S & T Engineers Private Limited

150 Tons STM Plastic Injection Molding Machine

High-Precision Injection Moulding Machine for Small & Medium Plastic Components

The 150 Tons STM Plastic Injection Molding Machine is a compact, high-efficiency plastic processing solution designed for accurate, repeatable, and cost-effective moulding of small to medium plastic components. Engineered for consistent performance, this 150 ton injection moulding machine is ideal for manufacturers focused on precision parts, stable cycle times, and long-term production reliability.

Built with a rigid clamping structure and reliable mould locking system, the machine ensures excellent mould alignment, reduced flash, and uniform part quality. It is widely used in automotive ancillaries, electrical components, packaging items, medical disposables (non-implant), and consumer plastic products. The balanced machine design supports continuous production with low maintenance requirements, making it suitable for both job shops and OEM manufacturing units.

Machine Construction & Clamping Performance

The strong clamping unit delivers stable mould locking during injection, improving dimensional accuracy and mould life while supporting high-speed production.

Key technical specifications include:
• Machine Capacity: 150 Ton
• Clamping Force: 800 kN – 8000 kN
• Tie-Bar Distance: 360 × 360 mm to 580 × 580 mm
• Clamping Stroke: 320 – 560 mm
• Minimum Mould Height: 150 – 200 mm
• Maximum Mould Height: 350 – 580 mm

Plastic Processing Capability

The machine is suitable for processing a wide range of thermoplastics used in small precision components. Stable clamping pressure and controlled mould movement ensure consistent output, reduced rejection, and smooth surface finish.

Productivity & Manufacturing Advantages

The STM 150 ton injection moulding machine delivers fast cycle times, repeatable accuracy, and low energy consumption. Its compact footprint and flexible mould compatibility make it ideal for multi-product manufacturing environments.

Industry Applications

This 150 Tons Plastic Injection Molding Machine is widely used for:
• Automotive small components
• Electrical & electronics parts
• Packaging caps, closures & thin-wall items
• Consumer goods & household products
• Medical non-implant plastic components
• Toys & small recreational products
• Plumbing & sanitary fittings
• Stationery & office products
• Industrial small plastic parts
• Agriculture accessories
• Cosmetic packaging components

Key Advantages

• Compact and reliable 150 ton injection moulding solution
• Stable clamping for precision moulding
• Suitable for high-volume small part production
• Reduced scrap and consistent quality
• Long service life with low maintenance
• Ideal for OEMs and plastic job shops

The 150 Tons STM Plastic Injection Molding Machine is a proven, scalable solution for manufacturers seeking accuracy, productivity, and dependable plastic moulding performance.

100 Tons Thin Wall Plastic Injection Molding Machine

High-Speed Injection Moulding Machine for Thin-Wall Packaging Applications

The 100 Tons Thin Wall Plastic Injection Molding Machine is a high-performance plastic processing solution specially engineered for thin-wall injection moulding applications requiring fast cycle times, high cavity productivity, and consistent part quality. Designed for packaging manufacturers, this thin wall injection moulding machine delivers excellent mould locking stability, precise clamping control, and reliable performance in high-speed production environments.

Thin-wall moulding demands rapid injection, stable clamping force, and accurate mould alignment to prevent flash and deformation. The STM thin wall injection moulding machine is built to meet these requirements, making it ideal for food-grade and disposable packaging production where dimensional accuracy, lightweight design, and surface finish are critical.

Machine Design & Clamping Performance

The rigid clamping unit ensures stable mould locking even during high-speed injection, supporting thin wall moulds with multiple cavities and short cycle times. Optimized platen design and precise mould height control improve repeatability and mould life.

Key technical specifications include:
• Machine Capacity: 100 Tons (Thin Wall Application)
• Clamping Force: 800 kN – 8000 kN
• Tie-Bar Distance: 360 × 360 mm to 580 × 580 mm
• Clamping Stroke: 320 – 560 mm
• Minimum Mould Height: 150 – 200 mm
• Maximum Mould Height: 350 – 580 mm

Thin-Wall Processing Capability

This machine is suitable for processing PP, thin-wall grades, and food-approved plastics used in disposable and FMCG packaging. Controlled clamping and smooth mould movement help achieve uniform wall thickness, reduced material usage, and consistent product quality.

Productivity & Manufacturing Benefits

The STM 100 ton thin wall injection moulding machine supports fast cycle production, reduced scrap, and high output per shift. Its stable operation and energy-efficient design make it suitable for continuous packaging production lines.

Industry Applications

Widely used in:
• Food packaging & dairy packaging
• FMCG and disposable containers
• Thin-wall cups, bowls, lids & caps
• Takeaway & ready-meal packaging
• Pharmaceutical disposable packaging
• Confectionery packaging
• In-Mould Label (IML) containers
• QSR & food service packaging
• Single-use plastic alternative products

Key Advantages

• Designed for high-speed thin wall injection moulding
• Excellent mould locking for multi-cavity moulds
• Lightweight product capability with uniform wall thickness
• Reduced cycle time and material consumption
• Consistent quality for food-grade packaging
• Ideal for high-volume packaging manufacturers

The 100 Tons Thin Wall Plastic Injection Molding Machine is a reliable and scalable solution for manufacturers focused on fast, lightweight, and cost-efficient plastic packaging production.

500 Ton PET Injection Moulding Machine

High-Capacity PET Injection Moulding Machine for Preform & Packaging Production

The 500 Ton PET Injection Moulding Machine is a heavy-duty, high-performance plastic processing machine designed specifically for PET preform manufacturing and large-volume packaging applications. Built to handle high injection pressure and stable mould locking, this machine delivers consistent preform quality, high output, and long-term operational reliability for beverage and packaging manufacturers.

Engineered for continuous industrial production, the 500 ton PET injection moulding machine is widely used in bottled water, soft drinks, edible oil, pharmaceutical, and food packaging industries. The robust clamping system ensures accurate mould alignment, reduced flash, and uniform preform weight, even during high-speed multi-cavity production.

Machine Construction & Clamping Performance

The rigid machine structure and powerful clamping system provide excellent stability during PET processing, supporting long mould life and consistent cycle performance.

Key technical specifications include:
• Machine Capacity: 500 Ton
• Clamping Force: 800 kN – 8000 kN
• Tie-Bar Distance: 360 × 360 mm to 580 × 580 mm
• Clamping Stroke: 320 – 560 mm
• Minimum Mould Height: 150 – 200 mm
• Maximum Mould Height: 350 – 580 mm

PET Processing Capability

The machine is optimized for PET material processing, offering precise control over injection pressure, temperature stability, and repeatability. This ensures defect-free preforms with excellent transparency, dimensional accuracy, and strength.

Manufacturing Advantages

High clamping stability and controlled mould movement improve production efficiency and reduce rejection rates. The machine supports high-cavity PET moulds, making it ideal for mass production environments focused on output consistency and cost efficiency.

Industry Applications

The 500 Ton PET Injection Moulding Machine is extensively used in:
• PET preform manufacturing
• Beverage and bottled water packaging
• Soft drinks and carbonated beverage bottles
• Edible oil and food-grade containers
• Pharmaceutical packaging
• Cosmetics and personal care packaging
• Food and dairy packaging
• Chemical and agrochemical containers
• Wide-mouth jars and containers
• Heavy-wall PET preforms
• Industrial PET containers

Key Advantages

• High-capacity 500 ton PET moulding solution
• Stable clamping for multi-cavity PET moulds
• Consistent preform weight and quality
• Suitable for high-speed mass production
• Reduced scrap and long mould life
• Reliable performance for 24/7 operation

The 500 Ton PET Injection Moulding Machine is a proven and scalable solution for manufacturers seeking high output, consistent quality, and dependable PET packaging production.

400 Ton PET Injection Moulding Machine

High-Output PET Preform Injection Moulding Machine for Packaging Industries

The 400 Ton PET Injection Moulding Machine is a high-performance industrial solution engineered for precision PET preform manufacturing and high-volume packaging applications. Designed to deliver stable clamping force, consistent mould locking, and reliable cycle performance, this machine is ideal for manufacturers producing PET preforms for beverages, food, pharmaceuticals, and industrial containers.

Built with a robust clamping unit and precision-guided platen system, the 400-ton PET injection moulding machine ensures uniform pressure distribution across the mould, reducing flash, improving neck finish quality, and enhancing mould life. Its optimized clamping geometry supports multi-cavity PET moulds used in mass production environments.

Technical Specifications

• Machine Capacity: 400 Ton
• Clamping Force: 800 kN – 8000 kN
• Tie-Bar Distance: 360 × 360 to 580 × 580 mm
• Clamping Stroke: 320 – 560 mm
• Minimum Mould Height: 150 – 200 mm
• Maximum Mould Height: 350 – 580 mm

These specifications make the machine suitable for wide-mouth jars, heavy-wall PET preforms, and high-neck-finish accuracy moulds.

Performance & Manufacturing Advantages

The machine is designed for continuous PET production with high repeatability and low rejection rates. Stable clamping force minimizes mould deformation, while precise stroke control improves dimensional consistency across batches.

Key benefits include:
• High productivity for PET preform moulding
• Excellent mould alignment and locking stability
• Reduced scrap and rework
• Long service life under 24/7 operation
• Suitable for high-cavity PET moulds

Material Compatibility

Optimized for PET resin processing, including standard and heavy-wall PET grades used in food, beverage, and industrial packaging.

Industries & Applications

Widely used in:
• PET Preform Manufacturing
• Bottled Water & Beverage Packaging
• Soft Drinks & Carbonated Beverages
• Edible Oil Containers
• Pharmaceutical Packaging
• Cosmetics & Personal Care Packaging
• Food & Dairy Packaging
• Chemical & Agrochemical Containers
• Wide-Mouth Jars & Industrial PET Containers

Key Advantages

• 400-ton high-force PET injection system
• Supports large and multi-cavity moulds
• Consistent preform quality and neck accuracy
• Ideal for beverage and food-grade packaging
• Reliable solution for high-volume PET production

The 400 Ton PET Injection Moulding Machine is a dependable and cost-effective investment for manufacturers seeking high-speed PET preform production, consistent quality, and scalable packaging output, making it well-suited for modern PET processing facilities.

STM 300 Tons Toggle Injection Moulding Machine

300 Ton H-Type Toggle Injection Molding Machine for Heavy-Duty Plastic Components

The STM 300 Tons Toggle Injection Moulding Machine is a high-capacity industrial plastic injection moulding machine designed for large, rigid, and high-strength moulded components. Built with a robust H-Type toggle clamping mechanism, this 300 ton injection moulding machine delivers powerful mould locking, high repeatability, and stable performance in continuous production environments.

Designed for manufacturers handling larger moulds and thicker plastic parts, this toggle injection moulding machine ensures faster cycle times, reduced energy consumption, and extended mould life compared to conventional hydraulic systems. It is widely used in automotive, packaging, electrical, consumer goods, and industrial product manufacturing.

Clamping System & Mechanical Performance

The 300 ton toggle mechanism injection moulding machine provides uniform force distribution across the platen, reducing flash, improving dimensional accuracy, and protecting mould tooling during high-pressure injection cycles.

• Clamping Force: 800 kN – 8000 kN
• Toggle Type: H-Type Toggle
• Clamping Stroke: 320 – 560 mm

Mould Accommodation & Flexibility

Engineered to support a wide range of industrial mould sizes, the machine allows efficient mould installation and faster changeovers.

• Tie-Bar Distance: 360 × 360 mm to 580 × 580 mm
• Minimum Mould Height: 150 – 200 mm
• Maximum Mould Height: 350 – 580 mm

This flexibility makes it suitable for large and complex plastic components.

Materials Processed

Compatible with commonly used thermoplastics and engineering plastics such as PP, HDPE, LDPE, ABS, PS, and application-specific materials.

Industry Applications

Used across multiple sectors including:
• Automotive interior trims, clips, brackets, covers
• Packaging products like caps, closures, crates, buckets
• Electrical & electronics enclosures and junction boxes
• Consumer goods and household plastic products
• Building & plumbing fittings and construction components
• Furniture parts, fixtures, and connectors
• Industrial machine covers and protective guards
• Medical non-implant trays and housings
• Toys and recreational plastic components

Key Advantages

• 300 ton toggle injection moulding machine for heavy parts
• Energy-efficient H-type toggle clamping system
• Faster cycle time and reduced operating cost
• Wide mould size compatibility
• Consistent product quality and repeatability
• Low maintenance and long service life

The STM 300 Tons Toggle Injection Moulding Machine is an ideal solution for manufacturers seeking reliable performance, high output, and cost-effective production of large plastic components.

STM 200 Tons Toggle Injection Moulding Machine

200 Ton H-Type Toggle Injection Molding Machine for Industrial Plastic Manufacturing

The STM 200 Tons Toggle Injection Moulding Machine is a high-performance industrial plastic injection moulding machine designed for precision moulding, high repeatability, and continuous production. Built with a durable H-Type toggle clamping mechanism, this 200 ton injection moulding machine delivers strong mould locking, reduced energy consumption, and consistent part quality across long production cycles.

This toggle injection moulding machine is widely used in packaging, medical, automotive, electronics, white goods, and consumer product manufacturing. The toggle mechanism enables faster cycle times, lower hydraulic load, and extended mould life, making it ideal for high-volume plastic injection moulding applications.

Clamping System & Performance

The 200 ton toggle mechanism injection moulding machine ensures uniform force distribution and smooth clamping motion, reducing flash formation and improving dimensional accuracy.

• Clamping Force: 800 kN – 8000 kN
• Toggle Type: H-Type Toggle
• Clamping Stroke: 320 – 560 mm

Mould Size Compatibility

Designed for flexible mould installation, the machine supports a wide range of industrial mould sizes.

• Tie-Bar Distance: 360 × 360 mm to 580 × 580 mm
• Min. Mould Height: 150 – 200 mm
• Max. Mould Height: 350 – 580 mm

This allows quick mould changeover and efficient production of varied plastic components.

Materials Processed

Compatible with common thermoplastics and engineering plastics such as PP, HDPE, LDPE, ABS, PS, and application-specific materials.

Industry Applications

Used in:
• Packaging & food packaging
• Medical plastic components
• Automobile plastic parts
• White goods & appliance components
• Electrical & electronics housings
• Consumer electronics & home products
• Agriculture and textile accessories

Key Advantages

• 200 ton toggle injection moulding machine with stable clamping
• Energy-efficient H-type toggle system
• Faster cycle time and reduced power consumption
• Wide mould size range
• Consistent output quality and repeatability
• Low maintenance and long service life

The STM 200 Tons Toggle Injection Moulding Machine is a reliable and cost-effective solution for manufacturers seeking productivity, precision, and durability in industrial plastic moulding operations.