3D printing method for medical CT machine collimator
A technology of 3D printing and machine collimator, which is applied in the fields of radiological diagnostic instruments, applications, medical science, etc., can solve the problems of lack of processing accuracy, high scrap rate, stability maintenance, etc., to reduce cooling Stress, enhanced stability, reduced deformation effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0031] 3D printing method for pure tungsten medical CT case, including the following steps:
[0032] S1, see figure 1 As shown, the 3D model of the collimator is established using a 3D modeling software UG. Through the software draws out the contour of the collimator, set the mounting hole at both ends of the contour, set the mounting hole on the right to the positioning hole, set in the outline Uniformly arranged ribs, according to figure 2 The data in the data sets each rib to the position of the positioning hole;
[0033] S2, the 3D model of the collimator is slightly processed, and the model of the collimator is slightly subjected to slice through software SIMPLIFY3DV3.0, and the layer thickness parameter of the slice is 0.05 mm;
[0034] S3, start the 3D printer for printing, set the printer's fill scan power: 440-460W; fill scan speed: 500-550mm / s; fill scan line gap: 0.05mm; contour scan power: 320-330W; contour scan speed: 600mm / S; Magnifier / size: 8 × 8; Chessboard s...
Embodiment 2
[0038]Example 1 In step S1, S2, S3, S5, same basis, a step S4 converts Example 1, in particular: to print out a collimator heat treatment: The printed from the print collimator immediately after the cartridge into the experimental furnace taken in the first test under a hydrogen atmosphere furnace temperature was rapidly raised to 550 deg.] C, then subjected to heat treatment 1.5h, kept at 550 deg.] C, performed after 1.5h at 105 ℃ h speed / uniform cooling, incubated for 1h when the furnace temperature was reduced to 400 ℃, and then cooled at the same rate to 300 ℃, incubated 1h at this temperature, after incubation, then to 150 ℃ h speed / continue to cool to 150 ℃ , then at this temperature after incubation IH, cooled to room temperature in the final heat treatment step to complete the collimator, the collimator to obtain the finished product.
Embodiment 3
[0040] Example 1 In step S1, S2, S3, S5, same basis, a step S4 converts Example 1, in particular: to print out a collimator heat treatment: The printed from the print collimator immediately after the cartridge into the experimental furnace taken in the first test under a hydrogen atmosphere furnace temperature was rapidly raised to 450 ℃, then heat treated at 450 deg.] C for 2.5h, 2.5h after incubation at 95 ℃ h uniform speed speed / cooling, the furnace temperature was reduced to 400 deg.] C when incubated for 1h, and then cooled at the same rate to 300 ℃, incubated 1h at this temperature, after incubation, then to 150 ℃ h speed / continue to cool to 150 deg.] C, after incubation at this temperature and then IH, cooled to room temperature in the final heat treatment step to complete the collimator.
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More