CN111230407B - Large-diameter conical sleeve machining process - Google Patents
Large-diameter conical sleeve machining process Download PDFInfo
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- CN111230407B CN111230407B CN201910904795.1A CN201910904795A CN111230407B CN 111230407 B CN111230407 B CN 111230407B CN 201910904795 A CN201910904795 A CN 201910904795A CN 111230407 B CN111230407 B CN 111230407B
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- conical sleeve
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- conical
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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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Abstract
The invention discloses a large-diameter conical sleeve processing technology, which comprises the following steps: (1) roughly turning the outer circle and the inner hole of the conical sleeve according to the drawing size on the premise of keeping the machining allowance; (2) carburizing and heat treating; (3) clamping the outer side wall of one end, close to the large-diameter hole end of the inner conical hole, of the conical sleeve on an outer-mounted chuck on a lathe for finish turning, wherein the machining starting end of the outer side wall of the conical sleeve starts machining from the outer side wall of the conical sleeve, the outer side wall of one end, close to the small-diameter hole end of the inner conical hole, of the conical sleeve is moved along the starting end to be machined from the starting end to the outer side wall of one end, close to the small-diameter hole end, of the conical sleeve; the whole conical sleeve can be cut and machined only by clamping twice, machining efficiency is greatly improved, and machining effect is guaranteed.
Description
The technical field is as follows:
the invention relates to the technical field of bearing processing equipment, in particular to a large-diameter conical sleeve processing technology.
Background art:
the existing conical sleeve processing procedure with the diameter larger than 150mm generally comprises the steps of clamping and fixing the outer side wall of the conical sleeve close to the large-diameter hole end of the inner conical hole, processing the outer side wall of the conical sleeve and the end surface of the opposite other end of the conical sleeve, and then processing a primary processing circular hole section 100 with the length of 5mm to 10mm on the inner side wall of the small-diameter hole end of the inner conical hole, as shown in fig. 1;
then, the conical sleeve is disassembled, the clamping head is changed into the built-in clamping head, the built-in clamping head clamps the circular hole section, then the inner side wall of the inner conical hole of the conical sleeve and the end surface and the outer side wall of one end of the clamping position before are machined, the conical sleeve is disassembled after the machining is finished, the clamping head is changed, the machined end is clamped on the outer side wall, the round hole section is machined into a fillet, the machining is troublesome, the frequency of changing the clamping head is high, and the efficiency is low.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a large-diameter conical sleeve processing technology, which can finish the cutting processing of the whole conical sleeve only by clamping twice, greatly improves the processing efficiency and ensures the processing effect.
The scheme for solving the technical problems is as follows:
a large-diameter conical sleeve processing technology is characterized by comprising the following steps:
(1) roughly turning the outer circle and the inner hole of the conical sleeve according to the drawing size on the premise of keeping the machining allowance;
(2) carburizing and heat treating;
(3) clamping the outer side wall of one end, close to the large-diameter hole end of the inner conical hole, of the conical sleeve on an outer-mounted chuck on a lathe for finish turning, wherein the machining starting end of the outer side wall of the conical sleeve starts machining from the outer side wall of the conical sleeve, the outer side wall of one end, close to the small-diameter hole end of the inner conical hole, of the conical sleeve is moved along the starting end to be machined from the starting end to the outer side wall of one end, close to the small-diameter hole end, of the conical sleeve;
(4) processing a fillet between the outer side wall and the end face of the conical sleeve at one end close to the small-diameter hole end;
(5) processing the end face of the conical sleeve;
(6) processing an inner fillet between the end face of the conical sleeve and the small-diameter hole end of the inner conical hole;
(7) processing an inner tapered hole of the conical sleeve, wherein the inner tapered hole starts to be processed from the small-diameter hole end of the inner tapered hole to the large-diameter hole end close to the inner tapered hole;
(8) taking down the conical sleeve processed in the step (7), pressing the end face of the conical sleeve against a backup plate of a lathe, wherein a chuck is arranged in the backup plate, and clamping heads formed on the outer side wall of the backup plate, wherein the inner fillet is clamped at the connecting end between the inner conical holes;
(9) processing by taking the wall surface of the internal taper hole processed in the step (7) as a starting point and taking the vicinity of one side of the starting point close to the end surface as a processing starting point, and processing the residual wall surface of the internal taper hole;
(10) processing a chamfer between the small-diameter end of the inner conical hole and the second end surface of the conical sleeve;
(11) processing a second end face;
(12) processing an outer fillet between the second end face and the outer side wall of the conical sleeve;
(13) and (4) processing the joint of the outer fillet and the outer side wall of the conical sleeve to the vicinity of one side close to the end surface at the starting end of the step (3).
The outer diameter of the conical sleeve is 150mm to 180 mm.
And (8) before processing, the externally-mounted chuck is detached, and the internally-mounted chuck is mounted.
The lathe is a numerical control lathe.
The invention has the following outstanding effects:
compared with the prior art, it carries out finish turning on the outer chuck of adorning on the lathe through the lateral wall centre gripping of the one end of the major diameter hole end that is close to inside bell mouth with the taper sleeve, accomplish first step, then, will adorn the chuck again and change into built-in chuck outward, press the terminal surface of taper sleeve on the backup plate of the built-in chuck of lathe, the centre gripping of the connecting end department of fillet between inside bell mouth will be interior to some centre gripping heads of shaping on the lateral wall of the backup plate of built-in chuck, process again, it only needs two steps can accomplish whole taper sleeve cutting process, its machining efficiency improves greatly, and is effectual.
Description of the drawings:
FIG. 1 is a schematic view of a portion of a circular hole segment machined in an original process of the present invention;
FIG. 2 is a schematic diagram of a proposed process step for machining a conical sleeve according to the invention;
FIG. 3 is a partial schematic view of the present invention clamped at an externally mounted cartridge;
FIG. 4 is a partial schematic view of the inventive clamping arrangement in a built-in cartridge.
The specific implementation mode is as follows:
an embodiment, as shown in fig. 2 to 4, is a large diameter conical sleeve processing technique, which is characterized by comprising the following steps:
(1) roughly turning the outer circle and the inner hole of the conical sleeve according to the drawing size on the premise of keeping the machining allowance;
(2) carburizing and heat treating;
(3) clamping the outer side wall of one end of the conical sleeve, which is close to the large-diameter hole end of the inner conical hole, on an external clamping head on a lathe for finish turning, wherein the machining starting end of the conical sleeve starts to machine from the outer side wall of the conical sleeve (namely, a serial number 1 at the left end of the conical sleeve shown in figure 2 is taken as a starting point), and moves to one end of the conical sleeve, which is close to the small-diameter hole end of the inner conical hole, along the starting end for machining, so that the outer side wall from the starting end to one end of the conical sleeve, which is close to the small-diameter hole end;
(4) processing a fillet 1a between the outer side wall and the end face of the conical sleeve at one end close to the small-diameter hole end;
(5) processing the end surface 2a of the conical sleeve;
(6) processing an inner fillet 3a between the end face 2a of the conical sleeve and the small-diameter hole end of the inner conical hole;
(7) processing an inner tapered hole of the conical sleeve, wherein the inner tapered hole starts to be processed from the small-diameter hole end of the inner tapered hole to the large-diameter hole end close to the inner tapered hole; this is the end point of completion as number 1 indicated at the right part of the cone sleeve of fig. 2;
(8) taking down the conical sleeve processed in the step (7), pressing the end face 2a of the conical sleeve against a backup plate 1b of a lathe, wherein a chuck is arranged in the backup plate 1b, and clamping the inner fillet 3a at the connecting end between the inner conical holes by a clamping head formed on the outer side wall of the backup plate 1 b;
(9) processing the wall surface of the internal taper hole which is processed in the step (7) as a starting point, and processing the part close to the end surface 2a of the starting point as a processing starting point (namely, processing the processed part close to the processing part which is processed in the step (7) as the right side serial number 2 of the taper sleeve shown in fig. 2 as the starting point), and processing the residual wall surface of the internal taper hole;
(10) processing a chamfer 4a between the small-diameter end of the inner conical hole and the second end surface 5a of the conical sleeve;
(11) machining the second end face 5 a;
(12) processing an external fillet 6a between the second end face 5a and the outer side wall of the conical sleeve;
(13) processing the joint of the outer fillet 6a and the outer side wall of the conical sleeve to the vicinity of one side of the starting end of the step (3) close to the end face 2 a; this is the end point of completion indicated by number 2 at the left end of the cone of figure 2.
(14) Artificial aging heat treatment;
(15) polishing and grinding;
(16) deburring;
(17) nondestructive flaw detection;
(18) and (5) carrying out comprehensive inspection.
Further, the outer diameter phi A of the conical sleeve is 150mm to 180 mm.
Further, before the processing in the step (8), the external cartridge is detached and the internal cartridge is attached.
Further, the lathe is a numerically controlled lathe.
In the illustration of fig. 2, the serial number 1 is the serial number 1 processed from the serial number 1 at the left end of the conical sleeve as the starting point to the serial number 1 at the right end of the conical sleeve; and the serial number 2 of the right end of the right conical sleeve is taken as the starting point when the serial number 2 is adopted, and the processing is carried out until the serial number 2 of the left end of the conical sleeve.
In the embodiment, the conical sleeve can be cut and machined in two steps by only replacing the chuck once, so that the machining efficiency is high and the effect is good.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (3)
1. A large-diameter conical sleeve processing technology is characterized by comprising the following steps:
(1) roughly turning the outer circle and the inner hole of the conical sleeve according to the drawing size on the premise of keeping the machining allowance;
(2) carburizing and heat treating;
(3) clamping the outer side wall of one end, close to the large-diameter hole end of the inner conical hole, of the conical sleeve on an outer-mounted chuck on a lathe for finish turning, wherein the machining starting end of the outer side wall of the conical sleeve starts machining from the outer side wall of the conical sleeve, the outer side wall of one end, close to the small-diameter hole end of the inner conical hole, of the conical sleeve is moved along the starting end to be machined from the starting end to the outer side wall of one end, close to the small-diameter hole end, of the conical sleeve;
(4) machining a fillet (1a) between the outer side wall and the end face of the conical sleeve at one end close to the small-diameter hole end;
(5) processing the end surface (2a) of the conical sleeve;
(6) processing an inner fillet (3a) between the end face (2a) of the conical sleeve and the small-diameter hole end of the inner conical hole;
(7) processing an inner tapered hole of the conical sleeve, wherein the inner tapered hole starts to be processed from the small-diameter hole end of the inner tapered hole to the large-diameter hole end close to the inner tapered hole;
(8) taking down the conical sleeve processed in the step (7), pressing the end face (2a) of the conical sleeve against a backup plate (1b) of a lathe, wherein a chuck is arranged in the backup plate (1b), and clamping heads are formed on the outer side wall of the backup plate (1b) with the chuck arranged in the lathe and used for clamping the inner fillet (3a) at the connecting end between the inner conical holes;
(9) processing the wall surface of the internal taper hole processed in the step (7) as a starting point, taking the vicinity of one side of the starting point close to the end surface (2a) as a processing starting point, and processing the residual wall surface of the internal taper hole;
(10) processing a chamfer (4a) between the small-diameter end of the inner conical hole and the second end surface (5a) of the conical sleeve;
(11) machining the second end face (5 a);
(12) processing an outer fillet (6a) between the second end face (5a) and the outer side wall of the conical sleeve;
(13) processing the joint of the outer fillet (6a) and the outer side wall of the conical sleeve to the vicinity of one side of the starting end of the step (3) close to the end surface (2 a);
the outer diameter (phi A) of the conical sleeve is 150mm to 180 mm.
2. The large-diameter conical sleeve processing technology according to claim 1, characterized in that: and (8) before processing, the externally-mounted chuck is detached, and the internally-mounted chuck is mounted.
3. The large-diameter conical sleeve processing technology according to claim 1, characterized in that: the lathe is a numerical control lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904795.1A CN111230407B (en) | 2019-09-24 | 2019-09-24 | Large-diameter conical sleeve machining process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904795.1A CN111230407B (en) | 2019-09-24 | 2019-09-24 | Large-diameter conical sleeve machining process |
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| Publication Number | Publication Date |
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| CN111230407A CN111230407A (en) | 2020-06-05 |
| CN111230407B true CN111230407B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910904795.1A Active CN111230407B (en) | 2019-09-24 | 2019-09-24 | Large-diameter conical sleeve machining process |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1351217A (en) * | 1970-04-08 | 1974-04-24 | Nadella | Bearing rings |
| US4102036A (en) * | 1976-09-17 | 1978-07-25 | Paul R. Briles | Method of installing a sleeve bolt in an opening |
| DE29716200U1 (en) * | 1997-09-09 | 1997-12-11 | Karl Mayer Textilmaschinenfabrik Gmbh, 63179 Obertshausen | Clamping device for the central clamping of a winding tube |
| JP2001187929A (en) * | 1999-12-28 | 2001-07-10 | Aisin Ai Co Ltd | Synchronizing mechanism for manual transmission |
| JP2009045699A (en) * | 2007-08-21 | 2009-03-05 | Toyota Motor Corp | Tube insertion device and tube insertion method |
| CN102091912A (en) * | 2010-12-17 | 2011-06-15 | 贵阳险峰机床有限责任公司 | Processing method of precise taper sleeve bearing bush |
| CN102152061A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing outer sleeve blanks |
| EP2394552A3 (en) * | 2010-06-08 | 2013-07-17 | Joseph Emmanuel Brown | Quick fitting toilet seat fixing |
| CN106624665A (en) * | 2017-02-28 | 2017-05-10 | 中航湖南通用航空发动机有限公司 | Gas turbine disc machining method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999225A (en) * | 2015-06-30 | 2015-10-28 | 柳州市邕达工配厂 | Bearing bush machining process |
| CN105150000A (en) * | 2015-07-21 | 2015-12-16 | 济南重工股份有限公司 | Machining tool and method for large thin-walled conical sleeve |
-
2019
- 2019-09-24 CN CN201910904795.1A patent/CN111230407B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1351217A (en) * | 1970-04-08 | 1974-04-24 | Nadella | Bearing rings |
| US4102036A (en) * | 1976-09-17 | 1978-07-25 | Paul R. Briles | Method of installing a sleeve bolt in an opening |
| DE29716200U1 (en) * | 1997-09-09 | 1997-12-11 | Karl Mayer Textilmaschinenfabrik Gmbh, 63179 Obertshausen | Clamping device for the central clamping of a winding tube |
| JP2001187929A (en) * | 1999-12-28 | 2001-07-10 | Aisin Ai Co Ltd | Synchronizing mechanism for manual transmission |
| JP2009045699A (en) * | 2007-08-21 | 2009-03-05 | Toyota Motor Corp | Tube insertion device and tube insertion method |
| EP2394552A3 (en) * | 2010-06-08 | 2013-07-17 | Joseph Emmanuel Brown | Quick fitting toilet seat fixing |
| CN102152061A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing outer sleeve blanks |
| CN102091912A (en) * | 2010-12-17 | 2011-06-15 | 贵阳险峰机床有限责任公司 | Processing method of precise taper sleeve bearing bush |
| CN106624665A (en) * | 2017-02-28 | 2017-05-10 | 中航湖南通用航空发动机有限公司 | Gas turbine disc machining method |
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| CN111230407A (en) | 2020-06-05 |
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