Custom abs plastic part moulding

In addition, our company has established cooperative relationships with plastic raw material suppliers, printing manufacturers, etc. to ensure the supply of raw materials and printing quality. Through our rich experience and perfect supply chain, our company can provide customers with high-quality customized custom abs plastic part moulding products to meet their specific needs. At the same time, we have 10 years of professional foreign trade service experience, understand the foreign trade process, and better serve our customers. For custom abs plastic part moulding products, we can make corresponding plastic parts, which is mainly done through injection molds.

Injection molding of custom ABS plastic parts is a highly mature and widely used technology. To consistently produce high-quality ABS parts, you must firmly grasp the following key points.

Key Points for Custom ABS Plastic Part Molding

Key Point 1: Material Handling - "Drying is Lifeline"

This is the most critical first step. ABS's slight hygroscopicity can ruin an entire production batch.

Thorough Drying is Essential: ABS pellets absorb moisture from the air during storage and transportation. Before injection molding, they must be dried in a dehumidifier at 80-85°C for 2-4 hours.

Consequences: Incomplete drying can lead to silver streaks (silver streaks), bubbles, a hazy surface, and material degradation, significantly reducing strength.

Key Point 2: Mold Design - "Details Determine Success or Failure"

The mold directly determines the shape, appearance, and precision of the part.

Gating Design: Select the gate type based on the product's appearance requirements. Side gates and fan gates are commonly used on non-appearance surfaces. For parts with extremely high aesthetic requirements, latent gates or valve gate hot runners can be used to achieve minimal and aesthetically pleasing gate marks.

Venting System: Adequate venting is essential. Inadequate venting can lead to defects such as burning (brown or black streaks appearing on the part surface) and incomplete filling. Vents are typically located on the parting surface and at the insert mating point, with a depth of 0.02-0.03mm.

Cooling System: Uniform and efficient cooling is crucial. Uneven cooling can cause part warping, deformation, and internal stress.

Draft Angle: ABS shrinkage is approximately 0.4%-0.7%, so sufficient draft angle (typically at least 1°) is required to facilitate ejection and prevent surface damage.

Key Point 3: Injection Molding Process - "The Art of Mastering"

Process parameters are the "steering wheel" for controlling product quality.

Temperature Control:

Barrel Temperature: The typical processing temperature range for ABS is 190-250°C. Too low a temperature results in poor plasticization and poor fluidity; too high a temperature can cause material decomposition (overheating can produce yellow streaks).

Mold temperature: Mold temperature significantly affects the appearance and internal stress of ABS products. It is recommended to maintain a mold temperature between 50-80°C.

High mold temperature (60-80°C): Benefits abound.

Improves surface gloss, making parts more beautiful.

Reduces weld line strength, making weld lines less noticeable.

Reduces internal stress, improving part dimensional stability and crack resistance.

Low mold temperature (<50°C): May result in poor surface gloss, noticeable weld lines, and high internal stress.

Pressure and speed:

Injection speed: Medium or high injection speeds are beneficial for achieving a glossy surface. However, excessive speeds may cause jetting (serpentine) or trapped air.

Holding pressure and time: These are key factors in controlling shrinkage (sinking). Sufficient holding pressure is required to compensate for plastic shrinkage during cooling, especially in ribs and thick wall areas. The holding time is based on the gate freezing. Too short a time will result in shrinkage, while too long a time will cause high internal stress and low efficiency.

Key Point 4: Product Design - "Innate Advantage"

Excellent design is the prerequisite for successful production.

Uniform wall thickness: This is the most important design principle. Uneven wall thickness is the primary cause of shrinkage, warping, and internal stress.

Rim fillet transition: All sharp corners should be rounded. This significantly reduces stress concentration, improves plastic flow, and increases part strength.

Rib design: Rib thickness should not exceed 50%-60% of the wall thickness at which it is attached to prevent shrinkage marks on the back surface.

Key Point 5: Post-Processing and Quality Inspection

Post-Processing: Annealing can be performed for parts with high internal stress or extremely high dimensional accuracy requirements. Heat the part in an oven at 70-80°C (below the heat deflection temperature of ABS) for a period of time, then slowly cool to room temperature to eliminate internal stress.

Quality Inspection:

Appearance: Check for shrinkage, flash, burn marks, weld marks, color difference, etc.

Dimensions: Use calipers, 3D dies, and other tools to inspect critical dimensions.

Performance: Test impact strength as needed (e.g., Izod impact test).

ABS Injection Molding Key Points Summary Table

Material Handling: Absolutely dry, 80-85°C, dehumidify and dry for 2-4 hours. Silver streaks, bubbles, and strength loss will occur.

Mold Temperature: Reduce internal stress and achieve high gloss. 50-80°C (60-80°C recommended). Visible weld marks, matte surface, and stress cracking will occur.

Press Control: Prevent shrinkage. Ensure adequate pressure and time, focusing on thick wall areas and surface concavity (shrinkage).

Product Design: Ensure uniform wall thickness, rounded corners, and properly designed ribs. Warping, deformation, and shrinkage will be avoided.

As an excellent manufacturer, our value lies in:

DFM (Design and Manufacturing Feasibility): Provide customers with professional design optimization suggestions before mold opening to prevent production problems at the source.

Process debugging experts leverage their experience to quickly identify optimal process windows and resolve production defects.

Strict quality control: Through SPC (Statistical Process Control) and full and spot checks, we ensure the stability and consistency of batches.

We are a custom abs plastic part moulding manufacturer, providing high-quality custom abs plastic part moulding manufacturing. As long as you want to customize/develop custom abs plastic part moulding products, you can find us. We have professional injection mold design and mature manufacturing technology, providing you with one-stop service, from product design-mold making-product production-product packaging-product transportation, we can help you in every link. As long as you come to us, we will provide you with the ultimate service and satisfy you in terms of product quality, production time, information dialogue, etc.

Plastic Injection Mould making

Plastic molding specifications

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Factory

We are Custom Plastic Mold factory. Our factory is plastic injection mold maker. we has 17 years of experience in professional custom plastic mold and 10 years of foreign trade experience. We are custom Plastic Mold supplier. We can provide custom Plastic Mold service. Our factory can make the Injection molded plastic parts, and the quality of the products will satisfy you.

We have more than 50 high-end machines and hundreds of engineers and designers. We can provide one-stop service, from product design - mold making - product production - product packaging - transportation. We have a complete production chain. We can meet all your requirements.

Services we provide:

Professional custom mold service, Plastic mold design and manufacturing .plastic product production, product design, mold design, blow mold customization, rotational mold customization, die-casting mold customization. 3D printing services, CNC manufacturing services, product packaging, customized packaging, shipping services.

We always adhere to the principles of quality first and time first. While providing customers with the highest quality products, try to maximize the production efficiency and shorten production time. We are proud to tell every customer that our company has not lost any customer since its establishment.If there is a problem with the product, we will seek a solution actively and take responsibility to the end.

FAQ

Q1: Are you trading company or manufacturer ?

A: We are manufacturers.

Q2. When can I get the quotation?

A: We usually quote within 2 days after we get your inquiry.

If you are very urgent, please call us or tell us in your email so that we can quote for you first.

Q3. How long is the lead-time for mold?

A: It all depends on the products' size and complexity. Normally, the lead time is 25 days.

Q4. I have no 3D drawing, how should I start the new project?

A: You can supply us a molding sample, we will help you finish the 3D drawing design.

Q5. Before shipment, how to make sure the products quality?

A: If you don't come to our factory and also don't have the third party for inspection, we will be as your inspection worker.

We will supply you a video for production process detail include process report, products size structure and surface detail, packing detail and so on.

Q6. What is your payment terms?

A: Mold Payment: 40% deposit by T/T in advance, 30% second mold payment before sending out the first trial samples, 30% mold balance after you agree the final samples.

B:Production Payment: 50% deposit in advance, 50% before sending out the final goods.

Q7: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit for best quality products.

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.