What are Ball Screw Actuators?

Medical applications have some of the most stringent requirements in terms of precision and reliability. This means that the components used in these applications must also meet the same high standards. One such component that meets the linear motion requirements of the industry is a ball screw actuator. Ball screw actuators are a type of linear actuators that utilize a ball screw to impart motion. The ball screw is a cylindrical shaft with helical grooves around the circumference. Balls travel up and down the grooves, which converts rotational motion into linear motion.

Factors to Consider When Selecting Ball Screw Actuators for Medical Applications

When it comes to selecting ball screw actuators for medical applications, there are a few factors you will need to take into account. First, you need to make sure the actuator is compatible with the type of medical devices used. Second, you need to find an actuator that can handle the required force and speed. The size and weight of the actuator will also need to be taken into account. Moreover, you need to make sure the actuator is safe and reliable. Let us look into these factors briefly.

• Speed: Speed is how quickly the actuator can move the load. Ball screw actuators can achieve both high speeds and high precision, making them a good choice for many medical applications.
• Load Capacity: The other most important is the load capacity of the actuator. Load capacity is the amount of weight or force that the actuator can handle. The actuator must be able to handle the weight of the object being moved, as well as any additional forces that may be exerted on it. It is important to select an actuator that is strong enough to handle the load without becoming overloaded.
• Accuracy: Another important factor is accuracy. Ball screw actuators must be able to move the object with great accuracy. Accuracy is how closely the actuator can move the load to the desired position – in order to ensure the safety and well-being of the patient.
• Wear/Tear: In addition, the actuator must be able to withstand the high levels of wear and tear that can occur in medical settings.
• Cost: You need to consider the cost of the actuator. Not all actuators are created equal, and some are more expensive than others. It’s important to find an actuator that fits your budget.
• Miscellaneous: Other factors to consider include the type of motion required, the size and weight of the actuator, and the environmental conditions in which it will be used.

When selecting ball screw actuators for medical applications, it is also important to consider the following factors:

• Force and torque requirements
• Enclosure and mounting considerations
• Environmental conditions
• Power requirements
  
  Learn more on this topic in our related blog – 5 Popular Medical Actuator Applications

When looking for the best actuators for medical applications, ensure to partner with a manufacturer who has been designing for the healthcare and medical industry. This is because they understand the stringent requirements of this industry and would help you find the best solution for your needs. Many experienced manufacturers can also provide customized linear motion solutions for medical applications, as they understand one-size-fits approach doesn’t work for everyone. 

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In every hospital, many special rooms are equipped with advanced machinery for diagnosis and improving patients’ health. Most of these advanced systems or machinery contains actuators inside that help improve patient care facilities, enhance the work efficiency of the medical field, alongside reduces the stress level of medical surgeon across the globe. From linear actuators for nursing home beds to hospital bed electric linear actuators, they found in a variety of applications. Would you like to know the four best medical applications of actuators in use today? This post discusses the same.

4 Best Medical Linear Actuator Applications

Today, the medical linear actuator gained immense popularity for its precision and flexibility. Here is the list of the four best medical industry applications powered by medical actuators.

• Patient Rooms:

  In every hospital, there are rooms where people with critical needs are cared for. The medical furniture used in these rooms is special. There are beds with medical actuators that help in raising and lowering them whenever needed. Also, they help to reposition the bed at different angles for sitting or sleeping positions. Linear and electric linear actuators are the most widely used for this type of medical application as they ensure low-maintenance and quieter operation. This is perhaps considered as the simplest way of using technology, although it requires advanced knowledge to implement.

• Diagnosis Areas:

  As the name suggests, this area is specially designed for diagnosis and feature equipment like CT scanners, MRI machines, PT scanning instruments, and many more. All of these advanced imaging systems require the highest motion precision. Any wrong or inaccurate data can cause blurring or artifacts making interpretation difficult. Moreover, it may require repeating the entire procedure – consuming resources while exposing the patient to an extra dose of radiation. Thus, these equipment are equipped with linear actuators that ease their movement in a particular way.

• Surgical Robots:

  Robotics considered to be the drivers of various industries, and the medical industry is no exception. Earlier, medical robots have been used for several purposes, and now they are talks of minimizing a surgeon in the operating room with a patient. Electric actuators in robotic surgery enable motions to be accurately controlled in a field wherein precision is a maxim. During surgeries, the robot, guided by through a control panel, matches the skills of his hands through motions, dampening any tremor. Selecting a linear actuator for functioning a small part of it, one would need years of education.

• Surgical Areas: These are important areas in any hospital. The operation theaters feature many ergonomically designed equipment including surgery tables, laser positioning equipment, and so on. These equipment are designed to give maximum comfort to the surgeon and his team, as well as the patient. Linear actuators play a key role in ensuring the ergonomic advantage of this equipment.

Learn more on this topic in our related blog – 5 Popular Medical Actuator Applications

It’s quite difficult to determine which type of actuator is best for medical equipment. But, you can easily find out which drive meets your project requirement. With a huge varieties of medical actuator technology devices such as bath lifts, stretchers and incubators, and more, it can be difficult to choose the right product. In such cases, you can find experts that will assist you to by deeply understanding your requirements. Venture Mfg. Co. is one such company that truly understands these requirements of the medical industry. With vast experience, the company focus on designing actuators for the medical industry.

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How Does a Linear Actuator Work?

Working of these actuators entirely depends on the structural elements of the machine. The key component of the linear actuator is a motor segment that permits clockwise or anticlockwise rotation. However, the gearbox is essential for changing the force and speed of linear movement produced by the lead-screw. It decreases the frequency to condition for the screw rotation.

Overstretching and recantation can be avoided using an incorporated limit switch that comes inside the shaft: one for extended position and other for retracted position. This is simplified by the drill nut comes with a cover tube, which activates the switch in between the vertical motion. This is followed by the cut in the power supply and then backing the movement. The electricity flow is only permitted unidirectional, and the movement in both directions is then restored.

Why Use Linear Actuators?

Replacement with linear actuators is straightforward, and the benefits are proven including greater control and accuracy, lower maintenance costs and many more. In addition to this, actuators communicate with machines electronic control unit (ECU). This result in reducing the need for single function controllers.

Each type of linear actuator including an electric linear actuator or hydraulic linear actuator is made differently. And, has its advantages. For instance, mechanical linear actuators are cost-effective, self-contained and reusable. One electric actuator can replace various hydraulic actuators and operate with little force to reduce operator efforts. They also offer high accuracy, longer component life, etc. On the other side, hydraulic actuators are designed for heavy-duty applications. Pneumatic linear actuators are lightweight, powerful and offer a repeatable motion.

What are the Real-Time Applications of Linear Actuators?

Linear motion is much in demand in almost every sector, and the linear actuator is the best responses. Vowing their uses, they are widely used in the various applications. Here are few important practical applications of actuators:

• Industrial and Construction Machine Uses:
  • Sweeping
  • Lawn Mower
• Agriculture Uses:
  • Fertilizer Spreaders
  • Seeding Machine
  • Pulverizer
  • Harvesters
• Office and Home Uses:
  • Regulate the hospital beds and wheelchairs
  • For constructing mammographic and X-ray equipment
  • Adjust the gynecological tables and stretchers
• Personal Care and Hospital Uses:
  • Adjust the difficult access windows
  • Adjust ducts of ventilation
  • Adjust relaxation beds, recliners for footrest

Learn more on this topic in our related blog: All Important Questions Answered on Linear Actuators: Part 1

Wasn’t it easy for any beginner to understand everything about linear actuators? Are you interested to know more about these actuators or electric linear actuators? If yes, then you can employ the industry experts, like Venture Mfg. Co., who is one of the leading manufacturers of linear actuators. The company also offers the best quality electric linear actuators at competitive prices. The company has a reputation of delivering the right product as per the customer requirement at cost-effective prices.

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Notable Advantages of Electro-Mechanical Actuators

Designed to perform in tough industrial environments, electro-mechanical actuators assure quiet, smooth, and repeatable operation. The other advantages that make them a suitable choice in a wide range of products and processes include:

• They improve machine performance owing to their accurate and smooth delivery of force.
• They are more resistant to temperature variations.
• Since there is no oil to change, no leaks to repair, these electric linear actuators require less maintenance
• With easy set up and installation, they save more than 50% of running costs
• As they do not suffer air leaks, these linear actuators are suitable for applications that require clean operation as in the case of food, beverage, packaging, medical industries.
• Compared to equivalent hydraulic and pneumatic systems, elecro-mechanical actuators are available in modular design to provide complete control of motion profiles.
• Since they use power only when they are moving, they are considered as a more energy efficient compared to hydraulic and pneumatic systems.
• They are designed ruggedly utilizing the best of raw materials to can be run continuously without affecting performance.
• Risk of contaminating the environment is minimal as there are no hydraulic fluid leaks.
• They guarantee quieter operation compared to their counterparts such as pneumatic and hydraulic actuators.
• They facilitate a high degree of customization in desired loads, duty cycles, and strokes and retract lengths.
• They are offer years of reliable and low maintenance operation irrespective of usage.
• These actuators are equipped with aluminum housings for corrosion protection with weather resistant sealant.
• Electro-mechanical actuators possess high speed and acceleration capabilities with excellent load bearing capacity

Learn more on this topic in our related blog: How Linear Actuators can Provide Solutions for Material Handling Applications

With such an endless list of advantages to offer, there is no surprise to see their widespread usage for varied applications across industries. This risen demand rendered added responsibilities to the actuator manufacturers to produce them in varied configurations to meet the application requirements. There are several leading names in the industry who offer best selection of technologies to suit the needs of our customers’ applications. If you are in search for a manufacturer who is committed to meeting the increasing service demands, then Venture Manufacturing can be your trusted source to get the job done rightly. They brings together the technology and experience ensure precise speed control and reliable performance.

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4 Reasons that Substantiate the Use of Linear Actuators in Wheel Chairs

Owing to the impeccable performance capabilities, electric linear actuators are largely replacing pneumatic and hydraulic actuators in wheelchair assembly and other medical applications. Some medical devices powered by these actuators, include including operating room beds, dentist chairs, diagnostic systems (X-ray machines, MRI and CT scanners), and so on. What accounts for the immense popularity of these medical actuators? Read below to know more

• Medical grade devices/equipment must always be cleaned and hygiene. This is applicable to wheel chairs as well. Linear actuators can operate without any fluid or ancillary equipment. This ensures clean operation. Additionally, they can be subjected to frequent heavy wash downs using detergents. Also, they are compatible with other sterilization processes.
• Linear actuators can be manufactured to withstand heavy loads. They can also be fabricated to be compact for reducing the overall size of the application. They ensure reliable results owing to their powerful performance, clean operation, and increased efficiency.
• They can be made combining motor and actuator and also power controls, offering diverse integration capabilities. This not only helps reducing the spacing requirements but also enhancing their mobility and control features.
• Electric actuators combine force, velocity, and positioning in a compact motion control device, making them a popular choice for motion control in critical, life-saving medical applications. They can also be customized to precise stroke lengths, clevis end-tips, control wires, cable lengths, different gearing ratios and much more.

Learn more on this topic in our related blog: 5 Ways Wheelchair Actuators are Enhancing Patient Lives

With a right combination of precision, reliability, durability and ergonomics, they offer several advantages that suit several industries, and most importantly the medical industry.

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How Electric Linear Actuators Help Automating Process in Various Industries?

Intelligent actuator solutions are leading automation in various industries. Below are some industries, which have been benefitted from using linear actuators.

• • Food and Beverage: Modern food industry demands a high level of automation. . Process automation is done in order to streamline the food production, better the quality control, and ensure an orderly working of machines. All this is done with the help of custom linear actuators. Some examples are mentioned below:
    1. In the food production units and industrial kitchens, various types of raw materials are pretreated before processing. This requires the use of electric linear actuators. For instance, 24 volt linear actuators are used to automate the process of washing, peeling, and cutting the vegetables and fruits.
    2. Frozen vegetables are passed through a vegetable conveyor line systems for cleaning them in order to avoid any potential contamination. The vegetable conveyor line is operated by the rod line linear actuator, which provides effective wash-down environment.
    3. Venture Mfg.’s range of linear actuators are greatly utilized in various beverage processing applications like cup fillers, bottling units, etc.

• • Medical and Pharmaceuticals: Today, healthcare facilities are focusing on advanced technologies to improve lives of patients and hospital staff. They are using various types of equipment that offer comfort to patients, and helps improve ergonomics of staff. These equipment are driven by linear actuators. The following are highlights of actuators in medical and pharmaceutical industry:
    1. Actuators in electronic incubators help maintain a stable thermal temperature, which is critical for premature babies. This automation process is taken care by the presence of control loop system, which is a combination of sensors and linear actuators.
    2. Medical stretchers, operation bed, electric wheelchairs, and electric chairs are equipped with electric linear actuators, which greatly enhance the working of these equipment. The linear actuators also allow you to adjust the height as per the patient’s comfort.
    3. Being one of the reputed linear actuator manufacturers, various pharmaceutical firms utilize our rack actuators with standard stepper motors. The actuators in these machines enable medicines and drugs to move up and down the rack ensuring smooth motion.

• Agriculture : Modern day agricultural practices are heavily reliant on advanced technologies, in order to expedite their agricultural prospects. The prospects include providing complete automation solutions for agricultural equipment and deploying quality control methods for farming. Venture Mfg. Co.’s range of electric linear actuators help increase the productivity and efficiency of agricultural products by providing the desired automation solutions in many ways. They are discussed below:
  1. Electric linear actuators are used in seed sprayers, which help spraying the right amount of seeds. They help in automating sprayers by controlling the height and angle of the nozzle.
  2. Many heavy duty electric trucks are equipped with advanced electric linear actuators, which control their steering wheel adjustment in heavy duty electric trucks. This ensures smooth functioning of these vehicles making them resistant to extreme environmental constraints.

Learn more on this topic in our related blog: How Electric Linear Actuators Drive Factory Automation?

The above-mentioned are a few examples suggesting the utilization of linear actuators in industrial automation. Venture Mfg. Co. provides a comprehensive range of linear actuators, which find use in diverse complex industrial applications. All these actuators are designed to offer excellent maneuverability, and lasting performance.

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Benefits of Actuator-driven Incubators and Stretchers

Here is how actuators are adding value to incubators and stretchers.

• Flexible functionality and ergonomics for incubators & stretchers: Premature born or sick babies are kept in incubators because they need extra care, treatment, as well as regular monitoring. Few years ago, electric adjustable incubators were introduced, which ensured comfortable, as well as better ergonomics to work staff. These electronic incubators are equipped with electric linear actuators that help adjust the height to the benefit of the work staff. Similarly, stretchers are also equipped with electric linear actuators that allow patients and health workers to increase or decrease the height to their comfort In the electric actuators, the height can be adjusted with respect to the individual use and consequently offer advantage for the entire operation (with reference to ergonomic parameters).
• Maintaining stable thermal environment within the Incubator: There are various factors like high metabolism rate, low birth weight, or other critical factors, which often lead to several health complications in premature born babies. Therefore, it very important to maintain a stable temperature throughout. A neonatal incubator helps to regulate the body temperature within a safe range. The thermal environment inside the incubator is maintained due to the presence of control loop system which is a combination of sensors and linear actuators.
• Increased comfort for patients via electric functionality: Most of the modern day stretchers are equipped with advanced linear actuators, which ensures improved ergonomics for healthcare personnel. At the same time, these stretchers improve patient’s comfort too. Manufacturers are now looking ways to equip these actuators to mobile applications.

Learn more on this topic in our related blog: A Brief Discussion on How Are Linear Actuators Used In Medical Applications

All the above mentioned benefits will help you understand how actuator driven incubators and stretchers are changing lives of healthcare personnel, as well as users. If you are looking for a reliable brand of linear actuators for your incubator or stretcher you can consider Venture Mfg. Co. who supplies industry-grade actuators for medical industry various applications also.

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What are some of the Important Features of Dental Chairs?

For a dental clinic, dental chairs are very important. These chairs are recognized for their precision and ergonomics. Choosing a chair, which is comfortable for both the dentist as well as the patient is of utmost importance.

Some of the main features of a dental chairs include

• Ergonomic
• Thin Backrest
• Soft Cushioning
• Swivel
• Programmable Positions
• Magnetic Headrest
• Double-Articulating Headrest
• Movable Armrest For Easy Patient Entry/Exit
• Footswitch Or Touchpad
• Seat Tilt

Some of the features of dental chairs may be more significant than others, for example, a thin backrest provides the dentist sufficient leg room for better access to the dental cavity. Most of the dental chairs are equipped with hydraulics systems for powerful and continuous movement of the chair. These chairs are have actuators, which enable easy adjustment of the chair height, footrest, and headrest.

What are Linear Actuators? How are they Useful in Dental Chairs?

The actuator is a unit that converts the operating voltage from a control box into a linear movement. Following are the ways linear actuators support dental chairs:

• Linear Motion: A linear actuator produces motion in a straight line, in contrast to the circular motion of a traditional electric motor. When used in a dental chair, you can adjust the random linear driving mechanism position according to individual requirements.
• Allows Easy Positioning: There is built-in displacement sensor to control motor movement, by a microcomputer for receiving and processing, real-time monitoring of linear driving mechanism position. This helps in adjusting the position of a dental chair more accurately. The standard stroke with different load mode, use requirements that are different for different combination design.
• User-friendly Designs: Some linear actuators are used with hand controls, such as those in dental chairs. These actuators do not need positional feedback other than end-of stroke limit switches. Some dental chair actuator manufactures even eliminate the need of these limit switches by offering integral freewheeling at the end of stroke.

Learn more on this topic in our related blog – 5 Tips for Designing Linear Actuators for Dental Chairs

Other Applications of Linear Actuators

Linear Actuator is widely used in electric nursing bed, operation bed, traction, massage chairs, electric sofa, electric wheelchair, electric windows, electric booth, ergonomic furniture to linear motion actuator occasions, the installation is very convenient, widely applied in many fields of medical, fire protection, Home Furnishing, industrial automation, chemical industry, sanitary ware, leisure, medical rehabilitation.

The medical industry considers ergonomics, as well as reliability, and precision, as fundamentals for any medical device or equipment. They realize that actuators will help medical equipment meet these requirements. There are plentiful varieties of medical actuator technology devices available in the market, and it can be challenging to choose the right product. You can always get help of the professionals in the field, or a dental chair actuator manufacturer to understand the benefits of actuators in your medical systems.

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Steps for Operating Sling and the Electric Patient Lift

Generally, a patient lift is designed with a few primary components – the lift itself, and a chair or sling. The sling or chair is used to seat the patient comfortably before the lift is used. In the points below, we will be discussing how to use an actuator driven electric patient lift with a sling. While a person can perform these steps single-handedly, having a partner to help is an advantage.

1. Help the patient to roll onto his side, and place the sling under his body.
2. The sling needs to be completely under the patient. Hence, you will have to get the patient to roll to the other side, so that the sling can be pulled further.
3. Allow the patient to roll on his back so that he can rest on the sling.
4. Use the loops of the sling to attach it to the lift. Ensure that the patient is comfortable, and that his weight is distributed evenly.
5. The lift is controlled by a vertical actuator. Use the lift controls to activate the actuator and begin the lifting process.
6. Lift the patient from the bed to the edge of the wheelchair or furniture that he is supposed to sit on. Ensure that it will be easy for you to set the patient down on the furniture.
7. Use the lift’s actuators to turn the patient around, so that his back is towards the furniture.
8. Gently lower the patient, allowing him to rest on the furniture comfortably.
9. Begin tucking the sling gently, while it is still connected to the lift. This will allow you to remove the sling without causing any discomfort to the patient.
10. Check the patient’s body to ensure that he hasn’t suffered from skin redness, rash, or irritation due to the sling. If yes, then apply the appropriate skin cream or ointment.

Tips to Ensure Safe Patient Transport

• Ensure that the patient is sitting in the middle of the sling. If not, it may cause him pain and discomfort.
• Move the lift slowly to prevent any kind of accident.
• Sometimes, the patient can slip from the sling and fall. If you are working with a partner, have him lightly support the patient’s back when moving the patient. Also, ask him to keep an eye on whether the patient is slipping from the sling.

Learn more on this topic in our related blog: How Medical Actuators Support Electric Hospital Beds

Actuators for electric patient lifts allows doctors and nurse to complete the task of moving a patient efficiently. Venture Mfg. Co. provides a variety of linear and electric actuators for the medical industry. For more information, contact Venture Mfg. Co. today.

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5 Important Factors to Consider While Designing Actuators for Dental Chairs

Following are the five important tips for designing linear actuators for dental chairs:

• Understand the Basic Specifications:

  Before starting with the actuator design, you need to understand the load, power, and control that an application requires. Apart from that, you need to consider the following basic requirements too.

  • Force Requirement: How much force is required for your application to move a load in a particular direction?
  • Speed: How fast your actuator should move?
  • Duty Cycle: What is the frequency of actuator operation, and what is the elapse between two strokes.
  • Energy Source: How your actuator will be powered? Will it be powered by an electric motor, mechanical, pneumatic, or hydraulic source?
  • Environmental Factors: In which environment will the actuator be operated? How much moisture, temperature, and vibrations it may encounter?

• Consider Various Application Options:

  After understanding the basic specifications, you need to consider various application options. These may include:

  • How the actuator will be mounted within the dental chair?
  • Is the actuator safe to use?
  • Is the actuator going to be used in a limited space?
  • Is the actuator going to be driven by an electric motor? If so, what will be the voltage?

• Consider Power Needs:

  Although power requirements of the dental chair should be the primary consideration in your specification phase, still you need to give it a serious thought. Once you know the force required by your application, you can easily calculate the electrical power needed to produce the required mechanical power.

• Consider Duty Cycle:

  You have already considered it as one of the primary requirements along with other factors. However, the actuator may entirely fail due to improperly considered duty cycle limits. The duty cycle is a key factor for heat production and dissipation in a linear actuator.

• Think about Efficiency and Performance:

  Efficiency and performance of an actuator will depend on all above considerations. This is also the time when you can try out some permutations and combinations of components to ensure maximum efficiency, and lasting performance of dental chairs.

Learn more on this topic in our related blog – Why are Actuators Important in Dental Chairs?

You can always purchase your actuators from reliable linear actuator manufacturers such as Venture Mfg. The organization provides various types of medical actuators, which are customized keeping the above-mentioned factors in mind. You can always get in touch with Venture Mfg.’s knowledgeable experts to understand how a particular linear actuator will contribute to your dental chair performance.

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