CN104690363A - Precise reamer for ferrite stainless steel thin-walled workpiece - Google Patents
Precise reamer for ferrite stainless steel thin-walled workpiece Download PDFInfo
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- CN104690363A CN104690363A CN201510061454.4A CN201510061454A CN104690363A CN 104690363 A CN104690363 A CN 104690363A CN 201510061454 A CN201510061454 A CN 201510061454A CN 104690363 A CN104690363 A CN 104690363A
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- cutting
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- reamer
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Abstract
The invention relates to a precise reamer for ferrite stainless steel thin-walled workpiece. Six cutting blades are distributed on the head of the precise reamer at uniform spaces, and junk slots are formed among the cutting blades; each cutting blade comprises a front guide awl and a cutting awl, the cutting awl is connected with the front guide awl, the front guide awl is positioned at the front end of the cutting awl and is a linear section, the cutting awl consists of a first circular arc section, a linear section and a second circular arc section, the first circular arc section, the linear section and the second circular arc section are sequentially connected, and the first circular arc section of the cutting awl is connected with the straight section of the front guide awl; the diameter of the head is d1, the radius of the first circular arc section of each cutting awl is (0.12-0.15)*d1, the length of the first circular arc section of each cutting awl is (0.05-0.1)*d1, an included angle between the linear section of each cutting awl and the circumference of the reamer is alpha within 3-20 degrees, the radius of the second circular arc section of each cutting awl is (0.12-0.15)*d1, and the length of the second circular arc section of each cutting awl is (0.02-0.08)*d1. According to the precise reamer for the ferrite stainless steel thin-walled workpiece, the strength of the cutting blades is improved due to the first circular arc sections of the cutting awls, the roughness of a to-be-machined surface is reduced due to the linear sections of the cutting awls, and due to the second circular arc sections of the cutting awls, the stress concentration is reduced, and the damage to a cutter is prevented.
Description
Technical field
The present invention relates to a kind of processing ferritic stainless steel thin-wall part precision cutting tool.
Background technology
Ferritic stainless steel is widely used in nitric acid, ammonium nitrate, vinylon produce in absorption tower, in heat exchanger and the part such as valve, pump.Its phosphorus content is low, and hardness is low, and plasticity is good, is adding man-hour, and particularly thin-wall part adds and easily produces vibrations man-hour, cutter produces built-up edge, and affects part to be processed surface roughness.
At present, domestic and international carbide-tipped reamer adopts linear cutting edge pattern mostly, and linear cutting edge pattern reamer, when processing precise part, exists following shortcoming:
1) existing wide-angle linear cutting edge pattern reamer, depth of cut is thicker, and roughness value in processed hole is reduced.
2) existing low-angle linear cutting edge pattern reamer, thickness of cutting is very thin, and when using cutting fluid, the cutting edge lubricated cannot cut workpiece, can only slide from the teeth outwards, and finished surface extrusion friction is aggravated, and the wearing and tearing of reamer strengthen.
3) existing linear cutting edge pattern reamer, intensity is low, and during cutting, especially process minor diameter thin wall part, easily shake, now very easily produce built-up edge, endoporus is expanded, bore area produces spiral goove.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, provide a kind of ferritic stainless steel thin-wall part accurate reamer.
Object of the present invention is achieved through the following technical solutions:
The accurate reamer of ferritic stainless steel thin-wall part, comprise the head be connected mutually successively, neck and shank, feature is: described head is arranged six cutting edges at equal intervals, chip area is provided with between cutting edge, the cutting cone that cutting edge comprises front starting taper and is connected mutually with it, front starting taper is positioned at cutting cone front end, front starting taper is straight line section, cutting cone is by the first arc section be connected successively, straightway and the second arc section are formed, first arc section of cutting cone is connected mutually with the straightway of front starting taper, head diameter is d1, the radius of the first arc section of cutting cone is the d1 of 0.12 ~ 0.15, length is the d1 of 0.05 ~ 0.1, the straightway of cutting cone and cutter week form angle α, angle α is 3 ° ~ 20 °, the radius of the second arc section of cutting cone is the d1 of 0.12 ~ 0.15, length is the d1 of 0.02 ~ 0.08.
Further, the above-mentioned accurate reamer of ferritic stainless steel thin-wall part, wherein, described front starting taper is be the straightway of 30 ° ~ 45 ° of angles with axis, and the length of straightway is the d1 of 0.02 ~ 0.06.
Further, the above-mentioned accurate reamer of ferritic stainless steel thin-wall part, wherein, described head diameter d1 is 4 ~ 12mm, and head length is the d1 of 1.5 ~ 2.
Further, the above-mentioned accurate reamer of ferritic stainless steel thin-wall part, wherein, described recess diameter is d2, d2=d1 ~ 0.05d1.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progress are mainly reflected in:
1. the profile (cutting cone) that cutting edge is shaping is made up of the first arc section, straightway and the second arc section, first arc section improves edge strength, straightway reduces surface to be machined roughness, and the second arc section is concentrated for reducing stress, prevents Cutting Tool Damage;
2. the design of reamer cutting portion is unique, and the arc section of cutting portion, strengthens the intensity of reamer, reduces in processing the possibility producing vibrations, decreases the wearing and tearing of cutter; The low-angle straightway of cutting edge, makes cutting layer thickness thinner, reduces the roughness of machined surface;
3. accurate reamer is when processing stainless steel precision component, and service life is longer, and can keep good workpiece surface roughness, is widely used in the ream of ferritic stainless steel minor diameter thin wall part.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: organigram of the present invention;
Fig. 2: the partial schematic diagram of head;
Fig. 3: the close-up schematic view of cutting edge.
Detailed description of the invention
As shown in Figure 1, the accurate reamer of ferritic stainless steel thin-wall part, comprise the head 1 be connected mutually successively, neck 2 and shank 3, as Fig. 2, head 1 is arranged six cutting edges 4 at equal intervals, chip area 5 is provided with between cutting edge 4, the cutting cone 7 that cutting edge 4 comprises front starting taper 6 and is connected mutually with it, front starting taper 6 is positioned at cutting cone 7 front end, head diameter is d1, as Fig. 3, front starting taper 6 is be the straightway of 30 ° ~ 45 ° of angles with axis, length is the d1 of 0.02 ~ 0.06, cutting cone 7 is by the first arc section 8 be connected successively, straightway 9 and the second arc section 10 are formed, first arc section 8 of cutting cone is connected mutually with the straightway of front starting taper 6, the radius of the first arc section 8 of cutting cone is the d1 of 0.12 ~ 0.15, length is the d1 of 0.05 ~ 0.1, enhance edge strength, the straightway 9 of cutting cone forms angle α with cutter week, angle α is 3 ° ~ 20 °, for reducing surface to be machined roughness.The radius of the second arc section 10 of cutting cone is the d1 of 0.12 ~ 0.15, and length is the d1 of 0.02 ~ 0.08, concentrating, preventing Cutting Tool Damage for reducing stress.
Head diameter d1 to be 4 ~ 12mm, head length L1 be 1.5 ~ 2 d1.Recess diameter is d2, d2=d1 ~ 0.05d1.Head 1 adds the length of neck 2, and namely L3-L1 design principle generally 5 ~ 10mm longer than the hole depth of part to be processed, prevents reamer from adding and interfere with part to be processed man-hour.Shank diameter is that d3, length L2 design according to standard DIN6535-HA.Cutter overall length L3 is the length sum of head 1, neck 2 and shank 3.
The shaping profile (cutting cone) of cutting edge is made up of the first arc section 8, straightway 9 and the second arc section 10, first arc section 8 improves edge strength, straightway 9 reduces surface to be machined roughness, and the second arc section 10 is concentrated for reducing stress, prevents Cutting Tool Damage.Circular arc can carry out corresponding adjustment according to tool diameter, part to be processed surface quality requirements and chipping allowance to straightway parameter.
In sum, the design of reamer cutting portion is unique, and cutting tip has one section to be designed to circular arc, strengthens the intensity of reamer, reduces in processing the possibility producing vibrations, decreases the wearing and tearing of cutter.Cutting edge is designed with low-angle straightway, makes cutting layer thickness thinner, reduces the roughness of machined surface.Accurate reamer is when processing stainless steel precision component, and service life is longer, and can keep good workpiece surface roughness; Be widely used in the ream of ferritic stainless steel minor diameter thin wall part.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. the accurate reamer of ferritic stainless steel thin-wall part, comprise the head be connected mutually successively, neck and shank, it is characterized in that: described head is arranged six cutting edges at equal intervals, chip area is provided with between cutting edge, the cutting cone that cutting edge comprises front starting taper and is connected mutually with it, front starting taper is positioned at cutting cone front end, front starting taper is a straightway, cutting cone is by the first arc section be connected successively, straightway and the second arc section are formed, first arc section of cutting cone is connected mutually with the straightway of front starting taper, head diameter is d1, the radius of the first arc section of cutting cone is the d1 of 0.12 ~ 0.15, length is the d1 of 0.05 ~ 0.1, the straightway of cutting cone and cutter week form angle α, angle α is 3 ° ~ 20 °, the radius of the second arc section of cutting cone is the d1 of 0.12 ~ 0.15, length is the d1 of 0.02 ~ 0.08.
2. the accurate reamer of ferritic stainless steel thin-wall part according to claim 1, is characterized in that: described front starting taper is be the straightway of 30 ° ~ 45 ° of angles with axis.
3. the accurate reamer of ferritic stainless steel thin-wall part according to claim 1 and 2, is characterized in that: the length of described front starting taper straightway is the d1 of 0.02 ~ 0.06.
4. the accurate reamer of ferritic stainless steel thin-wall part according to claim 1, it is characterized in that: described head diameter d1 is 4 ~ 12mm, head length is the d1 of 1.5 ~ 2.
5. the accurate reamer of ferritic stainless steel thin-wall part according to claim 1, is characterized in that: described recess diameter is d2, d2=d1 ~ 0.05d1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061454.4A CN104690363A (en) | 2015-02-05 | 2015-02-05 | Precise reamer for ferrite stainless steel thin-walled workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061454.4A CN104690363A (en) | 2015-02-05 | 2015-02-05 | Precise reamer for ferrite stainless steel thin-walled workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104690363A true CN104690363A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510061454.4A Pending CN104690363A (en) | 2015-02-05 | 2015-02-05 | Precise reamer for ferrite stainless steel thin-walled workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176896A (en) * | 2018-02-01 | 2018-06-19 | 苏州阿诺精密切削技术有限公司 | For the burnishing-in reamer of high-accuracy deep hole machining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176738A (en) * | 1998-12-11 | 2000-06-27 | Honda Motor Co Ltd | Cutting tool |
| CN2734391Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Single-edge reamer |
| CN201405135Y (en) * | 2009-05-05 | 2010-02-17 | 洛阳古城机械有限公司 | Flexible reamer used for processing starting motor components of automobile |
| CN202984824U (en) * | 2012-12-24 | 2013-06-12 | 亚狮精密刀具(苏州)有限公司 | Reamer |
| CN204397070U (en) * | 2015-02-05 | 2015-06-17 | 苏州阿诺精密切削技术股份有限公司 | The accurate reamer of ferritic stainless steel thin-wall part |
-
2015
- 2015-02-05 CN CN201510061454.4A patent/CN104690363A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176738A (en) * | 1998-12-11 | 2000-06-27 | Honda Motor Co Ltd | Cutting tool |
| CN2734391Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Single-edge reamer |
| CN201405135Y (en) * | 2009-05-05 | 2010-02-17 | 洛阳古城机械有限公司 | Flexible reamer used for processing starting motor components of automobile |
| CN202984824U (en) * | 2012-12-24 | 2013-06-12 | 亚狮精密刀具(苏州)有限公司 | Reamer |
| CN204397070U (en) * | 2015-02-05 | 2015-06-17 | 苏州阿诺精密切削技术股份有限公司 | The accurate reamer of ferritic stainless steel thin-wall part |
Non-Patent Citations (2)
| Title |
|---|
| 张树森: "《机械制造工程学》", 31 March 2001 * |
| 苏宏志: "《数控加工刀具及其选用技术》", 30 April 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176896A (en) * | 2018-02-01 | 2018-06-19 | 苏州阿诺精密切削技术有限公司 | For the burnishing-in reamer of high-accuracy deep hole machining |
| CN108176896B (en) * | 2018-02-01 | 2023-10-17 | 苏州阿诺精密切削技术有限公司 | Burnishing reamer for high-precision deep hole machining |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: Suzhou City, Jiangsu province 215021 Industrial Park Kuatang subarea Baoda Road No. 8 Applicant after: Suzhou Ahno Precision Cutting Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215021 Industrial Park Kuatang subarea Baoda Road No. 8 Applicant before: Suzhou Ahno Cutting Tool Technology Co., Ltd. |
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| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |
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| WD01 | Invention patent application deemed withdrawn after publication |