CN104959791A - Precise lead screw machining technology - Google Patents
Precise lead screw machining technology Download PDFInfo
- Publication number
- CN104959791A CN104959791A CN201510393255.3A CN201510393255A CN104959791A CN 104959791 A CN104959791 A CN 104959791A CN 201510393255 A CN201510393255 A CN 201510393255A CN 104959791 A CN104959791 A CN 104959791A
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- carried out
- lead screw
- carry out
- screw mandrel
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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
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a precise lead screw machining technology. The precise lead screw machining technology includes the steps that 1, a to-be-machined lead screw is discharged and then straightened; 2, spheroidizing annealing is carried out on the straightened lead screw; 3, end face cutting is carried out on the lead screw obtained after spheroidizing annealing, and a center hole is drilled; 4, outer-circle and thread rough turning, and chamfering are carried out on the lead screw obtained after the center hole is drilled; 5, stress relieving annealing is carried out on the lead screw processed through the step 4; 6, outer-circle rough grinding, thread half finished turning and key groove milling are carried out; 7, quenching and tempering are carried out; 8, outer-circle and thread rough grinding is carried out; 9, low-temperature aging treatment is carried out; 10, pointed holes in the two ends are grinded; 11, outer-circle and thread finished grinding is carried out; 12, inspection and storage are carried out. The precise lead screw machining technology has the advantages of being reasonable in technological design and high in machining accuracy.
Description
Technical field
The present invention relates to screw mandrel processing technology field, particularly relate to a kind of accurate lead screw processing technology.
Background technology
Ball-screw is that gyration is converted into rectilinear motion, or be the desirable product of gyration by transform linear motion, ball-screw is the actuated element that machine tool and precision optical machinery the most often use, its major function converts rotary motion to linear movement, or change torque axis into axial repeated action power, have high accuracy, invertibity and high efficiency feature concurrently, owing to having very little frictional resistance, ball-screw is widely used in various industrial equipment and precision instrument simultaneously.
Ball-screw is made up of screw rod, nut, steel ball, pre-compressing tablet, reverser, dust excluder, its function is the motion that is in line by convert rotational motion, this is further extension and the development of Ai Kemu screw rod, and bearing is become scroll actions from sliding action by the significance of this development exactly.
In the prior art, screw mandrel is in the process of processing, and operation is simple, causes machining accuracy lower.
In sum, present inventor, in the process realizing invention technical scheme in the embodiment of the present application, finds that above-mentioned technology at least exists following technical problem:
In the prior art, there is the lower technical problem of machining accuracy in existing screw mandrel processing technology.
Summary of the invention
The invention provides a kind of accurate lead screw processing technology, solve existing screw mandrel processing technology and there is the lower technical problem of machining accuracy, achieve technological design reasonable, the technique effect that machining accuracy is higher.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of accurate lead screw processing technology, and described technique comprises:
Step 1: screw mandrel to be processed is carried out blanking, then carries out alignment process;
Step 2: the screw mandrel after alignment is carried out spheroidizing;
Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching;
Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered;
Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process;
Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process;
Step 7: carry out quenching, temper;
Step 8: carry out corase grind cylindrical and screw thread process;
Step 9: carry out low temperature aging process;
Step 10: carry out the pointed orifice process of grinding two ends;
Step 11: carry out fine cylindrical and screw thread process;
Step 12: test, store.
Further, described alignment adopts hot alignment method: during with hot alignment, first blank is heated to normalizing temperature, is incubated 45 min ~ 60min, then makes blank roll in three cylinders and carries out hot alignment.
Further, described spheroidizing is specially: by workpiece heat DEG C fully rear slow cooling of insulation to Ac1+30 ~ 50, or be incubated under being cooled to the temperature lower than Ac1 after heating.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
Owing to have employed accurate lead screw Design Processing as comprising: step 1: screw mandrel to be processed is carried out blanking, then carry out alignment process; Step 2: the screw mandrel after alignment is carried out spheroidizing; Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching; Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered; Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process; Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process; Step 7: carry out quenching, temper; Step 8: carry out corase grind cylindrical and screw thread process; Step 9: carry out low temperature aging process; Step 10: carry out the pointed orifice process of grinding two ends; Step 11: carry out fine cylindrical and screw thread process; Step 12: the technical scheme test, stored, so, efficiently solve existing screw mandrel processing technology and there is the lower technical problem of machining accuracy, and then it is reasonable to achieve technological design, the technique effect that machining accuracy is higher.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of accurate lead screw processing technology in the embodiment of the present application one.
Detailed description of the invention
The invention provides a kind of accurate lead screw processing technology, solve existing screw mandrel processing technology and there is the lower technical problem of machining accuracy, achieve technological design reasonable, the technique effect that machining accuracy is higher.
Technical scheme during the application implements is for solving the problems of the technologies described above.General thought is as follows:
Have employed accurate lead screw Design Processing as comprising: step 1: screw mandrel to be processed is carried out blanking, then carrying out alignment process; Step 2: the screw mandrel after alignment is carried out spheroidizing; Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching; Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered; Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process; Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process; Step 7: carry out quenching, temper; Step 8: carry out corase grind cylindrical and screw thread process; Step 9: carry out low temperature aging process; Step 10: carry out the pointed orifice process of grinding two ends; Step 11: carry out fine cylindrical and screw thread process; Step 12: the technical scheme test, stored, so, efficiently solve existing screw mandrel processing technology and there is the lower technical problem of machining accuracy, and then it is reasonable to achieve technological design, the technique effect that machining accuracy is higher.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment one:
In embodiment one, provide a kind of accurate lead screw processing technology, please refer to Fig. 1, described technique comprises:
Step 1: screw mandrel to be processed is carried out blanking, then carries out alignment process;
Step 2: the screw mandrel after alignment is carried out spheroidizing;
Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching;
Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered;
Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process;
Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process;
Step 7: carry out quenching, temper;
Step 8: carry out corase grind cylindrical and screw thread process;
Step 9: carry out low temperature aging process;
Step 10: carry out the pointed orifice process of grinding two ends;
Step 11: carry out fine cylindrical and screw thread process;
Step 12: test, store.
Wherein, in the embodiment of the present application, described alignment adopts hot alignment method: during with hot alignment, first blank is heated to normalizing temperature, is incubated 45 min ~ 60min, then makes blank roll in three cylinders and carries out hot alignment.
Wherein, in the embodiment of the present application, described spheroidizing is specially: by workpiece heat DEG C fully rear slow cooling of insulation to Ac1+30 ~ 50, or be incubated under being cooled to the temperature lower than Ac1 after heating.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
Owing to have employed accurate lead screw Design Processing as comprising: step 1: screw mandrel to be processed is carried out blanking, then carry out alignment process; Step 2: the screw mandrel after alignment is carried out spheroidizing; Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching; Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered; Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process; Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process; Step 7: carry out quenching, temper; Step 8: carry out corase grind cylindrical and screw thread process; Step 9: carry out low temperature aging process; Step 10: carry out the pointed orifice process of grinding two ends; Step 11: carry out fine cylindrical and screw thread process; Step 12: the technical scheme test, stored, so, efficiently solve existing screw mandrel processing technology and there is the lower technical problem of machining accuracy, and then it is reasonable to achieve technological design, the technique effect that machining accuracy is higher.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (3)
1. an accurate lead screw processing technology, is characterized in that, described technique comprises:
Step 1: screw mandrel to be processed is carried out blanking, then carries out alignment process;
Step 2: the screw mandrel after alignment is carried out spheroidizing;
Step 3: the screw mandrel after spheroidizing is carried out cutting end face, and pointed orifice of pinching;
Step 4: the screw mandrel after pointed orifice of pinching is carried out rough turn cylindrical and screw thread, chamfered;
Step 5: the screw mandrel after step 4 processes carries out stress relief annealing process;
Step 6: carry out corase grind cylindrical, half finish turning screw thread, keyseat process;
Step 7: carry out quenching, temper;
Step 8: carry out corase grind cylindrical and screw thread process;
Step 9: carry out low temperature aging process;
Step 10: carry out the pointed orifice process of grinding two ends;
Step 11: carry out fine cylindrical and screw thread process;
Step 12: test, store.
2. technique according to claim 1, is characterized in that, described alignment adopts hot alignment method: during with hot alignment, first blank is heated to normalizing temperature, is incubated 45 min ~ 60min, then makes blank roll in three cylinders and carries out hot alignment.
3. technique according to claim 1, is characterized in that, described spheroidizing is specially: by workpiece heat DEG C fully rear slow cooling of insulation to Ac1+30 ~ 50, or be incubated under being cooled to the temperature lower than Ac1 after heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393255.3A CN104959791A (en) | 2015-07-07 | 2015-07-07 | Precise lead screw machining technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393255.3A CN104959791A (en) | 2015-07-07 | 2015-07-07 | Precise lead screw machining technology |
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| CN104959791A true CN104959791A (en) | 2015-10-07 |
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| CN201510393255.3A Pending CN104959791A (en) | 2015-07-07 | 2015-07-07 | Precise lead screw machining technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000079A (en) * | 2017-12-27 | 2018-05-08 | 苏州欧鹏自动化设备有限公司 | A kind of processing technology of leading screw |
| CN108103292A (en) * | 2017-12-29 | 2018-06-01 | 苏州欧鹏自动化设备有限公司 | A kind of leading screw heat treatment process |
| CN109531358A (en) * | 2018-11-13 | 2019-03-29 | 苏州华亦扬传动科技有限公司 | Ball-screw processing technology, the outer rollaway nest grinding tool being related to and ball screw assembly, |
| CN109676331A (en) * | 2019-01-31 | 2019-04-26 | 安顺虹特滚珠丝杠有限责任公司 | A kind of processing method of the ball-screw with Multi-contact |
| 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 |
| CN112404906A (en) * | 2020-11-13 | 2021-02-26 | 海盐嘉海五金有限公司 | Double-rotation-direction thread long screw production line and production process thereof |
| CN113523739A (en) * | 2021-07-07 | 2021-10-22 | 丽水市宏锐轴承科技有限公司 | Machining process of ball screw |
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| CN101856781A (en) * | 2010-05-19 | 2010-10-13 | 常州大学 | Precision ball screw manufacturing method |
| CN102586572A (en) * | 2012-03-21 | 2012-07-18 | 山东博特精工股份有限公司 | Novel heat treatment process and processing method for trapezoidal screw machined by using non-quenched and tempered steel |
| JP2012154430A (en) * | 2011-01-26 | 2012-08-16 | Jtekt Corp | Ball screw device and method for manufacturing the same |
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| CN103993230A (en) * | 2014-01-14 | 2014-08-20 | 山东博特精工股份有限公司 | Steel material and processing technology for ball screw |
| CN104057267A (en) * | 2014-06-26 | 2014-09-24 | 无锡市崇安区科技创业服务中心 | Manufacturing process of CrWMn steel gear milling lathe lead screw |
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2015
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000079A (en) * | 2017-12-27 | 2018-05-08 | 苏州欧鹏自动化设备有限公司 | A kind of processing technology of leading screw |
| CN108103292A (en) * | 2017-12-29 | 2018-06-01 | 苏州欧鹏自动化设备有限公司 | A kind of leading screw heat treatment process |
| CN109531358A (en) * | 2018-11-13 | 2019-03-29 | 苏州华亦扬传动科技有限公司 | Ball-screw processing technology, the outer rollaway nest grinding tool being related to and ball screw assembly, |
| CN109531358B (en) * | 2018-11-13 | 2021-04-20 | 苏州华亦扬传动科技有限公司 | Ball screw processing technology, related outer raceway grinding tool and ball screw pair |
| CN109676331A (en) * | 2019-01-31 | 2019-04-26 | 安顺虹特滚珠丝杠有限责任公司 | A kind of processing method of the ball-screw with Multi-contact |
| CN112404906A (en) * | 2020-11-13 | 2021-02-26 | 海盐嘉海五金有限公司 | Double-rotation-direction thread long screw production line and production process thereof |
| CN112404906B (en) * | 2020-11-13 | 2022-01-04 | 海盐嘉海五金有限公司 | Double-rotation-direction thread long screw production line and production process thereof |
| 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 |
| CN113523739A (en) * | 2021-07-07 | 2021-10-22 | 丽水市宏锐轴承科技有限公司 | Machining process of ball screw |
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Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |