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

Based on the special use environment of agricultural parts (high dust, chemical corrosion, severe impact, etc.), its injection molding needs to strengthen weather resistance, structural strength and cost control on the basis of general technology. The following are the five core points and technical strategies for agricultural machinery parts:

1. The core logic of material selection

Structural parts (gearbox/bracket): glass fiber reinforced nylon (PA6+GF30%), bending strength>180MPa, adding anti-ultraviolet masterbatch

Fluid parts (nozzle/valve): toughened polyoxymethylene (POM-H), pesticide corrosion resistance, surface finish Ra<0.8μm

Shell/cover: weather-resistant PP+talcum powder (20-30% filling), low temperature toughness (-30℃ impact>25kJ/m²)

Key pretreatment: nylon must be dried at 120℃ for 4 hours (water content<0.1%)

Add anti-hydrolysis agent (such as carbodiimide) to cope with humid farmland environment

2. Special design of agricultural machinery molds

Wear protection

Tungsten steel inserts (hardness HRC≧90) are used for the gate to deal with glass fiber wear (such as rotary tillage blade bracket)

Micro-arc oxidation treatment on the cavity surface (thickness 5-8μm) increases the wear resistance life by 3 times

Anti-corrosion structure

Add auxiliary exhaust grooves (depth 0.03mm×width 10mm) to avoid corrosion from pesticide residual gas

Nickel plating treatment (thickness 15μm) on the ejector system to prevent rust in the fertilizer environment

3. Precise control of templates for process parameters

[Take harvester gearbox cover (PA6+GF30%) as an example]

1. Melt temperature: 250-265℃ (front section) / 235-245℃ (rear section)

→ Too high temperature leads to degradation of glass fiber, too low temperature leads to insufficient fluidity

2. Injection molding segmentation:

Section I: High-speed injection (80mm/s) fills 90% of the cavity

Stage II: Reduce speed to 30mm/s + maintain pressure at 80MPa (eliminate weld line)

3. Mold cooling:

Front mold: 60℃ (water cooling) to ensure surface gloss

Back mold: 85℃ (oil temperature machine) to reduce glass fiber orientation shrinkage

IV. Strengthening post-processing of agricultural machinery parts

Ultraviolet aging: 2 years of field exposure, embrittlement and cracking, adding benzotriazole UV absorber (0.8-1.2%)

Stress cracking: pesticide solvent penetration causes cracking, annealing treatment: 100℃×wall thickness (mm)×1.2 minutes

Winter brittle fracture: -25℃ operation impact failure, insert preheating (80℃) and then encapsulation molding

V. Cost control and batch management

Modular design

Universal interface parts (such as buckles/bolt seats) use standard mold bases (such as LKM 3030), reducing unit cost by 30%

Intelligent production monitoring

Using IoT sensors to monitor:

Barrel temperature fluctuation ≤±3℃

Clamping force attenuation warning (>5% automatic compensation)

Each batch is sampled for falling ball impact test (1kg steel ball 1m height) to simulate stone impact

Golden rule for agricultural machinery injection molding:

"Three protections and one strength are the foundation - anti-rust, anti-corrosion and anti-ultraviolet, strong and low cost;

Glass fiber orientation controls temperature difference, and post-processing eliminates internal stress."

Typical case optimization:

The original cycle of the tractor fuel tank cap (material: PA66+GF35%) was 55 seconds. Through the following improvements:

The spacing of the cooling water channel was increased from 15mm to 10mm → The cooling time was shortened by 8 seconds

The pressure holding curve was increased from 2 sections to 4 sections (peak 85MPa→60MPa step-down) → The shrinkage rate was reduced from 5% to 0.3%

Comprehensive benefits: The unit cost was reduced by 22%, and the field service life was increased from 3 years to 5 years

agriculture injection moulding

We are a agriculture injection moulding manufacturer, providing high-quality agriculture injection moulding manufacturing. As long as you want to customize/develop agriculture injection 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.

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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.