CN114131438A - Small excircle machining process for flange plate type parts - Google Patents
Small excircle machining process for flange plate type parts Download PDFInfo
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- CN114131438A CN114131438A CN202111515383.2A CN202111515383A CN114131438A CN 114131438 A CN114131438 A CN 114131438A CN 202111515383 A CN202111515383 A CN 202111515383A CN 114131438 A CN114131438 A CN 114131438A
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- Prior art keywords
- grinding
- grinding wheel
- outer circle
- small outer
- small
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
Abstract
The invention relates to a small excircle processing technology of a flange part, which comprises the following steps: a. feeding flange plate parts; b. the narrow grinding wheel grinds the lower section of the small excircle; c. the narrow grinding wheel grinds the upper section of the small excircle; d. grinding the middle section of the small excircle by the narrow grinding wheel; e. the wide grinding wheel grinds the whole small outer circular surface. The invention solves the problem of low precision of the traditional brown corundum grinding wheel, adopts a method of mixing an ASA grinding wheel and the traditional brown corundum grinding wheel for use, firstly divides the small outer circumferential surface into three parts with equal width for coarse grinding, and then uniformly adopts the ASA grinding wheel for fine grinding, thereby shortening the whole grinding time, improving the working efficiency, and simultaneously avoiding overhigh heat productivity and part deformation caused by long-time large-area grinding.
Description
Technical Field
The invention relates to the technical field of flange small excircle machining, in particular to a small excircle machining process for flange parts.
Background
With the rapid development of the mechanical industry, the manufacturing industry deepens the quality index of roughness continuously, the expression of the roughness is more diversified, and the purpose is to describe the influence of different forms and formations of microscopic height fluctuation on the related functions of the product more pertinently. With the progress of the process, the market demands the surface of the workpiece more and more, and the surface of the workpiece has increased surface material rate requirements besides roughness. The surface roughness Rz or Ra of the ground traditional brown corundum grinding wheel cannot meet the high-precision requirement of parts, and a new grinding wheel and a new process substitute are required to be found.
Disclosure of Invention
The purpose of the invention is to provide a small outer circle machining process of a flange part in order to solve the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a small outer circle machining process of a flange part is characterized by comprising the following steps of: the processing technology comprises the following steps:
a. the flange plate type part is fed, the flange plate type part comprises two sections of cylinders, the diameter of the cylinder positioned above the flange plate type part is small, the diameter of the cylinder positioned below the flange plate type part is large, and the diameter of the cylinder positioned above the flange plate type part is large;
b. placing a lower cylinder of the flange plate part on a grinding plane, wherein the grinding plane is arranged on grinding equipment, and grinding the lower section of the small excircle by using a narrow grinding wheel, wherein the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, so that the grinding surface of the narrow grinding wheel is ensured to be tangent to the small excircle;
c. b, after the lower section of the small outer circle is ground, moving a narrow grinding wheel to grind the upper section of the small outer circle, wherein the grinding depth of the upper section of the small outer circle is the same as that of the lower section of the small outer circle, the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, the grinding surface of the narrow grinding wheel is ensured to be tangent to the small outer circle, and the middle section is reserved during machining;
d. after the upper section of the small outer circle in the step c is ground, moving a narrow grinding wheel to grind the middle section of the small outer circle, wherein the grinding depth of the middle section is the same as the depths of the upper section and the lower section of the small outer circle, and ensuring that the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part and the grinding surface of the narrow grinding wheel is tangent to the small outer circle;
e. and d, finishing the middle grinding of the small outer circle in the step d to form a primary flat surface, then moving out the narrow grinding wheel, grinding the whole small outer circle surface by using the wide grinding wheel, wherein the wheel shaft of the wide grinding wheel is parallel to the central shaft of the flange plate part, and ensuring that the grinding surface of the wide grinding wheel is tangent to the small outer circle.
Preferably, the narrow grinding wheel in b.c is a traditional brown corundum grinding wheel, the narrow grinding wheel in d is an ASA grinding wheel made of a new material, and the grinding surfaces of the two narrow grinding wheels are consistent in width.
Preferably, the wide grinding wheel in the step e is an ASA grinding wheel made of a new material.
Preferably, the width of the lower section of the small excircle, the width of the middle section of the small excircle and the width of the upper section of the small excircle are all kept consistent.
Preferably, the grinding depth of the lower section of the middle and small outer circle in the step b, the grinding depth of the upper section of the middle and small outer circle in the step c and the grinding depth of the middle section of the middle and small outer circle in the step d are kept consistent and are 0.15 mm-0.25 mm.
Preferably, a wide grinding wheel is adopted in the step e to grind the whole small excircle, and the grinding depth is 0.1 mm-0.15 mm.
In conclusion, the beneficial technical effects of the invention are as follows: the invention provides a brand-new processing technology for processing a small outer circle of a flange plate part, which solves the problem of low precision of grinding of the traditional brown corundum grinding wheel.
Drawings
FIG. 1 is a flow chart of a process of the present invention;
FIG. 2 is a schematic structural view of a machined flange-like part of the present invention;
FIG. 3 is a schematic process diagram of step b;
FIG. 4 is a schematic process diagram of step c;
FIG. 5 is a schematic view of a flange-like member forming an intermediate section;
FIG. 6 is a schematic process diagram of step d;
fig. 7 is a schematic process diagram of step e.
In the figure, 1, the upper section; 2. a middle section; 3. a lower section; 4. grinding the processing plane; 5. a narrow grinding wheel; 6. wide grinding wheel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention discloses a small excircle processing technology of flange parts, which is mainly applied to grinding wheel grinding of small excircles of flange parts and solves the problem of low precision of traditional brown corundum grinding wheel grinding.
The following is a description of the steps of the process of the present invention, with reference to fig. 2, including the following steps:
a. the flange plate type part is fed, the flange plate type part comprises two sections of cylinders, the diameter of the cylinder positioned above the flange plate type part is small, the diameter of the cylinder positioned below the flange plate type part is large, and the diameter of the cylinder positioned above the flange plate type part is large;
b. placing a lower cylinder of the flange plate part on a grinding plane, wherein the grinding plane is arranged on grinding equipment, and grinding the lower section of the small excircle by using a narrow grinding wheel, wherein the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, so that the grinding surface of the narrow grinding wheel is ensured to be tangent to the small excircle;
c. b, after the lower section of the small outer circle is ground, moving a narrow grinding wheel to grind the upper section of the small outer circle, wherein the grinding depth of the upper section of the small outer circle is the same as that of the lower section of the small outer circle, the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, the grinding surface of the narrow grinding wheel is ensured to be tangent to the small outer circle, and the middle section is reserved during machining;
d. after the upper section of the small outer circle in the step c is ground, moving a narrow grinding wheel to grind the middle section of the small outer circle, wherein the grinding depth of the middle section is the same as the depths of the upper section and the lower section of the small outer circle, and ensuring that the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part and the grinding surface of the narrow grinding wheel is tangent to the small outer circle;
e. and d, finishing the middle grinding of the small outer circle in the step d to form a primary flat surface, then moving out the narrow grinding wheel, grinding the whole small outer circle surface by using the wide grinding wheel, wherein the wheel shaft of the wide grinding wheel is parallel to the central shaft of the flange plate part, and ensuring that the grinding surface of the wide grinding wheel is tangent to the small outer circle.
The following is a detailed description of the respective steps:
referring to fig. 2-3, to ensure the precision of the overall machining, a grinding plane is first determined, and the grinding plane is used as a reference for the subsequent part mounting position and grinding depth.
Referring to fig. 3, in the specific step of step b, the flange part is fixed on the grinding plane, the end face of the flange part with the large diameter at the bottom is fixed on the grinding plane, the lower section of the small excircle is ground by using a narrow grinding wheel made of brown corundum, and the height of the lower section is one third of the height of the cylinder where the whole small excircle is located.
Referring to fig. 4, in the specific step of step c, after the grinding of the lower section of the small outer circle in step b is finished, the narrow grinding wheel made of brown corundum is moved to grind the upper section of the small outer circle, the grinding depth is the same as that of the lower section, the height of the upper section is one third of the height of the cylinder where the whole small outer circle is located, after the working procedure is finished, an annular bulge is formed in the middle of the small outer circle, and the middle section of the small outer circle is the specific structure shown in fig. 5.
Through the steps b and c, the narrow grinding wheel is adopted for grinding, so that on one hand, the grinding area is small, the grinding time is short, the efficiency is high, and on the other hand, the local deformation of parts caused by overhigh temperature due to large-area grinding is avoided; meanwhile, a traditional brown corundum grinding wheel is adopted, the method belongs to the coarse grinding in the first step, and the grinding time can be shortened; the upper and lower sections are ground to form a raised middle section.
Referring to fig. 6, in the specific step of step d, after the middle section is formed by the middle and small outer circles in step c, the narrow grinding wheel made of brown corundum is removed, the middle section of the small outer circle is ground by the narrow grinding wheel made of ASA, the grinding depth of the middle section is the same as that of the upper section and the lower section, the height of the middle section is also one third of that of the cylinder where the whole small outer circle is located, and after the working procedure is finished, the small outer circle surface forms a flat circumferential side surface.
Through step d, grinding is carried out by adopting the ASA grinding wheel in step d, the precision can be improved, meanwhile, the grinding part is in a convex ring shape, the grinding is convenient and good in effect, heat dissipation of two sides is facilitated, and the grinding time is shortened.
Referring to fig. 7, in step e, after the middle section is ground to form a flat peripheral surface, the ASA narrow grinding wheel is removed and the ASA wide grinding wheel is used to grind the entire outer peripheral surface.
And e, finally polishing the whole outer circumferential surface of the small outer circle through the step e, wherein the small outer circumferential surface is subjected to preliminary coarse grinding in the steps b, c and d, and at the moment, the grinding wheel made of ASA material is used for fine grinding, the grinding wheel is subjected to short-time shallow layer grinding to meet the precision requirement, and the problems of overhigh heat productivity and part deformation caused by long-time large-area grinding are also avoided.
In the example, the grinding depth of the lower section of the middle and small outer circle in the step b, the grinding depth of the upper section of the middle and small outer circle in the step c and the grinding depth of the middle section of the middle and small outer circle in the step d are kept consistent and are 0.15 mm, and the whole small outer circle is ground by using a wide grinding wheel in the step e, and the grinding depth is 0.1 mm.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A small outer circle machining process of a flange part is characterized by comprising the following steps of: the processing technology comprises the following steps:
a. the flange plate type part is fed, the flange plate type part comprises two sections of cylinders, the diameter of the cylinder positioned above the flange plate type part is small, the diameter of the cylinder positioned below the flange plate type part is large, and the diameter of the cylinder positioned above the flange plate type part is large;
b. placing a lower cylinder of the flange plate part on a grinding plane, wherein the grinding plane is arranged on grinding equipment, and grinding the lower section of the small excircle by using a narrow grinding wheel, wherein the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, so that the grinding surface of the narrow grinding wheel is ensured to be tangent to the small excircle;
c. b, after the lower section of the small outer circle is ground, moving a narrow grinding wheel to grind the upper section of the small outer circle, wherein the grinding depth of the upper section of the small outer circle is the same as that of the lower section of the small outer circle, the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part, the grinding surface of the narrow grinding wheel is ensured to be tangent to the small outer circle, and the middle section is reserved during machining;
d. after the upper section of the small outer circle in the step c is ground, moving a narrow grinding wheel to grind the middle section of the small outer circle, wherein the grinding depth of the middle section is the same as the depths of the upper section and the lower section of the small outer circle, and ensuring that the wheel shaft of the narrow grinding wheel is parallel to the central shaft of the flange plate part and the grinding surface of the narrow grinding wheel is tangent to the small outer circle;
e. and d, finishing the middle grinding of the small outer circle in the step d to form a primary flat surface, then moving out the narrow grinding wheel, grinding the whole small outer circle surface by using the wide grinding wheel, wherein the wheel shaft of the wide grinding wheel is parallel to the central shaft of the flange plate part, and ensuring that the grinding surface of the wide grinding wheel is tangent to the small outer circle.
2. The small outer circle machining process of the flange part according to claim 1, characterized in that: the narrow grinding wheel in b.c is a traditional brown corundum grinding wheel, the narrow grinding wheel in d is an ASA grinding wheel made of a new material, and the grinding surfaces of the two narrow grinding wheels are consistent in width.
3. The small outer circle machining process of the flange part according to claim 1, characterized in that: and the wide grinding wheel in the step e is an ASA grinding wheel made of a new material.
4. The small outer circle machining process of the flange part according to claim 1, characterized in that: the width of the lower section of the small excircle, the width of the middle section of the small excircle and the width of the upper section of the small excircle are all kept consistent.
5. The small outer circle machining process of the flange part according to claim 1, characterized in that: and the grinding depth of the lower section of the middle and small outer circle in the step b, the grinding depth of the upper section of the middle and small outer circle in the step c and the grinding depth of the middle section of the middle and small outer circle in the step d are kept consistent and are 0.15-0.25 mm.
6. The small outer circle machining process of the flange part according to claim 1, characterized in that: and e, grinding the whole small excircle by using a wide grinding wheel, wherein the grinding depth is 0.1-0.15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515383.2A CN114131438A (en) | 2021-12-13 | 2021-12-13 | Small excircle machining process for flange plate type parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515383.2A CN114131438A (en) | 2021-12-13 | 2021-12-13 | Small excircle machining process for flange plate type parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114131438A true CN114131438A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111515383.2A Withdrawn CN114131438A (en) | 2021-12-13 | 2021-12-13 | Small excircle machining process for flange plate type parts |
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| Country | Link |
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| CN (1) | CN114131438A (en) |
Citations (12)
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|---|---|---|---|---|
| JP2004066433A (en) * | 2002-08-09 | 2004-03-04 | Okamoto Machine Tool Works Ltd | Method of forming groove on work by grinding |
| CN101219522A (en) * | 2007-11-30 | 2008-07-16 | 洛阳轴研科技股份有限公司 | Method for abrasively processing flange bearing top circle and end plane |
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| CN204504920U (en) * | 2015-02-04 | 2015-07-29 | 北京国药龙立科技有限公司 | A kind of high speed tablet press middle punch plate upper surface grinding attachment |
| CN108381340A (en) * | 2018-05-04 | 2018-08-10 | 昆山日晟轴承有限公司 | A kind of asymmetric connecting shaft combination bearing, mill machining tool, mill processing method |
| CN109202383A (en) * | 2018-10-18 | 2019-01-15 | 贵州凯星液力传动机械有限公司 | A kind of manufacturing method of seriation connecting flange |
| CN109277885A (en) * | 2018-10-15 | 2019-01-29 | 哈尔滨理工大学 | A kind of method for grinding of tungsten carbide coating thin-walled guide tube |
| CN109531296A (en) * | 2018-12-10 | 2019-03-29 | 广州市敏嘉制造技术有限公司 | A kind of deep hole vertical multi-shaft grinding machine |
| CN209681932U (en) * | 2019-02-19 | 2019-11-26 | 株洲鸥洋机械有限公司 | A kind of cylindrical grinder device for facilitating switching grinding wheel |
| CN212122650U (en) * | 2020-05-20 | 2020-12-11 | 安吉圆磨机械科技有限公司 | Vertical and horizontal dual-purpose side upright column type circular truncated cone surface grinding machine |
-
2021
- 2021-12-13 CN CN202111515383.2A patent/CN114131438A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004066433A (en) * | 2002-08-09 | 2004-03-04 | Okamoto Machine Tool Works Ltd | Method of forming groove on work by grinding |
| CN101219522A (en) * | 2007-11-30 | 2008-07-16 | 洛阳轴研科技股份有限公司 | Method for abrasively processing flange bearing top circle and end plane |
| CN201755784U (en) * | 2010-07-29 | 2011-03-09 | 江苏万盛铸造有限公司 | Vertical machining center |
| CN103659493A (en) * | 2012-08-31 | 2014-03-26 | 自贡硬质合金有限责任公司 | Method for machining end face outer circle of step sleeve part |
| CN103551949A (en) * | 2013-09-30 | 2014-02-05 | 田欣利 | Method for machining outer circles of ceramics in squeezing manner by aid of edge cracking and horn effects |
| CN204504920U (en) * | 2015-02-04 | 2015-07-29 | 北京国药龙立科技有限公司 | A kind of high speed tablet press middle punch plate upper surface grinding attachment |
| CN108381340A (en) * | 2018-05-04 | 2018-08-10 | 昆山日晟轴承有限公司 | A kind of asymmetric connecting shaft combination bearing, mill machining tool, mill processing method |
| CN109277885A (en) * | 2018-10-15 | 2019-01-29 | 哈尔滨理工大学 | A kind of method for grinding of tungsten carbide coating thin-walled guide tube |
| CN109202383A (en) * | 2018-10-18 | 2019-01-15 | 贵州凯星液力传动机械有限公司 | A kind of manufacturing method of seriation connecting flange |
| CN109531296A (en) * | 2018-12-10 | 2019-03-29 | 广州市敏嘉制造技术有限公司 | A kind of deep hole vertical multi-shaft grinding machine |
| CN209681932U (en) * | 2019-02-19 | 2019-11-26 | 株洲鸥洋机械有限公司 | A kind of cylindrical grinder device for facilitating switching grinding wheel |
| CN212122650U (en) * | 2020-05-20 | 2020-12-11 | 安吉圆磨机械科技有限公司 | Vertical and horizontal dual-purpose side upright column type circular truncated cone surface grinding machine |
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Application publication date: 20220304 |