CN114682998A - Production process of flyer presser aluminum product - Google Patents
Production process of flyer presser aluminum product Download PDFInfo
- Publication number
- CN114682998A CN114682998A CN202210271097.4A CN202210271097A CN114682998A CN 114682998 A CN114682998 A CN 114682998A CN 202210271097 A CN202210271097 A CN 202210271097A CN 114682998 A CN114682998 A CN 114682998A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- reaction
- parts
- presser finger
- cutting fluid
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000002173 cutting fluid Substances 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000004814 polyurethane Substances 0.000 claims abstract description 54
- 229920002635 polyurethane Polymers 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000004080 punching Methods 0.000 claims abstract description 20
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003973 paint Substances 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 40
- 239000000047 product Substances 0.000 claims description 39
- 230000009467 reduction Effects 0.000 claims description 36
- 238000003801 milling Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 30
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 claims description 28
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- -1 polysaccharide phosphate Chemical class 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 15
- 229920001282 polysaccharide Polymers 0.000 claims description 15
- 239000005017 polysaccharide Substances 0.000 claims description 15
- 229910019142 PO4 Inorganic materials 0.000 claims description 14
- 238000005886 esterification reaction Methods 0.000 claims description 14
- 239000010452 phosphate Substances 0.000 claims description 14
- 230000035484 reaction time Effects 0.000 claims description 14
- 229960004441 tyrosine Drugs 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 12
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 12
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims description 7
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 6
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 6
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 235000013877 carbamide Nutrition 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 6
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 6
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 6
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 6
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 239000012065 filter cake Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000009477 glass transition Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000005292 vacuum distillation Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- YHPLDIMIJCPNBP-UHFFFAOYSA-N n-methyldocosan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCCCCCNC YHPLDIMIJCPNBP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims 8
- 238000012360 testing method Methods 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000002194 synthesizing effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010814 metallic waste Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000005521 carbonamide group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004665 fatty acids Chemical group 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N monoethanolamine hydrochloride Natural products NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/76—Reduction of noise, shudder, or vibrations
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/245—Soft metals, e.g. aluminum
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a production process of an aluminum part of a flyer presser finger, wherein in the production process, an aluminum ingot is made into a presser finger through aluminum melting and casting, and the presser finger is made into an aluminum component through the working procedures of polishing, dynamic balancing, paint spraying, drying and punching; and the steel is machined into a steel component matched with the aluminum component, and the aluminum component and the steel component are assembled, subjected to factory inspection, product packaging and factory leaving to obtain the flyer presser finger aluminum product. The noise-reducing cutting fluid is used in the polishing and punching procedures, the vibration energy of noise can be absorbed and converted into heat energy by the waterborne polyurethane in the noise-reducing cutting fluid, the heat energy is taken away by the cutting fluid with good heat conductivity, and the technical purpose of reducing the processing noise can be achieved through the energy conversion.
Description
Technical Field
The invention relates to the technical field of processing of special textile accessories, in particular to a production process of a flyer presser finger aluminum product.
Background
The flyer presser aluminum part is a special textile part with a smooth and flat surface. In the preparation process of the flyer presser aluminum product, process defects often cause burrs on the surface of the flyer presser aluminum product to remain, and the remaining burrs in the spinning process can be hooked and entangled with silk threads, so that the normal running of the spinning operation is influenced. Therefore, cutting fluid needs to be introduced in the processing process of the flyer presser aluminum product, and in the processing processes of polishing, beating and the like of the flyer presser aluminum product by using tools, the cutting fluid can improve the lubricity between the cutter and the product and take away heat generated by processing, so that interface defects caused by heat accumulation are prevented, and the surface of the flyer presser aluminum product is flat and uniform.
Patent CN 106800963A discloses a water-soluble oil metal cutting fluid raw material and a metal cutting fluid, wherein alkyl ethanolamine with a carbon chain length of 4 is used for reacting with organic carboxylic acid in a system to generate amine soap, and the amine soap and oleyl alcohol polyoxyethylene ether containing polyoxyethylene chain segments with a polymerization degree of 3-8 are used together as a main emulsifier, so that base oil can obtain excellent emulsification balance in water; and the oleyl polyoxyethylene ether with the polymerization degree of 3-8 is selected to improve the long-term storage and high-temperature stability of the metal cutting fluid. Patent CN 106893622A provides an ether carboxylic acid compound agent of an aqueous cutting fluid, a preparation method and the aqueous cutting fluid, and the ether carboxylic acid compound agent is added into the aqueous cutting fluid, so that the problems of non-ideal foam and hard water resistance and high cost of the aqueous cutting fluid are solved. The lubricity of the cutting fluid is not optimized, and the technical problem of poor surface processing performance of a workpiece due to poor lubricity may occur in actual use.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problems solved by the present invention are: (1) the abrasion between the flyer presser finger aluminum product and a processing tool is reduced, and the surface quality of the flyer presser finger aluminum product is improved; (2) the dust and metal waste generated in the steps of polishing, punching and the like in the production process of the flyer presser aluminum product are reduced, and the noise generated in the processing process is reduced.
The cutting fluid can be combined with chips in the machining process of a metal workpiece, dust is prevented from being generated, heat generated by friction in the machining process can be rapidly transmitted, and the effects of lubrication and cooling are achieved. The inventor prepares and uses a noise reduction cutting fluid containing pentaerythritol stearate, polysaccharide phosphate and polyurethane emulsion in the production of a flyer presser aluminum part; pentaerythritol stearate contains polar groups, can adsorb and form stable lubricating film on the surface of an aluminum piece, and polysaccharide phosphate can react with the surface of the aluminum piece to form a film, so that the lubricity of the cutting fluid can be improved.
A production process of an aluminum part of a flyer presser comprises the following steps:
melting aluminum and casting an aluminum ingot to prepare a pressing palm, and polishing, dynamically balancing, spraying paint, drying and punching the pressing palm to prepare an aluminum assembly; the steel is machined into a steel assembly matched with the aluminum assembly, and the aluminum assembly and the steel assembly are assembled, subjected to ex-factory inspection, packaged and ex-factory to obtain the flyer presser aluminum part;
removing burrs by using vibration grinding after the casting and the paint spraying are finished; noise reduction cutting fluid is used in the polishing and punching procedures;
the noise reduction cutting fluid uses waterborne polyurethane with lubricating and noise reduction functions, wherein the waterborne polyurethane is a block polymer with molecular chain segments alternately composed of low glass transition segments and polar polyurethane segments, and L-tyrosine is used as a cross-linking point between the molecular chains.
Further preferably, the production process of the presser finger aluminum product comprises the following steps:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and noise reduction cutting fluid is used for reducing raised dust and noise in the processing process;
(3) spraying and painting the surface of the pressing palm, drying, then perforating, milling and filing to prepare an aluminum component, and reducing raised dust and noise by using noise reduction cutting fluid in the perforating treatment process;
(4) and (3) machining the steel into a steel assembly matched with the aluminum assembly, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum assembly and the steel assembly to obtain the flyer presser aluminum product.
Preferably, the operation parameters of the punching process are as follows: the pressing palm is put into a drill jig, a hole with phi 4.6mm is drilled to serve as an upper fulcrum and a lower fulcrum, the hole is reamed, and the roughness Ra of the hole is 12.5.
Preferably, the milling parameters are as follows: milling a lower fulcrum of 10-12 mm, milling an opening of 320mm, and milling an upper fulcrum of 8-10 mm; the roughness value Ra of the milling process was 6.3.
Preferably, the roughness value Ra of the rasped palm rod, the rasped palm yarn guide hole and the rasped palm leaf after sanding is 3.2.
Preferably, the weight of the presser finger aluminum product is 154.5-155.5 g.
The inventor notices that due to the existence of the long molecular chain in the molecule, the molecular chain of the polymer has certain mobility so as to play a role in lubrication, and can be applied to the preparation of cutting fluid; in addition, the polymer has certain absorption capacity on vibration energy, and can convert the vibration energy into heat energy and dissipate the heat energy, so that the polymer also has the potential of being applied as a noise reduction material. Since the cutting fluid has good thermal conductivity and the actual working temperature is lower than the glass transition temperature of the polymer, the polymer tends to show rigidity at the temperature, and the movement of the molecular chain of the polymer is limited at the moment, and the absorption capacity of the vibration energy is low, so that under the special working condition, the purpose of simultaneously keeping the lubricity and the noise reduction capacity of the polymer is very difficult.
In order to solve this technical problem, the inventors prepared an aqueous polyurethane whose molecular chain segment was composed of low glass transition segment and polar polyurethane segment alternately; as a block polymer, the waterborne polyurethane prepared by the invention has good low-temperature workability, and the glass transition of the waterborne polyurethane can occur in a wider temperature range. In the preparation process of the waterborne polyurethane, the inventor uses step-by-step polymerization, polyethylene glycol monobutyl ether provides an ether structure, 2-dimethylolpropionic acid and L-tyrosine provide a reactive group carboxyl, and polyol reacts with isocyanate to form the structure of the polyurethane. The L-tyrosine builds a three-dimensional structure of the waterborne polyurethane, and the L-tyrosine is polymerized with 2, 2-dimethylolpropionic acid to realize the extension of a molecular chain and is used as a cross-linking point between molecular chains to improve the uniformity of the waterborne polyurethane.
In the synthesis process, a hydrophobic fatty acid side chain is introduced into a molecular chain of the L-tyrosine, and hydrophobic interaction and hydrophobic association are generated on a main chain of the waterborne polyurethane, so that the hydrodynamic volume of the polymer is increased; as the hydrodynamic volume and the intrinsic viscosity are in positive correlation, the intrinsic viscosity is correspondingly increased, so that the waterborne polyurethane can keep better vibration energy/heat energy conversion capability at low temperature. L-tyrosine is taken as a cross-linking point between molecular chains to increase polar polyurethane segments, so that the entanglement degree of the molecular chain segments of the waterborne polyurethane is increased, the crystals formed by rigid chain segments are reduced, and the cohesive energy and hydrogen bonds of molecules are reduced; the reduction of hydrogen bonds is beneficial to reducing the restriction on the movement of the molecular chain, and under the condition, the macromolecular chain segment can convert more vibration energy into heat energy through relaxation motion.
After the waterborne polyurethane prepared by the invention is applied to the cutting fluid, the waterborne polyurethane can absorb vibration energy of noise and convert the vibration energy into heat energy, the heat energy is taken away by the cutting fluid with good heat conductivity, and the technical purpose of reducing processing noise can be achieved through the energy conversion.
Preferably, the preparation method of the noise reduction cutting fluid is as follows:
s1, mixing microcrystalline cellulose, carbamide and organic solvent for pre-reaction; after the pre-reaction is finished, adding phosphoric acid and carrying out esterification reaction; cooling to normal temperature after the esterification reaction is finished, filtering to obtain a filter cake, washing with alcohol, and drying to obtain polysaccharide phosphate;
s2, dissolving 2, 2-dimethylolpropionic acid in an organic solvent to obtain a reaction base solution; adding polyethylene glycol monobutyl ether, 1, 4-butanediol, isophorone diisocyanate and a catalyst into the reaction base solution, and carrying out prepolymerization reaction; after the prepolymerization reaction is finished, adding L-tyrosine to carry out polymerization reaction; after the polymerization reaction is finished, adjusting the pH value of a product to be neutral, removing an organic solvent through vacuum distillation to obtain waterborne polyurethane, and dispersing the waterborne polyurethane in water to obtain polyurethane emulsion;
s3 mixing pentaerythritol stearate, the polysaccharide phosphate, the polyurethane emulsion and water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
Further preferably, the preparation method of the noise reduction cutting fluid comprises the following steps of:
s1, mixing 1-2 parts of microcrystalline cellulose, 5-7.5 parts of carbamide and 50-75 parts of N, N-dimethylformamide for pre-reaction; after the pre-reaction is finished, adding 3.75-4.25 parts of phosphoric acid for esterification reaction; cooling to normal temperature after the esterification reaction is finished, filtering to obtain a filter cake, washing with alcohol for 3-5 times, and drying to obtain polysaccharide phosphate;
s2, dissolving 1.4-2.1 parts of 2, 2-dimethylolpropionic acid in 40-60 parts of acetone to obtain a reaction bottom liquid; continuously adding 3.1-6.2 parts of polyethylene glycol monobutyl ether, 0.9-1.2 parts of 1, 4-butanediol, 2.2-4.4 parts of isophorone diisocyanate and 0.005-0.01 part of dibutyltin dilaurate into the reaction base solution to perform prepolymerization reaction; after the prepolymerization reaction is finished, adding 3.6-4.8 parts of L-tyrosine to carry out polymerization reaction; after the polymerization reaction is finished, adjusting the pH value of the product to be neutral by using N, N-docosylmethylamine, removing acetone by vacuum distillation to obtain waterborne polyurethane, and dispersing the waterborne polyurethane in 15-30 parts of water to obtain polyurethane emulsion;
s3, mixing 1-2.5 parts of pentaerythritol stearate, 3-4.5 parts of polysaccharide phosphate, 15-25 parts of polyurethane emulsion and 75-100 parts of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
Preferably, the pre-reaction in the step S1 has a reaction temperature of 90-105 ℃ and a reaction time of 0.5-2 h.
Preferably, the reaction temperature of the esterification reaction in the step S1 is 135-150 ℃, and the reaction time is 2-6 h.
Preferably, the reaction temperature of the prepolymerization in the step S2 is 75-90 ℃, and the reaction time is 1-3 h.
Preferably, the polymerization reaction in the step S2 has a reaction temperature of 35 to 50 ℃ and a reaction time of 0.5 to 2 hours.
Preferably, in the step S3, the ultrasonic power of the ultrasonic dispersion is 550-850W, the ultrasonic frequency is 28-40 kHz, and the processing time is 5-15 min.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The introduction and the function of part of raw materials in the formula of the invention are as follows:
microcrystalline cellulose: the main component is a straight-chain polysaccharide substance combined by beta-1, 4-glucoside bonds, and is white, odorless and tasteless crystal powder which is formed by superfine rod-shaped or powdery porous particles which are free to flow and are obtained by hydrolyzing natural cellulose to the limit polymerization degree through dilute acid; the invention is used as a raw material for synthesizing polysaccharide phosphate.
And (3) carbonamide: urea, an organic compound consisting of carbon, nitrogen, oxygen, and hydrogen, is a white crystal; the invention is used as a raw material for synthesizing polysaccharide phosphate.
2, 2-dimethylolpropionic acid: an organic compound of formula C5H10O4Can be applied to the aspects of chemical engineering of leather materials, liquid crystals, printing ink, food additives, adhesives and the like; the polyurethane is used as a chain extender of waterborne polyurethane.
1, 4-butanediol: organic matter with molecular formula of C4H10O2Colorless or yellowish oily liquid, which can be dissolved in methanol, ethanol, acetone, and slightly soluble in diethyl ether, can be used as solvent and moisturizer, and can also be used for preparing plasticizer, medicine, polyester resin, polyurethane resin, etc.; the polyurethane is used as a raw material for synthesizing waterborne polyurethane.
Isophorone diisocyanate: the alicyclic diisocyanate is widely applied to the industries of plastics, adhesives, medicines, spices and the like; the polyurethane is used as a raw material for synthesizing waterborne polyurethane.
Dibutyltin dilaurate: the organic tin additive can be dissolved in organic solvents such as benzene, toluene, carbon tetrachloride, ethyl acetate, chloroform, acetone, petroleum ether and the like and all industrial plasticizers, is insoluble in water, is light yellow or colorless oily liquid at normal temperature, and forms white crystals at low temperature; the polyurethane is used as a raw material for synthesizing waterborne polyurethane.
The invention has the beneficial effects that:
compared with the prior art, the production process can reduce the abrasion of the flyer presser finger aluminum product and a processing tool and improve the surface quality of the flyer presser finger aluminum product; and dust and metal waste generated in the steps of polishing, punching and the like in the production process of the flyer presser aluminum product are reduced, and noise generated in the processing process is reduced.
Compared with the prior art, in the noise reduction cutting fluid prepared by the invention, L-tyrosine is used as a cross-linking point between molecular chains, so that a polar polyurethane segment is increased, the entanglement degree of the molecular chain segment of the waterborne polyurethane is increased, crystals formed by a rigid chain segment are reduced, and the molecular cohesive energy and hydrogen bonds are reduced; the reduction of hydrogen bonds is beneficial to reducing the restriction on the movement of the molecular chain, and under the condition, the macromolecular chain segment can convert more vibration energy into heat energy through relaxation motion.
Drawings
FIG. 1 is a flow chart of a manufacturing process of an aluminum part of a presser finger.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. Experimental procedures without specifying specific conditions in the following examples were selected in accordance with conventional procedures and conditions, or in accordance with commercial instructions.
Example 1
An ingot presser aluminum product is prepared by the following production process:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and the raised dust and noise are reduced by using cutting fluid in the processing process;
(3) the surface of the pressing palm is subjected to spraying, painting and drying, then punching is performed, then the pressing palm is milled and filed to prepare an aluminum component, and cutting fluid is used in the punching process to reduce raised dust and noise;
(4) and (3) machining the steel into a steel assembly matched with the aluminum assembly, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum assembly and the steel assembly to obtain the flyer presser aluminum product.
The operation parameters of the punching treatment are as follows: and putting the pressing palm into a drill jig, drilling a hole with phi 4.6mm serving as an upper fulcrum and a lower fulcrum, and spot facing, wherein the roughness Ra of the hole is 12.5.
The milling parameters are as follows: milling a lower support point 12mm, milling an opening 320mm, and milling an upper support point 8mm in thickness; the roughness value Ra of the milling process was 6.3.
The roughness value Ra of the rasp processing middle presser finger rod, the presser finger yarn guide hole and the presser finger blade after sanding is 3.2.
The weight of the presser finger aluminum article was 155 g.
The preparation method of the cutting fluid comprises the following steps:
s1 pre-reaction is carried out after 1.5kg of microcrystalline cellulose, 6.5kg of carbamide and 50kg of N, N-dimethylformamide are mixed; after the pre-reaction is finished, 3.75kg of phosphoric acid is added for esterification reaction; cooling to normal temperature after the esterification reaction is finished, filtering to obtain a filter cake, washing with ethanol for 3 times, and drying to obtain polysaccharide phosphate;
s2, mixing 2.5kg of pentaerythritol stearate, 3.5kg of polysaccharide phosphate and 75kg of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
The pre-reaction in the step S1 has the reaction temperature of 95 ℃ and the reaction time of 1 h.
The esterification reaction in the step S1 has the reaction temperature of 140 ℃ and the reaction time of 3 h.
In the step S2, the ultrasonic power of the ultrasonic dispersion is 550W, the ultrasonic frequency is 40kHz, and the processing time is 5 min.
Example 2
An ingot presser aluminum product is prepared by the following production process:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and noise reduction cutting fluid is used for reducing raised dust and noise in the processing process;
(3) spraying and painting the surface of the pressing palm, drying, then perforating, milling and filing to prepare an aluminum component, and reducing raised dust and noise by using noise reduction cutting fluid in the perforating treatment process;
(4) and (3) machining the steel into a steel component matched with the aluminum component, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum component and the steel component to obtain the flyer presser finger aluminum product.
The operation parameters of the punching treatment are as follows: and putting the pressing palm into a drill jig, drilling a hole with phi 4.6mm serving as an upper fulcrum and a lower fulcrum, and spot facing, wherein the roughness Ra of the hole is 12.5.
The milling parameters are as follows: milling a lower support point 12mm, milling an opening 320mm, and milling an upper support point 8mm in thickness; the roughness value Ra of the milling process was 6.3.
The roughness value Ra of the rasp processing middle presser finger rod, the presser finger yarn guide hole and the presser finger blade after sanding is 3.2.
The weight of the presser finger aluminum article was 155 g.
The preparation method of the noise reduction cutting fluid comprises the following steps:
s1 dissolving 2.1kg of 2, 2-dimethylolpropionic acid in 50kg of acetone to obtain a reaction bottom solution; continuously adding 6.2kg of polyethylene glycol monobutyl ether, 1.2kg of 1, 4-butanediol, 4.4kg of isophorone diisocyanate and 0.01kg of dibutyltin dilaurate into the reaction base solution to perform prepolymerization reaction; after the prepolymerization reaction, 4.8kg of L-tyrosine is added for polymerization reaction; after the polymerization reaction is finished, adjusting the pH value of the product to be neutral by using N, N-docosylmethylamine, removing acetone by vacuum distillation to obtain waterborne polyurethane, and dispersing the waterborne polyurethane in 25kg of water to obtain polyurethane emulsion;
s2, mixing 2.5kg of pentaerythritol stearate, 20kg of polyurethane emulsion and 75kg of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
The reaction temperature of the prepolymerization reaction in the step S1 is 80 ℃, and the reaction time is 2 h.
The polymerization reaction in step S1 was carried out at a reaction temperature of 40 ℃ for a reaction time of 1 hour.
In step S2, the ultrasonic power of the ultrasonic dispersion is 550W, the ultrasonic frequency is 40kHz, and the processing time is 5 min.
Example 3
An ingot wing presser aluminum product is prepared by the following production process:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and noise reduction cutting fluid is used in the processing process to reduce raised dust and noise;
(3) spraying and painting the surface of the pressing palm, drying, then perforating, milling and filing to prepare an aluminum component, and reducing raised dust and noise by using noise reduction cutting fluid in the perforating treatment process;
(4) and (3) machining the steel into a steel component matched with the aluminum component, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum component and the steel component to obtain the flyer presser finger aluminum product.
The operation parameters of the punching treatment are as follows: and putting the pressing palm into a drill jig, drilling a hole with phi 4.6mm serving as an upper fulcrum and a lower fulcrum, and spot facing, wherein the roughness Ra of the hole is 12.5.
The milling parameters are as follows: milling a lower support point 12mm, milling an opening 320mm, and milling an upper support point 8mm in thickness; the roughness value Ra of the mill was 6.3.
The roughness value Ra of the palm pressing rod, the palm pressing yarn guide hole and the palm pressing blade after sanding in the filing processing is 3.2.
The weight of the presser finger aluminum article was 155 g.
The preparation method of the noise reduction cutting fluid comprises the following steps:
s1 pre-reaction is carried out after 1.5kg of microcrystalline cellulose, 6.5kg of carbamide and 50kg of N, N-dimethylformamide are mixed; after the pre-reaction is finished, 3.75kg of phosphoric acid is added for esterification reaction; cooling to normal temperature after the esterification reaction is finished, filtering to obtain a filter cake, washing with ethanol for 3 times, and drying to obtain polysaccharide phosphate;
s2 dissolving 2.1kg of 2, 2-dimethylolpropionic acid in 50kg of acetone to obtain a reaction base solution; continuously adding 6.2kg of polyethylene glycol monobutyl ether, 1.2kg of 1, 4-butanediol, 4.4kg of isophorone diisocyanate and 0.01kg of dibutyltin dilaurate into the reaction base solution to perform prepolymerization reaction; after the prepolymerization reaction, 4.8kg of L-tyrosine is added for polymerization reaction; after the polymerization reaction is finished, adjusting the pH value of the product to be neutral by using N, N-docosylmethylamine, removing acetone by vacuum distillation to obtain waterborne polyurethane, and dispersing the waterborne polyurethane in 25kg of water to obtain polyurethane emulsion;
s3 mixing 2.5kg of pentaerythritol stearate, 3.5kg of polysaccharide phosphate, 20kg of polyurethane emulsion and 75kg of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
The pre-reaction in the step S1 has the reaction temperature of 95 ℃ and the reaction time of 1 h.
The reaction temperature of the esterification reaction in the step S1 is 140 ℃, and the reaction time is 3 h.
In the step S2, the reaction temperature of the prepolymerization is 80 ℃, and the reaction time is 2 h.
The polymerization reaction in step S2 was carried out at a reaction temperature of 40 ℃ for 1 hour.
In the step S3, the ultrasonic power of the ultrasonic dispersion is 550W, the ultrasonic frequency is 40kHz, and the processing time is 5 min.
Comparative example 1
An ingot presser aluminum product is prepared by the following production process:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and the raised dust and noise are reduced by using cutting fluid in the processing process;
(3) the surface of the pressing palm is subjected to spraying, painting and drying, then punching is performed, then the pressing palm is milled and filed to prepare an aluminum component, and cutting fluid is used in the punching process to reduce raised dust and noise;
(4) and (3) machining the steel into a steel component matched with the aluminum component, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum component and the steel component to obtain the flyer presser finger aluminum product.
The operation parameters of the punching treatment are as follows: and putting the pressing palm into a drill jig, drilling a hole with phi 4.6mm serving as an upper fulcrum and a lower fulcrum, and spot facing, wherein the roughness Ra of the hole is 12.5.
The milling parameters are as follows: milling a lower support point 12mm, milling an opening 320mm, and milling an upper support point 8mm in thickness; the roughness value Ra of the mill was 6.3.
The roughness value Ra of the rasp processing middle presser finger rod, the presser finger yarn guide hole and the presser finger blade after sanding is 3.2.
The weight of the presser finger aluminum article was 155 g.
The preparation method of the cutting fluid comprises the following steps:
mixing 2.5kg of pentaerythritol stearate with 75kg of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
The ultrasonic power of the ultrasonic dispersion is 550W, the ultrasonic frequency is 40kHz, and the processing time is 5 min.
Test example 1
The noise decibel of the processing step using the cutting fluid in the process is measured, and the noise test is carried out according to the specific requirements in GBJ 122-1988 Industrial Enterprise noise measurement Specification. The position of a measuring point is selected as the height of the ear position of a processing operator, the temperature of a testing environment is 25 ℃, and the relative humidity is 50%; the noise test uses an AWA6228+ type multifunctional sound level meter (provided by Qingdao Juanshan environmental protection group Co., Ltd.), and the sound level meter meets the standard requirement of GB/T3785.2-2010 part 2 type evaluation test of an electroacoustic sound level meter. The results of the noise test are shown in table 1.
TABLE 1
| Polishing noise (dB) | Punching noise (dB) | |
| Example 1 | 71 | 66 |
| Example 2 | 62 | 58 |
| Example 3 | 56 | 53 |
| Comparative example 1 | 73 | 69 |
It can be observed by testing the noise generated during the machining process that the decibel of the noise generated during the machining process is reduced after the noise reduction cutting fluid is used, wherein the best noise reduction effect is achieved in the embodiment 3. This phenomenon may be caused by the fact that in the noise reduction cutting fluid used in example 3, L-tyrosine increased the number of polar polyurethane segments as a cross-linking point between molecular chains, which increased the degree of entanglement of the molecular segments of the aqueous polyurethane and decreased the formation of crystals of the rigid segment, and consequently, the intramolecular cohesive energy and hydrogen bonding were decreased; the reduction of hydrogen bonds is beneficial to reducing the restriction on the movement of the molecular chain, and under the condition, the macromolecular chain segment can convert more vibration energy into heat energy through relaxation motion.
Test example 2
The viscosity test of the cutting fluid prepared by the invention is carried out according to the specific requirements in GB/T22235-; the surface tension test of the cutting fluid is carried out according to the specific requirements in GB/T22237-2008 'determination of surface tension of surfactant'. The surface tension test used a ring method, the ring being made of platinum wire and having a thickness of 0.4mm and a circumference of 60mm, the ring being horizontally suspended from a wire frame on a metal rod connected to a tensiometer. The test environment temperature is 25 ℃ and the relative humidity is 50%. The results of the viscosity and surface tension tests of the cutting fluids are shown in table 2.
TABLE 2
| Viscosity (mPa. s) | Surface tension (mN/m) | |
| Example 1 | 1.15 | 36 |
| Example 2 | 1.07 | 34 |
| Example 3 | 1.02 | 31 |
| Comparative example 1 | 1.18 | 38 |
The permeability and heat dissipation of the cutting fluid are affected by viscosity and surface tension; therefore, viscosity and surface tension are important factors affecting the cooling and lubricating performance of the cutting fluid. As can be seen from the test results in Table 2, example 3 has the lowest viscosity and surface tension, and the liquid with low surface tension has a small contact angle on the solid surface and is easy to diffuse and permeate into the contact gap between the cutter and the workpiece; example 3 had a viscosity of 1.02 mPas, good fluidity and good lubricating and cooling effects.
Claims (10)
1. A production process of an aluminum part of a flyer presser is characterized by comprising the following steps:
melting aluminum and casting an aluminum ingot to prepare a pressing palm, and polishing, dynamically balancing, spraying paint, drying and punching the pressing palm to prepare an aluminum assembly; the steel is processed into a steel component matched with the aluminum component, and the aluminum component and the steel component are assembled, subjected to delivery inspection, product packaging and delivered to obtain the flyer presser finger aluminum product;
removing burrs by using vibration grinding after the casting and the paint spraying are finished; noise reduction cutting fluid is used in the polishing and punching procedures;
the noise reduction cutting fluid uses waterborne polyurethane with lubricating and noise reduction functions, wherein the waterborne polyurethane is a block polymer with molecular chain segments alternately composed of low glass transition segments and polar polyurethane segments, and L-tyrosine is used as a cross-linking point between the molecular chains.
2. A process for the production of a presser finger aluminium article according to claim 1, comprising the steps of:
(1) melting aluminum and casting an aluminum ingot to prepare a pressing palm, and removing flash burrs on the pressing palm by using vibration grinding;
(2) polishing and dynamic balance processing are carried out on the pressing palm, and noise reduction cutting fluid is used for reducing raised dust and noise in the processing process;
(3) the surface of the pressing palm is subjected to spraying, painting and drying, then punching is performed, then the pressing palm is milled and filed to prepare an aluminum component, and noise reduction cutting fluid is used in the punching process to reduce raised dust and noise;
(4) and (3) machining the steel into a steel component matched with the aluminum component, and assembling, ex-factory inspection, product packaging and ex-factory of the aluminum component and the steel component to obtain the flyer presser finger aluminum product.
3. A process for the production of presser finger aluminium articles according to claim 2, wherein the perforation process operating parameters are: and putting the pressing palm into a drill jig, drilling a hole with phi 4.6mm serving as an upper fulcrum and a lower fulcrum, and spot facing, wherein the roughness Ra of the hole is 12.5.
4. A process for the production of a presser finger aluminium article according to claim 2, wherein the milling parameters are as follows: milling a lower fulcrum of 10-12 mm, milling an open file of 320mm, and milling an upper fulcrum of 8-10 mm in thickness; the roughness value Ra of the milling process was 6.3.
5. A process for the production of a presser finger aluminium article according to claim 2, wherein: the roughness value Ra of the rasp processing middle presser finger rod, the presser finger yarn guide hole and the presser finger blade after sanding is 3.2.
6. The process for producing a presser finger aluminum article according to claim 2, wherein the noise reduction cutting fluid is prepared by the following method in parts by weight:
s1 mixing 1-2 parts of microcrystalline cellulose, 5-7.5 parts of carbamide and 50-75 parts of N, N-dimethylformamide for pre-reaction; after the pre-reaction is finished, adding 3.75-4.25 parts of phosphoric acid for esterification reaction; cooling to normal temperature after the esterification reaction is finished, filtering to obtain a filter cake, washing with alcohol for 3-5 times, and drying to obtain polysaccharide phosphate;
s2, dissolving 1.4-2.1 parts of 2, 2-dimethylolpropionic acid in 40-60 parts of acetone to obtain a reaction bottom liquid; continuously adding 3.1-6.2 parts of polyethylene glycol monobutyl ether, 0.9-1.2 parts of 1, 4-butanediol, 2.2-4.4 parts of isophorone diisocyanate and 0.005-0.01 part of dibutyltin dilaurate into the reaction base solution to perform prepolymerization reaction; after the prepolymerization reaction is finished, adding 3.6-4.8 parts of L-tyrosine to carry out polymerization reaction; after the polymerization reaction is finished, adjusting the pH value of the product to be neutral by using N, N-docosylmethylamine, removing acetone by vacuum distillation to obtain waterborne polyurethane, and dispersing the waterborne polyurethane in 15-30 parts of water to obtain polyurethane emulsion;
s3, mixing 1-2.5 parts of pentaerythritol stearate, 3-4.5 parts of polysaccharide phosphate, 15-25 parts of polyurethane emulsion and 75-100 parts of water, and performing ultrasonic dispersion to obtain the noise reduction cutting fluid.
7. A process for the production of a presser finger aluminium article according to claim 6, wherein: in the step S1, the pre-reaction temperature is 90-105 ℃, and the reaction time is 0.5-2 h.
8. A process for the production of a presser finger aluminium article according to claim 6, wherein: the esterification reaction in the step S1 is carried out at the reaction temperature of 135-150 ℃ for 2-6 h.
9. A process for the production of a presser finger aluminium article according to claim 6, wherein: the reaction temperature of the prepolymerization reaction in the step S2 is 75-90 ℃, and the reaction time is 1-3 h.
10. A process for the production of a presser finger aluminium article according to claim 6, wherein: the polymerization reaction in the step S2 has a reaction temperature of 35-50 ℃ and a reaction time of 0.5-2 h.
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