CN109128029A - A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould - Google Patents

A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould Download PDF

Info

Publication number
CN109128029A
CN109128029A CN201811267534.5A CN201811267534A CN109128029A CN 109128029 A CN109128029 A CN 109128029A CN 201811267534 A CN201811267534 A CN 201811267534A CN 109128029 A CN109128029 A CN 109128029A
Authority
CN
China
Prior art keywords
hot box
sand
film covered
core
mould
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
CN201811267534.5A
Other languages
Chinese (zh)
Inventor
朱爱军
王彩余
周国平
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.)
Yangzhou Guangrun Machinery Co Ltd
Original Assignee
Yangzhou Guangrun 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 Yangzhou Guangrun Machinery Co Ltd filed Critical Yangzhou Guangrun Machinery Co Ltd
Priority to CN201811267534.5A priority Critical patent/CN109128029A/en
Publication of CN109128029A publication Critical patent/CN109128029A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C7/00Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/06Core boxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores
    • B22C9/106Vented or reinforced cores
    • 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

Abstract

The invention discloses a kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting moulds, mold includes mo(u)ld top half template die, mo(u)ld bottom half template die and running gate system, mo(u)ld top half template die is equipped with mo(u)ld top half block corresponding with mo(u)ld top half template die, mo(u)ld bottom half template die is equipped with mo(u)ld bottom half block corresponding with mo(u)ld bottom half template die, mo(u)ld top half template die is combined to form die cavity by green sand molding with mo(u)ld bottom half template die, running gate system is connected to die cavity, the film covered sand core to match made of hot box with die cavity is provided in die cavity, the present invention mould structure is simple and compact, it is easy to use, reduce the labor intensity of worker, improve the efficiency of coremaking, reduce sand hole of cast defect, the assembly surface quality cast out is high, considerably reduce casting cost.

Description

A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould
Technical field
The present invention relates to a kind of molds, and in particular to a kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting Modeling tool.
Background technique
Heavy truck flywheel shell of engine, material is HT250 chromiumcopper casting, general to select resin sand or tide mould sand founder Skill;In resin sand and tide mould sand this two kinds of techniques, for resin sand because of its manufacturing cost height, upper amount speed is slow, not as high-volume Produce preferred technique;So tide mould sand casting technique just becomes most foundry enterprises and is used;
There is the graceful flywheel shell of engine of production People Germany of enterprise at present, similarly uses tide mould sand technique, 148 assembly lines Production in enormous quantities pattern;By practicing, core cavity tide mould sand own core, because tide mould sand high temperature liquid iron fills brush for a long time, out The ratio volume of existing sand hole defect is larger, and surface quality of continuous castings is also poor, is unable to satisfy Customer Quality requirement;So we select now The combination process of core built in tide mould sand precoated sand;Namely guarantee the table of casting in the underlying precoated sand molding sand core of core cavity Face quality;Can this technology mode is there are three major issues at present, first, coremaking and moulding process large labor intensity, recruitment cost It is high;Now 21 kilograms of film covered sand core substance built in our every casting, condition of high temperature the next man has been difficult to when precoated sand coremaking At so two people of configuration cooperate to complete;The second, intracavitary by type is arrived under 21 kilograms of overlay film sand molds equally in moulding, a people makees Industry is also unable to complete, and cooperates lower core with two people, since inner cavity core and tide mould sand external form gap only have 5-6 millimeters, cooperation is slightly not In place, it just will appear place's sand, large area sand hole occurs in casting;It is relatively high that third, film covered sand core account for casting totle drilling cost, we calculate Cost is 910.8 yuan/T (precoated sand material cost adds core wage), therefore, researches and develops a kind of automobile that can overcome disadvantages described above and sends out Film covered sand core casting mould built in motivation bell housing tide mould sand becomes those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved by the present invention is to propose a kind of engine for the above disadvantage of the existing technology Bell housing tide mould sand build-in function film covered sand core casting mould, the mould structure is simple and compact, easy to use, reduces worker Labor intensity, improve the efficiency of coremaking, reduce sand hole of cast defect, the assembly surface quality cast out is high, significantly Reduce casting cost.
The technical solution that the present invention solves the above technical problem is:
A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, mold include mo(u)ld top half template die, mould board Mould and running gate system, mo(u)ld top half template die are equipped with mo(u)ld top half block corresponding with mo(u)ld top half template die, and mo(u)ld bottom half template die is equipped with and mo(u)ld bottom half template die pair The mo(u)ld bottom half block answered, mo(u)ld top half template die and mo(u)ld bottom half template die are combined to form die cavity by green sand molding, and running gate system is connected to die cavity, mould It is intracavitary to be provided with the film covered sand core to match made of hot box with die cavity, in which:
Hot box includes the hot box cover half and hot box dynamic model of mutual pairing, is formed between hot box cover half and hot box dynamic model The type chamber of film covered sand core built in formed automobile flywheel shell of engine tide mould sand, in which:
Hot box dynamic model is equipped with one group of dynamic model support leg, and hot box dynamic model surface is symmetrically arranged with two first positioning rod aperture, heat Core box dynamic model surface is also evenly distributed with four first reset rod aperture;
The quadrangle of hot box cover half extends outward to form locating piece respectively, and locating piece is equipped with kidney-shaped location hole, hot box cover half Surface be symmetrically arranged with two with first positioning rod aperture it is compatible second positioning rod aperture, the surface of hot box cover half is additionally provided with number A core shooting hole, the surface corresponding position of hot box cover half uniformly distributed four reset rod aperture compatible second with first and reset rod aperture;
Hot box dynamic model is relatively arranged on hot box cover half, passes through the first positioning rod aperture and the second positioning rod aperture by locating rod Hot box dynamic model and the assembling of hot box cover half are positioned, further respectively has and is used on the side wall of hot box cover half and hot box dynamic model The hot box heating pipe hole of heating tube is installed.
The technical solution that the present invention further limits are as follows:
In aforementioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, mo(u)ld top half template die is according to film covered sand core Outer shape designs concave-convex identical curvilinear plane.
Technical effect, the present invention remove part and are replaced by tide mould sand, and original process mold flat cover case is re-designed as damp mould Sand is codded, and substitutes non-functional film covered sand core epimorph with mo(u)ld top half template die of the invention, molding mo(u)ld top half template die is according to film covered sand core Outer shape design concave-convex identical curvilinear plane, the positioning and compacting to built-in functionalization sand core are played, to guarantee sand core In the stability of type chamber, this ensure that improved built-in film covered sand core not only plays the radiation of original process film covered sand core high temperature resistant With resistance to erosion function, and will not because of removal sand core non-functional part, lead to location precision, ensure that casting size essence Spend grade.
In aforementioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, core shooting hole is two groups, every group Core shooting hole surrounds a circle, the circle concentric that two groups of core shooting holes surround by 8 individual core shooting holes.
Technical effect, loophole distribution design of the invention is determined according to sand core shape, and what principal security injected covers Sand core is penetrated reality by film sand, without dead angle.
In aforementioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, reinforcement is provided in hot box Muscle.
In aforementioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, film covered sand core wall thickness thinnest part With a thickness of 12mm.
In aforementioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, 6- is set inside film covered sand core 8 reinforcing ribs, a height of 10mm of the muscle of reinforcing rib.
The beneficial effects of the present invention are:
I analyzes the effect that flywheel shell of engine tide mould sand casting technique uses built-in film covered sand core first, mainly due to damp mould Inner mold chamber is in high temperature liquid iron heat radiation and calorific intensity is inadequate when washing away, easily formation sand hole, burning into sand defect, the casting flaws such as current mark; High-temperature region mainly in casting process;We cast at existing pouring technology using the bottom filling of the small seam allowance of bell housing into iron liquid Technique is made, is seen figure (10), high temperature iron liquid thermal radiation field is bell housing inner cavity upper surface, sees the shadow region part of figure (11), high For warm iron liquid into type chamber since gravity is gradually covered with the bottom lower wall of type chamber, being in iron liquid cavity filling process will be to bottom Upper wall, that is, red area face generate heat radiation, so that the surface strength for forming red face by tide mould sand is destroyed, due to herein With tide mould sand, will not enough occur sand hole because of the intensity of tide mould sand, current mark fills the casting defects such as sand burning into sand;So original process are set Meter, which makes bell housing core cavity using film covered sand core molding, sees figure (12);
Secondly site technique verifying is repeatedly tracked according to us, built-in film covered sand core is really to high temperature iron liquid acting surface, strictly The functional surfaces part of sand core figure (11) built in precoated sand;According to this thinking, we design a kind of automobile engine flywheel shell Film covered sand core functionalization casting technique built in tide mould sand removes built-in precoated sand non-functional surface part to greatest extent, covers to realize Film sand functionalization sand core, we redesign out a set of film-covering sand hot corebox;See Fig. 5, Fig. 6, by we redesign it is a set of Film-covering sand hot corebox produces the film covered sand core of precoated sand functionalization;See Fig. 8-9;Improved film covered sand core wall thickness thinnest part is set Meter is with a thickness of 12mm;The a height of 10mm of internal land root reinforcing rib design muscle;See figure (9);Removal part is substituted by tide mould sand;We Original process mold flat cover case is re-designed as tide mould sand and cods;See Fig. 7, substitutes non-functional film covered sand core outer mould, molding with Fig. 7 Cod face and the functionalization sand core inner cavity surface of tide mould sand upper impression coincide, play the positioning and pressure to built-in functionalization sand core System, to guarantee sand core in the stability of type chamber;This ensure that improved built-in sand core not only plays original process precoated sand sand Core fire resistant radiation and resistance to erosion function, and will not lead to location precision because removing sand core non-functional part, ensure that casting The dimensional accuracy grade of part;
Due to eliminating the non-functional part of original process precoated sand sand core, so that newly-designed functionalization film-covering sand hot corebox is produced The weight of the film covered sand core come only has 9.5 kilograms, and 21.6 kilograms of original process precoated sand sand core, single-piece reduces 10.1 kilograms;It should Technique overcomes double coremaking, the double lower core of moulding, recruitment waste;The labor intensity of operator is reduced simultaneously;It is prior It is that coremaking efficiency greatly improves;Core beat is shortened under moulding, improves labor productivity, also reduces moulding fraction defective; Also substantially reduce production cost;The cast(ing) surface that the casting inside and outside surface quality that the technique is produced also is produced compared with original process One class of increased quality.
Compared with the casting technique that traditional moulds carry out, the present invention has following for the casting carried out using mold of the invention Advantage:
(1) coremaking operation and moulding process labor intensity are reduced;
(2) enterprise's manpower shortage is solved the problems, such as;
(3) coremaking working efficiency is improved, overall output per manshift improves 30%;
(4) moulding efficiency improves 10%;
(5) direct cost (artificial and precoated sand) is per ton saves 426 yuan, my company saves 116.77 ten thousand yuan of direct cost every year.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hot box in the embodiment of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the bottom view of Fig. 1;
Fig. 4 is the assembling structure schematic diagram of hot box in the embodiment of the present invention;
Fig. 5 is the concrete structure schematic diagram of hot box cover half in the embodiment of the present invention;
Fig. 6 is the concrete structure schematic diagram of hot box dynamic model in the embodiment of the present invention;
Fig. 7 is the structural schematic diagram of mo(u)ld top half template die in the embodiment of the present invention;
Fig. 8 is the structural schematic diagram of film covered sand core in the embodiment of the present invention;
Fig. 9 is film covered sand core another kind display diagram in the embodiment of the present invention;
Figure 10 is that the bell housing bottom filling that existing pouring technology uses casts schematic diagram;
Figure 11 is film covered sand core work surface functional surfaces structural schematic diagram in existing pouring technology;
Figure 12 is the film covered sand core structural schematic diagram that bell housing core cavity uses in existing pouring technology;
In figure: 1- dynamic model support leg, 2- hot box dynamic model, 21- first position rod aperture, and 22- first resets rod aperture, and 3- hot box is fixed Mould, 31- locating piece, 32- kidney-shaped location hole, 33- second position rod aperture, 34- core shooting hole, and 35- second resets rod aperture, 4- hot box Heating pipe hole, 5- mo(u)ld top half template die, 6- film covered sand core, 61- reinforcing rib.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting moulds, as shown in figs 1-9, Mold includes mo(u)ld top half template die 5, mo(u)ld bottom half template die and running gate system, and mo(u)ld top half template die 5 is equipped with mo(u)ld top half block corresponding with mo(u)ld top half template die, under Template mould is equipped with mo(u)ld bottom half block corresponding with mo(u)ld bottom half template die, and mo(u)ld top half template die 5 is combined to form with mo(u)ld bottom half template die by green sand molding Die cavity, running gate system are connected to die cavity, and the film covered sand core 6 to match made of hot box with die cavity is provided in die cavity, in which:
Hot box includes the hot box cover half 3 and hot box dynamic model 2 of mutual pairing, between hot box cover half 3 and hot box dynamic model 2 Form the type chamber of film covered sand core built in formed automobile flywheel shell of engine tide mould sand, in which:
Hot box dynamic model 2 is equipped with one group of dynamic model support leg 1, and 2 surface of hot box dynamic model is symmetrically arranged with two first positioning rod aperture 21,2 surface of hot box dynamic model is also evenly distributed with four first reset rod aperture 22;
The quadrangle of hot box cover half 3 extends outward to form locating piece 31 respectively, and locating piece 31 is equipped with kidney-shaped location hole 32, hot core The surface of box cover half 3 is symmetrically arranged with two second positioning rod aperture 33 compatible with the first positioning rod aperture 21, hot box cover half 3 Surface is additionally provided with several core shooting holes 34, and the surface corresponding position of hot box cover half 3 uniformly distributed four reset 22 phase of rod aperture with first and fit Second matched resets rod aperture 35;
Hot box dynamic model 2 is relatively arranged on hot box cover half 3, passes through the first positioning rod aperture 21 and the second positioning by locating rod Rod aperture 33 positions hot box dynamic model 2 and the assembling of hot box cover half 3, also divides on the side wall of hot box cover half 3 and hot box dynamic model 2 It She You not be for installing the hot box heating pipe hole 4 of heating tube.
The casting technique carried out using above-mentioned flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, tool Body the following steps are included:
(1) coremaking
According to a set of film covered sand core hot box of the shape processing of product to be cast, go out to cover using hot box and core shooter processing and fabricating Film sand core, specifically:
(a) hot box cover half is mounted in the fixing end of core shooter, hot box dynamic model is mounted on to the movable cylinder work of core shooter To make in plane, the mobile cylinder head of core shooter is mobile to the fixing end of core shooter, and drive hot box dynamic model mobile to hot box cover half, Realize molding;
(b) type that core shooter is mutually combined to form from core shooting hole to hot box cover half and hot box dynamic model is intracavitary to penetrate sand, penetrates sand pressure Power control is in 0.5-0.8Mpa, and shooting time control is in one-step forming at the beginning of 15-25 seconds, film covered sand core;
(c) heating tube is installed in the hot box heating pipe hole on the side wall of hot box cover half and hot box dynamic model, heats hot core Box, is heated to 210-250 degree, and curing time control was at 25-30 seconds, curing molding;
(d) after curing molding, the mobile cylinder head of core shooter is mobile to the direction of the fixing end far from core shooter, drives hot box dynamic Mould and the separation of hot box cover half, realize die sinking, obtain molding film covered sand core;
(2) moulding
Mo(u)ld top half template die, mo(u)ld bottom half template die are made according to bell housing casting dimension, there are mating sandbox skies according to upper and lower template mould size Between respective production tide mould sand type chamber, specifically:
Take mo(u)ld top half template die, mo(u)ld bottom half template die and matched sandbox;
Sandbox is set on mo(u)ld top half template die by positioning pin, and tide mould sand is added, and ram-jolt compresses, and disengages mo(u)ld top half template die and sandbox, Form tide mould sand upper impression;
Sandbox is set on mo(u)ld bottom half template die by positioning pin, and tide mould sand is added, and ram-jolt compresses, and disengages mo(u)ld bottom half template die and sandbox, shape At tide mould sand lower impressions;
By tide mould sand lower impressions zoom level, the film covered sand core made is placed into tide mould sand lower impressions, then will be with sandbox It is formed in place on the basis of the tide mould sand upper impression of carrier mould assembly positioning pin with by the tide mould sand lower impressions mould assembly of carrier of sandbox Mould cavity;
(3) lower impressions case clamping lock on the tide mould sand got togather is tight;
(4) smelting and pouring
Casting mold is placed in pouring area, raw material melting injects iron liquid, moulding by casting, cooling knockout into casting mold by running gate system Separation;
(5) it polishes
After moulding by casting, casting is taken out, casting can be obtained by carrying out Shot Blasting grinding process to casting.
In the present embodiment, mo(u)ld top half template die designs concave-convex identical curvilinear plane according to the outer shape of film covered sand core;It penetrates Core bore 34 is two groups, and every group of core shooting hole surrounds a circle, the circle concentric that two groups of core shooting holes surround by 8 individual core shooting holes; The easily-deformable position of cast article is provided with reinforcing rib 61 in hot box.
The film covered sand core wall thickness thinnest part that hot box processes with a thickness of 12mm;Setting 6-8 root adds inside film covered sand core Strengthening tendons, a height of 10mm of the muscle of reinforcing rib.
Design scheme of the invention removes built-in precoated sand non-functional surface part to greatest extent, to realize precoated sand functionalization Sand core, we redesign out a set of film-covering sand hot corebox;The hot core of a set of precoated sand seeing Fig. 5, Fig. 6, being redesigned by us Box produces the film covered sand core of precoated sand functionalization;See Fig. 8-9;Improved film covered sand core wall thickness thinnest part design thickness is 12mm;The a height of 10mm of internal land root reinforcing rib design muscle;See figure (9);Removal part is substituted by tide mould sand;We are original process mould Tool flat cover case is re-designed as tide mould sand and cods;See Fig. 7, substitutes non-functional film covered sand core outer mould, molding tide mould sand with Fig. 7 The face of codding of upper impression coincide with functionalization sand core inner cavity surface, the positioning and compacting to built-in functionalization sand core is played, to guarantee Stability of the sand core in type chamber;This ensure that improved built-in sand core not only plays original process precoated sand sand core high temperature resistant spoke Penetrate with resistance to erosion function, and will not because remove sand core non-functional part, lead to location precision, ensure that casting size essence Spend grade;
Due to eliminating the non-functional part of original process precoated sand sand core, so that newly-designed functionalization film-covering sand hot corebox is produced The weight of the film covered sand core come only has 9.5 kilograms, and 21.6 kilograms of original process precoated sand sand core, single-piece reduces 10.1 kilograms;It should Technique overcomes double coremaking, the double lower core of moulding, recruitment waste;The labor intensity of operator is reduced simultaneously;It is prior It is that coremaking efficiency greatly improves;Core beat is shortened under moulding, improves labor productivity, also reduces moulding fraction defective; Also substantially reduce production cost;The cast(ing) surface that the casting inside and outside surface quality that the technique is produced also is produced compared with original process One class of increased quality.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (6)

1. a kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould, the mold include mo(u)ld top half template die (5), Mo(u)ld bottom half template die and running gate system, it is characterised in that: the mo(u)ld top half template die (5) is equipped with mo(u)ld top half block corresponding with mo(u)ld top half template die, institute Mo(u)ld bottom half template die is stated equipped with mo(u)ld bottom half block corresponding with mo(u)ld bottom half template die, the mo(u)ld top half template die (5) is made with mo(u)ld bottom half template die by green-sand Type is combined to form die cavity, and the running gate system is connected to die cavity, be provided in the die cavity made of hot box with die cavity phase The film covered sand core (6) matched, in which:
The hot box includes the hot box cover half (3) and hot box dynamic model (2) of mutual pairing, the hot box cover half (3) and The type chamber of film covered sand core built in formed automobile flywheel shell of engine tide mould sand is formed between hot box dynamic model (2), in which:
The hot box dynamic model (2) is equipped with one group of dynamic model support leg (1), and hot box dynamic model (2) surface is symmetrically arranged with two A first positioning rod aperture (21), hot box dynamic model (2) surface is also evenly distributed with four first reset rod aperture (22);
The quadrangle of the hot box cover half (3) extends outward to form locating piece (31) respectively, and the locating piece (31) is equipped with waist Shape location hole (32), the surface of the hot box cover half (3) are symmetrically arranged with two and are adapted with first positioning rod aperture (21) Second positioning rod aperture (33), the surface of the hot box cover half (3) is additionally provided with several core shooting holes (34), the hot box cover half (3) surface corresponding position uniformly distributed four reset rod aperture (22) compatible second with described first and reset rod aperture (35);
The hot box dynamic model (2) is relatively arranged on the hot box cover half (3), passes through the first positioning rod aperture by locating rod (21) and the second positioning rod aperture (33) positions hot box dynamic model (2) and hot box cover half (3) assembling, the hot box cover half (3) and on the side wall of hot box dynamic model (2) the hot box heating pipe hole (4) for installing heating tube is further respectively had.
2. flywheel shell of engine tide mould sand build-in function film covered sand core casting mould according to claim 1, feature Be: the mo(u)ld top half template die designs concave-convex identical curvilinear plane according to the outer shape of film covered sand core.
3. flywheel shell of engine tide mould sand build-in function film covered sand core casting mould according to claim 1, feature Be: the core shooting hole (34) is two groups, and every group of core shooting hole surrounds a circle by 8 individual core shooting holes, and two groups of core shooting holes are enclosed At circle concentric.
4. flywheel shell of engine tide mould sand build-in function film covered sand core casting mould according to claim 1, feature It is: is provided with reinforcing rib (61) in the hot box.
5. flywheel shell of engine tide mould sand build-in function film covered sand core casting mould according to claim 4, feature Be: the film covered sand core wall thickness thinnest part with a thickness of 12mm.
6. flywheel shell of engine tide mould sand build-in function film covered sand core casting mould according to claim 4, feature It is: 6-8 root reinforcing rib, the muscle of the reinforcing rib a height of 10mm is set inside the film covered sand core.
CN201811267534.5A 2018-10-29 2018-10-29 A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould Pending CN109128029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811267534.5A CN109128029A (en) 2018-10-29 2018-10-29 A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811267534.5A CN109128029A (en) 2018-10-29 2018-10-29 A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould

Publications (1)

Publication Number Publication Date
CN109128029A true CN109128029A (en) 2019-01-04

Family

ID=64806531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811267534.5A Pending CN109128029A (en) 2018-10-29 2018-10-29 A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould

Country Status (1)

Country Link
CN (1) CN109128029A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110293209A (en) * 2019-07-10 2019-10-01 定州东方铸造有限公司 A kind of machine tool parts resin sand nowel sand core technique for fixing
CN111618246A (en) * 2020-06-15 2020-09-04 大连华锐重工铸业有限公司 Casting production method of large nodular cast iron grinding disc with cavity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110293209A (en) * 2019-07-10 2019-10-01 定州东方铸造有限公司 A kind of machine tool parts resin sand nowel sand core technique for fixing
CN111618246A (en) * 2020-06-15 2020-09-04 大连华锐重工铸业有限公司 Casting production method of large nodular cast iron grinding disc with cavity
CN111618246B (en) * 2020-06-15 2021-08-10 大连华锐重工铸业有限公司 Casting production method of large nodular cast iron grinding disc with cavity

Similar Documents

Publication Publication Date Title
CN109128029A (en) A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould
CN102380586B (en) Device and production method for manufacturing automobile rear axle cast through metal mold with sand lining
CN103691890B (en) The core-making method of cylinder cap rising head oil passage sand core processed and cylinder cap casting method
CN101444838B (en) Method for casting large jigger wheel with counterbalance
CN102069154B (en) Casting mold for single cylinder diesel body, external casting mold for horizontal parting multi-cylinder diesel body and cast parts, and energy-saving low-carbon casting process of external casting mold
CN104043782A (en) Method for manufacturing sand core used for excavator valve body oil duct through multiple sand-shooting
CN104874731A (en) Method for casting large-scale bucket tooth casting by using lost foam
CN109719255A (en) A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting technique
CN103100669A (en) Valve body combined casting process for sluice valve with flange casting bolt hole
KR101350431B1 (en) A precision casting mold for comprehensive turbine housing by using a shell mold
CN102784890B (en) Method for casting lead screw sleeve type casts
CN108213342A (en) The casting technique of the complicated smallclothes of batch production
CN109128023A (en) A kind of big ancient cooking vessel gear casting technique
CN107745095B (en) A kind of integral wheel resin sand and metal mold composite mould and preparation method
CN209021165U (en) Flywheel shell of engine tide mould sand build-in function film covered sand core casting mould
CN106863849B (en) RTM mold
CN104785758B (en) The preparation method of aluminium bronze composite casting valve plate
CN105215277A (en) A kind of valve gap bolt hole evaporative pattern and straight forming technique thereof
CN101693286A (en) Novel device and method for moulding pipe
CN207823934U (en) A kind of micro- casting casting die of ultrasound
CN202861326U (en) Combined iron mould universally used to sand-coating casting production of iron mould
CN105750493A (en) Non-chiller ductile iron non-riser casting technology
CN103075274B (en) Air inlet mixer and casting process thereof
CN206567491U (en) A kind of final drive casing intracoelomic cavity bottom is molded core mold
CN110153379A (en) One case two pieces casting technique of diesel engine cylinder head for ship casting

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination