A fillet weld smaller than this probably lacks strength while one larger has wasted time and filler, and may have put too much heat into the metal. Even though both perform same function selection of chafer or fillet depends on how the component is manufactured. When the pieces being welded are thick – say 3/16” (4.8mm) or more – the welder usually makes several passes rather than trying to deposit a … Basic usage of CHAMFER and FILLET is as you’d expect – you invoke the command, select two lines, and a chamfer or fillet is drawn in the corner between them. Assessment of Fillet Weld Groups ref notes and table Properties of Fillet Welds as lines. Setting the fillet weld strength equal to the plate strength (or CJP groove weld strength), we find the following: Min (0.5 F u t, 0.6 F y t) = 44.5 w Therefore, the required weld leg size is the lesser of 0.5 F u t /44.5 and 0.6 F y t /44.5. After this click on fillet / chamfer icon and choose the option (normal /trim) you want to use. After selection of desired feature (chamfer or fillet + normal/ trim) it will ask you to select the lines in between you want to create feature. Similarly, the fillet radius is controlled by entering R after the FILLET command. They usually also improve the print quality, because the print head can keep a constant speed in the curve instead of slowing down to a sharp corner. SolidWorks - Fillet and Chamfer Fillet Fillet is used to create a rounded profile on an edge. Fillet weld requirements can be found in clause 2.2.4, skewed T-joints (notice they don't call the welds "fillet welds" in skewed T-joints) in clause 2.2.5.2(2) as well as 2.3.3. In following figure lines are labeled as 1, 2. Fillets in X-Y plane (i.e. Fillet Weld. By doing it this way you avoid creating a bad overhang. Chain fillet is used to continue applying FILLET on other edges with the same radius, follow the below steps: The Chamfer command in AutoCAD 3D is used to create Slanted edges. As you can see we've respected the 45degree rule by making the overhangs of the hinge stay at 45 degrees. I may have to back pedal on the dihedral angle between the members. First select one line and then select other. To develop the full strength of a plate using fillet welds, it is necessary that the leg size of the fillet be 3/4 of the plate thickness. Important note: The methods described below is based on the simple method of calculation of weld stress as identified in BS 5950- clause 6.7.8.2 . A fillet is a closed weld, which means the base metal is not cut through to accommodate weld metal. The edge can be an external of internal profile of a part. The thickness of all fillet welds is taken as the throat thickness in strength calculations. "(a) for full strength welds, the leg of the fillet weld must be about 75% of the plate thickness." Chamfer distances are controlled by entering D after the CHAMFER command. SolidWorks fillet function gives a wide flexibility from simple fillet (constant radius) up to an advanced options. Here is my take for double fillet welded joints The effective throat of an equal leg fillet weld is .707 x leg size. .707 x .75t = about .53t. Fillet is a round corner were as chamfer is a slant face created at the corner. For volume calculations, the cross-sectional area of the weld is defined by the triangles in Fig 1 identified as; ' contributes to strength '. between two vertical surfaces) work great for 3D prints and increase the strength a lot. However, most of the time user would only use constant radius fillet. In most cases, no beveling or orther extra steps are needed before welding, just good fit-up and clean surfaces for welding. Throat of an equal leg fillet weld is.707 x leg size or orther extra steps are needed welding! My take for double fillet welded joints the effective throat of an leg... 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