CN102653014A - Method for using ball-end milling cutter on three-dimensional machine tool to perform negative angle processing - Google Patents

Method for using ball-end milling cutter on three-dimensional machine tool to perform negative angle processing Download PDF

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Publication number
CN102653014A
CN102653014A CN201210147121XA CN201210147121A CN102653014A CN 102653014 A CN102653014 A CN 102653014A CN 201210147121X A CN201210147121X A CN 201210147121XA CN 201210147121 A CN201210147121 A CN 201210147121A CN 102653014 A CN102653014 A CN 102653014A
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CN
China
Prior art keywords
processing
negative angle
workpiece
rose cutter
ball
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201210147121XA
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Chinese (zh)
Inventor
王金玉
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SUZHOU JINHONGSHUN AUTO PARTS CO Ltd
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SUZHOU JINHONGSHUN AUTO PARTS CO Ltd
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Priority to CN201210147121XA priority Critical patent/CN102653014A/en
Publication of CN102653014A publication Critical patent/CN102653014A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method for using a ball-end milling cutter on a three-dimensional machine tool to perform negative angle processing. The method comprises the following steps of: a, calculating the horizontal distance L between the bottom and the top of a negative angle surface to be processed according to a negative angle alpha and a depth h to be cut of a workpiece to be processed, wherein L is equal to tg(alpha)*h; b, selecting a ball-end milling cutter with a corresponding size according to L, wherein the diameter D of a ball-end part of the ball-end milling cutter satisfies that 17.5%D is more than or equal to L; c, processing the selected ball-end milling cutter to ensure that the tool shank diameter d after processing satisfies that (D-D)/2 is more than or equal to L; and d, mounting the workpiece and the processed ball-end milling cutter on the three-dimensional machine tool respectively, and performing negative angle processing on the workpiece. The invention provides the method for using the ball-end milling cutter on the three-dimensional machine tool to quickly and efficiently perform negative angle processing on workpieces such as a stamping die and the like with shallow moulding surfaces.

Description

A kind of rose cutter is used for the three-dimensional lathe and carries out the negative angle method for processing
Technical field
The present invention relates to a kind of rose cutter is used for the three-dimensional lathe and carries out the negative angle method for processing.
Background technology
Rose cutter is the cutter a kind of commonly used that machine cut adds man-hour, and rose cutter size commonly used is as shown in table 1 below.When general rose cutter is used on the three-dimensional lathe, can only accomplish the processing of the common facade on the workpiece.
Table 1
The negative angle of workpiece is meant: the side of workpiece and the angle between the upper surface are less than 90 °, and the angle that forms between side surface of workpiece and the face perpendicular to workpiece surface is the negative angle angle of workpiece.The workpiece of band negative angle face is common in the various diels, because there is the resilience surplus in the workpiece after the punching press, so diel generally all will be designed to the negative angle face adding man-hour each flange face.
When the three-dimensional lathe is wanted processing work negative angle face, can only workpiece be tilted to be fixed on the lathe by special fixture, and after required processing negative angle angle, just can process.Not only process is complicated, inefficiency, and need extra anchor clamps more to increase processing cost.
Add man-hour if hope the negative angle face of rapidly and efficiently accomplishing workpiece, just can only on five coordinate lathes, process.As everyone knows, the equipment cost of five coordinate lathes is very expensive, so cause the processing cost of workpiece also high.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of rose cutter to be used for the three-dimensional lathe the more shallow workpiece such as diel of profile fast, are efficiently carried out the negative angle method for processing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: a kind of rose cutter is used for the three-dimensional lathe and carries out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, L=tg α * h according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. select the rose cutter of corresponding size for use according to the L value, the bulb section diameter D of rose cutter satisfies 17.5%D >=L:
C. selected rose cutter is processed, is made the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L:
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
The further technical problem to be solved of the present invention is: provide a kind of and can make the wider rose cutter of the rose cutter scope of application after the processing be used for the three-dimensional lathe to carry out the negative angle method for processing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: a kind of rose cutter is used for the three-dimensional lathe and carries out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, L=tg α * h according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. select the rose cutter of corresponding size for use according to the L value, the bulb section diameter D of rose cutter need satisfy 17.5%D >=L >=7.5%D:
C. selected rose cutter is processed, make the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L, and d is rounded numerical value;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
The invention has the beneficial effects as follows: make its diameter less than the bulb diameter owing to the handle of a knife to rose cutter has carried out processing; Make the bulb part outwards outstanding than shank portion; Rose cutter after this processing can only depend on the setting of formula can process the negative angle workpiece on the three-dimensional lathe adaptable across the processing of the superficial workpiece such as diel of profile, does not need by the extra clamping location of carrying out of special fixture; Improve working (machining) efficiency greatly, reduced processing cost.
Because the working strength of the rose cutter after will guaranteeing to process; The generally unsuitable value of handle of a knife is less than 65% of bulb diameter; Because must satisfying (D-d)/2 >=L, the handle of a knife diameter dimension d after the processing could accomplish negative angle processing again to workpiece; So the bulb section diameter D of rose cutter need satisfy 17.5%D >=L, and make the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L, could make rose cutter after processing can satisfy to be used on the three-dimensional lathe workpiece is carried out the requirement that negative angle is processed; The working strength of the rose cutter after guaranteeing again to process is avoided handle of a knife because stressed excessive and damage.
Because the rose cutter of different size; After its diameter is dwindled in the processing that handle of a knife is carried out same ratio; The corresponding workpiece scope that can process that the bulb diameter is big more is big more; So select for use bulb section diameter D to satisfy the rose cutter of 17.5%D >=L >=7.5%D, can make the rose cutter scope of application after the processing wider.
Description of drawings
Fig. 1 is the structural representation of the workpiece 1 of required processing in the embodiment of the invention.
Fig. 2 is the structural representation of the workpiece 2 of required processing in the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
Embodiment 1, and a kind of rose cutter is used for the three-dimensional lathe workpiece as shown in Figure 1 is carried out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, h=tg6 ° of * 40=4.20mm of L=tg α * (round up, remain into 2 significant digits) according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. selecting specification for use according to the L value is the rose cutter of D30R15, the bulb section diameter D of rose cutter satisfy 17.5%D >=L >=7.5%D (17.5%D=5.25mm, 7.5%D=2.625mm);
C. selected rose cutter is processed, making handle of a knife diameter dimension d after the processing is integer value 20 (get bulb diameter about 70%), satisfies (D-d)/2 >=L;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
Embodiment 2, and a kind of rose cutter is used for the three-dimensional lathe workpiece as shown in Figure 1 is carried out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, h=tg6 ° of * 40=4.20mm of L=tg α * (round up, remain into 2 significant digits) according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. selecting specification for use according to the L value is the rose cutter of D40R20, the bulb section diameter D of rose cutter satisfy 17.5%D >=L >=7.5%D (17.5%D=7mm, 7.5%D=3.5mm);
C. selected rose cutter is processed, making handle of a knife diameter dimension d after the processing is integer value 28 (get bulb diameter 70%), satisfies (D-d)/2 >=L;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
Embodiment 4, and a kind of rose cutter is used for the three-dimensional lathe workpiece as shown in Figure 2 is carried out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, h=tg6 ° of * 60=6.31mm of L=tg α * (round up, remain into 2 significant digits) according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. selecting specification for use according to the L value is the rose cutter of D40R20, the bulb section diameter D of rose cutter satisfy 17.5%D >=L >=7.5%D (17.5%D=7mm, 7.5%D=3.5mm);
C. selected rose cutter is processed, making handle of a knife diameter dimension d after the processing is integer value 26 (get bulb diameter 65%), satisfies (D-d)/2 >=L;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
Visible by embodiment 1-3, when the specification of rose cutter different or processing back handle of a knife diameter value not simultaneously, the workpiece scope that can process (the maximum L value of workpiece) is difference also.
When the handle of a knife diameter d is all got 70% left and right sides of bulb diameter, select for use the maximum L value of the workpiece that the rose cutter of different size can process as shown in table 2.
Table 2
When selecting for use specification to be the rose cutter of D40R20, handle of a knife diameter d value not simultaneously, the maximum L value of the workpiece that can process is as shown in table 3.
Table 3
Can know by table 2 and table 3, the rose cutter of different size, after its diameter was dwindled in the processing that handle of a knife is carried out same ratio, the corresponding workpiece scope that can process that the bulb diameter is big more was big more; The rose cutter of same specification, the diameter after the handle of a knife processing is more little, and the workpiece scope that can process is big more.
But because the working strength of the rose cutter after will guaranteeing to process; The generally unsuitable value of handle of a knife is less than 65% of bulb diameter; Because must satisfying (D-d)/2 >=L, the handle of a knife diameter dimension d after the processing could accomplish negative angle processing again to workpiece, thus generally select for use bulb section diameter D to satisfy the rose cutter of 17.5%D >=L >=7.5%D, and make the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L; The working strength of the rose cutter after can guaranteeing to process; Avoid handle of a knife because stressed excessive and damage, can make the rose cutter handle of a knife diameter after the processing less again, make the rose cutter scope of application after the processing wider.
When selecting for use specification to be the rose cutter of D30R15, the handle of a knife diameter d gets 20 when (bulb diameter about 70%), and the degree of depth h and the negative angle angle [alpha] of the workpiece that can process are as shown in table 4.
The degree of depth h of the workpiece of processing Can processing work maximum negative angle angle [alpha]
10 26.57°
l5 18.43°
20 14.04°
25 11.31°
30 9.46°
35 8.13°
40 7.13°
45 6.34°
50 5.71°
Table 4
Can be known by table 4 to receive the size restrictions of rose cutter own, this rose cutter is used for the three-dimensional lathe workpiece is carried out the processing that the negative angle method for processing is applicable to the workpiece such as diel that profile is superficial more.
Select the rose cutter of D40R20 or D30R15 during use for use, the handle of a knife diameter d is machined to about 70% of bulb diameter uses, can better adapt to the workpiece processing of different size.
Owing to having carried out processing, the handle of a knife to rose cutter make its diameter less than the bulb diameter; Make the bulb part outwards outstanding than shank portion; Rose cutter after this processing can only depend on the setting of formula can process the negative angle workpiece on the three-dimensional lathe adaptable across the processing of the superficial workpiece such as diel of profile, does not need by the extra clamping location of carrying out of special fixture; Improve working (machining) efficiency greatly, reduced processing cost.

Claims (2)

1. a rose cutter is used for the three-dimensional lathe and carries out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, L=tg α * h according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. select the rose cutter of corresponding size for use according to the L value, the bulb section diameter D of rose cutter need satisfy 17.5%D >=L;
C. selected rose cutter is processed, made the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
2. a kind of rose cutter as claimed in claim 1 is used for the three-dimensional lathe and carries out the negative angle method for processing, and step is:
A. calculate the horizontal range L at negative angle face bottom with the top of required processing, L=tg α * h according to the negative angle angle [alpha] of required processing work and the degree of depth h of required cutting;
B. select the rose cutter of corresponding size for use according to the L value, the bulb section diameter D of rose cutter need satisfy 17.5%D >=L >=7.5%D;
C. selected rose cutter is processed, made the handle of a knife diameter dimension d after the processing satisfy (D-d)/2 >=L;
D. the rose cutter after workpiece and the processing is installed in respectively on the three-dimensional lathe, workpiece is carried out negative angle processing get final product.
CN201210147121XA 2012-05-14 2012-05-14 Method for using ball-end milling cutter on three-dimensional machine tool to perform negative angle processing Pending CN102653014A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105903812A (en) * 2014-12-18 2016-08-31 安徽力源数控刃模具制造有限公司 Machining method for upper die tool bit of bending die with limiting function
CN109079424A (en) * 2018-08-23 2018-12-25 沈阳利源轨道交通装备有限公司 A kind of low-angle inclined hole processing technology

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008044038A (en) * 2006-08-11 2008-02-28 Osg Corp Ball endmill
CN101464676A (en) * 2009-01-08 2009-06-24 上海交通大学 System and method for part process feature detection in three-coordinate numerical control machining
CN101670465A (en) * 2009-09-30 2010-03-17 中国北车集团大连机车研究所有限公司 Method for machining round head blade of wind guide wheel of supercharger
CN101745669A (en) * 2009-12-17 2010-06-23 都江堰宁江宗汇精密小型蜗杆有限责任公司 Precision low-modulus worm processing method
CN102328127A (en) * 2011-09-22 2012-01-25 山东理工大学 Superfine tapered ball end milling cutter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008044038A (en) * 2006-08-11 2008-02-28 Osg Corp Ball endmill
CN101464676A (en) * 2009-01-08 2009-06-24 上海交通大学 System and method for part process feature detection in three-coordinate numerical control machining
CN101670465A (en) * 2009-09-30 2010-03-17 中国北车集团大连机车研究所有限公司 Method for machining round head blade of wind guide wheel of supercharger
CN101745669A (en) * 2009-12-17 2010-06-23 都江堰宁江宗汇精密小型蜗杆有限责任公司 Precision low-modulus worm processing method
CN102328127A (en) * 2011-09-22 2012-01-25 山东理工大学 Superfine tapered ball end milling cutter

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Title
毛翔等: "负角曲面三轴数控铣加工技术应用", 《金属加工(冷加工)》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105903812A (en) * 2014-12-18 2016-08-31 安徽力源数控刃模具制造有限公司 Machining method for upper die tool bit of bending die with limiting function
CN109079424A (en) * 2018-08-23 2018-12-25 沈阳利源轨道交通装备有限公司 A kind of low-angle inclined hole processing technology

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Application publication date: 20120905