CN101214570A - Method of preparing diamond bead - Google Patents
Method of preparing diamond bead Download PDFInfo
- Publication number
- CN101214570A CN101214570A CNA2008100544448A CN200810054444A CN101214570A CN 101214570 A CN101214570 A CN 101214570A CN A2008100544448 A CNA2008100544448 A CN A2008100544448A CN 200810054444 A CN200810054444 A CN 200810054444A CN 101214570 A CN101214570 A CN 101214570A
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- core body
- bead
- diamond bead
- diamond
- pearl body
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Abstract
A diamond bead manufacture method belongs to the technical field of diamond bead used for solving the defects of poor reliability for the felting of a core body and a bead body, short service life and low manufacture efficiency in the existing manufacture method. The technical scheme includes the steps of dosing, dry mixing, adding diamond powder and adhesive wet mixing, particle manufacturing, manufacturing and assembling of the core body and the bead body as well as heating and sintering. A clearance for sleeve is reserved between the bead body and the core body. A welding wire ring is additionally sleeved on the externally revealed end of the core body and is heated and sintered to vacuum baking with a baking temperature of 830 to 1050 DEG C and a baking time of 30 t0 60 minutes; the welding wire ring after melted in the sintering process penetrates into the bead powder through the clearance between the bead body and the core body to realize the felting between the bead body and the core body; the invention has the advantages of good felting intensity, good reliability, difficult falling off from the core body of the bead body, long service life and the invention can improve the manufacture efficiency in large scale by selecting a vacuum furnace with big volume.
Description
Technical field
The present invention relates to the to restrict manufacture method of saw in particular to the manufacture method of diamond bead string rope tool, belongs to the diamond bead technical field.
Background technology
Diamond pearl beading fasten at interval and just form the diamond bead rope saw on steel wire ropes.Diamond bead is made up of the core body of metal material and the suit diamond pearl body on it, mostly adopt electroplating inlaying or the processing and manufacturing of graphite resistance heat-agglomerating method, electroplating inlaying method production technology is simple, but metal plating layer is limited to the hold of pearl body, diamond pearl body is easily by coming off in advance on the core body, coating layer is thin partially, and service life is shorter; In the graphite resistance heat-agglomerating method, the mould pressure head is thinner, very easily damages, and causes the production cost height, limited to by the body of heater cavity volume, and every stove only can sintering 30～40, and production efficiency is low.To sum up, should seek the manufacture method of more advanced diamond bead.
Summary of the invention
The purpose of this invention is to provide a kind of method of preparing diamond bead, this method should have that core body and pearl body bonding is firm, long service life, characteristics that production efficiency is high.
The alleged problem of the present invention realizes with following technical scheme:
A kind of method of preparing diamond bead, comprise that metal dust prepares burden in proportion, goes into that batch mixer do to mix, adds diamond dust and binding agent wet mixing, goes into the comminutor granulation, makes pearl body and core body and assembling, each step of assembly heat-agglomerating, its unique distinction is, in described making pearl body and core body and the number of assembling steps, reserve the suit gap between pearl body and the core body, two of core body expose and increase the cover wire loop on the termination; Described assembly heat-agglomerating vacuumizes roasting for going into vacuum drying oven, and sintering temperature is 830～1050 ℃, and the time is 30～60 minutes.
Above-mentioned method of preparing diamond bead, described suit gap is 0.01～0.05mm.
Above-mentioned method of preparing diamond bead describedly vacuumizes roasting, and final vacuum is 6.6 * 10
-3Pa.
Above-mentioned method of preparing diamond bead describedly vacuumizes roasting, and vacuum drying oven adopts big capacity ovens, and furnace chamber should be piled up 7000～9000 assemblies.
Above-mentioned method of preparing diamond bead, in described making pearl body and core body and the number of assembling steps, the pearl body adopts steel mold cold moudling production method, and the quantity of the moulding nib on the steel mold is 6～12, and the staking punch of stamping machine is the many drifts form staking punch that mates with steel mold.
Above-mentioned method of preparing diamond bead is describedly gone into batch mixer to do the time of mixing is 60～120 minutes, and the time of described adding diamond and binding agent wet mixing is 50-80 minute.
The present invention has following characteristics:
1. package assembly between pearl body and core body and bonding mode have been carried out breakthrough innovation improvement, the wire loop that provides fusing back is penetrated into bonding mode in the pearl body powder by slit between pearl body and core body, the adhesion strength height, the bonding fixing is good, the pearl body is difficult for by coming off the significant prolongation of long service life on the core body;
2. can break through graphite resistance heat-agglomerating method and be subjected to an electrical heating restriction that the quantity restriction can't be produced in enormous quantities easily by selecting for use the high-capacity vacuum sintering furnace significantly to enhance productivity;
3. the pearl body adopts steel mold cold moudling production method, and steel mold structural strength height is not fragile, can lead to the multimode well format and significantly improve the cold moudling working (machining) efficiency;
4. the making of pearl body and simple with the assembly operation of core body etc.
Description of drawings
Fig. 1 is pearl body and core body assembling schematic diagram;
Fig. 2 is final diamond bead product schematic diagram.
The parts label is respectively in the accompanying drawing: 1-pearl body, 2-core body, 3-wire loop.
The specific embodiment
The present invention includes conventional metal dust prepares burden, goes into batch mixer in proportion and do and mix, add diamond dust and binding agent carries out wet mixing, goes into the comminutor granulation, makes pearl body and core body and assembling, each step of assembly heat-agglomerating.The component and the proportional quantity of metal dust in the batching in proportion, in the wet mixing granularity of diamond dust, addition and binding agent specifically choose and addition etc. is decided on the requirement of diamond bead product.
Consult Fig. 1.Main innovation of the present invention is making the significant improvement of pearl body and core body and number of assembling steps, and improvement is, reserves the suit gap between pearl body 1 and the core body 2, and two of core body expose to increase on the termination and overlap wire loop 3; Simultaneously, the heat-agglomerating of assembly is adopted and is vacuumized roasting, and sintering temperature is 830～1050 ℃, and the time is 30～60 minutes.
Consult Fig. 1,2.The physical dimension of pearl body 1, core body 2 is decided on concrete diamond bead product, the suit gap can be controlled in 0.01～0.05 millimeter the scope, the wire loop 3 that increases, the external diameter of annular distance and core body 2 coupling in it, wire loop 3 penetrates into the powder inside of pearl body 1 by the suit gap under the effect in negative pressure of vacuum after the vacuum-sintering fusing, pearl body 1 and core body 2 are closely bonded together reliably, and assembly just obtains final diamond bead product shown in Figure 2 after coming out of the stove with the stove cooling.The final vacuum of vacuum sintering furnace is 6.6 * 10
-3The vacuum sintering furnace of Pa, furnace chamber is advisable can pile up 7000～9000 assemblies, to enhance productivity.
Still consult Fig. 1.Pearl body 1 is by the cold moudling fabrication techniques, and cold pressing forming mould adopts steel mold, and the quantity of the moulding nib of arranging on the steel mold can be 6～12, to enhance productivity.Stamping machine can be selected hydraulic press for use, and staking punch is many punch types staking punch of coupling, and a punching press can suppress 6～12 pearl bodies 1.Steel mold can corresponding diamond bead product specification purchase many covers.Core body 2 is the core retainer plate of T8 or T10 material, can obtain by metal cutting processing.
Among the present invention, go into dried the doing time of batch mixer after metal dust is prepared burden in proportion and can be 60～120 minutes, batch mixer can be selected the three-dimensional blender machine for use; The wet mixing time behind adding diamond dust and the binding agent can be 50-80 minute.
The present invention is described in more detail below in conjunction with embodiment.
Embodiment 1:
Co, Sn, Ni metal dust are pressed 1 kilogram of 80%: 5%: 15% proportioning;
The proportioning material is put into GM130 three-dimensional blender machine to be done mixed 90 minutes;
Add 40/50 granularity diamond 42 gram and be that 60% isopropyl alcohol is joined 100 milliliters of wet mixings of binding agent 60 minutes, make it even with concentration;
The wet feed of mixing is gone into the granulation of GA180 granulator;
Make pearl body 1 by cold moudling, in the present embodiment, the external diameter of pearl body 1 is 11 millimeters, and internal diameter is 8.5 millimeters, and base length is 7.5 millimeters, the steel mold of selecting for use, and quantity of moulding nib is 6 on it.With balance particulate material is divided into 6 parts (every part 2.1 grams), be filled into one by one in 6 moulding nibs, the vibration steel mold makes the particulate material in each hole closely knit evenly, select staking punch for use with six statures with the steel mold coupling, on the 100T hydraulic press, carry out the moulding punching press, stamping pressure is 3.5MPa, pressurize 5～8 seconds;
By the core body 2 of metal cutting processing coupling, its external diameter is 8.5 millimeters, and endoporus is 5 millimeters, and body length is 10 millimeters, and material is T10;
Make wire loop 3, annular distance is 8.5 millimeters in it, and the silk footpath is 1 millimeter;
Pearl body 1 is inserted in the core body 2 and exposes suit wire loop 3 on the termination two of core body 2 by shown in Figure 1, the suit gap behind the plug-in mounting is 0.02 millimeter;
Assembly is piled up in the vacuum sintering furnace, the roasting of heating after vacuumizing, limit suction is 6.6 * 10
-3Pa, sintering temperature are 860 ℃, and roasting time is 60 minutes, and in the present embodiment, the vacuum sintering furnace model is that ZS50-13, power are 50KW, and the useful space is 500 * 250 * 250mm, can pile up 7548 pearl bodies of every stove green compact assembly in the stove;
Cooling is afterwards come out of the stove, and just obtains final diamond bead product shown in Figure 2.
Embodiment 2:
C0, Sn, Fe, Ni metal dust were pressed 45%: 5%: 35%: 1 kilogram of 15% proportioning;
The proportioning material is put into GM130 three-dimensional blender machine to be done mixed 90 minutes;
Add 40/50 granularity diamond 36 gram and be that 60% isopropyl alcohol is joined 100 milliliters of wet mixings of binding agent 60 minutes, make it even with concentration;
The wet feed of mixing is gone into the granulation of GA180 granulator;
Make pearl body 1 by cold pressing forming process, the external diameter of pearl body 1 is 11.5 millimeters in the present embodiment, internal diameter is 7.8 millimeters, base length is 7.0 millimeters, the steel mold of selecting for use, the quantity of the moulding nib on it is 8, with balance particulate material is divided into 8 parts (every part 2.8 grams), be filled into one by one in 8 moulding nibs, swing die makes the particulate material in each hole closely knit evenly, selects the staking punch with 8 statures that mates with steel mold for use, carries out the moulding punching press on the 100T hydraulic press, stamping pressure is 4.5MPa, pressurize 5～8 seconds;
By the core body 2 of metal cutting processing coupling, its external diameter is 7.8 millimeters, and endoporus is 5 millimeters, and body length is 11 millimeters, and material is T8;
Make wire loop 3, annular distance is 7.8 millimeters in it, and the silk footpath is 1 millimeter;
Pearl body 1 is inserted in the core body 2 and exposes suit wire loop 3 on the termination two of core body 2 by shown in Figure 1, the suit gap behind the suit is 0.02 millimeter;
Assembly is piled up in the vacuum sintering furnace, the roasting of heating after vacuumizing, limit suction is 6.6 * 10
-3Pa, sintering temperature are 855 ℃, and roasting time is 60 minutes, and in the present embodiment, the vacuum sintering furnace model is that ZS50-13, power are 50KW, and size is 500 * 250 * 250mm, can pile up 7200 assemblies of every stove in the stove; Cooling is afterwards come out of the stove, and just obtains final diamond bead product.
Claims (6)
1. method of preparing diamond bead, comprise that metal dust prepares burden in proportion, goes into that batch mixer do to mix, adds diamond dust and binding agent wet mixing, goes into the comminutor granulation, makes pearl body and core body and assembling, each step of assembly heat-agglomerating, it is characterized in that, in described making pearl body and core body and the number of assembling steps, reserve the suit gap between pearl body and the core body, two of core body expose and increase the cover wire loop on the termination; Described assembly heat-agglomerating vacuumizes roasting for going into vacuum drying oven, and sintering temperature is 830～1050 ℃, and the time is 30～60 minutes
2. method of preparing diamond bead according to claim 1 is characterized in that, described suit gap is 0.01～0.05mm.
3. method of preparing diamond bead according to claim 2 is characterized in that, describedly vacuumizes roasting, and final vacuum is 6.6 * 10
-3Pa.
4. according to claim 1,2 or 3 described method of preparing diamond bead, it is characterized in that describedly vacuumize roasting, vacuum drying oven adopts big capacity ovens, furnace chamber should be piled up 7000～9000 assemblies.
5. method of preparing diamond bead according to claim 4, it is characterized in that, in described making pearl body and core body and the number of assembling steps, the pearl body adopts steel mold cold moudling production method, the quantity of the moulding nib on the steel mold is 6～12, and the staking punch of stamping machine is the many drifts form staking punch that mates with steel mold.
6. method of preparing diamond bead according to claim 5 is characterized in that, describedly goes into batch mixer to do the time of mixing be 60～120 minutes, and the time of described adding diamond and binding agent wet mixing is 50-80 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100544448A CN101214570A (en) | 2008-01-18 | 2008-01-18 | Method of preparing diamond bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100544448A CN101214570A (en) | 2008-01-18 | 2008-01-18 | Method of preparing diamond bead |
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|---|---|
| CN101214570A true CN101214570A (en) | 2008-07-09 |
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| CNA2008100544448A Pending CN101214570A (en) | 2008-01-18 | 2008-01-18 | Method of preparing diamond bead |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825254A (en) * | 2012-09-05 | 2012-12-19 | 厦门致力金刚石科技股份有限公司 | Diamond bead string and manufacturing method thereof as well as rope saw without base body supporting layer |
| CN103144202A (en) * | 2013-03-12 | 2013-06-12 | 厦门致力金刚石科技股份有限公司 | Spring-built-in-string bead type diamond rope saw and manufacturing method |
| CN106077634A (en) * | 2016-08-24 | 2016-11-09 | 广州晶体科技有限公司 | Beading cold stamping die and use the beading production method of this cold stamping die |
| CN106077633A (en) * | 2016-08-24 | 2016-11-09 | 广州晶体科技有限公司 | Beading cold stamping die and use the beading production method of this cold stamping die |
| CN109249029A (en) * | 2018-11-20 | 2019-01-22 | 桂林特邦新材料有限公司 | Sintering process method suitable for a double-body furnace low pressure sintering beading |
| CN109482884A (en) * | 2018-10-25 | 2019-03-19 | 广东奔朗新材料股份有限公司 | A kind of preparation method of diamond bead |
| CN109848768A (en) * | 2019-01-30 | 2019-06-07 | 桂林特邦新材料有限公司 | Diamond bead automatic edging machine |
| CN110340347A (en) * | 2019-07-15 | 2019-10-18 | 石家庄海川工具有限公司 | Add the diamond wire saw bead of cubic boron nitride and the preparation process of diamond rope saw |
| CN110653371A (en) * | 2019-11-12 | 2020-01-07 | 荣成中磊科技发展有限公司 | High-cold-press molding process for diamond wire saw bead string |
| CN111822716A (en) * | 2020-07-21 | 2020-10-27 | 泉州华大超硬工具科技有限公司 | Preparation method of novel technical bead string |
-
2008
- 2008-01-18 CN CNA2008100544448A patent/CN101214570A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825254A (en) * | 2012-09-05 | 2012-12-19 | 厦门致力金刚石科技股份有限公司 | Diamond bead string and manufacturing method thereof as well as rope saw without base body supporting layer |
| CN102825254B (en) * | 2012-09-05 | 2015-02-25 | 厦门致力金刚石科技股份有限公司 | Diamond bead string and manufacturing method thereof as well as rope saw without base body supporting layer |
| CN103144202A (en) * | 2013-03-12 | 2013-06-12 | 厦门致力金刚石科技股份有限公司 | Spring-built-in-string bead type diamond rope saw and manufacturing method |
| CN106077633B (en) * | 2016-08-24 | 2018-06-12 | 广州晶体科技有限公司 | Beading cold stamping die and the beading production method using the cold stamping die |
| CN106077633A (en) * | 2016-08-24 | 2016-11-09 | 广州晶体科技有限公司 | Beading cold stamping die and use the beading production method of this cold stamping die |
| CN106077634B (en) * | 2016-08-24 | 2018-06-12 | 广州晶体科技有限公司 | Beading cold stamping die and the beading production method using the cold stamping die |
| CN106077634A (en) * | 2016-08-24 | 2016-11-09 | 广州晶体科技有限公司 | Beading cold stamping die and use the beading production method of this cold stamping die |
| CN109482884A (en) * | 2018-10-25 | 2019-03-19 | 广东奔朗新材料股份有限公司 | A kind of preparation method of diamond bead |
| CN109249029A (en) * | 2018-11-20 | 2019-01-22 | 桂林特邦新材料有限公司 | Sintering process method suitable for a double-body furnace low pressure sintering beading |
| CN109848768A (en) * | 2019-01-30 | 2019-06-07 | 桂林特邦新材料有限公司 | Diamond bead automatic edging machine |
| CN109848768B (en) * | 2019-01-30 | 2023-08-15 | 桂林特邦新材料有限公司 | Automatic diamond bead sharpening machine |
| CN110340347A (en) * | 2019-07-15 | 2019-10-18 | 石家庄海川工具有限公司 | Add the diamond wire saw bead of cubic boron nitride and the preparation process of diamond rope saw |
| CN110653371A (en) * | 2019-11-12 | 2020-01-07 | 荣成中磊科技发展有限公司 | High-cold-press molding process for diamond wire saw bead string |
| CN110653371B (en) * | 2019-11-12 | 2022-07-22 | 荣成中磊科技发展有限公司 | High-cold-press molding process for diamond wire saw bead string |
| CN111822716A (en) * | 2020-07-21 | 2020-10-27 | 泉州华大超硬工具科技有限公司 | Preparation method of novel technical bead string |
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Open date: 20080709 |