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What are the advantages of beryllium bronze in the use of molds?

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  What are the advantages of beryllium bronze in the use of molds? 1. Beryllium copper has sufficient hardness and strength The hardness of beryllium copper at HRC36-42 can reach the hardness, strength, high thermal conductivity required for plastic mold manufacturing, simple and convenient machining, long mold life, and save development and production cycles. 2. Beryllium copper has good thermal conductivity 1) The thermal conductivity of beryllium copper material is conducive to controlling the temperature of the plastic processing mold, and it is also easier to control the molding cycle, while ensuring the uniformity of the mold wall temperature. 2) Using beryllium copper mold material, the cooling time pf molds can be reduced by 40%. 3. Long life of beryllium copper mold When the strength and hardness of beryllium copper meet the requirements, the insensitivity of beryllium copper to mold temperature stress can greatly increase the life of the  mold . The yield strength of...

HOT RUNNER MOULD

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  HOT RUNNER MOULD In recent years, with the rapid development of the plastic industry and plastic moulds and the continuous improvement of general engineering plastics in terms of strength and precision, plastic products have been favored by more and more industries due to their low price and high performance. This has also greatly promoted the development of the mould industry, but with the continuous improvement of the quality and functional requirements of plastic products, especially the transparency and thickness of the product, and how to use a smaller machine to make a larger product, the manufacturing technology of the mould also has a great test. So many mould factories have also made a lot of improvements in the manufacture of moulds, and the use of hot runners is the most prominent. What is a hot runner? Hot runner technology is an advanced technology applied to the pouring runner system of plastic injection moulds. The hot runner uses heating to ensure that the plastic...

HOME APPLIANCE MOLDS

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 HOME APPLIANCE MOLDS With the fierce competition in the home appliance market, home appliance mold manufacturing has become an important part of the existing design with complex and precise requirements. At the same time, the color, feel, precision and wall thickness of the housing of household appliances put forward new requirements. With the acceleration of product updates, the emergence of new products, the overall shell of home appliances towards a thin, light, fine direction of development. Heya Mold introduced a variety of imported high-precision processing equipment, five-axis CNC processing equipment, dedicated to electrical shell mold processing, air conditioning parts mold, air conditioning shell mold processing. The surface machining accuracy of household appliances manufactured with high-speed milling and finishing can reach 0.01mm. Heya Mold also applies hot current technology and gas-assisted technology to the molding of home appliances mould. Most home appliance mol...

PLASTIC BUS CHAIR MOULD

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  PLASTIC BUS CHAIR MOULD HEYA MOLD is professional in mould design and custom production of all kinds of chair mould, we have provided the  plastic bus chair mould  for many customers. The public transport plastic chair is a common public facility in our daily life. The public transport plastic chair requires high strength and certain flexibility. In the shaping process of the bus chair, we generally choose ABS plastic material with good mechanical comprehensive performance. In the design process, we first on the bus plastic chair plastic parts for process analysis, to select the appropriate mould and injection moulding machine, and so on. The bus chair for large plastic parts, accordingly need to design large mould and large injection moulding machine. The mould is suitable for single cavity mould structure, using a single point direct gate injection, plastic parts after stripping, the excess part of artificial resection. The steel material of the bus chair mould is usu...

PLASTIC BUCKET MOLD

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  PLASTIC BUCKET MOLD For  barrel mold s , the most important factor to consider is the consistency of wall thickness, as uneven wall thickness can lead to molding injection failure after a certain period of time. This requires the use of high precision tooling throughout the manufacturing process. In addition to wall thickness, the cooling system plays a crucial role in the upcoming molding injection period. The cooling system must be designed specifically for the plastic drum. Incorrect cooling water lines may affect the efficiency of the entire injection process. Plastic bucket mould technical points: 1, The reasons for uneven wall thickness of barrel caused by eccentric barrel mold (1) If the cooling water flows unevenly in each area of the core cavity of the barrel mold, it will cause the flow difference of the molten plastic, the hotter the area will be more liquid, the colder the area will be less liquid, thus making the barrel wall thicker in the hotter area. Under nor...

How to Improve Precision of Mold Polishing Quality?

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  How to Improve Precision of Mold Polishing Quality? In mold manufacturing process, forming portion of mold often requires surface polishing. Mastering  polishing technology can improve quality and service life of mold, thus improve quality of product. Mold polishing method and working principle Mold polishing usually uses oil stone strips, wool wheels, sandpaper, etc., so that surface of material is plastically deformed and convex portion of workpiece surface is removed to obtain a smooth surface, which is generally performed by hand. Method of super-fine grinding and polishing is required for high surface quality. Super-fine grinding and polishing is made of a special grinding tool. In polishing liquid containing abrasive, it is pressed against machined surface to perform high-speed rotary motion. Polishing can achieve a surface roughness of Ra0.008 μm. Common tools and specifications for mold polishing 1) Common tools for mold polishing include: sandpap...

Quenching, tempering, normalizing, annealing, do you know clearly?

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  Quenching, tempering, normalizing, annealing, do you know clearly? In order for metal workpiece to have required working properties, a heat treatment process is often necessary. Heat treatment process generally includes three processes of heating, heat preservation and cooling. It is divided into quenching, tempering, normalizing, annealing, etc. depending on process. Can you distinguish it? What is quenching? Quenching of steel is to heat steel to a temperature above critical temperature Ac3 (hypegmatized steel) or Ac1 (hyper-eutectoid steel), hold it for a period of time, make it all or part austenitized, and then rapidly cooling to a temperature below Ms (or isothermal near Ms) at a cooling rate greater than critical cooling rate. Solution treatment of materials such as aluminum alloys, copper alloys, titanium alloys, tempered glass, or heat treatment process with a rapid cooling process is also referred to as quenching. Purpose of quenching: 1) Improve mechanical pr...