CN109465499A - A kind of processing method that chain digital control gear hobbing machine hobbing is compound - Google Patents
A kind of processing method that chain digital control gear hobbing machine hobbing is compound Download PDFInfo
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- CN109465499A CN109465499A CN201811548633.0A CN201811548633A CN109465499A CN 109465499 A CN109465499 A CN 109465499A CN 201811548633 A CN201811548633 A CN 201811548633A CN 109465499 A CN109465499 A CN 109465499A
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- China
- Prior art keywords
- workpiece
- cutter
- hobboing cutter
- gear hobbing
- milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/20—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
A kind of processing method that chain digital control gear hobbing machine hobbing is compound, includes the following steps, one, fixed workpiece, and the workpiece both ends are fixed on the table；Two, cutter is installed, hobboing cutter and milling cutter are fixed on same knife bar by hold-down bolt, the axial axial line of the hobboing cutter and the milling cutter is overlapped；Three, thick gear hobbing, the workpiece and the hobboing cutter rotate synchronously；Four, the workpiece after completion step 3 is carried out gear hobbing by smart gear hobbing again；Five, knife is altered, the knife bar stops operating, and the milling cutter is directed at tooth socket by the longitudinal movement of the knife bar；Six, root portion is removed, the milling cutter moves along the length extending direction of tooth socket and carries out milling in tooth socket, to remove root portion.The present invention processes workpiece by the way that hobboing cutter and cotter mill cutter to be integrated on same knife bar, shortens process time, and working efficiency is higher, and workpiece surface roughness is smaller.
Description
Technical field
The present invention relates to technical field of industrial equipment, especially a kind of processing method that chain digital control gear hobbing machine hobbing is compound.
Background technique
Currently, when workpiece needs turnery processing, people are often placed on lathe and process, when workpiece needs Milling Process
When, people are often placed on milling machine and process, therefore for some works for not only having needed turnery processing but also need Milling Process
Part, which just needs to be placed individually on lathe and milling machine, to be processed, and is processed into the workpiece of gear, root for digital control hobbing at this stage
Withdrawing is all that curve exits, and cannot reach straight line required by certain workpiece and exit, in original two procedures gear hobbing and processing
Heart milling can also complete this processing request with cutting part, but workpiece surface roughness is big, and processing efficiency is not high.
Summary of the invention
The object of the present invention is to provide for a kind of processing method that chain digital control gear hobbing machine hobbing is compound, the present invention solves existing
Some work pieces process are big at surface roughness when gear, and the problem that processing efficiency is not high.
The technical solution of the invention is as follows: a kind of processing method that chain digital control gear hobbing machine hobbing is compound includes the following steps,
One, fixed workpiece is fixed on the table by the workpiece both ends；
Two, cutter is installed, hobboing cutter and milling cutter are fixed on same knife bar by hold-down bolt, the hobboing cutter and the milling
The axial axial line of knife is overlapped；
Three, thick gear hobbing, the workpiece and the hobboing cutter rotate synchronously, and the cutting speed of the hobboing cutter is 300m/min；
Four, the workpiece after completion step 3 is carried out gear hobbing by smart gear hobbing again, and the workpiece is synchronous with the hobboing cutter
Rotation, the cutting speed of the hobboing cutter are 600m/min；
Five, knife is altered, the knife bar stops operating, and the milling cutter is directed at tooth socket by the longitudinal movement of the knife bar；
Six, root portion is removed, the milling cutter moves along the length extending direction of tooth socket and carries out milling in tooth socket, to go
Except root portion, the cutting speed of the milling cutter is 400m/min.
Preferably, tooth socket groove depth is divided into three machined layers by the step 3, the first machined layer accounts for the 1/2 of groove depth, institute
It states hobboing cutter to cut the workpiece, three circle of workpiece rotation or more is driven by the workbench, the second machined layer accounts for
The 1/4 of groove depth, the hobboing cutter cut the workpiece, drive three circle of workpiece rotation or more by the workbench,
Third machined layer accounts for the 1/8 of groove depth, and the hobboing cutter cuts the workpiece, drives the workpiece to turn by the workbench
It is more than dynamic three circle.
Preferably, the amount of feeding of hobboing cutter described in the step 4 is the 1/8 of groove depth, it is temporary in gullet base setting cutting
Rest point, residence time are 4~6S.
Preferably, the milling cutter is cotter mill cutter.
The medicine have the advantages that
The present invention processes workpiece by the way that hobboing cutter and cotter mill cutter to be integrated on same knife bar, when shortening processing
Between, working efficiency is higher, and workpiece surface roughness is smaller.
Detailed description of the invention
Fig. 1 is rolling cut operation schematic diagram of the present invention；
Fig. 2 is milling operation schematic diagram of the present invention；
Fig. 3 is surface roughness comparison diagram；
Fig. 4 is schematic diagram after workpiece rolling cut；
Fig. 5 is schematic diagram after workpiece milling；
In figure: 1- workpiece, 2- hobboing cutter, 3- milling cutter, 4- hold-down bolt, 5- knife bar.
With embodiment, the invention will be further described with reference to the accompanying drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment, shown in as shown in Figure 1, Figure 2, Fig. 4, Fig. 5, a kind of processing method that chain digital control gear hobbing machine hobbing is compound, including with
Lower step,
One, fixed workpiece 1 is fixed on the table by 1 both ends of workpiece；
Two, cutter is installed, hobboing cutter 2 and milling cutter 3 are fixed on same knife bar 5 by hold-down bolt 4,2 He of hobboing cutter
The axial axial line of the milling cutter 3 is overlapped, and the milling cutter 3 is cotter mill cutter；
Three, thick gear hobbing, the workpiece 1 is rotated synchronously with the hobboing cutter 2, and the cutting speed of the hobboing cutter 2 is 300m/min；
Four, the workpiece 1 after completion step 3 is carried out gear hobbing, the workpiece 1 and the hobboing cutter 2 by smart gear hobbing again
It rotates synchronously, the cutting speed of the hobboing cutter 2 is 600m/min；
Five, knife is altered, the knife bar 5 stops operating, and the milling cutter 3 is directed at tooth by the longitudinal movement of the knife bar 5
Slot；
Six, root portion is removed, the milling cutter 3 moves along the length extending direction of tooth socket and carries out milling in tooth socket, thus
Root portion is removed, the cutting speed of the milling cutter 3 is 400m/min.
Tooth socket groove depth is divided into three machined layers by the step 3, and the first machined layer accounts for the 1/2 of groove depth, and the hobboing cutter 2 is right
The workpiece 1 is cut, and drives three circle of the rotation of workpiece 1 or more by workbench, and the second machined layer accounts for the 1/4 of groove depth,
The hobboing cutter 2 cuts the workpiece 1, drives three circle of the rotation of workpiece 1 or more by workbench, third machined layer accounts for
The 1/8 of groove depth, the hobboing cutter 2 cut the workpiece 1, drive three circle of the rotation of workpiece 1 or more by workbench, lead to
The setting of three machined layers is crossed, the abrasion to cutter can be effectively reduced, extends cutting-tool's used life, while improving processing essence
Degree.
The amount of feeding of hobboing cutter 2 described in the step 4 is the 1/8 of groove depth, and cutting pause point is arranged in gullet base, stops
Staying the time is 4~6S.
Effectively improve that workpiece surface roughness is big using the above method, and the problem that processing efficiency is not high.It takes on product
Five reference points of equivalent position analyzed, from its surface roughness, working efficiency data comparison it can be seen that
As shown in figure 3, the surface roughness of gear, when conventional method is handled, range is probably arrived in Ra1.5
Between Ra1.8, after using time method, surface roughness be can control between Ra0.6 to Ra0.9.
Claims (4)
1. a kind of processing method that chain digital control gear hobbing machine hobbing is compound, it is characterised in that: include the following steps,
One, fixed workpiece (1) is fixed on the table by the workpiece (1) both ends；
Two, cutter is installed, hobboing cutter (2) and milling cutter (3) are fixed on same knife bar (5) by hold-down bolt (4), the hobboing cutter
(2) it is overlapped with the axial axial line of the milling cutter (3)；
Three, thick gear hobbing, the workpiece (1) and the hobboing cutter (2) rotate synchronously, and the cutting speed of the hobboing cutter (2) is 300m/
min；
Four, the workpiece (1) after completion step 3 is carried out gear hobbing, the workpiece (1) and the hobboing cutter by smart gear hobbing again
(2) it rotates synchronously, the cutting speed of the hobboing cutter (2) is 600m/min；
Five, knife is altered, and the knife bar (5) stops operating, and the milling cutter (3) is directed at by the longitudinal movement of the knife bar (5)
Tooth socket；
Six, root portion is removed, the milling cutter (3) moves along the length extending direction of tooth socket and carries out milling in tooth socket, to go
Except root portion, the cutting speed of the milling cutter (3) is 400m/min.
2. a kind of processing method that chain digital control gear hobbing machine hobbing is compound according to claim 1, it is characterised in that: the step
Tooth socket groove depth is divided into three machined layers by three, and the first machined layer accounts for the 1/2 of groove depth, and the hobboing cutter (2) carries out the workpiece (1)
Cutting drives three circle of the workpiece (1) rotation or more by workbench, and the second machined layer accounts for the 1/4 of groove depth, the hobboing cutter (2)
The workpiece (1) is cut, three circle of the workpiece (1) rotation or more is driven by workbench, third machined layer accounts for groove depth
1/8, the hobboing cutter (2) cuts the workpiece (1), by workbench drive the workpiece (1) rotation three circle more than.
3. a kind of processing method that chain digital control gear hobbing machine hobbing is compound according to claim 1, it is characterised in that: the step
The amount of feeding of hobboing cutter described in four (2) is the 1/8 of groove depth, cutting pause point is arranged in gullet base, the residence time is 4~6S.
4. a kind of processing method that chain digital control gear hobbing machine hobbing is compound according to claim 1, it is characterised in that: the milling cutter
It (3) is cotter mill cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548633.0A CN109465499A (en) | 2018-12-18 | 2018-12-18 | A kind of processing method that chain digital control gear hobbing machine hobbing is compound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548633.0A CN109465499A (en) | 2018-12-18 | 2018-12-18 | A kind of processing method that chain digital control gear hobbing machine hobbing is compound |
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| CN109465499A true CN109465499A (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811548633.0A Pending CN109465499A (en) | 2018-12-18 | 2018-12-18 | A kind of processing method that chain digital control gear hobbing machine hobbing is compound |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181124A (en) * | 2019-06-14 | 2019-08-30 | 上齿集团有限公司 | High speed and dry rolling cut technique |
| CN113275668A (en) * | 2021-05-17 | 2021-08-20 | 宁波夏拓智能科技有限公司 | Bidirectional hob, chamfering, groove milling and deburring method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59182020A (en) * | 1983-03-30 | 1984-10-16 | Tokico Ltd | Machining method of gear |
| CN102764919A (en) * | 2012-07-31 | 2012-11-07 | 武汉大学 | Hobbing and milling combined machining tool and control method thereof |
| CN102248226B (en) * | 2011-06-21 | 2013-01-23 | 南京高速齿轮制造有限公司 | Numerical-control combined gear milling and hobbing machine for machining large-modulus gear and application thereof |
| CN104439530A (en) * | 2014-11-06 | 2015-03-25 | 贵州黎阳航空动力有限公司 | Undercutting machining method for extra-large-pressure-angle transmission gear |
| CN104493309A (en) * | 2014-12-24 | 2015-04-08 | 重庆机床(集团)有限责任公司 | Milling tooth-rolling tooth composite cutter rest |
| CN108115220A (en) * | 2017-11-29 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of rough turn sector processing method |
-
2018
- 2018-12-18 CN CN201811548633.0A patent/CN109465499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59182020A (en) * | 1983-03-30 | 1984-10-16 | Tokico Ltd | Machining method of gear |
| CN102248226B (en) * | 2011-06-21 | 2013-01-23 | 南京高速齿轮制造有限公司 | Numerical-control combined gear milling and hobbing machine for machining large-modulus gear and application thereof |
| CN102764919A (en) * | 2012-07-31 | 2012-11-07 | 武汉大学 | Hobbing and milling combined machining tool and control method thereof |
| CN104439530A (en) * | 2014-11-06 | 2015-03-25 | 贵州黎阳航空动力有限公司 | Undercutting machining method for extra-large-pressure-angle transmission gear |
| CN104493309A (en) * | 2014-12-24 | 2015-04-08 | 重庆机床(集团)有限责任公司 | Milling tooth-rolling tooth composite cutter rest |
| CN108115220A (en) * | 2017-11-29 | 2018-06-05 | 江阴市永兴机械制造有限公司 | A kind of rough turn sector processing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181124A (en) * | 2019-06-14 | 2019-08-30 | 上齿集团有限公司 | High speed and dry rolling cut technique |
| CN113275668A (en) * | 2021-05-17 | 2021-08-20 | 宁波夏拓智能科技有限公司 | Bidirectional hob, chamfering, groove milling and deburring method |
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Application publication date: 20190315 |
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