CN111014795A - Method for machining inner hole of chassis pipe fitting with inner hole diameter smaller than 14mm - Google Patents
Method for machining inner hole of chassis pipe fitting with inner hole diameter smaller than 14mm Download PDFInfo
- Publication number
- CN111014795A CN111014795A CN201911409301.9A CN201911409301A CN111014795A CN 111014795 A CN111014795 A CN 111014795A CN 201911409301 A CN201911409301 A CN 201911409301A CN 111014795 A CN111014795 A CN 111014795A
- Authority
- CN
- China
- Prior art keywords
- inner hole
- pipe fitting
- chassis pipe
- milling cutter
- lathe
- Prior art date
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title claims abstract description 16
- 238000003801 milling Methods 0.000 claims abstract description 27
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C7/00—Milling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
- B23C7/02—Milling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool to lathes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A chassis pipe fitting inner hole machining method with the inner hole diameter smaller than 14mm comprises the following steps: 1) fixing a chassis pipe fitting to be processed on a lathe spindle chuck of a lathe, and mounting a multi-edge milling cutter on a cutter holder of the lathe; 2) and starting the lathe to enable the spindle chuck to rotate at a fixed speed, and simultaneously controlling the multi-edge milling cutter to move towards the direction of the chassis pipe fitting at a certain feeding speed, wherein the milling cutter penetrates through the part to finish the milling processing of the inner hole of the chassis pipe fitting.
Description
Technical Field
The invention relates to the field of machining, in particular to a method for machining an inner hole of a chassis pipe fitting with the inner hole diameter smaller than 14 mm.
Background
In mechanical manufacturing and machining, chassis pipe fittings are common workpieces, the inner hole of the chassis pipe fitting is usually required to be machined, the machining method of the chassis pipe fitting with the inner hole diameter of less than 14mm is to machine the chassis pipe fitting on a lathe, and the conventional method is as follows: 1. drilling by using the drill hole with the diameter of the finished hole; 2. the boring cutter is used for boring, only 1-2 blades participate in cutting in the machining method, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the method for machining the inner hole of the chassis pipe fitting with the inner hole diameter smaller than 14 mm.
The purpose of the invention can be realized by the following technical scheme:
a chassis pipe fitting inner hole machining method with the inner hole diameter smaller than 14mm comprises the following steps:
1) fixing a chassis pipe fitting to be processed on a lathe spindle chuck of a lathe, and mounting a multi-edge milling cutter on a cutter holder of the lathe;
2) and starting the lathe to enable the spindle chuck to rotate at a fixed speed, and simultaneously controlling the multi-edge milling cutter to move towards the direction of the chassis pipe fitting at a certain feeding speed, wherein the milling cutter penetrates through the part to finish the milling processing of the inner hole of the chassis pipe fitting.
Preferably, the multi-edge milling cutter is a four-edge milling cutter.
Preferably, the feed speed of the multi-edge milling cutter is 800-1200 mm/min.
Preferably, the rotation speed of the spindle chuck is 2000-3000 r/min.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1) according to the invention, the conventional drill bit is replaced by the multi-edge milling cutter to process the chassis pipe fitting, so that the processing time can be effectively shortened, and the production efficiency can be increased.
Drawings
FIG. 1 is a schematic view of the method for machining the inner hole of the chassis pipe fitting with the inner hole diameter smaller than 14mm according to the invention;
wherein 1 is a main disc clamping shaft, 2 is a chassis pipe fitting, 3 is a multi-edge milling cutter, and 4 is a cutter holder.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
As shown in figure 1, the method for machining the inner hole of the chassis pipe fitting with the inner hole diameter smaller than 14mm comprises the following steps:
1) fixing a chassis pipe fitting to be processed on a lathe spindle chuck of a lathe, and mounting a multi-edge milling cutter on a cutter holder of the lathe;
2) and starting the lathe to enable the spindle chuck to rotate at a fixed speed, and simultaneously controlling the multi-edge milling cutter to move towards the direction of the chassis pipe fitting at a certain feeding speed, wherein the milling cutter penetrates through the part to finish the milling processing of the inner hole of the chassis pipe fitting.
The multi-edge milling cutter is a four-edge milling cutter.
The feed speed of the multi-edge milling cutter is 1000 mm/min.
Preferably, the rotation speed of the spindle chuck is 2500 r/min.
The length of a processed part hole is L, the rotating speed of a main shaft is S, and the cutting speed of each blade is f;
using conventional processing methods: the processing time is t1 ═ L/(S × (1-2) × F);
using the method of this embodiment: the processing time is t2 ═ L/(S × 4 × F);
from the above, the efficiency improvement factor of the method in the embodiment is 2 to 4 times n-t 1/t 2.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (4)
1. A chassis pipe fitting inner hole machining method with the inner hole diameter smaller than 14mm is characterized by comprising the following steps:
1) fixing a chassis pipe fitting to be processed on a lathe spindle chuck of a lathe, and mounting a multi-edge milling cutter on a cutter holder of the lathe;
2) and starting the lathe to enable the spindle chuck to rotate at a fixed speed, and simultaneously controlling the multi-edge milling cutter to move towards the direction of the chassis pipe fitting at a certain feeding speed, wherein the milling cutter penetrates through the part to finish the milling processing of the inner hole of the chassis pipe fitting.
2. A method for machining an inner hole of a chassis pipe fitting with an inner hole diameter smaller than 14mm according to claim 1, wherein the multi-edge milling cutter is a four-edge milling cutter.
3. The method for machining the inner hole of the chassis pipe fitting with the inner hole diameter smaller than 14mm according to claim 1, wherein the feed speed of the multi-edge milling cutter is 800-1200 mm/min.
4. The method for machining the inner hole of the chassis pipe fitting with the inner hole diameter smaller than 14mm according to claim 1, wherein the rotation speed of the spindle chuck is 2000-3000 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409301.9A CN111014795A (en) | 2019-12-31 | 2019-12-31 | Method for machining inner hole of chassis pipe fitting with inner hole diameter smaller than 14mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409301.9A CN111014795A (en) | 2019-12-31 | 2019-12-31 | Method for machining inner hole of chassis pipe fitting with inner hole diameter smaller than 14mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111014795A true CN111014795A (en) | 2020-04-17 |
Family
ID=70197518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911409301.9A Pending CN111014795A (en) | 2019-12-31 | 2019-12-31 | Method for machining inner hole of chassis pipe fitting with inner hole diameter smaller than 14mm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111014795A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7386362B1 (en) * | 2007-03-28 | 2008-06-10 | Tormach Llc | System for adopting a manual lathe for use with a computer controlled milling machine |
| CN201470914U (en) * | 2009-08-26 | 2010-05-19 | 湖南南方宇航工业有限公司 | Hole processing tool |
| CN203109328U (en) * | 2013-03-05 | 2013-08-07 | 王立波 | Sawblade milling cutter holder for numerically controlled lathe |
| WO2014068714A1 (en) * | 2012-10-31 | 2014-05-08 | 富士機械製造株式会社 | Workpiece machining device |
| CN103831633A (en) * | 2012-11-22 | 2014-06-04 | 南车长江车辆有限公司 | Cross hinge pin floating type reamer clamp |
| CN105312837A (en) * | 2014-06-06 | 2016-02-10 | 盐城世宏石油装备有限公司 | Whirl-wind cutting machining method of metal stator of screw pump |
| CN206763972U (en) * | 2017-05-26 | 2017-12-19 | 惠州市新鹏科技有限公司 | A kind of novel lathe |
-
2019
- 2019-12-31 CN CN201911409301.9A patent/CN111014795A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7386362B1 (en) * | 2007-03-28 | 2008-06-10 | Tormach Llc | System for adopting a manual lathe for use with a computer controlled milling machine |
| CN201470914U (en) * | 2009-08-26 | 2010-05-19 | 湖南南方宇航工业有限公司 | Hole processing tool |
| WO2014068714A1 (en) * | 2012-10-31 | 2014-05-08 | 富士機械製造株式会社 | Workpiece machining device |
| CN103831633A (en) * | 2012-11-22 | 2014-06-04 | 南车长江车辆有限公司 | Cross hinge pin floating type reamer clamp |
| CN203109328U (en) * | 2013-03-05 | 2013-08-07 | 王立波 | Sawblade milling cutter holder for numerically controlled lathe |
| CN105312837A (en) * | 2014-06-06 | 2016-02-10 | 盐城世宏石油装备有限公司 | Whirl-wind cutting machining method of metal stator of screw pump |
| CN206763972U (en) * | 2017-05-26 | 2017-12-19 | 惠州市新鹏科技有限公司 | A kind of novel lathe |
Non-Patent Citations (1)
| Title |
|---|
| 栾振涛: "《金工实习（2009年7月第1版）》", 31 July 2009, 中央广播电视大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |