CN112792500A - Machining method for oil return groove of welding bearing seat - Google Patents
Machining method for oil return groove of welding bearing seat Download PDFInfo
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- CN112792500A CN112792500A CN202011250876.3A CN202011250876A CN112792500A CN 112792500 A CN112792500 A CN 112792500A CN 202011250876 A CN202011250876 A CN 202011250876A CN 112792500 A CN112792500 A CN 112792500A
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- oil return
- return groove
- processing
- bearing seat
- milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
一种焊接轴承座回油槽的加工方法，选用固定轴轮廓铣分区域加工的方法，固定轴轮廓铣分区零件大端面有15个2‑R和2‑R4.5相贯转接的回油槽，距深32.05mm，孔的直径6与槽宽7.5mm相切，型面复杂，容刀空间小，加工困难，面轮廓度要求0.4；以小端工艺边定位压紧，找正大端外圆和端面跳动不大于0.02，对于回油槽的加工，选用Φ5的合金铣刀和Φ5.5合金钻头，采用UG编程。本发明的优点：提高了焊接轴承座回油槽加工效率，保证了回油槽尺寸及技术条件术的设计要求，与传统加工方法相比效果显著，消除了人为上刀补及判断失误风险，提高了加工效率，杜绝质量隐患，其经济效益直接跟零件的价值成正比。
A method for processing an oil return groove of a welded bearing seat, which adopts the method of sub-regional processing by contour milling of a fixed shaft. The distance is 32.05mm deep, the diameter 6 of the hole is tangent to the groove width of 7.5mm, the profile is complex, the tool space is small, the machining is difficult, and the surface profile is required to be 0.4; The runout of the end face is not more than 0.02. For the processing of the oil return groove, a Φ5 alloy milling cutter and a Φ5.5 alloy drill bit are selected, and UG programming is used. The advantages of the invention are as follows: the processing efficiency of the oil return groove of the welded bearing seat is improved, the design requirements of the size and technical conditions of the oil return groove are guaranteed, the effect is remarkable compared with the traditional processing method, the risk of manual tool compensation and judgment error is eliminated, and the operation efficiency is improved. Processing efficiency and eliminating hidden dangers of quality, its economic benefits are directly proportional to the value of the parts.
Description
Technical Field
The invention relates to the field of machining, in particular to a machining method for an oil return groove of a welding bearing seat.
Background
GH4169 is adopted as a main material for welding a bearing seat part, 15 oil return grooves which are communicated and connected in a 2-R and 2-R4.5 mode are formed in the large end face of the part, the distance between the oil return grooves and the grooves is 32.05mm, the diameter 6 of each hole is tangent to the groove width of 7.5mm, the molded surface is complex, the cutter accommodating space is small, the machining is difficult, the surface profile degree is required to be 0.4 in the conventional machining method, a drill bit is adopted for direct machining, the machining is particularly difficult, and the design requirements cannot be met.
Disclosure of Invention
The invention aims to formulate a reasonable processing scheme, program the processing scheme to realize automatic tool calling, eliminate the risk of artificial tool feeding and judgment errors, improve the processing efficiency and eliminate the quality hidden trouble, and particularly provides a processing method for welding an oil return groove of a bearing seat.
The invention provides a method for processing an oil return groove of a welding bearing seat, which is characterized by comprising the following steps of: the processing method for the oil return groove of the welded bearing seat comprises the steps of formulating a processing scheme, programming to realize automatic tool calling, eliminating the risk of artificial tool feeding and judgment errors, processing the oil return groove, selecting a phi 4.5R1 alloy milling cutter, and selecting a method for processing a fixed shaft profile milling in different regions; the large end face of a fixed shaft contour milling partition part is provided with 15 oil return grooves which are communicated and connected with each other in a 2-R and 2-R4.5 mode, the distance between the oil return grooves and the depth is 32.05mm, the diameter 6 of a hole is tangent to the groove width 7.5mm, the profile is complex, the cutter accommodating space is small, the processing is difficult, and the surface contour degree requirement is 0.4;
the process method comprises the following steps: the small end process is used for positioning and pressing, the runout of the excircle and the end face of the large end is found to be not more than 0.02, for machining an oil return groove, a phi 5 alloy milling cutter and a phi 5.5 alloy drill bit are selected, UG programming is adopted, a fixed shaft profile milling and regional machining method is selected, and the size and the surface roughness are checked to meet the requirements after machining is completed.
The processing steps of the oil return groove are as follows:
(1) oil return groove socket (counter sinking platform)
(2) To oil return groove drill phi 5.5 holes
(3) Plunge milling oil return groove
(4) And (5) finely milling an oil return groove.
By formulating a reasonable processing scheme, programming realizes automatic cutter calling, eliminates the risk of manual tool feeding supplement and judgment error, processing an oil return groove, selecting a phi 4.5R1 alloy milling cutter, selecting a method for processing a fixed shaft profile milling in different regions, checking the size and the surface roughness after processing, meeting the requirements, improving the processing efficiency and avoiding the quality hidden trouble.
The invention has the advantages that:
the processing method of the oil return groove of the welding bearing seat improves the processing efficiency of the oil return groove of the welding bearing seat, ensures the size of the oil return groove and the design requirements of technical conditions, has obvious effect compared with the traditional processing method, eliminates the risk of manual tool feeding and judgment errors, improves the processing efficiency, eliminates the hidden quality danger, and has the economic benefit directly proportional to the value of parts.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic view of a scavenge groove;
fig. 2 is a schematic view of the direction of the oil return groove K.
Detailed Description
Example 1
The embodiment provides a processing method for an oil return groove of a welding bearing seat, which is characterized in that: the processing method for the oil return groove of the welded bearing seat comprises the steps of formulating a processing scheme, programming to realize automatic tool calling, eliminating the risk of artificial tool feeding and judgment errors, processing the oil return groove, selecting a phi 4.5R1 alloy milling cutter, and selecting a method for processing a fixed shaft profile milling in different regions; the large end face of a fixed shaft contour milling partition part is provided with 15 oil return grooves which are communicated and connected with each other in a 2-R and 2-R4.5 mode, the distance between the oil return grooves and the depth is 32.05mm, the diameter 6 of a hole is tangent to the groove width 7.5mm, the profile is complex, the cutter accommodating space is small, the processing is difficult, and the surface contour degree requirement is 0.4;
the process method comprises the following steps: the small end process is used for positioning and pressing, the runout of the excircle and the end face of the large end is found to be not more than 0.02, for machining an oil return groove, a phi 5 alloy milling cutter and a phi 5.5 alloy drill bit are selected, UG programming is adopted, a fixed shaft profile milling and regional machining method is selected, and the size and the surface roughness are checked to meet the requirements after machining is completed.
The processing steps of the oil return groove are as follows:
(1) oil return groove socket (counter sinking platform)
(2) To oil return groove drill phi 5.5 holes
(3) Plunge milling oil return groove
(4) And (5) finely milling an oil return groove.
Example 2
The embodiment provides a processing method for an oil return groove of a welding bearing seat, which is characterized in that: the processing method for the oil return groove of the welded bearing seat comprises the steps of formulating a processing scheme, programming to realize automatic tool calling, eliminating the risk of artificial tool feeding and judgment errors, processing the oil return groove, selecting a phi 4.5R1 alloy milling cutter, and selecting a method for processing a fixed shaft profile milling in different regions; the large end face of a fixed shaft contour milling partition part is provided with 15 oil return grooves which are communicated and connected with each other in a 2-R and 2-R4.5 mode, the distance between the oil return grooves and the depth is 32.05mm, the diameter 6 of a hole is tangent to the groove width 7.5mm, the profile is complex, the cutter accommodating space is small, the processing is difficult, and the surface contour degree requirement is 0.4;
the process method comprises the following steps: the small end process is used for positioning and pressing, the runout of the excircle and the end face of the large end is found to be not more than 0.02, for machining an oil return groove, a phi 5 alloy milling cutter and a phi 5.5 alloy drill bit are selected, UG programming is adopted, a fixed shaft profile milling and regional machining method is selected, and the size and the surface roughness are checked to meet the requirements after machining is completed.
By formulating a reasonable processing scheme, programming realizes automatic cutter calling, eliminates the risk of manual tool feeding supplement and judgment error, processing an oil return groove, selecting a phi 4.5R1 alloy milling cutter, selecting a method for processing a fixed shaft profile milling in different regions, checking the size and the surface roughness after processing, meeting the requirements, improving the processing efficiency and avoiding the quality hidden trouble.
Claims (3)
1. A machining method for an oil return groove of a welding bearing seat is characterized by comprising the following steps: the processing method of the oil return groove of the welding bearing seat comprises the steps of formulating a processing scheme, programming a program to realize automatic calling of a cutter, eliminating the risk of artificial cutter feeding and judgment errors, processing the oil return groove, and selecting a method for processing a fixed shaft contour milling in different regions; the large end face of a fixed shaft contour milling partition part is provided with 15 oil return grooves which are communicated and connected with each other in a 2-R and 2-R4.5 mode, the distance between the oil return grooves and the depth is 32.05mm, the diameter 6 of a hole is tangent to the groove width 7.5mm, the profile is complex, the cutter accommodating space is small, the processing is difficult, and the surface contour degree requirement is 0.4;
the process method comprises the following steps: and positioning and pressing the small-end process edge, aligning the outer circle of the large end and the end face to jump not more than 0.02, adopting UG programming for processing the oil return groove, selecting a method for processing the contour of the fixed shaft by areas by milling, and checking the size and the surface roughness to meet the requirements after the processing is finished.
2. The method for machining the oil return groove of the welded bearing seat according to claim 1, wherein the method comprises the following steps:
the processing steps of the oil return groove are as follows:
(1) oil return groove socket (counter sinking platform)
(2) To oil return groove drill phi 5.5 holes
(3) Plunge milling oil return groove
(4) And (5) finely milling an oil return groove.
3. The method for machining the oil return groove of the welded bearing seat according to claim 1, wherein the method comprises the following steps: and the oil return groove is processed by selecting a phi 5 alloy milling cutter and a phi 5.5 alloy drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250876.3A CN112792500A (en) | 2020-11-11 | 2020-11-11 | Machining method for oil return groove of welding bearing seat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250876.3A CN112792500A (en) | 2020-11-11 | 2020-11-11 | Machining method for oil return groove of welding bearing seat |
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| CN112792500A true CN112792500A (en) | 2021-05-14 |
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| CN202011250876.3A Pending CN112792500A (en) | 2020-11-11 | 2020-11-11 | Machining method for oil return groove of welding bearing seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415643A (en) * | 2023-11-13 | 2024-01-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Anti-vibration processing fixture and method for long overhang chute of titanium alloy bearing seat parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732489A (en) * | 1986-04-05 | 1988-03-22 | Nippon Thompson Co., Ltd. | Circulating type ball spline bearing |
| CN110394487A (en) * | 2019-07-30 | 2019-11-01 | 哈尔滨理工大学 | A hardened steel free-form test piece and milling process |
| CN110434413A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A processing method for axial and radial intersecting grooves inside a bearing seat |
| CN110936105A (en) * | 2019-09-29 | 2020-03-31 | 重庆江增船舶重工有限公司 | Processing method of axial anti-rotation bearing |
-
2020
- 2020-11-11 CN CN202011250876.3A patent/CN112792500A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732489A (en) * | 1986-04-05 | 1988-03-22 | Nippon Thompson Co., Ltd. | Circulating type ball spline bearing |
| CN110394487A (en) * | 2019-07-30 | 2019-11-01 | 哈尔滨理工大学 | A hardened steel free-form test piece and milling process |
| CN110434413A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A processing method for axial and radial intersecting grooves inside a bearing seat |
| CN110936105A (en) * | 2019-09-29 | 2020-03-31 | 重庆江增船舶重工有限公司 | Processing method of axial anti-rotation bearing |
Non-Patent Citations (2)
| Title |
|---|
| 刘升等: "浅谈轴承盖类零件表面毛刺的预防与修整", 《铁道机车车辆工人》 * |
| 葛晓健 等: "《UG NX8.5建模与加工项目式教程》", 31 January 2015, 华中科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117415643A (en) * | 2023-11-13 | 2024-01-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Anti-vibration processing fixture and method for long overhang chute of titanium alloy bearing seat parts |
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