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How to prevent deformation during slow wire processing

 Slow-moving wire processing is a very exquisite and exquisite craft, and sufficient preparations need to be made, so that the processed products can be more quality. The slow-moving wire processing technology has a wide range of applications and is a must in our industries. If you want to do better with less technology, you must master all aspects of the processing knowledge. For example, the most common thing is the deformation during processing.  How can we solve it How to prevent deformation during slow wire processing Speaking of slow wire processing, it uses continuously moving fine metal wires as electrodes. Pulse spark discharge is performed on the workpiece, where it generates a high temperature above 6000 degrees. Moreover, if it wants to improve its quality problems and prevent its deformation, it can firstly start from the following aspects. 1. To prevent deformation, it is impossible for the material to have no internal stress. In particular, the internal stress of the que

KOVAR parts seal preparation and physical properties

Kovar® is a vacuum-melted iron-nickel-cobalt low-expansion alloy. The chemical composition content is controlled in a very narrow range to ensure accurate and balanced thermal expansion performance. At the same time, strict quality control during the manufacturing process of KOVAR machining parts also ensures balance Its physical and mechanical properties are more suitable for deep drawing, stamping and various cutting processes. Material use Kovar® is used for vacuum sealing of hard glass and ceramics, and is widely used in electron tubes, microwave tubes, transistors and diodes. On integrated circuits, it is used for flat integrated circuits and dual in-line packages. Seal preparation All parts made by Kovar® should be degassed and annealed in a wet hydrogen atmosphere. Hydrogen is injected into water at room temperature and gets wet through blisters. Care must be taken to prevent surface carbonization. The heat treatment furnace must have a cooling chamber that provides the same a

What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th

Common sense that you must know when doing sheet metal processing

Common sense that you must know when doing sheet metal processingAfter the drawing is received, choose different blanking methods according to the different opening drawings and batches, including laser, CNC punching, shearing, molds, etc., and then make the corresponding opening according to the drawing. Place the worktable next to the CNC and the laser cutting, which is conducive to placing the sheet on the machine for processing and reducing the workload of lifting the board. Some usable side materials are placed in designated places to provide materials for trial molds during bending. After the workpiece is blanked, the corners, burrs, and contacts should be trimmed (grinding) as necessary. The tool contacts should be trimmed with a flat file. For workpieces with larger burrs, use a grinder to trim, and the small inner hole contacts should be trimmed. Use the corresponding small file to trim to ensure the beautiful appearance. At the same time, the trimming of the shape also ensures the positioning during bending, so that the position of the workpiece on the bending machine during bending is consistent, and the size of the same batch of products is consistent.
After the blanking is completed, it enters the next process, and different workpieces enter the corresponding process according to the processing requirements. There are bending, riveting, flanging and tapping, spot welding, convex hull, and segment difference. Sometimes the nut or stud should be pressed after one or two bends. Among them, the convex hull and segment difference of the mold should be considered. Process first to avoid interference in other processes after processing first, and the required processing cannot be completed. When there are hooks on the upper cover or lower shell, if they cannot be touch-welded after bending, they must be processed before bending.

Common sense that you must know when doing sheet metal processing

The workpiece must be surface treated after the bending, riveting and other processes are completed. The surface treatment methods of different plates are different. After high speed machining, the surface is generally electroplated. After the electroplating is not sprayed, the phosphating treatment is used. After chemical treatment, spray treatment is required. The surface of the electroplated board is cleaned, degreased, and then sprayed. The stainless steel plate (with mirror panel, fog panel, and wire drawing board) can be drawn before bending. No spraying is required. If spraying is required, it needs to be roughened; aluminum plates are generally oxidized, and different colors can be selected according to different spraying colors. Oxidized background color
Commonly used are black and natural color oxidation; aluminum plate needs to be sprayed after chromate oxidation treatment. Surface pretreatment can make the surface clean, significantly improve the adhesion of the coating film, and can double the corrosion resistance of the coating film. The cleaning process first cleans the workpiece, first hangs the workpiece on the assembly line, first passes through the cleaning solution (alloy degreasing), then enters the clean water, then passes through the spray area, then passes through the drying area, and finally removes the workpiece from the assembly line Remove.
These are the general procedures for sheet medical machining The work is very simple, but sometimes it is a bit difficult to do. To make a level and quality sheet metal product, it is not just a matter of talking, but a large amount of work is needed. The practical operation of the sheet metal platform can only be realized by comprehension.

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