CN108004479A - A kind of processing technology of connecting flange - Google Patents

A kind of processing technology of connecting flange Download PDF

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Publication number
CN108004479A
CN108004479A CN201711359587.5A CN201711359587A CN108004479A CN 108004479 A CN108004479 A CN 108004479A CN 201711359587 A CN201711359587 A CN 201711359587A CN 108004479 A CN108004479 A CN 108004479A
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Prior art keywords
parts
connecting flange
casting
coating
processing technology
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Inventor
刘浩
张欢芬
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Suzhou Hao Yan Precision Mold Ltd Co
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Suzhou Hao Yan Precision Mold Ltd Co
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Priority to CN201711359587.5A priority Critical patent/CN108004479A/en
Publication of CN108004479A publication Critical patent/CN108004479A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/42—Electroplating: Baths therefor from solutions of light metals
    • C25D3/44—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of processing technology of connecting flange, belong to valve arrangement technical field.The processing technology includes (i) dispensing；(ii) prepared by shell mold；(iii) pour into a mould；(iv) grinding and buffing is carried out to casting；(v) fine aluminium coating is electroplated in cast(ing) surface；(vi) the method coating refractory coating for passing through atomizing spraying in fine aluminium coating；(vii) casting non-using face parcel high flame resistance cross-linking radiation polyolefine material protective layer.The connecting flange of ingredient percent casting using the present invention has the advantages that corrosion-resistant, high temperature resistant, intensity are high and service life is long.

Description

A kind of processing technology of connecting flange
Technical field
The present invention relates to a kind of processing technology of connecting flange, belong to technical field of pipeline connection.
Background technology
Flange is called ring flange or bead, and the part for making pipe be connected with each other with pipe, is connected to pipe end.There is hole on flange Eye, can wear bolt, and the hole for typically referring to open several fixations on the periphery of the metallic object of a similar plate-like is used to connect it Its thing.Existing flanged joint is exactly two pipelines, pipe fitting or equipment, is first individually fixed on a ring flange, two Between a ring flange, plus flange gasket, tightened together with bolt, complete connection.Flanged joint is the important company of pipeline construction Mode is connect, flanged joint is easy to use, can bear larger pressure, and in industrial pipeline, the use of flanged joint is very wide It is general.
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting Or the function such as overflow pressure relief；The application of flange is commonplace in valve, commonly used in the inlet and outlet of connecting valve, at present Valve do not have fire resistance with flange, simple in structure, service life is short.
The content of the invention
The technical problem to be solved in the present invention is in view of the shortcomings of the prior art, propose a kind of processing technology of connecting flange.
The present invention is to solve the technical solution that above-mentioned technical problem proposes to be：A kind of processing technology of connecting flange, including Following steps：
(i) dispensing：The mass percent of each component is in the connecting flange：C：0.02-0.03%, Al:3.12-4.55%,Zn: 2.15-2.57%,Mn：0.82-1.35%, Cr：0.01-0.03%, Ni：0.01-0.04%, Cu：1.23-1.46%, Mo：0.01- 0.02%, Pd：0.15-0.22%,Pt：0.06-0.08%,Nd：0.02-0.04%,Ce：0.02-0.05%,Eu：0.11-0.12%, Lu:0.02-0.06%, Ag:0.33-0.56%, Ga：0.01-0.03%, Sn：0.35-0.44%, Zr：0.02-0.05%, Re： 0.02-0.05%, Bi：0.01-0.04%, surplus Fe；
(ii) prepared by shell mold：Make the shell mold consistent with the moulding of connecting flange；
(iii) pour into a mould：By step (i) in raw material melting, poured into a mould into shell mold after obtaining alloy solution, after moulding by casting, treated Casting is cooled to room temperature, carries out the broken formwork demoulding, cuts off the insulated feeder of casting afterwards, obtain casting；
(iv) grinding and buffing is carried out to casting；
(v) fine aluminium coating is electroplated in cast(ing) surface, fine aluminium thickness of coating is 80 ± 20 μm；
(vi) the method coating refractory coating in fine aluminium coating by atomizing spraying, coating spraying thickness 0.5-0.9mm；
The refractory coating its raw material composition includes by weight：Magnesia：12~14 parts；Aluminium oxide：5~8 parts；Zinc oxide：4 ~9 parts；Zinc borate：3~8 parts；Coupling agent：2~5 parts；Carbon black：1~4 part；Clay：17~19 parts；Diatomite：6~8 parts；Institute It is the methylvinyl organopolysiloxane that vinyl molar fraction is 0.15~0.18% to state coupling agent；
(vii) casting non-using face parcel high flame resistance cross-linking radiation polyolefine material protective layer, be made connecting flange； The mass percent of each component is in the cross-linking radiation polyolefine material protective layer of the high flame resistance：Aluminium oxide 3-5%, height Molecule plasticizer 5-7%, antioxidant 3-5%, sensitizer 2-4%, sensitizer 1-3%, fire retardant 4-6%, colouring agent 5-7%, Surplus is crosslinkable polyolefin base-material.
The improvement of above-mentioned technical proposal is：(i) the mass percent of each component is the step in middle connecting flange：C： 0.02%, Al:3.12%,Zn:2.15%,Mn：0.82%, Cr：0.01%, Ni：0.01%, Cu：1.23%, Mo：0.01%, Pd： 0.15%,Pt：0.06%,Nd：0.02%,Ce：0.02%,Eu：0.11%,Lu:0.02%, Ag:0.33%, Ga：0.01%, Sn： 0.35%, Zr：0.02%, Re：0.02%, Bi：0.01%, surplus Fe.
The improvement of above-mentioned technical proposal is：(i) the mass percent of each component is the step in middle connecting flange：C： 0.03%, Al:4.55%,Zn:2.57%,Mn：1.35%, Cr：0.03%, Ni：0.04%, Cu：1.46%, Mo：0.02%, Pd： 0.22%,Pt：0.08%,Nd：0.04%,Ce：0.05%,Eu：0.12%,Lu:0.06%, Ag:0.56%, Ga：0.03%, Sn： 0.44%, Zr：0.05%, Re：0.05%, Bi：0.04%, surplus Fe.
The improvement of above-mentioned technical proposal is：Step (vi) described in refractory coating its raw material composition include by weight：Oxidation Magnesium：13 parts；Aluminium oxide：6 parts；Zinc oxide：5 parts；Zinc borate：4 parts；Coupling agent：3 parts；Carbon black：2 parts；Clay：18 parts；Diatom Soil：7 parts；The coupling agent is the methylvinyl organopolysiloxane that vinyl molar fraction is 0.16%.
The improvement of above-mentioned technical proposal is：Step (vii) described in high flame resistance cross-linking radiation polyolefine material protective layer In the mass percent of each component be：Aluminium oxide 5%, polymeric plasticizer 6%, antioxidant 4%, sensitizer 4%, sensitizer 2%th, fire retardant 5%, colouring agent 6%, surplus are crosslinkable polyolefin base-material.
It is of the invention to be using the beneficial effect of above-mentioned technical proposal：（1）Ingredient percent casting using the present invention Connecting flange have the advantages that corrosion-resistant, high temperature resistant, intensity are high and service life is long；（2）Since raw material contains Zn, Ni, add The strong corrosion resistance of flange, also added rare earth element in raw material, further increases the mechanical property and corrosion resistant of flange Corrosion energy（3）Grinding and buffing is carried out to casting so that the casting reached is finer；（4）Invention passes through on the surface of flange The method coating refractory coating of atomizing spraying, has one layer of refractory coating again outside fine aluminium coating so that flange not only has resistance to Corrosive nature, is also provided with fire resistance, substantially prolongs service life, ensure that the stabilization of work；（5）Invention is in casting The cross-linking radiation polyolefine material protective layer of non-using face parcel high flame resistance so that the fire-retardant and fire resistance of flange is into one Step lifting, extends service life, ensure that the stabilization of work.
Embodiment
Embodiment one
The processing technology of the connecting flange of the present embodiment comprises the following steps：
(i) dispensing：The mass percent of each component is in the connecting flange：：C：0.02%, Al:3.12%,Zn:2.15%,Mn： 0.82%, Cr：0.01%, Ni：0.01%, Cu：1.23%, Mo：0.01%, Pd：0.15%,Pt：0.06%,Nd：0.02%,Ce： 0.02%,Eu：0.11%,Lu:0.02%, Ag:0.33%, Ga：0.01%, Sn：0.35%, Zr：0.02%, Re：0.02%, Bi： 0.01%, surplus Fe；
(ii) prepared by shell mold：Make the shell mold consistent with the moulding of connecting flange；
(iii) pour into a mould：By step (i) in raw material melting, poured into a mould into shell mold after obtaining alloy solution, after moulding by casting, treated Casting is cooled to room temperature, carries out the broken formwork demoulding, cuts off the insulated feeder of casting afterwards, obtain casting；
(iv) grinding and buffing is carried out to casting；
(v) fine aluminium coating is electroplated in cast(ing) surface, fine aluminium thickness of coating is 80 ± 20 μm；
(vi) the method coating refractory coating in fine aluminium coating by atomizing spraying, coating spraying thickness 0.5-0.9mm；
The refractory coating its raw material composition includes by weight：Magnesia：13 parts；Aluminium oxide：6 parts；Zinc oxide：5 parts；Boric acid Zinc：4 parts；Coupling agent：3 parts；Carbon black：2 parts；Clay：18 parts；Diatomite：7 parts；The coupling agent is that vinyl molar fraction is 0.16% methylvinyl organopolysiloxane；
(vii) casting non-using face parcel high flame resistance cross-linking radiation polyolefine material protective layer, be made connecting flange； The mass percent of each component is in the cross-linking radiation polyolefine material protective layer of the high flame resistance：Aluminium oxide 5%, high score Sub- plasticizer 6%, antioxidant 4%, sensitizer 4%, sensitizer 2%, fire retardant 5%, colouring agent 6%, surplus are cross-linking poly- Alkene base-material.
Embodiment two
The processing technology of the connecting flange of the present embodiment comprises the following steps：
(i) dispensing：The mass percent of each component is in the connecting flange：C：0.03%, Al:4.55%,Zn:2.57%,Mn： 1.35%, Cr：0.03%, Ni：0.04%, Cu：1.46%, Mo：0.02%, Pd：0.22%,Pt：0.08%,Nd：0.04%,Ce： 0.05%,Eu：0.12%,Lu:0.06%, Ag:0.56%, Ga：0.03%, Sn：0.44%, Zr：0.05%, Re：0.05%, Bi： 0.04%, surplus Fe；
(ii) prepared by shell mold：Make the shell mold consistent with the moulding of connecting flange；
(iii) pour into a mould：By step (i) in raw material melting, poured into a mould into shell mold after obtaining alloy solution, after moulding by casting, treated Casting is cooled to room temperature, carries out the broken formwork demoulding, cuts off the insulated feeder of casting afterwards, obtain casting；
(iv) grinding and buffing is carried out to casting；
(v) fine aluminium coating is electroplated in cast(ing) surface, fine aluminium thickness of coating is 80 ± 20 μm；
(vi) the method coating refractory coating in fine aluminium coating by atomizing spraying, coating spraying thickness 0.5-0.9mm；
The refractory coating its raw material composition includes by weight：Magnesia：13 parts；Aluminium oxide：6 parts；Zinc oxide：5 parts；Boric acid Zinc：4 parts；Coupling agent：3 parts；Carbon black：2 parts；Clay：18 parts；Diatomite：7 parts；The coupling agent is that vinyl molar fraction is 0.16% methylvinyl organopolysiloxane；
(vii) casting non-using face parcel high flame resistance cross-linking radiation polyolefine material protective layer, be made connecting flange； The mass percent of each component is in the cross-linking radiation polyolefine material protective layer of the high flame resistance：Aluminium oxide 5%, high score Sub- plasticizer 6%, antioxidant 4%, sensitizer 4%, sensitizer 2%, fire retardant 5%, colouring agent 6%, surplus are cross-linking poly- Alkene base-material.
The present invention is not limited to above-described embodiment.All technical solutions formed using equivalent substitution, all falling within the present invention will The protection domain asked.

Claims (5)

  1. A kind of 1. processing technology of connecting flange, it is characterised in that:Comprise the following steps：
    (i) dispensing：The mass percent of each component is in the connecting flange：C：0.02-0.03%, Al:3.12-4.55%,Zn: 2.15-2.57%,Mn：0.82-1.35%, Cr：0.01-0.03%, Ni：0.01-0.04%, Cu：1.23-1.46%, Mo：0.01- 0.02%, Pd：0.15-0.22%,Pt：0.06-0.08%,Nd：0.02-0.04%,Ce：0.02-0.05%,Eu：0.11-0.12%, Lu:0.02-0.06%, Ag:0.33-0.56%, Ga：0.01-0.03%, Sn：0.35-0.44%, Zr：0.02-0.05%, Re： 0.02-0.05%, Bi：0.01-0.04%, surplus Fe；
    (ii) prepared by shell mold：Make the shell mold consistent with the moulding of connecting flange；
    (iii) pour into a mould：By step (i) in raw material melting, poured into a mould into shell mold after obtaining alloy solution, after moulding by casting, treated Casting is cooled to room temperature, carries out the broken formwork demoulding, cuts off the insulated feeder of casting afterwards, obtain casting；
    (iv) grinding and buffing is carried out to casting；
    (v) fine aluminium coating is electroplated in cast(ing) surface, fine aluminium thickness of coating is 80 ± 20 μm；
    (vi) the method coating refractory coating in fine aluminium coating by atomizing spraying, coating spraying thickness 0.5-0.9mm；
    The refractory coating its raw material composition includes by weight：Magnesia：12~14 parts；Aluminium oxide：5~8 parts；Zinc oxide：4 ~9 parts；Zinc borate：3~8 parts；Coupling agent：2~5 parts；Carbon black：1~4 part；Clay：17~19 parts；Diatomite：6~8 parts；Institute It is the methylvinyl organopolysiloxane that vinyl molar fraction is 0.15~0.18% to state coupling agent；
    (vii) casting non-using face parcel high flame resistance cross-linking radiation polyolefine material protective layer, be made connecting flange； The mass percent of each component is in the cross-linking radiation polyolefine material protective layer of the high flame resistance：Aluminium oxide 3-5%, height Molecule plasticizer 5-7%, antioxidant 3-5%, sensitizer 2-4%, sensitizer 1-3%, fire retardant 4-6%, colouring agent 5-7%, Surplus is crosslinkable polyolefin base-material.
  2. 2. the processing technology of connecting flange according to claim 1, it is characterised in that:The step is (i) in middle connecting flange The mass percent of each component is：C：0.02%, Al:3.12%,Zn:2.15%,Mn：0.82%, Cr：0.01%, Ni：0.01%, Cu： 1.23%, Mo：0.01%, Pd：0.15%,Pt：0.06%,Nd：0.02%,Ce：0.02%,Eu：0.11%,Lu:0.02%, Ag: 0.33%, Ga：0.01%, Sn：0.35%, Zr：0.02%, Re：0.02%, Bi：0.01%, surplus Fe.
  3. 3. the processing technology of connecting flange according to claim 1, it is characterised in that:The step is (i) in middle connecting flange The mass percent of each component is：C：0.03%, Al:4.55%,Zn:2.57%,Mn：1.35%, Cr：0.03%, Ni：0.04%, Cu： 1.46%, Mo：0.02%, Pd：0.22%,Pt：0.08%,Nd：0.04%,Ce：0.05%,Eu：0.12%,Lu:0.06%, Ag: 0.56%, Ga：0.03%, Sn：0.44%, Zr：0.05%, Re：0.05%, Bi：0.04%, surplus Fe.
  4. 4. the processing technology of connecting flange according to claim 1, it is characterised in that:Step (vi) described in refractory coating its Raw material composition includes by weight：Magnesia：13 parts；Aluminium oxide：6 parts；Zinc oxide：5 parts；Zinc borate：4 parts；Coupling agent：3 parts； Carbon black：2 parts；Clay：18 parts；Diatomite：7 parts；The coupling agent is the methyl ethylene that vinyl molar fraction is 0.16% Organopolysiloxane.
  5. 5. the processing technology of connecting flange according to claim 1, it is characterised in that:Step (vii) described in high flame resistance Cross-linking radiation polyolefine material protective layer in the mass percent of each component be：Aluminium oxide 5%, polymeric plasticizer 6%, resist Oxygen agent 4%, sensitizer 4%, sensitizer 2%, fire retardant 5%, colouring agent 6%, surplus are crosslinkable polyolefin base-material.
CN201711359587.5A 2017-12-17 2017-12-17 A kind of processing technology of connecting flange Pending CN108004479A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109227295A (en) * 2018-10-26 2019-01-18 大连理工高邮研究院有限公司 Rear axle of electric automobile flange grinding device, polishing process and post-processing approach

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077783A (en) * 2013-01-28 2013-05-01 常州市新东方电缆有限公司 Production process of cable for high-speed train
CN106247058A (en) * 2016-07-29 2016-12-21 盐城丰工机械有限公司 A kind of multi-pipeline adpting flange

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103077783A (en) * 2013-01-28 2013-05-01 常州市新东方电缆有限公司 Production process of cable for high-speed train
CN106247058A (en) * 2016-07-29 2016-12-21 盐城丰工机械有限公司 A kind of multi-pipeline adpting flange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109227295A (en) * 2018-10-26 2019-01-18 大连理工高邮研究院有限公司 Rear axle of electric automobile flange grinding device, polishing process and post-processing approach

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