CN110193780A - Arc machining method and processing tool - Google Patents
Arc machining method and processing tool Download PDFInfo
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- CN110193780A CN110193780A CN201910358451.5A CN201910358451A CN110193780A CN 110193780 A CN110193780 A CN 110193780A CN 201910358451 A CN201910358451 A CN 201910358451A CN 110193780 A CN110193780 A CN 110193780A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of arc machining method and processing tools, belong to processing technique field.Processing method includes: offer processing tool, and a side of processing tool is provided with test circular arc and examines circular arc, tests circular arc and the middle line of circular arc is examined to be overlapped, and the radius for testing circular arc is greater than the radius of inspection circular arc；Processing tool is fixed on to the end of workpiece；It treats Machining Arc to be processed, until being not more than first threshold at a distance from the middle line direction of edge test circular arc of the circular arc to be processed between test circular arc；The position of adjustment processing cutter head；Two testing sites are chosen on test circular arc；Test processing is carried out to test circular arc, if the processed area of two testing sites is identical, Machining Arc is treated and is processed；It treats Machining Arc to be processed, until circular arc to be processed is examined at a distance from the middle line direction of circular arc with the edge between circular arc is examined no more than second threshold.The machining accuracy of circular arc can be improved in the present invention.
Description
Technical field
The invention belongs to processing technique field, in particular to a kind of arc machining method and processing tool.
Background technique
Guide pin is a kind of common machine components, is used to carry sliding part.Common sliding part generally includes one
Circular arc, which is used for and sliding part is slidably matched.
When processing the circular arc of guide pin, typically now carried out by the way of wheel grinding.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
It is not easy to position due to wheel grinding, so the middle line of circular arc is easy deviation standard middle line during grinding,
The circular arc processed is caused not meet design requirement.
Summary of the invention
The embodiment of the invention provides a kind of arc machining method and processing tools, and the machining accuracy of circular arc can be improved.
The technical solution is as follows:
On the one hand, the embodiment of the invention provides a kind of arc machining method, the processing method includes:
Processing tool is provided, a side of the processing tool is provided with test circular arc and examines circular arc, the trial circle
Arc and the middle line for examining circular arc are overlapped, and the radius of the test circular arc is greater than the radius for examining circular arc；
The processing tool is fixed on to the end of workpiece, so that the circular arc to be processed of the workpiece protrudes from the test
Circular arc, and the middle line of the standard circular arc of the workpiece is overlapped with the middle line for examining circular arc；
The circular arc to be processed is processed, until the circular arc to be processed and it is described test circular arc between along described
The distance for testing the middle line direction of circular arc is not more than first threshold；
The position of adjustment processing cutter head；
Two testing sites, middle line pair of two testing sites about the test circular arc are chosen on the test circular arc
Claim；
Test processing is carried out to the test circular arc, if the processed area of two testing sites is identical, to described
Circular arc to be processed is processed, if the processed area of two testing sites is different, adjusts the processing cutter head again
Position；
The circular arc to be processed is processed, until the circular arc to be processed and it is described examine circular arc between along described
The distance in the middle line direction of circular arc is examined to be not more than second threshold.
Optionally, the end that the processing tool is fixed on to workpiece, comprising:
At the end interval of the workpiece, multiple screw holes are set；
The multiple and one-to-one through-hole of the screw hole is set on the processing tool；
Each described through-hole and the corresponding screw hole are bolted on together.
Optionally, the position of the adjustment processing cutter head, comprising:
X-axis by the length direction of the workpiece along lathe is arranged, the middle line in the face to be processed is parallel to the machine
Bed z-axis and perpendicular to the y-axis of the lathe arrange；
Two line of reference are chosen on the circular arc to be processed, two line of reference extend along the x-axis, two institutes
It is identical to state height of the line of reference on the z-axis direction；
Multipair reference point is chosen on two line of reference, obtains the y-axis coordinate of each reference point；
Adjustment distance is calculated according to the y-axis coordinate of each reference point of two line of reference；
The position of the processing cutter head is adjusted according to the adjustment distance.
It is optionally, described that two line of reference are chosen on the circular arc to be processed, comprising:
Dial gauge is installed on the tool arm of the lathe；
The gauge outfit of the dial gauge and the face to be processed are offseted；
The dial gauge is slided, and keeps the numerical value of the dial gauge constant, the sliding trace of the dial gauge is one
The line of reference；
The dial gauge is moved to the middle line other side in the face to be processed；
The dial gauge is slided, and keeps the numerical value of the dial gauge constant, the sliding trace of the dial gauge is another
Line of reference described in item.
Optionally, adjustment distance is calculated in the y-axis coordinate of each reference point according to two line of reference, packet
It includes:
According to the y-axis coordinate of each reference point of a line of reference, the first average y-axis coordinate is calculated；
According to the y-axis coordinate of each reference point of another line of reference, the second average y-axis coordinate is calculated；
The adjustment distance is calculated according to the first average y-axis coordinate and the second average y-axis coordinate.
Optionally, the processing method further include:
Dyestuff is coated on the test circular arc；
The area being rubbed off by the dyestuff obtains the processed area of the testing site.
Optionally, the first threshold is 0.04~0.05mm.
Optionally, the second threshold is 0.02~0.03mm.
On the other hand, the embodiment of the invention provides a kind of arc machining tooling, the processing tool is suitable for above-mentioned add
Work method, a side of the processing tool are provided with test circular arc and examine circular arc, the test circular arc and inspection circle
The middle line of arc is overlapped, and the radius of the test circular arc is greater than the radius for examining circular arc.
Optionally, the roughness Ra for the end face of the processing tool to offset for the end with the workpiece is not more than
1.6。
Technical solution provided in an embodiment of the present invention has the benefit that
Firstly, provide a kind of processing tool, and to the test circular arc on the processing tool and examine the specification of circular arc into
It has gone restriction, i.e., test circular arc and the middle line of circular arc has been examined to be overlapped, the radius for testing circular arc is greater than the radius for examining circular arc.It connects
, processing tool is fixed on to the end of workpiece, so that the circular arc to be processed of workpiece protrudes from test circular arc, consequently facilitating will be to
Machining Arc is machined to, and is not more than at a distance from the middle line direction of edge test circular arc of the circular arc to be processed for being between test circular arc
First threshold, circular arc to be processed is substantially flush with test circular arc at this time.Then, by adjusting the position of processing cutter head, and pass through
Test processing is carried out on test circular arc, to judge whether the position for processing cutter head is correct, is adjusted again if incorrect
It is whole, continue to treat Machining Arc if correct and be processed, until circular arc to be processed and examining the edge between circular arc to examine to justify
The distance in the middle line direction of arc is not more than second threshold.That is, being carried out by testing circular arc to the position of process tool
Check and correction, by examining circular arc to examine the circular arc finally completed the process, to improve the machining accuracy of circular arc.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of flow chart of arc machining method provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of processing tool provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another arc machining method provided in an embodiment of the present invention；
Fig. 4 is workpiece arrangement schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of arc machining methods, as shown in Figure 1, the processing tool includes:
Step 101: providing processing tool, Fig. 2 is the structural schematic diagram of processing tool, in conjunction with Fig. 2, the side of processing tool
While being provided with test circular arc 1 and examining circular arc 2, test circular arc 1 and the middle line of circular arc 2 is examined to be overlapped, the radius for testing circular arc 1 is big
In the radius for examining circular arc 2.
Step 102: processing tool being fixed on to the end of workpiece, so that the circular arc to be processed of workpiece protrudes from test circular arc
1, and the middle line of the standard circular arc of workpiece is overlapped with the middle line of circular arc 2 is examined.
Step 103: treat Machining Arc and processed, until circular arc to be processed and test circular arc 1 between along trial circle
The distance in the middle line direction of arc 1 is not more than first threshold.
Step 104: the position of adjustment processing cutter head.
Step 105: two testing sites, middle line pair of two testing sites about test circular arc 1 are chosen on test circular arc 1
Claim.
Step 106: test processing being carried out to test circular arc 1, if the processed area of two testing sites is identical, to be added
Work circular arc is processed, if the processed area of two testing sites is different, the position of cutter head is processed in adjustment again.
Step 107: treating Machining Arc and processed, until the edge between circular arc to be processed and inspection circular arc 2 is examined and justified
The distance in the middle line direction of arc 2 is not more than second threshold.
When provided arc machining method is through the embodiment of the present invention to process circular arc, firstly, providing
A kind of processing tool, and to the test circular arc 1 on the processing tool and the specification of circular arc 2 is examined to be defined, i.e. trial circle
Arc 1 and the middle line coincidence for examining circular arc 2, the radius of test circular arc 1 are greater than the radius for examining circular arc 2.Then, processing tool is consolidated
It is scheduled on the end of workpiece, so that the circular arc to be processed of workpiece protrudes from test circular arc 1, consequently facilitating by arc machining to be processed
Extremely, it is not more than first threshold at a distance from the middle line direction of edge test circular arc 1 of the circular arc to be processed for being between test circular arc 1,
Circular arc to be processed is substantially flush with test circular arc 1 at this time.Then, by adjusting the position of processing cutter head, and by trial circle
Test processing is carried out on arc 1, to judge whether the position for processing cutter head is correct, is adjusted again if incorrect, if
It is correct then continue to treat Machining Arc and processed, until circular arc to be processed and the edge between circular arc 2 is examined to examine along circular arc 2
The distance in line direction is not more than second threshold.That is, the position of process tool is proofreaded by testing circular arc 1,
By examining circular arc 2 to examine the circular arc finally completed the process, to improve the machining accuracy of circular arc.
Fig. 3 is the flow chart of another arc machining method provided in an embodiment of the present invention, in conjunction with Fig. 3, the processing method
Include:
Step 201: providing processing tool, a side of processing tool is provided with test circular arc 1 and examines circular arc 2, test
Circular arc 1 and the middle line coincidence for examining circular arc 2, the radius of test circular arc 1 are greater than the radius for examining circular arc 2.
Optionally, the roughness Ra for the end face a of processing tool to offset for the end with workpiece is no more than 1.6.
In this manner it is ensured that processing tool closely fits together with workpiece.
Step 202: processing tool being fixed on to the end of workpiece, so that the circular arc to be processed of workpiece protrudes from test circular arc
1, and the middle line of the standard circular arc of workpiece is overlapped with the middle line of circular arc 2 is examined.
It should be noted that the standard circular arc of workpiece, refers to that designer is desired, workpiece is acquired after processing
Arc surface, which can meet design requirement.
Illustratively, multiple screw holes can be set at the end interval of workpiece, correspondingly, being arranged on processing tool multiple
With the one-to-one through-hole 3 of screw hole, then each through-hole 3 and corresponding screw hole are bolted on together again.
Step 203: treat Machining Arc and processed, until circular arc to be processed and test circular arc 1 between along trial circle
The distance in the middle line direction of arc 1 is not more than first threshold.
Illustratively, first threshold can be 0.04~0.05mm.
Step 204: the position of adjustment processing cutter head.
Illustratively, the x-axis by the length direction of workpiece along lathe is arranged, the middle line in face to be processed is parallel to lathe
Z-axis and perpendicular to the y-axis of lathe arrange (referring to fig. 4).
Preferably, the middle line in face to be processed can be overlapped with the z-axis of lathe.
Optionally, step 204 can be realized by following steps:
Extend along x-axis firstly, choosing two line of reference L, two line of reference L on circular arc to be processed, two line of reference L
Height in the z-axis direction is identical.
Illustratively, the selection of two line of reference L can be realized by following steps:
S1: dial gauge is installed on the tool arm of lathe.
S2: the gauge outfit of dial gauge and face to be processed are offseted.
S3: sliding dial gauge, and keep the numerical value of dial gauge constant, the sliding trace of dial gauge is a line of reference L.
S4: dial gauge is moved to the middle line other side in face to be processed
S5: sliding dial gauge, and keep the numerical value of dial gauge constant, the sliding trace of dial gauge is another line of reference L.
Then, multipair reference point b is chosen on two line of reference L, obtains the y-axis coordinate of each reference point b.
Then, adjustment distance is calculated according to the y-axis coordinate of each reference point b of two line of reference L.
Illustratively, adjustment distance can be calculated by following steps:
S1: according to the y-axis coordinate of each reference point b of a line of reference L, the first average y-axis coordinate is calculated.
S2: according to the y-axis coordinate of each reference point b of another line of reference L, the second average y-axis coordinate is calculated.
S3: adjustment distance is calculated according to the first average y-axis coordinate and the second average y-axis coordinate.
Finally, according to the position of adjustment distance adjustment processing cutter head.
In above-mentioned implementation, since the middle line in face to be processed is overlapped with the z-axis of lathe, so when the first average y-axis
Coordinate is y1, when the second average y-axis coordinate is y2, necessarily has a value for positive number in y1 and y2, another value is negative.So
Assuming that y1 is positive number, y2 is negative, and y1 and y2 is summed, obtained numerical value Y, if Y is negative, will process cutter head towards one
The direction of line of reference adjusts the position of Y coordinate, that is, the y-axis coordinate for processing cutter head adds | Y |.If Y is positive number, will processing
Cutter head adjusts the position of Y coordinate towards the direction of another line of reference, i.e. the y-axis coordinate of processing cutter head subtracts | Y |.
Step 205: two testing sites, middle line pair of two testing sites about test circular arc 1 are chosen on test circular arc 1
Claim.
Step 206: test processing being carried out to test circular arc 1, if the processed area of two testing sites is identical, to be added
Work circular arc is processed, i.e. execution step 207, if the processed area of two testing sites is different, cutter head is processed in adjustment again
Position, i.e., execution step 204.
Optionally, dyestuff is coated on test circular arc 1；The area being rubbed off by dyestuff obtains being processed for testing site
Area.
Step 207: treating Machining Arc and processed, until the edge between circular arc to be processed and inspection circular arc 2 is examined and justified
The distance in the middle line direction of arc 2 is not more than second threshold.
Illustratively, second threshold is 0.02~0.03mm.
When provided arc machining method is through the embodiment of the present invention to process circular arc, firstly, providing
A kind of processing tool, and to the test circular arc 1 on the processing tool and the specification of circular arc 2 is examined to be defined, i.e. trial circle
Arc 1 and the middle line coincidence for examining circular arc 2, the radius of test circular arc 1 are greater than the radius for examining circular arc 2.Then, processing tool is consolidated
It is scheduled on the end of workpiece, so that the circular arc to be processed of workpiece protrudes from test circular arc 1, consequently facilitating by arc machining to be processed
Extremely, it is not more than first threshold at a distance from the middle line direction of edge test circular arc 1 of the circular arc to be processed for being between test circular arc 1,
Circular arc to be processed is substantially flush with test circular arc 1 at this time.Then, by adjusting the position of processing cutter head, and by trial circle
Test processing is carried out on arc 1, to judge whether the position for processing cutter head is correct, is adjusted again if incorrect, if
It is correct then continue to treat Machining Arc and processed, until circular arc to be processed and the edge between circular arc 2 is examined to examine along circular arc 2
The distance in line direction is not more than second threshold.That is, the position of process tool is proofreaded by testing circular arc 1,
By examining circular arc 2 to examine the circular arc finally completed the process, to improve the machining accuracy of circular arc.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of arc machining method, which is characterized in that the processing method includes:
There is provided processing tool, a side of the processing tool be provided with test circular arc and examine circular arc, the test circular arc with
The middle line for examining circular arc is overlapped, and the radius of the test circular arc is greater than the radius for examining circular arc；
The processing tool is fixed on to the end of workpiece, so that the circular arc to be processed of the workpiece protrudes from the trial circle
Arc, and the middle line of the standard circular arc of the workpiece is overlapped with the middle line for examining circular arc；
The circular arc to be processed is processed, until the circular arc to be processed and it is described test circular arc between along the test
The distance in the middle line direction of circular arc is not more than first threshold；
The position of adjustment processing cutter head；
Two testing sites are chosen on the test circular arc, two testing sites are symmetrical about the middle line of the test circular arc；
Test processing is carried out to the test circular arc, if the processed area of two testing sites is identical, to described to be added
Work circular arc is processed, if the processed area of two testing sites is different, adjusts the position of the processing cutter head again；
The circular arc to be processed is processed, until the circular arc to be processed and it is described examine circular arc between along the inspection
The distance in the middle line direction of circular arc is not more than second threshold.
2. processing method according to claim 1, which is characterized in that the end that the processing tool is fixed on to workpiece
Portion, comprising:
At the end interval of the workpiece, multiple screw holes are set；
The multiple and one-to-one through-hole of the screw hole is set on the processing tool；
Each described through-hole and the corresponding screw hole are bolted on together.
3. processing method according to claim 1, which is characterized in that the position of the adjustment processing cutter head, comprising:
X-axis by the length direction of the workpiece along lathe is arranged, the middle line in the face to be processed is parallel to the z of the lathe
Axis and perpendicular to the y-axis of the lathe arrange；
Two line of reference are chosen on the circular arc to be processed, two line of reference extend along the x-axis, two ginsengs
It is identical according to height of the line on the z-axis direction；
Multipair reference point is chosen on two line of reference, obtains the y-axis coordinate of each reference point；
Adjustment distance is calculated according to the y-axis coordinate of each reference point of two line of reference；
The position of the processing cutter head is adjusted according to the adjustment distance.
4. processing method according to claim 3, which is characterized in that described to choose two ginsengs on the circular arc to be processed
According to line, comprising:
Dial gauge is installed on the tool arm of the lathe；
The gauge outfit of the dial gauge and the face to be processed are offseted；
The dial gauge is slided, and keeps the numerical value of the dial gauge constant, the sliding trace of the dial gauge is described in one
Line of reference；
The dial gauge is moved to the middle line other side in the face to be processed；
The dial gauge is slided, and keeps the numerical value of the dial gauge constant, the sliding trace of the dial gauge is another institute
State line of reference.
5. processing method according to claim 3, which is characterized in that each reference point according to two line of reference
Y-axis coordinate adjustment distance is calculated, comprising:
According to the y-axis coordinate of each reference point of a line of reference, the first average y-axis coordinate is calculated；
According to the y-axis coordinate of each reference point of another line of reference, the second average y-axis coordinate is calculated；
The adjustment distance is calculated according to the first average y-axis coordinate and the second average y-axis coordinate.
6. processing method according to claim 1, which is characterized in that the processing method further include:
Dyestuff is coated on the test circular arc；
The area being rubbed off by the dyestuff obtains the processed area of the testing site.
7. processing method according to claim 1, which is characterized in that the first threshold is 0.04~0.05mm.
8. processing method according to claim 1, which is characterized in that the second threshold is 0.02~0.03mm.
9. a kind of arc machining tooling, which is characterized in that the processing tool is suitable for processing method described in claim 1,
A side of the processing tool is provided with test circular arc and examines circular arc, the test circular arc and the middle line for examining circular arc
It is overlapped, the radius of the test circular arc is greater than the radius for examining circular arc.
10. processing tool according to claim 9, which is characterized in that the processing tool is used for and the workpiece
The roughness Ra for the end face that end offsets is not more than 1.6.
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| CN201910358451.5A CN110193780B (en) | 2019-04-30 | 2019-04-30 | Arc machining method and machining tool |
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|---|---|---|---|
| CN201910358451.5A CN110193780B (en) | 2019-04-30 | 2019-04-30 | Arc machining method and machining tool |
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| JPS6334007A (en) * | 1986-07-29 | 1988-02-13 | Kobe Steel Ltd | Control method for cutting depth during removal of round steel surface fault |
| EP0369849A1 (en) * | 1988-11-18 | 1990-05-23 | Glaenzer Spicer | Methods and precision-positioning device for a roller segment to finish its rolling surface, and method to work the supporting spots of this device |
| US5302057A (en) * | 1990-09-28 | 1994-04-12 | Serdi-Societe D'etudes De Realisation Et De Diffusion Industrielles | Method and device for centering a guide rod in a valve guide for the purpose of the precision machining of a valve seat |
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| CN110193780B (en) | 2020-12-08 |
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