Inlay Core Pins
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
Professional Team
We have introduced a group of senior technicians with production Europe and Japan precision parts experience.
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.
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.
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.
Automotive Grade Connector Mould Parts
The Auto Precision Metal Mould Parts are machined by Precision Surface Grinding + Precision WEDM Processing Technology.etc.
Industry Precision Connector Mold Parts
Our One-stop Low Volume Production Services, provide professional processing and custom manufacturing of accessories of Precision medical mould parts, Precision packaging mould parts
Plastic Mould Inserts For Electrical
Our One-stop Low Volume Production Services, provide professional processing and custom manufacturing of accessories of Precision medical mould parts, Precision packaging mould parts, Precision connector mould parts
Precision Connector Mould Parts
Semiconductor mould parts, Standard mould parts, Non-standard|custom round parts, Standard mould parts, Non-standard|custom round parts, etc.
Precision Connector Mold Parts
Our One-stop Low Volume Production Services, provide professional processing and custom manufacturing of accessories of Precision medical mould parts, Precision packaging mould parts
Auto Connector Mould Components
Provide professional processing and custom manufacturing of accessories of Auto connector mould parts, Auto harness mould components
KEGAO High Precision Connector Mould Multi-Cavity Connector Mold
KEGAO Precision Connector Mould Parts connector [kŏ-nek´ter]1. anything serving as a link between two separate objects or units.
High Precision Connector Electronic Semiconductor
Established in 2007, We have our own factory, KEGAO Precision have rich specialized experienced over 15 years in the manufacture of precision turned CNC parts for OEM applications worldwide
Precision Micro Products And Connector
Precision micro products and connector Welcome to KEGAO Precision Technology Co.Ltd. Since 200 7 years , KEGAO has been a well respected leader in the field of precision machined components.
What is Inlay Core Pins?
One of the hardest components to design and maintain for good tool life is a inlay core pins. A "core" is the separate and replaceable part of the die that forms an internal feature of the casting. Inlay inlay core pins come in all shapes and sizes, but the most commonly used shape design is circular. Inlay core pins may be fixed to the die cavity or to a slide, actuated through the mechanical opening/closing of the die, or by hydraulic cylinder or other means. While Inlay inlay core pins are the backbone of good tool design, when not properly designed, it can result in severe downtime and inefficient productivity.
Benefits of Inlay Core Pins
Reusability
Since the inlay core pins are made from durable materials, they can withstand repeated use without wearing out, which helps in maintaining the quality of the parts over time.
Material Flexibility
Inlay core pins can be made from various materials, allowing for compatibility with different types of molding resins and processes, including thermoplastics, thermosets, and metals.
Ease of Maintenance
If an inlay core pin becomes damaged or wears out, it can be easily replaced without the need to repair or replace the entire mold. This reduces downtime and increases production efficiency.
Improved Part Quality
By using inlay core pins, manufacturers can produce parts with improved surface finishes and better dimensional stability, leading to higher-quality end products.
Type of Inlay Core Pins
Grooved pins
Grooved pins are similar to straight pins but they have axial grooves (three groves) on their surfaces. The grooves could extend over the entire length of the pin or part of the length. The purpose of the grooves is to make it easier to compress the pin such that it can be installed tightly into smaller holes.
Spring pins
Spring pins are hollow cylindrical pins with an axial cut along their length. The cut makes them more flexible and that enables them to be squeezed into smaller holes. They are usually used for making pin joints connecting linkages.
Dowel pins
Dowel pins are cylindrical or conical in shape and they are usually used to keep two parts in a fixed position or to preserve the alignment during and after assembly. They are usually used where accurate alignment is essential. Dowel pins are sometimes made from wood or plastic according to the type of application in which they will be used.
Clevis pins
Clevis pins are used in a clevis and they are usually held in place by cotter pins.
Cotter pins
Cotter pins are used to keep parts in position. A cotter pin has a round head and ends that are bent after assembly to be locked in position. Cotter pins are typically used with slotted nuts to keep the nuts from being loosened. Another type of cotter pins is the Hairpin cotter which has a preformed shape and behaves like a locking spring to keep parts such clevis pins in position.
what is Inlay Core Pins Heat Treatment and How it Works?
Inlay core pins to obtain the desired hardness of heat treatment, heat treatment is necessary to stress the inner parts of precision die mold part is controlled so that when the parts processing and post-processing dimensional tolerances, geometric tolerances can be stabilized, the role of different parts of the material, with different heat treatments. The process is to be considered is the economic, material hardenability, hardened, too heat-sensitive and decarbonization sensitivity.
Usually the workpiece is retained after quenching stress, easily lead to subsequent or finishing work cracking should be hot parts after quenching and tempering, quenching eliminate stress. Complex shape, inside and outside corner more artifacts, sometimes not enough to eliminate the quenching and tempering stress the need to de-stress before finishing annealing or aging treatment times, the full release of stress. Different approaches according to different requirements.
With Cr12 for the material parts, for example, in the rough quenching, cooling only when there is hardening: air cooling, oil cooling (after the workpiece is heated in an oil, cooled to 300 ℃ ~ 200 ℃, remove the cooling in air. This method simple, high hardness of the workpiece, but large deformation, deformation of the workpiece is easy to produce, for larger sizes, the simple shape of the workpiece), the clamping plate in the cooling air , quenching . Such as V10, APS23 alloy powder and other parts, which is likely to withstand the high-temperature tempering, secondary hardening process can be quenching, 1040 ℃ ~ 1080 ℃ quenching, and then 490 ℃ ~ 520 ℃ tempering and many times, You can obtain high impact toughness and stability, with chipping as the main failure mode of the mold is applicable.
The manufacturing process of core pins
Wire-drawing and cut-off
Put the testing qualified raw materials on the wire drawing machine to achieve the required diameter size, and then cut into each rodlike core pins and sleeves embryo with fixed length.
Heat-treatment
Before heat treatment, adjust and flat the core pins and sleeves embryos on straight platform with a dial gauge. And then put them in the high frequency electric furnace or salt bath furnace heating to 800 ~ 1300 degrees centigrade, Stay 2 ~ 5 minutes. After the fine-quenching heat treatment, the pinpoint hardness can reach Hv590-800, and then process them with low temperature tempering.
Grinding
Splint the core pins and sleeves on the collet chuck of machine tool. According to the request of any tip base angle size of core pins and sleeves, separately grinding process them.
Polishing
Polishing is to clean up oil stains and rust on the surface, and to make the surface clean.
Inspection and warehousing
Inspect the core pins according to the benchmark index, and the qualified can be boxed into the warehouse.
How to Form a Hole With a Inlay Core Pins
There are many ways to form a hole in an injection molded part. Some are simple and inexpensive. Others are a little more involved but have some added benefits.
Common methods for creating a through hole in a molded part. All of them use a Inlay core pins. most of these methods can be applied to Inlay core pinss mounted in the A-Plate, an ejector sleeve, or even a cam. Additionally, while the methods discussed here depict cylindrical Inlay core pinss, they can also be incorporated into a variety of shapes with the same intent and purpose.
On occasion, you may see a mold where the through hole in the part was formed in a solid-meaning the core was machined with a protruding shut-off and not with a replaceable pin.
Regular cleaning and lubrication of Inlay core pinss are essential for maintaining their functionality and prolonging their lifespan. A build-up of debris or rust can cause the pins to stick or break, resulting in production delays and costly repairs. To prevent this, it is recommended to clean the mold core and cavity after each production cycle. Lubricating all moving parts of the mold, including ejector pins, slides, and cores, helps to minimize friction and reduce wear and tear. High-quality lubrication of ejector pins is an important part of mold and die making, and residue-free and pore-deep cleaning of metallic surfaces is necessary. By incorporating regular cleaning and lubrication into the mold maintenance routine, the Inlay core pinss can operate smoothly and efficiently.
Inspection and replacement of worn-out Inlay core pinss are also critical aspects of mold maintenance. Over time, the pins can become bent, worn, or damaged, affecting the quality of the final product and potentially causing safety hazards. It is essential to check the diameter of any pin to four decimal places and occasionally check the Rockwell hardness on the diameter. Once the mold has reached its usable life or shows signs of wear, replacement components will be required. By conducting regular inspections and addressing any issues promptly, the Inlay core pinss can be kept in optimal condition, reducing the risk of production delays and costly repairs.
Proper storage and handling of Inlay core pinss are also crucial for maintaining their quality and preventing damage. The pins should be stored in a dry and clean area to avoid exposure to moisture and debris. It is essential to handle the pins with care, avoiding any impact or pressure that could cause bending or breakage. When designing the mold, it is important to consider the placement and size of the core pins to ensure they can withstand the stress and pressure of the molding process. By implementing proper storage and handling practices, the Inlay core pinss can remain in good condition, contributing to the overall efficiency and effectiveness of the molding process.
Factors to consider when choosing Inlay core pins
The material used for the core pin can have a significant impact on its durability, wear resistance, and ability to withstand high temperatures. The choice of material will depend on the specific application, as well as the desired performance characteristics, such as heat transfer and corrosion resistance. It is essential to select a material that can withstand the stresses of the molding process and maintain its shape and integrity over time.
Another important factor to consider when choosing a Inlay core pins is the shape and size. Core pins come in various shapes and sizes, with circular being the most commonly used design. The size and shape of the core pin will depend on the desired shape and features of the molded product. It is crucial to select a core pin that fits precisely into the mold cavity and can create the desired shape and features accurately. The size and shape of the core pin will also affect the cooling and ejection of the molded product, making it essential to choose the right size and shape to ensure a high-quality final product.
The surface finish and coating of the Inlay core pins are also important considerations. The surface finish of the core pin can affect the quality and appearance of the molded product. A smooth surface finish can reduce the risk of defects and imperfections, while a rough surface can lead to surface defects and blemishes.
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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