CN107119206A - A kind of high-strength powder metallurgical brass base shaft coupling - Google Patents
A kind of high-strength powder metallurgical brass base shaft coupling Download PDFInfo
- Publication number
- CN107119206A CN107119206A CN201710354472.0A CN201710354472A CN107119206A CN 107119206 A CN107119206 A CN 107119206A CN 201710354472 A CN201710354472 A CN 201710354472A CN 107119206 A CN107119206 A CN 107119206A
- Authority
- CN
- China
- Prior art keywords
- shaft coupling
- powder metallurgical
- brass base
- base shaft
- strength powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
It is an object of the invention to provide a kind of high-strength powder metallurgical brass base shaft coupling, the shaft coupling includes each component of following mass fraction：Zn element powders：28 32%, rare earth element powder：0.5 0.7%, surplus is copper powders and inevitable impurity.The present invention is solved has many variables when tradition machinery is processed, it is difficult to ensure the technical problem of the uniformity of its size.
Description
Technical field
The present invention relates to bearing mnanufacture field, more particularly to a kind of high-strength powder metallurgical brass base shaft coupling.
Background technology
Shaft coupling is that engineering goods shafting is driven the most frequently used connection parts.The domestic and international coupling product hair of 20 th century laters
Quickly, in product design, how from kind is a lot of, in different properties various shaft couplings, selection can meet machine requirement for exhibition
Shaft coupling, for most designers, be all the time one puzzlement the problem of.Conventional shaft coupling has diaphragm coupling, tooth-like
Axle device, plum coupling, oldham coupling, drum-shaped tooth type shaft coupling, Hooks coupling universal coupling, safety coupling, yielding coupling and
Falk flexible coupling.
At present, shaft coupling is used in lathe more and more and semiconductor system style makes machinery etc. and passes through servo-drive system
On the precision optical machinery of control.In these fields, and unlike general manufacture machinery, shaft coupling necessarily requires its to export phase
For inputting with very high tracing ability.Particularly requiring that high-frequency just reversing, high accuracy positioning and 20000r/min with
On high speed rotation working machine in use, shaft coupling is in addition to itself must possess high rigidity, it is necessary to ability
The ability of the high resiliency limit tired out loaded by reversed torsion, to adapt to run at high speed.Therefore, shaft coupling must possess height originally
Moment of torsion rigidity, zero gyration aperture, elastomer compensation manufacture machinery in transmission process produced by two axles radially, axially, angularly
Deviation, it is equal with turning anticlockwise characteristic clockwise the features such as.
Extensive application of the shaft coupling on industrial machinery, thus for high intensity shaft coupling new material it is newly-designed making and
Production application will certainly arise at the historic moment, and the design invention is exactly a kind of high prepared by compacting by the production technology of powder metallurgy
Strength powder metallurgy shaft coupling.
The content of the invention
Technical problem：It is an object of the invention to provide a kind of high-strength powder metallurgical brass base shaft coupling and its manufacturer
Method, solves and there are many variables when tradition machinery is processed, it is difficult to ensure the technical problem of the uniformity of its size.
Technical scheme：To achieve the above object, the present invention provides following technical scheme：
The present invention is a kind of high-strength powder metallurgical brass base shaft coupling, and the shaft coupling includes the group of following mass fraction
Point：
Zn element powders 28-32%
Rare earth element powder 0.5-0.7%
Surplus is copper powders and inevitable impurity.
It is preferred that, the mass percent of each element is in the shaft coupling：Zn element powders 29.5%, rare earth element powder
0.6%, surplus is copper powders and inevitable impurity, and the quality of the impurity is less than the 0.1% of the positioning sleeve.
It is preferred that, the shaft coupling is hollow circular cylinder, and cylindrical member at one end is connected with 45 ° of fan sections, fan section and cylinder it
Between circle R radians connection.
Wherein, the shaft coupling internal diameter is Ф 3.3cm, and external diameter is Ф 6.3cm.
The shaft coupling pie-slice radius is 7.3cm, is highly 4.7cm.
Beneficial effect：Compared with prior art, the beneficial effects of the invention are as follows：
1st, the high-strength powder metallurgical brass base shaft coupling that the present invention is provided, 45 degree of fan sections are changed disposably together with cylinder
Produce, and the mode of circle R transition, the intensity and toughness of product are ensure that to greatest extent.It is easily fabricated, it is not necessary to cut
Cut processing.
2nd, the high-strength powder metallurgical brass base shaft coupling that provides of the present invention is come by mould is suppressed, therefore its wheel
The uniformity of wide, shape and size very well, solves and there are many variables when tradition machinery is processed, it is difficult to ensure that its chi
The technical problem of very little uniformity.
3rd, the high-strength powder metallurgical brass base shaft coupling that the present invention is provided, stock utilization is high, reaches more than 99.5%；
Using together change manufacture, not only saved the processing installation process in later stage, and substantially increase the intensity of its own and
Toughness.
Brief description of the drawings
Fig. 1 is the manufacture method flow chart of high-strength powder metallurgical brass base shaft coupling in the present invention.
Fig. 2 is the end face top view of high-strength powder metallurgical brass base shaft coupling in the present invention.
Fig. 3 is the sectional view of high-strength powder metallurgical brass base shaft coupling in the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Described in a kind of accompanying drawing or embodiment of the present invention
Element and the element that can be shown in one or more other accompanying drawings or embodiment of feature and feature be combined.Should
Note, for purposes of clarity, eliminated in accompanying drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art
Part and the expression and description of processing.Based on the embodiment in the present invention, those of ordinary skill in the art are not paying creation
Property work on the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
As shown in Figure 2 and Figure 3, high-strength powder metallurgical brass base shaft coupling of the present invention is that internal diameter is that Ф 3.3cm external diameters are
Ф 6.3cm cylinder, 45 degree fan-shaped products of the one end with R7.3cm highly for 4.7cm, 45 degree of fan sections and cylinder
Change together and disposably produce, and the connected mode of circle R transition, the intensity and toughness of product are ensure that to greatest extent.
Embodiment 1
A kind of high-strength powder metallurgical brass base shaft coupling of the present invention, the shaft coupling includes each group of following mass fraction
Point：Zn element powders：28%th, rare earth element powder：0.6%, surplus is copper powders and inevitable impurity, the weight of impurity
0.1% of amount less than the positioning sleeve weight.
As shown in figure 1, a kind of preparation method flow chart of high-strength powder metallurgical brass base shaft coupling for the present invention, institute
Shaft coupling manufacture method is stated to comprise the following steps：
S101：Powder is mixed：The original washing powder of selection purity more than 99.99% first is matched and filled by V-type batch mixer
Divide mixing, the material powder of following mass percent is put into batch mixer and mixed, and obtain batch mixing powder, Zn element powders：
28%th, rare earth element powder：0.6%, surplus is copper powders and inevitable impurity；
S102：Low temperature diffusion：Will it is well mixed after batch mixing powder in diffusion furnace by by 200 DEG C, in the protection of N gas
35 minutes low temperature diffusions of lower progress, make the advance alloying of part metals.
S103：It is compressing：Powder after low temperature diffusion is placed in compressing in mould, is pressed into pressed compact；Pressure is
150MPa, pressed density is 7.2g/cm3。
S104：Sintering processes：By above-mentioned pressed compact it is evenly laid out hold burn box in and be capped in N gas reducing atmospheres, gradually
Sintering heating was warming up to 300 DEG C through 0.5 hour, then main sintering is heated to 850 DEG C, constant temperature 0.5 hour, then through 0.5 hour by
Gradually cooling down sinters alloy sintered compact into normal temperature；
S105：Finishing：Alloy sintered compact after above-mentioned deburring is subjected to compacting integer formation rolled-up stock with pressing mold, has it
There is the casting die of defined shape, defined density and given size precision；
S106：Immersion oil processing：The rolled-up stock is placed in vacuum immersion oil machine during progress immersion oil processing, immersion oil and kept
80 DEG C, the hole in workpiece is full of high antiwear lubricating oil, the high-strength powder metallurgical brass base shaft coupling is obtained, with volume hundred
Divide than meter, the oil content of the shaft coupling is 5%.
Embodiment 2
A kind of high-strength powder metallurgical brass base shaft coupling of the present invention, the shaft coupling includes each group of following mass fraction
Point：Zn element powders：30%th, rare earth element powder：0.6%, surplus is copper powders and inevitable impurity.
Production method be the same as Example 1
Embodiment 3
A kind of high-strength powder metallurgical brass base shaft coupling of the present invention, the shaft coupling includes each group of following mass fraction
Point：Zn element powders：32%th, rare earth element powder：0.6%, surplus is copper powders and inevitable impurity.
Production method be the same as Example 1
Implementation result：
Table 1 is the oil content of high-strength powder metallurgical brass base shaft coupling of the present invention, radial crushing strength, tensile strength,
The measurement result of twist-off force, apparent hardness.
Oil content, radial crushing strength, tensile strength, twist-off force, the apparent hardness of the shaft coupling of table 1
| Sample | Oil content % | Radial crushing strength (MPa) | Tensile strength (N) | Twist-off force (N-m) | Apparent hardness (HB) |
| Embodiment 1 | 5% | 538 | 418 | 4.83 | 52.5 |
| Embodiment 2 | 6% | 562 | 432 | 5.03 | 55.0 |
| Embodiment 3 | 8% | 587 | 445 | 5.25 | 59.2 |
Drawn by data, the high-strength powder metallurgical brass base shaft coupling that the present invention is provided, stock utilization is high, reaches
More than 99.5%；Manufactured using changing together, not only saved the processing installation process in later stage, and substantially increase it certainly
The intensity and toughness of body.
Claims (5)
1. a kind of high-strength powder metallurgical brass base shaft coupling, it is characterised in that the shaft coupling includes the group of following mass fraction
Point：
Zn element powders 28-32%
Rare earth element powder 0.5-0.7%
Surplus is copper powders and inevitable impurity.
2. high-strength powder metallurgical brass base shaft coupling according to claim 1, it is characterised in that each in the shaft coupling
The mass percent of element is：Zn element powders 29.5%, rare earth element powder 0.6%, surplus are copper powders and can not kept away
The impurity exempted from, the quality of the impurity is less than the 0.1% of the positioning sleeve.
3. high-strength powder metallurgical brass base shaft coupling according to claim 1, it is characterised in that during the shaft coupling is
Hollow cylinder, cylindrical member at one end is connected with 45 ° of fan sections, circle R radians connection between fan section and cylinder.
4. high-strength powder metallurgical brass base shaft coupling according to claim 3, it is characterised in that the shaft coupling internal diameter
For Ф 3.3cm, external diameter is Ф 6.3cm.
5. high-strength powder metallurgical brass base shaft coupling according to claim 3, it is characterised in that the shaft coupling is fan-shaped
Area's radius is 7.3cm, is highly 4.7cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354472.0A CN107119206A (en) | 2017-05-19 | 2017-05-19 | A kind of high-strength powder metallurgical brass base shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354472.0A CN107119206A (en) | 2017-05-19 | 2017-05-19 | A kind of high-strength powder metallurgical brass base shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107119206A true CN107119206A (en) | 2017-09-01 |
Family
ID=59727640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354472.0A Pending CN107119206A (en) | 2017-05-19 | 2017-05-19 | A kind of high-strength powder metallurgical brass base shaft coupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018209832A1 (en) * | 2017-05-19 | 2018-11-22 | 海安县鹰球粉末冶金有限公司 | Method for manufacturing high-strength brass-based coupling by means of powder metallurgy |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569419B1 (en) * | 1991-01-29 | 1997-11-19 | United States Bronze Powders Incorporated | Improvements in and relating to machinable brass compositions |
| CN101905411A (en) * | 2010-08-16 | 2010-12-08 | 山西东睦华晟粉末冶金有限公司 | Method for manufacturing coupler for distributor of automobile engine |
| CN103627924A (en) * | 2012-08-20 | 2014-03-12 | 佛山市南海区信兴铜铝实业有限公司 | Rare earth monocrystal environmentally-friendly brass |
| EP2775005A1 (en) * | 2011-11-04 | 2014-09-10 | Mitsubishi Shindoh Co., Ltd. | Hot-forged copper alloy article |
| CN104889409A (en) * | 2015-06-23 | 2015-09-09 | 江苏鹰球集团有限公司 | Manufacturing method of powder metallurgy ultra-low-noise long-service-life oil-retaining bearing |
| CN105821241A (en) * | 2016-05-19 | 2016-08-03 | 济南大学 | Nd reinforced brass alloy and preparation technology thereof |
| CN106399746A (en) * | 2016-07-04 | 2017-02-15 | 济南大学 | High-strength corrosion-resistant brass material and preparation and application thereof |
| CN106636731A (en) * | 2016-10-31 | 2017-05-10 | 江西凯安智能股份有限公司 | Processing technology for high-strength and high-extensibility brass alloy strip |
-
2017
- 2017-05-19 CN CN201710354472.0A patent/CN107119206A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0569419B1 (en) * | 1991-01-29 | 1997-11-19 | United States Bronze Powders Incorporated | Improvements in and relating to machinable brass compositions |
| CN101905411A (en) * | 2010-08-16 | 2010-12-08 | 山西东睦华晟粉末冶金有限公司 | Method for manufacturing coupler for distributor of automobile engine |
| EP2775005A1 (en) * | 2011-11-04 | 2014-09-10 | Mitsubishi Shindoh Co., Ltd. | Hot-forged copper alloy article |
| CN103627924A (en) * | 2012-08-20 | 2014-03-12 | 佛山市南海区信兴铜铝实业有限公司 | Rare earth monocrystal environmentally-friendly brass |
| CN104889409A (en) * | 2015-06-23 | 2015-09-09 | 江苏鹰球集团有限公司 | Manufacturing method of powder metallurgy ultra-low-noise long-service-life oil-retaining bearing |
| CN105821241A (en) * | 2016-05-19 | 2016-08-03 | 济南大学 | Nd reinforced brass alloy and preparation technology thereof |
| CN106399746A (en) * | 2016-07-04 | 2017-02-15 | 济南大学 | High-strength corrosion-resistant brass material and preparation and application thereof |
| CN106636731A (en) * | 2016-10-31 | 2017-05-10 | 江西凯安智能股份有限公司 | Processing technology for high-strength and high-extensibility brass alloy strip |
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|---|
| 周明衡: "《联轴器选用手册》", 31 January 2001 * |
| 易健宏: "《粉末冶金材料》", 31 July 2016 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018209832A1 (en) * | 2017-05-19 | 2018-11-22 | 海安县鹰球粉末冶金有限公司 | Method for manufacturing high-strength brass-based coupling by means of powder metallurgy |
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Application publication date: 20170901 |