how many types of injection molding machine
Home » Blog » Knowledge » how many types of injection molding machine

how many types of injection molding machine

Views: 0     Author: Site Editor     Publish Time: 2025-08-13      Origin: Site

Inquire

facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

Have you ever thought about why some factories work faster? They also use less energy and make better things. Picking the right injection molding machine can help a business a lot. In 2025, smart factories need the right machine for each job. Most people only know the basics. But learning about injection molding machine types helps you do more. These types are hydraulic, electric, hybrid, horizontal, vertical, and specialized. Knowing them helps you work better, save money, and meet tough rules. Here is a quick look at the main types of injection molding:

Machine Type

What It Does in One Sentence

Hydraulic

Uses strong hydraulic power to make big or hard parts.

Electric

Uses exact motors for fast speed, accuracy, and saves energy.

Hybrid

Mixes electric and hydraulic systems for good work and saving energy.

Horizontal

Opens and closes molds from the side, good for fast, automatic work.

Vertical

Moves molds up and down, good for insert or overmolding and saves space.

Specialized

Does special jobs like multi-material, micro, or gas-assisted molding.

I want you to see how picking the right injection molding machine helps you win in a smart and busy world.

Key Takeaways

  • Hydraulic machines have strong force for big parts but use more energy. New technology helps save power and makes them work better. Electric machines are fast and precise. They save energy and are good for small, detailed parts. Hybrid machines mix power and accuracy. They also save energy and fit many industries and part sizes. Horizontal machines are good for fast and large production. Vertical machines save space and are great for insert molding. You should pick a machine based on part size, material, energy use, and cost. Regular maintenance keeps machines working well and safe.

Types of Injection Molding Machines

Types of Injection Molding Machines

Hydraulic Injection Molding Machine

When I go into a factory, I see hydraulic injection molding machines working. These machines use pumps and valves to control force. I pick them for big parts or thick products. Hydraulic machines are strong and last a long time. They can handle heavy molds and large shot sizes easily.

Hydraulic machines give the most clamping force. They are great for car parts and heavy jobs.

New technology makes these machines smarter and better. AI systems now help predict when repairs are needed. They also watch how the machine works all the time. Binary injection technology makes cycles faster without costing more. Full automation helps make recycled PET containers. This supports companies that care about the environment.

Technological Advancement

Description

AI-powered Monitoring System

Tells when repairs are needed and checks performance right away

Binary Injection Technology

Makes cycles faster without extra cost

Full Automation for rPET

Makes recycled PET containers with no human help

Real-time Auxiliary Control

Controls drying, chilling, and labeling from the main machine

IIoT Platform Integration

Collects live data for better decisions and lower costs

Industry 4.0 Integration

Helps smart factories save energy and protect the planet

I always think about energy use. Old hydraulic machines use more energy because the pump never stops. New models with servo motors or special pumps use less energy. They can save up to 87% on power. This helps businesses save money.

I choose hydraulic machines for high force, big shot size, and strong work. They use more energy than other types, but new tech is making them better.

Electric Injection Molding Machine

If I want speed and accuracy, I use electric injection molding machines. These machines use servo motors for every move. I see them in clean rooms and places that make medical or electronic parts. They are very precise. They can repeat positions within 0.01 mm. Pressure control is very accurate too.

Aspect

Electric Injection Molding Machines

Hydraulic Injection Molding Machines

Control System

Uses digital controls and separate motors

Uses hoses, valves, and pipes

Speed

Faster because of motor control

Slower because fluid needs to warm up

Energy Consumption

Uses 50-75% less energy than hydraulic machines

Uses more energy because fluid keeps moving

Waste & Scrap

Makes less scrap when starting and running

Makes more scrap because it takes longer to warm up

Noise & Environmental

Quieter and better for the environment

Noisier and not as good for the environment

Cost

Costs more at first but saves money later

Costs less at first

All-electric machines only use energy when moving. During cooling, they can rest and save more power. This is good for companies that want to save money and help the planet. They are smaller, so I can fit more in one place.

  • Electric machines use energy only when needed.

  • They save up to 70% more energy than old hydraulic machines.

  • Fewer moving parts mean less fixing and less stopping.

  • They make the workspace cleaner and quieter.

  • Models like ENGEL e-motion are leaders in being precise and efficient.

I pick electric machines for small or medium parts. They are best when I need tight sizes and low shot size. They cost more at first, but the savings and quality are worth it.

Hybrid Injection Molding Machine

Sometimes, I want both power and accuracy. Then I use hybrid injection molding machines. They mix hydraulic force with electric precision and energy savings. I use them for making lots of parts, medical items, and things that need both strength and accuracy.

  • Hybrid machines save energy and work well.

  • Servo pumps help adjust and control the process better.

  • The closed system reacts faster.

  • They run cooler, so they last longer.

  • Hybrid presses give full hydraulic force but save energy like electric machines.

Drive System Type

Description

Performance Characteristics

Typical Applications

Hydraulic

Uses pumps and valves to control force.

Strong clamping, good for big parts, uses more energy, needs more fixing.

Big parts, cars, heavy jobs.

Electric (All-Electric)

Uses servo motors for all moves.

Very precise, saves energy, clean and quiet, less force, costs more, easy to fix.

Clean rooms, medical, small to medium parts.

Hybrid

Mixes hydraulic and electric systems.

Balances force and accuracy, saves energy, reliable, costs and fixing are in the middle.

Lots of parts, medical, many sizes.

I see hybrid machines used in many places:

Industry

Common Applications

Automotive

Dashboards, bumpers, vents, trims, door panels, lights, engine parts

Medical and Healthcare

Syringes, test kits, tools, device cases, implants

Packaging

Bottle caps, food containers, cosmetic boxes, household containers, medicine packaging

Consumer Electronics

Phone covers, laptop parts, remote cases, TV boxes, connectors

Household and Consumer Goods

Buckets, basins, boxes, chairs, stools, toy parts, switches, garden tools

I suggest hybrid machines when you need flexibility and a balance of cost and performance. They work for many part sizes and designs.

Specialized Injection Molding Machines

Sometimes, I have special jobs in plastic molding. Then I use specialized injection molding machines. These machines do things like multi-material molding, insert molding, and micro-molding. I use them for medical, car, and electronic parts that need special features.

Machine Type

Unique Features and Advantages

Limitations and Considerations

Hydraulic Machines

Strong force for big parts, tough build, costs less at first, easy to fix, good for lots of parts

Uses more energy, noisy, oil leaks can happen, not always precise

Electric Machines

Saves up to 70% energy, very precise, clean, quiet, fast cycles

Costs more at first, less force, harder to fix, needs careful setup

Hybrid Machines

Saves energy, good accuracy, works for many sizes, costs and fixing are in the middle, mixes hydraulic and electric

More complex, still uses some oil, performance is between the other types

Specialized machines help with:

  • Clean rooms for medical parts.

  • Multi-material and micro-molding for electronics and cars.

  • Robots and automation for faster and better work.

  • Advanced computer tools for better process control.

  • Using recycled and plant-based plastics for the environment.

The market for micro and multi-material machines is growing fast. Automation and saving energy are making this happen. More companies use electric and hybrid machines for better results. Robots and smart repairs help make more parts and fewer mistakes. Asia-Pacific has the most machines and automation. Europe and North America focus on local making and new materials.

I use specialized machines for tricky parts, many materials, or very small shot sizes. They help me meet strict rules and stay ahead in a busy market.

Plastic Injection Molding Machine Structures

Horizontal Injection Molding Machine

Most factories use horizontal injection molding machines. I pick this type for big jobs. The main parts sit next to each other. This setup keeps the machine steady and safe. It works well even when running fast. I can control clamping force and shot size easily. This helps me make small and medium parts with good accuracy.

Tip: Horizontal machines are great for making many parts at once.

Adding robots and automation is simple. The machine opens from the side. I can use conveyors and robots to take out finished parts quickly. This saves time and helps make more products. I use horizontal machines for cars, electronics, and packaging. They work for many shot sizes and clamping force needs.

Aspect

Horizontal Injection Molding Machine

Component Arrangement

Parts are placed side by side

Mold Clamping

Mold is held and injected from the side

Space Requirement

Needs a lot of floor space

Automation Compatibility

Easy to add robots and conveyors

Stability

Stays steady because of low center of gravity

Typical Applications

Used for cars, electronics, and packaging

Clamping Force

Can adjust force for different jobs

Shot Size

Good for small and medium shot sizes

Vertical Injection Molding Machine

I use vertical machines for insert molding and overmolding. The main parts are stacked on top of each other. This saves space on the floor. I can reach the mold from above. Changing molds is quick and easy. Gravity helps me put inserts in the right spot. This means fewer mistakes and better parts.

  • Vertical machines are best for insert molding.

  • Rotary tables hold more molds and make cycles faster.

  • The small design fits in tight spaces.

  • I can control clamping force and shot size for hard jobs.

Feature

Vertical Injection Molding Machine

Structure

Parts are stacked up and down

Operation

Injection comes from the bottom

Advantages

Simple, easy to fix, works fast, saves space

Typical Use

Used for insert molding, overmolding, and medical parts

Clamping Force

Very accurate for tough jobs

Shot Size

Great for small and tiny shot sizes

Note: Vertical machines help make very precise parts for medical and electronics.

I suggest vertical machines for jobs needing tight fits or special inserts. They let me use robots to place inserts. I get more work done in less space. My parts meet strict quality rules.

How Injection Molding Machines Work

Mechanical Injection Molding Machines

When I watch an injection molding machine, I see it repeat steps. The machine uses a screw or plunger to move melted plastic into a closed mold. It works like a syringe pushing medicine into a tube. First, I pour plastic pellets into a hopper. The machine heats the pellets and melts them. Next, it pushes the hot plastic into the mold with high pressure. The mold cools the plastic and shapes it. When the part is ready, the mold opens so I can take it out.

Mechanical injection molding machines use a toggle clamping system. This system has levers that open and close the mold. The toggle system gives strong clamping force. It keeps the mold shut tight when hot plastic goes in. I like this system because it moves quickly and uses less energy. It also makes the machine simple and strong. I use mechanical injection molding machines for jobs that need speed and accuracy, but not as much force as hydraulic types.

Tip: The toggle system lets me make parts fast and saves energy.

Key Components

Every injection molding machine has important parts that help it work well. I always check these parts before starting a job:

  • Clamping Unit: Holds the mold closed while plastic goes in and cools. It can use hydraulic, mechanical, or electric force.

  • Platens: Big steel plates that hold the two sides of the mold. One plate stays still, and the other moves.

  • Mold: Shapes the final product. It has a cavity, a core, cooling channels, and runners for the plastic.

  • Injection Unit: Melts and pushes the plastic. It has a hopper for pellets, a barrel for heating, and a screw to move the plastic.

  • Hydraulic or Electric System: Makes the clamping and injection units move.

  • Control System: Uses sensors and computers to set temperature, pressure, and timing.

  • Ejection System: Pushes the finished part out of the mold with pins or plates.

Here is a table that shows what each part does:

Component

What It Does

Clamping Unit

Keeps mold closed during injection and cooling

Platens

Hold the mold halves in place

Mold

Shapes the plastic into the final product

Injection Unit

Melts and injects plastic into the mold

Hydraulic/Electric

Moves the main parts and controls pressure

Control System

Manages all settings and keeps quality high

Ejection System

Removes the finished part from the mold

Modern injection molding technology gives me more control and better results. Electric machines save up to 70% energy and are very precise. They start fast and run quietly. Hybrid machines mix electric and hydraulic power, so I get both benefits. I use injection molding technology to make parts faster, with less waste, and at a lower cost. The right injection molding machine helps me do well in a tough market.

Pros, Cons, and Applications

Advantages and Disadvantages

When I pick an injection molding machine, I look at the good and bad sides. Each type helps me make lots of parts and keep them high quality. I want machines that make parts quickly and very exact. I also want to spend less money and have fewer problems.

Here is a table that shows how the good and bad sides change how well the machine works and how good the parts are:

Aspect

Pros Impacting Efficiency and Quality

Cons Impacting Efficiency and Quality

Complexity & Tolerances

I can make hard parts with tight fits.

I need good mold design, or I lose time and quality.

Material Compatibility

I use many materials for custom products.

Some materials need special machines or settings.

Production Speed

Fast cycles help me make lots of parts.

High start-up costs slow me down for small batches.

Repeatability

I get the same parts for many cycles.

Long mold design times can slow my projects.

Material Reuse

I recycle extra plastic to save money and cut waste.

Not all machines work well with recycled materials.

Tip: Keeping machines clean and teaching workers helps stop mistakes and keeps parts good.

I always test materials and watch the process. This keeps my parts strong and the same every time. I check heat and pressure to stop errors. Good mold design and control make my job easier.

Typical Uses by Machine Type

I choose the best injection molding machine for each job. Here are the most common uses:

  • Hydraulic machines help me make big, cheap products. I use them for car bumpers and large containers.

  • Electric machines give me exact control. I pick them for medical tools, electronics, and expensive parts.

  • Hybrid machines mix power and accuracy. I use them for packaging, home goods, and making lots of things.

  • Horizontal machines are best for regular plastic parts. I use them in car and electronics factories.

  • Vertical machines save space. I use them for insert molding in medical, airplane, and car jobs.

  • Specialized machines help me make color chips, gears, and two-color plastic flowers. I use them for special products and tiny parts.

I see injection molding machines in many places:

  • Cars: dashboards, inside panels, outside parts.

  • Home goods: kitchen tools, toys, boxes.

  • Medical: syringes, tool covers, surgery tools.

  • Electronics: connectors, switches, device cases.

I always match the machine to the job. This helps me get the best results for making lots of parts. The right machine saves time, money, and work.

Choosing the Right Injection Molding Machine

Project Requirements

When I choose an injection molding machine, I always start with the project details. I look at the size, shape, and weight of the injection molded parts. I check the material and how many parts I need to make. Here’s my step-by-step process:

  1. Define the part’s size, material, and weight.

  2. Pick the right machine type. I use hydraulic machines for big, strong parts. I use electric machines for small, precise parts. Hybrid machines work best when I need both power and accuracy.

  3. Check the clamping force. Big molds need more force.

  4. Match the injection unit to the shot size and pressure.

  5. Make sure the mold fits the machine.

  6. Focus on energy savings.

  7. Look for machines with good control features.

  8. Ask about after-sales support.

  9. Compare total costs, not just the price tag.

  10. Choose a supplier with a strong reputation.

Machine Type

Key Features

Best For

Hydraulic

Strong clamping, simple to fix

Large, tough parts

Electric

High precision, energy saving

Small, complex, high-value parts

Hybrid

Balanced force and accuracy

Projects needing both power and precision

I always match the machine to the job. This helps me get the best results for every project.

Cost and Maintenance

I know injection molding machine cost matters for every business. Hydraulic machines cost less at first, but they use more energy and need more repairs. Electric machines cost more up front, but they save money over time. Hybrid machines sit in the middle.

Machine Type

Initial Cost

Maintenance Needs

Notes

Hydraulic

Low

High, more repairs

Needs regular checks and cleaning

Electric

High

Low, less downtime

No oil leaks, stable output

Hybrid

Medium

Medium to high

Needs care for both systems

  • I clean machines often to stop dust and damage.

  • I oil moving parts to keep them smooth.

  • I check for leaks and broken parts.

  • I train my team to use machines safely.

If I want to lower injection molding machine cost, I invest in training and regular care. This keeps machines running longer and makes better injection molded parts.

Energy and Safety

I always think about energy use and safety. Hydraulic machines use more power because their pumps run all the time. Electric machines save up to 75% energy. Hybrid machines use less energy than hydraulic but more than electric.

Machine Type

Energy Use

Safety Features

Hydraulic

High

Needs oil checks, risk of leaks

Electric

Low

Advanced safety, quiet, clean, auto shut-off

Hybrid

Medium

Good safety, balanced energy use

I follow the latest safety rules. I train my team on emergency plans and safe machine use. We wear gloves, glasses, and ear protection. I check machines every day for problems. I use guards to keep hands away from moving parts. Good ventilation keeps the air clean when I melt plastic.

Tip: Safe machines and smart energy use help me make better parts and protect my team.

Picking the right injection molding machine helps my business a lot. I get better results, spend less money, and make better products when I choose the right machine. I look at a few important things:

  • Servo-electric systems use less energy and work more exactly.

  • AI-driven maintenance helps machines last longer.

  • Training workers helps stop mistakes and waste.

Factor

How It Helps Me

Clamping Force

Stops problems and makes parts strong

Injection Volume

Fits part size and makes work faster

I always ask experts or suppliers before buying a machine. Their tips help me make good choices and avoid problems. If you want to do well, learn about new ideas and talk to professionals. Your next project should be the best it can be.

FAQ

What is the best injection molding machine for beginners?

I always recommend electric machines for beginners. They are easy to use, clean, and safe. You get great control and save energy. If you want to start strong, choose electric. You will see better results and fewer problems.

How do I know which machine fits my project?

I look at part size, material, and how many parts I need. I match these to the machine’s force and shot size. If you want the best fit, talk to a supplier. They help you pick the right machine every time.

Can I use recycled plastics in any injection molding machine?

I use recycled plastics in most machines, but electric and hybrid types work best. They handle recycled materials with less waste. If you want to save money and help the planet, ask your supplier about recycled plastic options.

Are hybrid machines worth the extra cost?

I believe hybrid machines pay off fast. They save energy and give you both power and precision. You spend a bit more at first, but you get lower bills and better parts. If you want long-term value, go hybrid.

How often should I maintain my injection molding machine?

I check my machines every day. I clean, oil, and inspect them weekly. Regular care stops breakdowns and keeps parts perfect. If you want fewer repairs and longer life, set a schedule and stick to it.

Table of Content list
Zhangjiagang Huili Machinery Co., Ltd. is very professional in the research , development, design and manufacture of plastic machine, with more than 20 million fixed assets.

QUICK LINKS

PRODUCT CATEGORY

Products

FOLLOW US

Sitemap | Technology by leadong.com