CN110385353A - Commutator yellow gold special-shaped wire - Google Patents
Commutator yellow gold special-shaped wire Download PDFInfo
- Publication number
- CN110385353A CN110385353A CN201910653022.0A CN201910653022A CN110385353A CN 110385353 A CN110385353 A CN 110385353A CN 201910653022 A CN201910653022 A CN 201910653022A CN 110385353 A CN110385353 A CN 110385353A
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- China
- Prior art keywords
- continuous
- yellow gold
- shaped wire
- casting
- silver
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/045—Manufacture of wire or bars with particular section or properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/145—Plants for continuous casting for upward casting
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Extraction Processes (AREA)
- Contacts (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to commutator yellow gold special-shaped wire, silver contents are as follows: 0.027%-0.030%, 0.075%-0.100%, conductivity are greater than 99%IACS, and oxygen content is less than 5ppm；Commutator is with the production method of yellow gold special-shaped wire: Continuous Up casting, continuously extruded, multi-pass continuous drawing.
Description
Technical field
The present invention relates to a kind of nonferrous materials more particularly to a kind of commutator yellow gold special-shaped wires.
Background technique
Commutator is the critical component of direct current generator, effect be in armature winding AC electromotive force and electric current be converted into
Direct electromotive force. and electric current between brush.The yellow gold that commutator segment is big frequently with hardness, conduction and wear-resisting property are good is made.Copper
Silver alloy is that a small amount of silver element is added in Copper substrate, the conductivity of copper alloy and the decline very little of thermal conductivity, to plasticity
Very little is influenced, but the recrystallization temperature and creep strength of copper can be significantly improved.Yin Yin belongs to solution strengthening type addition element, and silver is again
It is readily incorporated into copper, and is achieved with the product properties of needs by hot-working or cold working, therefore Kufil is to obtain
Obtain wide commutator copper material.
Summary of the invention
The silver content of commutator of the present invention yellow gold special-shaped wire are as follows: 0.027%-0.030%, 0.075%-
0.100%, conductivity is greater than 99%IACS, and oxygen content is less than 5ppm；The production of commutator yellow gold special-shaped wire
Method is: Continuous Up casting, continuously extruded, multi-pass continuous drawing.
The specific steps of the commutator production method of yellow gold special-shaped wire:
(1) continuous up-casting
Continuous up-casting yellow gold bar is carried out using power frequency smelting apparatus, smelting apparatus includes smelting furnace, compartment, heat preservation
Furnace, traction device, devices for taking-up.
Traction device includes crystallizer, graphite jig, sheath, traction electric machine.
Graphite jig is mounted on crystalliser feet, is stoppered and is applied with asbestos yarn with crystalliser feet junction in graphite jig
Upper graphite latex is to prevent air inlet from seeping copper.
The diameter of continuous up-casting copper bar is Φ 12.5mm, 3~5mm of pitch, 600~650mm/ of continuous up-casting copper bar speed
min；Copper liquid liquid level is 400~450mm；Melting furnace is covered with charcoal, 100~150mm of thickness, holding furnace graphite phosphorus sheet
Covering maintains an equal level with a thickness of 30~40mm with sheath upper surface.
It adds silver wire online in compartment, silver content is made to reach 0.027%-0.030%, 0.075%-0.100%.It is described
Online addition filamentary silver speed are as follows: 1mm/min~2000mm/min, the diameter of the filamentary silver are 3-10mm, the silver
The silver content of silk is greater than 99.97%.
(2) continuously extruded
Yellow gold special-shaped wire base is prepared by continuous up-casting yellow gold bar is continuously extruded.The yellow gold special-shaped wire of preparation
The section copper strip cross section of base and finished product is in proportion.
(3) multi-pass continuous drawing
Yellow gold special-shaped wire base multi-pass continuous drawing, deformation coefficient is 1.05-1.20, the mould of Drawing die set per pass
Angle is 5 °, and the mold hole work belt length of Drawing die set is 5mm.
The beneficial effects of the present invention are:
1. improving production automation using the method for online filamentary silver, improving the stability of silver content.
2. using Continuous Up casting, continuously extruded, multi-pass continuous drawing production method, this method is efficient, energy saving.
Specific embodiment
Specific implementation 1
The invention will be further described With reference to embodiment.
The silver content of commutator of the present invention yellow gold special-shaped wire are as follows: 0.028%, conductivity 100%IACS,
Oxygen content 3ppm；The commutator is with the production method of yellow gold special-shaped wire: Continuous Up casting, continuously extruded, more
Passage continuous drawing.
The specific steps of the commutator production method of yellow gold special-shaped wire:
(1) continuous up-casting
Continuous up-casting yellow gold bar is carried out using power frequency smelting apparatus, smelting apparatus includes smelting furnace, compartment, heat preservation
Furnace, traction device, devices for taking-up.
Traction device includes crystallizer, graphite jig, sheath, traction electric machine.
Graphite jig is mounted on crystalliser feet, is stoppered and is applied with asbestos yarn with crystalliser feet junction in graphite jig
Upper graphite latex is to prevent air inlet from seeping copper.
The diameter of continuous up-casting copper bar is Φ 12.5mm, 3~5mm of pitch, 600~650mm/ of continuous up-casting copper bar speed
min；Copper liquid liquid level is 400~450mm；Melting furnace is covered with charcoal, 100~150mm of thickness, holding furnace graphite phosphorus sheet
Covering maintains an equal level with a thickness of 30~40mm with sheath upper surface.
It adds silver wire online in compartment, silver content is made to reach 0.028%.The speed of the online addition filamentary silver are as follows:
1mm/min~2000mm/min, the diameter of the filamentary silver are 3-10mm, and the silver content of the filamentary silver is greater than 99.97%.
(2) continuously extruded
Yellow gold special-shaped wire base is prepared by continuous up-casting yellow gold bar is continuously extruded.The yellow gold special-shaped wire of preparation
The section copper strip cross section of base and finished product is in proportion.
(3) multi-pass continuous drawing
Yellow gold special-shaped wire base multi-pass continuous drawing, deformation coefficient is 1.05-1.20, the mould of Drawing die set per pass
Angle is 5 °, and the mold hole work belt length of Drawing die set is 5mm.
Specific implementation 2
The invention will be further described With reference to embodiment.
The silver content of commutator of the present invention yellow gold special-shaped wire are as follows: 0.08%, conductivity 100%IACS,
Oxygen content 3ppm；The commutator is with the production method of yellow gold special-shaped wire: Continuous Up casting, continuously extruded, more
Passage continuous drawing.
The specific steps of the commutator production method of yellow gold special-shaped wire:
(1) continuous up-casting
Continuous up-casting yellow gold bar is carried out using power frequency smelting apparatus, smelting apparatus includes smelting furnace, compartment, heat preservation
Furnace, traction device, devices for taking-up.
Traction device includes crystallizer, graphite jig, sheath, traction electric machine.
Graphite jig is mounted on crystalliser feet, is stoppered and is applied with asbestos yarn with crystalliser feet junction in graphite jig
Upper graphite latex is to prevent air inlet from seeping copper.
The diameter of continuous up-casting copper bar is Φ 12.5mm, pitch 5mm, continuous up-casting copper bar speed 600mm/min；Copper liquid liquid
Face height is 450mm；Melting furnace is covered with charcoal, and thickness 150mm, holding furnace is covered with graphite phosphorus sheet, with a thickness of 30mm, with shield
Upper surface is covered to maintain an equal level.
It adds silver wire online in compartment, silver content is made to reach 0.08%.The speed of the online addition filamentary silver are as follows:
1mm/min~2000mm/min, the diameter of the filamentary silver are 3-10mm, and the silver content of the filamentary silver is greater than 99.97%.
(2) continuously extruded
Yellow gold special-shaped wire base is prepared by continuous up-casting yellow gold bar is continuously extruded.The yellow gold special-shaped wire of preparation
The section copper strip cross section of base and finished product is in proportion.
(3) multi-pass continuous drawing
Yellow gold special-shaped wire base multi-pass continuous drawing, deformation coefficient is 1.10 per pass, and the modular angle of Drawing die set is
5 °, the mold hole work belt length of Drawing die set is 5mm.
Claims (2)
1. commutator yellow gold special-shaped wire, it is characterised in that: commutator yellow gold special-shaped wire silver content are as follows:
0.027%-0.030%, 0.075%-0.100%, conductivity are greater than 99%IACS, and oxygen content is less than 5ppm；The commutation
Device is with the production method of yellow gold special-shaped wire: Continuous Up casting, continuously extruded, multi-pass continuous drawing.
2. production method as described in claim 1 comprises the concrete steps that:
(1) continuous up-casting
Continuous up-casting yellow gold bar is carried out using power frequency smelting apparatus, smelting apparatus includes smelting furnace, compartment, holding furnace, leads
Leading-in device, devices for taking-up；
Traction device includes crystallizer, graphite jig, sheath, traction electric machine；
Graphite jig is mounted on crystalliser feet, is stoppered in graphite jig and crystalliser feet junction with asbestos yarn and coats stone
Black latex is to prevent air inlet from seeping copper；
The diameter of continuous up-casting copper bar is Φ 12.5mm, 3~5mm of pitch, 600~650mm/min of continuous up-casting copper bar speed；Copper
Liquid liquid level is 400~450mm；Melting furnace is covered with charcoal, and 100~150mm of thickness, holding furnace is covered with graphite phosphorus sheet,
With a thickness of 30~40mm, maintain an equal level with sheath upper surface；
It adds silver wire online in compartment, silver content is made to reach 0.027%-0.030%, 0.075%-0.100%.It is described
The speed of line addition filamentary silver are as follows: 1mm/min~2000mm/min, the diameter of the filamentary silver are 3-10mm, the filamentary silver
Silver content is greater than 99.97%；
(2) continuously extruded
Prepare yellow gold special-shaped wire base for continuous up-casting yellow gold bar is continuously extruded, the yellow gold special-shaped wire base of preparation with
The section copper strip cross section of finished product is in proportion；
(3) multi-pass continuous drawing
Yellow gold special-shaped wire base multi-pass continuous drawing, deformation coefficient is 1.05-1.20 per pass, and the modular angle of Drawing die set is
5 °, the mold hole work belt length of Drawing die set is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653022.0A CN110385353B (en) | 2019-07-19 | 2019-07-19 | Silver-copper alloy special-shaped wire for commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653022.0A CN110385353B (en) | 2019-07-19 | 2019-07-19 | Silver-copper alloy special-shaped wire for commutator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110385353A true CN110385353A (en) | 2019-10-29 |
| CN110385353B CN110385353B (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910653022.0A Active CN110385353B (en) | 2019-07-19 | 2019-07-19 | Silver-copper alloy special-shaped wire for commutator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101008A (en) * | 2019-12-26 | 2020-05-05 | 浙江杭机新型合金材料有限公司 | High-strength high-conductivity copper-silver alloy material and preparation method thereof |
| CN111730050A (en) * | 2020-06-24 | 2020-10-02 | 湖南达诺智能机器人科技有限公司 | Gold continuous ingot casting equipment and method |
| CN113215434A (en) * | 2021-04-30 | 2021-08-06 | 浙江利丰电器股份有限公司 | High-conductivity silver-copper alloy for commutator copper sheet |
| CN113234955A (en) * | 2021-04-30 | 2021-08-10 | 浙江利丰电器股份有限公司 | Silver-copper alloy material for manufacturing commutator copper sheet |
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| CN105344950A (en) * | 2015-11-02 | 2016-02-24 | 铜陵精选线材有限责任公司 | Production process of high-wear-resistance high-conductivity silver-copper alloy rod |
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| CN106521231A (en) * | 2016-12-07 | 2017-03-22 | 常州恒丰特导股份有限公司 | High strength silver copper alloy conductor and preparation process thereof |
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2019
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| CN105344950A (en) * | 2015-11-02 | 2016-02-24 | 铜陵精选线材有限责任公司 | Production process of high-wear-resistance high-conductivity silver-copper alloy rod |
| CN106311788A (en) * | 2016-08-22 | 2017-01-11 | 徐高磊 | Production process of copper-silver alloy profile |
| CN106521231A (en) * | 2016-12-07 | 2017-03-22 | 常州恒丰特导股份有限公司 | High strength silver copper alloy conductor and preparation process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101008A (en) * | 2019-12-26 | 2020-05-05 | 浙江杭机新型合金材料有限公司 | High-strength high-conductivity copper-silver alloy material and preparation method thereof |
| CN111101008B (en) * | 2019-12-26 | 2021-08-17 | 浙江杭机新型合金材料有限公司 | High-strength high-conductivity copper-silver alloy material and preparation method thereof |
| CN111730050A (en) * | 2020-06-24 | 2020-10-02 | 湖南达诺智能机器人科技有限公司 | Gold continuous ingot casting equipment and method |
| CN113215434A (en) * | 2021-04-30 | 2021-08-06 | 浙江利丰电器股份有限公司 | High-conductivity silver-copper alloy for commutator copper sheet |
| CN113234955A (en) * | 2021-04-30 | 2021-08-10 | 浙江利丰电器股份有限公司 | Silver-copper alloy material for manufacturing commutator copper sheet |
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| Publication number | Publication date |
|---|---|
| CN110385353B (en) | 2020-11-06 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201021 Address after: 312000 flat water capacity in Zhejiang province Shaoxing city Keqiao Town Industrial Park Bo Applicant after: ZHEJIANG LIBO HOLDING GROUP Co.,Ltd. Applicant after: Shaoxing Libo Technology Co.,Ltd. Address before: 312030, Zhejiang province Shaoxing city Keqiao District Ping Town Industrial Park Applicant before: Shaoxing Libo Technology Co.,Ltd. |
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