What are the metal product processing technologies of precision sheet metal processing manufacturers
Precision sheet metal processing manufacturers CNC bending machines, etc. to produce sheet metal products. Can go directly from drawing to product paperless production. It is suitable for flexible production of small batches and multiple varieties. The sheet metal bracket is very powerful, and many sheet metal part features need more tedious operation steps to be realized under the modeling module. Three aspects of punch automation in sheet metal automation processing are briefly discussed.
Casting: Refers to the metalcasting being heated and melted and then poured into the model. It is suitable for processing parts with complex appearance.
Casting classification of sheet metal processing plants
Sand casting:
The cost is low, the batch size is small, and complex shapes can be processed, but it may require a lot of post-processing steps.
Investment Casting / Lost Wax Casting: This processing method has high continuity and degree, and can also be used to produce complex shapes. Under the premise of relatively low processing cost, it can achieve a very perfect appearance, which is suitable for mass production.
Injection casting method:
For machining complex shapes with high error. Due to the characteristics of the technology itself, no post-processing is required after the product is formed. However, the advantage of low cost can only be shown in the case of mass production.
Die casting method:
The processing cost is high, and the cost is reasonable only in the case of mass production. But the cost of the final product is relatively low and the error is relatively high. Can be used to produce parts with thinner walls.
Spin casting method:
Ideal for processing small parts, generally used in jewelry making. Rubber models can be used to reduce processing costs.
Directional curing:
It can produce a very strong superalloy with anti-fatigue function and pour it into the model, and then go through a strictly controlled heating and cooling process to eliminate subtle flaws.
Plastic forming processing: refers to heating the formed metal at high temperature to reshape it, which is a labor-intensive production.
Plastic forming processing classification:
Casting:
It is one of the simple and old metal forming techniques to give metal shapes by beating and kneading under the conditions of cold working or high temperature operation. The sheet metal bracket is very powerful, and many sheet metal part features need more tedious operation steps to be realized under the modeling module.
Binding:
The hot metal billet is passed through a series of cylindrical rollers, which plunge the metal into the mold to obtain a predetermined shape.
Drawing wire:
The technique of drawing metal strips into filaments using a series of standard progressively smaller drawing dies.
Knead:
A low-cost technology for continuous machining of solid or hollow metal profiles with the same cross-sectional shape, capable of both high temperature operation and cold working. All or most of the CNC sheet metal processes use CNC equipment, such as CNC punching machines, CNC laser cutting machines, CNC bending machines, etc. to produce sheet metal products. It can achieve high product accuracy and reduce development time. Can go directly from drawing to product paperless production. It is suitable for flexible production of small batches and multiple varieties.
Impact Kneading:
Technology for machining small to medium standard parts that do not require a chimney taper. It is easy to produce and can process parts with various wall thicknesses. The processing cost is low.
Powder metallurgy:
A technology that can process ferrous metal components as well as non-ferrous metal components. It includes two basic processes of mixing the alloy powder and pressing the mixture into the mold. Metal particles are sintered and formed by high temperature heating. This technology does not require machining, and the raw material utilization rate can reach 97%. Different metal powders can be used to fill different parts of the mold.
Solid Forming Processing
Solid molding processing:
Refers to the materials used are some metal strips, sheets and other solid shapes that can be shaped at room temperature. Attributable to labor-intensive production. The processing cost can be relatively low. Classification of solid molding processing
Spinning:
A very common machining method used to produce circular symmetrical parts such as saucers, cups and cones. During processing, the high-speed rotating metal plate is pushed close to the model on the fixed lathe that rotates at the same time to obtain a preset appearance. This technology is suitable for the production of various batch methods.
Twists and turns:
An economical production technology for sheet, rod and tubular materials for processing methods.
Consecutive forming:
The metal sheet is fed between the press rollers to obtain a metal profile with continuous length and uniform cross-section. Similar to the kneading technique, but with constraints on the wall thickness of the processing element, only a single wall thickness can be obtained. Only under the premise of a lot of production, the processing cost is only.
Stamping:
The metal sheet is placed between the male mold and the female mold and is formed by restricting it, which is used to process the hollow shape, and the depth can be deep or shallow.
Punching:
The technology of punching and cutting a certain shape on a metal sheet using a special tool is suitable for both large and small batch production.
Punching:
It is basically similar to punching technology, the difference is that the former uses some punching, while the latter uses punching to leave some metal pieces. Three aspects of punch automation in sheet metal automation processing are briefly discussed.
Cut:
Laser cutting the metal sheet with a shearing method is the same as using a pair of scissors to remove the paper from the position.
Chip forming:
When cutting metal, the cutting method that produces chips is collectively referred to as chip forming, including milling, drilling, lathe processing, grinding, sawing and other technologies.
Chip-free molding:
Precision sheet metal processing manufacturers use existing metal strips or metal sheets to shape. No chipping occurs. Such techniques include chemical machining, etching, electrical discharge machining, sandblasting, laser cutting, water jet cutting, and thermal cutting.
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