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High speed finishing strategy of Bangbao hardware mould
Date of issue：2022-06-24 Number of visits：531 Publishing author：BangBaoWuJin
The high speed finishing strategy of die depends on the contact point between tool and workpiece, and the contact point changes with the slope of machining surface and the effective radius of tool.
The high speed finishing strategy of die depends on the contact point between tool and workpiece, and the contact point changes with the slope of machining surface and the effective radius of tool. For the machining of complex surface composed of multiple surfaces, continuous machining should be carried out in one procedure as far as possible, instead of processing each surface separately, so as to reduce the number of lifting and cutting. However, due to the change of surface slope during machining, if only the Step over is defined, the actual Step distance on the surface with different slope may be uneven, thus affecting the machining quality.
Pro/Engineer to solve the above problem is to define the amount of side draft at the same time, and then define the height of the processing surface residual area (Scallop machine); Hyper Mill provides Equidistant machine to ensure uniform side feed between tool paths, independent of surface slope and curvature, ensuring that the tool always bear uniform load during the cutting process.
In this case, the radius of curvature of the finishing surface should be greater than 1.5 times of the tool radius. Optimization of the feed speed At present, many CAM software has the optimization and adjustment function of the feed speed: in the semi-finishing process, when the cutting layer area is large, the feed speed is reduced to avoid the sudden change of the feed direction. In the high-speed finishing of the mold, in each cut, cut out the work, the change of the feed direction should try to use arc or curve conversion, avoid the use of straight conversion, in order to maintain the stability of the cutting process.
When the cutting layer area is small, the feed speed increases. The optimal adjustment of feed speed can make the cutting process stable and improve the quality of machined surface. The area of cutting layer is calculated automatically by CAM software, and the adjustment of feed speed can be set by users according to processing requirements.
The high speed finishing strategy of die depends on the contact point between tool and workpiece, and the contact point changes with the slope of machining surface and the effective radius of tool. For the machining of complex surface composed of multiple surfaces, continuous machining should be carried out in one procedure as far as possible, instead of processing each surface separately, so as to reduce the number of lifting and cutting. However, due to the change of surface slope during machining, if only the Step over is defined, the actual Step distance on the surface with different slope may be uneven, thus affecting the machining quality.
Pro/Engineer to solve the above problem is to define the amount of side draft at the same time, and then define the height of the processing surface residual area (Scallop machine); Hyper Mill provides Equidistant machine to ensure uniform side feed between tool paths, independent of surface slope and curvature, ensuring that the tool always bear uniform load during the cutting process.
In this case, the radius of curvature of the finishing surface should be greater than 1.5 times of the tool radius. Optimization of the feed speed At present, many CAM software has the optimization and adjustment function of the feed speed: in the semi-finishing process, when the cutting layer area is large, the feed speed is reduced to avoid the sudden change of the feed direction. In the high-speed finishing of the mold, in each cut, cut out the work, the change of the feed direction should try to use arc or curve conversion, avoid the use of straight conversion, in order to maintain the stability of the cutting process.
When the cutting layer area is small, the feed speed increases. The optimal adjustment of feed speed can make the cutting process stable and improve the quality of machined surface. The area of cutting layer is calculated automatically by CAM software, and the adjustment of feed speed can be set by users according to processing requirements.
