CN114178557B - Cylindrical skin processing method - Google Patents
Cylindrical skin processing method Download PDFInfo
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- CN114178557B CN114178557B CN202111639871.4A CN202111639871A CN114178557B CN 114178557 B CN114178557 B CN 114178557B CN 202111639871 A CN202111639871 A CN 202111639871A CN 114178557 B CN114178557 B CN 114178557B
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- face
- machine tool
- outer circle
- inner hole
- tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention relates to a technique for processing a cylindrical skin, in particular to a method for processing the cylindrical skin, which comprises the following steps: clamping a part to be processed on a machine tool workbench so that a first end face of the part is positioned at one side far away from the machine tool workbench; turning a first end surface and a first inner hole of the part; turning over the part, and clamping the part on a machine tool workbench to enable the second end surface of the part to be positioned at one side far away from the machine tool workbench; and (5) machining a second end surface and a second inner hole of the part. Through dividing into two sections with the hole of part, get rid of the surplus to two terminal surfaces and two sections hole car processing of part respectively, reasonable arrangement processing route has avoided directly processing to the other end from the one end of part, and processing stress is too big, leads to the deflection of part big, and the great condition of form and position tolerance of part takes place, reduces the work load of follow-up manual correction, practices thrift the cost of labor, satisfies the subassembly processing of follow-up process to the terminal surface of covering part and the hole size demand of interior.
Description
Technical Field
The invention relates to a technique for processing a cylindrical skin, in particular to a method for processing the cylindrical skin.
Background
The skin is a common structural component part of aerospace products and is mainly used for large thin-wall cabin section shells, and because the skin is formed by rolling, welding and knocking, the machining allowance of the inner and outer circles after welding is smaller, the pre-welding dimensional accuracy and the deformation of parts must be controlled so as to ensure that the inner and outer shapes have enough allowance for machining after assembling and friction stir welding. However, the existing cylindrical skin processing method is to clamp the outer circle of the part, and the cylindrical skin processing method is processed from one end of the inner hole of the part to the other end of the inner hole of the part, so that the processing stress is large, the deformation of the part is large, and the form and position tolerance of the part is large, so that the research and development of the cylindrical skin processing method capable of reducing the deformation of the part is high in value.
Disclosure of Invention
Embodiments of the present invention aim to solve at least one of the technical problems existing in the prior art or related technologies.
Therefore, an object of the embodiment of the invention is to provide a cylindrical skin processing method.
In order to achieve the above object, the technical solution of the present invention provides a cylindrical skin processing method, including:
clamping a part to be processed on a machine tool workbench so that a first end face of the part is positioned at one side far away from the machine tool workbench;
turning a first end surface and a first inner hole of the part;
turning over the part, and clamping the part on a machine tool workbench so that a second end surface of the part is positioned at one side far away from the machine tool workbench;
and (5) machining a second end surface and a second inner hole of the part.
In addition, the cylindrical skin processing method in the technical scheme provided by the embodiment of the invention can also have the following additional technical characteristics:
in one aspect of the embodiments of the present invention, the step of clamping a part to be machined on a machine tool table such that a first end surface of the part is located on a side away from the machine tool table includes:
and placing the first tool at the inner hole of the part to be processed, adjusting the first tool so that the first tool can tightly support the inner hole of the part to be processed, and placing the first tool on a machine tool workbench.
In one aspect of an embodiment of the present invention,
the step of clamping the part to be machined on the machine tool table such that the first end face of the part is located on a side away from the machine tool table further comprises:
detecting the outer circle roundness of the first end face and the outer circle roundness of the second end face of the part to be processed, and aligning the outer circle roundness of the first end face and the outer circle roundness of the second end face of the part to be processed to be no more than 0.5 millimeter; and/or
Detecting the straightness of the outer circle of the part to be processed, and aligning the straightness of the outer circle of the part to be processed to be not more than 0.5 millimeter;
the first tooling is pressed tightly through the pressing plate, so that the aligned part is clamped on the workbench of the machine tool.
In one technical solution of the embodiment of the present invention, the step of turning the first end surface and the first inner hole of the part includes:
and placing the second tool at the outer circle position of the part to be processed, and adjusting the second tool to enable the second tool to clamp the outer circle of the part to be processed.
In one technical scheme of the embodiment of the invention, the step of turning the first end face and the first inner hole of the part further comprises:
detecting and recording the straightness of the outer circle of the part to be processed; and/or
Detecting and recording the roundness of the outer circle of the part to be processed; and/or
Detecting and recording the outer circle diameter of the first end face and the inner circle diameter of the first end face of the part to be processed; and/or
The outer diameter of the second end face and the inner diameter of the second end face of the part to be processed are detected and recorded.
In one technical scheme of the embodiment of the invention, the step of turning the first end face and the first inner hole of the part comprises the following steps:
removing the welding section of the first end face;
the first bore is machined to at least 70% area of the surface of the first bore.
In one technical scheme of the embodiment of the invention, the step of overturning the part and clamping the part on the machine tool workbench so that the second end surface of the part is positioned at one side far away from the machine tool workbench comprises the following steps:
the parts are detached from the machine tool workbench, the coaxial disc is arranged on the machine tool workbench, the center of the coaxial disc is aligned, the coaxiality of the coaxial disc and the machine tool workbench is not more than 0.05 mm, and the parts are clamped on the coaxial disc after being overturned, so that the second end face is located at one side far away from the machine tool workbench.
In one technical scheme of the embodiment of the invention, the step of turning the second end surface and the second inner hole of the part comprises the following steps:
removing the welding section of the second end face;
and processing the second inner hole to at least 70% area of the surface of the second inner hole by using visible light.
In one technical solution of the embodiment of the present invention, the step of turning the second end surface and the second inner hole of the part further includes:
keeping the part in a clamping state, and detecting and recording the straightness of the outer circle of the processed part; and/or
Detecting and recording the roundness of the outer circle of the machined part; and/or
Detecting and recording the outer circle diameter of the first end face and the inner circle diameter of the first end face of the machined part; and/or
And detecting and recording the outer circle diameter of the second end surface and the inner circle diameter of the second end surface of the processed part.
In one technical solution of the embodiment of the present invention, the step of turning the second end surface and the second inner hole of the part further includes:
and unloading the first tool from the machine tool workbench, unloading the first tool from the inner hole of the machined part, and stabilizing the machined part.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the invention provides a cylindrical skin processing method, which comprises the steps of clamping a part to be processed on a machine tool workbench so that a first end face of the part is positioned at one side far away from the machine tool workbench; turning a first end surface and a first inner hole of the part; turning over the part, and clamping the part on a machine tool workbench so that a second end surface of the part is positioned at one side far away from the machine tool workbench; and (5) machining a second end surface and a second inner hole of the part. So set up, through dividing into two sections with the hole of part, carry out the driving respectively to two terminal surfaces and two sections holes of part and get rid of the surplus, reasonable arrangement processing route has avoided directly processing to the other end from the one end of part, and processing stress is too big, leads to the deflection of part big, and the great condition of form and position tolerance of part takes place, has reduced the work load of follow-up manual correction, has practiced thrift the cost of labor, has satisfied the subassembly processing of follow-up process to the terminal surface and the hole size demand of interior hole of covering part.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a flow chart of steps of a cylindrical skin processing method according to one embodiment of the invention;
FIG. 2 shows a schematic structural view of a part according to one embodiment of the invention;
FIG. 3 shows an assembly schematic of a part and a first tooling according to one embodiment of the invention;
FIG. 4 shows a schematic diagram of a structure of a second tooling in one direction according to one embodiment of the present invention;
fig. 5 shows a schematic diagram of another direction of the second tool according to an embodiment of the invention.
Wherein, the correspondence between the reference numerals and the component names in fig. 2 to 5 is:
100 parts, 110 first end faces, 112 welded sections of the first end faces,
120, 130 second end faces, 132 second end faces,
140 second bore, 200 first tooling, 300 second tooling.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
In one embodiment of the present invention, a cylindrical skin processing method may be implemented as shown in fig. 1, and the method includes the following steps:
step S400, clamping the part 100 to be processed on a machine tool workbench so that the first end face 110 of the part 100 is positioned at one side far away from the machine tool workbench;
step S500, a first end face 110 and a first inner hole 120 of the part 100 are machined;
step S600, turning over the part 100 and clamping the part on a machine tool workbench so that the second end surface 130 of the part 100 is positioned at one side far away from the machine tool workbench;
in step S700, the second end surface 130 and the second inner hole 140 of the part 100 are machined.
In this embodiment, the part 100 to be machined is clamped to a table of a machine tool, and it will be appreciated that the machine tool may be one of a horizontal lathe or a vertical lathe, and the specific clamping mode is determined according to the type of lathe selected. The first end face 110 of the part 100 is positioned on a side remote from the machine table to facilitate machining of the first end face 110 and the first bore 120 adjacent the first end face 110.
The first end face 110 and the first bore 120 of the part 100 are machined to remove the remainder of the first end face 110 and the first bore 120, and the first end face 110 and the first bore 120 are sized to the final dimensions of the process.
After the part 100 is turned 180 degrees, the part is clamped on the machine tool workbench again, and the second end face 130 of the part 100 is positioned on one side far away from the machine tool workbench so as to process the second end face 130 and a second inner hole 140 adjacent to the second end face 130.
The second end face 130 and the second bore 140 of the part 100 are machined to remove the remainder of the second end face 130 and the second bore 140, and the second end face 130 and the second bore 140 are sized to the final dimensions of the process.
Through dividing the inner hole of the part 100 into two sections, the two end faces and the two sections of inner holes of the part 100 are respectively machined to remove the allowance, and a machining route is reasonably arranged, so that the situation that the deformation of the part 100 is large due to overlarge machining stress from one end of the part 100 to the other end is avoided, the situation that the form and position tolerance of the part 100 is large occurs, the workload of subsequent manual shape correction is reduced, the labor cost is saved, and the requirements of the component machining of the subsequent procedure on the size of the end face and the inner hole of the skin part 100 are met.
It will be appreciated that the depth of the two end bores of the part 100 may be sufficient to meet the size of the welding process for the next step, and that the bores need not be fully machined in the depth direction.
In one embodiment, the material of the part 100 is a 2A70 sheet, heat treated to T6, formed by roll welding, and the outer circle of the part 100 to be machined is of the sizeMillimeter, inner hole size +.>The first end face 110 and the second end face 130 of the part 100 are respectively machined to a height of 535 mm in mm so that the final height dimension of the part 100 is +.>Machining the first inner hole 120 to 210 mm along the depth direction of the first end face 110, wherein the first inner hole 120 is +.>After turning over the part 100, the second bore 140 is machined to 21 mm along the depth of the second end face 130, the second bore 140 size is +.>Millimeter.
In one embodiment of the present invention, the step of clamping the part 100 to be machined to the machine tool table such that the first end face 110 of the part 100 is located on a side remote from the machine tool table comprises: the first tooling 200 is placed at the position of the inner hole of the part 100 to be processed, the first tooling 200 is adjusted so that the first tooling 200 supports the inner hole of the part 100 to be processed, and the first tooling 200 is placed on a machine tool workbench.
In this embodiment, fig. 3 shows the assembly relationship between the first tool 200 and the part 100, where the step of clamping the part 100 to be machined on the machine tool workbench so that the first end face 110 of the part 100 is located at a side far away from the machine tool workbench includes placing the first tool 200 in an inner hole of the part 100 to be machined, adjusting a bolt of the first tool 200 according to the size of the inner hole, so that the first tool 200 tightens the inner hole of the part 100, placing the adjusted part 100 and the first tool 200 on the machine tool workbench, and it can be understood that this placement ensures that the positions of the first tool 200 and the machine tool workbench are relatively fixed, so that the position of the part 100 can be adjusted conveniently and subsequently, and sliding is prevented.
It can be appreciated that the first tool 200 is located at a depth position in the inner hole, and a machining allowance is reserved between the depth position and the machining depth of the first inner hole 120 and the second inner hole 140, so that the machining allowance at least ensures that the machining tool cannot touch the first tool 200 when feeding or retracting, and the tool and the first tool 200 are prevented from being damaged.
In one embodiment of the present invention, the step of clamping the part 100 to be machined to the machine tool table such that the first end face 110 of the part 100 is located on a side remote from the machine tool table further comprises: detecting the outer circle roundness of the first end face 110 and the outer circle roundness of the second end face 130 of the part 100 to be processed, and aligning the outer circle roundness of the first end face 110 and the outer circle roundness of the second end face 130 of the part 100 to be processed to be no more than 0.5 mm; and/or detecting the outer circle straightness of the part 100 to be processed, and aligning the outer circle straightness of the part 100 to be processed to be not more than 0.5 mm; the first tooling 200 is pressed by the pressing plate, so that the aligned part 100 is clamped on the machine tool workbench.
In this embodiment, after the first tool 200 for tightening the inner hole of the part 100 is placed on a workbench of a machine tool, the part 100 is detected, wherein the outer circle roundness of the first end face 110 and the second end face 130 of the part 100 is detected, 6 points are taken from the outer circle of each end face of the part 100 by adopting a dial indicator, the outer circle roundness of the first end face 110 and the second end face 130 is calculated according to half of the difference value between the maximum value and the minimum value of the measured 6 points, the outer circle roundness of the first end face 110 and the outer circle roundness of the second end face 130 of the part 100 are required to be processed, if the detected outer circle roundness exceeds 0.5 mm, the local tightening degree of the first tool 200 to the inner hole of the part 100 is adjusted by rotating a plurality of adjusting studs of the first tool 200, and therefore the outer circle roundness of the first end face 110 and the outer circle of the second end face 130 of the part 100 is aligned.
The straightness of the outer circle of the part 100 is detected through a standard tool for detecting straightness, the straightness of the outer circle of the part 100 is detected at 16 parts of the outer circle of the part 100, the straightness of the outer circle of the part 100 is required to be processed, if the straightness of the outer circle of the part 100 is not more than 0.5 mm, the straightness of the outer circle is required to be processed, if the straightness of the outer circle is detected to be more than 0.5 mm, the straightness of the outer circle of the part 100 is aligned by locally adding a gasket between the first tool 200 and a machine tool workbench.
After the excircle roundness of the first end face 110 and the second end face 130 of the part 100 and the excircle straightness of the part 100 are aligned, the first tool 200 is pressed by the pressing plate, so that the part 100 is fixedly clamped on a machine tool workbench, and the error of a subsequent machining procedure is reduced, so that the machining size of the part 100 is more accurate, the part 100 is fixedly clamped on the workbench, accidents and losses caused by falling of the part 100 in the machining process are avoided, and the machining stability is ensured.
In one embodiment of the present invention, the step of machining the first end surface 110, the first bore 120 of the part 100 is preceded by the step of placing a second tool 300 at the location of the outer circle of the part 100 to be machined, and adjusting the second tool 300 such that the second tool 300 clamps the outer circle of the part 100 to be machined.
In this embodiment, before the step of turning the first end face 110 and the first inner hole 120 of the part 100, since the skin part 100 is a thin-walled part 100, shake is easily generated during the machining process, resulting in large machining dimension errors, so by setting the second tool 300, as shown in fig. 3 and 4, the second tool 300 is placed on the outer circle position of the part 100 to be machined, the outer circle of the part 100 is fixed, the adjusting studs of the second tool 300 are rotated, and the positions of the plurality of supporting columns of the second tool 300 are adjusted, so that the outer circle of the part 100 is clamped and fixed, the machining stability is ensured, and the deformation amount of the part 100 is reduced.
In one embodiment of the present invention, the step of machining the first end face 110, the first bore 120 of the part 100 further includes, prior to: detecting and recording the outer circle straightness of the part 100 to be processed; and/or detecting and recording the outer circle roundness of the part 100 to be machined; and/or detecting and recording the outer diameter of the first end face 110 and the inner diameter of the first end face 110 of the part 100 to be machined; and/or detecting and recording the outer diameter of the second end face 130 and the inner diameter of the second end face 130 of the part 100 to be machined.
In this embodiment, after the part 100 is aligned and fixedly pressed on a machine tool workbench, the method includes the steps of performing detection before machining, detecting and recording the outer circle straightness of the part 100 to be machined, detecting and recording the outer circle roundness of the part 100 to be machined, wherein the method for detecting the outer circle straightness of the part 100 uses a straightness detection standard tool, selects a circle 16 of the part 100 to detect, the method for detecting the outer circle roundness of the part 100 uses a dial indicator, 6 points of the same outer circle cross section are selected, the outer circle roundness of the part 100 is calculated according to half of the difference value between the maximum value and the minimum value of the outer circle diameters of the 6 points, and the outer circle diameter of the first end face 110 and the inner circle diameter of the first end face 110 of the part 100 to be machined are detected and recorded by using the dial indicator, the outer circle diameter of the second end face 130 of the part 100 to be machined and the inner circle diameter of the second end face 130 are recorded by using the dial indicator, the method can be used as a coordination basis for subsequent machining, dimensional data of the part 100 can be known in real time, if problems occur, and production management efficiency is improved.
In one embodiment of the present invention, the step of machining the first end face 110, the first bore 120 of the part 100 includes: removing the welded segment 112 of the first end face; the first bore 120 is machined to at least 70% area of the surface of the first bore 120 with visible light.
In this embodiment, the first end face 110 and the first inner hole 120 of the part 100 are machined, and firstly, the welding section 112 of the first end face of the part 100 is removed by machining, it can be understood that the welding section 112 of the first end face to be removed can be marked in advance, an initial machining position can be found conveniently during machining, machining efficiency is improved, after the welding section 112 of the first end face is removed, the first inner hole 120 is machined to a final size after the first end face 110 is machined to a final size, it can be understood that the final size of the inner hole of the part 100 is determined by the size of the component of the part 100 matched with the component, and at least the surface of the inner hole of the part 100 is guaranteed to be more than 70% of the area of visible light, so that the flatness of the surface of the inner hole is guaranteed, and the inner hole is convenient to be matched with other parts 100. The inner hole of the part 100 is processed in a segmented mode, processing stress is reduced, deformation of the part 100 is reduced, and processing precision of the part 100 is improved.
In one embodiment of the present invention, the step of flipping over the part 100, clamping it to the machine table such that the second end surface 130 of the part 100 is located on a side remote from the machine table comprises: the part 100 is removed from the machine tool table, a coaxial disc is mounted on the machine tool table, the center of the coaxial disc is aligned, the coaxiality of the coaxial disc and the machine tool table is not more than 0.05 mm, and the part 100 is turned over and then clamped on the coaxial disc so that the second end face 130 is located on the side far away from the machine tool table.
In this embodiment, after the first end face 110 and the first inner hole 120 of the part 100 are machined, the part 100 and the first tool 200 are removed from the machine tool workbench, and a coaxial disc is mounted on the machine tool workbench, the center of the coaxial disc is aligned, so that the coaxiality of the coaxial disc and the machine tool workbench is not more than 0.05 mm, and after the part 100 and the first tool 200 mounted in the inner hole are turned 180 degrees, the first tool 200 is clamped on the coaxial disc by using a pressing plate, so that the second end face 130 and the second inner hole 140 adjacent to the second end face 130 are machined conveniently. By providing a coaxial disc, accuracy in repositioning alignment after the part 100 is flipped is ensured, and speed of realignment is increased.
In one embodiment of the present invention, the step of machining the second end face 130, the second bore 140 of the part 100 includes: the welding segment 132 of the second end surface is removed, and the second inner hole 140 is processed to at least 70% area of the surface of the second inner hole 140.
In this embodiment, the second end surface 130 and the second inner hole 140 of the part 100 are machined, and firstly, the welding section 132 of the second end surface of the part 100 is removed by machining, it can be understood that the welding section 132 of the second end surface to be removed can be marked in advance, an initial machining position can be found conveniently during machining, the machining efficiency is improved, after the welding section 132 of the second end surface is removed, the second inner hole 140 is machined to a final size after the second end surface 130 is machined to a final size, and it can be understood that the final size of the inner hole of the part 100 is determined by the size of the component of the part 100 matched with the component, so that at least the surface of the inner hole of the part 100 is ensured to have the visible light with the area of more than 70% so as to ensure the flatness of the surface of the inner hole, and the second end surface is convenient to be matched with other parts 100. The inner hole of the part 100 is processed in a segmented mode, processing stress is reduced, deformation of the part 100 is reduced, and processing precision of the part 100 is improved.
In one embodiment of the present invention, the step of machining the second end face 130, the second bore 140 of the part 100 further comprises: keeping the part 100 in a clamping state, and detecting and recording the straightness of the outer circle of the processed part 100; and/or detecting and recording the roundness of the outer circle of the machined part 100; and/or detecting and recording the outside diameter of the first end face 110 and the inside diameter of the first end face 110 of the machined part 100; and/or detecting and recording the outside diameter of the second end face 130 and the inside diameter of the second end face 130 of the machined part 100.
In this embodiment, after the machining of the part 100 is completed, the outer circle straightness and the outer circle roundness of the part 100 are detected for the part 100 in a clamped state, wherein the method for detecting the outer circle straightness of the part 100 uses a straightness detection standard tool, a circle 16 of the part 100 is selected for detection, the method for detecting the outer circle roundness of the part 100 uses a dial gauge, 6 points of the same outer circle cross section are selected, the outer circle roundness of the part 100 is calculated according to half of the difference value between the maximum value and the minimum value of the measured 6 points, the outer circle diameter of the first end face 110 and the inner circle diameter of the first end face 110 of the part 100 to be machined are detected and recorded by using a percentage rule, the outer circle diameter of the second end face 130 and the inner circle diameter of the second end face 130 of the part 100 to be machined are detected and recorded by using a percentage rule, the final actual size of the part 100 is determined, the size change of the part 100 after the machining is conveniently known, the size data of the part 100 can be used as a coordinate basis for subsequent machining, and the size data of the part 100 can be known in real time, if a problem occurs, the production management efficiency is improved.
In one embodiment of the present invention, the step of machining the second end face 130, the second bore 140 of the part 100 further comprises: the first tool 200 is detached from the machine tool workbench, the first tool 200 is detached from the inner hole of the machined part 100, and the machined part 100 is stably processed.
In this embodiment, after the process of detecting the part 100 is completed, the pressing plate for pressing the first tool 200 is released, the part 100 and the first tool 200 mounted in the inner hole are removed from the machine tool workbench, the adjusting stud of the first tool 200 is adjusted so that the first tool 200 is separated from the inner hole of the part 100, and after the first tool 200 is taken out, the part 100 is subjected to stabilization treatment, so that the processing stress is eliminated, and the deformation amount of the part 100 is reduced.
In the description of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A cylindrical skin processing method, comprising:
clamping a part to be machined on a machine tool table such that a first end face of the part is located on a side away from the machine tool table, comprising: placing a first tool at the position of an inner hole of the part to be processed, adjusting the first tool to enable the first tool to prop up the inner hole of the part to be processed, and placing the first tool and the part on the machine tool workbench;
detecting the outer circle roundness of the first end face and the outer circle roundness of the second end face of the part to be processed, and aligning the outer circle roundness of the first end face and the outer circle roundness of the second end face of the part to be processed to be no more than 0.5 millimeter; and/or
Detecting the outer circle straightness of the part to be processed, and aligning the outer circle straightness of the part to be processed to be not more than 0.5 millimeter;
the first tool is pressed tightly through a pressing plate, so that the aligned part is clamped on the machine tool workbench;
placing a second tool at the position of the outer circle of the part to be processed, and adjusting the second tool to enable the second tool to clamp the outer circle of the part to be processed;
turning a first end surface and a first inner hole of the part;
turning over the part and clamping the part on the machine tool workbench so that the second end surface of the part is positioned at one side far away from the machine tool workbench;
and machining the second end surface and the second inner hole of the part.
2. The method of claim 1, wherein the step of turning the first end surface of the part, the first bore, comprises:
removing the welding section of the first end face;
and processing the first inner hole to at least 70% area of visible light on the surface of the first inner hole.
3. The method of claim 1, wherein the step of flipping the part over and clamping the part to the machine table such that the second end surface of the part is located on a side remote from the machine table comprises:
and unloading the part from the machine tool workbench, installing a coaxial disc on the machine tool workbench, aligning the center of the coaxial disc, enabling the coaxiality of the coaxial disc and the machine tool workbench to be not more than 0.05 millimeter, and clamping the part on the coaxial disc after overturning so that the second end face is positioned at one side far away from the machine tool workbench.
4. The cylindrical skin machining method according to claim 1, wherein the step of turning the second end surface, the second inner hole of the part includes:
removing the welding section of the second end face;
and processing the second inner hole to at least 70% area of visible light on the surface of the second inner hole.
5. The method of machining a cylindrical skin according to claim 4, wherein the step of turning the second end surface of the part, the second inner bore, further comprises:
maintaining the part in a clamping state, and detecting and recording the straightness of the outer circle of the machined part; and/or
Detecting the roundness of the outer circle of the machined part; and/or
Detecting and recording the outer circle diameter of the first end face, the inner circle diameter of the first end face, the outer circle diameter of the second end face and the inner circle diameter of the second end face of the machined part.
6. The method of machining a cylindrical skin according to claim 5, wherein the step of turning the second end surface of the part, the second inner bore, further comprises:
and unloading the part and the first tool arranged in the inner hole of the part from the machine tool workbench, unloading the first tool from the machined inner hole of the part, and stabilizing the machined part.
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