CN1034762A - The chemical milling of cylinder (wheel) punching block fast deep - Google Patents
The chemical milling of cylinder (wheel) punching block fast deep Download PDFInfo
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- CN1034762A CN1034762A CN 88100801 CN88100801A CN1034762A CN 1034762 A CN1034762 A CN 1034762A CN 88100801 CN88100801 CN 88100801 CN 88100801 A CN88100801 A CN 88100801A CN 1034762 A CN1034762 A CN 1034762A
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Abstract
The present invention a kind ofly carries out the fast deep chemical etching technology to cylinder, roller and steel mould with curved surface.
At present, to the engraving of cylinder, roller and steel mould with curved surface, adopt manual engraving usually under as-annealed condition, work efficiency is extremely low, and has thermal treatment damage and distortion.Chemical milling of the present invention is the resist pattern of sheltering that forms predetermined figure line earlier on steel billet with photic dry film film coating process; in etching machine, carry out profile formation, degree of depth formation and domatic then and form three road etching work procedures, adopt the side anticorrosion protection in the etching simultaneously.
The etched punching block of the present invention, precision and work efficiency height do not exist thermal treatment damage and distortion, are applicable to the carve characters steel roller etc. of line of roll extrusion on steel wheel, printing and dyeing and the metalwork of making branding.
Description
The present invention a kind ofly carries out the fast deep chemical etching technology to cylinder, roller and steel mould with curved surface.
At present, engraving figure line on cylinder, circular cone or steel mould with curved surface, usually under as-annealed condition, adopt manual engraving, this engraving, exquisite degree is not high, engraves in the process original cambered surface and can sustain damage and lose precision, and heat-treat again after the engraving, the figure behind the engraving is ablated and distortion.Another kind is that machinery mills quarter, can only carry out on the planar shaped punching block, and it is long to mill the cycle at quarter, still needs manual the correction at last, exists thermal treatment to ablate and distortion equally.More than two kinds of engraving processes all belong to point-like method engraving, promptly remove by bit by bit unwanted part being carved, work efficiency is extremely low.The chemical milling of steel material is also arranged in the prior art, but only make light engraving, only be not applicable to general steel material and there is the powder etching method, processing object all is a flush type.
The purpose of this invention is to provide and a kind ofly can carry out the fast deep chemical etching technology punching block, can not only be on the punching block of plane, and can be on cylinder, roller and steel mould with curved surface the predetermined figure Wen ， And of etching can the overall depth etching, thereby reach the purpose that improves work efficiency and precision.
The chemical milling of cylinder of the present invention (wheel) punching block fast deep, at first prepare satisfactory punching block blank after metalworking, thermal treatment and grinding, then by predetermined figure line, draw draft, the preparation egative film changes on the punching block blank after oil removing is cleaned and pastes photic dry film, compound bottom sheet, after exposure, copying, development and finishing, on the punching block blank, form the resist pattern of sheltering of predetermined figure line, behind the clear space of a whole page, put into etching machine then and carry out etching.Etching has profile formation, the degree of depth to form and domatic forms three process, and each procedure all adopts the side anticorrosion protection.Lateral protection is to adopt ink roller at etching part figure end face roll extrusion printing ink; mat printing ink is spread to the side that has etched; on printing ink, adhere to coloured rosin; make colophonium powder and etching resisting ink be melt into protective layer through baking; having the punching block blank of sheltering resist pattern to carry out etched first procedure in etching machine is that profile forms; the temperature of its etching solution is 26 ℃～27 ℃; etching divides to be carried out for three times; each etching is after 3 minutes; clean; dry; then at etching part figure end face roll extrusion printing ink; adhere to coloured rosin; make end face and side form protective layer after the baking; cumulative depth at the end is 0.1～0.12 millimeter; the second operation work that changes over to is that the degree of depth forms; at this moment the temperature of etching solution rises to 33 ℃～35 ℃ according to degree of depth requirement; carry out repeatedly etching, before each etching, clean carving part; dry And is to end face; side and preparation form the stagewise bottom surface and carry out anticorrosion protection; width by control printing ink is spread makes the anticorrosion protection layer after the etching first time, extends a ladder and a preparation formation stagewise bottom surface one by one downwards; the width of bottom surface determines by the gradient; the more little width of the gradient is big more, otherwise the gradient is big more, and width is more little.Such protective layer; make and be etched in ladder of figure side formation at every turn; through repeatedly etching; side after the degree of depth forms is the stepped appearance that adapts with the gradient; usually cumulative depth is 0.6 millimeter; etched three process is that domatic forms; purpose is that the side ladder after the degree of depth is formed eliminates, and makes it to become the domatic that meets predetermined slope, at this moment; etch temperature is reduced to 27 ℃～30 ℃; divide the several times etching, before each etching, clean carving part; dry; width by control printing ink is spread makes the anticorrosion protection layer shrink a ladder by the bottom one by one to end face.Promptly will not protect the ladder of preparing to eliminate, then in the etching, to the end face ladder of pruning one by one, etching period reduces one by one, subtracts 2 minutes one by one by 8 minutes by the bottom.Through repeatedly etching, can eliminate and can distinguish the ladder trace, form the domatic of predetermined slope, also increased the degree of depth simultaneously.All etchings intact after, through cleaning and 200～220 ℃ of bakings 2～3 hours, with elimination of hydrogen embrittlement.360 degree all have the steel part etching of figure, should etched part will not protected, and workpiece is done the circumference rotation in etching machine, and figure also can simultaneously carry out etching to certain still only in one side or several times.The shape of etching part can be cylindrical, conical, planar shaped, arc surfaced or other geometrical shape.
Advantage of the present invention is: (1) etched mould and die accuracy height, there are not thermal treatment damage and distortion, and need not processing after the etching can use, and end face smooth finish can reach
8.(2) figure line, word line exquisiteness, minimum figure can be carved 200 of English alphabets in every square centimeter of scope.(3) owing to be whole etching, so the work efficiency height, medium drum (150 * 400 millimeters of φ) that does not comprise the egative film preparation is on duty just can to go out product, and small-sized roller etc. are carved part while etching in batch.(4) less investment, etching machines except that etching machine, only the laminator that need match, shine case, roll black machine and electric furnace gets final product.(5) applied range, be used to print the steel wheel of trade mark, print the steel seal of trade mark as cigarette machine, cable and wire and take turns the steel cylinder of process hides, wallpaper and printing and dyeing usefulness, at the steel cylinder of roll extrusion groove and literal on the metalwork such as the groove reading on the aluminium alloy weighing lever etc., all can adopt the present invention.
Below in conjunction with accompanying drawing narration embodiments of the invention
Fig. 1 is the resist pattern copying flow process of sheltering of the present invention
Fig. 2 is an etchant flow of the present invention
For requiring the degree of depth is that 0.8～0.9 millimeter, the domatic gradient are the chemical milling of the cigarette machine trade mark steel seal (steel wheel) of 60 degree, and its concrete steps are as follows:
1. shelter the formation (as shown in Figure 1) of resist pattern on the steel seal blank
(1) will carry out oil removing through the punching block blank after metalworking, thermal treatment and the grinding and clean, not enough to grinding smooth finish, with No. 500 waterproof abrasive paper polishings.
(2) will be scheduled to figure line, drafting draft, preparation egative film.
(3) protective layer with photic dry film tears off, on the laminator photic dry film commentaries on classics is being affixed on the blank etching face of cleaning, and temperature is controlled at 90 ℃～105 ℃, pressure 0.5～1.5kg/cm
2, or with the manual roll extrusion pad pasting of rubber-surfaced roll.
(4) throw off the terylene protective layer of photic dry film another side, the multiple egative film of going up preparation tightly twines with transparent dacron membrane, and egative film is overlapped with dry film.
(5) exposure: light source adopts black lamp, and 360 degree are subjected to illumination in circle is shone case, and the time shutter is pressed light quantity, light apart from adjustment.
(6) show one's color: with 0.2% aqueous sodium hydroxide solution or 2% aqueous sodium carbonate, 25 ℃ ± 5 ℃ of temperature, can obtain giving the resist pattern of sheltering of deciding the figure line at 1～2 minute time on the steel seal blank.
2. etching work procedure (as shown in Figure 2)
To after sheltering resist pattern and revising, be placed on and do the circumference rotation in the etching machine and carry out 360 degree etchings, etching solution adds 2% hydrochloric acid with the liquor ferri trichloridi of degree Beaume 41, and etching minute wheel profile becomes, the degree of depth forms and domatic forms three process.
One. the etching that profile forms, etching divides to be carried out for three times.
(1) the clear space of a whole page is cleaned with water at etching face with the liquor ferri trichloridi of degree Beaume 41, removes the remaining glue or the impurity of resistance erosion;
(2) the etching solution temperature is transferred to 27 ℃;
(3) lose 3 minutes in advance, erosion Bi Qingxi, suck dry moisture;
(4) rolling Mo Jishang, to etched figure roll extrusion printing ink, making printing ink be transferred to the figure end face from ink roller, mat printing ink is spread to the side, and adheres to coloured colophonium powder end, through 170 ℃ of bakings, makes printing ink and rosin be melt into the anticorrosion protection layer at end face and side;
(5) carry out the etching second time, three minutes time, lost the back with platemaking (alcohol and Tianna solution each 50%) flush away anticorrosion protection layer, wash down with clear water with 10% sodium hydroxide solution cleaning ， And again and blot;
(6) etching for the third time repeats above-mentioned one, (4), (5);
Profile forms three etchings at the end, and cumulative depth is 0.1～0.12 millimeter.
Two, the etching of degree of depth formation, etching divides to be carried out for three times.
(1) etching solution is elevated to 34 ℃;
(2) rolling Mo Jishang, infiltrate the printing ink of sewing-machine oil from the roll extrusion of etching part figure end face, printing ink is spread naturally from end face to be diffused into the side and to prepare to form the stagewise bottom surface, adhere to coloured colophonium powder end, through 170 ℃ of bakings, make printing ink and rosin form the stagewise bottom surface in end face, side and preparation and be melt into the anticorrosion protection layer, it is next fixed by the gradient 60 degree to prepare to form the stagewise bottom width;
(3) carry out the etching first time, etching period 16 minutes, the erosion back is cleaned ， And with 10% sodium hydroxide solution again and is washed down, blots with clear water with platemaking flush away anticorrosion protection layer;
(4) rolling Mo Jishang, infiltrate the printing ink of sewing-machine oil from the roll extrusion of etching part figure end face, printing ink is spread naturally from end face to be diffused into side (comprising the ladder that etching for the first time forms) and to prepare to form the stagewise bottom surface, adhere to coloured colophonium powder end, through 170 ℃ of bakings, make printing ink and rosin form the stagewise bottom surface and be melt into the anticorrosion protection layer in end face, side (comprising the ladder that etching for the first time forms) and preparation;
(5) etching for the second time with two, (3) step;
(6) repetition two, (4) step, the width that control printing ink is spread makes the anticorrosion protection layer extend to the bottom from end face, forms stagewise bottom surface formation protective layer in end face, side (comprising two ladders that first and second time etching forms) and preparation;
(7) etching for the third time with two, (3) step;
After three etchings, the figure side is for spending the stepped appearance that adapts with the gradient 60, and cumulative depth is 0.6 millimeter.
Three, the etching of domatic formation, etching divides to be carried out for three times.
(1) the etching solution temperature is reduced to 29 ℃;
(2) before each etching, with the part at quarter that cleans, dries up, from end face figure stitching oil China ink, the width that control printing ink is spread makes the anticorrosion protection layer shrink a ladder one by one from the bottom to end face, and the promptly predetermined ladder that eliminates does not form protective layer;
(3) three etchings and two, (3) roughly the same, etching period 8 minutes for the first time, 6 minutes for the second time, 4 minutes for the third time, etching by the bottom to the end face ladder of pruning one by one.
Three etchings are finished, and total depth reaches 0.8 millimeter, and the figure side forms the domatic of 60 degree.
3. erosion aftertreatment
The steel seal that etching finishes is toasted 2～3 hours with elimination of hydrogen embrittlement in 220 ℃ baking box, after check, oiling is antirust can be delivered for use.
Claims (3)
1, cylinder (wheel) punching block fast deep chemical milling comprises the punching block blank of preparation through metalworking, draws draft, preparation egative film by predetermined figure line, it is characterized in that:
A. the punching block blank be alloy tool steel after thermal treatment and grinding or other steel material,
B, adopt to change paste photic dry film, compound bottom sheet, 360 degree exposure, copyings on the punching block blank, show one's color and revises, resist pattern is sheltered in formation on the punching block blank,
C. tool is sheltered punching block blank 360 degree etchings in etching machine of resist pattern, and be divided into profile formation, degree of depth formation and domatic and form three road etching work procedures,
D. the side anticorrosion protection in each road etching work procedure is to adopt ink roller at etching part figure end face roll extrusion printing ink; mat printing ink is spread and is diffused to the side that has etched; on printing ink, adhere to coloured colophonium powder end, through baking, make rosin powder and etching resisting ink be melt into protective layer,
E. the shape of etching part is cylindrical, conical, planar shaped, arc surfaced or other geometrical shape.
2, cylinder according to claim 1 (wheel) punching block fast deep chemical milling; the etching that it is characterized in that degree of depth formation operation is the repeatedly etching of being undertaken by degree of depth requirement; before each etching; by controlling the width that printing ink is spread; make the anticorrosion protection layer after the etching first time, extend a ladder and a preparation formation stagewise bottom surface one by one downwards; thereby each etching forms a ladder, and the figure side after the degree of depth forms is the stepped appearance that adapts with the gradient.
3, cylinder according to claim 1 (wheel) punching block fast deep chemical milling; it is characterized in that domatic forms the repeatedly etching of operation; before each etching; by controlling the width that printing ink is spread; make the anticorrosion protection layer shrink a ladder one by one to end face by the bottom; the side ladder that in the etching deep etching is formed eliminates a ladder by the bottom one by one to end face, and the figure side after waveform forms is the domatic of predetermined slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88100801 CN1015010B (en) | 1988-02-05 | 1988-02-05 | Rapid and deep chemical etching on roller (rolling wheel) and steel mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88100801 CN1015010B (en) | 1988-02-05 | 1988-02-05 | Rapid and deep chemical etching on roller (rolling wheel) and steel mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1034762A true CN1034762A (en) | 1989-08-16 |
| CN1015010B CN1015010B (en) | 1991-12-04 |
Family
ID=4831512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88100801 Expired CN1015010B (en) | 1988-02-05 | 1988-02-05 | Rapid and deep chemical etching on roller (rolling wheel) and steel mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1015010B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100441742C (en) * | 2005-02-07 | 2008-12-10 | 李家顺 | Production of hinge thin-sheet paper cameo module |
| CN103203954A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | A hybrid production process for a step stencil |
-
1988
- 1988-02-05 CN CN 88100801 patent/CN1015010B/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100441742C (en) * | 2005-02-07 | 2008-12-10 | 李家顺 | Production of hinge thin-sheet paper cameo module |
| CN103203954A (en) * | 2012-01-16 | 2013-07-17 | 昆山允升吉光电科技有限公司 | A hybrid production process for a step stencil |
| CN103203954B (en) * | 2012-01-16 | 2016-12-07 | 昆山允升吉光电科技有限公司 | A kind of mixing manufacture technique of stepped formwork |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1015010B (en) | 1991-12-04 |
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