CN104227355A - Production process of high-speed rotating press roll in high-speed winding head - Google Patents
Production process of high-speed rotating press roll in high-speed winding head Download PDFInfo
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- CN104227355A CN104227355A CN201410455756.5A CN201410455756A CN104227355A CN 104227355 A CN104227355 A CN 104227355A CN 201410455756 A CN201410455756 A CN 201410455756A CN 104227355 A CN104227355 A CN 104227355A
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- external diameter
- endoporus
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- spoke
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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
Abstract
The invention relates to a production process of a high-speed rotating press roll in a high-speed winding head. The production process comprises 1) roll body manufacturing process steps: normalizing a raw material, roughly turning outer diameter and an inner hole, initially destressing a semi-finished product, semi-finely turning the outer diameter and the inner hole, distressing the semi-finished product for a second time, finely turning the outer diameter and the inner hole, roughly grinding the outer diameter, and finely grinding a full-length inner hole and an orifice step; 2) spoke manufacturing process steps: normalizing a raw material, roughly turning outer diameter and an inner hole, tempering a semi-finished product, finely turning the inner hole and the outer diameter, and machining a left end surface threaded hole; 3) roll body and spoke assembling and post-machining manufacturing process steps: hot installing the spoke into the roller body, turning a spoke left end surface, chamfering, finely grinding the outer diameter, finely grinding a left end inner hole of the spoke, blasting sand to the outer diameter, plating chromium and conducting dynamic balancing.
Description
Technical field:
The present invention relates to the manufacturing process of the high-speed winding head member in a kind of polyamide fibre plant equipment, particularly a kind of high speed winding head high speed rotates the manufacturing process of " pressure roller ".
Background technology:
Winding head is the key equipment in extrusion spinning system, and tow becomes spinning cake by the High Rotation Speed of winding head with the final package of precise hard_drawn tuhes.Only have package become spinning cake after could be used for the use in rear road, and the quality of package spinning cake passes judgment on the standard of this winding head equipment quality.
Winding head is in the state of running up for a long time, and normal winding speed is between 4500 ~ 5000m/min, and the highest mechanical speed requires to reach 5500m/min, ensures that the reliability and stability in winding process is extremely important thus.
Winding head must meet high capacity and running friction in operation process, high-speed and continuous running less trouble, requirement such as automatic high speed handover success rate 100% grade, so must ensure the manufacturing dimension high accuracy of Chief rotary part, high concentricity, low deviation and dimensional reproducibility and dimensional uniformity.
The core component of winding head is " chuck axis light cover and black cover ", " pressure roller ", " groove rod " three large rotary part.
Wherein said pressure roller to be a kind of length be 1200 ?1800mm, diameter of phi 80 ?110mm, profile is the sleeve pipe shown in Fig. 3.
Summary of the invention:
The invention provides a kind of manufacturing processing technology of high speed winding head high speed rotating parts pressure roller, described pressure roller to be a kind of length be 1200 ?1800mm, external diameter Φ 80 ?110mm, profile is the slender casing shown in Fig. 3.
Pressure roller of the present invention is made up of " roll body " and " spoke " two parts, and wherein, " roll body " manufacturing process comprises the steps:
1, raw material normalizing
2, rough turn external diameter, endoporus
3, semi-finished product are destressing first
4, half finish turning external diameter, endoporus
5, the destressing of semi-finished product secondary
6, finish turning external diameter endoporus
7, corase grind external diameter
8, refine elongated endoporus and aperture step
Wherein, " spoke " manufacturing process comprises the steps:
9, raw material normalizing
10, rough turn external diameter, endoporus
11, semi-finished product are modified
12, finish turning endoporus, external diameter
13, processing left side screwed hole
Wherein, the assembling of " roll body " and " spoke " and process for machining and manufacturing comprise the steps:
14, spoke hot charging enters roll body
15, wheel spoke left side, chamfering
16, fine grinding external diameter
17, fine grinding spoke left end endoporus
18, external diameter sandblasting, chromium plating
19, dynamic balancing
Manufacturing process step of the present invention and effect as follows:
" roll body " manufacturing technology steps is as follows:
Step 1, raw material normalizing: temperature controls at 850-870 DEG C of scope, material final hardness within the scope of HB179-229;
Step 2, rough turn external diameter, endoporus: make elongated external diameter linearity≤0.1mm, external diameter coaxiality of inner hole≤0.1mm;
Step 3, semi-finished product are destressing first: technological temperature requires to control within the scope of 400-500 DEG C, is then incubated 2-4 hour, Air flow;
Step 4, half finish turning external diameter, endoporus: make external diameter linearity≤0.03mm; Endoporus and external diameter axiality≤0.03mm;
Step 5, semi-finished product secondary destressing: technological temperature requires to control within the scope of 400-500 DEG C, is then incubated 2-4 hour, Air flow;
Step 6, finish turning external diameter, endoporus: make external diameter linearity≤0.03mm; Endoporus and external diameter axiality≤0.03mm; External diameter and endoporus all stay within the scope of mill amount 0.2-0.3mm;
Step 7, corase grind external diameter: require external diameter linearity≤0.01mm; External diameter and coaxiality of inner hole≤0.03mm;
Step 8, refines elongated endoporus and aperture step: make external diameter and coaxiality of inner hole≤0.01mm, the elongated endoporus interface rounding off of two ends docking;
Spoke manufacturing process:
Step 9, raw material normalizing: heat treatment temperature controls 850-870 DEG C of scope, ensures that material final hardness is within the scope of HB179-229;
Step 10, rough turn external diameter, endoporus: reduce allowance, for following process provides benchmark;
Step 11, semi-finished product are modified: require hardening heat 840-860 DEG C, temperature 600-640 DEG C; The hardness of parts controls within the scope of HB250-280 the most at last;
Step 12, finish turning endoporus external diameter: make endoporus external diameter axiality≤0.01mm, left end endoporus stay mill measure 0.2 ?0.3mm;
Step 13, processing left side screwed hole: screwed hole is divided equally, center and external diameter axiality≤0.03mm.
The assembling of roll body and spoke and process for machining and manufacturing:
Step 14, spoke hot charging enters roll body: spoke is in place, require spoke interference fit 0.05 ?0.08mm;
Step 15, wheel spoke left side, chamfering: make spoke end face and roll body axis verticality≤0.01mm, two ends orifice chamfer and outside diameter of barrel axiality≤0.01mm;
Step 16, fine grinding external diameter: make external diameter linearity≤0.01mm, circularity≤0.01mm, cylindricity≤0.01mm, external diameter and coaxiality of inner hole≤0.01mm;
Step 17, fine grinding spoke left end endoporus: make spoke left end endoporus circularity 0.01mm, with external diameter axiality≤0.01mm;
Step 18, external diameter sandblasting, chromium plating: increase case hardness, change coefficient of friction.Require sandblasting, chromium coating even, sandblasting bed roughness Ra0.4 ?0.8, chromium coating roughness Ra≤0.4;
Step 19, dynamic balancing: 1000 ?3000r/min rotating speed with remove material form eliminate amount of unbalance, 8000 ?12000r/min rotating speed verification balance, require Mr≤3gmm.
According to manufacturing process of the present invention, the compacting roller technology parameter finally completed is as follows:
Pressure roller external diameter: Φ 80 ?Φ 110mm;
Pressure roller length: 1200 ?1800mm;
Spinning cake width: 70 ?150mm;
External diameter linearity: 0 ?0.01mm;
Outer diameter cylindrical degree: 0 ?0.01mm;
External diameter circularity: 0 ?0.01mm;
Endoporus and external diameter axiality: 0 ?0.01mm;
Overlay coating hardness: HV >=900;
Sandblasting bed roughness: Ra0.4 ?0.8
Chromium coating roughness: Ra≤0.4
Permanent speed: 10000 ?12000r/min;
Dynamic balancing: Mr≤3gmm;
The invention has the advantages that:
The present invention can better ensure the axiality requirement of pressure roller external diameter and endoporus, improves the dynamic balancing basis of " pressure roller " in all directions, farthest reduces the complete machine vibrations of winding head under technique runs well 4500 ~ 5000m/min; The present invention by three road heat treatment processes, ensures machining better, eliminates the stress of part generation in the fabrication process, reduces winding head in the process of running up due to probability that parts Stress Release deforms; Comprehensively above-mentioned 2 points, make the highest mechanical speed of winding head can reach 5500m/min, ensure continual and steady production.
Unexpected part of the present invention is:
As progressively improving the step 2 of the present invention of turning external diameter endoporus operation of machining accuracy, step 4, the step 3 of the present invention of step 6 and twice heat treatment destressing operation, step 5 intersect mutually, its role is to the internal stress that farthest cancellation front road turnery processing produces, improve the machining accuracy of parts of the present invention step by step, also improve the benchmark of subsequent processing operations simultaneously.Through repetition test, consider, the machining accuracy of pressure roller can significantly improve by step of the present invention completely, simultaneously reliably both economical again.
Accompanying drawing illustrates:
Fig. 1: roll body
Fig. 2: spoke
Fig. 3: pressure roller
Detailed description of the invention:
Further illustrate the present invention by the following examples, but not as limitation of the present invention.
Embodiment: it is as follows that Φ 110 × 1380mm pressure roller of the present invention manufactures concrete steps:
" roll body " of the present invention manufacturing process concrete steps are as follows:
Step 1, the normalizing of raw material normalizing: Φ 120/ Φ 80X long 1400mm hollow material, temperature 860 DEG C, after normalizing, hardness is at HB205;
Step 2, rough turn external diameter, endoporus: elongated external diameter linearity 0.08mm, external diameter coaxiality of inner hole 0.08mm;
Step 3, semi-finished product are destressing first: temperature 450 DEG C, is then incubated 2-4 hour, Air flow;
Step 4, half finish turning external diameter, endoporus: external diameter linearity 0.03mm; Endoporus and external diameter axiality 0.03mm;
Step 5, semi-finished product secondary destressing: temperature 450 DEG C, insulation 2-4 hour, Air flow;
Step 6, finish turning external diameter, endoporus: external diameter linearity 0.03mm; Endoporus and external diameter axiality 0.03mm; External diameter and endoporus all stay mill amount 0.2mm;
Step 7, corase grind external diameter: require external diameter linearity 0.01mm; External diameter and coaxiality of inner hole 0.03mm;
Step 8, refines elongated endoporus and aperture step: external diameter and coaxiality of inner hole 0.01mm, the elongated endoporus interface rounding off of two ends docking.
" spoke " of the present invention manufacturing process concrete steps are as follows:
Step 9, raw material normalizing: normalizing temperature 860 DEG C, final hardness HB185;
Step 10, rough turn external diameter, endoporus: rough turn external diameter, bore endoporus and get through, hold endoporus, finally determine overall length about turning;
Step 11, semi-finished product are modified: hardening heat 850 DEG C, temperature 620 DEG C; The modified rear hardness HB270 of parts;
Step 12, finish turning endoporus external diameter: endoporus and external diameter axiality 0.01mm; External diameter and endoporus all stay mill amount 0.3mm;
Step 13, processing left side screwed hole: with the processing of external diameter location, screwed hole center and external diameter axiality 0.03mm.
The assembly technology of roll body and spoke and process for machining and manufacturing flow process, concrete steps are as follows:
Step 14, spoke hot charging enters roll body: two ends, roll body left and right are heated to 200 DEG C, and loaded by spoke in roll body endoporus, spoke interference fit 0.06mm, spoke is in place;
Step 15, wheel spoke left side, chamfering: this step is that benchmark is processed with outside diameter of barrel, spoke end face and roll body axis verticality 0.01mm, two ends orifice chamfer and outside diameter of barrel axiality 0.01mm;
Step 16, fine grinding external diameter: external diameter linearity 0.01mm, circularity 0.01mm, cylindricity 0.01mm, external diameter and coaxiality of inner hole 0.01mm;
Step 17, fine grinding spoke left end endoporus: spoke left end endoporus circularity 0.01mm, with external diameter axiality 0.01mm;
Step 18, external diameter sandblasting, chromium plating: overall chromium plating, sandblasting bed roughness Ra0.6, chromium coating roughness Ra 0.3;
Step 19, dynamic balancing: this step does dynamic balancing when 1500r/min, verifies dynamic balancing at high speed 12000r/min, Mr≤2gmm.
Often following situation is there is in the pressure roller use procedure that prior art manufactures:
Winding head operates after a period of time, and pressure roller vibrations are generally bigger than normal, cause winding head not improve speed, continuous running poor stability.
The analysis of causes: after testing, pressure roller external diameter, coaxiality of inner hole deviation are comparatively large, and external diameter exists certain flexural deformation, causes pressure roller dynamic balancing to exceed requirement standard, affect the complete machine vibrations of winding head.
The present invention completely can head it off, through turning external diameter endoporus and three destressing heat treatment processes are intersected repeatedly repeatedly, finally complete fine finishining with grinding, coaxial accuracy can be increased substantially, improve material property, reduce the internal stress after finished part, avoid producing flexural deformation in pressure roller operation process.
Comparison example: the internal-and external diameter axiality that the present invention and prior art manufacture pressure roller contrasts (unit: mm)
Claims (20)
1. a manufacturing process for pressure roller, is characterized in that, comprises the steps:
(1) roll body manufacturing process, step is as follows:
Step 1, raw material normalizing
Step 2, rough turn external diameter, endoporus
Step 3, semi-finished product are destressing first
Step 4, half finish turning external diameter, endoporus
Step 5, the destressing of semi-finished product secondary
Step 6, finish turning external diameter endoporus
Step 7, corase grind external diameter
Step 8, refines elongated endoporus and aperture step
(2) spoke manufacturing process, step is as follows:
Step 9, raw material normalizing
Step 10, rough turn external diameter, endoporus
Step 11, semi-finished product are modified
Step 12, finish turning endoporus, external diameter
Step 13, processing 6, left side screwed hole
(3) assembling of roll body and spoke and aft-loaded airfoil manufacturing process, step is as follows:
Step 14, spoke hot charging enters roll body
Step 15, wheel spoke left side, chamfering
Step 16, fine grinding external diameter
Step 17, fine grinding spoke left end endoporus
Step 18, external diameter sandblasting, chromium plating
Step 19, dynamic balancing.
2. the manufacturing process according to claims 1, is characterized in that, wherein the normalizing of step 1 raw material, and temperature controls to control within the scope of HB179-229 at 850-870 DEG C of scope, material final hardness.
3. the manufacturing process according to claims 1, is characterized in that, wherein the rough turn external diameter of step 2, endoporus, makes elongated external diameter linearity≤0.1mm, external diameter coaxiality of inner hole≤0.1mm.
4. the manufacturing process according to claims 1, is characterized in that, wherein step 3 semi-finished product destressing first, and technological temperature requires to control within the scope of 400-500 DEG C, is then incubated 2-4 hour, Air flow.
5. the manufacturing process according to claims 1, is characterized in that, wherein step 4 half finish turning external diameter, endoporus, makes external diameter linearity≤0.03mm; Endoporus and external diameter axiality≤0.03mm.
6. the manufacturing process according to claims 1, is characterized in that, wherein step 5 semi-finished product secondary destressing, and technological temperature requires to control within the scope of 400-500 DEG C, is then incubated 2-4 hour, Air flow.
7. the manufacturing process according to claims 1, is characterized in that, wherein step 6 finish turning external diameter, endoporus, makes external diameter linearity≤0.03mm; Endoporus and external diameter axiality≤0.03mm; External diameter and endoporus all stay within the scope of mill amount 0.2-0.3mm.
8. the manufacturing process according to claims 1, is characterized in that, wherein step 7 roughly grinds external diameter, makes elongated external diameter linearity≤0.01mm; External diameter and coaxiality of inner hole≤0.03mm.
9. the roll body manufacturing process according to claims 1, is characterized in that, wherein step 8 refines elongated endoporus and aperture step, makes external diameter and coaxiality of inner hole≤0.01mm, the elongated endoporus interface rounding off of two ends docking.
10. the manufacturing process according to claims 1, is characterized in that, wherein the normalizing of step 9 raw material, and temperature controls to control within the scope of HB179-229 at 850-870 DEG C of scope, material final hardness.
11. manufacturing process according to claims 1, is characterized in that, wherein the rough turn external diameter of step 10, endoporus: reduce allowance, for following process provides benchmark.
12. manufacturing process according to claims 1, it is characterized in that, wherein step 11 semi-finished product are modified, and heat-treatment quenching temperature controls within the scope of 840-860 DEG C, temperature controls within the scope of 600-640 DEG C, and the hardness of parts controls within the scope of HB250-280 the most at last.
13. manufacturing process according to claims 1, it is characterized in that, wherein step 12 finish turning endoporus external diameter, make endoporus external diameter axiality≤0.01mm, left end endoporus stays mill amount 0.3mm.
14. manufacturing process according to claims 1, it is characterized in that, wherein step 13 processes left side screwed hole, and end-face helical hole is divided equally, center and external diameter axiality≤0.03mm.
15. manufacturing process according to claims 1, it is characterized in that, wherein step 14 spoke hot charging enters roll body, make spoke interference fit 0.05 ?0.08mm, spoke is in place.
16. manufacturing process according to claims 1, is characterized in that, wherein step 15 wheel spoke left side, chamfering, make spoke end face and roll body axis verticality≤0.01mm, two ends orifice chamfer and outside diameter of barrel axiality≤0.01mm.
17. manufacturing process according to claims 1, it is characterized in that, wherein step 16 refines external diameter, makes external diameter linearity≤0.01mm, circularity≤0.01mm, cylindricity≤0.01mm, external diameter and coaxiality of inner hole≤0.01mm.
18. manufacturing process according to claims 1, it is characterized in that, wherein step 17 refines spoke left end endoporus, makes spoke left end endoporus circularity 0.01mm, with external diameter axiality≤0.01mm.
19. manufacturing process according to claims 1, is characterized in that, wherein the sandblasting of step 18 external diameter, chromium plating, require sandblasting, chromium coating even, sandblasting bed roughness Ra0.4 ?0.8, chromium coating roughness Ra≤0.4.
20. manufacturing process according to claims 1, is characterized in that, wherein step 19 dynamic balancing, 1000 ?3000r/min rotating speed eliminate amount of unbalance with the form removing material, 8000 ?12000r/min rotating speed verification balance, require Mr≤3gmm.
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| CN201410455756.5A CN104227355B (en) | 2014-09-09 | 2014-09-09 | A kind of high speed winding head high speed rotates the manufacturing process of " pressure roller " |
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| CN201410455756.5A CN104227355B (en) | 2014-09-09 | 2014-09-09 | A kind of high speed winding head high speed rotates the manufacturing process of " pressure roller " |
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| CN104227355B CN104227355B (en) | 2016-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493444A (en) * | 2014-12-25 | 2015-04-08 | 苏州敏喆机械有限公司 | Manufacturing process of jacket in PA66 (polyamide 66) component of spinning box body |
| CN106078115A (en) * | 2016-07-22 | 2016-11-09 | 长沙天和钻具机械有限公司 | A kind of reverse circulation impactor inner casing joint processing technique |
| CN106862880A (en) * | 2017-03-06 | 2017-06-20 | 中航动力株洲航空零部件制造有限公司 | hollow shaft processing method |
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| TW200824842A (en) * | 2006-12-08 | 2008-06-16 | Leo Shih | Tool with outer peripheral teeth and manufacturing method thereof |
| CN101745787A (en) * | 2009-12-25 | 2010-06-23 | 常州市东升检测仪器有限公司 | Manufacturing method of slide rule rod for inductive displacement detector |
| CN101797679A (en) * | 2009-12-29 | 2010-08-11 | 林榆滨 | Method for manufacturing high-purity metal wire |
| CN101862940A (en) * | 2010-05-17 | 2010-10-20 | 隆昌山川精密焊管有限责任公司 | Manufacturing process of corrosion-resistant piston rod of shock absorber for vehicle |
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2014
- 2014-09-09 CN CN201410455756.5A patent/CN104227355B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200824842A (en) * | 2006-12-08 | 2008-06-16 | Leo Shih | Tool with outer peripheral teeth and manufacturing method thereof |
| CN101745787A (en) * | 2009-12-25 | 2010-06-23 | 常州市东升检测仪器有限公司 | Manufacturing method of slide rule rod for inductive displacement detector |
| CN101797679A (en) * | 2009-12-29 | 2010-08-11 | 林榆滨 | Method for manufacturing high-purity metal wire |
| CN101862940A (en) * | 2010-05-17 | 2010-10-20 | 隆昌山川精密焊管有限责任公司 | Manufacturing process of corrosion-resistant piston rod of shock absorber for vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493444A (en) * | 2014-12-25 | 2015-04-08 | 苏州敏喆机械有限公司 | Manufacturing process of jacket in PA66 (polyamide 66) component of spinning box body |
| CN106078115A (en) * | 2016-07-22 | 2016-11-09 | 长沙天和钻具机械有限公司 | A kind of reverse circulation impactor inner casing joint processing technique |
| CN106862880A (en) * | 2017-03-06 | 2017-06-20 | 中航动力株洲航空零部件制造有限公司 | hollow shaft processing method |
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| CN104227355B (en) | 2016-08-31 |
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