CN103264057B - The cold-drawn axle production technology utilizing ultrasonic wave to vibrate - Google Patents
The cold-drawn axle production technology utilizing ultrasonic wave to vibrate Download PDFInfo
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- CN103264057B CN103264057B CN201310199922.5A CN201310199922A CN103264057B CN 103264057 B CN103264057 B CN 103264057B CN 201310199922 A CN201310199922 A CN 201310199922A CN 103264057 B CN103264057 B CN 103264057B
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Abstract
The invention discloses a kind of cold-drawn axle production technology utilizing ultrasonic wave to vibrate, comprise following technological process: blanking → rough turn processing → heat treatment → finish turning processing → deburring → inspection → warehouse-in; It is characterized in that: between described deburring and described inspection, also comprise drawing deformation, described drawing deformation comprises the following steps: clean: the shaft member after deburring to be placed in loose coating solution and to soak, containing NaOH and sodium nitrate in described loose coating solution, carry out supersonic oscillations simultaneously, then clean up; Pickling: pickle is hydrochloric acid; Phosphatization; Saponification; Cold-drawn: on hydraulic pressure cold drawing machine, shaft member is drawn to required diameter and length.Owing to adding drawing deformation in production technology, adopt the loose coating solution containing NaOH and sodium nitrate also to carry out supersonic oscillations to clean simultaneously, the oxide layer on its surface is removed completely, so the shaft member of being produced by the present invention is organized finer and close, performance is more excellent, and geometric accuracy is higher.<!--1-->
Description
Technical field
The present invention relates to a kind of axle production technology, particularly relate to a kind of cold-drawn axle production technology utilizing ultrasonic wave to vibrate.
Background technology
Along with the progress of expanding economy and technology, the range of application of various axle is increasingly extensive, also more and more higher to the requirement of axle, in order to make axle in quality and the instructions for use quantitatively meeting every field, be both at home and abroad no matter the exploitation at new axle, or had in the renewal of producing equipment and technological innovation and develop fast.But compare with international most advanced level, Chinese shaft member is produced still has larger gap in technology, equipment, product quality.Traditional axle production technology, all based on Vehicle Processing, mainly comprise rough turn processing, heat treatment and finish turning processing, this technique can meet the demands in the application that requirement on machining accuracy is not very high, but has been difficult to adapt to market development in the application that required precision is very high.
Summary of the invention
Object of the present invention is just to provide a kind of cold-drawn axle production technology utilizing ultrasonic wave to vibrate to solve the problem.
In order to achieve the above object, present invention employs following technical scheme:
The cold-drawn axle production technology utilizing ultrasonic wave to vibrate of the present invention, comprises following technological process: blanking → rough turn processing → heat treatment → finish turning processing → deburring → inspection → warehouse-in; It is characterized in that: also comprise drawing deformation between described deburring and described inspection, described drawing deformation comprises the following steps:
(1) clean: the loose coating solution shaft member after deburring being placed in 55-70 DEG C soaks 1-2h, in described loose coating solution, often liter contains NaOH 300-400g and sodium nitrate 100-200g, carry out supersonic oscillations simultaneously, then move in the hot water of 40-50 DEG C and soak 10-20min, in the normal temperature clear water of 15-25 DEG C, soak 10-20min again, taking-up is rinsed well;
(2) pickling: the hydrochloric acid of pickle to be concentration be 15-20%, temperature is 15-25 DEG C, and soak time is 10-15h;
(3) phosphatization: General Acidity in Phosphating Solution 22-28 point, free acid 1.2-1.8 point, temperature 50-55 DEG C, soak time 10-15min;
(4) saponification: saponification liquor aliphatic acid > 60g/l, free acid < 3g/l, temperature 50-55 DEG C, soak time 10-15min;
(5) cold-drawn: on hydraulic pressure cold drawing machine, shaft member is drawn to required diameter and length.
Cold-drawing technology has been widely used in the production of stainless steel tube, but there is no application in the production of axle, and the present invention is according to the characteristic of cold-drawing technology, and the feature that combined axis is produced, design this technological process targetedly.
As preferably: in step (1), loose coating solution shaft member after deburring being placed in 58-65 DEG C soaks 1.2-1.8h, in described loose coating solution, often liter contains NaOH 320-380g and sodium nitrate 120-180g, carry out supersonic oscillations simultaneously, then move in the hot water of 42-48 DEG C and soak 12-18min, in normal temperature clear water, soak 12-18min again, taking-up is rinsed well; In step (2), the hydrochloric acid of pickle to be concentration be 16-18%, temperature is 18-22 DEG C, and soak time is 11-13h; In step (3), General Acidity in Phosphating Solution 23-26 point, free acid 1.3-1.6 point, temperature 51-53 DEG C, soak time 11-13min; In step (4), saponification liquor aliphatic acid > 65g/l, free acid < 2.5g/l, temperature 51-53 DEG C, soak time 11-13min.
Optimal selection the most, in step (1), loose coating solution shaft member after deburring being placed in 62 DEG C soaks 1.5h, in described loose coating solution, often liter contains NaOH 350g and sodium nitrate 150g, carry out supersonic oscillations simultaneously, then move in the hot water of 45 DEG C and soak 15min, then soak 15min in normal temperature clear water, taking-up is rinsed well; In step (2), pickle to be concentration be 17% hydrochloric acid, temperature is 20 DEG C, and soak time is 12h; In step (3), General Acidity in Phosphating Solution 25 point, free acid 1.5 point, temperature 52 DEG C, soak time 12min; In step (4), saponification liquor aliphatic acid > 68g/l, free acid < 2.2g/l, temperature 52 DEG C, soak time 12min.
Further, also ultrasonic examination is comprised between described inspection and described warehouse-in.
Beneficial effect of the present invention is:
Owing to adding drawing deformation in production technology, adopt the loose coating solution containing NaOH and sodium nitrate also to carry out supersonic oscillations to clean simultaneously, the oxide layer on its surface is removed completely, so the shaft member of being produced by the present invention is organized finer and close, performance is more excellent, and geometric accuracy is higher.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described in detail:
Production shaft member according to the following steps:
(1) blanking: according to the size cutting rod iron of shaft member to be processed;
(2) rough turn processing: rod iron is processed into required profile;
(3) heat treatment: utilize high temperature to carry out modifier treatment;
(4) finish turning processing: utilize car, mill, milling, pincers, driller's skill to process required screw thread, axis hole etc.;
(5) deburring: remove shaft member surface spikes; Above-mentioned steps (1)-(5) are common process;
(6) drawing deformation: comprise the following steps:
1. clean: the loose coating solution shaft member after deburring being placed in 55-70 DEG C soaks 1-2h, in described loose coating solution, often liter contains NaOH 300-400g and sodium nitrate 100-200g, carry out supersonic oscillations simultaneously, then move in the hot water of 40-50 DEG C and soak 10-20min, in the normal temperature clear water of 15-25 DEG C, soak 10-20min again, taking-up is rinsed well;
2. pickling: the hydrochloric acid of pickle to be concentration be 15-20%, temperature is 15-25 DEG C, and soak time is 10-15h;
3. phosphatization: General Acidity in Phosphating Solution 22-28 point, free acid 1.2-1.8 point, temperature 50-55 DEG C, soak time 10-15min;
4. saponification: saponification liquor aliphatic acid > 60g/l, free acid < 3g/l, temperature 50-55 DEG C, soak time 10-15min;
5. cold-drawn: on hydraulic pressure cold drawing machine, shaft member is drawn to required diameter and length;
(7) check: whether inspection is variantly between shaft member and design size real, and some words proceed drawing deformation process, until qualified;
(8) ultrasonic examination: by standard to shaft member by Zhi Jinhang ultrasonic examination, if find that there is substandard product, be then attributed to substandard products, do not put in storage, ensure warehouse-in whole shaft member be qualified products;
(9) put in storage.
In above-mentioned drawing deformation processing procedure, each parameter 1., 2., 3., 4. in step respectively concrete select as follows:
1. clean: the temperature 55 DEG C of loose coating solution, 58 DEG C, 62 DEG C, 65 DEG C or 70 DEG C, soak time 1h, 1.2h, 1.5h, 1.8h or 2h, containing NaOH 300g, 320g, 350g, 380g or 400g and sodium nitrate 100g, 120g, 150g, 180g or 200g in often liter of loose coating solution, hot water temperature 40 DEG C, 42 DEG C, 45 DEG C, 48 DEG C or 50 DEG C, soak time 10min, 12min, 15min, 18min or 20min in hot water, in normal temperature clear water, soak 10min, 12min, 15min, 18min or 20min, taking-up is rinsed well;
2. pickling: concentration of hydrochloric acid is 15%, 16%, 17%, 18% or 20%, temperature is 15 DEG C, 18 DEG C, 20 DEG C, 22 DEG C or 25 DEG C, and soak time is 10h, 11h, 12h, 13h or 15h;
3. phosphatization: General Acidity in Phosphating Solution 22 point, 23 points, 25 points, 26 or 28 points, free acid 1.2 point, 1.3 points, 1.5 points, 1.6 or 1.8 points, temperature 50 C, 51 DEG C, 52 DEG C, 53 DEG C or 55 DEG C, soak time 10min, 11min, 12min, 13min or 15min;
4. saponification: saponification liquor aliphatic acid > 60g/l, 65g/l or 68g/l, free acid < 3g/l, 2.5g/l or 2.2g/l, temperature 50 C, 51 DEG C, 52 DEG C, 53 DEG C or 55 DEG C, soak time 10min, 11min, 12min, 13min or 15min.
Above-mentioned each parameter 1., 2., 3., 4. in step also can select other numerical value in overall range, but optimal selection is as follows:
1. clean: the temperature of loose coating solution 62 DEG C, soak time 1.5h, containing NaOH 350g and sodium nitrate 150g in often liter of loose coating solution, hot water temperature 45 DEG C, soak time 15min in hot water, in normal temperature clear water, soak 15min, taking-up is rinsed well;
2. pickling: concentration of hydrochloric acid is 17%, temperature is 20 DEG C, and soak time is 12h;
3. phosphatization: General Acidity in Phosphating Solution 25 point, free acid 1.5 point, temperature 52 DEG C, soak time 12min;
4. saponification: saponification liquor aliphatic acid > 68g/l, free acid < 2.2g/l, temperature 52 DEG C, soak time 12min.
By the shaft member that above-mentioned (1)-(9) step obtains, meet the axle application of current high-precision requirement completely, as the production for wind-powered electricity generation quill shaft.
Claims (4)
1. the cold-drawn axle production technology utilizing ultrasonic wave to vibrate, comprises following technological process: blanking → rough turn processing → heat treatment → finish turning processing → deburring → inspection → warehouse-in; It is characterized in that: also comprise drawing deformation between described deburring and described inspection, described drawing deformation comprises the following steps:
(1) clean: the loose coating solution shaft member after deburring being placed in 55-70 DEG C soaks 1-2h, in described loose coating solution, often liter contains NaOH 300-400g and sodium nitrate 100-200g, carry out supersonic oscillations simultaneously, then move in the hot water of 40-50 DEG C and soak 10-20min, in the normal temperature clear water of 15-25 DEG C, soak 10-20min again, taking-up is rinsed well;
(2) pickling: the hydrochloric acid of pickle to be concentration be 15-20%, temperature is 15-25 DEG C, and soak time is 10-15h;
(3) phosphatization: General Acidity in Phosphating Solution 22-28 point, free acid 1.2-1.8 point, temperature 50-55 DEG C, soak time 10-15min;
(4) saponification: saponification liquor aliphatic acid > 60g/l, free acid < 3g/l, temperature 50-55 DEG C, soak time 10-15min;
(5) cold-drawn: on hydraulic pressure cold drawing machine, shaft member is drawn to required diameter and length.
2. the cold-drawn axle production technology utilizing ultrasonic wave to vibrate according to claim 1, it is characterized in that: in step (1), loose coating solution shaft member after deburring being placed in 58-65 DEG C soaks 1.2-1.8h, in described loose coating solution, often liter contains NaOH 320-380g and sodium nitrate 120-180g, carry out supersonic oscillations simultaneously, then move in the hot water of 42-48 DEG C and soak 12-18min, then soak 12-18min in normal temperature clear water, taking-up is rinsed well; In step (2), the hydrochloric acid of pickle to be concentration be 16-18%, temperature is 18-22 DEG C, and soak time is 11-13h; In step (3), General Acidity in Phosphating Solution 23-26 point, free acid 1.3-1.6 point, temperature 51-53 DEG C, soak time 11-13min; In step (4), saponification liquor aliphatic acid > 65g/l, free acid < 2.5g/l, temperature 51-53 DEG C, soak time 11-13min.
3. the cold-drawn axle production technology utilizing ultrasonic wave to vibrate according to claim 2, it is characterized in that: in step (1), loose coating solution shaft member after deburring being placed in 62 DEG C soaks 1.5h, in described loose coating solution, often liter contains NaOH 350g and sodium nitrate 150g, carry out supersonic oscillations simultaneously, then move in the hot water of 45 DEG C and soak 15min, then soak 15min in normal temperature clear water, taking-up is rinsed well; In step (2), pickle to be concentration be 17% hydrochloric acid, temperature is 20 DEG C, and soak time is 12h; In step (3), General Acidity in Phosphating Solution 25 point, free acid 1.5 point, temperature 52 DEG C, soak time 12min; In step (4), saponification liquor aliphatic acid > 68g/l, free acid < 2.2g/l, temperature 52 DEG C, soak time 12min.
4. the cold-drawn axle production technology utilizing ultrasonic wave to vibrate according to claim 1, is characterized in that: also comprise ultrasonic examination between described inspection and described warehouse-in.
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| CN107511406B (en) * | 2017-08-03 | 2018-11-09 | 慈溪市龙山汽配有限公司 | A kind of drawing process of wiper arm |
| CN110977350B (en) * | 2019-12-11 | 2020-12-11 | 常德市鼎城区正荣机械制造有限公司 | One-step forming machining method for machining outer circle of main arm mounting shaft |
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| US4304113A (en) * | 1979-09-07 | 1981-12-08 | Kawasaki Steel Corporation | Process of making plated wire for reinforcing rubber goods |
| JPH0796321A (en) * | 1993-09-28 | 1995-04-11 | Nikko Kinzoku Kk | Production of extremely fine silver-containing copper alloy wire |
| CN101670388B (en) * | 2009-09-24 | 2011-08-03 | 天津润德中天钢管有限公司 | Manufacturing process of cold-drawing seamless steel tube for vehicular wrapped gas cylinder |
| CN102059270A (en) * | 2009-11-16 | 2011-05-18 | 常熟市宏润精密钢管制造有限公司 | Method for producing multi-purpose deformed channel steel |
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