All Electric Injection Molding Machine

All Electric Injection Molding Machine

An all-electric injection molding machine is a process injection molding machine where all power is supplied by electricity. All electric injection molding machines do not have a central motor, but use individual motors designed for each function required by the entire machine, i.e. mold opening/closing, injection, recovery and ejection.
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What is All Electric Injection Molding Machine

 

 

An all-electric injection molding machine is a process injection molding machine where all power is supplied by electricity. All electric injection molding machines do not have a central motor, but use individual motors designed for each function required by the entire machine, i.e. mold opening/closing, injection, recovery and ejection. This means that the motor can be left idle until its specific function is required. It is currently gaining popularity in the market and is highly preferred mainly because it offers performance that cannot be achieved by a fully hydraulic injection molding machine.

 

Benefits of All Electric Injection Molding Machine

 

 

Stable injection
The all-electric injection molding machine is less affected by external factors, its mold molding parameters are controlled by a computer, and the injection performance is stable; while the dynamic technical parameters of the all-hydraulic injection molding machine are susceptible to fluctuations due to changes in hydraulic oil temperature.

 

Energy saving and cost reduction
Each movement of the all-electric injection molding machine is controlled by its corresponding motor without driving other control motors, and each actuator is directly driven by electricity, its production efficiency and energy utilization rate are high, and the energy saving effect is significant. In addition, the all-electric injection molding machine does not need to use hydraulic oil, thus eliminating the need to cool the working oil, reducing the use of cooling water, and reducing production costs.

 

Efficient control
The application of the servo motor of the all-electric injection molding machine improves the responsiveness of the system, so its response is sensitive, the action speed is fast, and the action accuracy is high. Each part of the action is controlled by an independent motor, so the injection molding machine can perform compound actions, and multiple processes can be performed at the same time, which greatly improves production efficiency.

 

High precision
With the advantages of high speed, high efficiency and high precision, the all-electric injection molding machine is more suitable for processing high value-added products such as electronics, electrical appliances, high-cleanliness medical products, etc., especially for the injection molding of small parts. Its advantages of high performance and high precision injection molding.

 

Environmental optimization
The all-electric injection molding machine has low noise during operation, and no working oil is used in the operation of the machine, so there will be no mechanical oil leakage and other problems to keep the environment clean.

 

 

Single Slide Injection Molding Machine

Single Slide Injection Molding Machine

Vertical mold clamping, vertical injection mechanism design, suitable for molding plastic products with inlaid parts

Double Slide Injection Molding Machine

Double Slide Injection Molding Machine

Multi-segment pressure and speed control for injection and mold clamping, which can be set according to the requirement of the product, easy to adjust and ensure the precision of the product.

Right Angle Slide Injection Molding Machine

Right Angle Slide Injection Molding Machine

Mold locking area without machine column is fully open on three sides, which is more convenient for picking and placing inlaid parts and finished products.

Rotary Injection Molding Machine

Rotary Injection Molding Machine

Double-position(or triple-position)rotating table, smooth rotation, accurate positioning, can improve the production efficiency up to 30%-50%.

Two Colour Rotary Injection Moulding Machine

Two Colour Rotary Injection Moulding Machine

Different combinations of injection units can be selected according to the injection weight requirement of the product to improve production efficiency and reduce energy loss.

Dual Color Injection Molding Machine

Dual Color Injection Molding Machine

Each pair of molds in the injection station has a special clamping cylinder to provide clamping force. Adhering to the characteristics of straight press, it prolongs the service life of the molds.

Bakelite Injection Molding Machine

Bakelite Injection Molding Machine

Adopting high-performance control system, with mold injection process parameter memory function and fault diagnosis alarm function.

BMC Injection Molding Machine

BMC Injection Molding Machine

Double hydraulic cylinders are balanced at both ends to push the material smoothly. The feeding port is very large, which is convenient for workers to feed, reflecting the humanized design

Servo Energy Saving Injection Molding Machine

Servo Energy Saving Injection Molding Machine

Highly optimized clamping structure, through the further optimization of the overall structure, hydraulic system and control system, to improve the repeatability of the clamping accuracy

 

 

 
Why Choose Us
 
01/

Advanced equipment
We take strong measures to ensure that we use the highest quality equipment in the industry and that our equipment is regularly and meticulously maintained.

02/

Competitive prices
We offer our products at competitive prices, making them affordable for our customers. We believe that high-quality products should not come at a premium, and we strive to make our products accessible to all.

03/

Rich experience
Has a long-standing reputation in the industry, which makes it stand out from its competitors. With over many years of experience, they have developed the skills necessary to meet their clients' needs.

04/

High quality products
We always put customer needs and expectations in the first place, refine on, continuous improvement, to seek every opportunity to do better, to provide customers with their expectations of quality products, to provide customers with the most satisfactory service at anytime.

05/

State-of-the-art technology
We use the latest technology and tools to deliver high quality services. Our team is well-versed in the and advancements in technology and uses them to provide the best results.

06/

Customer satisfaction
Providing after-sales services can enhance customer satisfaction by ensuring that customers' needs are met even after the purchase. This can lead to increased customer loyalty and positive word-of-mouth referrals.

 

All Electric Injection Molding Machine

 

What Is the Difference Between All-Electric and Hydraulic Injection Molding Machines

Electric injection molding machines consume energy only when a given action is required and match the motor output to meet the requirements, unlike conventional hydraulic injection molding machines that consume energy continuously even when idle.

Instead of being driven by a hydraulic system, electric injection molding machines are digitally controlled by high speed and efficient servo motors to drive the entire process. Each axis is controlled by an independent motor for injection, extrusion, clamping and ejection.

The result is an injection molding process that is faster, cleaner, more repeatable and more energy efficient. Electric injection molding machines can reduce energy consumption by 50 to 75 percent compared to hydraulic models.

Due to the recent increase in electricity costs in the industry, all electric injection molding machines are becoming more popular to save money on electricity, which ultimately leads to lower overall operating costs.

 

All-Electric Injection Molding Machines Applications
 

Medical and Pharmaceutical Industry

Due to their clean operation and high precision, all-electric machines are ideal for manufacturing medical devices and pharmaceutical packaging.

Electronics

The high precision and fast cycle times of all-electric machines make them perfect for producing small, detailed electronic components with tight tolerances.

Automotive

In automotive applications, where consistent quality and material performance are critical, all-electric machines are used for producing precision parts such as connectors and interior components.

Consumer Goods

High efficiency and low operation costs make these machines suitable for the mass production of consumer products, from packaging to household items.

 

 
What are the Types of Injection Molding Machines
 

Injection molding machine types are frequently classified based on their drive systems. different types of injection molding machines can be chosen for various application areas.

 

Hydraulic type

Hydraulic drives are used to secure the halves of the injection mold and to inject molten plastic into the mold cavity. These drives require hydraulic fluid and continuous energy for operating and cooling their hydraulic systems.
Despite its affordability, it is capable of meeting high precision requirements and can generate substantial clamping force. Hydraulic injection molding machines are typically used for creating larger, thick-walled products, like those in the automotive industry.
Yet, its reliance on hydraulic power requires frequent use and upkeep. If not operated regularly, the hydraulic injection molding machine may stop working.

All-Electric type

The all-electric injection molding machine utilizes electrical servo motors to inject, extrude, clamp, and eject parts in the production.
Although it has a lower clamping force and is more expensive compared to its hydraulic counterpart, the all-electric machine excels in producing plastic parts with high precision (up to 0.01mm), cleanliness, and low noise levels. These attributes make the all-electric injection molding machine particularly well-suited for the manufacture of medical products in cleanroom environments.

Hybrid type

Hybrid injection molding machines blend the best features of hydraulic and electric machines.They use servo motor pumps for the hydraulic fluid, which helps control power, emissions, noise, and energy use, and electrical power.
The cost of hybrid models fluctuates depending on size and application, but typically falls between the prices of electric and hydraulic injection molding machines.
Equipped with servo motors, these machines match the cost savings of all-electric models while enhancing user-friendliness and precision in clamping mechanisms, thereby reducing maintenance costs. However, it challenges technicians requiring both knowledge of electric and hydraulic operation systems.

 

What Is the Development Trend of All-Electric Injection Molding Machine Technology

 

 

With the emergence of new synthetic materials, the use of high-precision injection molded parts and energy saving Environmental awareness is increasing, and the demand for injection molding machines is further enhanced. Among the various new precision injection molding machines, the most representative one is the all-electric precision injection molding machine.

The crank slider mechanism is the same. The maximum ejector stroke is twice the diameter of the crank revolution, and the ejection force and speed are varied during the ejection process. When the ball screw ejector mechanism is used, the ejector speed can be adjusted by adjusting the motor speed.

The ejector mechanism has a simple structure and a stable ejector. In addition, the nozzle movement action can be driven by the motor and the ball screw mechanism.

For example, the precision of electronic components, digital cameras, mobile phone casings and optical components is not only highly demanding on materials, but also imposes high requirements on molding technology.

The servo electric injection molding machine has unique advantages in solving such problems, and has two remarkable features of reducing environmental load and high performance. It not only saves energy (power consumption is about 1/3 of that of a typical hydraulic press), low noise, saves water (water consumption is about 1/12 of that of a typical hydraulic press), and power supply equipment shows great advantages, and has performance in terms of performance. High injection rate, high response, stable injection speed, stable back pressure system,

The ejector device of the all-electric injection molding machine may be a crank slider mechanism or a ball screw mechanism. When using the crank slider mechanism, one end of the slider is connected with the connecting rod, and the other end is connected with the ejector rod or the ejector plate. The movement and dynamic characteristics of the slider are the characteristics of the ejector device, and the design method and the injection device

Since the motor speed can be precisely adjusted, the moving speed of the injection seat can also be adjusted as needed during the movement.

When the nozzle is in contact with the mold, there is no impact, which is beneficial to the protection of the mold, and at the same time, the contact force of the nozzle can be controlled.

Injection Molding Machine Parts
 

Injection Unit
This is where the magic begins. The injection unit .is like a chef in the kitchen, responsible for melting and injecting the plastic material into the mold tocook up your desired product.

 

Clamping Unit
Imagine holding a mold in place while the injection unit does its thing. That's the job of the clamping unit. It's the sturdy hands that keep everything incheck during the plastic party.

 

Hydraulic System
Think of this as the power bank. All the tasks that are performed in the injection machine are done by the hydraulic systems as it provides theenergy. These tasks include clamping, ejecting, and injecting.

 

Control Panel
Meet the brain of the operation. The control panel is where the settings are dialed in- -temperature, pressure, time- -it's all controlled here, makingsure everything is just right.

 

Drive System
This is the muscle behind the movement. The drive gystem powers the parts that need to move, like the injection screw, the mold's open-and-close dance,and the ejection process.

 

Mold System
If the injection unit is the chef, the mold system is the mold itself. It shapes and defines the plastic, determining the final look and feel of the product.

 

Ejector Unit
Picture a gentle push to release a finished product. The ejector unit is responsible for ensuring the molded product smoothly exits the mold.

 

 
How to Maintain Your Injection Molding Machine
 

Follow the Manufacturer's Recommendations
Your injection molding machine's manufacturer will have recommendations for maintenance and service. It's essential to follow these recommendations to ensure your machine operates optimally. This may include regular lubrication, filter changes, and inspections. Don't worry, Min-Hui will tell you the corresponding notes.

 

Keep the Machine Clean
Keeping your injection molding machine clean is vital to prevent contamination and maintain the quality of your products. Regular cleaning will prevent debris from building up, which can cause damage or wear on your equipment. Wipe down the machine's exterior daily and use a vacuum to clean the interior regularly.

 

Check for Leaks
Leaks can cause significant issues for your injection molding machine. Regularly inspect the machine for any leaks in hoses, fittings, and seals. If you find any leaks, address them immediately to prevent any further damage.

 

Monitor the Machine's Oil Levels
The oil in your injection molding machine is essential for keeping it lubricated and running efficiently. Regularly check the oil levels and change the oil as recommended by the manufacturer. Failing to change the oil can cause significant damage to your equipment and result in costly repairs.

 

Inspect the Machine's Cooling System
Your injection molding machine's cooling system is critical to maintaining a consistent temperature during the molding process. Inspect the cooling system regularly for any leaks, clogs, or damage. Keeping the cooling system in good working order will help prevent overheating, which can damage your machine and cause product defects.

 

Train Your Employees
Your employees play a significant role in the maintenance of your injection molding machine. Train them on the importance of regular maintenance, and provide them with the tools and resources they need to keep the machine in good working order. This includes educating them on how to identify issues and report them promptly.

 

Schedule Regular Maintenance
Regular maintenance is key to keeping your injection molding machine in top condition. Schedule routine maintenance with a qualified technician to ensure that your machine is running efficiently and that any potential issues are addressed before they become major problems.

 

 

 
Our Factory
 

Yuyao Jinming Machinery Co., Ltd. was established in 2010, with products for a wide range of markets. The company focuses on the vertical injection molding machine, rubber injection machine and Bakelite, BMC and other high-precision injection molding equipment research and development and production, the introduction of advanced technology in Europe, Japan, quality is the key to business survival as the concept of enterprise development, continuous improvement and innovation, manufacturing a series of high-quality, high-precision vertical injection molding machine, the company's products are sold all over the world, excellent quality and perfect after-sales service by the Our products are sold all over the world, and our excellent quality and perfect after-sales service are well received by customers all over the world.

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FAQ
 

Q: What is all electric injection Moulding machine?

A: Unlike hydraulic machines which rely on hoses, valves and pumps, all electric machines are equipped with digitally-controlled servomotors that precisely control every process from injecting, extruding, clamping and ejecting to an extremely high degree of accuracy.

Q: What is the pressure in the electric injection molding machine?

A: All-electric injection molding machines typically reach pressures of 300-400Mpa, significantly surpassing the 120-150Mpa of hydraulic machines. For injection speed, electric machines can achieve 300-1000mm/s, while hydraulic machines hover around 100mm/s, with high-speed hydraulic models reaching 150-200mm/s.

Q: What is the difference between hydraulic and all electric injection molding machines?

A: Unlike hydraulic machines which rely on hoses, valves and pumps, all electric machines are equipped with digitally-controlled servomotors that precisely control every process from injecting, extruding, clamping and ejecting to an extremely high degree of accuracy.

Q: How to reduce power consumption in injection molding machine?

A: The combination of temperature control, intelligent device communication and smart process control leads to maximum efficiency of your system. In this way, the power consumption and CO2 emissions of your injection moulding machine can be reduced by up to 67% depending on the application and machine.

Q: What temperature should an injection molding machine be?

A: The mold temperature should be set in a manner such that the surface temperature will be between 120 to 180°C. Also, ensure that the surface of the mold has a uniform temperature distribution. If the mold temperature is excessively low, moldings may warp or crack (rupture) due to residual stresses.

Q: How long do injection molding machines last?

A: ABS Plastic: Widely used for its good impact resistance and toughness, ABS plastic injection molds can last for about 100,000 to 300,000 cycles. Polycarbonate: Known for its strength and transparency, polycarbonate molds typically have a lifespan of around 100,000 to 200,000 cycles.

Q: What is the most common injection molding machine?

A: The horizontal injection molding machine is used the most and has the broadest range of applications. This machine is designed with a comparatively low body, rapid molding, and user-friendliness in operation and maintenance.

Q: How many watts does an injection molding machine use?

A: The power consumption of electric injection molding machines ranges from 3.8 kWh to 17.9 kWh. Manufacturers can minimize power consumption by considering factors such as machine utilization, energy-saving features, and maintenance practices while maintaining high productivity and product quality.

Q: How big of an injection molding machine do I need?

A: To calculate the required machine tonnage and injection volume, consider the following: Tonnage: Calculate the tonnage required by multiplying the projected area of the part being molded by the pressure required to inject the plastic material into the mold.

Q: How to select injection moulding machine tonnage?

A: Now you can calculate necessary tonnage based on the projected area times the clamp factor for the material used. T = A x cf. For example, the projected area of the molded part is 150 sq/in times a clamp factor of 3 (tonnage needed/square inch from material data sheet). 150 x 3 = 450 tons needed.

Q: How long to soak in injection molding machine?

A: Soak time depends on the extruder size. Soak time for a 10-in. extruder can be as long as a day, for instance. Typically, though, 30-60 min after the highest zone reaches its setpoint is adequate soak time before starting the extruder drive.

Q: What is cooling time in injection moulding machine?

A: Once molten plastic has been injected into the mould cavity, it takes time before the moulding has cooled and become sufficiently rigid to allow it to be demoulded. This period is called the cooling time and often forms a significant part of the moulding cycle.

Q: What is the screw speed in injection molding machine?

A: Usually, each size of the screw has a certain speed range, and the general speed PC is 40 ~ 70, the speed is too low, can not melt plastic; Too high, and the plastic may burn. The current maximum surface speed of 1m/ SEC is limited, so shear-sensitive materials should be less than 0.5m/ SEC.

Q: How do you measure shot size in injection Moulding machine?

A: Machine shot capacity/machine shot size = V (volume of barrel max position)* D(material density)= 276.32cm3 *0.92 g/cm3 for PP=254.21gms. Find volume by the formula volume= mass/density.

Q: What are the 3 main parts of an injection molding machine?

A: An injection molding machine comprises four main components: the base, the hopper, the barrel, and the clamping unit. There are also smaller components such as the nozzle, ejector pins, split mold, clamping unit, injection unit and hydraulic unit.

Q: What is the minimum daylight in an injection molding machine?

A: Minimum daylight = Minimum mould height + mould open stroke. With Hydraulic clamp machine, Maximum daylight = Minimum mould height + mould open stroke.

Q: How to reduce power consumption in injection molding machine?

A: The combination of temperature control, intelligent device communication and smart process control leads to maximum efficiency of your system. In this way, the power consumption and CO2 emissions of your injection moulding machine can be reduced by up to 67% depending on the application and machine.

Q: How do you calculate shot capacity of injection molding machine?

A: The shot weight is determined by the volume of the mold cavity and the specific gravity of the material being used. Shot Size: Shot size, on the other hand, refers to the volume of material that is injected into the mold during a single injection cycle.

Q: How do you calculate hour rate for injection moulding machine?

A: Calculate the machine hour rate as follows: machine hour rate = fixed / standing charges per hour + running costs per hour. The hourly rates of standing charges and running charges are added together to create the machine hour rate.

Q: What are the advantages of all electric injection molding machine?

A: Not only are all electric machines faster and more precise than their hydraulic counterparts but, because they do not need to constantly maintain hydraulic pressure, they only consume electricity when they are running. This makes them much cheaper to run.

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Machine Model MACHINE TYPE UNIT 50T 75T 100T
INJECTION SYSTEM Screw Diameter mm 18 22 25 22 25 30 25 30 35
Injection Pressure kg/cm² 280 210 180 280 230 180 250 200 180
Ejection Stroke mm 100 100 100 120 120 120 160 160 160
Injection Speed mm/s 600 600 600 600 600 600 600 600 600
Screw Rotation Speed rpm 0-350 0-350 0-350
Barrel Heating Power kW 4.2 5.4 6.3
Nozzle Stroke mm 195-325 205-360 240-375
CLAMPING SYSTEM Mold Closing Method - Curved arm bending type Curved arm bending type Curved arm bending type
Clamping Force KN 500 750 1000
Opening Stroke mm 250 280 320
Mold Thickness mm 150-350 150-350 200-400
Template Spacing mm 600 630 720
Distance Between Tie Bar mm 360x360 420x420 500x500
Ejector Force KN 22 22 22
Ejector Stroke mm 50 60 75
OTHERS Supply Voltage - 3-phase 380V-50Hz 3-phase 380V-51Hz 3-phase 380V-52Hz
Main Switch Capacity KVA / / /
Hopper Capacity L 15 15 15
Machine Weight kg / / /
Cooling Water Consumption L/min / / /
Machine Dimensions m / / /