Design technology for producing side-stacked section materials
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A design process and profile technology, applied in the field of edge-folded profile production, can solve problems such as edge warping and small R angle
Active Publication Date: 2017-02-22
山东华舜达冷弯科技有限公司
View PDF6 Cites 2 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
When designing this type of profile in the past, there will always be edge warpage in the final rolled profile, such as figure 2 As shown, his molding process is as follows image 3 As shown in the figure, it is gradually bent from 0° to the completion of folding. Because there is no R angle inside the folded profile, the R angle is very small during the entire deformation process. The most critical step before completing the folding is almost no inner angle. After the edge is completely folded, the two sides are stacked inside the roll due to the external force. Since all the internal stress of the two straight sides is concentrated in the fillet during the deformation process, the internal stress is small because the fillet is small. The relative increase until the rolling is completed and the internal stress is released after cutting, the result is edge warping, and how to solve this technical problem has always been a technical problem
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0028] A process for producing lapped profiles. Through the rolling of the upper and lower rolls, the strip steel is bent and deformed at a predetermined angle in the pass of each roll to produce 1.0mm thick ordinary carbon steel. The order of the angles is completed in sequence It is 40°, 80°, 110°, 140°, 170°, 180°; the corresponding fillet value of each pass is R4.8, R2.8, R2.2, R1.9, R1.7, R1. 6; The overlapping is completed; the specific steps are as follows:
[0029] Step 1. Both upper and lower rolls adopt straight faces to flatten the strip steel, prepare for further angular deformation, and provide the initial power for the strip steel to enter the equipment;
[0030] Step 2. Carry out the deformation of the first bending angle at the position 30mm inward from both ends of the strip steel. Through the cooperation of the upper and lower rolls, the two ends of the strip steel are folded at an angle of 40°. At the same time, the R angle at the bending angle of the upper ...
Embodiment 2
[0038] To produce plain carbon steel with a thickness of 2.5mm, the order of finishing angles is 30°, 60°, 80°, 100°, 120°, 140°, 160°, 170°, 180°; the corresponding fillet value of each pass Yes R11.4, R6.6, R5.4, R4.7, R4.2, R3.9, R3.7, R3.55, R3.5; lapping is complete.
[0039] For specific implementation steps, please refer to the specific steps in Example 1.
[0040] Only two specific examples have been given above, and the specific angle of bending deformation and the value of the fillet need to be adjusted according to the actual thickness and material of the strip steel to achieve the best forming effect.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention discloses a design technology for producing side-stacked section materials. Through rolling of an upper roller and a lower roller, bending deformation of the section materials in a hole pattern of a roller of each pass is carried out according to the preset angle, the numerical values of circular beads of the section materials are increased in the deformation process, the section materials keep a large circular bead before final side-stacking formation, approximate-parallelism rolling of the two sides of the section materials is completed, and filleted corners are flattened after rolling is completed. The internal stress of the circular beads of deformation is basically released in the last pass but one, finally sides of the large circular bead compensate for the two sides of the small circular bead through material compensation, and therefore the dimensional accuracy is not influenced, the side warping problem is effectively solved, and a mature technology improvement is realized.
Description
technical field [0001] The invention discloses a process for producing folded profile. Background technique [0002] In the open cold-formed profiles, due to the needs of use, it is often encountered in the case of overlapping, such as figure 1 shown. When designing this type of profile in the past, there will always be edge warpage in the final rolled profile, such as figure 2 As shown, his molding process is as follows image 3 As shown in the figure, it is gradually bent from 0° to the completion of folding. Because there is no R angle inside the folded profile, the R angle is very small during the entire deformation process. The most critical step before the completion of folding is almost no inner angle. After the edge is completely folded, the two sides are stacked inside the roll due to the external force. Since all the internal stress of the two straight sides is concentrated in the fillet during the deformation process, the internal stress is small because the f...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more