CN107175475A - A kind of processing method of long Thin-wall cylindrical part - Google Patents
A kind of processing method of long Thin-wall cylindrical part Download PDFInfo
- Publication number
- CN107175475A CN107175475A CN201710530471.7A CN201710530471A CN107175475A CN 107175475 A CN107175475 A CN 107175475A CN 201710530471 A CN201710530471 A CN 201710530471A CN 107175475 A CN107175475 A CN 107175475A
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- China
- Prior art keywords
- workpiece
- chuck
- face
- smart car
- endoporus
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- 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 provides a kind of processing method of long Thin-wall cylindrical part, belong to cylindrical part processing technique field, its step includes：Roughing obtains the roughing part with chuck, workpiece after roughing is quenched and temper, ultrasonic examination is carried out to workpiece, rough turn and half smart car is carried out to workpiece, stress-removal processing is carried out to workpiece, smart car is carried out to workpiece, disc support member is placed in chuck end endoporus, be loaded chuck, after fine turning outer circle, smart car endoporus and when having surplus, in the radial direction grooving on the excircle of workpiece at chuck position, then smart car endoporus and other end end face are to design size, finally cut away that one end of Tourniquet clamping head, the length for being ground the workpiece end face to the workpiece that cut away chuck end reaches design requirement.The processing method for the long Thin-wall cylindrical part that the present invention is provided, workpiece is deformed when can avoid being loaded, and can effectively discharge the machining stress of workpiece, and can guarantee that the axiality of workpiece meets design requirement.
Description
Technical field
The present invention relates to cylindrical part processing technique field, more particularly to a kind of processing method of long Thin-wall cylindrical part.
Background technology
Centrifugal compressed machine rotor is made up of multiple parts, wherein the structure type of some parts is long thin-wall tube-shaped structure,
Its specification be typically outside diameter in 150mm-200mm, wall thickness is in 10mm-15mm, and length is in 300mm-400mm.Material is commonly used
The trade mark is 12Cr13,45#, 25Cr2Ni3Mo forged steel pieces.
The method for currently processing this long Thin-wall cylindrical part generally uses the process of roughing → rough turn → smart car.
In the finishing passes of this processing method, often by each position time processing of long Thin-wall cylindrical part to amount, produced in processing
Raw stress can not discharge, and when being loaded one end chuck and other end external diameter, because the wall thickness value of cylindrical part is smaller, be loaded
During easily deform, the form and position tolerance such as axiality is often difficult to meet design requirement during smart car.So last
When turning assembling work sequence, long Thin-wall cylindrical part interference fit is not up to standard, causes in rotor or even complete system plant field investigation not
It is qualified.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and are avoided that the deformation that is loaded, effectively release machining stress and energy
Ensure the processing method of the satisfactory long Thin-wall cylindrical part of axiality.
In order to solve the above technical problems, the invention provides a kind of processing method of long Thin-wall cylindrical part, including it is as follows
Step：
Roughing：Card engaging workpiece one end, rough turn cylindrical, endoporus and other end end face, and form chuck at the workpiece end that is loaded；
Heat treatment：Workpiece after roughing is quenched and tempering heat treatment；
Ultrasonic examination：Workpiece after heat treatment is loaded the chuck, in described cylindrical and described other end end
Car nondestructive inspection face, roughness Ra 3.2 carries out ultrasonic examination；
It is rough turn：Be loaded the chuck, rough turn cylindrical, the described endoporus and the other end end face, the cylindrical, endoporus
Retain unilateral made allowance 3mm with other end end face；
Half smart car：Be loaded the chuck, cylindrical, described endoporus described in half smart car and the other end end face, it is described it is cylindrical,
Endoporus and other end end face retain unilateral made allowance 2mm；
Stress-removal processing：The workpiece of double of smart car carries out stress-removal processing, discharges machining stress；
Smart car：The disc support member matched with the hole size, then the chuck that is loaded are placed in the chuck end,
Other end end face described in smart car is shown in light, cylindrical described in smart car to arrive design size, the unilateral made allowance of smart car endoporus 0.15mm-
During 0.20mm, close to the chuck position it is described it is cylindrical on radial direction grooving, then endoporus described in smart car is to design size；
Grinding：The chuck end is cut away, then on the basis of the other end end face, ground on surface grinding machine workbench
The end face of the chuck end is cut to design requirement.
Further, it is described to cut away the chuck end, it is the length for first measuring the workpiece, then with the other end
On the basis of end face, unilateral 0.4-0.6mm made allowance is retained to the Workpiece length, the chuck end is cut at the grooving
Fall.
Further, the wide 5mm of the grooving, depth 5mm -7mm.
Further, the unilateral made allowance of described reservation is by auxiliary to workpiece progress vernier caliper measurement and lathe
Help and beat what table measurement was realized.
In a kind of processing method for long Thin-wall cylindrical part that the present invention is provided, smart car process, when being loaded chuck, in folder
The endoporus of head end places disc support member, and the power that is loaded of claw is undertaken by long Thin-wall cylindrical part and is changed into disc support
Part is undertaken, it is to avoid long Thin-wall cylindrical part is deformed during being loaded.Also, close to chuck position it is cylindrical on footpath
To grooving, machining stress is further discharged, it is to avoid processing is deformed.So that processing effect highly significant, has been effectively ensured zero
The machining accuracy of part so that finally process the axiality of obtained long Thin-wall cylindrical part within 0.02mm, meet postorder
The operability of assembling work, it is ensured that shrink value, it is to avoid therefore the processing and manufacturing error of long thin-wall tube-shaped rotor component is led
The underproof risk of field investigation in the rotor of cause or even complete system plant.
Brief description of the drawings
Fig. 1 is the process chart of the processing method of long Thin-wall cylindrical part provided in an embodiment of the present invention；
The knot for the workpiece that Fig. 2 obtains for roughing in the processing method of long Thin-wall cylindrical part provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 3 is the processing of workpiece is illustrated during smart car in the processing method of long Thin-wall cylindrical part provided in an embodiment of the present invention
Figure；
Fig. 4 finally processes the knot of obtained workpiece for the processing method of long Thin-wall cylindrical part provided in an embodiment of the present invention
Structure schematic diagram.
Embodiment
Referring to Fig. 1, the invention provides a kind of processing method of long Thin-wall cylindrical part, comprise the following steps：
Roughing：Roughing is carried out by blank 101 of cylindrical forged steel pieces supplied materials, according to heat treatment roughing pattern,
It is loaded the one end of blank 101 using the scroll chuck of horizontal lathe, as a kind of embodiment of the present invention, what is be loaded is
The left end of blank 101, then one end of blank 101 is right-hand member.Rough turn blank 101 it is cylindrical, reservation be loaded end not by
Rough machined position, so that chuck 102 is formed at the position that is loaded, from the rough turn endoporus of the right-hand member of blank 101 and blank 101
Right-hand member end face, and it is as shown in Figure 2 to be sufficiently reserved the workpiece obtained after the allowance of cylindrical, endoporus and right-hand member end face, roughing.
Heat treatment：The heat treatment such as the workpiece 101 obtained after roughing is quenched and is tempered, reach workpiece 101 and set
Count hardness requirement.
Ultrasonic examination：In order to check inside workpiece 101 there is zero defect, the workpiece 101 after heat treatment is used into horizontal lathe
Scroll chuck be loaded chuck 102, in the right-hand member end car nondestructive inspection face of the cylindrical and workpiece of workpiece 101, it is ensured that visit
The roughness for hindering face is Ra3.2, then carries out ultrasonic examination to workpiece 101；
It is rough turn：With the chuck 102 of the scroll chuck card engaging workpiece 101 of horizontal lathe, continue rough turned piece 101 it is cylindrical,
Endoporus and right-hand member end face.Also, using the method for vernier caliper measurement, the cylindrical of workpiece 101, endoporus and right-hand member end face are protected
Stay unilateral processing made allowance 3mm.It should be noted that retaining unilateral processing made allowance, refer to come for processing excircles and endoporus
Say, the processing made allowance of unilateral finger radial direction, i.e., in cylindrical and endoporus radial direction on the basis of design size requirement
Upper reservation 3mm allowance.And for processing right-hand member end face, it is unilateral to refer to retain 3mm's in right-hand member in the longitudinal direction
Allowance.
Half smart car：The chuck 102 of the scroll chuck card engaging workpiece 101 of continuation horizontal lathe, then half smart car workpiece 101
Cylindrical, endoporus and right-hand member end face.Using the method for vernier caliper measurement, the cylindrical of workpiece 101, endoporus and right-hand member end face are protected
Stay unilateral 2mm processing made allowance.
Stress-removal processing：The workpiece 101 of double of smart car carries out stress-removal processing, discharges a part of machining stress, it is to avoid plus
Deformation is produced during work.
Smart car：Referring to Fig. 3, the disc support member 103 matched with hole size is placed in the endoporus of the left end of workpiece 101,
The chuck 102 of the scroll chuck card engaging workpiece 101 of horizontal lathe is used again, the power that is loaded of claw is undertaken by growing thin-wall tube-shaped workpiece
It is changed into disc support member 103 to undertake, it is to avoid direct card engaging workpiece chuck 102 and the change of the thin-wall tube-shaped workpiece 101 of length that occurs
Shape.Then the right-hand member end face of smart car workpiece 101 is shown in light, and the cylindrical of smart car workpiece 101 arrives detail of design size.Meanwhile, from work
The further smart car endoporus of right-hand member of part 101, when the unilateral made allowance of smart car endoporus is in 0.15mm -0.20mm, stops inner hole refined
Car, close to the position of chuck 102 it is cylindrical on radial direction grooving 104, wide 5mm, the depth 5mm -7mm of grooving 104 pass through grooving 104
Further discharge machining stress, it is to avoid process is deformed.Finally continue the endoporus of smart car workpiece 101 to design drawing sample ruler
It is very little.During smart car, the method for aiding in playing table measurement using lathe makes the cylindrical of workpiece 101, endoporus and right-hand member end face all reach
The size of detail of design, to meet the axiality requirement of the inside and outside circle of workpiece 101.
Grinding：Whole length of the workpiece 101 after smart car are measured, then on the basis of the right-hand member end face of workpiece 101,
In the case of ensureing that retaining the unilateral made allowance of the length of workpiece 101 is 0.4-0.6mm, by the workpiece of Tourniquet clamping head 102 at grooving 104
101 left ends are cut away.The right-hand member end face of workpiece 101 is placed on the workbench of surface grinding machine, by the magnetic of surface grinding machine workbench
Power adsorbs the right-hand member end face of workpiece 101, and on the basis of the right-hand member end face of workpiece 101, the left end end face of workpiece 101 is ground
Cut, the length of grinding left end end face to whole workpiece 101 reaches detail of design requirement.It so not only ensure that setting for workpiece 101
Count pattern length, moreover it is possible to ensure the perpendicularity requirement of the both ends of the surface of workpiece 101 and axis of workpiece, finally give long Thin-wall cylindrical part
As shown in Figure 4.
The processing method for the long Thin-wall cylindrical part that the present invention is provided, takes following measures in manufacturing procedure：Rough turn list
Side retains 3mm made allowances, the method for the unilateral reservation 2mm made allowances of half smart car；Disc support member is held as assistant assembleing and fixing instrument
Carry on a shoulder pole the power that is loaded of claw, it is to avoid thin-wall part endoporus does not support the deformation that is loaded；After half smart car, disappeared by heat-treating methods
Except a part is machined stress；By radial direction grooving, in the way of machining, part processing is discharged at grooving should
Power.By the implementation of above-mentioned operation step and corresponding measure, so as to ensure finally to process obtained long Thin-wall cylindrical part
Axiality within 0.02mm.
It should be noted last that, above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (4)
1. a kind of processing method of long Thin-wall cylindrical part, it is characterised in that comprise the following steps：
Roughing：Card engaging workpiece one end, rough turn cylindrical, endoporus and other end end face, and form chuck at the workpiece end that is loaded；
Heat treatment：Workpiece after roughing is quenched and tempering heat treatment；
Ultrasonic examination：Workpiece after heat treatment is loaded the chuck, it is lossless in described cylindrical and described other end end face car
Test surface, roughness Ra 3.2 carries out ultrasonic examination；
It is rough turn：Be loaded the chuck, rough turn cylindrical, the described endoporus and the other end end face, the cylindrical, endoporus and another
One end end face retains unilateral made allowance 3mm；
Half smart car：Be loaded the chuck, cylindrical, described endoporus described in half smart car and the other end end face, the cylindrical, endoporus
Retain unilateral made allowance 2mm with other end end face；
Stress-removal processing：The workpiece of double of smart car carries out stress-removal processing, discharges machining stress；
Smart car：The disc support member matched with the hole size, then the be loaded chuck, smart car are placed in the chuck end
The other end end face is shown in light, and cylindrical described in smart car to arrive design size, the unilateral surplus of smart car endoporus is in 0.15mm -0.20mm
When, close to the chuck position it is described it is cylindrical on radial direction grooving, then endoporus described in smart car is to design size；
Grinding：The chuck end is cut away, then on the basis of the other end end face, is ground and cuts on surface grinding machine workbench
Fall the end face of the chuck end to design requirement.
2. the processing method of long Thin-wall cylindrical part according to claim 1, it is characterised in that：It is described by the chuck end
Cut away, be the length for first measuring the workpiece, then on the basis of the other end end face, retain unilateral to the Workpiece length
0.4-0.6mm made allowance, cuts away the chuck end at the grooving.
3. the processing method of long Thin-wall cylindrical part according to claim 2, it is characterised in that：The wide 5mm of grooving, depth
5mm—7mm。
4. the processing method of the long Thin-wall cylindrical part according to claim any one of 1-3, it is characterised in that：Described guarantor
It is to play table measurement realization by carrying out vernier caliper measurement and lathe auxiliary to the workpiece to stay unilateral made allowance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710530471.7A CN107175475A (en) | 2017-07-03 | 2017-07-03 | A kind of processing method of long Thin-wall cylindrical part |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201710530471.7A CN107175475A (en) | 2017-07-03 | 2017-07-03 | A kind of processing method of long Thin-wall cylindrical part |
Publications (1)
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| CN107175475A true CN107175475A (en) | 2017-09-19 |
Family
ID=59845438
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| CN201710530471.7A Pending CN107175475A (en) | 2017-07-03 | 2017-07-03 | A kind of processing method of long Thin-wall cylindrical part |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000182A (en) * | 2017-12-07 | 2018-05-08 | 霍山嘉远智能制造有限公司 | A kind of thin-walled is with the long barrel part processing tool of window and technique |
| CN108568645A (en) * | 2018-05-03 | 2018-09-25 | 齐齐哈尔建华机械有限公司 | A kind of thin-walled shell class is hardened the processing method of part |
| CN109396766A (en) * | 2018-11-30 | 2019-03-01 | 河南红宇精密机械有限公司 | A kind of thin-wall case processing technology |
| CN110026748A (en) * | 2019-05-24 | 2019-07-19 | 无锡亿锞精密机械有限公司 | Ultra-thin non-magnetic alloy steel inside and outside circle precise machining process |
| CN110102988A (en) * | 2019-06-20 | 2019-08-09 | 苏州市航宝科技技术有限公司 | Machining process of large-diameter thin-wall part |
| CN110625334A (en) * | 2019-08-29 | 2019-12-31 | 湖北三江航天江北机械工程有限公司 | Machining method for reducing deformation of slender thin-wall rocket combustion chamber shell |
| CN110757094A (en) * | 2019-10-31 | 2020-02-07 | 中航飞机起落架有限责任公司 | Turning method of cylindrical stepped thin-wall part |
| CN111318855A (en) * | 2019-11-07 | 2020-06-23 | 沈阳铸造研究所有限公司 | Method for machining cylindrical part |
| CN112809323A (en) * | 2021-01-26 | 2021-05-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Manufacturing process of axisymmetric nozzle of conventional hypersonic wind tunnel |
| CN114083243A (en) * | 2021-12-06 | 2022-02-25 | 河北燕兴机械有限公司 | Thin-wall shell machining process |
| CN114310201A (en) * | 2022-03-04 | 2022-04-12 | 中国空气动力研究与发展中心高速空气动力研究所 | Processing technology of large-diameter thin-wall deep-hole aluminum alloy cabin |
| CN114473373A (en) * | 2021-12-29 | 2022-05-13 | 中国原子能科学研究院 | Processing technique suitable for thin-wall iron-horse steel pipe fitting |
| CN114589464A (en) * | 2022-03-15 | 2022-06-07 | 江南工业集团有限公司 | Method for machining inner hole of high-precision long and thin cylindrical part |
| CN115091210A (en) * | 2022-08-03 | 2022-09-23 | 中国航发南方工业有限公司 | Power turbine guider machining method |
| WO2023070921A1 (en) * | 2021-10-28 | 2023-05-04 | 航天精工股份有限公司 | Precision numerical control machining method for titanium alloy thin-walled lens barrel part |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108000182A (en) * | 2017-12-07 | 2018-05-08 | 霍山嘉远智能制造有限公司 | A kind of thin-walled is with the long barrel part processing tool of window and technique |
| CN108568645A (en) * | 2018-05-03 | 2018-09-25 | 齐齐哈尔建华机械有限公司 | A kind of thin-walled shell class is hardened the processing method of part |
| CN109396766B (en) * | 2018-11-30 | 2021-07-09 | 河南红宇精密机械有限公司 | Thin-wall shell machining process method |
| CN109396766A (en) * | 2018-11-30 | 2019-03-01 | 河南红宇精密机械有限公司 | A kind of thin-wall case processing technology |
| CN110026748A (en) * | 2019-05-24 | 2019-07-19 | 无锡亿锞精密机械有限公司 | Ultra-thin non-magnetic alloy steel inside and outside circle precise machining process |
| CN110102988A (en) * | 2019-06-20 | 2019-08-09 | 苏州市航宝科技技术有限公司 | Machining process of large-diameter thin-wall part |
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| GB2594182A (en) * | 2019-06-20 | 2021-10-20 | Suzhou Eric Mech & Electronics Co Ltd | Machining process for large-diameter thin-walled part |
| WO2020253818A1 (en) * | 2019-06-20 | 2020-12-24 | 苏州市意可机电有限公司 | Machining process for large-diameter thin-walled part |
| CN110625334A (en) * | 2019-08-29 | 2019-12-31 | 湖北三江航天江北机械工程有限公司 | Machining method for reducing deformation of slender thin-wall rocket combustion chamber shell |
| CN110757094A (en) * | 2019-10-31 | 2020-02-07 | 中航飞机起落架有限责任公司 | Turning method of cylindrical stepped thin-wall part |
| CN111318855A (en) * | 2019-11-07 | 2020-06-23 | 沈阳铸造研究所有限公司 | Method for machining cylindrical part |
| CN112809323A (en) * | 2021-01-26 | 2021-05-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Manufacturing process of axisymmetric nozzle of conventional hypersonic wind tunnel |
| WO2023070921A1 (en) * | 2021-10-28 | 2023-05-04 | 航天精工股份有限公司 | Precision numerical control machining method for titanium alloy thin-walled lens barrel part |
| CN114083243A (en) * | 2021-12-06 | 2022-02-25 | 河北燕兴机械有限公司 | Thin-wall shell machining process |
| CN114473373A (en) * | 2021-12-29 | 2022-05-13 | 中国原子能科学研究院 | Processing technique suitable for thin-wall iron-horse steel pipe fitting |
| CN114310201A (en) * | 2022-03-04 | 2022-04-12 | 中国空气动力研究与发展中心高速空气动力研究所 | Processing technology of large-diameter thin-wall deep-hole aluminum alloy cabin |
| CN114589464A (en) * | 2022-03-15 | 2022-06-07 | 江南工业集团有限公司 | Method for machining inner hole of high-precision long and thin cylindrical part |
| CN115091210A (en) * | 2022-08-03 | 2022-09-23 | 中国航发南方工业有限公司 | Power turbine guider machining method |
| CN115091210B (en) * | 2022-08-03 | 2023-12-01 | 中国航发南方工业有限公司 | Machining method of power turbine guider |
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Application publication date: 20170919 |