4results about How to "Small machining allowance" patented technology

The application discloses a short-process low-cost Ti-55531 high-strength titanium alloy rod forging method and belongs to the technical field of titanium alloy material processing. The method comprises the following steps: material preparation, first high-temperature forging, second high-temperature forging, surface treatment, low-temperature upsetting and drawing and redrawing, continuous hexagonal drawing and rolling forming. The forging and rolling are regarded as necessary processes after each drawing by optimizing heating process parameters and deformation time sequence, combined with the cooperative process of reversing upsetting and drawing and rapid water quenching, the organization evolution is accurately controlled, the efficiency and uniformity are improved by adopting the multi-fire continuous deformation mode, and finally the processing loss is reduced by precise forming, so that the efficient and economic preparation of high-performance rods is realized.

This invention discloses a near-net-shape aluminum-based composite material part manufacturing method and part. The manufacturing method includes: establishing a three-dimensional part model of the part to be manufactured, wherein the part model has a built-in double-helix siphon microchannel; slicing the part model to obtain slice data for each layer, wherein the slice data includes the geometry and printing path of the part in that layer; printing the part model using sand mold printing according to the slice data to obtain a preform, wherein after printing each layer, a binder is sprayed onto the powder layer used for printing; the preform is sequentially sintered, post-treated, and pre-treated to obtain a treated preform; the treated preform is placed in a pre-fabrication container, impregnated with molten aluminum, and then slowly cooled and solidified to obtain the part to be manufactured. This invention solves the problems of high processing difficulty and difficulty in controlling the precision of aluminum-based composite material parts in the prior art.

The utility model discloses a die -casting die, including upper pressure mould, lower pressure mould, inlay, core -pulling, core rod, upper pressure mould includes pressure mould boss, lower pressure mould includes pressure mould recess, and the cavity is formed between pressure mould boss and pressure mould recess, and upper pressure mould is equipped with the inlay groove, and the inlay groove is communicated with the upper end surface of upper pressure mould and the cavity, and the inlay is inserted in the inlay groove, and the inlay includes the convex strip, and the convex strip forms a part of pressure mould boss, and the core -pulling is installed in the side of upper pressure mould and lower pressure mould, and the convex strip is equipped with the first through -hole, and the core -pulling is equipped with the second through -hole, and the core rod passes through the first through -hole and the second through -hole, the utility model discloses the core -pulling and core rod in the die -casting die design inside, and the core -pulling is positioned and inserted through the inlay, forms the pre -casting hole after alloy liquid fills, and the core -pulling is extracted after the casting forms, and the incidence of the inner hole defect is reduced.

This invention discloses a multi-wire cutting production method for camera color filters, belonging to the field of color filter processing technology. This process achieves efficient color filter cutting through three core steps: precise compensation data testing, hexagonal single-sided contour cutting, and hexagonal cutting. The invention employs a hexagonal cutting layout, increasing material utilization by 5.5% while reducing machining allowance in the rounding process, thus improving production efficiency, all while maintaining the same output quantity. The application of translational worktable control compensation technology ensures the accuracy of the cutting path, solving the problems of low material utilization and excessive machining allowance in traditional cutting processes, making it suitable for the large-scale production of camera color filters.