CN107716932A - The method that counterweight peculiar to vessel is prepared with injection molding technology - Google Patents

The method that counterweight peculiar to vessel is prepared with injection molding technology Download PDF

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Publication number
CN107716932A
CN107716932A CN201710719501.9A CN201710719501A CN107716932A CN 107716932 A CN107716932 A CN 107716932A CN 201710719501 A CN201710719501 A CN 201710719501A CN 107716932 A CN107716932 A CN 107716932A
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CN
China
Prior art keywords
counterweight
hour
peculiar
vessel
powder
Prior art date
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.)
Withdrawn
Application number
CN201710719501.9A
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Chinese (zh)
Inventor
吴海玲
何圣嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIUZHOU KEERTE FORGING MACHINERY Co Ltd
Original Assignee
LIUZHOU KEERTE FORGING MACHINERY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LIUZHOU KEERTE FORGING MACHINERY Co Ltd filed Critical LIUZHOU KEERTE FORGING MACHINERY Co Ltd
Priority to CN201710719501.9A priority Critical patent/CN107716932A/en
Publication of CN107716932A publication Critical patent/CN107716932A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum

Abstract

The invention discloses a kind of method that counterweight peculiar to vessel is prepared with injection molding technology, it is related to marine machinery manufacturing technology field.It is this counterweight peculiar to vessel is prepared with injection molding technology method be：A, batch mixing：Tungsten powder is mixed in proportion with one or more kinds of powder of nickel, iron, copper, cobalt, molybdenum, chromium, wherein tungsten powder accounting is 85%~99%, standby after vacuum drying；B, it is injection moulded：Mixed-powder obtained by step A is heated to 2200 DEG C~2300 DEG C under inert gas shielding, and into flow regime after heating 0.5~1 hour, shape needed for cooling down to obtain then is injected into die cavity has certain rigid base substrate；C, fire：Sintered being put into obtained by step B in the high temperature sintering furnace of hydrogen shield 1 hour~2 hours at 1400 DEG C~1500 DEG C.The present invention solves the problems, such as that complex process, integrated artistic process cycle are longer.

Description

The method that counterweight peculiar to vessel is prepared with injection molding technology
Technical field
The present invention relates to marine machinery manufacturing technology field, especially one kind to prepare counterweight peculiar to vessel with injection molding technology Method.
Background technology
Ship weight in water is inadequate, easy shipwreck, particularly in strong wind.When the goods that the ship of navigation delivers has arrived spy Behind fixed harbour, goods will be removed.In order to keep the vertical of ship, it is therefore necessary to fill the high thing of the big proportion of some density To do counterweight.In large-scale modern ships, keel often be made of high specific gravity material or the counterweight equipped with such material such as Lead, but lead is also easy to produce pollution.And tungsten alloy has 16.5g/cm3~18.75 g/cm3Density, it is higher than lead by about 65%, compare iron It is high by about 130%, and with weak ferromagnetism, anticorrosive and nontoxic, and high mechanical properties, dynamic or static installation are suitable for, has been got over To be more used for steamer counterweight.
Usual preparation method is to use powder pressing technique productions, i.e., tungsten-base alloy powder is fitted into mould, one Shaping forms pressed compact under constant-pressure, then carries out ungrease treatment, finally sinters pressed compact at high temperature to obtain counterweight.It is but de- Fat and sintering process are complicated, soaking time length, as skimming processes be first pressed compact is put into trichloro ethylene liquid be heated to 40~ 60 DEG C are incubated 3~6 hours, then will be put into again in debinding furnace, with 10~15 DEG C/min heating under inert gas shielding Speed is heated to 200~350 DEG C and is incubated 0.5~2 hour, then proceedes to be warming up to 450~600 DEG C and insulation 0.5~2 Hour.Cause integrated artistic process cycle longer.
The content of the invention
The present invention provides a kind of method that counterweight peculiar to vessel is prepared with injection molding technology, it can solve complex process, The problem of integrated artistic process cycle is longer.
In order to solve the above problems, the technical solution adopted in the present invention is：It is this prepared with injection molding technology it is peculiar to vessel The method of counterweight, comprises the following steps：
A, batch mixing：Tungsten powder is mixed in proportion with one or more kinds of powder of nickel, iron, copper, cobalt, molybdenum, chromium, wherein tungsten powder Accounting is 85%~99%, standby after vacuum drying；
B, it is injection moulded：Mixed-powder obtained by step A is heated to 2200 DEG C~2300 DEG C under inert gas shielding, heating Into flow regime after 0.5 hour~1 hour, then it is injected into die cavity and cools down to obtain having necessarily just for required shape The base substrate of property；
C, fire：Sintered being put into obtained by step B in the high temperature sintering furnace of hydrogen shield 1 hour at 1400 DEG C~1500 DEG C ~2 hours, cool down and produce.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
The present invention need not carry out the skimming processes of complex process, it is only necessary to 2200 DEG C~2300 are heated under inert gas shielding DEG C, into being once injection moulded after flow regime after heating 0.5~1 hour, method is simple；Meanwhile with the injection molding technology system Into tungsten alloy counterweight peculiar to vessel mechanicalness and corrosion resistance it is similar to the wrought alloy of identical component, but surface more light It is sliding, and density is high by 95%~98%.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described：
Embodiment one：
This method that counterweight peculiar to vessel is prepared with injection molding technology, comprises the following steps：
A, batch mixing：97kg tungsten powders and 2kg nickel, 1kg iron powder mix are taken, it is standby after vacuum drying；
B, it is injection moulded：Mixed-powder obtained by step A is heated to 2200 DEG C under inert gas shielding, heated 0.5 hour Afterwards into flow regime, be then injected into die cavity shape needed for cooling down to obtain has certain rigid base substrate；
C, fire：Sintered being put into obtained by step B in the high temperature sintering furnace of hydrogen shield 2 hours at 1400 DEG C, cooling is .
Obtained counterweight density is 18.4 g/cm3~18.5g/cm3。
Embodiment two：
This method that counterweight peculiar to vessel is prepared with injection molding technology, comprises the following steps：
A, batch mixing：98kg tungsten powders and 1kg nickel, 1kg iron powder mix are taken, it is standby after vacuum drying；
B, it is injection moulded：Mixed-powder obtained by step A is heated to 2300 DEG C under inert gas shielding, heated 0.5 hour Afterwards into flow regime, be then injected into die cavity shape needed for cooling down to obtain has certain rigid base substrate；
C, fire：Sintered being put into obtained by step B in the high temperature sintering furnace of hydrogen shield 1 hour at 1500 DEG C, cooling is .
Obtained counterweight density is 18.4 g/cm3~18.6g/cm3。

Claims (1)

  1. A kind of 1. method that counterweight peculiar to vessel is prepared with injection molding technology, it is characterised in that comprise the following steps：
    A, batch mixing：Tungsten powder is mixed in proportion with one or more kinds of powder of nickel, iron, copper, cobalt, molybdenum, chromium, wherein tungsten powder Accounting is 85%~99%, standby after vacuum drying；
    B, it is injection moulded：Mixed-powder obtained by step A is heated to 2200 DEG C~2300 DEG C under inert gas shielding, heating Into flow regime after 0.5 hour~1 hour, then it is injected into die cavity and cools down to obtain having necessarily just for required shape The base substrate of property；
    C, fire：Sintered being put into obtained by step B in the high temperature sintering furnace of hydrogen shield 1 hour at 1400 DEG C~1500 DEG C ~2 hours.
CN201710719501.9A 2017-08-21 2017-08-21 The method that counterweight peculiar to vessel is prepared with injection molding technology Withdrawn CN107716932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710719501.9A CN107716932A (en) 2017-08-21 2017-08-21 The method that counterweight peculiar to vessel is prepared with injection molding technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710719501.9A CN107716932A (en) 2017-08-21 2017-08-21 The method that counterweight peculiar to vessel is prepared with injection molding technology

Publications (1)

Publication Number Publication Date
CN107716932A true CN107716932A (en) 2018-02-23

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CN201710719501.9A Withdrawn CN107716932A (en) 2017-08-21 2017-08-21 The method that counterweight peculiar to vessel is prepared with injection molding technology

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CN (1) CN107716932A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110527886A (en) * 2019-09-02 2019-12-03 广州市华司特合金制品有限公司 A kind of clock and watch are again vertical and preparation method thereof
CN112410633A (en) * 2020-11-09 2021-02-26 山东金珠材料科技有限公司 Y-shaped fragile tungsten-based material
CN112481539A (en) * 2020-11-12 2021-03-12 苏州欧美克合金工具有限公司 High-specific-gravity tungsten alloy material and preparation method thereof
CN112522562A (en) * 2020-11-09 2021-03-19 山东金珠材料科技有限公司 H-type fragile tungsten-based material
CN114247885A (en) * 2021-12-24 2022-03-29 宁波振华新材料有限公司 Manufacturing method of tungsten alloy mass block for linear vibration motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1133764A (en) * 1996-01-19 1996-10-23 冶金工业部钢铁研究总院 Method for producing high-gravity alloy manufactured product
CN1203131A (en) * 1997-06-19 1998-12-30 陈吉彪 Metallic powder injection moulding process
CN1289658A (en) * 2000-09-13 2001-04-04 湖南英捷高科技有限责任公司 Technology for making high-specific-weight alloy parts in different shapes
CN103157791A (en) * 2013-04-01 2013-06-19 青岛宝泰物资有限公司 Composite ball made by tungsten and high polymer material and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1133764A (en) * 1996-01-19 1996-10-23 冶金工业部钢铁研究总院 Method for producing high-gravity alloy manufactured product
CN1203131A (en) * 1997-06-19 1998-12-30 陈吉彪 Metallic powder injection moulding process
CN1289658A (en) * 2000-09-13 2001-04-04 湖南英捷高科技有限责任公司 Technology for making high-specific-weight alloy parts in different shapes
CN103157791A (en) * 2013-04-01 2013-06-19 青岛宝泰物资有限公司 Composite ball made by tungsten and high polymer material and manufacturing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110527886A (en) * 2019-09-02 2019-12-03 广州市华司特合金制品有限公司 A kind of clock and watch are again vertical and preparation method thereof
CN112410633A (en) * 2020-11-09 2021-02-26 山东金珠材料科技有限公司 Y-shaped fragile tungsten-based material
CN112522562A (en) * 2020-11-09 2021-03-19 山东金珠材料科技有限公司 H-type fragile tungsten-based material
CN112481539A (en) * 2020-11-12 2021-03-12 苏州欧美克合金工具有限公司 High-specific-gravity tungsten alloy material and preparation method thereof
CN114247885A (en) * 2021-12-24 2022-03-29 宁波振华新材料有限公司 Manufacturing method of tungsten alloy mass block for linear vibration motor

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Application publication date: 20180223

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