CN111085822A - Method for machining inner cavity of inner ball cage body - Google Patents
Method for machining inner cavity of inner ball cage body Download PDFInfo
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- CN111085822A CN111085822A CN201911049023.0A CN201911049023A CN111085822A CN 111085822 A CN111085822 A CN 111085822A CN 201911049023 A CN201911049023 A CN 201911049023A CN 111085822 A CN111085822 A CN 111085822A
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- processing
- cutter
- finished product
- machine tool
- ball cage
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
Abstract
The invention provides a method for machining an inner cavity of a body in an inner ball cage, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. The method for processing the inner cavity of the inner ball cage body comprises the following steps: A. preparing: a cylindrical body blank is reserved; B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining; C. secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape; D. and (5) processing an inner hole for three times. The inner cavity machining method of the inner ball cage middle body is high in stability.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a method for machining an inner cavity of a body in an inner ball cage.
Background
The inner ball cage comprises a cylindrical body, and two ends of the body are opened. In the existing industrial production operation, two working procedures are generally adopted for processing operation.
Specifically, the first step is rough machining, and the feed amount of the tool is relatively large and the speed is relatively high. The second process is finish machining, and the feeding amount of the cutter is small and the speed is low.
It can be seen that the cutting amount of the machining mode is relatively large, and the machining cost is relatively high. The machining accuracy is completely determined by the accuracy of the finish machining. Resulting in a relatively long overall processing time.
Disclosure of Invention
The invention aims to provide a method for processing an inner cavity of an inner ball cage body, which has high processing precision and short processing time and aims to solve the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a method for processing an inner cavity of a body in an inner ball cage, wherein the inner ball cage comprises a cylindrical body with openings at two ends, and the method is characterized by comprising the following steps:
A. preparing: a cylindrical body blank is reserved;
B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining;
C. secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape;
D. and (3) processing an inner hole for three times: and setting the corresponding position of the cutter according to the set cutting amount, then transversely feeding the cutter, and processing to obtain the straight-hole-shaped body.
The processing method creatively leads the cutter to synchronously feed in the transverse direction and the longitudinal direction in the primary inner hole processing and the secondary inner hole processing.
And after the secondary processing is finished, the body with two horn-mouth-shaped ends is obtained, and after the tertiary processing, the protruding structure in the body can be eliminated, so that the cylindrical body is obtained.
It can be seen that, the processing speed of the primary inner hole, the secondary inner hole and the tertiary inner hole in the operation process is high, and the processing precision can be effectively ensured after the tertiary inner hole is processed.
In the method for processing the inner cavity of the inner ball cage body, the transverse feeding speed of the cutter in the step B is 1-3 cm/10 s.
In the method for processing the inner cavity of the body in the inner ball cage, the longitudinal feeding speed of the cutter in the step B is 0.4-0.6 cm/10 s.
In the method for processing the inner cavity of the inner ball cage body, the transverse feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
In the method for processing the inner cavity of the inner ball cage body, the longitudinal feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
In the method for processing the inner cavity of the body in the inner ball cage, the inner port and the outer port of the body are chamfered after the step D.
In the method for processing the inner cavity of the body in the inner ball cage, the inner port and the outer port of the body are subjected to fillet processing after the step D.
Compared with the prior art, the inner cavity machining method of the inner ball cage body is used for machining the inner hole of the body blank in three steps, the machining speed of the inner hole in three times is high, and the machining efficiency is effectively improved.
Meanwhile, the cutting amount of the three-time inner hole machining is small, so that the machining cost is low and the machining precision is high.
Detailed Description
Example one
The inner ball cage comprises a cylindrical body with openings at two ends, and the inner cavity processing method of the body in the inner ball cage comprises the following steps:
A. preparing: a cylindrical body blank is reserved;
B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining;
and the transverse feeding speed of the cutter in the step B is 1 cm/10 seconds.
And the longitudinal feeding speed of the cutter in the step B is 0.4 cm/10 seconds.
C. Secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape;
the transverse feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
The longitudinal feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
D. And (3) processing an inner hole for three times: and setting the corresponding position of the cutter according to the set cutting amount, then transversely feeding the cutter, and processing to obtain the straight-hole-shaped body.
And D, chamfering the inner port and the outer port of the body. According to practical situations, it is also feasible to perform fillet treatment on the inner port and the outer port of the body after the step D.
The processing method creatively leads the cutter to synchronously feed in the transverse direction and the longitudinal direction in the primary inner hole processing and the secondary inner hole processing.
And after the secondary processing is finished, the body with two horn-mouth-shaped ends is obtained, and after the tertiary processing, the protruding structure in the body can be eliminated, so that the cylindrical body is obtained.
It can be seen that, the processing speed of the primary inner hole, the secondary inner hole and the tertiary inner hole in the operation process is high, and the processing precision can be effectively ensured after the tertiary inner hole is processed.
Example two
The inner ball cage comprises a cylindrical body with openings at two ends, and the inner cavity processing method of the body in the inner ball cage comprises the following steps:
A. preparing: a cylindrical body blank is reserved;
B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining;
and the transverse feeding speed of the cutter in the step B is 3 cm/10 seconds.
And the longitudinal feeding speed of the cutter in the step B is 0.6 cm/10 seconds.
C. Secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape;
the transverse feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
The longitudinal feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
D. And (3) processing an inner hole for three times: and setting the corresponding position of the cutter according to the set cutting amount, then transversely feeding the cutter, and processing to obtain the straight-hole-shaped body.
And D, chamfering the inner port and the outer port of the body. According to practical situations, it is also feasible to perform fillet treatment on the inner port and the outer port of the body after the step D.
The processing method creatively leads the cutter to synchronously feed in the transverse direction and the longitudinal direction in the primary inner hole processing and the secondary inner hole processing.
And after the secondary processing is finished, the body with two horn-mouth-shaped ends is obtained, and after the tertiary processing, the protruding structure in the body can be eliminated, so that the cylindrical body is obtained.
It can be seen that, the processing speed of the primary inner hole, the secondary inner hole and the tertiary inner hole in the operation process is high, and the processing precision can be effectively ensured after the tertiary inner hole is processed.
EXAMPLE III
The inner ball cage comprises a cylindrical body with openings at two ends, and the inner cavity processing method of the body in the inner ball cage comprises the following steps:
A. preparing: a cylindrical body blank is reserved;
B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining;
and the transverse feeding speed of the cutter in the step B is 2 cm/10 seconds.
And the longitudinal feeding speed of the cutter in the step B is 0.5 cm/10 seconds.
C. Secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape;
the transverse feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
The longitudinal feeding speed of the cutter in the step C is the same as that of the cutter in the step B.
D. And (3) processing an inner hole for three times: and setting the corresponding position of the cutter according to the set cutting amount, then transversely feeding the cutter, and processing to obtain the straight-hole-shaped body.
And D, chamfering the inner port and the outer port of the body. According to practical situations, it is also feasible to perform fillet treatment on the inner port and the outer port of the body after the step D.
The processing method creatively leads the cutter to synchronously feed in the transverse direction and the longitudinal direction in the primary inner hole processing and the secondary inner hole processing.
And after the secondary processing is finished, the body with two horn-mouth-shaped ends is obtained, and after the tertiary processing, the protruding structure in the body can be eliminated, so that the cylindrical body is obtained.
It can be seen that, the processing speed of the primary inner hole, the secondary inner hole and the tertiary inner hole in the operation process is high, and the processing precision can be effectively ensured after the tertiary inner hole is processed.
Claims (7)
1. A method for processing an inner cavity of a body in an inner ball cage, wherein the inner ball cage comprises a cylindrical body with openings at two ends, and the method is characterized by comprising the following steps:
A. preparing: a cylindrical body blank is reserved;
B. primary inner hole processing: clamping the body blank on a chuck of a machine tool, enabling a cutter on the machine tool to enter from the end opening of the body, feeding the cutter longitudinally in the transverse feeding process, and forming a primary semi-finished product in a taper hole shape in the body after machining;
C. secondary inner hole processing: turning around the primary semi-finished product and clamping the primary semi-finished product on a chuck of a machine tool, wherein a cutter on the machine tool enters from the port of the body, the cutter is simultaneously fed longitudinally in the transverse feeding process, and two ends of the secondary semi-finished product obtained after processing are in a horn mouth shape;
D. and (3) processing an inner hole for three times: and setting the corresponding position of the cutter according to the set cutting amount, then transversely feeding the cutter, and processing to obtain the straight-hole-shaped body.
2. The method for machining the inner cavity of the inner ball cage body according to claim 1, wherein the infeed speed of the tool in the step B is 1-3 cm/10 sec.
3. The method as claimed in claim 2, wherein the longitudinal feeding speed of the tool in step B is 0.4-0.6 cm/10 s.
4. The method as claimed in claim 3, wherein the infeed speed of the tool in step C is the same as the infeed speed of the tool in step B.
5. The method as claimed in claim 4, wherein the longitudinal feeding speed of the tool in step C is the same as the longitudinal feeding speed of the tool in step B.
6. The method as claimed in claim 5, wherein said step D is followed by chamfering said inner and outer ports of said body.
7. The method as claimed in claim 5, wherein the inner port and the outer port are rounded after said step D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911049023.0A CN111085822B (en) | 2019-10-31 | 2019-10-31 | Method for machining inner cavity of inner ball cage body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911049023.0A CN111085822B (en) | 2019-10-31 | 2019-10-31 | Method for machining inner cavity of inner ball cage body |
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| CN111085822A true CN111085822A (en) | 2020-05-01 |
| CN111085822B CN111085822B (en) | 2021-05-18 |
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Citations (9)
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|---|---|---|---|---|
| US1870970A (en) * | 1930-03-07 | 1932-08-09 | Emsco Derrick And Equipment Co | Method of making blind cage sleeves with ball guide integral |
| JPH054128A (en) * | 1991-06-28 | 1993-01-14 | Ntn Corp | Hollow shaft processing method |
| US5649360A (en) * | 1993-06-18 | 1997-07-22 | Behr-Thomson Gmbh & Co. | Method of making a vent valve |
| WO2003100223A1 (en) * | 2002-05-28 | 2003-12-04 | Daimlerchrysler Ag | Method for producing a built valve having a hollow shank for reciprocating piston engines |
| WO2010092173A1 (en) * | 2009-02-16 | 2010-08-19 | Pnp Automotive Gmbh | Method for producing a cylindrical hollow body having a low wall thickness, in particular a hollow shaft |
| CN102974982A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Processing method of long sleeve deep hole for spinning |
| CN103433703A (en) * | 2013-08-16 | 2013-12-11 | 江苏森威精锻有限公司 | Machining process of long hollow shaft |
| CN105537625A (en) * | 2015-11-30 | 2016-05-04 | 陕西高华知本化工科技有限公司 | Deep hole processing method adopting common lathe |
| CN106346024A (en) * | 2016-11-16 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Common lathe deep hole machining method |
-
2019
- 2019-10-31 CN CN201911049023.0A patent/CN111085822B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1870970A (en) * | 1930-03-07 | 1932-08-09 | Emsco Derrick And Equipment Co | Method of making blind cage sleeves with ball guide integral |
| JPH054128A (en) * | 1991-06-28 | 1993-01-14 | Ntn Corp | Hollow shaft processing method |
| US5649360A (en) * | 1993-06-18 | 1997-07-22 | Behr-Thomson Gmbh & Co. | Method of making a vent valve |
| WO2003100223A1 (en) * | 2002-05-28 | 2003-12-04 | Daimlerchrysler Ag | Method for producing a built valve having a hollow shank for reciprocating piston engines |
| WO2010092173A1 (en) * | 2009-02-16 | 2010-08-19 | Pnp Automotive Gmbh | Method for producing a cylindrical hollow body having a low wall thickness, in particular a hollow shaft |
| CN102974982A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Processing method of long sleeve deep hole for spinning |
| CN103433703A (en) * | 2013-08-16 | 2013-12-11 | 江苏森威精锻有限公司 | Machining process of long hollow shaft |
| CN105537625A (en) * | 2015-11-30 | 2016-05-04 | 陕西高华知本化工科技有限公司 | Deep hole processing method adopting common lathe |
| CN106346024A (en) * | 2016-11-16 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Common lathe deep hole machining method |
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| 宋力宏，倪为国: "《金属工艺学实习教材》", 31 July 1999 * |
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