CN107881297A - A kind of processing method of bearing block - Google Patents
A kind of processing method of bearing block Download PDFInfo
- Publication number
- CN107881297A CN107881297A CN201711265225.XA CN201711265225A CN107881297A CN 107881297 A CN107881297 A CN 107881297A CN 201711265225 A CN201711265225 A CN 201711265225A CN 107881297 A CN107881297 A CN 107881297A
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- CN
- China
- Prior art keywords
- bearing block
- temperature
- processing method
- blank
- carried out
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of processing method of bearing block, 1) make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, injection moulding, implantation temperature is 550~600 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；2) the bearing block blank obtained in step 1) is heated to 850~950 DEG C and is incubated the Quenching Treatment for being no less than and being cooled down after 6h, then bearing block blank is heated to 550~650 DEG C and is incubated the temper for being no less than and being cooled down after 8h；3) reference plane processing, bearing mounting hole processing, connection screw thread hole machined are carried out to bearing block heat treated in step 2)；4) surface treatment of black chromium plating is carried out to the bearing block obtained in step 3), for electrodeposited coating in 1~2um, plating mode is trivalent chromium plating.The alloying component and structural homogenity for the bearing block that this method processes are good, and mechanical impact capacity is strong.
Description
Technical field
The present invention relates to a kind of processing method, specifically a kind of processing method of bearing block, belong to machine tool element processing
Technical field.
Background technology
Bearing block is the important support part of bearing, bearing is served it is stable, fixed, as long as being applied to the ground of bearing
Side, it is necessary to which with the use of bearing block, thus the performance of bearing block and precision affect the precision of bearing, and then affect complete machine
Performance and precision.And the alloying component and structural homogenity of existing bearing are relatively low, mechanical impact property also needs further to carry
It is high.
The content of the invention
For problems of the prior art, the present invention provides a kind of processing method of bearing block, and this method processes
Bearing block alloying component and structural homogenity it is good, mechanical impact capacity is strong.This processing method precision is high, and practicality is good.
To achieve these goals, the technical scheme is that：A kind of processing method of bearing block, including following step
Suddenly：
1) rough-cast：Make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, it is injected into
Type, implantation temperature are 550~600 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；
2) bearing block blank is heat-treated：The bearing block blank obtained in step 1) is heated to 850~950 DEG C simultaneously
Insulation is no less than the Quenching Treatment cooled down after 6h, then bearing block blank is heated into 550~650 DEG C and is incubated cold no less than after 8h
But temper；
3) machining is carried out to bearing block：Reference plane processing, bearing are carried out to bearing block heat treated in step 2)
Hole machined, connection screw thread hole machined are installed；
4) bearing block is surface-treated：The surface treatment of black chromium plating, electricity are carried out to the bearing block obtained in step 3)
For coating in 1~2um, plating mode is trivalent chromium plating.
Preferably, described reference plane processing is processed by planer and/or grinding machine.
Preferably, implantation temperature is 550 DEG C in step 1)；The temperature of quenching is 850 DEG C in step 2), and the temperature of tempering is
550℃；The thickness of electrodeposited coating is 1um in step 4).
Preferably, implantation temperature is 600 DEG C in step 1)；The temperature of quenching is 950 DEG C in step 2), and the temperature of tempering is
650℃；The thickness of electrodeposited coating is 2um in step 4).
Preferably, implantation temperature is 580 DEG C in step 1)；The temperature of quenching is 900 DEG C in step 2), and the temperature of tempering is
600℃；The thickness of electrodeposited coating is 1.5um in step 4).
The present invention eliminates or weakened blank by being quenched before machining to bearing block blank and temper
Casting stress, improve the alloying component and structural homogenity of bearing block blank, improve the impact resistance that bearing is done；It is logical
Cross the corrosion resistance and wearability in bearing block electroplating Cr onto surface, improving bearing block.This processing method precision is high, practicality
It is good.
Embodiment
The invention will be further described below.
Embodiment 1：
A kind of processing method of bearing block, comprises the following steps：
1) rough-cast：Make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, it is injected into
Type, implantation temperature are 550 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；
2) bearing block blank is heat-treated：The bearing block blank obtained in step 1) is heated to 850 DEG C and is incubated
No less than the Quenching Treatment cooled down after 6h, then bearing block blank is heated to 550 DEG C and is incubated the tempering for being no less than and being cooled down after 8h
Processing；
3) machining is carried out to bearing block：Reference plane processing, bearing are carried out to bearing block heat treated in step 2)
Hole machined, connection screw thread hole machined are installed；
4) bearing block is surface-treated：The surface treatment of black chromium plating, electricity are carried out to the bearing block obtained in step 3)
For coating in 1um, plating mode is trivalent chromium plating.
Preferably, described reference plane processing is processed by planer and/or grinding machine.
Embodiment 2：
A kind of processing method of bearing block, comprises the following steps：
1) rough-cast：Make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, it is injected into
Type, implantation temperature are 600 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；
2) bearing block blank is heat-treated：The bearing block blank obtained in step 1) is heated to 950 DEG C and is incubated
No less than the Quenching Treatment cooled down after 6h, then bearing block blank is heated to 650 DEG C and is incubated the tempering for being no less than and being cooled down after 8h
Processing；
3) machining is carried out to bearing block：Reference plane processing, bearing are carried out to bearing block heat treated in step 2)
Hole machined, connection screw thread hole machined are installed；
4) bearing block is surface-treated：The surface treatment of black chromium plating, electricity are carried out to the bearing block obtained in step 3)
For coating in 2um, plating mode is trivalent chromium plating.
Remaining is the same as embodiment 1.
Embodiment 3：
A kind of processing method of bearing block, comprises the following steps：
1) rough-cast：Make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, it is injected into
Type, implantation temperature are 580 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；
2) bearing block blank is heat-treated：The bearing block blank obtained in step 1) is heated to 900 DEG C and is incubated
No less than the Quenching Treatment cooled down after 6h, then bearing block blank is heated to 600 DEG C and is incubated the tempering for being no less than and being cooled down after 8h
Processing；
3) machining is carried out to bearing block：Reference plane processing, bearing are carried out to bearing block heat treated in step 2)
Hole machined, connection screw thread hole machined are installed；
4) bearing block is surface-treated：The surface treatment of black chromium plating, electricity are carried out to the bearing block obtained in step 3)
For coating in 1.5um, plating mode is trivalent chromium plating.
Claims (5)
- A kind of 1. processing method of bearing block, it is characterised in that：Comprise the following steps：1) rough-cast：Make bearing block touches tool；By in the die cavity of the pouring metal melt of melting to mould, injection moulding, note Enter temperature for 550~600 DEG C；After casting solidification cooling, it is cleared up and examined, obtains bearing block blank；2) bearing block blank is heat-treated：The bearing block blank obtained in step 1) is heated to 850~950 DEG C and is incubated No less than the Quenching Treatment cooled down after 6h, then bearing block blank is heated to 550~650 DEG C and be incubated be no less than 8h after cool down Temper；3) machining is carried out to bearing block：Reference plane processing, bearing installation are carried out to bearing block heat treated in step 2) Hole machined, connection screw thread hole machined；4) bearing block is surface-treated：The surface treatment of black chromium plating, electrodeposited coating are carried out to the bearing block obtained in step 3) In 1~2um, plating mode is trivalent chromium plating.
- 2. a kind of processing method of bearing block according to claim 1, it is characterized in that：Described reference plane processing passes through plane Bed and/or grinding machine processing.
- 3. a kind of processing method of bearing block according to claim 1 or 2, it is characterized in that：Implantation temperature is in step 1) 550℃；The temperature of quenching is 850 DEG C in step 2), and the temperature of tempering is 550 DEG C；The thickness of electrodeposited coating is 1um in step 4).
- 4. a kind of processing method of bearing block according to claim 1 or 2, it is characterized in that：Implantation temperature is in step 1) 600℃；The temperature of quenching is 950 DEG C in step 2), and the temperature of tempering is 650 DEG C；The thickness of electrodeposited coating is 2um in step 4).
- 5. a kind of processing method of bearing block according to claim 1 or 2, it is characterized in that：Implantation temperature is in step 1) 580℃；The temperature of quenching is 900 DEG C in step 2), and the temperature of tempering is 600 DEG C；The thickness of electrodeposited coating is in step 4) 1.5um。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265225.XA CN107881297A (en) | 2017-12-05 | 2017-12-05 | A kind of processing method of bearing block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265225.XA CN107881297A (en) | 2017-12-05 | 2017-12-05 | A kind of processing method of bearing block |
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| Publication Number | Publication Date |
|---|---|
| CN107881297A true CN107881297A (en) | 2018-04-06 |
Family
ID=61772663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711265225.XA Pending CN107881297A (en) | 2017-12-05 | 2017-12-05 | A kind of processing method of bearing block |
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| Country | Link |
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| CN (1) | CN107881297A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648260A (en) * | 2018-12-10 | 2019-04-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of microstome, large cavity bearing block shell processing method |
| CN112247485A (en) * | 2020-10-12 | 2021-01-22 | 杭州富阳日欣精密机械制造有限公司 | Precision machining method for high-precision bearing seat type parts |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148902A (en) * | 2014-08-17 | 2014-11-19 | 成都亨通兆业精密机械有限公司 | Machining method benefiting to hole boring quality and bearing base mechanical property |
| CN104191171A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Method for machining bearing block for bearing impact loads |
| CN104195308A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Alloy steel bearing block machining method beneficial to reduction of heat treatment induced cracks |
| CN104191172A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Method for machining alloy steel bearing seat |
| CN105908075A (en) * | 2016-05-31 | 2016-08-31 | 安徽潜山轴承制造有限公司 | Casting technology of alloy steel bearing block |
| CN106149023A (en) * | 2015-04-23 | 2016-11-23 | 思维福特南通精密机械有限公司 | Bearing block processing technique |
| CN106591544A (en) * | 2016-12-26 | 2017-04-26 | 怀宁吉利来精密机械科技有限公司 | Casting process of alloy steel bearing pedestal |
-
2017
- 2017-12-05 CN CN201711265225.XA patent/CN107881297A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148902A (en) * | 2014-08-17 | 2014-11-19 | 成都亨通兆业精密机械有限公司 | Machining method benefiting to hole boring quality and bearing base mechanical property |
| CN104191171A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Method for machining bearing block for bearing impact loads |
| CN104195308A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Alloy steel bearing block machining method beneficial to reduction of heat treatment induced cracks |
| CN104191172A (en) * | 2014-08-17 | 2014-12-10 | 成都亨通兆业精密机械有限公司 | Method for machining alloy steel bearing seat |
| CN106149023A (en) * | 2015-04-23 | 2016-11-23 | 思维福特南通精密机械有限公司 | Bearing block processing technique |
| CN105908075A (en) * | 2016-05-31 | 2016-08-31 | 安徽潜山轴承制造有限公司 | Casting technology of alloy steel bearing block |
| CN106591544A (en) * | 2016-12-26 | 2017-04-26 | 怀宁吉利来精密机械科技有限公司 | Casting process of alloy steel bearing pedestal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648260A (en) * | 2018-12-10 | 2019-04-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of microstome, large cavity bearing block shell processing method |
| CN109648260B (en) * | 2018-12-10 | 2020-09-29 | 哈尔滨汽轮机厂有限责任公司 | Method for processing bearing seat shell with small hole and large cavity |
| CN112247485A (en) * | 2020-10-12 | 2021-01-22 | 杭州富阳日欣精密机械制造有限公司 | Precision machining method for high-precision bearing seat type parts |
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Application publication date: 20180406 |