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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

What are the requirements for the runners of die-casting molds?

The runners of die-casting molds have corresponding requirements, so we need to understand these requirements as much as possible, which is of great help for us to use die-casting molds.

1. All molds should shorten the runner stroke as much as possible and reduce the cross-sectional area as much as possible on the premise of ensuring the forming quality. The cold slug hole is 1.5 times the diameter of the runner. All runners require cold slug holes, such as: below the mouth, The end of the runner, below the glue inlet of the fine nozzle, etc.

2. All fine nozzle molds, mold runners and nozzle hooks must be polished. It is necessary to ensure that the glue inlet is smooth, reduce the injection pressure and no residues are left on the product.https://ptjcnc.com

3. The flow channel section of the large nozzle mold should be round or up and down ellipse, that is, the height dimension is 0.5-1.0 larger than the width dimension and must be aligned before and after, and there should be no misalignment in polishing. In special circumstances, the unilateral flow path is required to be trapezoidal.

4. The inlet and nozzle positions should not be in the obvious appearance. The glue inlet point of the electroplating product should ensure the strength. The glue inlet point of the large nozzle and the product contact should be the knife edge surface with the smallest cross-sectional area to ensure that no residue remains after removal. Product.https://numerical-control.com/

5. The position of the thimble or hook pin for diving into the glue must be at a certain distance from the glue inlet of the parting surface, which is about 1.5 times the diameter of the runner, in order to ensure the toughness of the dive inlet. The diving gate must be polished.

6. The injection point of the large nozzle of the gear die is at the bottom of the tooth surface. Use a Φ1.0 milling cutter to align the tip of one of the teeth with a depth of 0.5-0.6, a width of 1.2, and a depth of 1.5, AB plate inserts. When inlaid through-holes are to be proceassed together, if through-holes are not inlaid, it is necessary to use the centering rod to center repeatedly to ensure concentric accuracy. The barrel needle of the rear mold is inserted into the front mold, and a drill bit smaller than the processing hole diameter must be used to make it thicker to facilitate the copper electric discharge machining.

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