CN114395123A - Preparation process of MC nylon elevator driving wheel material - Google Patents
Preparation process of MC nylon elevator driving wheel material Download PDFInfo
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- CN114395123A CN114395123A CN202210000776.8A CN202210000776A CN114395123A CN 114395123 A CN114395123 A CN 114395123A CN 202210000776 A CN202210000776 A CN 202210000776A CN 114395123 A CN114395123 A CN 114395123A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The invention belongs to the technical field of nylon wheels, and particularly relates to a preparation process of an MC nylon elevator driving wheel material, which comprises the following steps: s1, preparing materials: comprises the following raw material components: 77-89 parts of caprolactam, 1-3 parts of chopped carbon fibers, 1-2 parts of alloy powder, 4.5-8 parts of nano filler, 1-2 parts of sodium hydroxide, 0.5-2 parts of toner, 0.5-1 part of thickening agent, 0.5-1 part of antioxidant, 0.5-1 part of silane coupling agent, 0.5-1 part of antistatic agent and 1-2 parts of auxiliary agent; s2, premixing; s3, melting and vacuum dewatering; and S4, casting. Compared with the prior art, the MC nylon elevator driving wheel prepared by the invention is obviously improved in tensile strength, elongation at break, bending strength and impact strength, has excellent mechanical properties, further improves the overall structural rigidity and stability of the MC nylon elevator driving wheel, and obviously enhances the wear resistance, corrosion resistance, weather resistance and ageing resistance.
Description
Technical Field
The invention relates to the technical field of nylon wheels, in particular to a preparation process of an MC nylon elevator driving wheel material.
Background
The elevator driving wheel is widely applied to the fields of passenger ladders, household ladders, escalators, hydraulic ladder driving wheels and the like, such as guide wheels, counterweight wheels, car roof wheels, door machine rollers, barring hand wheels, guide shoes and the like. Besides elevators, the elevator can also be used for pulleys, rollers, sliding blocks and the like in hoisting machinery, automobile cranes, tower cranes and mixing machinery.
The traditional nylon wheel blank is a chemical product formed by melting and vacuumizing raw material caprolactam, mixing the caprolactam with a catalytic assistant, pouring the mixture into a special die and carrying out polymerization reaction. Although the MC nylon elevator driving wheel overcomes the problems of heavy weight, difficult transportation and high cost of a cast iron wheel, the MC nylon elevator driving wheel still has the defect of poor mechanical property, generally low tensile strength, impact strength, bending strength and elongation at break, high wear rate, short service life and difficulty in meeting the use requirement of the high-quality MC nylon elevator driving wheel under the condition of controlling cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation process of an MC nylon elevator driving wheel material, which solves the problems that the existing MC nylon elevator driving wheel has the defects of poor mechanical property, generally low tensile strength, impact strength, bending strength and elongation at break, high wear rate, short service life and difficulty in meeting the use requirement of a high-quality MC nylon elevator driving wheel under the condition of controlling cost.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
a preparation process of an MC nylon elevator driving wheel material comprises the following steps:
s1, preparing materials: comprises the following raw material components: 77-89 parts of caprolactam, 1-3 parts of chopped carbon fibers, 1-2 parts of alloy powder, 4.5-8 parts of nano filler, 1-2 parts of sodium hydroxide, 0.5-2 parts of toner, 0.5-1 part of thickening agent, 0.5-1 part of antioxidant, 0.5-1 part of silane coupling agent, 0.5-1 part of antistatic agent and 1-2 parts of auxiliary agent;
s2, premixing: adding the weighed chopped carbon fibers, alloy powder, nano filler, sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: melting the premix, adding weighed thickening agent, antioxidant, silane coupling agent and antistatic agent into the melted premix, then mechanically stirring to fully mix to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 125-135 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with an auxiliary agent, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated in a centrifugal machine for 10-15 min, the centrifugal rotation speed of the mould is 500-1000 rpm, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 18-24 h;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
Further, the alloy powder is prepared from the following raw materials in percentage by weight: 37-50% of nickel, 25-28% of chromium, 15-20% of molybdenum, 8-10% of silicon and 2-5% of boron.
Further, the nano-filler is prepared from the following raw materials in percentage by weight: 35-45% of nano aluminum oxide, 35-40% of nano silicon dioxide and 20-25% of nano titanium dioxide.
Further, the thickener is one of sodium hydroxymethyl cellulose, hydroxypropyl methylcellulose and hydroxymethyl cellulose.
Further, the antioxidant is 2, 6-di-tert-butyl-p-cresol or 2, 8-di-tert-butyl-4-methyl phenol.
Further, the silane coupling agent is one of silane coupling agents KH-550, KH-560, KH-570, KH-151 and KH-171.
Further, the antistatic agent adopts a polymer type permanent antistatic agent Adekastab AS-301E.
Furthermore, the auxiliary agent is toluene diisocyanate or diphenylmethane diisocyanate,
(III) advantageous effects
Compared with the prior art, the invention provides a preparation process of an MC nylon elevator driving wheel material, which has the following beneficial effects:
according to the invention, through adding the alloy powder containing nickel, chromium, molybdenum, silicon and boron into caprolactam, adding the nano filler consisting of nano aluminum oxide, nano silicon dioxide and nano titanium dioxide and the chopped carbon fiber, the tensile strength, the elongation at break, the bending strength and the impact strength are obviously improved compared with the prior art, the prepared MC nylon elevator driving wheel has excellent mechanical properties, the integral structural rigidity and the stability of the MC nylon elevator driving wheel are further improved, and meanwhile, the wear resistance, the corrosion resistance, the weather resistance and the ageing resistance are obviously enhanced, and the integral performance is obviously improved.
Drawings
FIG. 1 is a schematic diagram showing the performance test results of the MC nylon elevator transmission wheel prepared by the embodiments 1-3 and the comparative example 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, a process for preparing a material of an MC nylon elevator transmission wheel according to an embodiment of the present invention includes the following steps:
s1, preparing materials: comprises the following raw material components: 77 parts of caprolactam, 3 parts of chopped carbon fibers, 2 parts of alloy powder, 8 parts of nano filler, 2 parts of sodium hydroxide, 2 parts of toner, 1 part of sodium hydroxymethyl cellulose, 1 part of 2, 6-di-tert-butyl-p-cresol, 1 part of silane coupling agent KH-550, 1 part of antistatic agent Adekastab AS-301E and 2 parts of toluene diisocyanate;
s2, premixing: adding the weighed chopped carbon fibers, alloy powder, nano filler, sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: after the premix is melted, adding weighed sodium hydroxymethyl cellulose, 2, 6-di-tert-butyl-p-cresol, a silane coupling agent KH-550 and an antistatic agent Adekastab AS-301E into the melted premix, then mechanically stirring the mixture to fully mix the mixture to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 125 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with toluene diisocyanate, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated in a centrifugal machine for 10min, the centrifugal rotating speed of the mould is 500 revolutions per minute, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 18 h;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
In some embodiments, the method is characterized by: the alloy powder is prepared from the following raw materials in percentage by weight: 37% of nickel, 28% of chromium, 20% of molybdenum, 10% of silicon and 5% of boron.
In some embodiments, the method is characterized by: the nano-filler is prepared from the following raw materials in percentage by weight: 35% of nano aluminum oxide, 40% of nano silicon dioxide and 25% of nano titanium dioxide.
Example 2
As shown in fig. 1, a process for preparing a material of an MC nylon elevator transmission wheel according to an embodiment of the present invention includes the following steps:
s1, preparing materials: comprises the following raw material components: 89 parts of caprolactam, 1 part of chopped carbon fiber, 1 part of alloy powder, 4.5 parts of nano filler, 1 part of sodium hydroxide, 0.5 part of toner, 0.5 part of hydroxypropyl methyl cellulose, 0.5 part of 2, 8-di-tert-butyl-4-methylphenol, 0.5 part of silane coupling agent KH-560, 0.5 part of antistatic agent Adekastab AS-301E and 1 part of diphenylmethane diisocyanate;
s2, premixing: adding the weighed chopped carbon fibers, alloy powder, nano filler, sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: after the premix is melted, adding weighed hydroxypropyl methyl cellulose, 2, 8-di-tert-butyl-4-methylphenol, a silane coupling agent KH-560 and an antistatic agent Adekastab AS-301E into the melted premix, then mechanically stirring the mixture to fully mix the mixture to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 135 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with diphenylmethane diisocyanate, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated for 15min in a centrifugal machine, the centrifugal rotating speed of the mould is 1000 revolutions per minute, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 24 hours;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
In some embodiments, the method is characterized by: the alloy powder is prepared from the following raw materials in percentage by weight: 50% of nickel, 25% of chromium, 15% of molybdenum, 8% of silicon and 2% of boron.
In some embodiments, the method is characterized by: the nano-filler is prepared from the following raw materials in percentage by weight: 45% of nano aluminum oxide, 35% of nano silicon dioxide and 20% of nano titanium dioxide.
Example 3
As shown in fig. 1, a process for preparing a material of an MC nylon elevator transmission wheel according to an embodiment of the present invention includes the following steps:
s1, preparing materials: comprises the following raw material components: 82 parts of caprolactam, 2 parts of chopped carbon fibers, 2 parts of alloy powder, 6 parts of nano filler, 1.5 parts of sodium hydroxide, 1.5 parts of toner, 0.5 part of hydroxymethyl cellulose, 1 part of 2, 8-di-tert-butyl-4-methyl phenol, 1 part of silane coupling agent KH-570, 1 part of antistatic agent Adekastab AS-301E and 1.5 parts of toluene diisocyanate;
s2, premixing: adding the weighed chopped carbon fibers, alloy powder, nano filler, sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: after the premix is melted, adding weighed hydroxymethyl cellulose, 2, 8-di-tert-butyl-4-methylphenol, a silane coupling agent KH-570 and an antistatic agent Adekastab AS-301E into the melted premix, then mechanically stirring the mixture to fully mix the mixture to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 135 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with toluene diisocyanate, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated for 12min in a centrifugal machine, the centrifugal rotating speed of the mould is 800 revolutions per minute, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 22 h;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
In some embodiments, the method is characterized by: the alloy powder is prepared from the following raw materials in percentage by weight: 43% of nickel, 26% of chromium, 18% of molybdenum, 9% of silicon and 4% of boron.
In some embodiments, the method is characterized by: the nano-filler is prepared from the following raw materials in percentage by weight: 40% of nano aluminum oxide, 38% of nano silicon dioxide and 22% of nano titanium dioxide.
Comparative example 1
The comparative example is a comparative example of embodiment 3, and the preparation process of the MC nylon elevator transmission wheel material provided by the comparative example comprises the following steps:
s1, preparing materials: comprises the following raw material components: 82 parts of caprolactam, 1.5 parts of toner, 1.5 parts of sodium hydroxide, 0.5 part of hydroxymethyl cellulose, 1 part of 2, 8-di-tert-butyl-4-methylphenol, 1 part of silane coupling agent KH-570, 1 part of antistatic agent Adekastab AS-301E and 1.5 parts of toluene diisocyanate;
s2, premixing: adding weighed sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: after the premix is melted, adding weighed hydroxymethyl cellulose, 2, 8-di-tert-butyl-4-methylphenol, a silane coupling agent KH-570 and an antistatic agent Adekastab AS-301E into the melted premix, then mechanically stirring the mixture to fully mix the mixture to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 135 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with toluene diisocyanate, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated for 12min in a centrifugal machine, the centrifugal rotating speed of the mould is 800 revolutions per minute, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 22 h;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
The performance test results of the MC nylon elevator transmission wheel prepared by the embodiments 1-3 and the comparative example 1 are shown in figure 1.
The test result shows that compared with the MC nylon elevator driving wheel prepared in the comparative example 1, the MC nylon elevator driving wheel prepared in the embodiments 1-3 has the advantages that the tensile strength, the elongation at break, the bending strength and the impact strength are obviously improved, and the wear resistance is better; the invention provides a preparation process of an MC nylon elevator driving wheel material, which comprises the steps of adding chopped carbon fibers into caprolactam, effectively enhancing the overall structural rigidity and stability of the MC nylon elevator driving wheel by utilizing the characteristics of the chopped carbon fibers, adding alloy powder consisting of 37-50 wt% of nickel, 25-28 wt% of chromium, 15-20 wt% of molybdenum, 8-10 wt% of silicon and 2-5 wt% of boron into the caprolactam, further improving the mechanical strength and corrosion resistance of the MC nylon elevator driving wheel by utilizing the nickel, obviously improving the antioxidation effect of the MC nylon elevator driving wheel by adding the caprolactam into the chromium, increasing the corrosion resistance of the MC nylon elevator driving wheel, and improving the processing performance, wear resistance, tensile strength, impact strength, bending strength, elongation at break and thermal property of a product of the MC nylon elevator driving wheel by adding the molybdenum into the caprolactam, the silicon powder is added into the raw materials and can be used as a filler for filling and reinforcing, so that the tear resistance, weather resistance and ageing resistance of the MC nylon elevator driving wheel are improved, and in addition, the addition of boron can enable the MC nylon elevator driving wheel to have low friction coefficient and good wear resistance; by adding the nano filler, namely adding 35-45 wt% of nano alumina, 35-40 wt% of nano silica and 20-25 wt% of boron nano titanium dioxide into caprolactam, the mechanical property of the MC nylon elevator driving wheel can be remarkably improved, the wear rate of the MC nylon elevator driving wheel is reduced, and the MC nylon elevator driving wheel has an excellent ultraviolet-proof function and strong weather resistance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A preparation process of MC nylon elevator driving wheel materials is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing materials: comprises the following raw material components: 77-89 parts of caprolactam, 1-3 parts of chopped carbon fibers, 1-2 parts of alloy powder, 4.5-8 parts of nano filler, 1-2 parts of sodium hydroxide, 0.5-2 parts of toner, 0.5-1 part of thickening agent, 0.5-1 part of antioxidant, 0.5-1 part of silane coupling agent, 0.5-1 part of antistatic agent and 1-2 parts of auxiliary agent;
s2, premixing: adding the weighed chopped carbon fibers, alloy powder, nano filler, sodium hydroxide and toner into caprolactam, and mechanically stirring to obtain a premix;
s3, melting and vacuum dewatering: melting the premix, adding weighed thickening agent, antioxidant, silane coupling agent and antistatic agent into the melted premix, then mechanically stirring to fully mix to obtain a mixture, and carrying out vacuum dehydration on the mixture, wherein the reaction temperature is controlled at 125-135 ℃;
s4, casting: uniformly mixing the mixture subjected to vacuum dehydration in the step S4 with an auxiliary agent, and adding the mixture into a preheated mold;
s5, demolding: the mould is centrifugally rotated in a centrifugal machine for 10-15 min, the centrifugal rotation speed of the mould is 500-1000 rpm, the mould stops rotating, and the blank of the cast driving wheel is taken out;
s6, internal stress treatment: soaking the casting mold transmission wheel blank taken out in the step S5 in an oil medium for 18-24 h;
s7, forming and machining: and (5) machining the casting mold driving wheel blank processed in the step S6 according to requirements to obtain a finished product of the MC nylon elevator driving wheel.
2. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the alloy powder is prepared from the following raw materials in percentage by weight: 37-50% of nickel, 25-28% of chromium, 15-20% of molybdenum, 8-10% of silicon and 2-5% of boron.
3. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the nano filler is prepared from the following raw materials in percentage by weight: 35-45% of nano aluminum oxide, 35-40% of nano silicon dioxide and 20-25% of nano titanium dioxide.
4. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the thickener is one of sodium hydroxymethyl cellulose, hydroxypropyl methylcellulose and hydroxymethyl cellulose.
5. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the antioxidant is 2, 6-di-tert-butyl-p-cresol or 2, 8-di-tert-butyl-4-methylphenol.
6. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the silane coupling agent is one of silane coupling agents KH-550, KH-560, KH-570, KH-151 and KH-171.
7. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the antistatic agent adopts a polymer type permanent antistatic agent Adekastab AS-301E.
8. The preparation process of the MC nylon elevator transmission wheel material as claimed in claim 1, wherein the preparation process comprises the following steps: the auxiliary agent is toluene diisocyanate or diphenylmethane diisocyanate.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103804681A (en) * | 2014-02-12 | 2014-05-21 | 扬州赛尔达尼龙制造有限公司 | Manufacturing method of driving wheel made of nylon-based gradient composite |
CN104559150A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | Antistatic caprolactam heat-conducting material and preparation method thereof |
CN110330786A (en) * | 2019-06-11 | 2019-10-15 | 东莞市腾龙新材料有限公司 | A kind of Heat conduction nylon composite material and preparation method thereof |
CN111533901A (en) * | 2020-05-09 | 2020-08-14 | 扬州尼尔工程塑料有限公司 | Integrated preparation method of short carbon fiber and nylon 6 gradient composite elevator pulley with reinforced rim structure |
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- 2022-01-04 CN CN202210000776.8A patent/CN114395123A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103804681A (en) * | 2014-02-12 | 2014-05-21 | 扬州赛尔达尼龙制造有限公司 | Manufacturing method of driving wheel made of nylon-based gradient composite |
CN104559150A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | Antistatic caprolactam heat-conducting material and preparation method thereof |
CN110330786A (en) * | 2019-06-11 | 2019-10-15 | 东莞市腾龙新材料有限公司 | A kind of Heat conduction nylon composite material and preparation method thereof |
CN111533901A (en) * | 2020-05-09 | 2020-08-14 | 扬州尼尔工程塑料有限公司 | Integrated preparation method of short carbon fiber and nylon 6 gradient composite elevator pulley with reinforced rim structure |
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