China 1.2083 Cavity Mold Parts Made of Materials for Assembling Packing Molds common injection molded parts

Item Description

one.2083 Cavity mildew parts manufactured of components for assembling  packing molds

Plastic molds always hold in head that high-high quality molds start from mould design and style, and great mold framework is the most important. All engineers at Xihu (West Lake) Dis.g have been qualified in mold expertise. We often preserve the mildew framework in mind. The preform mould consists of a main, a cavity and an insert. The latter have to be moved throughout element ejection to release the undercut developed by the thread bead. For this, they are mounted on slide rails, typically pushed by cams. The core and cavity are often water cooled.

Product Description




Hardness 48-52HRC
Warmth therapy Accessible
Support Created-to-get
Surface area remedy /
Closest tolerance + – .002mm
Polishness Ra0.six
Axiality .005mm
Verticality .005mm


Company Profile

HangZhou Xihu (West Lake) Dis.g Mould Parts Co., Ltd is established in 2008, is a expert maker of precision CZPT parts. Our factory, situated in the CZPT town–Chang’an. It is a expert organization in analysis, advancement and producing of precision CZPT components,we have more than 10 years expertise in this subject,our superior precision gear and scientific top quality management guarantees clients fulfillment.



Machinery & Equipments


  • CNC machining center CNC milling device ,CNC lathe device
  • Sodick EDM,Sodick Wire-cutting
  • OD Grinding,ID Grinding,Surface area grinding equipment

Our Provider

one. Customer’s request is our function and goal.
two. Rapid samples supply support and generate according to your BOM.
3. Professional manufacturing staff, strictly good quality control office, experienced income office.
four. One particular-stop remedy for our long phrase clients .
5. Tailored size and OEM/ODM service appropriate.
six. a hundred% examine before deliver , high quality warranty and long time period soon after-provider .
seven. Aggressive cost ,Superb support , Quick supply , Protection payment , Adaptable trade terms.

Why decide on us

  • We as a company are specialised in all sorts of precsion core pins cavity pins insert pins
  • Excellent encounter of 8 a long time to make Stamping die parts,Injection die components,Automobile elements, steel-doing work merchandise.
  • Have innovative manufacturing equipments and seasoned operators.
  • Good experience of OEM and ODM for our customers.
  • Give very best cost, good high quality and quick delivery.


Primary items
one.Core pin,cavity pin,insert pin and so on
two.HSS punch ,Precision punch ,Specific-shaped punch
three.Ejector pins,ejector sleeve,two-phase ejector pins and so on
4.Xihu (West Lake) Dis. pillars ,Xihu (West Lake) Dis. bushings ,Xihu (West Lake) Dis. post established
5.Slide Main Models,Latch locks,finding Series


Top quality Manage

XIHU (WEST LAKE) DIS.G has rigid high quality control program from the raw materials incoming to finished merchandise outgoing. Our CZPT parts are certain substantial precision,substantial polished and long services existence.

Beneath are our major good quality inspection items in the complete generation procedure:
Materials incoming: a hundred% inspection

Tough Finished:100% inspetion
Warmth therapy: random inspection
Face grinding: one hundred% inspection
Middle-less cylindrical grinding: a hundred% inspection
OD/ID grinding: one hundred% inspection

EDM:100% inspection

Wire-Reducing:100% inspection
Packing: the final one hundred% inspection prior to the official shipment


Packaging & Shipping and delivery

Coated with anticorrosive oil, packed in carton box
Shipping time is generally 7-15 operating days for kind of ejector pin, particular time is in accordance to quantity.
We ship making use of specific this kind of as DHL, UPS, FEDEX and so forth. or in accordance to customer’s necessity . It takes about 3-5 days to arrive your front door, and evidence of shippments are presented with a shipping or monitoring variety. And we ship by occean shippment for bigger amount objects, it will be financial for consumers.


Q:Are you buying and selling company or company?
A:We are manufacturing unit.

Q:How prolonged is your delivery time?
A: Generally it is ten-twenty days if the products are not in stock, it is according to amount.


Q:What is your quote factors?
A:Solution common: design + dimensions, or consumer Drawing.


Q:How can you ensure the top quality?
A:We have QC office to management the high quality from the begining of creation right up until goods complete.


Q:If you make inadequate high quality products,will you refund our fund?
A:As a issue of truth, we wont take a likelihood to do very poor high quality products. Meanwhile, we manufacture merchandise quality merchandise right up until your fulfillment.


Q. Do you examination all your items just before delivery?
A: Of course, we have 100% QC check and QC report for mildew parts prior to delivery.


Q. Can you produce according to the samples or drawings?
A: Indeed, we can generate elements by your samples or specialized drawings

Our enthusiastic and welcoming client service associates are completely ready to support with any inquiries or problems. If you are fascinated in any merchandise or our organization, please come to feel cost-free to speak to us today.  

After-sales Service: From Payment to Delivery, We Guarantee Your Tradi
Warranty: One Year
Type: Plastic Mould Parts
Material: SKD61 SKD51
Application: Electronic, Hardware, Machinery, Daily Use, Furniture, Household Applicances, Car
Certification: ISO9001




Hardness 48-52HRC
Heat treatment Available
Service Made-to-order
Surface treatment /
Closest tolerance + – 0.002mm
Polishness Ra0.6
Axiality 0.005mm
Verticality 0.005mm
After-sales Service: From Payment to Delivery, We Guarantee Your Tradi
Warranty: One Year
Type: Plastic Mould Parts
Material: SKD61 SKD51
Application: Electronic, Hardware, Machinery, Daily Use, Furniture, Household Applicances, Car
Certification: ISO9001




Hardness 48-52HRC
Heat treatment Available
Service Made-to-order
Surface treatment /
Closest tolerance + – 0.002mm
Polishness Ra0.6
Axiality 0.005mm
Verticality 0.005mm

Designing Injection Molded Parts

Injection molded parts are designed to work together to form a whole. While the small plastic toys like Legos aren’t typically fabricated for assembly, these products still require precision measurements. For this reason, the designs of injection molded parts should be perfected for manufacturing. The designs should also minimize error potential.

Design considerations for injection molded parts

Injection molded parttWhen designing injection molded parts, it’s essential to consider the wall thickness of the part. Ideally, the wall thickness is uniform across the entire part. This allows the entire mold cavity to fill without restriction, and reduces the risk of defects. Parts that don’t have uniform wall thickness will have high stresses at the boundary between two sections, increasing the risk of cracks, warping, and twisting. To avoid such stresses, designers can consider tapering or rounding the edges of the part to eliminate stress concentration.
The wall thickness of the injection molded part is important because it affects many key characteristics. Therefore, it is critical to take proper care in choosing the wall thickness to avoid costly delays caused by mold problems or mold modification. The nominal wall thickness should be determined based on the function and stress requirements of the part. Similarly, the minimum wall thickness should be calculated based on acceptable stress. Too thin a wall can result in air traps and excessive plastic pressure.
Injection molded parts that have sharp corners are a common cause of defects. Sharp corners create stress concentrations, poor flow patterns, and increased injection mold wear. To minimize these problems, designers should keep inside corners and outside corners at half the wall thickness. This will help minimize stress and ensure the integrity of the part.
Another important design consideration for injection molded parts is the thickness of the ribs. They should be at least two-thirds of the outer wall. Thicker ribs may result in sink marks on the outer surface. Undercuts also complicate the mold design and increase the cost of the part.
Tolerance variation is also an important consideration. It depends on materials, process control, and tool design. Tolerance variation varies from molder to molder, and designers should discuss critical tolerance requirements with molders. If the part has to be manufactured to a particular tolerance, designers should consider options for mold revisions to minimize the tolerance variance. Additionally, designers may need to intentionally design extra clearance. To compensate for such variation, the molder may remove some steel or modify the design. In some cases, interference can be solved by welding.
Design considerations for injection molded parts should be discussed with material science professionals early in the design process. This is critical because changes to the mold design can be costly. Therefore, achieving the best possible result is critical. By following design guidelines, manufacturers can avoid common defects. A uniform wall thickness is also important because non-uniform thickness can lead to warping the part as it cools.
Another important factor for injection molded parts is the flowability of the material in the mold cavity. The resin should be able to flow easily around rounded corners. For example, a molded part with a curved undercut will not eject properly from the mold if there’s no space between the two sides. For this reason, designers should consider the flowability of the molded material before deciding on a design.

Adding a runner system to an injection molding machine

Injection molded parttThere are two main types of runner systems: hot runner systems and cold runner systems. In a hot runner system, a runner nozzle delivers the molten plastic into the mold cavity. A cold runner system does not require the use of a nozzle and acts as a conduit for the molten plastic.
The design of a hot runner mold should balance the activity of plastic solution and mold cavities. Ideally, a mold with two cavities is better balanced than one with three. However, it is important to remember that a three-cavity mold requires a manifold balance of human activities.
Plastic mold runner systems are crucial for ensuring consistent fill rates and pressure. Whether you are producing single or multiple-cavity plastic parts, a runner system will keep your processes consistent. When choosing a runner system, make sure you have the right one for your application.
Hot runner systems can reduce cycle times by as much as 10 to 30 percent. They help improve quality control and minimize material waste by keeping the plastic molten throughout the molding process. Moreover, they help save on plastic raw materials and energy. These features make them ideal for large production lines.
A hot runner system can also help prevent overfilling a cavity. Make sure that the volume of the hot runner is equal to the volume of the mold cavity. Otherwise, the plastic solution will be trapped inside the hot runner for too long and decompose.
Hot runner systems come in many varieties. One type of hot runner system is called the sprue hot runner system. This system uses a mechanical valve to open and close a nozzle. This type of hot runner is more effective and efficient than a general-purpose hot runner. However, it is also more expensive.
In a three-plate mold, the runner system is positioned between the core and cavity plates. When the mold is opened, the runner system automatically separates from the molded part. This eliminates the need for manual labor, but increases the cost of tooling.
The runner system is important for producing parts that are both thin and thick. The runner should be narrow but large so as not to create voids and improve the overall performance of the final product. Runner systems are also important for reducing the amount of energy needed to form and regrind the material.
A hot runner system is one way to improve the speed and accuracy of plastic molding. It helps avoid problems with waste by reducing the amount of plastic wasted. Furthermore, a hot runner system also prevents expensive repairs. By adding a runner system to an injection molding system, you will ensure better quality and precision, and avoid unnecessary downtime and costly repairs.
Hot runner systems are ideal for high-volume productions. However, they require a higher level of maintenance. In addition, hot runner systems are difficult to clean and often leave waste material. Hidden runners may also be inconvenient to remove, especially when changing materials or colors. They can also lead to sticking issues if they are made from thermally sensitive materials.

Using a thermally isolated cold injection unit

Injection molded parttThermostatic control of temperature in an injection molding process can make a significant impact on part quality. High mold temperatures should be regulated by using a temperature-controlled cooling unit. These devices are equipped with pumping systems and internal heaters. The temperature of the injected plastic determines the plastic’s flow characteristics and shrinkage. Temperature also influences the surface finish, dimensional stability, and physical properties of the finished product.
A thermally isolated cold injection unit allows mold operators to mold parts at lower temperatures than a conventional injection molding machine. The injection mold itself is composed of two steel halves. The two halves are connected by a mechanical hinge. During injection molding, a small amount of plastic is forced into the mold cavity. The injected plastic is then allowed to cool into a solid state. The molded part then falls out of the mold halves. The injected part then enters a bin to be collected.
The heat/cool injection molding process can improve the aesthetics of molded parts significantly. The effects of this technique are particularly apparent with amorphous resins, which do not form a skin during the injection phase. The molded parts have a higher gloss than with conventional molding techniques.
This process requires less clamping force than conventional injection molding and offers more design freedom. It also increases process capacity and materials savings. The process control for this process is more complex, with variables such as the amount of melt injection, water pressure, and water injection delay time.
The angle of repose is another criterion. A low angle indicates that the pellets are free-flowing, while an angle above 45deg indicates that the pellets are not free-flowing. This is important when processing nylon resins.
Plastic injection molding has made huge advances in recent decades. Today, most injection molds fall into one of two types: hot runner and cold runner. Each has its advantages and disadvantages. Understanding how they differ will help you decide which method is right for you.
Injection molding is a highly effective manufacturing process that gives manufacturers a competitive edge over their competition. Using this process produces high-quality plastic and metal parts with minimal waste and a low cycle time. The process is also extremely accurate and produces products with the perfect blend of flexibility and strength.
China 1.2083 Cavity Mold Parts Made of Materials for Assembling Packing Molds     common injection molded partsChina 1.2083 Cavity Mold Parts Made of Materials for Assembling Packing Molds     common injection molded parts
editor by czh 2022-12-29