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Metal Mould

Metal Mould
Company Profile

Kegao attaches great importance to team construction and investment of precision equipment. Moreover, the company has strong technical force, complete equipment and advanced technology, such as Mitsubishi and Sodick EDM machine, Japan Mitsubishi and SEIBUOPE Wire Cutting machine, WAIDA-SPG-X Optical Grinding, MAZAK and TAKISAWA CNC Lathe, MAKINO CNC Machining Center, surface grinding machine, centerless grinding machine, ladder grinding machine, outer diameter/inner hole grinding machine.

 

 
Why Choose Us
 
01/

Professional Team
We have introduced a group of senior technicians with production Europe and Japan precision parts experience.

02/

Advanced Equipment
Inspection Equipment include Hexagon three-dimensional detector, Nikon projector, Mitutoyo 2.5D tool microscope, Swiss TRIMOS height gage, Nikon height gage and Hardness Tester for test and measurement.

03/

Rich Experience
Our company has many years of production work experience. The concept of customer-oriented and win-win cooperation makes the company more mature and stronger.

04/

High Quality
Our products have been widely applied in many fields, such as precision medical mould, connector mould, various types of cosmetic mould, PET preform mould, medical apparatus & instruments, jig, etc.

 

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High Precision Metal Mould Spare Parts Chinese Factory

 

What is Metal Mould?

Metal mold pieces are the result of the casting process, in which the item is formed by pouring metal into an investment mold. These plastic patterns are superior to wax patterns by being smoother, crisper, and more stable.


Metal mold pieces are perfect for consistency and precision. They allow for more intricate designs than die striking while generally being less expensive. Color changes are available by special request.


Metal mold findings assortment includes settings, shanks, trims, earrings, earring components, clasps, jump and split rings, bails, necklace centers, pendants, chain components, dangles and links, and more.

 

Benefits of Metal Mould
 

Durability
Metal molds are made from high-strength materials such as steel or aluminum, which allows them to withstand repeated use over extended periods. This durability translates to a long service life and the ability to produce millions of parts before needing replacement or refurbishment.

High Precision
Metal molds can achieve tight tolerances, resulting in parts with consistent and accurate dimensions and features. This is critical for complex parts where precision is paramount.

Surface Finish
Metal molds can produce parts with a high-quality surface finish, often requiring minimal post-processing. The smooth surface of metal molds also helps in reducing friction during the injection or casting process.

Strength and Integrity 
Metal molds can impart additional strength to the molded parts due to the heat transfer during the molding process. This can result in parts with better mechanical properties, such as higher tensile strength.

Mass Production
Metal molds are well-suited for large-scale production as they enable the efficient creation of numerous pieces with consistent quality. This makes it ideal for meeting high-demand scenario.

 

Material of
 
 

Iron

With a melting point of 2800 degrees Fahrenheit, iron forms strong permanent molds for the production of numerous metal items. Although less frequently used today than during former eras, cast iron molds still hold utility in some industrial manufacturing processes. For example, this type of mold often casts gold ingot bars at national mints.

 
 
 

Steel

Steel molds also offer long term durability. The composition of the metal alloys used in different steels impacts specific individual melting points. Custom steel molds allow the casting of metal products, glass, plastics, and concrete.

 
 
 

Aluminum

This metal melts around 1220 degrees Fahrenheit. It frequently serves in injection molds used by the plastics industry. Additionally, aluminum molds assist numerous food producers.

 

 

Application of Metal Mould
 

Are widely used in the automobile manufacturing industry

Automobiles are important means of transportation in modern society, and their manufacturing process requires a large number of hardware products. For example, the manufacture of automobile engines requires the use of various precision hardware molds, such as crankshaft molds, cylinder molds, etc. These molds can ensure the accuracy and quality of the engine and improve the performance and reliability of the car. In addition, the manufacture of automobile bodies also requires the use of hardware molds, such as stamping molds, welding molds, etc. These molds can help companies achieve efficient production and improve the manufacturing speed and quality of automobiles.

Have important applications in the home

With the improvement of people's living standards, the demand for home appliances continues to increase. Hardware molds play a vital role in the manufacturing process of home appliances. For example, the manufacture of refrigerators requires the use of stamping molds, injection molds, etc. These molds can help companies achieve efficient production and improve the quality and appearance of products. In addition, the manufacture of home appliances such as washing machines and air conditioners also requires the use of hardware molds, which can help companies improve production efficiency, reduce costs, and improve product competitiveness.
Also widely used in the construction industry.
The construction industry is a pillar industry of the national economy, and its development is of great significance to the stability and prosperity of the national economy. The application of hardware molds in the construction industry is mainly reflected in the manufacturing process of building materials. For example, steel bar molds are needed to manufacture steel bars, and cement molds are needed to manufacture cement products. These molds can help companies achieve efficient production and improve the quality and appearance of products. In addition, hardware molds can also be used to manufacture building appliances, such as doors, windows, stairs, etc.

 

Metal Moulding Technics---Casting and Forging

 

Die casting (note that die casting is not short for pressure casting) is a metal casting process characterized by the use of die cavity to apply high pressure to molten metal. Molds are usually made of stronger alloys, a process somewhat is similar to injection molding.

Sand mold casting is to make mold with sand. The sand mold casting needs to put the finished part model or wooden model (shape) into the sand, and then fill the sand around the shape, and the sand will form the mold after the appearance is taken out of the box.

Investment casting is also called lost waxing casting, including wax pressing, wax fixing, tree forming, dipping, wax melting, casting metal liquid and post-treatment. Lost wax casting is to use wax to make the wax mold of the part to be cast, and then the wax mold is coated with mud, which is mud mold. The clay mould is baked into pottery mould after drying. Once roasting, the wax mould all melted away, leaving only the ceramic mould. Generally speaking, the casting port is left behind when making mud mould, and then the metal molten liquid is poured into the pouring port. After cooling, the required parts are made.

Low pressure casting is a method for filling and solidifying liquid metal casting with low pressure gas. Low pressure casting was mainly used in the production of aluminum alloy castings at the beginning, and further expanded its use in the production of high melting point copper castings, iron castings and steel castings.

Centrifugal casting is the technology and method of injecting liquid metal into the high-speed rotating casting mold and filling the mold and forming casting with metal liquid under the action of centrifugal force. Used in casting, centrifugal casting on the casting shape, size and production batch is different, can choose non-metallic type (such as sand, shell mold or casting shell mold), metal mold, or apply in metal mold coating or resin sand casting.

Lost foam casting combines the paraffin or foam model similar in shape and shape to the model cluster. After brushing the refractory paint and drying it, it is buried in the dry quartz sand to vibrate and cast under negative pressure to vaporize the model. A new casting method in which liquid metal occupies the position of the mold and solidifies and cools to form a casting. Lost foam casting is a new process with no margin and precise molding. The process does not require mold taking, no parting surface, no sand core, so the casting has no flashes, burrs and draft angles, and the size errors caused by combination between shape and core are also reduced.

Squeeze casting is also known as liquid die forging, is the direct injection of a molten metal or semi-solid alloy into an open mold, followed by closing the mold to create a filling flow, reaching the outer shape of the part, and then applying high pressure to solidify. The metal (outer shell) is plastically deformed, the unsolidified metal is subjected to isostatic pressing, and at the same time, high pressure solidification occurs, and finally the method of obtaining the part or the blank is obtained by direct extrusion casting; and the indirect extrusion casting means that the molten metal or the half is molten. The solid alloy is injected into the closed mold cavity through a punch, and is subjected to a high pressure to crystallize and solidify under pressure, and finally a method of obtaining a part or a blank is obtained.

 

How to Maintain Metal Mold

 

 

Metal Mould are used in industrial production, using various presses and special tools installed on the presses to make metal materials into parts or products of the required shape through pressure. Such special tools are collectively called hardware molds. Hardware molds are widely used in our lives, but there are always a series of problems. So, in response to this problem, the editor will teach you how to maintain hardware molds.

  • After using the Metal Mould for a long time, we will find that the cutting edge must be sharpened. After grinding, the cutting edge surface needs to be demagnetized again. It cannot be magnetic, otherwise it is easy to cause blockage.
  • Check the fastening parts of the Metal Mould to check whether the fastening parts are loose or damaged. If there are these situations, the method to be adopted is to find parts of the same specification for replacement; check whether the screws, fixing pins, etc. are loose, whether they will jump out and explode the mold, and tighten them with a wrench if they are loose.
  • During the use of the mold, the punch is prone to breakage, bending and gnawed, and the punch sleeve is generally gnawed. The damage of the punch and punch sleeve also needs to be replaced with parts of the same specification.
  • Check the tightness of the guide device and add lubricating oil to prevent the mold from overheating and roughening; perform anti-rust treatment on the hardware molds that are not in production.
  • During the maintenance and maintenance of the pressing parts and unloading parts, pay attention to check whether the accessories of each part are damaged, and repair and update the damaged parts.

 

 

Our Factory
 

R&D, production and sales, automation equipment and accessories, mold accessories, hardware accessories, punch products, plastic products.
Our products have been widely applied in many fields, such as precision medical mould, connector mould, various types of cosmetic mould, PET preform mould, medical apparatus & instruments, jig, etc.

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FAQ
 

 

Q: How long do metal molds last?

A: The lifespan of a metal mold can vary widely depending on factors such as the material of the mold, the material being molded, the complexity of the part, the cycle times, and the maintenance schedule. High-quality steel molds can last for hundreds of thousands to over a million cycles before showing significant wear. Aluminum molds typically have a shorter lifespan but can still last for tens of thousands of cycles.

Q: What are the common materials for metal molds?

A: The most common materials for metal molds are tool steels, which include H13, D2, A2, and P20. These materials are chosen for their hardness, toughness, and ability to withstand high temperatures and mechanical stress. Aluminum alloys like 7075 and A360 are also used, particularly for prototyping or short-run production due to their ease of machining and faster cycle times.

Q: What maintenance is required for metal molds?

A: Metal molds require regular cleaning to remove built-up resin or metal shavings. They should be stored properly to prevent rust or corrosion when not in use. After each production run, it's important to inspect the mold for any damage or wear and address it promptly. Some molds may require periodic heat treatment or polishing to maintain their performance.

Q: Can metal molds be repaired if damaged?

A: Yes, metal molds can often be repaired if they become worn or damaged. Repairs can include welding, re-hardening, re-finishing, and replacing worn components. The extent and cost of repairs depend on the nature and severity of the damage.

Q: How are metal molds manufactured?

A: Metal molds are typically manufactured through a series of steps, including design and engineering, CNC machining to create the mold cavity and cores, heat treating to enhance durability, and polishing or coating to achieve the desired surface finish. In some cases, electrodepositon or EDM (Electrical Discharge Machining) may be used for fine detailing or complex shapes.

Q: Can metal molds be used for rapid prototyping?

A: While metal molds are generally used for high-volume production, they can be used for rapid prototyping in some cases, especially when a durable and reusable mold is needed to evaluate a design or to produce a limited number of test parts. However, for rapid prototyping, alternative methods like 3D printing or soft tooling are often more cost-effective and quicker to produce.

Q: What is the process for designing a metal mold?

A: Designing a metal mold involves creating a 3D model of the desired part using computer-aided design (CAD) software. This model includes all the necessary details for the mold, such as the parting line, draft angles, and cooling systems. Once the design is approved, it is sent to a mold-making company where it is transformed into a physical mold through CNC machining and other processes.

Q: What is metal mold?

A: A mold is a cavity in a material that receives liquid metal and produces a cooled object in the shape of that cavity. Molds can be simple. The forms used to create ingots of metal are like loaf pans, with the metal simply poured inside and left to cool. Most molds are for more complex shapes and are based on a pattern.

Q: What is it called when you mold metal?

A: Metal casting is a 7,000-year-old process used in both manufacturing and fine art. During metal casting, molten metal is transferred from a crucible into a mold to create a positive metal cast object. The metal and mold are cooled, and the metal object is removed and finished.

Q: What is the process of metal molding?

A: Molten metal is injected into the die and the metal parts are separated once hardened. The process of investment casting begins with filling a mold with wax. Once the wax hardens, it is coated multiple times in a ceramic material. This is heated until the wax melts and the ceramic mold remains.

Q: What is the easiest metal to mold?

A: You'll need to choose a metal that has a low melting point and is easy to work with, like tin, aluminum, or brass, and invest in some basic tools like a crucible, tongs, and a mold. When starting out, Tin would be the best choice as its melting point is around 450F.

Q: What metal is best for mould?

A: Steel is a versatile metal for molding. Like aluminum, it comes in many varieties, and all types should not be considered to be the same. Although steel molds can be used equally well for high-volume and low-volume parts. In general, steel must be protected from erosion with a coating or through surface hardening.

Q: Can you use silicone molds for metal?

A: This centuries-old method, also known as cire-perdue, involves pouring molten metal into a mold that has been created by means of a model. A first mold is made by silicone and is filled with wax. The wax model is coated with a refractory to form a second mold. Wax melts away and is replaced by the metal.

Q: How do you clean metal molds?

A: To eliminate mold on all types of metal surfaces, follow these steps: Apply a thin, even coating of Concrobium Mold Control to the affected surface and surrounding areas. Allow to dry. As it dries, Concrobium crushes the mold spores and allows you to wipe them away safely with a Concrobium dampened brush or cloth.

Q: What is metal mould casting?

A: What is metal casting? Metal casting is the process of making objects by pouring molten metal into an empty shaped space. The metal then cools and hardens into the form given to it by this shaped mold.

Q: What does metal mold mean?

A: Die-Struck pieces are the result of the die striking manufacturing process, in which powerful drop hammers or presses strike the workpiece, forging it into its desired shape. Metal Mold pieces are the result of the casting process, in which the item is formed by pouring metal into an investment mold.

Q: Can you use metal molds for soap?

A: If you are making hot or cold process soap, do not use aluminum, tin, or any other metal except for stainless steel. Sodium hydroxide reacts with these metals and contact with them will release dangerous hydrogen gas. Avoid this by sticking to silicone, sturdy plastic, glass or stainless steel.

Q: How are metal molds made?

A: In the sand casting process, a pattern is immersed in a sand mixture within a special two-part box called a flask. Sand is packed around the pattern to create a mold. The pattern is then removed, leaving a mold cavity. Next, molten metal is poured into the mold cavity, where it cools and solidifies.

Q: How do you keep chocolate from sticking to metal molds?

A: Before filling the moulds with chocolate, make sure the moulds are cool enough to use. If your mould is warm, place it in the freezer first for a few minutes. Also, when working with chocolate moulds, make sure you minimize touching the moulds so that the heat from your hands does not warm the moulds.

Q: How do you remove chocolate from metal mould?

A: Place the mould in the fridge for about 15-20 minutes, or until the chocolate has completely hardened. Once the chocolate has set, turn the mould upside down and gently tap it on the work surface. The chocolates should fall out easily. If they don't, they may need more time in the fridge.

We're professional metal mould manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy custom made metal mould at competitive price from our factory. Contact us for more details.

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