensive performance of gear of the present invention：First layer gold
Belong to the mechanical performance that material can ensure that gear, if ratio is too big, gear weight is overweight, if ratio is too small, intensity declines；In
Interbed selects glass fiber enhanced nylon that can mitigate the overall weight of gear and reduce cost, while can ensure that the intensity of gear again, if
Ratio is too big, then frictional behaviour declines, if ratio is too small, increases gear overall cost；Outer layer, which is selected, enhances wear-resisting Long carbon chain
The frictional behaviour of gear can be improved in nylon, reduction noise increases cost if ratio is too big, if ratio is too small, can shorten makes
Use the service life.
Preferably, the glass fiber enhanced nylon is glass fiber reinforced nylon 6, glass fiber enhanced nylon 66, glass fiber enhanced nylon
612, one or more of glass fiber enhanced nylon 1010, glass fiber enhanced nylon 46 or Glass Fiber Reinforced Nylon 610 etc., wherein glass
Mass content be 20~50%（More preferable 35~45%）.There is the glass fiber enhanced nylon very high mechanical strength, molding to receive
Contracting is smaller, simultaneously as nylon has stronger polarity, it is strong with the caking property of metal, it is possible to provide the stronger bearing capacity of gear.
Preferably, the wear-resisting long carbon chain nylon of enhancing is made of by weight following components：100 parts of nylon resins, 10
~30 parts（More preferable 15~20 parts）Reinforcing material, 1~10 part（More preferable 6~8 parts）Wear-resistant material and 0.1~1.5 part（It is more excellent
Select 0.2~0.5 part）Antioxidant.The wear-resisting long carbon chain nylon of enhancing being made of the material has very high wearability.
Preferably, the nylon resin is one in nylon 11, nylon 12, nylon 1212, nylon 1313 or nylon 10T etc.
Kind or several, more preferable nylon 10T.The nylon resin is long carbon chain nylon, the amide in this kind of nylon resin macromolecular chain
Group is less, and with preferable flexibility, noise is smaller in ratcheting transmission process, meanwhile, opposite common nylon resin, this kind of tree
Fat water imbibition is small, good stability of the dimension, is well suited for manufacturing a variety of transmission gears.Wherein, nylon 10T is removed with long carbon chain nylon
Outside advantage, due to having benzene ring building blocks in its macromolecular chain, warping property is strong, have higher bearing capacity, be suitble to manufacture compared with
Big transmission gear.
Preferably, the reinforcing material is one or more of glass fibre, carbon fiber or aramid fiber etc..Glass fibers
Dimension can effectively improve the mechanical strength of long carbon chain nylon；Carbon fiber can greatly improve the mechanical strength and wearability of long carbon nylon.
Preferably, the wear-resistant material is in silicone oil, molybdenum disulfide, silicone, polytetrafluoroethylene (PTFE), graphite or graphene etc.
It is one or more of.The material can effectively improve the lubricity of material, the wearability of reinforcing material.
Preferably, the antioxidant is antioxidant 1098.
Preferably, the preparation method of the wear-resisting long carbon chain nylon of enhancing is：First by 1~10 part（More preferable 6~8 parts）It is resistance to
Grind material and 0.1~1.5 part（More preferable 0.2~0.5 part）Antioxidant premixes, and is added material storage jar, then by 100 parts of nylon resins and
10~30 parts（More preferable 15~20 parts）Reinforcing material is continuously fed into double screw extruder, with 400~500r/min of screw speed,
At 210~290 DEG C, blending extrusion is heated, through cooling, pelletizing is dry,.Wherein, when nylon resin select nylon 11,
When one or more of nylon 12, nylon 1212 or nylon 1313, more preferable 210~230 DEG C of extrusion temperature works as nylon resin
When selecting PA10T, more preferable 250~290 DEG C of extrusion temperature.
Technical solution is as follows used by the present invention further solves its technical problem：A kind of light wear-resistant metal/nylon
Metal insert, is first placed in injection mold by the preparation method of compound noise-reducing gear, and metal insert is coated with glass fiber enhanced nylon
Single injection-molded is carried out, it is dry, a moulding is obtained, then a moulding is placed in injection mold, with the wear-resisting length of enhancing
Carbon chain nylon coats a moulding and carries out secondary injection molding, dry, machining,.Middle level, cladding material dosage root
It is adjusted according to the correspondingly-sized that need to be obtained.
Preferably, the temperature being once molded is 230~270 DEG C, and the pressure of injection molding is 70~80MPa, injection molding when
Between be 25~35s；The temperature of the quadric injection mould is 220~300 DEG C, and the pressure of injection molding is 60~90MPa, and the time of injection molding is
25~35s；Drying temperature after the primary injection molding and quadric injection mould is 110~130 DEG C, and the dry time is 3~5h.
If the preferred injection time easy tos produce bubble too fast, if too slow, increases production cost.
Beneficial effects of the present invention are as follows：
（1）The weight of light wear-resistant metal of the present invention/nylon compound noise-reducing gear be only metal gear weight 22~
30%, size changing rate is 0.08~0.31%, and quality abrasion is 1.12~3.39mg, and noise is 42~63 decibels, illustrates its matter
Amount is light, and good stability of the dimension, wearability is good, service life is long, and drive noise is small, excellent anti-corrosion performance, and various performances are all remote
It is much better than the alloy steel gear of same dimensions；
（2）The method of the present invention is simple for process, and production efficiency is high, at low cost；
（3）Light wear-resistant metal of the present invention/nylon compound noise-reducing gear can be widely used for weaving, papermaking, rubber, food,
Transmission gear in medical machinery, motor turning gear, timing gears and worm gear.
Description of the drawings
Fig. 1 is the cross-sectional view of 1~11 light wear-resistant metal of the embodiment of the present invention/nylon compound noise-reducing gear；
Fig. 2 is the A-A longitudinal sections of Fig. 1.
Specific implementation mode
With reference to embodiment and attached drawing, the invention will be further described.
Metal insert used in the embodiment of the present invention is steel alloy, commercially available；Used glass fiber enhanced nylon 66（Glass
Mass content is 40%, nylon abbreviation PA）, glass fiber enhanced nylon 46（Glass mass content is 40%）It is purchased from Guangzhou golden hair high-tech stock
Part Co., Ltd；Used carbon fiber T800 is purchased from toray company；Used silicone is purchased from Sichuan morning twilight chemical industry and grinds
Study carefully institute；Used molybdenum disulfide is purchased from one sail Co., Ltd of Shanghai；It is limited that used polytetrafluoroethylene (PTFE) is purchased from Zhejiang hugeization
Company；Raw material used in the embodiment of the present invention are obtained by routine business approach unless otherwise specified.
Light wear-resistant metal/nylon compound noise-reducing pinion embodiment 1~11
Light wear-resistant metal/nylon compound noise-reducing gear, tip diameter Ф 75mm, center-hole diameter Φ 25mm, thickness
15mm is made of three-decker as shown in Figure 1, 2, and internal layer 1 is metal insert, and middle level 2 is glass fiber enhanced nylon（Embodiment 1~
6 select glass fiber reinforced PA66, embodiment 7~11 to select fiberglass reinforced PA 46）, outer layer 3 is to enhance wear-resisting long carbon chain nylon（Material
Component refers to table 2）；It is in concentric teeth colyliform that the internal layer 1, middle level 2 and outer layer 3, which successively wrap up, and module is 50, and interior
The tooth form of layer 1, middle level 2 and outer layer 3 is all V teeth or column toothing.Specific gear inner, middle and outer layer Size Distribution refers to table 1,
Middle level, cladding material dosage adjusted according to the correspondingly-sized that need to obtain.
1 embodiment of table, 1~11 light wear-resistant metal/nylon compound noise-reducing gear inner, middle and outer layer Size Distribution table
Note：In table, outer diameter is tip diameter；The internal diameter of outer layer is the tip diameter in middle level, the internal diameter in middle level
The internal diameter of the as tip diameter of internal layer, internal layer is gear centre bore dia.
2 embodiment of table, 1~11 light wear-resistant metal/nylon compound noise-reducing gear cladding material component table
Note：" PA " is the abbreviation of " nylon " in table；"-" expression is not added with.
Light wear-resistant metal/nylon compound noise-reducing gear outer layer enhances the preparation method embodiment 1 of wear-resisting long carbon chain nylon
~9
According to each material component parts by weight shown in table 2, first wear-resistant material and antioxidant are premixed, material storage jar is added, then will
Nylon resin and reinforcing material are continuously fed into double screw extruder, with screw speed 450r/min, at 210~230 DEG C, and heating
Blending extrusion, through cooling, pelletizing is dry,.
Light wear-resistant metal/nylon compound noise-reducing gear outer layer enhances the preparation method embodiment 10 of wear-resisting long carbon chain nylon
~11
10~11 outer layer of embodiment enhances the preparation method of wear-resisting long carbon chain nylon and differing only in for Examples 1 to 9：
Screw Extrusion temperature is 260~290 DEG C.
The preparation method Examples 1 to 9 of light wear-resistant metal/nylon compound noise-reducing gear
First metal insert is placed in injection mold, is 230~270 DEG C, injection pressure 75MPa in injection temperature, note
It moulds under time 30s, carries out single injection-molded with glass fiber enhanced nylon cladding metal insert, at 120 DEG C, dry 4h is obtained
Moulding, then a moulding is placed in injection mold, it is 220~240 DEG C in injection temperature, injection pressure 65
Under MPa, injection time 30s, secondary injection molding is carried out with moulding of wear-resisting long carbon chain nylon cladding is enhanced, then at 120
At DEG C, dry 4h is machined to gear,.
The preparation method embodiment 10~11 of light wear-resistant metal/nylon compound noise-reducing gear
The difference of the preparation method and Examples 1 to 9 of 10~11 light wear-resistant metal of embodiment/nylon compound noise-reducing gear
It is only that：The temperature of quadric injection mould is 250~290 DEG C, and the pressure of injection molding is 85MPa.
Light wear-resistant metal in embodiment 1~11/nylon compound noise-reducing gear is subjected to gear performance survey using the following method
Examination：
（1）The change rate of size under the conditions of high and low temperature：
The room temperature gear size of light wear-resistant metal/nylon compound noise-reducing gear is first measured, then by gear respectively at -50 DEG C
Or at 150 DEG C, 2h is rotated, finally measures gear size of the gear after being rotated under low temperature or high temperature, gear size variation
Rate calculation formula is as follows：
（2）Wear resistance detects：
The weight of the preceding light wear-resistant metal/nylon compound noise-reducing gear of experiment is first weighed, then metal gear is resistance to lightweight
It grinds metal/nylon compound noise-reducing gear and carries out ratcheting transmission, under the conditions of oil-free lubrication, with 30r/min speed, rotate 500h,
It finally weighs and tests back-geared weight, the quality wear equation of gear is as follows：
Weight after weight-experiment before quality abrasion=experiment.
（3）Noise test：
By light wear-resistant metal/nylon compound noise-reducing gear, 200h is run, its drive noise is tested.
（4）Corrosion resistance detects：
By light wear-resistant metal/nylon compound noise-reducing gear, under conditions of humidity 95%, 30 DEG C of temperature, 200h is placed,
Observe its surface corrosion-resistant erosion situation.
Test result is as shown in table 3.
3 embodiment of table, 1~11 light wear-resistant metal/nylon compound noise-reducing gear the performance test results
The alloy steel gear of same dimensions, tip diameter Φ 75mm, center-hole diameter Φ 25mm, thickness 15mm is pressed
According to above-mentioned（1）~（4）The test method of the light wear-resistant metal/nylon compound noise-reducing gear carries out gear to alloy steel gear
Performance test, test result are：Gear quality 430g, size changing rate 2.6%, quality wear 8.7mg, 83 decibels of noise, corrosion resistant
Corrosion is poor.
As shown in Table 3, the quality of 1~11 light wear-resistant metal of embodiment/nylon compound noise-reducing gear is 96~123g, only
It is the 22.3~28.6% of identical size metallic gear；Size changing rate is 0.08~0.31%；Quality abrasion for 1.12~
3.39mg；Noise is 42~63 decibels；1~11 light wear-resistant metal of the embodiment of the present invention/nylon compound noise-reducing gear it is various
Performance all far superior to the alloy steel gear of dimensions, illustrates its light weight, good stability of the dimension, wearability is good, uses
Long lifespan, drive noise is small, excellent anti-corrosion performance, especially embodiment 10, as a result of PA10T as gear outer layer
（Ratcheting layer）Material, size changing rate, wear rate and noise are minimum, and performance is best.
Claims (26)
1. a kind of light wear-resistant metal/nylon compound noise-reducing gear, it is characterised in that：It is made of three-decker, internal layer is metal
Inserts, middle level are glass fiber enhanced nylon, and outer layer is to enhance wear-resisting long carbon chain nylon；The internal layer, middle level and outer layer successively wrap up
In concentric teeth colyliform, module is identical, and the tooth form of internal layer, middle level and outer layer is all V teeth or column toothing.
2. light wear-resistant metal/nylon compound noise-reducing gear according to claim 1, it is characterised in that：The tooth of the internal layer
The difference of outside diameter circle and gear centre bore dia is the 5~20% of addendum circle diameter of gear and the difference of gear centre bore dia.
3. light wear-resistant metal according to claim 1 or claim 2/nylon compound noise-reducing gear, it is characterised in that：The middle level
The difference of the tip diameter of tip diameter and internal layer be the difference of addendum circle diameter of gear and gear centre bore dia 50~
70%。
4. light wear-resistant metal according to claim 1 or claim 2/nylon compound noise-reducing gear, it is characterised in that：The outer layer
The difference of tip diameter and the tip diameter in middle level be the difference of addendum circle diameter of gear and gear centre bore dia 10~
40%。
5. light wear-resistant metal/nylon compound noise-reducing gear according to claim 3, it is characterised in that：The tooth of the outer layer
The difference of outside diameter circle and the tip diameter in middle level is the 10~40% of addendum circle diameter of gear and the difference of gear centre bore dia.
6. light wear-resistant metal according to claim 1 or claim 2/nylon compound noise-reducing gear, it is characterised in that：The glass increases
Strong nylon is glass fiber reinforced nylon 6, glass fiber enhanced nylon 66, glass fiber reinforced nylon 6 12, glass fiber enhanced nylon 1010, glass increasing
Strong one or more of nylon 46 or Glass Fiber Reinforced Nylon 610, the wherein mass content of glass are 20~50%.
7. light wear-resistant metal/nylon compound noise-reducing gear according to claim 3, it is characterised in that：The fiberglass reinforced
Nylon is glass fiber reinforced nylon 6, glass fiber enhanced nylon 66, glass fiber reinforced nylon 6 12, glass fiber enhanced nylon 1010, fiberglass reinforced
One or more of nylon 46 or Glass Fiber Reinforced Nylon 610, the wherein mass content of glass are 20~50%.
8. light wear-resistant metal/nylon compound noise-reducing gear according to claim 4, it is characterised in that：The fiberglass reinforced
Nylon is glass fiber reinforced nylon 6, glass fiber enhanced nylon 66, glass fiber reinforced nylon 6 12, glass fiber enhanced nylon 1010, fiberglass reinforced
One or more of nylon 46 or Glass Fiber Reinforced Nylon 610, the wherein mass content of glass are 20~50%.
9. light wear-resistant metal according to claim 1 or claim 2/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon is made of by weight following components：100 parts of nylon resins, 10~30 parts of reinforcing materials, 1~10 part wear-resisting
Material and 0.1~1.5 part of antioxidant.
10. light wear-resistant metal/nylon compound noise-reducing gear according to claim 3, it is characterised in that：The enhancing is wear-resisting
Long carbon chain nylon is made of by weight following components：100 parts of nylon resins, 10~30 parts of reinforcing materials, 1~10 part of wear-resisting material
Material and 0.1~1.5 part of antioxidant.
11. light wear-resistant metal/nylon compound noise-reducing gear according to claim 4, it is characterised in that：The enhancing is wear-resisting
Long carbon chain nylon is made of by weight following components：100 parts of nylon resins, 10~30 parts of reinforcing materials, 1~10 part of wear-resisting material
Material and 0.1~1.5 part of antioxidant.
12. light wear-resistant metal/nylon compound noise-reducing gear according to claim 6, it is characterised in that：The enhancing is wear-resisting
Long carbon chain nylon is made of by weight following components：100 parts of nylon resins, 10~30 parts of reinforcing materials, 1~10 part of wear-resisting material
Material and 0.1~1.5 part of antioxidant.
13. light wear-resistant metal/nylon compound noise-reducing gear according to claim 9, it is characterised in that：The nylon resin
For one or more of nylon 11, nylon 12, nylon 1212, nylon 1313 or nylon 10T；The reinforcing material is glass fibers
One or more of dimension, carbon fiber or aramid fiber；The wear-resistant material is silicone oil, molybdenum disulfide, silicone, polytetrafluoroethyl-ne
One or more of alkene, graphite or graphene；The antioxidant is antioxidant 1098.
14. light wear-resistant metal/nylon compound noise-reducing gear according to claim 10, it is characterised in that：The nylon tree
Fat is one or more of nylon 11, nylon 12, nylon 1212, nylon 1313 or nylon 10T；The reinforcing material is glass
One or more of fiber, carbon fiber or aramid fiber；The wear-resistant material is silicone oil, molybdenum disulfide, silicone, polytetrafluoroethyl-ne
One or more of alkene, graphite or graphene；The antioxidant is antioxidant 1098.
15. according to light wear-resistant metal described in claim 11/nylon compound noise-reducing gear, it is characterised in that：The nylon tree
Fat is one or more of nylon 11, nylon 12, nylon 1212, nylon 1313 or nylon 10T；The reinforcing material is glass
One or more of fiber, carbon fiber or aramid fiber；The wear-resistant material is silicone oil, molybdenum disulfide, silicone, polytetrafluoroethyl-ne
One or more of alkene, graphite or graphene；The antioxidant is antioxidant 1098.
16. according to light wear-resistant metal described in claim 12/nylon compound noise-reducing gear, it is characterised in that：The nylon tree
Fat is one or more of nylon 11, nylon 12, nylon 1212, nylon 1313 or nylon 10T；The reinforcing material is glass
One or more of fiber, carbon fiber or aramid fiber；The wear-resistant material is silicone oil, molybdenum disulfide, silicone, polytetrafluoroethyl-ne
One or more of alkene, graphite or graphene；The antioxidant is antioxidant 1098.
17. light wear-resistant metal/nylon compound noise-reducing gear according to claim 9, it is characterised in that：The enhancing is wear-resisting
The preparation method of long carbon chain nylon is：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, material storage jar is added,
100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder again, with 400~500r/ of screw speed
Min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
18. light wear-resistant metal/nylon compound noise-reducing gear according to claim 10, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
19. according to light wear-resistant metal described in claim 11/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
20. according to light wear-resistant metal described in claim 12/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
21. according to light wear-resistant metal described in claim 13/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
22. according to light wear-resistant metal described in claim 14/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
23. according to light wear-resistant metal described in claim 15/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
24. according to light wear-resistant metal described in claim 16/nylon compound noise-reducing gear, it is characterised in that：The enhancing is resistance to
Mill long carbon chain nylon preparation method be：First by 1~10 part of wear-resistant material and 0.1~1.5 part of antioxidant premix, bin stock is added
Cylinder, then 100 parts of nylon resins and 10~30 parts of reinforcing materials are continuously fed into double screw extruder, with screw speed 400~
500r/min heats blending extrusion at 210~290 DEG C, and through cooling, pelletizing is dry,.
25. the preparation method of light wear-resistant metal/nylon compound noise-reducing gear, feature as described in one of claim 1~24
It is：First metal insert is placed in injection mold, single injection-molded is carried out with glass fiber enhanced nylon cladding metal insert, does
It is dry, a moulding is obtained, then a moulding is placed in injection mold, wear-resisting long carbon chain nylon cladding is primary to be molded with enhancing
Part carries out secondary injection molding, dry, machining,.
26. according to the preparation method of light wear-resistant metal described in claim 25/nylon compound noise-reducing gear, it is characterised in that：
The temperature being once molded is 230~270 DEG C, and the pressure of injection molding is 70~80MPa, and the time of injection molding is 25~35s；It is described
The temperature of quadric injection mould is 220~300 DEG C, and the pressure of injection molding is 60~90MPa, and the time of injection molding is 25~35s；It is described primary
Drying temperature after injection molding and quadric injection mould is 110~130 DEG C, and the dry time is 3~5h.
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| CN109099135A (en) * | 2018-08-24 | 2018-12-28 | 苏州卓诚钛设备有限公司 | A kind of antivibration composite alloy gear |
| JP6463867B1 (en) * | 2018-09-07 | 2019-02-06 | 株式会社ショーワ | Method for manufacturing rotary power transmission member |
| IT201900002211A1 (en) | 2019-02-15 | 2020-08-15 | Bft S P A | Transmission for worm gates and toothed crown |
| CN110081145B (en) * | 2019-03-30 | 2022-05-13 | 珠海市磐石电子科技有限公司 | Composite gear |
| CN110030364A (en) * | 2019-04-19 | 2019-07-19 | 浙江美亚特精密机械有限公司 | A kind of multiple field metal/resin gear and its manufacturing process and purposes |
| CN111231342B (en) * | 2020-02-12 | 2022-03-11 | 南通市中吕齿轮有限公司 | Processing technology of nylon gear |
| CN112815072A (en) * | 2020-12-28 | 2021-05-18 | 株洲时代工程塑料科技有限责任公司 | EPS worm gear and preparation method thereof |
| CN113446378B (en) * | 2021-07-21 | 2022-09-13 | 浙江汇丰汽车零部件股份有限公司 | Gear structure of steering engine and preparation method thereof |
| CN114525964B (en) * | 2022-03-09 | 2023-08-01 | 张俊 | Conductive ratchet wheel assembly and preparation method thereof |
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Denomination of invention: A light wear resistant metal / nylon composite noise reduction gear and its preparation method Effective date of registration: 20210526 Granted publication date: 20180717 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA WUBEN NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021430000014 |
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