CN113715358A - Method for 3D printing of shell sample on disinfection robot - Google Patents
Method for 3D printing of shell sample on disinfection robot Download PDFInfo
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- CN113715358A CN113715358A CN202111053750.1A CN202111053750A CN113715358A CN 113715358 A CN113715358 A CN 113715358A CN 202111053750 A CN202111053750 A CN 202111053750A CN 113715358 A CN113715358 A CN 113715358A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010146 3D printing Methods 0.000 title claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 14
- 238000007639 printing Methods 0.000 claims abstract description 128
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000005516 engineering process Methods 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 16
- 239000003365 glass fiber Substances 0.000 claims description 16
- 239000004677 Nylon Substances 0.000 claims description 15
- 229920001778 nylon Polymers 0.000 claims description 15
- 238000003801 milling Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 238000000110 selective laser sintering Methods 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012827 research and development Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a method for 3D printing of a shell sample on a disinfection robot, and relates to the field of disinfection robot parts. The method comprises the following steps that firstly, according to the structural characteristics of an upper shell sample piece, the sample piece is split into an upper shell sample piece main body, a handle insert, a connecting pipe insert, a display screen supporting insert A, a display screen supporting insert B and an indicator lamp insert; according to the invention, the side wall of the shell sample piece main body is printed by adopting single-wall spiral printing, so that single lines can be printed and formed, the appearance lines are uniform, the size precision is high, and the bonding force between layers is good; when the main part top was printed the first layer, main part lateral wall top preheated to 200 ℃, can prevent that main part lateral wall top from cooling down when covering the net, lead to main part lateral wall and main part top bonding insecure, adopt two materials to support to print shell appearance top, the accessible prints supplementary supporting material earlier, realizes printing of unsettled piece, realizes that complicated part prints.
Description
Technical Field
The invention relates to the field of disinfection robot parts, in particular to a method for 3D printing of a shell sample on a disinfection robot.
Background
In the product development process, the production of product samples is the most direct and effective way for verifying the product feasibility, finding out the product design defects and carrying out targeted improvement.
The utility model provides a great type public place disinfection epidemic prevention robot's last shell, need make the function sample piece and verify the product, shorten development cycle, put the product into market fast, adopt traditional glass steel or injection moulding technology, the last shell function sample piece of preparation disinfection robot all needs the die sinking, the supporting mould of design, examine the utensil, there are research and development cost high, shortcomings such as technology development cycle length, simultaneously, because of prototype sample piece preparation volume is few, after handing over the appearance and accomplishing, corresponding moulds, examine frock such as utensil and scrap promptly, there are phenomena such as serious waste.
Disclosure of Invention
Based on the above, the invention aims to provide a method for 3D printing of a sample piece of an upper shell of a disinfection robot, which aims to solve the technical problems that the mold opening is needed for sample piece manufacturing, the matched mold and detection tool are designed, the research and development cost is high, the process development period is long, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a method for 3D printing of a shell sample on a disinfection robot comprises the following steps,
the method comprises the following steps that firstly, according to the structural characteristics of an upper shell sample piece, the sample piece is split into an upper shell sample piece main body, a handle insert, a connecting pipe insert, a display screen support insert A, a display screen support insert B and an indicator lamp insert;
secondly, printing the large-sized granular material 3D printer by using a fused deposition FDM (fused deposition FDM) technology according to the characteristics of the upper shell sample piece main body in the step one and the characteristics of the existing molding technology;
thirdly, printing the nylon 3D printer by using a selective laser sintering technology according to the characteristics of the handle insert, the connecting pipe insert, the display screen support insert A, the display screen support insert B and the indicator lamp insert in the step one and the characteristics of the existing molding technology;
after the upper shell sample piece main body is printed, milling the outer surface of the upper shell sample piece main body by utilizing five-axis milling equipment;
fifthly, after the handle insert, the connecting pipe insert, the display screen support insert A, the display screen support insert B and the indicator lamp insert are printed, and after the AB glue is used for bonding during installation, the wood screw is used for reinforcement;
and step six, finishing and painting after integral forming.
By adopting the technical scheme, the sample piece is printed by the printing technology without arranging a mould, so that the research and development cost is reduced, the process period is shortened, and the resource is saved.
Further, the printing process in the second step is divided into two procedures of the side wall and the top of the main body, the joint of the two procedures is covered with the glass fiber gridding cloth, the top of the main body is supported by the glass fiber gridding cloth for printing, and when the top of the main body is printed on the first layer, the top layer of the side wall of the main body is preheated to 200 ℃.
Through adopting above-mentioned technical scheme, main part lateral wall top layer cooling when can preventing to cover the net leads to main part lateral wall and main part top bonding insecure.
Further, the printing parameters of the side wall of the main body are set as follows: selecting single-wall spiral printing, wherein the caliber of a nozzle is as follows: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220-235 ℃, printing speed: 50-65 mm/s.
Through adopting above-mentioned technical scheme, adopt single-walled spiral printing to go up shell sample spare main part lateral wall, can make the single line strip print the shaping, the outward appearance lines are even, and size precision is high, and the adhesion is good between every layer.
Further, the printing parameter setting of the top of the main body is as follows: the double-material supporting printing and the main material printing parameter setting are as follows: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220-235 ℃, printing speed: 30-45 mm/s, setting of printing parameters of auxiliary supporting materials: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, the printing temperature is: 170-190 ℃, printing speed: 30-45 mm/s.
Through adopting above-mentioned technical scheme, adopt two materials to support and print shell sample top, the accessible prints supplementary supporting material earlier, realizes the printing of unsettled piece, realizes that complicated part prints.
Further, the meshes of the glass fiber mesh cloth are 5 mm.
Further, the nylon powder selective laser sintering printing technology described in the third step adopts a printing material PA12, and the printing layer thickness is 110 μm.
By adopting the technical scheme, the manufacturing process is simple, the forming speed is improved, and the size accuracy is improved.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the side wall of the shell sample piece main body is printed by adopting single-wall spiral printing, so that single lines can be printed and formed, the appearance lines are uniform, the size precision is high, and the bonding force between layers is good; when the top of the main body is printed as a first layer, the top layer of the side wall of the main body is preheated to 200 ℃, so that the problem that the top layer of the side wall of the main body is cooled during screen covering, the side wall of the main body is not firmly bonded with the top of the main body can be prevented, the top of the shell sample piece is printed by adopting double-material support, the printing of a suspended piece can be realized by printing an auxiliary support material first, and the printing of a complex part can be realized; handle inserts is printed to nylon 3D printer through selectivity laser sintering technique, takes over the inserts, and the display screen supports inserts A, and the display screen supports inserts B, the pilot lamp inserts, and manufacturing process is simple, and the shaping is fast, and the size is accurate, prints the appearance piece through printing technique, need not to set up the mould, has reduced the research and development cost, has shortened process cycle, is favorable to resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of an upper shell sample piece according to the present invention;
FIG. 2 is a schematic structural view of the auxiliary supporting material of the present invention;
fig. 3 is a schematic view of a stacked printing structure of the main body sidewall according to the present invention.
In the figure: 1. go up shell sample spare main part, 2, main part top, 3, glass fiber net check cloth, 4, main part lateral wall, 5, heat bed, 6, auxiliary stay material 6, 7, take over the inserts, 8, display screen support inserts A, 9, display screen support inserts B, 10, pilot lamp inserts, 11, handle inserts, 12, beat printer head.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
Example one
A method for 3D printing of a shell sample on a disinfection robot comprises the following steps,
firstly, according to the structural characteristics of an upper shell sample piece, splitting the sample piece into an upper shell sample piece main body 1, a handle insert 11, a connecting pipe insert 7, a display screen supporting insert A8, a display screen supporting insert B8 and an indicator light insert 10;
secondly, printing the large-sized granular material 3D printer by using a fused deposition FDM (fused deposition FDM) technology according to the characteristics of the upper shell sample piece main body 1 in the step one and the characteristics of the existing molding technology;
thirdly, according to the characteristics of the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8, the display screen supporting insert B8 and the indicator light insert 10 in the first step, the nylon 3D printer of the selective laser sintering technology is used for printing the nylon 3D printer by combining the characteristics of the existing molding technology;
after the upper shell sample piece main body 1 is printed, milling the outer surface of the upper shell sample piece main body 1 by utilizing five-axis milling equipment;
fifthly, after the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8 and the display screen supporting insert B8 are printed and are adhered by AB glue during installation, the indicating lamp insert 10 is reinforced by a woodwork screw;
and step six, finishing and painting after integral forming.
By adopting the technical scheme, the sample piece is printed by the printing technology without arranging a mould, so that the research and development cost is reduced, the process period is shortened, and the resource is saved.
Furthermore, the printing process in the second step is divided into two programs, namely a main body side wall 4 and a main body top 2, the joint of the two programs is covered with the glass fiber gridding cloth 3, the meshes of the glass fiber gridding cloth 3 are 5mm, the printing of the main body top 2 is supported by means of the glass fiber gridding cloth 3, when the main body top 2 is printed on the first layer, the top layer of the main body side wall 4 is preheated to 200 ℃, and the problem that the main body side wall and the main body top are bonded firmly due to the fact that the top layer of the main body side wall is cooled when the net is covered can be solved.
Further, the printing parameters of the body side wall 4 are set as follows: selecting single-wall spiral printing, wherein the caliber of a nozzle is as follows: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220 ℃, printing speed: 50mm/s, adopt single-walled spiral printing to go up shell sample spare main part lateral wall, can make the single line print the shaping, the outward appearance line is even, and size precision is high, and the adhesion between every layer is good.
Further, the printing parameters of the top 2 of the shell sample piece main body are set as follows: the double-material supporting printing and the main material printing parameter setting are as follows: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220 ℃, printing speed: 30mm/s, setting of printing parameters of the auxiliary supporting material 6: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, the printing temperature is: 170 ℃, printing speed: 30mm/s, adopt two material support to print the top of shell exemplar, the accessible prints supplementary support material 6 earlier, realizes the printing of unsettled piece, realizes that complicated part prints.
Furthermore, the printing material adopted by the nylon powder selective laser sintering printing technology in the third step is PA12, and the printing layer is 110 μm thick, so that the manufacturing process is simple, the forming speed is improved, and the size accuracy is improved.
Example two
A method for 3D printing of a shell sample on a disinfection robot comprises the following steps,
firstly, according to the structural characteristics of an upper shell sample piece, splitting the sample piece into an upper shell sample piece main body 1, a handle insert 11, a connecting pipe insert 7, a display screen supporting insert A8, a display screen supporting insert B8 and an indicator light insert 10;
secondly, printing the large-sized granular material 3D printer by using a fused deposition FDM (fused deposition FDM) technology according to the characteristics of the upper shell sample piece main body 1 in the step one and the characteristics of the existing molding technology;
thirdly, according to the characteristics of the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8, the display screen supporting insert B8 and the indicator light insert 10 in the first step, the nylon 3D printer of the selective laser sintering technology is used for printing the nylon 3D printer by combining the characteristics of the existing molding technology;
after the upper shell sample piece main body 1 is printed, milling the outer surface of the upper shell sample piece main body 1 by utilizing five-axis milling equipment;
fifthly, after the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8 and the display screen supporting insert B8 are printed and are adhered by AB glue during installation, the indicating lamp insert 10 is reinforced by a woodwork screw;
and step six, finishing and painting after integral forming.
By adopting the technical scheme, the sample piece is printed by the printing technology without arranging a mould, so that the research and development cost is reduced, the process period is shortened, and the resource is saved.
Furthermore, the printing process in the second step is divided into two programs, namely a main body side wall 4 and a main body top 2, the joint of the two programs is covered with the glass fiber gridding cloth 3, the meshes of the glass fiber gridding cloth 3 are 5mm, the printing of the main body top 2 is supported by means of the glass fiber gridding cloth 3, when the main body top 2 is printed on the first layer, the top layer of the main body side wall 4 is preheated to 200 ℃, and the problem that the main body side wall and the main body top are bonded firmly due to the fact that the top layer of the main body side wall is cooled when the net is covered can be solved.
Further, the printing parameters of the body side wall 4 are set as follows: selecting single-wall spiral printing, wherein the caliber of a nozzle is as follows: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 228 ℃, printing speed: 58mm/s, adopt single-walled spiral printing to go up shell sample spare main part lateral wall, can make the single line print the shaping, the outward appearance line is even, and size precision is high, and the adhesion between every layer is good.
Further, the printing parameters of the top 2 of the shell sample piece main body are set as follows: the double-material supporting printing and the main material printing parameter setting are as follows: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 228 ℃, printing speed: 38mm/s, auxiliary support material 6 printing parameter setting: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, the printing temperature is: 180 ℃, printing speed: 38mm/s, adopt two material support to print the top of shell sample spare, the accessible prints supplementary support material 6 earlier, realizes the printing of unsettled spare, realizes that complicated part prints.
Furthermore, the printing material adopted by the nylon powder selective laser sintering printing technology in the third step is PA12, and the printing layer is 110 μm thick, so that the manufacturing process is simple, the forming speed is improved, and the size accuracy is improved.
EXAMPLE III
A method for 3D printing of a shell sample on a disinfection robot comprises the following steps,
firstly, according to the structural characteristics of an upper shell sample piece, splitting the sample piece into an upper shell sample piece main body 1, a handle insert 11, a connecting pipe insert 7, a display screen supporting insert A8, a display screen supporting insert B8 and an indicator light insert 10;
secondly, printing the large-sized granular material 3D printer by using a fused deposition FDM (fused deposition FDM) technology according to the characteristics of the upper shell sample piece main body 1 in the step one and the characteristics of the existing molding technology;
thirdly, according to the characteristics of the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8, the display screen supporting insert B8 and the indicator light insert 10 in the first step, the nylon 3D printer of the selective laser sintering technology is used for printing the nylon 3D printer by combining the characteristics of the existing molding technology;
after the upper shell sample piece main body 1 is printed, milling the outer surface of the upper shell sample piece main body 1 by utilizing five-axis milling equipment;
fifthly, after the handle insert 11, the connecting pipe insert 7, the display screen supporting insert A8 and the display screen supporting insert B8 are printed and are adhered by AB glue during installation, the indicating lamp insert 10 is reinforced by a woodwork screw;
and step six, finishing and painting after integral forming.
By adopting the technical scheme, the sample piece is printed by the printing technology without arranging a mould, so that the research and development cost is reduced, the process period is shortened, and the resource is saved.
Furthermore, the printing process in the second step is divided into two programs, namely a main body side wall 4 and a main body top 2, the joint of the two programs is covered with the glass fiber gridding cloth 3, the meshes of the glass fiber gridding cloth 3 are 5mm, the printing of the main body top 2 is supported by means of the glass fiber gridding cloth 3, when the main body top 2 is printed on the first layer, the top layer of the main body side wall 4 is preheated to 200 ℃, and the problem that the main body side wall and the main body top are bonded firmly due to the fact that the top layer of the main body side wall is cooled when the net is covered can be solved.
Further, the printing parameters of the body side wall 4 are set as follows: selecting single-wall spiral printing, wherein the caliber of a nozzle is as follows: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 235 ℃, printing speed: 65mm/s, adopt single-walled spiral to print the main body lateral wall of the upper shell sample, can make the single line print the shaping, the outward appearance line is even, and size precision is high, and the adhesion between every layer is good.
Further, the printing parameters of the top 2 of the shell sample piece main body are set as follows: the double-material supporting printing and the main material printing parameter setting are as follows: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 235 ℃, printing speed: 45mm/s, setting of printing parameters of the auxiliary supporting material 6: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, the printing temperature is: 190 ℃, printing speed: 45mm/s, adopt two material support to print shell sample top, the accessible prints supplementary support material 6 earlier, realizes the printing of unsettled piece, realizes that complicated part prints.
Furthermore, the printing material adopted by the nylon powder selective laser sintering printing technology in the third step is PA12, and the printing layer is 110 μm thick, so that the manufacturing process is simple, the forming speed is improved, and the size accuracy is improved.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.
Claims (6)
1. A method for 3D printing of a shell sample on a disinfection robot is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps that firstly, according to the structural characteristics of an upper shell sample piece, the sample piece is split into an upper shell sample piece main body (1), a handle insert (11), a connecting pipe insert (7), a display screen supporting insert A (8), a display screen supporting insert B (8) and an indicator lamp insert (10);
secondly, printing the large-sized granular material 3D printer by using a fused deposition FDM technology according to the characteristics of the upper shell sample piece main body (1) in the step one and the characteristics of the existing molding technology;
thirdly, according to the characteristics of the handle insert (11), the connecting pipe insert (7), the display screen supporting insert A (8), the display screen supporting insert B (8) and the indicator light insert (10) in the first step, the characteristics of the existing molding technology are combined, and a nylon 3D printer of a selective laser sintering technology is used for printing the nylon 3D insert;
after the upper shell sample piece main body (1) is printed, milling the outer surface of the upper shell sample piece main body (1) by utilizing five-axis milling equipment;
fifthly, after the handle insert (11), the connecting pipe insert (7), the display screen supporting insert A (8), the display screen supporting insert B (8) and the indicator light insert (10) are printed, and after the AB glue is used for bonding during installation, the wood screws are used for reinforcement;
and step six, finishing and painting after integral forming.
2. The method of 3D printing a sterile robot upper shell sample according to claim 1, wherein: the printing process in the second step is divided into two programs, namely a main body side wall (4) and a main body top (2), wherein the joint of the two programs is covered with the glass fiber gridding cloth (3), the printing of the main body top (2) is supported by means of the glass fiber gridding cloth (3), and when the main body top (2) is printed on the first layer, the top layer of the main body side wall (4) is preheated to 200 ℃.
3. The method of 3D printing a sterile robot upper shell sample according to claim 2, wherein: -printing parameter settings of the body side wall (4): selecting single-wall spiral printing, wherein the caliber of a nozzle is as follows: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220-235 ℃, printing speed: 50-65 mm/s.
4. The method of 3D printing a sterile robot upper shell sample according to claim 2, wherein: setting the printing parameters of the top (2) of the shell sample piece main body: the double-material supporting printing and the main material printing parameter setting are as follows: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, temperature of the soleplate: 130 ℃, the printing temperature is: 220-235 ℃, printing speed: 30 ~ 45mm/s, supplementary support material (6) print parameter setting: nozzle caliber: 6mm, printing line width: 8mm, print layer height: 2.5mm, the printing temperature is: 170-190 ℃, printing speed: 30-45 mm/s.
5. The method of 3D printing a sterile robot upper shell sample according to claim 2, wherein: the meshes of the glass fiber mesh cloth (3) are 5 mm.
6. The method of 3D printing a sterile robot upper shell sample according to claim 1, wherein: the nylon powder selective laser sintering printing technology in the third step adopts a printing material PA12, and the printing layer is 110 μm thick.
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Application publication date: 20211130 |