CN100509211C - Method of integral precision casting groove traverse drum in bobbin winder - Google Patents
Method of integral precision casting groove traverse drum in bobbin winder Download PDFInfo
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- CN100509211C CN100509211C CNB2004100239593A CN200410023959A CN100509211C CN 100509211 C CN100509211 C CN 100509211C CN B2004100239593 A CNB2004100239593 A CN B2004100239593A CN 200410023959 A CN200410023959 A CN 200410023959A CN 100509211 C CN100509211 C CN 100509211C
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Abstract
A technology for integrally and precisely casting the grooved drum of bobbin winder includes preparing wax moulds, closing them, preparing the casting mould, smelting metal, and casting. Said process for preparing said wax moulds is also disclosed.
Description
Technical field
The present invention relates to the manufacture method of bobbin-winding machine groove drum.
Background technology
Along with the development of China's textile industry, fully-automatic spooling machine has become the type that becomes more and more important in the Weaving device.And, be difficult to processing and manufacturing with its planform complexity as the strength member-groove drum of bobbin-winding machine, having a strong impact on the localization process of bobbin-winding machine.The general configuration characteristics of groove drum are as follows: reciprocal spiral grooves about outer surface has; The helix of this spiral grooves is a decreasing worm-pitch; The degree of depth of spiral grooves each point does not wait; The each point width of rebate does not wait; Each point groove depth line (being the line of notch center to the bottom land center) has different inclination angles to the bottom land axis; On axial cross section, has the vase-like (normal section also has these characteristics) that notch is narrow, the groove middle part is wide, trench bottom is narrow again.Some has the ability to produce the country of this class groove drum as Italy, Japan etc., manufacturing the groove drum process approach all is to cast out the blank body earlier, adopt accurate digital control processing to finish the complicated ditch Slot shaping of outer surface to the blank body again, this mode of production exists production equipment investment scale big, process technology is numerous and diverse, production cost is very high, and domestic manufacturing is difficult to bear.To such an extent as to such groove drum mainly is by realizing that from Italy, Japanese import the costliness of import price is well-known at present.
Summary of the invention
The object of the present invention is to provide a kind of integral precision casting method of bobbin-winding machine groove drum.
Its major technique solution is:
The integral precision casting method of a kind of bobbin-winding machine groove drum of the present invention is mainly carried out: make the groove drum wax-pattern and form groove drum wax-pattern group according to the following steps; Above-mentioned groove drum wax-pattern group is made shell; The groove drum single-casting is made in metal material melting and cast, carries out post processing and obtains the groove drum finished product; The step of above-mentioned making groove drum wax-pattern and formation groove drum wax-pattern group has, 1. processing and manufacturing mould, this die ontology is made up of two half modules, above-mentioned die ontology is provided with and can be positioned two the hard loose pieces of apperance body shaft to two ends, two half module formation die cavities capable of being combined, this die cavity can be penetrated wax apparatus by liquid shoot hole on the die ontology and outside and be communicated with, be provided with the soft elasticity loose piece that is fixedly connected respectively on two half module inwalls in the above-mentioned die cavity, above-mentioned soft elasticity loose piece is useful on the base portion of connection and the forming part of groove drum wax-pattern Surface Groove section moulding, some place is axially axially identical with the normal section at groove drum wax-pattern surface correspondent section groove corresponding point position with it with the normal section at certain for a certain section forming part, also dispose following axial core in the above-mentioned die cavity, the axial two ends of core are provided with corresponding connection core print seat at each hard loose piece towards the inner face of die cavity respectively for can locate core print; 2. suitable core box structure is adopted in the axially preparation of core, makes the urea material core body that adapts to groove drum axis hole and inner chamber form; 3. penetrate was moulding, with above-mentioned mould mould assembly, by penetrating wax apparatus by liquid shoot hole injecting fluid wax in the apperance die cavity, treat that liquid wax solidifies then, die sinking is deviate from the back and is immersed that the stripping core is the groove drum wax-pattern in the water; 4. above-mentioned groove drum wax-pattern and running gate system apperance are formed groove drum wax-pattern group.
Above-mentioned half module inwall and soft elasticity loose piece point of attachment can be provided with fixed groove, and the base portion of above-mentioned soft elasticity loose piece can embed in the fixed groove; In said fixing groove and the above-mentioned base portion relative bonding face, one of them opposite face can be provided with several projections portion, and another opposite face can be provided with corresponding recess.
Above-mentioned soft elasticity loose piece can adopt has the hot shrinkage-void of chance or less inotropic elastomeric material making.
The present invention is because employing is provided with soft elasticity loose piece technical approach in mold cavity, can be at the cross section pattern of the different groove sections of groove drum wax-pattern surface spiral grooves, the moulding section of soft elasticity loose piece is set the same cross-sectional corrugated shape, axial cross section and normal section are that notch is narrow as described above, groove body Wide, the narrow again vase-like pattern of bottom land groove section, it is narrow that corresponding shaping portion section axial cross section and normal section also are all base portion side, middle part Wide, the overshooting shape that the top is narrow, mold cavity is after penetrating injection forming wax liquid, treat that it solidifies formation and sets shape, comprising the formed coating groove of the soft elasticity loose piece of correspondence moulding section, in forming process, be subjected to liquid counterpressure in the die cavity simultaneously owing to soft elasticity loose piece periphery, therefore can keep shape invariance, can not have influence on the molding of type surface, when being subjected to unidirectional unbalanced pressure such as pull, soft elasticity loose piece can produce corresponding deformation thereupon, its moulding section can be extracted out from the special-shaped groove that coats it, therefore, it can be used for above-mentioned groove drum or other similar surfaces are provided with recessed structures parts shaping investment patterns such as special shape groove, and then realization parts global formation is made, can effectively promote this base part to be difficult to the change of the habitual production and processing mode that obtains changing in a long time always, improve such production efficiency of products and reduce production costs.Half module inwall and soft elasticity loose piece point of attachment can be provided with fixed groove in the aforesaid way, and the base portion of above-mentioned soft elasticity loose piece can embed in the fixed groove; In said fixing groove and the above-mentioned base portion relative bonding face, one of them opposite face can be provided with several projections portion, and another opposite face can be provided with corresponding recess; Can prevent effectively that first soft elasticity loose piece is axially displaced, also can prevent soft elasticity loose piece, in addition, can take soft loose piece out of die cavity during the apperance depanning, be convenient to manual outside directly with soft loose piece extraction, operation facility around axial motion.Soft elasticity loose piece can adopt has the hot shrinkage-void of chance or less inotropic elastomeric material making, is convenient to form intact setting form.
Above-mentioned soft elasticity loose piece can adopt following technical approach to produce, and selects two half modules of opposite opened for use, and the finished product groove drum is formed soft elasticity loose piece mould as core; Each half module inwall of this loose piece mould adopts and the identical version of the corresponding half module inwall of groove drum shaping investment pattern mould, or each half module inwall of groove drum shaping investment pattern mould adopts and the identical version of the corresponding half module inwall of loose piece mould; Choose sizing material, adopt the moulding of rubber molding technical approach behind the soft elasticity loose piece mould mould assembly, the demoulding obtains soft elasticity loose piece.Two half module interior wall constructions of two half module inwalls of above-mentioned loose piece mould and groove drum shaping investment pattern mould are identical, can make profile size and the identical wax-pattern of finished product groove drum, the soft elasticity loose piece that makes can accurately be fixedly connected on each half module relevant position of groove drum shaping investment pattern mould.
Above-mentioned groove drum wax-pattern group is made shell and can be comprised following mode: 1. make shell material and select for use, Ludox, zircon sand, zirconium powder, Mo Laisha, do not come powder, wherein Ludox and zirconium powder mix as slurry, zircon sand, Mo Laisha, do not come powder as covering sand; 2. be coated with the hanging material and cover sand; 3. drying and sclerosis; 4. module dewaxing and roasting become casting mold.
Above-mentionedly be coated with the hanging material and cover the sand mode and can have: be coated with liners starch the 1st layer → be coated with liners starch the 2nd layer+cover the 1st layer of zircon sand → be coated with liners starch the 3rd layer+cover the 2nd layer of zircon sand → be coated with hang backing layer starch the 1st layer+cover do not come the 1st layer in powder → be coated with hang backing layer starch the 2nd layer+cover do not come the 2nd layer in powder → be coated with hang backing layer starch the 3rd layer+cover do not come the 1st layer in sand → be coated with hang backing layer starch the 4th layer+cover and do not come the 2nd layer in sand → seal slurry; Above-mentioned surface layer slurry, backing layer slurry and seal slurry and select Ludox and zirconium powder for use.
The mode that the groove drum single-casting is made in above-mentioned metal material melting and cast can have: 1. choose metal material, its chemical composition is 3.3%C, 2.4%Si, 0.6%Mn, 0.06%P, 0.028%S, 0.024%Re, 0.024%Mg, 0.15%Ti, 1.0%Cu, 1.5%Ni; 2. fusion process is, 1450 ℃ of smelting temperatures, and molten clear back adds the silicon inoculation, and adds magnesium-rare earth and the processing of wriggling of ferrosilicon with cullet+orpiment sand+lime stone slag hitting; 3. cast, above-mentioned molten metal left standstill 5～10 minutes, and temperature is adjusted to 1350 ℃, running castings.
Description of drawings
Fig. 1 is a kind of embodiment overall structure schematic diagram of groove drum Wax mold of the present invention.
Fig. 2 is a groove drum wax-pattern group structural representation.
The bobbin-winding machine groove drum structural representation that Fig. 3 manufactures for the present invention.
Present invention is described below in conjunction with accompanying drawing:
The specific embodiment
The technology contents that the present invention does not address and the appropriate section of following technology contents all can be the prior art mode.
The present invention can carry out according to the following steps, makes the groove drum wax-pattern and forms groove drum wax-pattern group, and above-mentioned groove drum wax-pattern group is made shell, and the groove drum single-casting is made in Metal Melting and cast, carries out post processing and obtains the groove drum finished product.
Make the groove drum wax-pattern and form groove drum wax-pattern group and can realize by following manner:
1, produces axial core, select and to produce column type or the double core box that adapts to the outstanding corresponding recessed structural type core sample that wrinkles of existing groove drum internal chamber wall that is provided with on the column type surface, this core is used to form the axis hole part apperance of groove drum, in environment temperature is under the situation of normal temperature, select the cast material of urea for use as core, after melting when above-mentioned raw material are heated to 130 ℃ in heating furnace, when slightly reducing to 110 ℃ of left and right sides, above-mentioned core box mould assembly is poured into a mould, after treat that it solidifies, the demoulding obtains the axial core of urea material.This axial core also material of available similar character is made.
2, penetrate wax, choose the groove drum shaping investment pattern mould of following structure, in temperature was controlled at 20～25 ℃ isoperibol, warm wax material selected for use MYY10-1 type or MYY0.8-2 type to penetrate the wax machine as the mould material in choosing, MQY0.6-2 pattern head machine; Complete operation process under following parameter, wherein wax cylinder temperature is 55 ℃, penetrates 60 ℃ of hawfinch temperature, penetrates wax pressure 2.5MPa, molding pressure 4.5MPa penetrated about 2 minutes wax time, after obtain the groove drum wax-pattern.Certainly, above-mentioned each parameter slightly changes and also should be all right.
3, form groove drum wax-pattern group, in conjunction with referring to Fig. 2, the running gate system apperance of selecting for use is made of cup 9, cross gate 91, two ingates 92, and above-mentioned groove drum wax-pattern is connected formation groove drum wax-pattern group with the running gate system apperance.Also can adopt running gate system apperance suitable in other prior aries.
Following mask body is introduced groove drum shaping investment pattern mould structure, in conjunction with referring to Fig. 1, mold and pattern for casting tool of the present invention, its die ontology 1 is by two half modules 11,12 form, two half modules 11,12 can split and make up, half module 11,12 constitute die cavity 2, die ontology is provided with the liquid shoot hole (not shown), die cavity 2 is communicated with the outside liquid device for casting by liquid shoot hole when penetrating notes, soft elasticity loose piece in the die cavity 2 can set up two (or two groups) separately, one of them (or one group) soft elasticity loose piece 3 is fixedly connected on half module 11 inwalls, another (or one group) soft elasticity loose piece 4 is fixedly connected on half module 12 inwalls, soft elasticity loose piece 3 is useful on the base portion 31 of connection and the forming part 32 of apperance surface recess moulding, soft elasticity loose piece 4 is useful on the base portion 41 of connection and the forming part 42 of groove drum wax-pattern surface recess moulding, above-mentioned half module 11 inwalls and soft elasticity loose piece 3 points of attachment can be provided with fixed groove 111, the base portion 31 of above-mentioned soft elasticity loose piece can embed in the fixed groove 111, above-mentioned half module 12 inwalls and soft elasticity loose piece 4 points of attachment can be provided with fixed groove 121, the base portion 41 of above-mentioned soft elasticity loose piece can embed in the fixed groove 121, the forming part 32 of above-mentioned each loose piece, 42 can form by some wrinkling, and wherein indivedual wrinkling axial cross sections be that close base portion side is narrow, middle part Wide, the overshooting shape that the top is narrow; Above-mentioned soft elasticity loose piece 3,4 can adopt has the hot shrinkage-void of chance or less inotropic elastomeric material making, or other suitable materials are made; Above-mentioned die ontology 1 also is provided with two hard loose pieces 5,6, the hard loose piece can be positioned die ontology 1 axial two ends, the axial core 7 of an also configurable employing urea material in the die cavity 2, the axial two ends of core are respectively for can locate core print, be provided with corresponding connection core print seat at each hard loose piece 5,6 inner face towards die cavity 2, the location core print engages the position of realizing axial core with the connection core print seat to be determined, above-mentioned each relevant locate mode directly adopts or uses for reference prior art and gets final product.Also can adopt other detachable modes that is fixedly connected between above-mentioned soft elasticity loose piece and corresponding half module inwall, or the mode that is fixedly connected that can not be split.
The structure of the bobbin-winding machine groove drum that this method is made is, in conjunction with referring to Fig. 3, and reciprocal spiral grooves 81 about cylindrical shell 8 surfaces have; Helix 82 is a decreasing worm-pitch; The each point width of rebate does not wait; Indivedual groove sections become also on axial cross section that notch is narrow, groove body Wide, the narrow again vase-like of bottom land.Adopt above-mentioned mould, set the forming part of soft elasticity loose piece 3,4 corresponding respective groove sections for suitable shape, the demoulding smoothly after the moulding of the special channel member phantom of this class sample, thus utilize this mould to realize the monoblock cast of this base part.
Above-mentioned soft elasticity loose piece 3 can adopt following technical approach to produce, select two half modules of opposite opened for use, and finished product groove drum (referring to the groove drum that bobbin-winding machine adopts in the prior art) cylindrical shell 8 is formed soft elasticity loose piece mould as core, each half module inwall of this loose piece mould adopts and the identical version of the corresponding half module inwall of groove drum shaping investment pattern mould, a half module that is the loose piece mould is identical with above-mentioned half module 11 internal faces, and be provided with and fixed groove 111 corresponding soft loose piece base portion 31 forming tank, another half module of loose piece mould is identical with above-mentioned half module 12 internal faces, and be provided with and fixed groove 121 corresponding soft loose piece base portion 41 forming tank, choose suitable sizing material, adopt the moulding of rubber molding technical approach behind the soft elasticity loose piece mould mould assembly, after the demoulding, obtain soft elasticity loose piece, this soft elasticity loose piece has and the corresponding forming part of groove drum drum surface spiral grooves.In the aforesaid way,, also can be expressed as each half module inwall of groove drum shaping investment pattern mould and adopt and the identical version of the corresponding half module inwall of loose piece mould according to sequencing.
Above-mentioned groove drum wax-pattern group is made shell and is realized by following mode: 1, be coated with the hanging material and cover sand: be controlled under 22～25 ℃ of isoperibols in temperature and carry out; Slurry is selected Ludox and zirconium powder for use, and husky material is selected zircon sand, Mo Laisha for use, do not come powder etc.; Pulp grinder and floating sand machine are stained with in equipment choosing; Slurry was added slurry tube back continuous stirring 24 hours in proportion, and viscosity is measured as 8～12S with flow cup; Being stained with the slurry process of sanding is, be coated with liners starch the 1st layer → be coated with liners starch the 2nd layer+cover the 1st layer of zircon sand → be coated with liners starch the 3rd layer+cover the 2nd layer of zircon sand → be coated with hang backing layer starch the 1st layer+cover do not come the 1st layer in powder → be coated with hang backing layer starch the 2nd layer+cover do not come the 2nd layer in powder → be coated with hang backing layer starch the 3rd layer+cover do not come the 1st layer in sand → be coated with hang backing layer starch the 4th layer+cover and do not come the 2nd layer in sand → seal slurry.2, dewaxing: select each one of steam generator, MLT0.8-702 type dewaxing still for use; Under the aftermentioned parameter, finish the dewaxing of groove drum wax-pattern group, as 150～160 ℃ of vapor (steam) temperatures, steam pressure 0.8MPa, 20 minutes dewaxing time.3, roasting: select the fuel oil roaster for use, the roasting parameter is, 1000 ℃ of sintering temperatures, and roasting time 45 minutes, the shell temperature is 800 ℃ during cast, obtains casting mold.
The method of groove drum single-casting is made in above-mentioned metal material melting and cast can take following mode: 1, Metal Melting: select the 100kg medium-frequency induction furnace for use, choose metal material, its chemical composition is: 3.3%C, 2.4%Si, 0.6%Mn, 0.06%P, 0.028%S, 0.024%Re, 0.024%Mg, 0.15%Ti, 1.0%Cu, 1.5%Ni, smelting temperature is 1450 ℃,, add the silicon inoculation and add magnesium-rare earth and the processing of wriggling of ferrosilicon with cullet+orpiment sand+lime stone slag hitting in molten clear back.2, cast: aforesaid way is made molten metal, left standstill 5～10 minutes, temperature is adjusted to 1350 ℃, carries out casting-up and obtains the groove drum single-casting.
The post processing of above-mentioned groove drum single-casting can be taked following manner: shake shell → saw cast gate → mill cast gate → ball blast sand removal → groove face polishing, also can carry out coating and respective detection or the like.
Claims (10)
1, a kind of integral precision casting method of bobbin-winding machine groove drum is carried out: make the groove drum wax-pattern and form groove drum wax-pattern group according to the following steps; Above-mentioned groove drum wax-pattern group is made shell; The groove drum single-casting is made in metal material melting and cast; Carry out post processing and obtain the groove drum finished product; The step of above-mentioned making groove drum wax-pattern and formation groove drum wax-pattern group has, 1. processing and manufacturing mould: this die ontology is made up of two half modules, above-mentioned die ontology is provided with and can be positioned two the hard loose pieces of apperance body shaft to two ends, two half module formation die cavities capable of being combined, this die cavity can be penetrated wax apparatus by liquid shoot hole on the die ontology and outside and be communicated with, be provided with the soft elasticity loose piece that is fixedly connected respectively on the two-half die inwall in the above-mentioned die cavity, above-mentioned soft elasticity loose piece is useful on the base portion of connection and the forming part of apperance Surface Groove section moulding, some place is axially axially identical with the normal section at groove drum die surface correspondent section groove corresponding point position with it with the normal section at certain for a certain section forming part, also dispose following axial core in the above-mentioned die cavity, the axial two ends of core are provided with corresponding connection core print seat at each hard loose piece towards the inner face of die cavity respectively for can locate core print; 2. the axially preparation of core: adopt suitable core box structure, make the urea material core body that adapts to groove drum axis hole and inner chamber form; 3. penetrate was moulding: with above-mentioned mould mould assembly, by penetrating wax apparatus by liquid shoot hole injecting fluid wax in the apperance die cavity, treat that liquid wax solidifies then, die sinking is deviate from the back and is immersed that the stripping core is the groove drum wax-pattern in the water; 4. above-mentioned groove drum wax-pattern and running gate system apperance are formed groove drum wax-pattern group.
2, the integral precision casting method of bobbin-winding machine groove drum according to claim 1 is characterized in that: described half module inwall and soft elasticity loose piece point of attachment are provided with fixed groove, and the base portion of above-mentioned soft elasticity loose piece can embed in the fixed groove; In said fixing groove and the above-mentioned base portion relative bonding face, one of them opposite face can be provided with several projections portion, and another opposite face can be provided with corresponding recess.
3, the integral precision casting method of bobbin-winding machine groove drum according to claim 1 and 2 is characterized in that: described soft elasticity loose piece adopts has the hot shrinkage-void of chance or less inotropic rubber type of material making.
4, the integral precision casting method of bobbin-winding machine groove drum according to claim 3, it is characterized in that: described soft elasticity loose piece adopts following technical approach to produce, select two half modules of opposite opened for use, and the finished product groove drum is formed soft elasticity loose piece mould as core; Each half module inwall of this loose piece mould adopts and the identical version of the corresponding half module inwall of groove drum shaping investment pattern mould, or each half module inwall of groove drum shaping investment pattern mould adopts and the identical version of the corresponding half module inwall of loose piece mould; Choose sizing material, adopt the moulding of rubber molding technical approach behind the soft elasticity loose piece mould mould assembly, the demoulding obtains soft elasticity loose piece.
5, the integral precision casting method of bobbin-winding machine groove drum according to claim 1 and 2, above-mentioned groove drum wax-pattern group is made shell and is comprised following mode: 1. make shell material and select for use: Ludox, zircon sand, zirconium powder, Mo Laisha, do not come powder, wherein Ludox and zirconium powder mix as slurry, zircon sand, Mo Laisha, do not come powder as covering sand; 2. be coated with the hanging material and cover sand; 3. drying and sclerosis; 4. dewaxing of groove drum wax-pattern and roasting become casting mold.
6, the integral precision casting method of bobbin-winding machine groove drum according to claim 4, above-mentioned groove drum wax-pattern group is made shell and is comprised following mode: 1. make shell material and select for use: Ludox, zircon sand, zirconium powder, Mo Laisha, do not come powder, wherein Ludox and zirconium powder mix as slurry, zircon sand, Mo Laisha, do not come powder as covering sand; 2. be coated with the hanging material and cover sand; 3. drying and sclerosis; 4. dewaxing of groove drum wax-pattern and roasting become casting mold.
7, the integral precision casting method of bobbin-winding machine groove drum according to claim 5 above-mentionedly is coated with the hanging material and covers the sand mode and have: be coated with liners starch the 1st layer → be coated with liners starch the 2nd layer+cover the 1st layer of zircon sand → be coated with liners starch the 3rd layer+cover the 2nd layer of zircon sand → be coated with hang backing layer starch the 1st layer+cover do not come the 1st layer in powder → be coated with hang backing layer starch the 2nd layer+cover do not come the 2nd layer in powder → be coated with hang backing layer starch the 3rd layer+cover do not come the 1st layer in sand → be coated with hang backing layer starch the 4th layer+cover and do not come the 2nd layer in sand → seal slurry; Above-mentioned surface layer slurry, backing layer slurry and seal slurry and select Ludox and zirconium powder for use.
8, the integral precision casting method of bobbin-winding machine groove drum according to claim 6 above-mentionedly is coated with the hanging material and covers the sand mode and have: be coated with liners starch the 1st layer → be coated with liners starch the 2nd layer+cover the 1st layer of zircon sand → be coated with liners starch the 3rd layer+cover the 2nd layer of zircon sand → be coated with hang backing layer starch the 1st layer+cover do not come the 1st layer in powder → be coated with hang backing layer starch the 2nd layer+cover do not come the 2nd layer in powder → be coated with hang backing layer starch the 3rd layer+cover do not come the 1st layer in sand → be coated with hang backing layer starch the 4th layer+cover and do not come the 2nd layer in sand → seal slurry; Above-mentioned surface layer slurry, backing layer slurry and seal slurry and select Ludox and zirconium powder for use.
9, the integral precision casting method of bobbin-winding machine groove drum according to claim 1 and 2, the mode that the groove drum single-casting is made in above-mentioned metal material melting and cast has: 1. choose metal material: its chemical composition is 3.3%C, 2.4%Si, 0.6%Mn, 0.06%P, 0.028%S, 0.024%Re, 0.024%Mg, 0.15%Ti, 1.0%Cu, 1.5%Ni; 2. fusion process is, smelting temperature is 1450 ℃, and molten clear back adds the silicon inoculation, and adds magnesium-rare earth and the processing of wriggling of ferrosilicon with cullet+orpiment sand+lime stone slag hitting; 3. cast, above-mentioned molten metal left standstill 5～10 minutes, and temperature is adjusted to 1350 ℃, running castings.
10, the integral precision casting method of bobbin-winding machine groove drum according to claim 8, the mode that the groove drum single-casting is made in above-mentioned metal material melting and cast is: 1. choose metal material, its chemical composition is 3.3%C, 2.4%Si, 0.6%Mn, 0.06%P, 0.028%S, 0.024%Re, 0.024%Mg, 0.15%Ti, 1.0%Cu, 1.5%Ni; 2. fusion process is, smelting temperature is 1450 ℃, and molten clear back adds the silicon inoculation, and adds magnesium-rare earth and the processing of wriggling of ferrosilicon with cullet+orpiment sand+lime stone slag hitting; 3. cast, above-mentioned molten metal left standstill 5～10 minutes, and temperature is adjusted to 1350 ℃, running castings.
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| CNB2004100239593A CN100509211C (en) | 2004-04-22 | 2004-04-22 | Method of integral precision casting groove traverse drum in bobbin winder |
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| CNB2004100239593A CN100509211C (en) | 2004-04-22 | 2004-04-22 | Method of integral precision casting groove traverse drum in bobbin winder |
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| 络纱槽筒的特点及其发展. 张梅琳等.纺织学报，第27卷第5期. 2006 |
| 络纱槽筒的特点及其发展. 张梅琳等.纺织学报，第27卷第5期. 2006 * |
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Assignee: Qingdao Tongchun Electromechanical Technology Co., Ltd. Assignor: Cui Peizhi|Cui Zhaoxing Contract record no.: 2010370000631 Denomination of invention: Method of integral precision casting groove traverse drum in bobbin winder Granted publication date: 20090708 License type: Exclusive License Open date: 20050112 Record date: 20101224 |
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