CN108788639A - A kind of processing technology of camshaft stand centre bore - Google Patents
A kind of processing technology of camshaft stand centre bore Download PDFInfo
- Publication number
- CN108788639A CN108788639A CN201810605692.0A CN201810605692A CN108788639A CN 108788639 A CN108788639 A CN 108788639A CN 201810605692 A CN201810605692 A CN 201810605692A CN 108788639 A CN108788639 A CN 108788639A
- Authority
- CN
- China
- Prior art keywords
- camshaft stand
- degree
- centre bore
- processing technology
- camshaft
- 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.)
- Granted
Links
Classifications
-
- 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
Abstract
The invention discloses a kind of processing technologys of camshaft stand centre bore, include the following steps：2）The heat treatment of material：By step 1）In camshaft stand be put into high temperature box type resistance furnace and carry out hardening step, and cool time control was at 60 minutes, hardening heat controls between 800 degree to 900 degree, high tempering is carried out later, and high tempering time control was at 30 minutes, high tempering temperature controls between 400 degree to 600 degree, is finally putting into hardening media and be quickly cooled down operation, and is after taking-up that its surface wipes are clean；3）The roughing of material：By step 2）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, rough turn outer circle and Rough turn end face at punching, are used in combination drill bit to process deep 5 millimeters of 60 degree of taper holes later；The processing technology of the camshaft stand centre bore, reasonable design are easily manipulated, while having the characteristics that high precision machining and good product quality.
Description
Technical field
The present invention relates to camshaft stand centre bore technical field, specially a kind of processing work of camshaft stand centre bore
Skill.
Background technology
Camshaft is an important component in piston engine, its effect is to control unlatching and the closure of valve.Though
So in four-stroke engine, the rotating speed of camshaft is the half of bent axle, but its rotating speed is still very high, and needs to bear
Prodigious torque.Therefore, very high for requirement of the centre bore in camshaft stand in terms of intensity and support, and camshaft branch
The material of frame is generally superior alloy steel.Since valve motion rule is related to the power and service performance of an engine, make
Camshaft stand centre bore is obtained in process in occupation of highly important status.
But in the processing technology of existing camshaft stand centre bore, there are machining accuracy is low and poor product quality is asked
Topic.And material is usually unprocessed before processing, it is easier that the deformation in process is excessive and causes machining accuracy by shadow
It rings, while can be too low because of the rigidity and fatigue strength of material, and influences the product quality after processing.
Therefore, the processing technology for designing the camshaft stand centre bore of a kind of high precision machining and good product quality is that have very much
It is necessary.
Invention content
The purpose of the present invention is to provide a kind of processing technologys of camshaft stand centre bore, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of processing technology of camshaft stand centre bore,
Include the following steps：
1）The selection of material：Using surface flawless, without protrusion recess and camshaft stand without rusty stain as the material processed；
2）The heat treatment of material：By step 1）In camshaft stand be put into high temperature box type resistance furnace and carry out hardening step, and
At 60 minutes, hardening heat controlled between 800 degree to 900 degree for cool time control, carried out high tempering later, and high temperature returns
At 30 minutes, high tempering temperature controlled between 400 degree to 600 degree fiery time control, is finally putting into hardening media and carries out
It is quickly cooled down operation, and after taking-up that its surface wipes are clean；
3）The roughing of material：By step 2）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, later
Rough turn outer circle and Rough turn end face at punching are used in combination drill bit to process deep 5 millimeters of 60 degree of taper holes；
4）The destressing of material is handled：By step 3）In camshaft stand be placed on vibrating motor progress clip fixed operation,
And the exciting force of vibrating motor is modulated into 8000N, and working time control can be taken off at 2 hours；
5）The finishing of material：By step 4）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, later
Deep 2 millimeters of plane groove is processed at deep 5 millimeters of 60 degree of taper holes, carries out drilling operation later, and do not stop to drill hole
Coolant liquid is sprayed, until drilling terminates, it is finally that its surface wipes are clean, then sanding operation is carried out with polishing paper, until overlap
It is completely removed with burr；
6）The Nitrizing Treatment of material：By step 5）In camshaft stand be put into well formula nitriding furnace and carry out nitriding operation, and
When nitriding operates, be passed through ammonia thereto, and working time control is at 6 hours, operating temperature control 450 degree to 550 degree it
Between, and after nitriding operates, continue to input ammonia progress furnace cooling operation, and when temperature is between 120 to 170 degree,
It can come out of the stove；
7）The inspection and preservation of material：To step 6）In obtained camshaft stand and its centre bore carry out ultrasonic examination detection
The lossless camshaft stand for accomplishing fluently centre bore, is put into dustfree environment is preserved later by operation.
According to above-mentioned technical proposal, the step 2）In high temperature box type resistance furnace be a kind of SX2-12-12 types high-temperature cabinet
Formula resistance furnace.
According to above-mentioned technical proposal, the step 2）In hardening media be a kind of poly- second of mass fraction 0.1%-0.3%
Enol aqueous solution.
According to above-mentioned technical proposal, the step 3）In drill bit be a kind of WC wolfram steel centre drill.
According to above-mentioned technical proposal, the step 4）In vibrating motor be a kind of XJD-100-2 types vibrating motor.
According to above-mentioned technical proposal, the step 6）In well formula nitriding furnace be a kind of RN-75-6K types well formula nitriding furnace.
According to above-mentioned technical proposal, the step 5）In coolant liquid be a kind of suds and nitrite mixing it is water-soluble
Liquid.
According to above-mentioned technical proposal, the step 6）In be not required to the position of nitriding and be uniformly coated with the anti-nitriding of FSN-1 types to apply
Material.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention first chooses surface flawless, is recessed without protrusion
Camshaft stand with no rusty stain is as the raw material processed, in order to avoid influencing processing quality, carries out hardening step and high temperature later
Tempering operation, considerably increases its thermohardening, then puts it into progress clip positioning operation in numerically-controlled machine tool, thick at punching
Turning and Rough turn end face are used in combination drill bit to process deep 5 millimeters of 60 degree of taper holes, help to improve the precision of following process, it
After be put on vibrating motor progress destressing operation, enhance the fatigue strength of its own, then put it into numerically-controlled machine tool again
Clip positioning operation is carried out, processes deep 2 millimeters of plane groove at deep 5 millimeters of 60 degree of taper holes later, then drill
Operation improves machining accuracy, then carries out polishing behaviour with polishing paper to reduce the collision and friction that occur when machining center hole
Make, improve finish, carries out nitriding operation to it later, and fine and close stabilized zone can be formed on surface, corrosion resistance is high, makes
It is put into dustfree environment and is stored after finally being carried out carrying out flaw detection to camshaft stand and its centre bore again with long lifespan, it is whole
A processing technology, reasonable design is easily operated, and unified mass production and marketing is suitble to use.
Description of the drawings
Fig. 1 is a kind of processing process figure of camshaft stand centre bore of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment：Referring to Fig. 1, the present invention provides a kind of processing technology of camshaft stand centre bore, including walk as follows
Suddenly：
1）Choose surface flawless, raw material of the camshaft stand as processing without protrusion recess and without rusty stain；
2）First to 1）In camshaft stand carry out hardening step, carry out high tempering later, being finally putting into mass fraction is
It carries out being quickly cooled down operation in the hardening media of the polyvinyl alcohol water solution of 0.1%-0.3%, and by its surface wipes after taking-up
Totally；
3）First by 2）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, the rough turn outer circle at punching later
And Rough turn end face, it is used in combination WC wolfram steel centre drills to process deep 5 millimeters of 60 degree of taper holes；
4）By 3）In camshaft stand be placed on XJD-100-2 type vibrating motors progress clip fixed operation, open later
XJD-100-2 type vibrating motors carry out destressing operation to camshaft stand；
5）First by 4）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, later at 60 degree of deep 5 millimeters
Deep 2 millimeters of plane groove is processed at taper hole, then carries out drilling operation, and stop-spraying is not spilt by suds and nitrous to drill hole
The coolant liquid of the mixed aqueous solution composition of hydrochlorate, until drilling terminates, it is finally that its surface wipes are clean, then carried out with polishing paper
Sanding operation；
6）To 5）In camshaft stand carry out nitriding operation, and be passed through ammonia thereto, after nitriding operates, continue defeated
Enter ammonia and carry out furnace cooling operation, and when temperature is between 120 to 170 degree, you can comes out of the stove；
7）First to 6）In obtained camshaft stand and its centre bore carry out ultrasonic examination detection operation, center will be accomplished fluently later
The lossless camshaft stand in hole, which is put into dustfree environment, to be preserved.
Based on above-mentioned, it is an advantage of the current invention that first choosing surface flawless, the camshaft without protrusion recess and without rusty stain
Raw material of the holder as processing later carry out it hardening step and high tempering operation, make it in order to avoid influencing processing quality
Thermohardening greatly increases, and waits dangerous situations in order to avoid accident occurs when processing and breaks, then carries out fast quickly cooling to it with hardening media
But operate, then after taking-up its surface wipes are clean, camshaft stand is put into numerically-controlled machine tool progress clip positioning later
Operation, then rough turn outer circle and Rough turn end face at punching, and deep 5 millimeters of 60 degree of taper holes are processed, convenient for improving following process
Precision, camshaft stand is put on vibrating motor progress destressing operation later, greatly enhances the fatigue strength of its own,
Then progress clip positioning operation in numerically-controlled machine tool is put it into again, processes deep 2 milli at deep 5 millimeters of 60 degree of taper holes later
The plane groove of rice, then drilling operation is carried out, to reduce the collision and friction that occur when machining center hole, machining accuracy is improved,
And coolant liquid is constantly injected in boring procedure, it takes out later and its surface wipes are clean, then polishing behaviour is carried out with polishing paper
Make, improve finish, puts it into progress nitriding operation in RN-75-6K type well formula nitriding furnaces later, and be passed through ammonia thereto
Gas continues to input ammonia progress furnace cooling operation, and when temperature is between 120 to 170 degree, i.e., after nitriding operates
It can come out of the stove, and the camshaft stand surface after nitridation forms fine and close stabilized zone, corrosion resistance is high, and service life is long, finally again
After carrying out carrying out flaw detection to camshaft stand and its centre bore, it is put into dustfree environment and stores, entire processing technology, design
Rationally, easily operated, it is suitble to unified mass production and marketing to use.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of processing technology of camshaft stand centre bore, it is characterised in that：Include the following steps：
1）The selection of material：Using surface flawless, without protrusion recess and camshaft stand without rusty stain as the material processed；
2）The heat treatment of material：By step 1）In camshaft stand be put into high temperature box type resistance furnace and carry out hardening step, and
At 60 minutes, hardening heat controlled between 800 degree to 900 degree for cool time control, carried out high tempering later, and high temperature returns
At 30 minutes, high tempering temperature controlled between 400 degree to 600 degree fiery time control, is finally putting into hardening media and carries out
It is quickly cooled down operation, and after taking-up that its surface wipes are clean；
3）The roughing of material：By step 2）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, later
Rough turn outer circle and Rough turn end face at punching are used in combination drill bit to process deep 5 millimeters of 60 degree of taper holes；
4）The destressing of material is handled：By step 3）In camshaft stand be placed on vibrating motor progress clip fixed operation,
And the exciting force of vibrating motor is modulated into 8000N, and working time control can be taken off at 2 hours；
5）The finishing of material：By step 4）In camshaft stand be put into numerically-controlled machine tool progress clip positioning operation, later
Deep 2 millimeters of plane groove is processed at deep 5 millimeters of 60 degree of taper holes, carries out drilling operation later, and do not stop to drill hole
Coolant liquid is sprayed, until drilling terminates, it is finally that its surface wipes are clean, then sanding operation is carried out with polishing paper, until overlap
It is completely removed with burr；
6）The Nitrizing Treatment of material：By step 5）In camshaft stand be put into well formula nitriding furnace and carry out nitriding operation, and
When nitriding operates, be passed through ammonia thereto, and working time control is at 6 hours, operating temperature control 450 degree to 550 degree it
Between, and after nitriding operates, continue to input ammonia progress furnace cooling operation, and when temperature is between 120 to 170 degree,
It can come out of the stove；
7）The inspection and preservation of material：To step 6）In obtained camshaft stand and its centre bore carry out ultrasonic examination detection
The lossless camshaft stand for accomplishing fluently centre bore, is put into dustfree environment is preserved later by operation.
2. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 2）In
High temperature box type resistance furnace is a kind of SX2-12-12 types high temperature box type resistance furnace.
3. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 2）In
Hardening media is a kind of polyvinyl alcohol water solution of mass fraction 0.1%-0.3%.
4. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 3）In
Drill bit is a kind of WC wolfram steel centre drill.
5. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 4）In
Vibrating motor is a kind of XJD-100-2 types vibrating motor.
6. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 6）In
Well formula nitriding furnace is a kind of RN-75-6K types well formula nitriding furnace.
7. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 5）In
Coolant liquid is the mixed aqueous solution of a kind of suds and nitrite.
8. a kind of processing technology of camshaft stand centre bore according to claim 1, it is characterised in that：The step 6）In not
The position of nitriding is needed uniformly to be coated with FSN-1 type antinitriding paints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605692.0A CN108788639B (en) | 2018-06-13 | 2018-06-13 | A kind of processing technology of camshaft stand centre bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605692.0A CN108788639B (en) | 2018-06-13 | 2018-06-13 | A kind of processing technology of camshaft stand centre bore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108788639A true CN108788639A (en) | 2018-11-13 |
| CN108788639B CN108788639B (en) | 2019-11-26 |
Family
ID=64085613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810605692.0A Active CN108788639B (en) | 2018-06-13 | 2018-06-13 | A kind of processing technology of camshaft stand centre bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108788639B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193093A (en) * | 2021-12-06 | 2022-03-18 | 深圳市玉沣科技有限公司 | Precision machining method for semiconductor moving slide seat |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10162109C1 (en) * | 2001-12-18 | 2003-05-22 | Meteor Umformtechnik Gmbh | Production of an annular cam for a camshaft of an internal combustion engine comprises perforating a sheet steel strip, embossing the punched burr on the outlet of the perforating tool |
| CN102189376A (en) * | 2011-03-22 | 2011-09-21 | 南车戚墅堰机车有限公司 | Novel cam shaft machining process |
| CN202053130U (en) * | 2011-04-15 | 2011-11-30 | 成都市西菱汽车配件有限责任公司 | Special clamp for camshaft grinding |
| CN103223577A (en) * | 2013-05-03 | 2013-07-31 | 天津市天瑞硬化工程有限公司 | Anti-fatigue manufacturing method of spiral bevel gear |
| CN103433709A (en) * | 2013-08-28 | 2013-12-11 | 宁波富莱茵汽车部件有限公司 | Processing technology of camshaft |
| CN104439936A (en) * | 2014-11-06 | 2015-03-25 | 无锡市百顺机械厂 | Machining technology of camshaft |
| CN105458717A (en) * | 2015-12-15 | 2016-04-06 | 苏州爱盟机械有限公司 | Machining technology for cam shaft of automobile engine |
-
2018
- 2018-06-13 CN CN201810605692.0A patent/CN108788639B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10162109C1 (en) * | 2001-12-18 | 2003-05-22 | Meteor Umformtechnik Gmbh | Production of an annular cam for a camshaft of an internal combustion engine comprises perforating a sheet steel strip, embossing the punched burr on the outlet of the perforating tool |
| CN102189376A (en) * | 2011-03-22 | 2011-09-21 | 南车戚墅堰机车有限公司 | Novel cam shaft machining process |
| CN202053130U (en) * | 2011-04-15 | 2011-11-30 | 成都市西菱汽车配件有限责任公司 | Special clamp for camshaft grinding |
| CN103223577A (en) * | 2013-05-03 | 2013-07-31 | 天津市天瑞硬化工程有限公司 | Anti-fatigue manufacturing method of spiral bevel gear |
| CN103433709A (en) * | 2013-08-28 | 2013-12-11 | 宁波富莱茵汽车部件有限公司 | Processing technology of camshaft |
| CN104439936A (en) * | 2014-11-06 | 2015-03-25 | 无锡市百顺机械厂 | Machining technology of camshaft |
| CN105458717A (en) * | 2015-12-15 | 2016-04-06 | 苏州爱盟机械有限公司 | Machining technology for cam shaft of automobile engine |
Non-Patent Citations (2)
| Title |
|---|
| 孙恒尤等: "中心孔和中心钻的型式及其使用", 《机械设计与制造工程》 * |
| 裴畅贵等: "凸轮轴制造工艺及国内外发展趋势", 《新技术新工艺》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193093A (en) * | 2021-12-06 | 2022-03-18 | 深圳市玉沣科技有限公司 | Precision machining method for semiconductor moving slide seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108788639B (en) | 2019-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100556610C (en) | Sensor QS-4 elastomer processing technology | |
| CN102114511B (en) | Machining method of cylindrical spinning mandrel | |
| CN102534374A (en) | Method for processing rectangular-tooth spline sleeve using 42CrMoE high-quality alloy steel as material | |
| CN112338444A (en) | Machining process of heavy-duty spline half shaft | |
| CN103014249B (en) | Laser melting quenching process capable of greatly increasing RuT300 surface hardness | |
| CN102766803A (en) | Free forging processing process of alloyed tool steel 5CrNiMo for footstep shaft | |
| CN105525230A (en) | Method for manufacturing cutting tools from high-speed W18Cr4Nb material | |
| Kumar et al. | Review of analysis & optimization of cylindrical grinding process parameters on material removal rate of En15AM steel | |
| Kumar et al. | Optimization of cylindrical grinding process parameters on C40E steel using Taguchi technique | |
| CN108788639B (en) | A kind of processing technology of camshaft stand centre bore | |
| CN107322239B (en) | A kind of processing method of one-way clutch outer ring | |
| CN115213641B (en) | Method for machining transmission input shaft | |
| RU2363738C2 (en) | Manufacturing method of detail with key groove | |
| JP2012513309A (en) | Tool system module manufacturing method | |
| CN104339134A (en) | Technological method for prolonging fatigue life of automobile axle shaft | |
| US8209845B2 (en) | Machined component manufacturing method for enhanced low cycle fatigue life | |
| CN110977346A (en) | Steel product processing technology | |
| CN113146165A (en) | Rapid machining method for high-speed gear box of centrifugal compressor | |
| CN100391665C (en) | Wet hard turning process of steel part after quenching heat treatment | |
| CN109834435A (en) | A kind of automatic fine-processing technique of efficient tooth shaft | |
| CN109623034A (en) | Detachable reversed rose reamer and preparation method thereof | |
| CN108500563A (en) | A kind of automatic lathe spindle processing technique | |
| CN108637632A (en) | A kind of processing technology and fixture of automobile axle flange | |
| CN109834429A (en) | Crankshaft processing technology | |
| CN1047819C (en) | Method for making chisel bit for drilling rock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |