CN103008989B - The processing method of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole - Google Patents

The processing method of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole Download PDF

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CN103008989B
CN103008989B CN201210524356.6A CN201210524356A CN103008989B CN 103008989 B CN103008989 B CN 103008989B CN 201210524356 A CN201210524356 A CN 201210524356A CN 103008989 B CN103008989 B CN 103008989B
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hole
frock
milling head
workpiece
semi arch
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CN103008989A (en
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师建强
欧阳长城
王志强
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MCC SFRE Heavy Industry Equipment Co Ltd
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MCC SFRE Heavy Industry Equipment Co Ltd
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Abstract

The invention discloses the processing method of a kind of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole, step comprises: step 1, by frock header board, frock datum plate, frock toolsetting plate being incorporated on the end face of workpiece; Step 2, with the center of workpiece for benchmark walks coordinate, with main shaft boring half and half circular hole on frock header board; Step 3, alter coordinate by workpiece centre, frock datum plate is used main shaft bore hole, machining benchmark hole; Step 4, with universal angular milling head trial cut on frock toolsetting plate; By the datum hole tool setting of universal angular milling head on frock datum plate; The universal angular milling head cutter centre of gyration is fixed on first semi arch center, a bit of semi arch of trial cut on frock header board; Exit cutter, until play table to detect institute's recording distance consistent size in numerical value and above-mentioned steps, borer part first semi arch closes figure; Allowing blade replacement, universal angular milling head removes angle, processes all the other each semi arches successively.Method of the present invention ensure that machining accuracy.

Description

The processing method of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole
Technical field
The invention belongs to plant equipment processing technique field, relate to the processing method of a kind of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole.
Background technology
Sendzimir multi-roll mill is generally used for cold rolled silicon steel, stainless steel and mild steel strip.Memorial archway due to milling train is overall structure, good rigidly, rolling can be less than the stainless steel strip of 0.1mm.The processing of Sendzimir multi-roll mill large memorial archway key position is the processing of its inner plum blossom-shaped through hole, and finished size and Geometrical Tolerance Principle are 0.01mm.Because memorial archway size is large, the axial dimension of plum blossom-shaped through hole is large.Usually the processing of its inner plum blossom-shaped through hole is on special purpose machine tool, and eight machining shafts stretch out simultaneously, process, and because boring bar stretches out longer, amount of deflection is inadequate; In addition, the method processing dependence is strong, and processing time consuming is required great effort, and precision is difficult to ensure, processing charges is high.
Just because of special, the high-precision restriction of above-mentioned plum blossom-shaped through-hole structure, technological difficulties of field of machining are become.
Summary of the invention
The object of this invention is to provide the processing method of a kind of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole, solve in prior art, adding man-hour to the plum blossom-shaped through hole in the large memorial archway of Sendzimir multi-roll mill, processing time consuming is required great effort, and precision is difficult to the problem ensured.
The technical solution adopted in the present invention is: the processing method of a kind of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole, specifically implements according to following steps:
Step 1, by the predetermined screwhole position on workpiece one end face, by frock header board, frock datum plate, frock toolsetting plate being incorporated on the end face of workpiece;
Step 2, by the manufactured benchmark bottom surface of workpiece and align laterally workpiece, determine the center of workpiece, record coordinate value; With the center of workpiece for benchmark, walk coordinate, on frock header board, with half and half circular hole in main shaft boring plum blossom-shaped through hole trial cut hole;
Wherein, on frock header board in eight semi arch holes, process a undercut every 10mm, the dark 1mm of each undercut, wide 5mm, the dimensional tolerance in eight semi arch holes controls at ± 0.005mm;
Step 3, by fixed workpiece centre, alter coordinate, frock datum plate is used main shaft bore hole, machining benchmark hole; The center of datum hole and the distance at half and half circular hole center in plum blossom-shaped through hole trial cut hole on record frock datum plate, as the foundation that postorder is processed;
Step 4, the universal angular milling head of installation boring machine annex, install cutter, ram stretches out certain length, carries out following steps:
4.1) with universal angular milling head trial cut toolsetting hole on frock toolsetting plate, adjustment cutter, wherein, the tolerance in toolsetting hole is 0 ~+0.01mm;
4.2) by the datum hole tool setting of universal angular milling head on frock datum plate, use dial test indicator centering, make the datum hole center superposition on the universal angular milling head cutter centre of gyration and frock datum plate;
4.3) alter coordinate, process first semi arch:
Alter coordinate by the distance size recorded in above-mentioned steps 3, the universal angular milling head cutter centre of gyration is fixed on first semi arch center, a bit of semi arch of trial cut on frock header board;
Exit cutter, distance between a bit of semi arch center detecting trial cut on datum hole and frock header board on frock datum plate with lever meter, whether with the distance consistent size that records in above-mentioned steps 3, if inconsistent, then adjust universal angular milling head cutter centre of gyration position;
Second time trial cut, plays table and detects; Until play table to detect institute's recording distance consistent size in numerical value and above-mentioned steps 3, now universal angular milling head cutter centre of gyration position is just the exact position at first semi arch center, and after adjusting, first semi arch of borer part closes figure;
4.4) allowing blade replacement, universal angular milling head removes angle, by above-mentioned steps 4.1), step 4.2), step 4.3) process all the other each semi arches successively.
The invention has the beneficial effects as follows, structure is simple, and easy to operate, cost is low, effectively ensure that machining accuracy.
Accompanying drawing explanation
Fig. 1 is the inventive method plum blossom-shaped through hole schematic cross-section to be processed;
Fig. 2 is plum blossom-shaped through hole perspective view to be processed;
Fig. 3 is the frock header board schematic diagram relied in the inventive method;
Fig. 4 is the frock datum plate schematic diagram relied in the inventive method;
Fig. 5 is the frock toolsetting plate schematic diagram relied in the inventive method;
Fig. 6 is each tooling combination schematic diagram of finishing passes in the inventive method;
In figure, 1. workpiece, 2. frock header board, 3. frock datum plate, 4. frock toolsetting plate, 5. plum blossom-shaped through hole, 6. datum hole, 7. toolsetting hole, 8. plum blossom-shaped through hole trial cut hole.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, be schematic cross-section and the perspective view of the inventive method plum blossom-shaped through hole to be processed.
The enforcement of the inventive method, depends on frock header board 2, frock datum plate 3 and frock toolsetting plate 4.
With reference to Fig. 3, frock header board 2 offers plum blossom-shaped through hole trial cut hole 8.
With reference to Fig. 4, frock datum plate 3 offers datum hole 6.
With reference to Fig. 5, frock toolsetting plate 4 offers toolsetting hole 7.
With reference to Fig. 6, the processing method of Sendzimir multi-roll mill of the present invention large memorial archway plum blossom-shaped through hole, specifically implement according to following steps:
Step 1, by the predetermined screwhole position on workpiece 1 one end face, respectively by frock header board 2, frock datum plate 3, frock toolsetting plate 4 being incorporated on the end face of workpiece 1, adopt pin position reliably.
Step 2, by the manufactured benchmark bottom surface of workpiece 1 and align laterally workpiece, determine the center (center of the plum blossom-shaped through hole 5 namely in Fig. 1) of workpiece 1, record coordinate value; With the center of workpiece 1 for benchmark, walk coordinate, on frock header board 2, with half and half circular hole (the plum blossom-shaped through hole trial cut hole 8 namely in Fig. 6) in main shaft boring plum blossom-shaped through hole trial cut hole 8, dimensional tolerance presses ± 0.005mm control; After above-mentioned each hole machined is complete, check the correctness of each hole site with reference to XA, YA, ZA, WA technical parameter value on Fig. 1.
With reference to Fig. 3, in order to following process is convenient, on frock header board 2 in eight semi arch holes, processes a undercut every 10mm, the dark 1mm of each undercut, wide 5mm, notice that in each semi arch hole, undercut relative position is basically identical, is convenient to follow-up measurement;
Step 3, center by fixed workpiece 1, shown in Fig. 6, alter coordinate, frock datum plate 3 is used main shaft bore hole, machining benchmark hole 6, the roughness of datum hole 6 reaches Ra3.2; The center of datum hole 6 and the distance at half and half circular hole center in plum blossom-shaped through hole trial cut hole 8 on record frock datum plate 3, as the foundation that postorder is processed;
Step 4, the universal angular milling head of installation boring machine annex, install cutter, ram stretches out certain length:
4.1) with universal angular milling head trial cut toolsetting hole 7 on frock toolsetting plate 4, accurately adjust cutter, the tolerance in the toolsetting hole 7 that universal angular milling head is processed on frock toolsetting plate 4 is 0 ~+0.01mm;
4.2) by datum hole 6 tool setting of universal angular milling head on frock datum plate 3, use dial test indicator centering, make datum hole 6 center superposition on the universal angular milling head cutter centre of gyration and frock datum plate 3, axiality is less than 0.0025;
4.3) coordinate is altered, processing semi arch A (first semi arch namely in Fig. 1): alter coordinate by the distance size recorded in above-mentioned steps 3, the universal angular milling head cutter centre of gyration is fixed on semi arch A center, a bit of semi arch of trial cut on frock header board 2; Exit cutter, distance between a bit of semi arch center detecting trial cut on datum hole 6 and frock header board 2 on frock datum plate 3 with lever meter, whether with the distance consistent size that records in above-mentioned steps 3, if inconsistent, then adjust universal angular milling head cutter centre of gyration position; Second time trial cut, plays table and detects; Until play table to detect institute's recording distance consistent size in numerical value and above-mentioned steps 3, now universal angular milling head cutter centre of gyration position is just the exact position at semi arch A center, and after adjusting, borer part semi arch A closes figure;
4.4) allowing blade replacement, universal angular milling head removes angle, by above-mentioned steps 4.1), step 4.2), step 4.3) process all the other each semi arches successively.
Attention question is answered in the inventive method critical process:
1) in order to meet drawing requirement, must adjust equipment precision before fine finishining.
2) often process a semi arch hole, main shaft returns datum mark, more renews blade, again alters coordinate, then starts to process next semi arch hole, can eliminate machine tool gap like this, reduces tool wear error.
3) during semifinishing plum blossom-shaped through hole, should ensure the uniformity of semi arch hole allowance, preferably control in 0.10 ~ 0.12 scope, roughness controls in Ra3.2 ~ 1.6 as far as possible; During fine finishining plum blossom-shaped through hole, the uniformity of cutting parameter be ensured.
In sum, the processing method of Sendzimir multi-roll mill of the present invention large memorial archway plum blossom-shaped through hole, use the frocks such as a frock header board, frock datum plate, frock toolsetting plate, adopt HCW3 – 260 boring machine, utilize ram and universal angular milling head, ram intensity is good, solves boring bar and stretches out longer, the problem that amount of deflection is inadequate; Because plum blossom hole size is little, often process a plum blossom hole, universal angular milling head need move corresponding angle, well solves again the problem of centering.Facts have proved, adopting the memorial archway of the inventive method processing meet drawing completely and check outline requirement, providing new method for processing this type of part.

Claims (2)

1. a processing method for Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole, is characterized in that, specifically implements according to following steps:
Step 1, by the predetermined screwhole position on workpiece (1) end face, by frock header board (2), frock datum plate (3), frock toolsetting plate (4) being incorporated on the end face of workpiece (1);
Step 2, by the manufactured benchmark bottom surface of workpiece (1) and align laterally workpiece, determine the center of workpiece (1), record coordinate value; With the center of workpiece (1) for benchmark, walk coordinate, on frock header board (2), with half and half circular hole of main shaft boring plum blossom-shaped through hole trial cut hole (8);
Wherein, in upper eight the semi arch holes of frock header board (2), process a undercut, the dark 1mm of each undercut, wide 5mm every 10mm, the dimensional tolerance in eight semi arch holes controls at ± 0.005mm;
Step 3, by fixed workpiece centre, alter coordinate, use main shaft bore hole, machining benchmark hole (6) frock datum plate (3) is upper; The center of the upper datum hole (6) of record frock datum plate (3) and the distance at half and half circular hole center in plum blossom-shaped through hole trial cut hole (8), as the foundation that postorder is processed;
Step 4, the universal angular milling head of installation boring machine annex, install cutter, ram stretches out certain length, carries out following steps:
4.1) with universal angular milling head trial cut toolsetting hole (7) on frock toolsetting plate (4), adjustment cutter, wherein, the tolerance of toolsetting hole (7) is 0 ~+0.01mm;
4.2) by datum hole (6) tool setting of universal angular milling head on frock datum plate (3), use dial test indicator centering, make datum hole (6) center superposition on the universal angular milling head cutter centre of gyration and frock datum plate (3);
4.3) alter coordinate, process first semi arch:
Alter coordinate by the distance size recorded in above-mentioned steps 3, the universal angular milling head cutter centre of gyration is fixed on first semi arch center, at the upper a bit of semi arch of trial cut of frock header board (2);
Exit cutter, by the distance between the upper datum hole (6) of lever meter detection frock datum plate (3) and a bit of semi arch center of the upper trial cut of frock header board (2), whether with the distance consistent size that records in above-mentioned steps 3, if inconsistent, then adjust universal angular milling head cutter centre of gyration position;
Second time trial cut, plays table and detects; Until play table to detect institute's recording distance consistent size in numerical value and above-mentioned steps 3, now universal angular milling head cutter centre of gyration position is just the exact position at first semi arch center, and after adjusting, first semi arch of borer part (1) closes figure;
4.4) allowing blade replacement, universal angular milling head removes angle, by above-mentioned steps 4.1), step 4.2), step 4.3) process all the other each semi arches successively.
2. the processing method of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole as claimed in claim 1, it is characterized in that: in described step 3, the roughness of machining benchmark hole (6) reaches Ra3.2.
CN201210524356.6A 2012-12-07 2012-12-07 The processing method of Sendzimir multi-roll mill large memorial archway plum blossom-shaped through hole Active CN103008989B (en)

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CN103909481B (en) * 2014-03-19 2015-09-30 浙江歌瑞新材料有限公司 A kind of datum plate for automatic detection device and processing method thereof
CN104646965B (en) * 2015-02-11 2016-08-24 中国重型机械研究院股份公司 A kind of processing technique of mill memorial archway
CN104625165B (en) * 2015-02-11 2017-10-27 中国重型机械研究院股份公司 A kind of 20 roller memorial archway processing tools

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815401A (en) * 1973-02-05 1974-06-11 Sendzimir Inc T Housing construction for cluster type cold rolling mills
US4107971A (en) * 1977-06-14 1978-08-22 Textron, Inc. Cluster type rolling mill
CN102430775A (en) * 2011-10-26 2012-05-02 中冶京诚工程技术有限公司 Multiroll mill stand processing method and fixture device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142463A (en) * 1975-06-04 1976-12-08 Hitachi Ltd Method of manufacturing roll housing for multiistage rolling mill
JPH0313216A (en) * 1989-06-12 1991-01-22 Hitachi Ltd Housing for cluster mill and its manufacture

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US3815401A (en) * 1973-02-05 1974-06-11 Sendzimir Inc T Housing construction for cluster type cold rolling mills
US4107971A (en) * 1977-06-14 1978-08-22 Textron, Inc. Cluster type rolling mill
CN102430775A (en) * 2011-10-26 2012-05-02 中冶京诚工程技术有限公司 Multiroll mill stand processing method and fixture device

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