Large Part Injection Molding Service

Specializing in high-precision, durable large part injection molding for automotive, aerospace, and industrial sectors. Advanced machinery and engineering expertise ensure superior quality and rapid turnaround.
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LOW MOQ 100 PCS

Complex Part Precision Molding

Fast Turnaround & Global Shipping

Machines Ranging From 30 Tons to 1,600 Tons

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8 Key Industries Relying on Large Part Injection Molding Solutions

PTSMAKE delivers large part injection molding solutions with 0.1mm precision across these industries. Our 20+ year expertise ensures ISO-certified production from prototype to 100,000+ unit orders.
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Automotive Components

Bumpers, dashboards, door panels, center consoles, engine covers.
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Home Appliances

Washing machine housings, refrigerator door panels, air conditioner shells, water dispenser frames.
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Consumer Electronics

TV bezels, monitor housings, speaker enclosures, smart home device casings.
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Industrial Machinery

Equipment casings, injection molding machine plates, ventilation ducts, industrial tanks.
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Logistics & Storage

Plastic pallets, bulk storage bins, container liners, shelving components.
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Construction & Building Materials

PVC pipes, window/door frames, drainage channels, acoustic panels.
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Sports & Fitness Equipment

Treadmill frames, gym machine covers, rowing machine parts, pool stairs.
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Medical Equipment

hospital bed components, protective covers for diagnostic devices, large sterilization containers.

Why Choose PTSMAKE for Large Part Injection Molding?

Trusted Expertise

PTSMAKE has over 20 years of injection molding experience, providing solutions trusted by global brands like BMW and Huawei.

Advanced Technology

Utilizing advancedmachines, we ensure dimensional accuracy and optimize designs, reducing production costs by up to 30%.

Rapid Turnaround

Our 50+ advanced molding machines enable 15-day prototype cycles and 30% faster production timelines.

Rigorous Quality

Our 3-stage quality checks maintain a defect rate below 0.2% with full traceability for every molded parts.

How We Ensure Quality Control in Large Part Injection Molding at PTSMAKE

  • At PTSMAKE, quality control starts before production begins. Our team reviews every design for large part injection molding projects to identify potential flaws. We use advanced simulation software to predict material flow, cooling patterns, and structural integrity. This helps us prevent defects like warping or sink marks in your large plastic components.
  • We maintain strict control over raw materials for injection molding. All polymer resins undergo thorough testing for viscosity, melt flow rate, and thermal stability. Our material traceability system tracks every batch from supplier to finished part. This ensures consistency across production runs, even for complex geometries common in automotive and aerospace applications.
  • Our injection molding machines feature real-time monitoring systems. Temperature, pressure, and cycle times get tracked automatically during large part production. If any parameter deviates from set standards, our technicians receive immediate alerts. This proactive approach prevents quality issues rather than detecting them after production.
  • Every molded large part undergoes dimensional verification using CMM (Coordinate Measuring Machines). We check critical features against CAD models with ±0.01mm accuracy. For high-stress applications like robotics components, we perform additional load testing and fatigue analysis. Our quality reports include detailed measurements and process data for complete transparency.
  • PTSMAKE maintains ISO 9001 certification with documented quality procedures. Our quality team conducts regular audits of production processes and equipment calibration. We provide customers with first-article inspection reports and random sampling data. This systematic approach has helped us maintain 99.3% on-time delivery with zero critical defects since 2010.
A Contura coordinate measuring machine in a workshop setting.
"PTSMAKE delivered **large plastic housings** for our robotics project with **0.2mm tolerance**. Their team fixed a warping issue fast and shipped samples in 18 days. Perfect for tight deadlines
Jake Miller, Production Director, USA"

Top Materials Used in Large Part Injection Molding

Polypropylene (PP)

PP is widely used for large injection molding due to its low cost, chemical resistance, and flexibility.

ABS

ABS offers high impact strength and smooth surfaces, ideal for automotive and consumer electronics parts.

Polyethylene (PE)

PE provides excellent moisture resistance and durability, commonly used for industrial containers and components.

Polycarbonate (PC)

PC delivers high transparency and heat resistance, perfect for optical and high-temperature applications.

Nylon (PA)

Nylon is chosen for its wear resistance and strength, often used in gears and mechanical components.

POM

POM ensures low friction and high stiffness, preferred for precision gears and sliding parts.

PET

PET offers strong dimensional stability, commonly used for packaging and structural components.

TPE

TPE combines rubber-like flexibility with moldability, suitable for seals and soft-grip handles.

Typical Lead Times for Large Part Injection Molding

Balancing speed and precision in manufacturing timelines

  • Manufacturers often ask, “How long does large part injection molding take?” At PTSMAKE, we deliver prototypes in 7-15 days and production batches in 3-5 weeks. Lead times depend on mold complexity, material availability, and order size. We optimize schedules using our in-house mold-making team and automated production systems.
  • Large parts require extra care. Thicker walls and complex geometries add cooling and quality-check steps. For example, automotive components may need 10% more time than standard parts. We reduce delays by pre-testing materials and using multi-cavity molds for high-volume orders.
  • Your timeline matters. Our 24/7 project tracking portal lets you monitor progress in real-time. We assign a dedicated engineer to every order, ensuring fast communication. With 20+ years of experience, we’ve shortened lead times by 18% since 2010 while maintaining ISO-certified quality.
Industrial injection mold setup by PTSMAKE

Steps for Large Part Injection Molding Manufacturing

Learn the key steps to produce high-quality large injection molded parts efficiently.

1. Material Selection

Choose engineering-grade polymers (e.g., ABS, PC, PA) based on part function and durability needs. PTSMAKE uses certified materials to ensure consistency.

2. Mold Design

Create CAD models with draft angles and cooling channels. Our 20+ years of mold-making expertise ensures defect-free designs.

3. Prototype Testing

Verify mold functionality with 3D-printed prototypes. We offer fast prototyping to reduce lead times.

4. Machine Setup

Use 500-4000-ton injection machines for large parts. Our facilities house industry-leading equipment for precision.

5. Process Optimization

Adjust temperature, pressure, and cycle times. PTSMAKE’s engineers minimize waste while maintaining tolerances.

6. Quality Inspection

Check dimensions with CMM and CT scanners. We meet ISO 9001 standards for aerospace/medical clients.

7. Post-Processing

Apply trimming, surface finishing, or assembly. Custom solutions available for robotics/automotive industries.

8. Packaging & Delivery

Use anti-scratch coatings and shock-proof packaging. We ship globally with real-time tracking.

Request a Custom Quote Today

Get an accurate estimate for your project today. Let us help you meet your exact specifications.

Cost-Effective Solutions for Large Part Injection Molding

Balancing quality and affordability requires smart strategies. Here are 7 proven methods to cut costs without compromising precision.
1. Material Optimization
Selecting cost-effective resins (like PP or ABS) reduces raw material expenses. PTSMAKE engineers analyze part geometry to minimize waste through advanced nesting software.
Multi-cavity molds increase output per cycle. Our 20+ years’ expertise ensures durable tooling with quick-change inserts to reduce downtime.
Robotic part removal and conveyor systems cut labor costs. PTSMAKE’s automated production lines maintain ±0.02mm tolerance consistency.
All-electric injection machines at our facilities use 40% less energy than hydraulic models, lowering operational costs.
Order consolidation maximizes machine utilization. We offer volume discounts for orders over 10,000 pieces while guaranteeing 98% on-time delivery.
Reducing undercuts and wall thickness variations decreases cycle time. Our DFM analysis typically identifies 12-18% cost-saving opportunities.
In-mold labeling/texturing at PTSMAKE removes post-processing steps. Our single-source service handles CNC machining and molding under one roof.

Customization Options for Large Part Injection Molding

Meet unique manufacturing needs with PTSMAKE’s specialized PEEK injection molding services
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Custom Material Selection for Large Part Injection Molding

PTSMAKE offers 50+ engineering-grade plastics for large part injection molding projects. We help clients choose materials based on mechanical strength, temperature resistance, and chemical compatibility requirements. Our team works with ABS, Polycarbonate, Nylon, PEEK, and custom polymer blends for specialized applications.

For medical or food-grade projects, we provide USP Class VI and FDA-compliant materials. Our material experts optimize resin selection to balance performance with production costs. This ensures your large molded parts meet exact functional needs without overspending.

Advanced Tooling Design Options

Our engineers create custom injection molds using Siemens NX software. We design multi-cavity tools and insert molds for high-volume production. For large parts exceeding standard machine sizes, we utilize 4,500T clamping force machines with 6m x 3m platens.

PTSMAKE handles undercuts and thin-wall designs (as low as 0.5mm) through our patented side-action mechanisms. All molds include temperature control channels to prevent warping in large components. We implement real-time pressure monitoring to ensure consistent filling.

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Surface Finish Customization

Choose from 12 standard surface finishes or request custom patterns. Our texturing capabilities include leather grains, matte finishes, and high-gloss polishing (Ra 0.05μm). For technical parts, we offer anti-slip textures or light-diffusing surfaces.

Secondary operations include painting, pad printing, and laser etching. We maintain color consistency across batches using Pantone-matching systems. All finishes undergo adhesion testing to guarantee durability.

Production Scale Flexibility

PTSMAKE supports all production stages. Get functional prototypes in 7-10 days using aluminum molds. Our bridge tooling solution delivers 500-5,000 parts while final steel molds are being made. For mass production, we operate 24/7 with automated quality checks.

Our ISO 9001-certified facility handles parts up to 150kg with ±0.15mm tolerance. We maintain separate production lines for medical-grade and industrial components to prevent contamination.

Success Stories: Large Part Injection Molding Solutions

Automotive Parts

A leading automotive parts supplier needed large plastic housings for electric vehicle battery systems. Their previous vendor struggled with warping and inconsistent wall thickness, causing assembly line delays. PTSMAKE redesigned the mold with conformal cooling channels and implemented real-time pressure monitoring during production. This reduced cycle time by 18% while maintaining ±0.15mm dimensional accuracy across 1.2-meter-long components. The client now produces 8,000 units monthly with zero assembly rejections since switching to our large part injection molding services.

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Medical Equipment

A medical equipment manufacturer required FDA-compliant MRI machine covers measuring 1.5m x 0.8m. Their existing supplier couldn’t eliminate flow lines and sink marks on the visible surfaces. Our team developed a three-stage gas-assisted injection process using medical-grade polycarbonate. We achieved Class A surface finish without post-processing while meeting strict biocompatibility standards. The solution cut their per-unit costs by 22% compared to traditional machining methods.

Industrial Robotics

An industrial robotics company needed durable nylon housing for heavy-duty automation systems. Competing proposals either exceeded budget or compromised on impact resistance. PTSMAKE created a hybrid approach combining insert molding and our proprietary fiber-reinforcement technique. The resulting components withstand 15% higher torque loads than specifications required while maintaining 0.05mm positional accuracy across mating surfaces.

Plastic injection pulley component by PTSMAKE

Contact Custom Large Part Injection Molding Expert Today!

We look forward to the opportunity to work with you and contribute to your project’s success.

Overcoming Common Challenges for Large Part Injection Molding

Large part injection molding requires specialized expertise to address unique manufacturing hurdles. Here’s how PTSMAKE tackles these challenges with precision and reliability.
Challenge 1: Material Selection for Heavy-Duty Applications
Choosing the right material ensures durability and performance. Large plastic components face higher stress, requiring materials with optimal strength and thermal stability. PTSMAKE’s engineers use advanced simulation tools to test material behavior under real-world conditions, minimizing trial runs.
Warpage occurs due to uneven cooling or residual stress. For big injection-molded parts, even minor distortions can cause assembly failures. We use advanced cooling systems and stress-relief protocols to maintain dimensional accuracy.
Thick-walled parts cool unevenly, leading to sink marks or voids. Our team optimizes cooling channel designs using mold flow analysis, ensuring uniform temperature distribution. This reduces cycle times and improves surface quality.
Large molds demand precision engineering for consistent part quality. PTSMAKE’s multi-disciplinary team designs molds with modular components and easy maintenance access, reducing downtime and extending tool life.
High-volume orders risk quality inconsistencies. We combine automated monitoring systems with strict process controls to maintain tolerances (±0.01mm) across batches. Our scalable solutions fit both low-volume and mass production needs.

Large Part Injection Molding FAQs

Q1: What size limits exist for large part injection molding?
A: PTSMAKE handles parts up to 80″×40″×20″ with 3,000-ton presses. Our ISO-certified facilities specialize in high-precision large parts for robotics and automotive applications.
A: We use AI-assisted mold flow analysis and temperature-controlled tooling. With 20+ years of molding expertise, we maintain ±0.02″ tolerance on large parts.
A: We recommend glass-filled nylon, PEEK, or ABS-PC blends. Our engineers help select materials balancing strength and cost-effectiveness for your application.
A: Yes. Our 5-axis CNC-machined molds and real-time pressure monitoring ensure ±0.02″ accuracy on parts up to 2 meters in length.
A: Most large molds make in 7-9 weeks. Expedited 5-week options available using our modular mold base inventory.
A: Our vertical integration allows insert molding and CNC machining in one facility. We’ve assembled complex robotics components for clients like Robotics.
A: Every large part undergoes 3D scanning and mechanical testing. Our 12-step quality process reduced defects by 37% for BMW suppliers last year.
A: Yes. We delivered 50 prototype units followed by 12,000+ production parts for a medical device client within 90 days.
A: Our modular mold systems and conformal cooling tech cut tooling costs by 15-30%. Recent projects achieved $48K savings on agricultural equipment molds.
A: Top sectors: robotics (23%), automotive (31%), industrial machinery (27%). We handle Class A surfaces and structural components equally well.

Contact PTSMAKE to Start Your Project

PTSMAKE – Your Next-Generation Partner for Large Part Injection Molding, from Prototype to Production.

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