CN208005362U - A kind of positioning tool of prism ridge rib - Google Patents
A kind of positioning tool of prism ridge rib Download PDFInfo
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- CN208005362U CN208005362U CN201820464897.7U CN201820464897U CN208005362U CN 208005362 U CN208005362 U CN 208005362U CN 201820464897 U CN201820464897 U CN 201820464897U CN 208005362 U CN208005362 U CN 208005362U
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Abstract
The utility model discloses a kind of positioning tools of prism ridge rib, belong to optical prism technical field.The positioning tool includes substrate, positioning prism and ridge face locating piece；There are two the positioning prism tools, is oppositely arranged on substrate, and form V-type locating slot；Ridge face locating piece is set to above positioning prism, and with ridge positioning surface, ridge positioning surface is perpendicular to the end face of positioning prism, and ridge positioning surface is perpendicular to the upper surface of substrate.The processing method of the prism ridge rib is：First prepare pentaprism blank, then pentaprism is positioned by positioning tool, is then ground two ridge faces respectively, forms ridge rib.When the utility model positioning tool aims at pentaprism grinding ridge face designed by positioning, may make that angle precision is difficult to reach 30 between rectangle sides corresponding thereto for ridge rib that two ridge faces are formed " within, positioning is simple and quick.
Description
Technical field
The utility model belongs to optical prism processing technique field, more specifically to a kind of determining for prism ridge rib
Position tooling and its positioning and processing method.
Background technology
The prism that prism is made of optical material, the plane of refraction and reflecting surface of all prisms are referred to as working face, two works
The intersection for making face is known as rib, and the section of vertical rib is known as main cross section.Prism plays many different effects, rib in optics
The combination of mirror may be used as beam splitter, polarizer etc., but in most applications, only use the dispersion function of prism, or make
The function that the direction of picture, direction of beam propagation change.Dispersion function makes prism as dispersion element, such as in spectrometer, take the photograph
Prism in spectrometer, monochromator is exactly to play dispersion interaction.
Prism is not only high to the required precision of working face itself, and angle precision between working face require nor
Chang Gao, this two aspect directly determine prism quality.Currently, prism ensures each working face of prism generally using primary batch production
Parameter (finish, flatness, angle etc.) reaches design accuracy requirement, is that each process technology scheme has to one solved
Key problem, because every procedure in the fabrication process may all influence final finished precision, the control to machining accuracy
System also requires the method that should all have solution to the influence factor of every procedure always through entire manufacturing process.It is existing
In the production process of prism, the faulty materials that Product Precision does not reach requirement can be produced often, to find out its cause, often processed
The vertical control in the upper disk side of prism is bad in journey, and the vertical control in side is most universal, and the way most easily realized is to pass through frock clamp
It realizes.So the reasonability of Fixture designing and the accuracy of manufacture are to ensure entire manufacturing process high efficiency production and make
Product keeps the essential condition of high qualification rate.
With scientific and technological economic fast development, efficient, the high-precision epoch are already striden into, higher is proposed to the precision of prism
Requirement, and how higher production energy reached by existing equipment, is that enterprise endeavours always the direction studied intensively.Such as Fig. 1
Shown in pentaprism, the rectangular surfaces of side five and the big face of former and later two pentagons have all been machined into position, have needed in one
Side processes ridge face, and general ridge face and pentagonal big face are at 45 °, and two ridge faces join to form ridge rib, such as Fig. 2
It is shown, how to ensure that the precision of angle is the key that production to ridge rib between rectangle sides corresponding thereto, previous required precision is not
Gao Shi generally 3 ' Zuo You, but requires the two inclined-planes while meeting 30 now " within, this just greatly improves difficult processing
Degree.
The applicant previously applies and has authorized entitled：The vertical tooling in disk control side, the patent No. on a kind of small prism
For：The patent of invention of ZL201410852971.9 is exactly processed about small prism (referring generally to specification 30*30mm products below)
The innovation of angle control.The vertical tooling in disk control side includes pedestal, horizontal location block, block, level by body and V on the small prism
Type limited block, V-type limited block be opening angle be 90 ° of V-type groove-like structures, wherein：Pedestal is square plate shape structure；Level is fixed
Position block length cube block structure, is provided with square groove, is erected upward in the recess of groove and is arranged in the upper surface of pedestal and leans on
The position in nearly pedestal sideline；Block is also cuboid block structure, and one end fits are embedded in the groove of horizontal location block, the other end
It is perpendicular to be arranged on the V-groove mouth of V-type limited block；Level is 90 DEG C of right angle trigonometry body structures by body, is equipped with and is limited in V-type
In 90 ° of V-groove of block.Small prism is navigated to level by this scheme by the combination of horizontal location block, block and V-type limited block
Side, which is hung down, on body, when meeting processing requires, but is not the processing in ridge face, is not also related to the angle control of ridge rib.In addition,
Tooling precision itself is not high, and V-type limited block is by naked eyes alignment telltale mark line positioning, and precision is poor, and telltale mark line sheet
Body is also difficult to precisely；Horizontal location block, limited block and block three combination installation difficulty are higher, it is difficult to ensure that they are leaned on level
Vertical precision between body upper surface necessarily affects the positioning of small prism.Meanwhile the tooling is served only for the upper disk positioning of small prism,
Precision controlling in following process is not specifically given.
Utility model content
1, it to solve the problems, such as
The utility model provides a kind of positioning tool of prism ridge rib, and its object is to solve existing pentaprism processing
After processing ridge face, angle precision is difficult to reach 30 ridge rib between rectangle sides corresponding thereto " within the problem of.The positioning work
When dress aims at pentaprism grinding ridge face designed by positioning, the ridge rib of two ridge face of following process formation can be met corresponding thereto
Angle precision reaches 30 between rectangle sides " within, positioning is simple and quick.
The utility model additionally provides a kind of localization method of prism ridge rib, can efficient, essence using above-mentioned positioning tool
Really by pentaprism optical cement to the grinding on body, facilitating follow-up ridge face.
The utility model additionally provides a kind of processing method of prism ridge rib, is not influencing five rib of above-mentioned positioning tool pair
Under the premise of mirror positioning accuracy, a pair of of ridge face is processed on the one side of pentaprism, and form ridge rib, can ensured simultaneously
Ridge rib corresponding thereto between rectangle sides angle precision 30 " within.
2, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of positioning tool of prism ridge rib, including substrate, positioning prism and ridge face locating piece；The positioning three
There are two prism tools, is oppositely arranged on substrate, and form V-type locating slot；Ridge face locating piece is set to positioning trigone
Above mirror, with ridge positioning surface, ridge positioning surface is perpendicular to the end face of positioning prism, and ridge positioning surface is perpendicular to substrate
Upper surface.
As a further improvement, further including supporting block；The supporting block is located at the side of positioning prism, and lower end passes through
Optical cement is glued on substrate；Ridge face locating piece is fixed in supporting block.
As a further improvement, the positioning prism is isosceles right angle prism, ridge face locating piece and supporting block are equal
For four prisms.
As a further improvement, the finish of the upper surface of base plate is 40~20, surface aperture is 1/8 λ；The positioning
Each angular accuracy of prism is 10 " within, surface smoothness is 20~10, and 1/8 λ of aperture, V-type locating slot angle precision is 10 "
Within；The ridge positioning surface finish of ridge face locating piece is 20~10, and aperture is 1/8 λ, on ridge positioning surface and substrate
The angle precision on surface is 10 " within.
As a further improvement, further including verification part；The verification part includes benchmark prism and benchmark four directions prism；Institute
It is isosceles right angle prism to state benchmark prism, and benchmark four directions prism optical cement passes through reinforcement on the inclined-plane of benchmark prism
Block reinforces connection；With after the cooperation of V-type locating slot, inclined-plane is higher by the top of positioning prism two right-angle surfaces of benchmark prism.
As a further improvement, three side finish of the benchmark prism are national standard three-level, 1/10 λ of surface aperture
Within, angular accuracy is 5 " within；The lower surface of benchmark four directions prism is bonded with the inclined-plane of benchmark prism, each angle essence
Degree is 5 " within, finish is national standard three-level, within 1/10 λ of surface aperture.
A kind of localization method of prism ridge rib, positions pentaprism using above-mentioned positioning tool, operation step
Suddenly it is：
One, verification part prepares
First a right-angle surface of benchmark prism is fitted on the workbench of angular instrument；Then, benchmark four directions prism
One rib is contacted with workbench, and moving reference four directions prism is close to the inclined-plane of benchmark prism, until it is glued, and generate interference
Striped；Then, it is observed by angular instrument, and finely tunes benchmark four directions prism, the side of benchmark four directions prism is made to be seen in angular instrument
The detection line examined is located at zero-bit；Finally, reinforcement block is installed by optical cement fixed；
Two, positioning tool assembles
1. taking a positioning prism, it is pressed against on the upper surface of substrate, generates interference fringe, and pass through optics
Glue glued adhesion；The right-angle surface and positioning prism inclined-plane optical cement that the benchmark prism of part will be verified, form interference fringe, then take
Another positioning prism, makes it be bonded simultaneously with another right-angle surface of the upper surface of substrate and benchmark prism, generates twice
Interference fringe, and positioning prism and base plate bonding are made by optical cement；Two positioning prisms form V-type locating slot；
2. first supporting block is glued at by optical cement on the upper surface of substrate；The ridge of ridge face locating piece is positioned again
The side optical cement in face and the benchmark four directions prism of verification part generates interference fringe, and by optical cement by ridge face locating piece
It is glued in supporting block on one side；
3. taking out verification part, the assembling of positioning tool is completed；
Three, pentaprism positions
First, it takes in the V-type locating slot that body is put into that two positioning prisms are formed, two right-angle surfaces and the V-type by body are fixed
Position slot groove face optical cement cooperation, forms and stablizes interference fringe；Then, pentaprism to be processed is placed on the upper surface of body, five
The pentagon face of prism with lean on body optical cement, and form interference fringe；Then, the side and ridge face for making pentaprism to be processed position
The ridge positioning surface optical cement of block coordinates, and forms interference fringe；Finally, pentaprism to be processed is taken out together with by body, i.e., it is complete
At the positioning of pentaprism.
As a further improvement, in the step 3, pentaprism to be processed is sent into oven together with after body taking-up,
It is heated 8~8.2 hours at a temperature of 92 DEG C~100 DEG C；After cooling, intersection along pentaprism and by body smear 417 glue into
Row is fixed.
A kind of processing method of prism ridge rib, operating procedure are：
One, pentaprism blank prepares
A pentaprism blank is taken, meets two pentagon face depth of parallelisms 5 " within, pentagon face is vertical with side
Precision is 5 " within, each face finish is in 80-50, and aperture is within 1/10 λ；
Two, pentaprism positions
Pentaprism blank to be processed is positioned using the localization method of above-mentioned prism ridge rib；
Three, the ridge face grinding of pentaprism
First, disk on body is leaned on, is glued on pallet on one side by the V-type bottom of body, the required ridge face being ground is made to be in water
Level state；Then, pentaprism is ground and is polished, be ground out a ridge face of pentaprism；When grinding, pallet under,
Pentaprism is sanded from top upper；When polishing, for pallet upper, pentaprism uses polishing powder solution to grind from below under
It cuts；
Four, another ridge face grinding of pentaprism
Step 2 and three is repeated, another ridge face of pentaprism is ground；After the completion of two ridge face grindings, hand over
Ridge rib is formed at boundary.
As a further improvement, in the step 3, grinding is divided into rough lapping and smooth grinding, and sand grains diameter exists when rough lapping
320~350 mesh are ground 78~82 revs/min of rotating speed, 8~10mm/min of feed speed；Sand grains diameter is 500~520 when smooth grinding
Mesh is ground 63~67 revs/min of rotating speed, 6~7mm/min of feed speed；Polishing is divided into rough polishing and fine polishing, when rough polishing,
It is ground using 400~460 mesh polishing powder circle swings, is ground 57~61 revs/min of rotating speed, and apply 5~6Kg pressure；Essence is thrown
Light time is ground using 500~550 mesh polishing powder circle swings, is ground 49~55 revs/min of rotating speed, and applies 3~3.5Kg pressures
Power.
3, advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) positioning tool of the utility model prism ridge rib aims at designed by pentaprism processing ridge rib positioning, passes through
Body is leaned in the V-type locating slots positioning that two positioning prisms are formed, one to pentaprism of the ridge positioning surface of ridge face locating piece
Rectangle sides and a pentagon bottom surface are accurately positioned, and one-time positioning can be ground a ridge face, by positioning twice
It can process two ridge faces, form ridge rib, and ensure the angle of ridge rib that two ridge faces have a common boundary side corresponding thereto
Precision is 30 " within；The tool locating is simple and quick, improves production efficiency.
(2) positioning tool of the utility model prism ridge rib, it is special to be equipped with a verification part, it can be assembled and calibrate positioning
Tooling ensures the precision that position to pentaprism of positioning tool, and the angular accuracy for meeting the side corresponding thereto of the ridge rib after processing exists
30 " requirement within.
(3) localization method of the utility model prism ridge rib, using positioning tool can efficiently, accurately by pentaprism light
Glue is simple to operate on body, requires worker's technology low.
(4) localization method of the utility model prism ridge rib, by taking out pentaprism to be processed together with by body
After be sent into oven, heated 8~8.2 hours at a temperature of 92 DEG C~100 DEG C, and intersection along pentaprism and by body smears 417
Glue is fixed, increase pentaprism and between body optical cement adhesion strength, can effectively avoid in grinding process pentaprism pine
It moves or falls, ensure grinding stability and precision.
(5) processing method of the utility model prism ridge rib is not influencing positioning tool to pentaprism positioning accuracy
Under the premise of, a pair of of ridge face is processed on the one side of pentaprism, and form ridge rib, can ensure ridge rib and its phase simultaneously
Angle precision is 30 between rectangle sides " within.
(6) due to grinding plane be horizontal plane, so grinding pentaprism ridge face when, need by ridge face be adjusted to
Horizontal plane is parallel, that is, the V-type bottom one side by body lower part is bonded on the table, this is also the effect by body, at this point, five
Prism and there is angle by body faying face and horizontal plane, when grinding and feeding has horizontal component to pentaprism, is easy to cause five
The loosening that prism is combined with by body, or even fall off；Therefore, inventor gropes to summarize by long-term practice, and grinding is divided into grinding
And polishing, and two procedures are all ground at twice, i.e. grinding is divided into rough lapping and smooth grinding, and polishing is also classified into rough polishing and essence is thrown
Light, and using being inverted grinding process, while sand when stringent control grinding and polishing powder grain size, grinding rotating speed, feed speed and
Pressure ensures that pentaprism with by the reliability of body optical cement, reaches the comprehensive of grinding speed, grinding surface surface smoothness and angle precision
It is very good to close effect.
Description of the drawings
Fig. 1 is the stereochemical structure view of pentaprism；
Fig. 2 is that pentaprism processes the stereochemical structure view behind ridge face；
Fig. 3 is the stereochemical structure view of the positioning tool of the utility model prism ridge rib；
The stereochemical structure view used for verifying part when Fig. 4 is the positioning tool assembling of prism ridge rib in the utility model；
Fig. 5 is the Status view for carrying out positioning assembling to the positioning tool of prism ridge rib using verification part；
Fig. 6 is the Status view for carrying out grinding positioning to pentaprism using the positioning tool of prism ridge rib.
In figure：1, substrate；2, prism is positioned；3, ridge face locating piece；4, supporting block；5, benchmark prism；6, benchmark
Cubic prism；7, reinforcement block；8, body is leaned on.
Specific implementation mode
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in figure 3, a kind of positioning tool of prism ridge rib of the present embodiment, is processed exclusively for the ridge rib of pentaprism
Designed by positioning, i.e., pentaprism semi-finished product shown in Fig. 1 is ground to cost shown in Fig. 2, there are two ridge face, handing-over to form room for tool
Ridge rib.The pentaprism requires the angle precision of ridge rib side corresponding thereto 30 " within, determined by the positioning tool
Position ensures machining accuracy, is illustrated below to the positioning tool structure.
The positioning tool of the present embodiment, including substrate 1, positioning prism 2, ridge face locating piece 3 and supporting block 4.Wherein,
It positions prism 2 and supporting block 4 is fixed on substrate 1, ridge face locating piece 3 is fixed in supporting block 4；Positioning prism 2 is
Isosceles right angle prism, ridge face locating piece 3 and supporting block 4 are four prisms.
It positions there are two the tools of prism 2, is oppositely arranged on substrate 1, right-angle surface is contacted with substrate 1, the scarf of the two
At V-type locating slot；Supporting block 4 is located at the side of positioning prism 2, is vertically arranged on substrate 1, and its lower face passes through optics
On glue glued adhesion to substrate 1；And ridge face locating piece 3 is located at 2 top of positioning prism, with ridge positioning surface, ridge positioning
Face is perpendicular to the end face of positioning prism 2, and ridge positioning surface is perpendicular to the upper surface of substrate 1, and the one side of ridge face locating piece 3
It is glued in supporting block 4 by optical cement.
It should be noted that due to positioning accuracy request height, the required precision of ridge rib after following process, institute just can guarantee
It is also relatively high with the required precision to each component of positioning tool itself.Specifically, it is desirable that the finish of 1 upper surface of substrate be 40~
20, surface aperture is within 1/8 λ；Each angular accuracy of prism 2 is positioned 10 " within, surface smoothness is 20~10, aperture
Within 1/8 λ, V-type locating slot angle precision is 10 " within；Each face of ridge face locating piece 3, including ridge positioning surface finish
It is 20~10, aperture is within 1/8 λ, and the angle precision of ridge positioning surface and 1 upper surface of substrate is 10 " within.
In the present embodiment, the finish of 1 upper surface of substrate is 30, and surface aperture is 1/8 λ；Position each angle essence of prism 2
Degree is 10 ", surface smoothness 15,1/8 λ of aperture, V-type locating slot angle precision is 10 " within；The room of ridge face locating piece 3
Ridge positioning surface finish is 15, and aperture is 1/8 λ, and the angle precision of ridge positioning surface and 1 upper surface of substrate is 10 " within.
The positioning tool of the present embodiment prism ridge rib aims at designed by pentaprism processing ridge rib positioning, passes through two
It positions the V-type locating slot positioning that prism 2 is formed and leans on body 8, the square of the ridge positioning surface of ridge face locating piece 3 to pentaprism
Shape side and a pentagon bottom surface are accurately positioned, and one-time positioning can be ground a ridge face, by positioning twice i.e.
It can process two ridge faces, form ridge rib, and ensure the angle essence of ridge rib that two ridge faces have a common boundary side corresponding thereto
Degree is 30 " within；The tool locating is simple and quick, improves production efficiency.
From the foregoing, it will be observed that the positioning tool required precision of prism ridge rib is very high, this proposes its each positioning parts assembling
Very high requirement, thus the present embodiment specially devise verification part, be used for the assembling of positioning tool, can meet
State required precision.As shown in figure 4, verification part includes mainly benchmark prism 5 and benchmark four directions prism 6；Wherein, benchmark prism
5 be isosceles right angle prism, and for 6 optical cement of benchmark four directions prism on the inclined-plane of benchmark prism 5, benchmark four directions prism 6 is positive six
Cube.Benchmark prism 5 is matched with the V-type locating slot that two positioning prisms 2 are formed, a side of benchmark four directions prism 6
Face coordinates as detection faces, detection faces and the ridge positioning surface of ridge face locating piece 3.Two right-angle surfaces and V of benchmark prism 5
After the cooperation of type locating slot, inclined-plane is higher by 2 top of positioning prism, avoids interfering.
Because optical cement combines between benchmark prism 5 and benchmark four directions prism 6, in order to increase reliability, set therebetween
Reinforcement block 7 is set, bonding strength is increased.
The verification part is as standard, to its required precision higher.For this purpose, three side finish of benchmark prism 5
For national standard three-level, within 1/10 λ of surface aperture, angular accuracy is 5 " within；The lower surface of benchmark four directions prism 6 and benchmark prism
5 inclined-plane fitting, each angular accuracy of benchmark four directions prism 6 is 5 " within, each face finish is national standard three-level, surface aperture 1/10
Within λ.
The verification part can be assembled and calibrate positioning tool, ensure the precision that positioning tool positions pentaprism, meet processing
The angular accuracy of the side corresponding thereto of ridge rib afterwards is 30 " within requirement.
Embodiment 2
The present embodiment provides a kind of localization methods of prism ridge rib, using the positioning tool in embodiment 1 in pentaprism
It is positioned before processing ridge rib, operating procedure is as follows：
One, verification part prepares
The precision of verification part directly determines that the assembly precision of positioning tool, key need to ensure benchmark four directions prism 6
The inclined-plane vertical precision of detection faces and benchmark prism 5 is 5 " within.For this purpose, using the second grade optical angle gauge to verification part into
Row assembling.
When assembling, first a right-angle surface of benchmark prism 5 is fitted on the workbench of angular instrument；Then, benchmark four
One rib of square glass prism 6 is contacted with workbench, and moving reference four directions prism 6 is close to the inclined-plane of benchmark prism 5, until glue
It closes, and generates interference fringe；Then, it is observed by angular instrument, and finely tunes benchmark four directions prism 6, make the side of benchmark four directions prism 6
The detection line that face is observed in angular instrument is located at zero-bit；Finally, reinforcement block 7 is installed by optical cement fixed.Using this
Kind mode, can quickly position benchmark prism 5 and benchmark four directions prism 6, and fine tuning number drops at least.
Two, positioning tool assembles
1. taking a positioning prism 2, it is pressed against on the upper surface of substrate 1, generates interference fringe, and pass through light
Learn glue glued adhesion；The right-angle surface and positioning 2 inclined-plane optical cement of prism that the benchmark prism 5 of part will be verified, form interference fringe,
It takes another to position prism 2 again, it is made to be bonded simultaneously with another right-angle surface of the upper surface of substrate 1 and benchmark prism 5, produce
Raw twice interference fringe, and keep positioning prism 2 glued with substrate 1 by optical cement；Two positioning prisms 2 form V-type
Locating slot；
2. first by supporting block 4 by optical cement gluing on the top surface of the substrate 1 on；Again by the ridge of ridge face locating piece 3
The side optical cement of positioning surface and the benchmark four directions prism 6 of verification part, generates interference fringe, and position ridge face by optical cement
Block 3 is glued on one side in supporting block 4；
3. taking out verification part, the assembling of positioning tool is completed.
The matching relationship for verifying part and positioning tool is as shown in Figure 5.
Three, pentaprism position
As shown in fig. 6, first, taking in the V-type locating slot that body 8 is put into that two positioning prisms 2 are formed, depending on the two of body 8
Right-angle surface coordinates with V-type locating slot groove face optical cement, is formed and stablizes interference fringe；Then, pentaprism to be processed is placed on by body 8
Upper surface on, the pentagon face of pentaprism with lean on 8 optical cement of body, and form interference fringe；Then, make the side of pentaprism to be processed
Face and the ridge positioning surface optical cement of ridge face locating piece 3 coordinate, and form interference fringe；Finally, by pentaprism to be processed together with by
Body 8 takes out together, that is, completes the positioning of pentaprism.
It should be noted that in above-mentioned steps three, pentaprism to be processed is roasting together with being sent into after the taking-up of body 8
Case heats 8~8.2 hours at a temperature of 92 DEG C~100 DEG C；After cooling, the intersection along pentaprism and by body 8 smears 417 glue
Water is fixed, increase pentaprism and between body 8 optical cement adhesion strength, can effectively avoid in grinding process pentaprism and loosen
Or fall, ensure grinding stability and precision.
Using above-mentioned localization method can efficiently, accurately by pentaprism optical cement on body 8, it is simple to operate, to work
People's technology requires low.
Embodiment 3
The present embodiment provides a kind of processing methods of prism ridge rib, for being processed into semi-finished product pentaprism shown in Fig. 1
Finished product pentaprism shown in Fig. 2, i.e. two ridge faces of grinding, boundary forms ridge rib, and ensures ridge rib corresponding thereto
Rectangle sides between angle precision be difficult to reach 30 " within.The concrete operation step of this method is：
One, pentaprism blank prepares
A pentaprism blank is taken, meets two pentagon face depth of parallelisms 5 " within, pentagon face is vertical with side
Precision is 5 " within, each face finish is in 80-50, and aperture is within 1/10 λ.
Two, pentaprism row positions
Pentaprism blank to be processed is positioned using the method for embodiment 2, and pentaprism to be processed exists together with by body 8
Heating temperature is 92 DEG C in oven, and the time is 8.2 hours.
Three, the ridge face grinding of pentaprism
First, disk on body is leaned on, is glued on pallet on one side by the V-type bottom of body 8, the required ridge face being ground is made to be in water
Level state；Then, pentaprism is ground and is polished, be ground out a ridge face of pentaprism；When grinding, pallet under,
Pentaprism is sanded from top upper；When polishing, for pallet upper, pentaprism uses polishing powder solution to grind from below under
It cuts.
In this step, rough lapping and smooth grinding, sand grains diameter is ground 78 revs/min of rotating speed, feeding in 320 mesh when rough lapping
Speed 8mm/min；Sand grains diameter is ground 63 revs/min of rotating speed, feed speed 6mm/min in 500 mesh when smooth grinding；Polishing is divided into
Rough polishing and fine polishing when rough polishing, are ground using 400 mesh polishing powder circle swings, are ground 57 revs/min of rotating speed, and apply
5Kg pressure；It when finishing polish, is ground using 500 mesh polishing powder circle swings, is ground 49 revs/min of rotating speed, and apply 3Kg pressure.
Four, another ridge face grinding of pentaprism
Step 2 and three is repeated, another ridge face of pentaprism is ground；After the completion of two ridge face grindings, hand over
Ridge rib is formed at boundary.
The method can be ground in batches, and angle is surveyed between the side of the ridge rib of pentaprism after grinding corresponding thereto
Amount, as a result angle precision is 30 " within, reach design requirement.
Embodiment 4
It is substantially the same manner as Example 3 the present embodiment provides a kind of processing method of prism ridge rib, except that：Step
In rapid two, for pentaprism to be processed together with by body 8, heating temperature is 100 DEG C in oven, the time is 8 hours；In step 3, grinding
It is divided into rough lapping and smooth grinding, sand grains diameter is ground 80 revs/min of rotating speed, feed speed 9mm/min in 340 mesh when rough lapping；Essence
Sand grains diameter is ground 65 revs/min of rotating speed, feed speed 6.5mm/min in 510 mesh when grinding；Polishing is divided into rough polishing and essence is thrown
Light when rough polishing, is ground using 450 mesh polishing powder circle swings, is ground 59 revs/min of rotating speed, and apply 5.5Kg pressure；Essence
It when polishing, is ground using 530 mesh polishing powder circle swings, is ground 52 revs/min of rotating speed, and apply 3.3Kg pressure.
Angle measures between the side of the ridge rib of pentaprism after grinding corresponding thereto, and as a result angle precision exists
30 " within, reach design requirement.
Embodiment 5
It is substantially the same manner as Example 3 the present embodiment provides a kind of processing method of prism ridge rib, except that：Step
In rapid two, for pentaprism to be processed together with by body 8, heating temperature is 95 DEG C in oven, the time is 8.1 hours；In step 3, grind
Mill is divided into rough lapping and smooth grinding, and sand grains diameter is ground 82 revs/min of rotating speed, feed speed 10mm/ in 350 mesh when rough lapping
min；Sand grains diameter is ground 67 revs/min of rotating speed, feed speed 7mm/min in 520 mesh when smooth grinding；Polishing be divided into rough polishing and
Finishing polish when rough polishing, is ground using 460 mesh polishing powder circle swings, is ground 61 revs/min of rotating speed, and apply 6Kg pressure；
It when finishing polish, is ground using 550 mesh polishing powder circle swings, is ground 55 revs/min of rotating speed, and apply 3.5Kg pressure.
Angle measures between the side of the ridge rib of pentaprism after grinding corresponding thereto, and as a result angle precision exists
30 " within, reach design requirement.
Example described in the utility model is only that preferred embodiments of the present invention are described, not to this reality
It is defined with novel conception and scope, under the premise of not departing from the design concept of the utility model, this field engineering technology people
The various modifications and improvement that member makes the technical solution of the utility model, should all fall into the scope of protection of the utility model.
Claims (6)
1. a kind of positioning tool of prism ridge rib, including substrate (1), positioning prism (2), it is characterised in that：It further include room
Crestal surface locating piece (3)；There are two positioning prism (2) tools, is oppositely arranged on substrate (1), and form V-type locating slot；
Ridge face locating piece (3) is set to above positioning prism (2), with ridge positioning surface, ridge positioning surface perpendicular to
Position the end face of prism (2), upper surface of the ridge positioning surface perpendicular to substrate (1).
2. a kind of positioning tool of prism ridge rib according to claim 1, it is characterised in that：Further include supporting block (4)；
The supporting block (4) is located at the side of positioning prism (2), and lower end is glued to by optical cement on substrate (1)；The ridge
Face locating piece (3) is fixed in supporting block (4).
3. a kind of positioning tool of prism ridge rib according to claim 2, it is characterised in that：The positioning prism
(2) it is isosceles right angle prism, ridge face locating piece (3) and supporting block (4) are four prisms.
4. a kind of positioning tool of prism ridge rib according to claim 3, it is characterised in that：Substrate (1) upper table
The finish in face is 40~20, and surface aperture is 1/8 λ；Each angular accuracy of the positioning prism (2) is 10 " within, surface light
Cleanliness is 20~10, and aperture is 1/8 λ, and V-type locating slot angle precision is 10 " within；The ridge of ridge face locating piece (3)
Positioning surface finish is 20~10, and aperture is 1/8 λ, and the angle precision of ridge positioning surface and substrate (1) upper surface is 10 " within.
5. a kind of positioning tool of prism ridge rib according to claim 4, it is characterised in that：It further include verification part；Institute
It includes benchmark prism (5) and benchmark four directions prism (6) to state verification part；The benchmark prism (5) is isosceles right angle prism,
Benchmark four directions prism (6) optical cement passes through reinforcement block (7) and reinforces connection on the inclined-plane of benchmark prism (5)；Benchmark prism
(5) with after the cooperation of V-type locating slot, inclined-plane is higher by the top of positioning prism (2) two right-angle surfaces.
6. a kind of positioning tool of prism ridge rib according to claim 5, it is characterised in that：The benchmark prism
(5) three side finish are national standard three-level, and within 1/10 λ of surface aperture, angular accuracy is 5 " within；The benchmark Square-edge
The lower surface of mirror (6) is bonded with the inclined-plane of benchmark prism (5), and each angle precision is 5 " within, finish is national standard three-level,
Within 1/10 λ of surface aperture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820464897.7U CN208005362U (en) | 2018-03-30 | 2018-03-30 | A kind of positioning tool of prism ridge rib |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820464897.7U CN208005362U (en) | 2018-03-30 | 2018-03-30 | A kind of positioning tool of prism ridge rib |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274340A (en) * | 2018-03-30 | 2018-07-13 | 马鞍山市江南光学有限公司 | A kind of positioning tool of prism ridge rib and its positioning and processing method |
| CN109249296A (en) * | 2018-11-06 | 2019-01-22 | 西安北方光电科技防务有限公司 | Small-bore prism of corner cube optical manufacturing method |
| CN109807696A (en) * | 2019-04-08 | 2019-05-28 | 苏州大学 | A kind of processing method of low centering error meniscus lens |
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2018
- 2018-03-30 CN CN201820464897.7U patent/CN208005362U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274340A (en) * | 2018-03-30 | 2018-07-13 | 马鞍山市江南光学有限公司 | A kind of positioning tool of prism ridge rib and its positioning and processing method |
| CN109249296A (en) * | 2018-11-06 | 2019-01-22 | 西安北方光电科技防务有限公司 | Small-bore prism of corner cube optical manufacturing method |
| CN109249296B (en) * | 2018-11-06 | 2023-06-13 | 西安北方光电科技防务有限公司 | Optical processing method for small-caliber pyramid prism |
| CN109807696A (en) * | 2019-04-08 | 2019-05-28 | 苏州大学 | A kind of processing method of low centering error meniscus lens |
| CN109807696B (en) * | 2019-04-08 | 2020-11-03 | 苏州大学 | Method for processing low-eccentricity meniscus lens |
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