CN106077510A - A kind of front axle housing body Technology for Heating Processing - Google Patents

A kind of front axle housing body Technology for Heating Processing Download PDF

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Publication number
CN106077510A
CN106077510A CN201610593196.9A CN201610593196A CN106077510A CN 106077510 A CN106077510 A CN 106077510A CN 201610593196 A CN201610593196 A CN 201610593196A CN 106077510 A CN106077510 A CN 106077510A
Authority
CN
China
Prior art keywords
dewaxing
front axle
hardening
axle housing
minute
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.)
Pending
Application number
CN201610593196.9A
Other languages
Chinese (zh)
Inventor
何拥军
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 Jin Te Abrasion Resistance Material Limited-Liability Co
Original Assignee
Liuzhou Jin Te Abrasion Resistance Material Limited-Liability Co
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 Jin Te Abrasion Resistance Material Limited-Liability Co filed Critical Liuzhou Jin Te Abrasion Resistance Material Limited-Liability Co
Priority to CN201610593196.9A priority Critical patent/CN106077510A/en
Publication of CN106077510A publication Critical patent/CN106077510A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings
    • B22C9/24Moulds for peculiarly-shaped castings for hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/04Use of lost patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/04Use of lost patterns
    • B22C9/043Removing the consumable pattern
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/12Treating moulds or cores, e.g. drying, hardening

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a kind of front axle housing body Technology for Heating Processing, 1) dispensing;2) coating;3) hardening;4) dewaxing;5) roasting.Front axle housing body Technology for Heating Processing of the present invention, gained front axle housing rigidity and fatigue resistance performance are effectively improved, and enhance the service life of front axle housing.

Description

A kind of front axle housing body Technology for Heating Processing
Technical field
The present invention relates to a kind of front axle housing body Technology for Heating Processing.
Background technology
The design of casting technique plays a part crux to the quality of casting quality.The front axle housing of wheel excavator is to dig The security part that pick machine is important.It subjects heavier load and the Moment being continually changing in excavator travels, easily Curved allusion quotation fatigue fracture phenomenon occur, therefore, front axle housing should have preferable rigidity and fatigue resistance performance.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defect, it is provided that a kind of front axle housing body Technology for Heating Processing.
The purpose of the present invention implements by the following technical programs:
A kind of front axle housing body Technology for Heating Processing, including dispensing, coating, hardens, dewaxes and roasting,
Described dewaxing includes herein below:
After formwork hardening painting hangs, dewaxing after placing 5-10 hour, the floating sand of cup to be blown off before dewaxing, from watering when blowing The center of cup is to postpartum mastitis, it is to avoid floating sand falls into cup;When using hot water dewaxing, water temperature is 90-98 DEG C, and dewaxing water should be avoided Having boiling phenomenon, dewaxing time is 20-30 minute, adds the technical hydrochloric acid of 2% or the ammonium chloride of 3%-8% in the water that dewaxes during dewaxing, So that shell mould obtains supplementing hardening when dewaxing.
Further:
Described coating includes herein below:
During coating, module repeatedly to move up and down and to rotate, and prevents from collecting between the sand grains of the trough groove on module, aperture or upper strata sand Trapped air steeps, and removes if any bubble application airduct or hairbrush, and coating local should be avoided to heap simultaneously.
Further:
Described hardening includes herein below:
When hardening with ammonium chloride, before work, the ammonium water in reply hardening pond is stirred, to improve the concentration of ammonium chloride, ammonium chloride Concentration should be maintained at 21wt%-25wt%;
0.05-0.1% penetrating agent is added, to improve the setting rate of shell mould in hardening pond;
Firm time surface layer is 5-8 minute, and back-up coat is 10-15 minute when there being penetrating agent, does not has during penetrating agent to be that 20-30 divides Clock;Air-dry time after hardening was advisable with 30-45 minute, should grasp flexibly according to weather simultaneously, winter, capping in rainy season, the summer Season, dry weather remove the limit.
Further:
Described dispensing includes herein below:
First weigh waterglass, refractory powder and activating agent by the weight ratio of 9:4:3, then refractory powder mixed with activating agent, Again waterglass is poured in the mixture of the two and be stirred simultaneously, mixing time 60-90 minute, then stand 20-30 minute Can use.
Further:
Described roasting includes herein below:
Shell mould after dewaxing is dried 4-8 hour, shove charge can carry out high-temperature roasting.
Beneficial effects of the present invention:
Front axle housing body Technology for Heating Processing of the present invention, gained front axle housing rigidity and fatigue resistance performance be effectively improved, Enhance the service life of front axle housing.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
A kind of front axle housing body Technology for Heating Processing, including dispensing, coating, hardens, dewaxes and roasting,
Described dewaxing includes herein below:
After formwork hardening painting hangs, dewaxing after placing 5-10 hour, the floating sand of cup to be blown off before dewaxing, from watering when blowing The center of cup is to postpartum mastitis, it is to avoid floating sand falls into cup;When using hot water dewaxing, water temperature is 90-98 DEG C, and dewaxing water should be avoided Having boiling phenomenon, dewaxing time is 20-30 minute, adds the technical hydrochloric acid of 2% or the ammonium chloride of 3%-8% in the water that dewaxes during dewaxing, So that shell mould obtains supplementing hardening when dewaxing.
Described coating includes herein below:
During coating, module repeatedly to move up and down and to rotate, and prevents from collecting between the sand grains of the trough groove on module, aperture or upper strata sand Trapped air steeps, and removes if any bubble application airduct or hairbrush, and coating local should be avoided to heap simultaneously.
Described hardening includes herein below:
When hardening with ammonium chloride, before work, the ammonium water in reply hardening pond is stirred, to improve the concentration of ammonium chloride, ammonium chloride Concentration should be maintained at 21wt%-25wt%;
0.05-0.1% penetrating agent is added, to improve the setting rate of shell mould in hardening pond;
Firm time surface layer is 5-8 minute, and back-up coat is 10-15 minute when there being penetrating agent, does not has during penetrating agent to be that 20-30 divides Clock;Air-dry time after hardening was advisable with 30-45 minute, should grasp flexibly according to weather simultaneously, winter, capping in rainy season, the summer Season, dry weather remove the limit.
Described dispensing includes herein below:
First weigh waterglass, refractory powder and activating agent by the weight ratio of 9:4:3, then refractory powder mixed with activating agent, Again waterglass is poured in the mixture of the two and be stirred simultaneously, mixing time 60-90 minute, then stand 20-30 minute Can use.
Described roasting includes herein below:
Shell mould after dewaxing is dried 4-8 hour, shove charge can carry out high-temperature roasting.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to aforementioned reality Executing example to be described in detail the present invention, for a person skilled in the art, it still can be to aforementioned each enforcement Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent.All essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (5)

1. a front axle housing body Technology for Heating Processing, it is characterised in that: include dispensing, coating, harden, dewax and roasting,
Described dewaxing includes herein below:
After formwork hardening painting hangs, dewaxing after placing 5-10 hour, the floating sand of cup to be blown off before dewaxing, from watering when blowing The center of cup is to postpartum mastitis, it is to avoid floating sand falls into cup;When using hot water dewaxing, water temperature is 90-98 DEG C, and dewaxing water should be avoided Having boiling phenomenon, dewaxing time is 20-30 minute, adds the technical hydrochloric acid of 2% or the ammonium chloride of 3%-8% in the water that dewaxes during dewaxing, So that shell mould obtains supplementing hardening when dewaxing.
2. a kind of front axle housing body Technology for Heating Processing as claimed in claim 1, it is characterised in that:
Described coating includes herein below:
During coating, module repeatedly to move up and down and to rotate, and prevents from collecting between the sand grains of the trough groove on module, aperture or upper strata sand Trapped air steeps, and removes if any bubble application airduct or hairbrush, and coating local should be avoided to heap simultaneously.
3. a kind of front axle housing body Technology for Heating Processing as claimed in claim 1, it is characterised in that:
Described hardening includes herein below:
When hardening with ammonium chloride, before work, the ammonium water in reply hardening pond is stirred, to improve the concentration of ammonium chloride, ammonium chloride Concentration should be maintained at 21wt%-25wt%;
0.05-0.1% penetrating agent is added, to improve the setting rate of shell mould in hardening pond;
Firm time surface layer is 5-8 minute, and back-up coat is 10-15 minute when there being penetrating agent, does not has during penetrating agent to be that 20-30 divides Clock;Air-dry time after hardening was advisable with 30-45 minute, should grasp flexibly according to weather simultaneously, winter, capping in rainy season, the summer Season, dry weather remove the limit.
4. a kind of front axle housing body Technology for Heating Processing as claimed in claim 1, it is characterised in that:
Described dispensing includes herein below:
First weigh waterglass, refractory powder and activating agent by the weight ratio of 9:4:3, then refractory powder mixed with activating agent, Again waterglass is poured in the mixture of the two and be stirred simultaneously, mixing time 60-90 minute, then stand 20-30 minute Can use.
5. a kind of front axle housing body Technology for Heating Processing as claimed in claim 1, it is characterised in that:
Described roasting includes herein below:
Shell mould after dewaxing is dried 4-8 hour, shove charge can carry out high-temperature roasting.
CN201610593196.9A 2016-07-26 2016-07-26 A kind of front axle housing body Technology for Heating Processing Pending CN106077510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610593196.9A CN106077510A (en) 2016-07-26 2016-07-26 A kind of front axle housing body Technology for Heating Processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610593196.9A CN106077510A (en) 2016-07-26 2016-07-26 A kind of front axle housing body Technology for Heating Processing

Publications (1)

Publication Number Publication Date
CN106077510A true CN106077510A (en) 2016-11-09

Family

ID=57450239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610593196.9A Pending CN106077510A (en) 2016-07-26 2016-07-26 A kind of front axle housing body Technology for Heating Processing

Country Status (1)

Country Link
CN (1) CN106077510A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0462292A (en) * 1990-06-29 1992-02-27 Shimizu Corp Diameter widening method and reducing method of tunnel
JPH04197570A (en) * 1990-11-27 1992-07-17 Mazda Motor Corp Production of casting having heat resisting layer
JP4062292B2 (en) * 2003-11-19 2008-03-19 マツダ株式会社 Light alloy casting manufacturing method
CN103586336A (en) * 2013-11-21 2014-02-19 湖南中联重科车桥有限公司 Manufacturing method for banjo axle housing and axle housing
CN103667612A (en) * 2013-12-05 2014-03-26 湖南中联重科车桥有限公司 Axle housing heat treatment method and axle housing making method
CN104959544A (en) * 2015-06-17 2015-10-07 柳州金特新型耐磨材料股份有限公司 Rear axle shell thermal processing technology
CN104975137A (en) * 2015-06-17 2015-10-14 柳州金特新型耐磨材料股份有限公司 Heat treatment technology of rear axle housing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0462292A (en) * 1990-06-29 1992-02-27 Shimizu Corp Diameter widening method and reducing method of tunnel
JPH04197570A (en) * 1990-11-27 1992-07-17 Mazda Motor Corp Production of casting having heat resisting layer
JP4062292B2 (en) * 2003-11-19 2008-03-19 マツダ株式会社 Light alloy casting manufacturing method
CN103586336A (en) * 2013-11-21 2014-02-19 湖南中联重科车桥有限公司 Manufacturing method for banjo axle housing and axle housing
CN103667612A (en) * 2013-12-05 2014-03-26 湖南中联重科车桥有限公司 Axle housing heat treatment method and axle housing making method
CN104959544A (en) * 2015-06-17 2015-10-07 柳州金特新型耐磨材料股份有限公司 Rear axle shell thermal processing technology
CN104975137A (en) * 2015-06-17 2015-10-14 柳州金特新型耐磨材料股份有限公司 Heat treatment technology of rear axle housing

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Application publication date: 20161109

RJ01 Rejection of invention patent application after publication