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Now the bed rollers of large medical equipment such as nuclear magnetic resonance CT and the guide wheels of the bag packaging machine, etc., many of them are directly processed into rollers with their bar stock, and in terms of wear resistance, you can use the raw material rod expert system in their ** to calculate the service life of the sliding bearing, which is both convenient and objective, and should be much better than the common plastic materials on the market.
Moreover, the bar stock can not only be processed into rollers, but also many non-standard plastic parts can be machined and formed, which is basically the same as the metal processing process, so if there are slides that need high wear resistance on your equipment, you can consider it. Moreover, there are many kinds of materials for their bar stock, and they can find corresponding solutions regardless of the working conditions and environments.
By the way, it's best to use their rollers with their aluminum shafts, which works best!
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I think I'm in the best position to say on this issue.
As early as 14 years, I bought a batch of 30mm diameter yellow plastic rods, made 500 wheels, and put them on 10 devices, which have not been replaced by end customers so far. Before, POM was used, which generally had to be replaced in 3 to 4 months, and it had to be made for customers.
In terms of quality, the wear resistance is really good, but it is also high, and it is more than twice as much as the ordinary POM I bought before.
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Depending on the material, igus also has a wide range of materials to choose from.
For example, the commonly used J and W300 materials have good processing performance, and the machined surface can also be made very smooth.
However, like the high-temperature materials X and H series, the processing is more difficult, the tool should be selected better, and the speed of the tool should be slower.
In fact, the biggest point of processing performance is the deformation after processing, so the processing of sheet metal and bar material is relatively large, and pre-treatment is required, such as quenching and tempering, annealing, etc., so that the processed things will not be deformed.
You can go to their official ** to consult.
In addition, 3D printing is more popular now, it seems that they still have 3D printing materials at home, focusing on wear resistance, SLS printing accuracy can also be, and even can be used as injection molds.
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After all, it is a plastic material, and it can't be like a stainless steel rod. It mainly depends on your machining surprise, the speed of machining, the amount of feed and other parameters. Compared with ordinary nylon rods on the market, it is still easy to process and does not stick to the knife.
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It is not easy to process, iglidur X is cut 5mm shorter, after 200 knives, the tool needs to be sharpened, and it is necessary to use knives, and PEEK materials that are "harder" than iron are like this. Generally, Nylon and POM are much simpler, mainly depending on the content of reinforcing fiber.
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Packaging, medical, textile, food and other industries are all available. igus' advantages are mainly in terms of materials, which have very good wear resistance. The support sleeve of the auger has been processed on a meat grinder with igus J-bar stock, which is many times more resistant to wear than copper, and solves the problem of contamination of meat by metal chips after oil lubrication and wear in the food industry.
From 11 years to the present, it is recommended to use it in stable use under the working conditions of large force and average speed.
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igus is a leader in the field of plastic bearings, mainly in the development and promotion of new materials. With decades of experience in materials, igus has emphasized standardization, interchangeability and convenience in the past. From the sample of the igus 1500 pages, it is known.
Based on igus' experience in materials, many customers want to take advantage of igus's material advantages, but because there are no standard parts, igus has introduced bar and sheet metal to meet the customer's needs for non-standard parts, and at the same time, before the customer decides to open the mold, there are more options.
Bar stock can be used in as wide a range of applications as igus standard parts.
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Some. Bar plate is one of the main products of igus, several commonly used materials can provide rod plate, the size is relatively complete, can be directly used or machined into the shape you need, rollers or special-shaped parts can also be competent, if you have used igus products then you also know that wear resistance life is very good.
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Since its founding, igus has been committed to the development and research of engineering plastic products. After more than 50 years of continuous efforts, igus is a world leader in the field of plastic bearings. Among them, iglidur rod and plate is one of the important branches of engineering plastics, the biggest feature is that it has self-lubrication, high wear resistance, some special materials have also obtained FDA food grade certification, and some have the characteristics of high temperature resistance and corrosion resistance.
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Plastic bars and plates are also launched by igus in recent years, in the past igus is committed to the promotion of standard products, but many customers want to use non-standard design, suffering from no molds, now can use the way of machining, providing customers with new options.
After all, igus has rich experience in the use of plastic materials, and its introduction of rod sheet material is also aimed at some special market areas, after all, 400-500 yuan kg of materials, or expensive, it is said that igus has also launched economic materials, I don't know how to be economical.
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There are some for sale, but they are all high-performance engineering plastic rods, which are a little more expensive than domestic materials.
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Aren't there just axle sleeve horses of all sizes? It turns out that there is still a bar material, which must be very wear-resistant when used to make rollers, is there any information? Which god to share?
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Of course, igus has plastic bars and plates for sale, and my colleague also bought their plastic bars last year, which are used to machine them into drive rollers, which are installed in the centering guide lifting mechanism of the filling machine, and have been used for a year, and I have not heard of any problems, and the effect is estimated to be very good.
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Yes, you can use iglidur bar stock processing, as far as I know, iglidur bar material is divided into many kinds, specifically to ask igus, if the use of large quantities can consider open mold injection molding, igus can also do.
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In fact, you are asking three questions: 1. Which is more wear-resistant, the shaft sleeve or the copper sleeve from igus; 2. Will the igus plastic bushings be crushed? 3. Will igus' bushings gnaw on shafts?
The above three questions are not absolutely related. For example, it is wear-resistant and can be crushed; There is no causal relationship between wear resistance and gnawing shafts.
The first problem, the comparison of life performance with copper bushings, including any other form of bushing, needs to be placed in a working environment, and the comparison without prerequisites is empty talk. The advantage of igus is that it has carried out life comparison tests under very many conditions, such as the test results, and we can make it clear that it can work better than copper sleeves under those conditions.
The second problem, whether it can be broken is determined by many aspects of material and shape structure, in actual use, the bearing needs to have a force support, and in fact the bearing is a moving part rather than a structural part. You can put the bearing on the shaft and step on it.
The third problem is that there are many kinds of materials and surface treatments for shafts, and igus's conventional series of plastic types also exceeds 50 kinds, and most of the materials are developed for customers for different working conditions and shafts, so the correct selection can avoid gnawing the shaft, and vice versa, there is a risk of grinding the shaft.
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I used to have the same problem as the landlord, but through actual practice, this question has been well answered. Here are some of my points that the watchtower owner has adopted.
A plastic shell will break when stepped on, and the problem itself is not particularly professional, because we judge that the load that this shaft sleeve can bear is to restore its original working state, and the shaft sleeve should be worn on the shaft to use. Those who know the material will know that copper is relatively soft, which means that the ductility of the material will be relatively strong, and it is easy to deform under high-strength loads.
Are igus bushings more wear-resistant than copper bushings? In fact, there are prerequisites for this problem, igus has a wide variety of materials, and in the case of choosing the right material, the wear resistance of igus is far better than that of copper sleeves. First of all, take a look at the components of igusĀ® materials:
Base materials, solid greases, reinforcing fibers. This knowledge is quite big, just looking at the direction of the fiber can reflect different mechanical properties, here I will not say much, igus is more professional in this area, you can consult them in detail.
Why does a plastic bushing wear out the shaft? igus materials are also available with high hardness, up to 89 Shore D, in which case the shaft is prone to wear if it is not treated. I have also used an iglidurz bushing from igus, because it runs at high temperatures, in principle, igus bushings do not need to be lubricated, but in order to make the shaft rust-proof, high-temperature lubricating oil is added, but the high-temperature lubricating oil has a high viscosity at low temperatures, so it brings some small particles into it, which also leads to the wear of the shaft.
To sum up, after a long period of contact and use, igus bushings do have many plain bearings that perform better than metals, and there are a variety of materials suitable for different working conditions.
It's not easy to code words, and the owner of the watchtower adopts it, thank you.
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First of all, two concepts are popularized, the strength of a material refers to the ability to resist damage under the action of external forces; The hardness of a material refers to the ability of a material to resist a hard object pressing into its surface locally. The two are completely different mechanical properties. Breaking when stepped on is about the strength of the material, while wear resistance is partly determined by the hardness of the material.
When the shaft sleeve with high hardness is used with the flexible shaft, there is indeed a situation where the shaft sleeve wears out the shaft, and the above answers the second question. To answer the first question, wear resistance is relative, but igus has a wide range of bushings to choose from for shafts made of different materials, all of which are lubrication-free and maintenance-free. Therefore, it is not an exaggeration to say that igusĀ® bushings are more wear-resistant than copper bushings.
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igus materials are non-toxic and harmless in direct contact with food, and if you are concerned that igus also has food-grade materials, they are FDA certified.
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igus has plain bearings in accordance with FDA approval, which can be used in direct contact with food, including A500 material properties:
Temperature range in continuous operation -100 +250 Wide chemical resistance.
High compressive strength.
The water absorption rate is very low.
High abrasion resistance over the entire temperature range.
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Medical devices have cleanliness requirements, and self-lubricating engineering plastic bearings are especially suitable for medical equipment due to the characteristics of oil-free, and hospitals as public places for patients to recover their health, there are also requirements for equipment noise, and the characteristics of plastic bearings and metal parts with low noise are also very important. Small medical equipment is generally required to be lightweight and concise, plastic bearings have low density, which can reduce the weight of the whole organization, and large medical equipment, especially nuclear magnetic resonance, have a strong magnetic field during general operation, and the non-magnetic characteristics of plastic bearings make it one of the few choices.
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It is very suitable, from large MRI and CT to small blood detectors and syringe pumps, the strongest advantage is that it is maintenance-free, oil-free and clean, and it can resist the corrosion of chemicals or disinfectants. It is generally used in an indoor environment, and the noise is also very small. The most important thing is that the service life is higher than that of other bearings of the same type.
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Compared to metal, plastic has a better affinity and the patient does not feel ...... pressure
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igus' polymer bearings can be used in medical equipment, and several characteristics of plastic bearings: maintenance-free, wear-resistant, and silent, are all required characteristics of medical equipment. At the same time, igus bearings have excellent mechanical and frictional properties, and many materials have been FDA certified, which are very common in the medical and pharmaceutical industries, and can be used in places where other bearings cannot be used in direct contact with pharmaceuticals.
At present, igus provides services for various medical industry companies at home and abroad, including imaging equipment, in vitro diagnostic equipment, pharmaceutical, dispensing equipment, etc., which is widely acclaimed.
Profession: Economist.
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