CN1765574A - Ball-screw prevents crooked method in machining - Google Patents
Ball-screw prevents crooked method in machining Download PDFInfo
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- CN1765574A CN1765574A CN 200510045138 CN200510045138A CN1765574A CN 1765574 A CN1765574 A CN 1765574A CN 200510045138 CN200510045138 CN 200510045138 CN 200510045138 A CN200510045138 A CN 200510045138A CN 1765574 A CN1765574 A CN 1765574A
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Abstract
A kind of ball-screw prevents crooked method in machining, this method is: the ball-screw series products will carry out Ageing Treatment before grinding, selects the good emery wheel of self-sharpening; In precision grinding process, roughly grind earlier, stay the surplus of 0.05-0.10mm then, the refine emery wheel finish grindes then again, and when emery wheel was installed, the radial clearance of grinding wheel spindle was less than or equals 0.03mm; Finial cone angle be 60 °+(1 °-3 °); Beating on lathe is less than 0.2mm before the workpiece processing, will make centre bore and oil storage hole on the workpiece, will clean out centre bore before processing, spreads lubricating grease; Cooling fluid is wanted the grinding area of abundant spray to emery wheel and workpiece; Rotating speed is 140-200 rev/min during the lathe grinding; Select rubber-like preload adjustable tailstock, use the said processing method of the present invention, can effectively prevent the bending of ball-screw in machining, improved product quality and operating efficiency.
Description
Technical field:
The invention belongs to the machining process of ball-screw, relate in particular to ball-screw and in machining, prevent crooked method.
Background technology:
The ball-screw product buckling phenomenon occurs through regular meeting in the cylindrical Grinding Process at present; therefore the product that processes does not reach the desired margin of tolerance of workpiece drawing; though can take the mode of alignment to reach requirement after the processing; bring unnecessary trouble can for processing work but give like this; increase workload, improved labour cost.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art part, provide a kind of ball-screw in machining, to prevent crooked method.
Ball-screw of the present invention prevents that in machining the concrete processing method of crooked method from being: (one), ball-screw series products will carry out Ageing Treatment before grinding, to eliminate internal stress.(2), to the requirement of lathe emery wheel, not influencing under the coarse situation in processing rear surface, select the good emery wheel of self-sharpening, thick crushing simultaneously; In precision grinding process, roughly grind earlier, stay the surplus of 0.05-0.10mm then, the refine emery wheel finish grindes then again, to guarantee the roughness on the working face; When emery wheel is installed, to pass through secondary balancing, be used for guaranteeing that emery wheel does not produce vibration in operation process, make it running steadily, the radial run-out of grinding wheel spindle front end and axial float deviation are 0.005-0.01mm, and the radial clearance that is to say grinding wheel spindle is less than or equals 0.03mm; The lathe headstock will turn round steadily, the friction phenomenon, and guide rail will work well, and does not have creeping phenomenon.(3), the top surface of grinding machine wants smooth no groove mark, finial cone angle be 60 °+(1 °-3 °).(4), the requirement of workpiece, beating on lathe is less than 0.2mm before the workpiece processing, will make centre bore and oil storage hole on the workpiece, centre bore is made the form in " B " type hole, and under the situation that drawing allows, it is dark big that oil storage hole is wanted, to guarantee location centering, centre bore will guarantee intact; Before processing, to clean out centre bore, spread lubricating grease.(5), the requirement of grinding coolant, cooling fluid is wanted the grinding area of abundant spray to emery wheel and workpiece.(6), the rotating speed of lathe, rotating speed is 140-200 rev/min during grinding.(7), grinding dosage, during grinding, the spark width of emery wheel below is the main spark of 1/3rd grinding wheel widths and the reconditioning spark of 2/3rds grinding wheel widths.(8), the selection of the pressure of tailstock centre: select rubber-like preload adjustable tailstock, guarantee the top workpiece centre hole that fully touches, avoided the flexural deformation that in grinding process, causes because of expanding with heat and contract with cold; Note in the process of processing the top and centre bore caused variations in temperature that rubs, if pressure will be in time adjusted in heating or hot sensation is arranged.(9), the adjustment of centre frame support: during cylindricalo grinding, support with open center rest, workpiece is supported by dewclaw and lower claw, will ceaselessly adjust the position that dewclaw and lower claw need in process, the position of workpiece axle center and lathe bus coincidence just.
Use the said processing method of the present invention, can effectively prevent the bending of ball-screw in machining, improved product quality and operating efficiency.
The specific embodiment:
Embodiment one:
(1), the ball-screw series products will carry out Ageing Treatment before grinding, to eliminate internal stress.(2), to the requirement of lathe emery wheel, not influencing under the coarse situation in processing rear surface, select the good emery wheel of self-sharpening, thick crushing simultaneously; In precision grinding process, roughly grind earlier, stay the surplus of 0.05mm then, the refine emery wheel finish grindes then again, to guarantee the roughness on the working face; When emery wheel is installed, to pass through secondary balancing, be used for guaranteeing that emery wheel does not produce vibration in operation process, make it running steadily, the radial run-out of grinding wheel spindle front end and axial float deviation are 0.005mm, and the radial clearance that is to say grinding wheel spindle is less than or equals 0.03mm; The lathe headstock will turn round steadily, the friction phenomenon, and guide rail will work well, and does not have creeping phenomenon.(3), the top surface of grinding machine wants smooth no groove mark, finial cone angle is 60 °+1 °.(4), the requirement of workpiece, beating on lathe is less than 0.2mm before the workpiece processing, will make centre bore and oil storage hole on the workpiece, centre bore is made the form in " B " type hole, and under the situation that drawing allows, it is dark big that oil storage hole is wanted, to guarantee location centering, centre bore will guarantee intact; Before processing, to clean out centre bore, spread lubricating grease.(5), the requirement of grinding coolant, cooling fluid is wanted the grinding area of abundant spray to emery wheel and workpiece.(6), the rotating speed of lathe, rotating speed is 140 rev/mins during grinding.(7), grinding dosage, during grinding, the spark width of emery wheel below is the main spark of 1/3rd grinding wheel widths and the reconditioning spark of 2/3rds grinding wheel widths.(8), the selection of the pressure of tailstock centre: select rubber-like preload adjustable tailstock, guarantee the top workpiece centre hole that fully touches, avoided the flexural deformation that in grinding process, causes because of expanding with heat and contract with cold; Note in the process of processing the top and centre bore caused variations in temperature that rubs, if pressure will be in time adjusted in heating or hot sensation is arranged.(9), the adjustment of centre frame support: during cylindricalo grinding, support with open center rest, workpiece is supported by dewclaw and lower claw, will ceaselessly adjust the position that dewclaw and lower claw need in process, the position of workpiece axle center and lathe bus coincidence just.
Use the said processing method of the present invention, can effectively prevent the bending of ball-screw in machining, improved product quality and operating efficiency.
Embodiment two:
(1), the ball-screw series products will carry out Ageing Treatment before grinding, to eliminate internal stress.(2), to the requirement of lathe emery wheel, not influencing under the coarse situation in processing rear surface, select the good emery wheel of self-sharpening, thick crushing simultaneously; In precision grinding process, roughly grind earlier, stay the surplus of 0.08mm then, the refine emery wheel finish grindes then again, to guarantee the roughness on the working face; When emery wheel is installed, to pass through secondary balancing, be used for guaranteeing that emery wheel does not produce vibration in operation process, make it running steadily, the radial run-out of grinding wheel spindle front end and axial float deviation are 0.008mm, and the radial clearance that is to say grinding wheel spindle is less than or equals 0.03mm; The lathe headstock will turn round steadily, the friction phenomenon, and guide rail will work well, and does not have creeping phenomenon.(3), the top surface of grinding machine wants smooth no groove mark, finial cone angle is 60 °+2 °.(4), the requirement of workpiece, beating on lathe is less than 0.2mm before the workpiece processing, will make centre bore and oil storage hole on the workpiece, centre bore is made the form in " B " type hole, and under the situation that drawing allows, it is dark big that oil storage hole is wanted, to guarantee location centering, centre bore will guarantee intact; Before processing, to clean out centre bore, spread lubricating grease.(5), the requirement of grinding coolant, cooling fluid is wanted the grinding area of abundant spray to emery wheel and workpiece.(6), the rotating speed of lathe, rotating speed is 170 rev/mins during grinding.(7), grinding dosage, during grinding, the spark width of emery wheel below is the main spark of 1/3rd grinding wheel widths and the reconditioning spark of 2/3rds grinding wheel widths.(8), the selection of the pressure of tailstock centre: select rubber-like preload adjustable tailstock, guarantee the top workpiece centre hole that fully touches, avoided the flexural deformation that in grinding process, causes because of expanding with heat and contract with cold; Note in the process of processing the top and centre bore caused variations in temperature that rubs, if pressure will be in time adjusted in heating or hot sensation is arranged.(9), the adjustment of centre frame support: during cylindricalo grinding, support with open center rest, workpiece is supported by dewclaw and lower claw, will ceaselessly adjust the position that dewclaw and lower claw need in process, the position of workpiece axle center and lathe bus coincidence just.
Use the said processing method of the present invention, can effectively prevent the bending of ball-screw in machining, improved product quality and operating efficiency.
Embodiment three:
(1), the ball-screw series products will carry out Ageing Treatment before grinding, to eliminate internal stress.(2), to the requirement of lathe emery wheel, not influencing under the coarse situation in processing rear surface, select the good emery wheel of self-sharpening, thick crushing simultaneously; In precision grinding process, roughly grind earlier, stay the surplus of 0.10mm then, the refine emery wheel finish grindes then again, to guarantee the roughness on the working face; When emery wheel is installed, to pass through secondary balancing, be used for guaranteeing that emery wheel does not produce vibration in operation process, make it running steadily, the radial run-out of grinding wheel spindle front end and axial float deviation are 0.01mm, and the radial clearance that is to say grinding wheel spindle is less than or equals 0.03mm; The lathe headstock will turn round steadily, the friction phenomenon, and guide rail will work well, and does not have creeping phenomenon.(3), the top surface of grinding machine wants smooth no groove mark, finial cone angle is 60 °+3 °.(4), the requirement of workpiece, beating on lathe is less than 0.2mm before the workpiece processing, will make centre bore and oil storage hole on the workpiece, centre bore is made the form in " B " type hole, and under the situation that drawing allows, it is dark big that oil storage hole is wanted, to guarantee location centering, centre bore will guarantee intact; Before processing, to clean out centre bore, spread lubricating grease.(5), the requirement of grinding coolant, cooling fluid is wanted the grinding area of abundant spray to emery wheel and workpiece.(6), the rotating speed of lathe, rotating speed is 200 rev/mins during grinding.(7), grinding dosage, during grinding, the spark width of emery wheel below is the main spark of 1/3rd grinding wheel widths and the reconditioning spark of 2/3rds grinding wheel widths.(8), the selection of the pressure of tailstock centre: select rubber-like preload adjustable tailstock, guarantee the top workpiece centre hole that fully touches, avoided the flexural deformation that in grinding process, causes because of expanding with heat and contract with cold; Note in the process of processing the top and centre bore caused variations in temperature that rubs, if pressure will be in time adjusted in heating or hot sensation is arranged.(9), the adjustment of centre frame support: during cylindricalo grinding, support with open center rest, workpiece is supported by dewclaw and lower claw, will ceaselessly adjust the position that dewclaw and lower claw need in process, the position of workpiece axle center and lathe bus coincidence just.
Use the said processing method of the present invention, can effectively prevent the bending of ball-screw in machining, improved product quality and operating efficiency.
Claims (3)
1, a kind of ball-screw prevents crooked method in machining, and it is characterized in that: (one), ball-screw series products will carry out Ageing Treatment before grinding; (2), when emery wheel is installed, the radial run-out of grinding wheel spindle front end and axial float deviation are 0.005-0.01mm, the radial clearance that is to say grinding wheel spindle is less than or equals 0.03mm; (3), the grinding machine finial cone angle be 60 °+(1 °-3 °); (4), beating on lathe before the workpiece processing less than 0.2mm, to make centre bore and oil storage hole on the workpiece, centre bore is made the form in " B " type hole; (5), grinding coolant is wanted the grinding area of abundant spray to emery wheel and workpiece; (6), rotating speed is 140-200 rev/min during the lathe grinding; (7), during grinding, the spark width of emery wheel below is the main spark of 1/3rd grinding wheel widths and the reconditioning spark of 2/3rds grinding wheel widths; (8), select rubber-like preload adjustable tailstock, guarantee the top workpiece centre hole that fully touches; (9), during cylindricalo grinding, support, workpiece is supported by dewclaw and lower claw, and workpiece axle center and lathe bus are in the position of coincidence in process with open center rest.
2, prevent crooked method according to the said a kind of ball-screw of claim 1 in machining, it is characterized in that: in precision grinding process, roughly grind earlier, stay the surplus of 0.05-0.10mm then, the refine emery wheel finish grindes then again.
3, in machining, prevent crooked method according to the said a kind of ball-screw of claim 1, it is characterized in that: before processing, will clean out centre bore, spread lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100451384A CN100413646C (en) | 2005-11-18 | 2005-11-18 | Bend prevention method of ball screw shaft in machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100451384A CN100413646C (en) | 2005-11-18 | 2005-11-18 | Bend prevention method of ball screw shaft in machining process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1765574A true CN1765574A (en) | 2006-05-03 |
| CN100413646C CN100413646C (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100451384A Expired - Fee Related CN100413646C (en) | 2005-11-18 | 2005-11-18 | Bend prevention method of ball screw shaft in machining process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239443B (en) * | 2007-02-09 | 2010-08-25 | 周瑞生 | High-efficiency processing grinding technique of high-hardness high-precision metal parts inner hole outer circularity |
| CN101541473B (en) * | 2007-02-28 | 2011-03-16 | 埃尔温容克尔机械制造有限公司 | Method for grinding a machine part, and grinding machine for carrying out said method |
| CN112372257A (en) * | 2020-12-02 | 2021-02-19 | 浙江凯亚德轴承制造有限公司 | Machining process of ball screw |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256211C (en) * | 2001-09-29 | 2006-05-17 | 张国梁 | Technology for manufacturing ballscrew gear |
| JP2005131760A (en) * | 2003-10-31 | 2005-05-26 | Koyo Seiko Co Ltd | Ball screw groove machining tool and ball screw groove machining method |
| JP4400226B2 (en) * | 2004-01-26 | 2010-01-20 | 株式会社ジェイテクト | Grinding method and grinding apparatus |
-
2005
- 2005-11-18 CN CNB2005100451384A patent/CN100413646C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239443B (en) * | 2007-02-09 | 2010-08-25 | 周瑞生 | High-efficiency processing grinding technique of high-hardness high-precision metal parts inner hole outer circularity |
| CN101541473B (en) * | 2007-02-28 | 2011-03-16 | 埃尔温容克尔机械制造有限公司 | Method for grinding a machine part, and grinding machine for carrying out said method |
| CN112372257A (en) * | 2020-12-02 | 2021-02-19 | 浙江凯亚德轴承制造有限公司 | Machining process of ball screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100413646C (en) | 2008-08-27 |
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