CN109483777A - The manufacturing process and methods of single track hanging wheel - Google Patents
The manufacturing process and methods of single track hanging wheel Download PDFInfo
- Publication number
- CN109483777A CN109483777A CN201811619371.2A CN201811619371A CN109483777A CN 109483777 A CN109483777 A CN 109483777A CN 201811619371 A CN201811619371 A CN 201811619371A CN 109483777 A CN109483777 A CN 109483777A
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- CN
- China
- Prior art keywords
- core wheel
- wheel
- single track
- manufacturing process
- polyurethane
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- 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.)
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Classifications
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention relates to a kind of manufacturing process and methods of single track hanging wheel, single track hanging wheel of the invention is made of core wheel and polyurethane rubber-covered, encapsulated polyurethane is NDI system, core wheel is ZG270-500 cast steel, with certain toughness and plasticity, intensity and hardness are higher, machinability is good, pass through sandblasting again, cleaning, solidification, performed polymer preheating, mold preheating, ingredient, presulfurization, post-cure and etc. by polyurethane and core wheel vulcanization be integrated, in terms of polyurethane and core wheel bonding, select heat cure polyurethane adhesive, its peel strength is high, it can satisfy bonding demand, and；The present invention has the advantages that at low cost, stability is high, long service life.
Description
Technical field
The present invention relates to monorail crane technical fields, and in particular to a kind of manufacturing process and methods of single track hanging wheel.
Background technique
Mining monorail crane is the novel delivery vehicle that underground coal mine realizes personnel, material and heave-load device transport in recent years,
Current single hanger rail equipment is import equipment, and single track hanging wheel is the important loss accessory of monorail crane, and single track hanging wheel is because of wrapped poly- ammonia
The factors such as ester abrasion chip off-falling degumming are unable to normal use, need replacing within average 3-6 months one time, every monorail crane 6-8 wheel.By
It is still import accessory in current single track hanging wheel, import cost is very big, and the replacement of price height frequently occupies a large amount of maintenance cost,
Single track hanging wheel as the pain spot that monorail crane uses, therefore the low service life length of production prices replaces import accessory to compel to be essential as user
It wants；Therefore it provides one kind is at low cost, stability is high, the manufacturing process and methods of single track hanging wheel with long service life are that have very much
It is necessary.
Summary of the invention
The purpose of the invention is to overcome the deficiencies in the prior art, and provide it is a kind of it is at low cost, stability is high, using the longevity
Order the manufacturing process and methods of long single track hanging wheel.
The object of the present invention is achieved like this: the manufacturing process and methods of single track hanging wheel, it the following steps are included:
Step 1): the good core wheel of vehicle is placed on sandblasting in sand-blasting machine by sandblasting, and it is the cast steel sand of 0.5mm-1mm that abrasive material, which selects diameter grain,
Surface sand-blasting process is carried out, sandblasting can improve the mechanical performance of core wheel, and core wheel is formed uniformly after sandblasting in wheel wicking surface
Subtle male and fomale(M&F), convenient for the operation such as subsequent heat cure；
Step 2: the core wheel after sandblasting is put into service sink cleaning by cleaning, and cleaning material selects trichloro ethylene, handles core wheel table
The caducous abrasive material in face, dust and grease, trichloro ethylene is as excellent solvent, the inorganic agent as metal surface, and 120
DEG C or less to the corrosion-free effect of common metal；
Step 3): solidifying, and the agent of polyurethane bonding hot vulcanization is smeared on core wheel after the completion of cleaning, is uniformly applied to core wheel table
Face, smearing number is 2 times, and the core wheel after smearing is placed on precuring 2 hours in baking oven, is put into mold stand-by；
Step 4): base polyurethane prepolymer for use as is placed in baking oven and is heated to 75-85 DEG C, for use by base polyurethane prepolymer for use as preheating；
Step 5): above-mentioned mold is placed in baking oven and preheats, is preheated to 110 DEG C -120 DEG C by mold preheating；
Step 6): ingredient, by after the completion of preheating base polyurethane prepolymer for use as and BDO be mixed and stirred for according to the ratio of 100:4-4.5
Uniformly；
Step 7): presulfurization, the mixture stirred evenly that step 6) is obtained are poured into mold, are put into after surface solidification
Vulcanization 60 minutes in baking oven, 110 DEG C of curing temperature, modulus；
Step 8): carry out post-cure is centrally placed in the good workpiece of presulfurization by post-cure, and curing temperature is 110 DEG C -120
℃。
Base polyurethane prepolymer for use as by by polyol component in 110 DEG C -130 DEG C, dehydrated under vacuum 2-4 hours, later by NDI
To be obtained in the powdered polyol component for being added to 125 DEG C -135 DEG C.
Base polyurethane prepolymer for use as selects NDI system polyurethane.
Core wheel selects ZG270-500 cast steel.
Beneficial effects of the present invention: single track hanging wheel of the invention is made of core wheel and polyurethane rubber-covered, core wheel ZG270-
500 cast steels have certain toughness and plasticity, and intensity and hardness are higher, and machinability is good；Encapsulated polyurethane is NDI system, is led to
It crosses special polyurethane bonding hot vulcanization agent to be integrated polyurethane and core wheel vulcanization, the strength of materials is high, compressive deformation is small, wear-resisting
Damage is able to satisfy the requirement that encapsulated performance is taken turns in heavy duty.In order to solve the problems, such as the bonding of polyurethane and steel core wheel, special heat is selected
Vulcanize polyurethane adhesive, peel strength is high, can satisfy bonding demand；The present invention has a kind of at low cost, stability
The advantages of height, long service life.
Detailed description of the invention
Fig. 1 is the manufacturing process and methods structural schematic diagram of single track hanging wheel of the present invention.
Fig. 2 is the manufacturing process and methods structure front view of single track hanging wheel of the present invention.
1, core wheel 2, polyurethane in figure.
Specific embodiment
Following further describes the present invention with reference to the drawings.
Embodiment 1
As illustrated in fig. 1 and 2, the present invention relates to the manufacturing process and methods of single track hanging wheel, it the following steps are included:
Step 1): the good core wheel 1 of vehicle is placed on sandblasting in sand-blasting machine by sandblasting, and it is the cast steel sand of 0.5mm-1mm that abrasive material, which selects diameter grain,
Surface sand-blasting process is carried out, sandblasting can improve the mechanical performance of core wheel 1, and core wheel 1 is formed after sandblasting on 1 surface of core wheel
Uniformly subtle male and fomale(M&F), convenient for the operation such as subsequent heat cure；
Step 2: the core wheel 1 after sandblasting is put into service sink cleaning by cleaning, and cleaning material selects trichloro ethylene, handles core wheel 1
The caducous abrasive material in surface, dust and grease, trichloro ethylene is as excellent solvent, the inorganic agent as metal surface, and
120 DEG C or less to the corrosion-free effect of common metal；
Step 3): solidifying, and the agent of polyurethane bonding hot vulcanization is smeared on the core wheel 1 after the completion of cleaning, is uniformly applied to 1 table of core wheel
Face, smearing number is 2 times, and the core wheel 1 after smearing is placed on precuring 2 hours in baking oven, is put into mold stand-by；
Step 4): base polyurethane prepolymer for use as is placed in baking oven and is heated to 75-85 DEG C, for use by base polyurethane prepolymer for use as preheating；
Step 5): above-mentioned mold is placed in baking oven and preheats, is preheated to 110 DEG C -120 DEG C by mold preheating；
Step 6): ingredient, by after the completion of preheating base polyurethane prepolymer for use as and BDO be mixed and stirred for according to the ratio of 100:4-4.5
Uniformly；
Step 7): presulfurization, the mixture stirred evenly that step 6) is obtained are poured into mold, are put into after surface solidification
Vulcanization 60 minutes in baking oven, 110 DEG C of curing temperature, modulus；
Step 8): carry out post-cure is centrally placed in the good workpiece of presulfurization by post-cure, and curing temperature is 110 DEG C -120
℃。
Single track hanging wheel of the invention is made of core wheel 1 and polyurethane rubber-covered, and core wheel 1 is ZG270-500 cast steel, is had certain
Toughness and plasticity, intensity and hardness are higher, and machinability is good；Encapsulated polyurethane is NDI system, passes through special polyurethane heat
Bonding by Vulcanization agent is integrated polyurethane and the vulcanization of core wheel 1, and the strength of materials is high, compressive deformation is small, wear-resistant, is able to satisfy heavily loaded wheel
The requirement of encapsulated performance.In order to solve the problems, such as the bonding of polyurethane and steel core wheel 1, special heat cure polyurethane adhesive is selected
Agent, peel strength is high, can satisfy bonding demand；The present invention is at low cost with one kind, stability is high, with long service life
Advantage.
Embodiment 2
As illustrated in fig. 1 and 2, single track hanging wheel of the invention is made through the above steps, every technical parameter is as follows:
| Name of product | Hardness (HA) | Tensile strength (MPa) | Elongation (%) | Wear away (mm3) | Density (g/mm3) |
| Polyurethane single track hanging wheel | 93 | 48 | 850 | 40 | 1.3 |
Single track hanging wheel of the invention is made of core wheel 1 and polyurethane rubber-covered, and core wheel 1 is ZG270-500 cast steel, has centainly tough
Property and plasticity, intensity and hardness are higher, and machinability is good；Encapsulated polyurethane is NDI system, passes through special polyurethane heat cure
Bonding agent is integrated polyurethane and the vulcanization of core wheel 1, and the strength of materials is high, compressive deformation is small, wear-resistant, and it is encapsulated to be able to satisfy heavy duty wheel
The requirement of performance.In order to solve the problems, such as the bonding of polyurethane and steel core wheel 1, special heat cure polyurethane adhesive is selected,
Its peel strength is high, can satisfy bonding demand.
Compared with traditional manufacturing process, single track hanging wheel its various aspects of performance manufactured through the above steps is more preferable, uses
Service life is 2 times of imported product, and cost of manufacture is lower, and using effect is better than traditional manufacturing process；The present invention has one
The advantages of kind is at low cost, stability is high, long service life.
Claims (4)
1. the manufacturing process and methods of single track hanging wheel, it is characterised in that: it the following steps are included:
Step 1): the good core wheel of vehicle is placed on sandblasting in sand-blasting machine by sandblasting, and it is the cast steel sand of 0.5mm-1mm that abrasive material, which selects diameter grain,
Carry out surface sand-blasting process；
Step 2: the core wheel after sandblasting is put into service sink cleaning by cleaning, and cleaning material selects trichloro ethylene, handles core wheel table
The caducous abrasive material in face, dust and grease；
Step 3): solidifying, and the agent of polyurethane bonding hot vulcanization is smeared on core wheel after the completion of cleaning, is uniformly applied to core wheel table
Face, smearing number is 2 times, and the core wheel after smearing is placed on precuring 2 hours in baking oven, is put into mold stand-by；
Step 4): base polyurethane prepolymer for use as is placed in baking oven and is heated to 75-85 DEG C, for use by base polyurethane prepolymer for use as preheating；
Step 5): above-mentioned mold is placed in baking oven and preheats, is preheated to 110 DEG C -120 DEG C by mold preheating；
Step 6): ingredient, by after the completion of preheating base polyurethane prepolymer for use as and BDO be mixed and stirred for according to the ratio of 100:4-4.5
Uniformly；
Step 7): presulfurization, the mixture stirred evenly that step 6) is obtained are poured into mold, are put into after surface solidification
Vulcanization 60 minutes in baking oven, 110 DEG C of curing temperature, modulus；
Step 8): carry out post-cure is centrally placed in the good workpiece of presulfurization by post-cure, and curing temperature is 110 DEG C -120
℃。
2. the manufacturing process and methods of single track hanging wheel as described in claim 1, it is characterised in that: the base polyurethane prepolymer for use as is logical
Cross polyol component in 110 DEG C -130 DEG C, dehydrated under vacuum 2-4 hours, later by NDI with it is powdered be added to 125 DEG C -
It is obtained in 135 DEG C of polyol component.
3. the manufacturing process and methods of single track hanging wheel as described in claim 1, it is characterised in that: the base polyurethane prepolymer for use as choosing
With NDI system polyurethane.
4. the manufacturing process and methods of single track hanging wheel as described in claim 1, it is characterised in that: the core wheel selects ZG270-
500 cast steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619371.2A CN109483777A (en) | 2018-12-28 | 2018-12-28 | The manufacturing process and methods of single track hanging wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619371.2A CN109483777A (en) | 2018-12-28 | 2018-12-28 | The manufacturing process and methods of single track hanging wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109483777A true CN109483777A (en) | 2019-03-19 |
Family
ID=65712837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619371.2A Pending CN109483777A (en) | 2018-12-28 | 2018-12-28 | The manufacturing process and methods of single track hanging wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483777A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278456A (en) * | 2011-07-05 | 2011-12-14 | 江苏天奇物流系统工程股份有限公司 | Transmission friction wheel and manufacture process thereof |
| CN102807665A (en) * | 2012-08-27 | 2012-12-05 | 马鞍山市天鑫辊业有限责任公司 | Low-hardness pouring polyurethane rubber roller and production method thereof |
| CN103786290A (en) * | 2014-01-22 | 2014-05-14 | 杭州台创实业有限公司 | Method for fabricating casting-type polyurethane elastomer tire |
| CN107325261A (en) * | 2017-08-29 | 2017-11-07 | 杭州重力脚轮科技有限公司 | A kind of 1,5 naphthalene diisocyanate type polyurethane elastomers and its preparation method and application |
| CN107337781A (en) * | 2017-06-19 | 2017-11-10 | 杭州台创实业有限公司 | A kind of polyurethane wheel production technology |
| CN108752909A (en) * | 2018-06-13 | 2018-11-06 | 江苏唯源橡塑制品有限公司 | A kind of composition of raw materials, raw material manufacture craft and its processing method of PU wheels |
-
2018
- 2018-12-28 CN CN201811619371.2A patent/CN109483777A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278456A (en) * | 2011-07-05 | 2011-12-14 | 江苏天奇物流系统工程股份有限公司 | Transmission friction wheel and manufacture process thereof |
| CN102807665A (en) * | 2012-08-27 | 2012-12-05 | 马鞍山市天鑫辊业有限责任公司 | Low-hardness pouring polyurethane rubber roller and production method thereof |
| CN103786290A (en) * | 2014-01-22 | 2014-05-14 | 杭州台创实业有限公司 | Method for fabricating casting-type polyurethane elastomer tire |
| CN107337781A (en) * | 2017-06-19 | 2017-11-10 | 杭州台创实业有限公司 | A kind of polyurethane wheel production technology |
| CN107325261A (en) * | 2017-08-29 | 2017-11-07 | 杭州重力脚轮科技有限公司 | A kind of 1,5 naphthalene diisocyanate type polyurethane elastomers and its preparation method and application |
| CN108752909A (en) * | 2018-06-13 | 2018-11-06 | 江苏唯源橡塑制品有限公司 | A kind of composition of raw materials, raw material manufacture craft and its processing method of PU wheels |
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| 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 | ||
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Application publication date: 20190319 |