150cc scooter plastic parts 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 150cc scooter plastic parts 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 150cc scooter plastic parts moulding products, we can make corresponding plastic parts, which is mainly done through injection molds.

The entire process of injection molding for 150cc scooter plastic parts

Phase One: Design and Material Selection - The Foundation of Performance and Safety

This stage determines the final performance and service life of the parts.

Analysis of Key components

Large exterior components: front fenders, side covers, rear covers, etc. High gloss, UV resistance and impact resistance are required.

Structural functional components: foot pedals, inner mudguards, storage boxes, etc. High rigidity, resistance to trampling and fatigue are required.

Engine peripheral parts: Special parts for motorcycles, such as air deflectors, chain boxes, etc. It is required to be heat-resistant and oil-resistant.

Material selection - Upgrade specifications:

The preferred choice for appearance parts is ABS or PC/ABS alloy. PC/ABS combines the impact resistance of PC and the processability of ABS. Its impact resistance far exceeds that of ordinary ABS, making it more suitable for the higher-risk impacts that 150cc May face. The surface can be treated by spraying or electroplating.

Structural components/foot pedals: High-impact PP (PP+EPDM) or long glass fiber reinforced polypropylene (PP-LGF). The latter offers strength and rigidity close to that of engineering plastics, is lightweight and cost-effective.

High-temperature resistant parts around the engine: nylon (PA6 or PA66), especially glass fiber reinforced nylon (PA+GF), can withstand the engine room environment temperature as high as 120-140℃ and oil stains for a long time.

Core additive: It is necessary to add highly efficient UV inhibitors to prevent fading, powdering and becoming brittle under long-term outdoor exposure to the sun.

Phase Two: Mold Design and Manufacturing - Ensuring Precision and Efficiency

Molds are the key to ensuring consistency in mass production.

Large and complex molds: The parts are large in size, and the molds usually adopt large mold bases and are processed by gantry CNC.

Mold Flow analysis (Moldflow) : Indispensable. Simulate plastic filling, pressure holding, cooling and warpage through CAE software to predict and optimize in advance

Weld mark position: Guide it to the non-visible surface or low-stress area.

Bubble (trapped air) position: Open exhaust slots on the mold in advance.

Deformation caused by uneven cooling: Optimize the design of the cooling waterway.

Hot runner system: Standard configuration. The multi-point needle valve type hot runner is adopted to ensure uniform and rapid filling of large parts, reduce the flow length ratio and internal stress, and save raw materials.

Efficient cooling system: The conformal cooling waterway is designed to be as close as possible to the cavity surface, achieving rapid and uniform cooling, significantly shortening the cycle and reducing warpage.

Complex action mechanisms: Many body parts have clips and installation holes, which require the use of multiple sliders and inclined roof mechanisms.

High-grade surface treatment: The cavity of the appearance parts needs to undergo high-gloss polishing or fine etching (such as leather grain) to enhance the texture and hide defects.

Phase Three: Injection Molding Process - The key to achieving product performance

The process parameters need to be precisely adjusted to unleash the potential of the materials.

Strict material pretreatment: Materials such as ABS, PC/ABS, and PA must be strictly dried in a dehumidifying dryer (for example, PC/ABS should be dried at 100-110℃ for 3-4 hours) to prevent hydrolytic degradation and silver streaks.

Selection of injection molding machines: Large tonnage and high injection volume injection molding machines are required, with sufficient clamping force to prevent flash.

Core process

Higher mold temperature

ABS/PC: Mold temperature 60-80℃ to reduce internal stress and achieve a high-gloss surface.

PA: Mold temperature 80-100℃ promotes crystallization and achieves the best mechanical strength and heat resistance.

Multi-stage injection: Adopt a "slow-fast-slow" injection speed curve to eliminate jet streaks and ensure smooth filling.

Multi-stage pressure holding: By using a high-pressure and long-duration pressure holding profile, it fully compensates for shrinkage, especially behind the ribs, preventing shrinkage and ensuring the dimensional stability and structural density of the parts.

Phase Four: Post-processing and Ultimate Quality Inspection - Ensuring zero defects before leaving the factory

Post-processing

Annealing treatment: For PC/ABS or PA materials, especially parts with uneven wall thickness, annealing treatment is carried out to eliminate internal stress and prevent cracking in the future due to vibration or changes in environmental temperature.

Coating: The appearance parts are sent to the spraying line for primer, topcoat and clear coat treatment to enhance their aesthetic appeal and weather resistance.

rigorous quality inspection  :

Dimensional inspection: Use a three-coordinate measuring machine (CMM) to inspect the key installation hole positions and fit dimensions to ensure a perfect match with the frame.

Appearance inspection: 100% check for color difference, shrinkage, flow marks, scratches, etc. under standard light sources.

Performance test (above the ordinary standard)

Impact test: Use a steel ball of a specific weight to strike the part from a specified height, simulating the impact of a stone or a slight bump, to check if it breaks.

Vibration fatigue test: Install the parts on a simulated vehicle frame and conduct a long-term vibration test to check if there are any cracks at the installation points.

Weather resistance test: Accelerated aging tests are conducted in a UV aging test chamber (QUV) to simulate years of exposure to sunlight, verifying the stability of color and material.

Chemical resistance test: Test the resistance to gasoline, engine oil, cleaning agents, etc.

We are a 150cc scooter plastic parts moulding manufacturer, providing high-quality 150cc scooter plastic parts moulding manufacturing. As long as you want to customize/develop 150cc scooter plastic parts 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

Mold design:

Transaction process:

Mold testing:

Product packaging

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.