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From airshaft-china.com – Your Trusted Professional Air Shaft & Roll Material Handling Equipment Manufacturer & Supplier
Rubber Strip Extension Roller (also widely known as rubber strip expander roller, web spreading roller, wrinkle removing roller, spiral rubber strip expander, or differential spreader roller) is a high-precision, high-efficiency web guiding and flattening core equipment, specially designed for continuous roll material processing production lines. It is the industry-preferred solution for eliminating web wrinkles, correcting material running deviation, and stabilizing web tension, perfectly matching with airshaft systems, printing machines, slitting machines, and various winding & unwinding equipment.
As a key auxiliary component in roll material processing, our rubber strip extension roller works through a scientific spiral structure design: high-elasticity rubber strips are evenly arranged on the roller body in a left-right symmetrical spiral form. When the roller rotates with the running web, the spiral rubber strips generate a continuous, uniform lateral spreading force from the center to both ends of the roller, gently stretching the web in the width direction during conveying, thus completely eliminating wrinkles, 荷叶边 (edge waviness), and telescoping of the roll material, while effectively preventing web deviation and ensuring stable, high-precision conveying of the material.
Unlike traditional bow-type expander rollers, fixed spreader bars, or other wrinkle removing equipment on the market, our rubber strip extension roller adopts flexible contact with the web, which will not scratch, stretch or deform the processed material, even for ultra-thin and easily damaged precision materials. For more than 15 years, our high-quality rubber strip extension rollers have been the preferred choice for printing & packaging factories, film manufacturers, paper mills, new energy plants, and textile enterprises worldwide, fully compatible with all mainstream production line brands and custom processing equipment.
At airshaft-china.com, we provide standardized and fully customizable rubber strip extension roller solutions to meet every unique requirement of your production line. Our core product specifications are strictly controlled with precision machining and dynamic balance testing, to ensure stable high-speed operation, perfect flattening effect, and long service life in all industrial applications:
We offer a full range of standard roller sizes that fit over 95% of mainstream roll material processing production lines, with strict dimensional tolerance control and precision machining to ensure installation compatibility and running accuracy:
Roller Diameter Range: Standard diameter from φ50mm to φ300mm, custom diameter available for special working conditions
Effective Roller Face Width: Standard effective width from 300mm to 6000mm, fully customizable according to your production line web width, with maximum customizable width up to 8000mm
Shaft Head Material: Standard 45# high-quality carbon steel, optional 304/316 stainless steel for corrosion-resistant, food-grade, or chemical industry applications
Roller Body Material: Standard high-quality seamless steel pipe, optional 304/316 stainless steel, aluminum alloy for lightweight, high-speed, or anti-corrosion requirements
Dynamic Balance Grade: Standard G2.5 grade high-precision dynamic balance, suitable for high-speed continuous operation, with maximum supporting linear speed up to 300m/min
Bearing Configuration: Branded high-precision deep groove ball bearings, standard IP65 waterproof and dustproof sealed design, suitable for harsh industrial environments
The rubber strip is the core functional component of the extension roller, and we provide a variety of high-performance rubber material options to adapt to different working conditions and material processing needs, with strict quality control to ensure wear resistance, elasticity, and long-term stable performance:
Standard Nitrile Rubber (NBR) Strip: The most widely used universal material, with excellent oil resistance, wear resistance, and aging resistance, suitable for normal temperature, conventional printing & packaging, and film processing scenarios
Food-Grade Silicone Rubber Strip: With excellent high and low temperature resistance (-40℃ to 200℃), non-toxic and tasteless, fully compliant with FDA food contact standards, suitable for food packaging, pharmaceutical packaging, and high-temperature coating production lines
High-Wear Polyurethane (PU) Strip: With ultra-high tensile strength, tear resistance, and wear resistance (3-5 times that of ordinary rubber), suitable for high-speed, heavy-load, long-term continuous operation production lines
Special Performance Rubber Strip: Customizable anti-static, flame-retardant, acid and alkali resistant, and solvent resistant rubber strips, to meet the needs of special working conditions such as chemical industry, electronic material processing, and explosion-proof scenarios
Rubber Strip Arrangement: Standard left-right symmetrical double spiral design, customizable spiral angle, strip width, and strip quantity according to your web material properties and flattening requirements
Fixed bracket mounting type (the most widely used universal type)
Movable sliding seat mounting type
Pneumatic swing mounting type
Flange mounting type
Custom special mounting structure according to your equipment drawings
The excellent flattening and spreading performance of our rubber strip extension roller comes from its scientific mechanical structure design, which achieves non-damaging web flattening through a purely physical mechanical principle, without additional power drive in most cases:
When the web material passes through the surface of the extension roller, it drives the roller body to rotate synchronously. The high-elasticity rubber strips arranged in a left-right symmetrical spiral on the roller body will produce a progressive lateral displacement along the width direction of the web during the rotation process. From the center of the roller to both ends, each contact point between the rubber strip and the web generates a uniform and gentle outward pulling force, which stretches the web evenly in the width direction during conveying.
This continuous and controllable lateral spreading force can effectively eliminate the slack and wrinkles of the web during high-speed conveying, correct the running deviation of the material, and ensure that the web maintains a flat and tensioned state during winding, unwinding, printing, coating, slitting and other processing procedures. Unlike traditional bow-type expander rollers that rely on bending deformation to flatten the web, our rubber strip extension roller has linear contact with the material, with uniform force on the entire web width, no local over-stretching, and no damage to the surface of precision materials.
Our high-performance rubber strip extension roller is engineered to deliver exceptional flattening effect and long-term stable operation in the most demanding industrial environments, solving core pain points for roll material processors and bringing significant value to your production line. Below are the core advantages that make our products stand out in the global market:
It is perfectly suitable for processing materials with a thickness as low as 0.01mm, such as optical films, lithium battery diaphragms, PET release films, electronic adhesive tapes, and metal foils, completely avoiding the problems of material stretching, surface abrasion, and optical performance damage caused by traditional bow-type expander rollers and rigid spreader bars.
Our scientific symmetrical spiral structure design ensures that the spreading force is evenly distributed across the entire width of the web, with no local force unevenness. The spreading force can be adjusted by changing the spiral angle of the rubber strip, the roller installation angle, and the wrapping angle of the web, to achieve the optimal flattening effect for different materials, thicknesses, and running speeds.
It can effectively eliminate various types of wrinkles, including longitudinal wrinkles, transverse wrinkles, edge waviness, and middle slack of the web, and solve common production defects such as uneven roll end face, material telescoping, and inaccurate overprinting during winding and unwinding, greatly improving the product qualification rate of your production line.
All rubber strips of our extension roller are made of high-performance industrial-grade rubber raw materials, with a special formula and vulcanization process, which have excellent wear resistance, aging resistance, and tear resistance, far exceeding ordinary rubber products on the market.
The roller body undergoes strict anti-rust and anti-corrosion treatment, and the high-precision sealed bearings have a long service life of more than 20,000 hours under normal working conditions. The rubber strip adopts a detachable and replaceable design, which is convenient for later maintenance, greatly reducing your maintenance cost and equipment downtime.
Each of our rubber strip extension rollers undergoes strict G2.5 grade high-precision dynamic balance testing before leaving the factory, which can maintain extremely stable operation even under the maximum linear speed of 300m/min, with no obvious vibration, no jitter, and low running noise.
The high-precision machining of the roller body and shaft head ensures the coaxiality of the entire roller, which can effectively reduce the vibration of the production line, protect the precision components of the equipment, and extend the service life of the entire production line, perfectly adapting to the needs of modern high-speed, continuous production lines.
Our rubber strip extension roller has a very wide range of applications, and can be customized according to the properties of different materials and working conditions, to achieve the best use effect:
Suitable for web thickness from 0.01mm ultra-thin film to 5mm thick cardboard and non-woven fabric
Adaptable to linear speed from 5m/min low-speed intermittent production to 300m/min high-speed continuous production
Optional a variety of rubber materials to adapt to the temperature range from -40℃ to 200℃
Customizable anti-corrosion, anti-static, food-grade, and flame-retardant solutions for special working environments
Our rubber strip extension roller adopts a modular design, with a variety of installation structures to choose from, which can be directly installed and replaced on your existing production line without additional transformation, and the installation and debugging are simple and convenient.
The detachable rubber strip design makes the later maintenance extremely simple. When the rubber strip is worn, you only need to replace the strip separately, without replacing the entire roller body, which greatly reduces the maintenance cost and shortens the equipment downtime. The sealed bearing design is maintenance-free for a long time, only requiring regular lubrication according to the working conditions.
Printing & Packaging Industry: Suitable for gravure printing machines, flexographic printing machines, offset printing machines, laminating machines, coating machines, bag making machines, and die-cutting machines, to eliminate web wrinkles and ensure accurate overprinting and uniform lamination of packaging films, label paper, and carton boards.
Plastic Film & Flexible Packaging Industry: The core flattening equipment for BOPP, PET, PVC, PE, CPP film production lines, film blowing machines, and casting machines, to solve the problems of film wrinkling, edge waviness, and uneven winding, perfectly adapting to the processing of various flexible packaging films.
Paper Converting & Paper Mill Industry: Widely used in paper machines, coating machines, slitting machines, and corrugated cardboard production lines, suitable for flattening and conveying of various paper materials, including kraft paper, cultural paper, specialty paper, tissue paper, and cardboard.
Nonwoven & Textile Industry: Compatible with non-woven fabric production lines, textile dyeing and finishing equipment, fabric printing machines, and carpet processing lines, providing stable flattening and tension control for soft, easily deformable non-woven fabrics, fabrics, and knitted materials.
New Energy & Battery Industry: The preferred flattening equipment for lithium battery diaphragm production lines, electrode sheet coating machines, and new energy material processing lines, with non-damaging and non-polluting properties, meeting the high-precision and high-cleanliness requirements of new energy production.
Food & Pharmaceutical Packaging Industry: Food-grade and medical-grade silicone rubber extension rollers, suitable for food packaging, pharmaceutical blister packaging, and medical material production lines, fully compliant with FDA and GMP production standards, non-toxic and tasteless, safe and reliable.
Metal Foil & Composite Material Processing Industry: Suitable for copper foil, aluminum foil, steel foil, and composite metal material slitting and rewinding lines, with gentle contact that will not damage the surface of precision metal materials, ensuring flat conveying and uniform winding of metal foils.
Adhesive Tape & Label Industry: Suitable for adhesive tape coating machines, slitting machines, label rewinding machines, and self-adhesive material processing lines, effectively eliminating wrinkles and material deviation during the processing of thin, easily stretchable adhesive materials and label substrates.
At airshaft-china.com, we understand that every production line has unique design requirements, material properties, and working conditions, so we provide comprehensive, one-stop customization services for our rubber strip extension roller, beyond our standard product options.
Custom Roller Dimension: Fully customizable roller diameter, effective roller face width, shaft head size, and installation dimensions according to your equipment drawings and installation space.
Custom Rubber Strip Solution: Customizable rubber material (NBR, silicone, PU, etc.), strip width, spiral angle, quantity, and special performance (anti-static, food-grade, high-temperature resistant, etc.) according to your processed material and working conditions.
Custom Roller Body & Material: Optional roller body material (carbon steel, stainless steel, aluminum alloy), surface treatment, and anti-corrosion scheme according to your working environment.
Custom Installation Structure: Customizable mounting bracket, sliding seat, swing structure, and other installation forms according to your equipment design, to achieve perfect matching with your existing production line.
Special Performance Customization: For special working conditions, such as high-speed operation, high and low temperature environments, chemical corrosion resistance, explosion-proof requirements, and food-grade production, we can provide targeted custom design solutions.
Sample Customization & Performance Testing: We provide sample customization and prototype testing services for new customers, allowing you to verify the flattening effect and installation compatibility of our products before bulk ordering, ensuring that the products fully meet your production needs.
To ensure that your rubber strip extension roller delivers the best flattening effect and the longest service life, we have compiled the following professional installation and maintenance tips based on our 15+ years of industry experience:
Before installation, confirm the installation position and wrapping angle of the extension roller on the production line. The recommended wrapping angle is 15°-30°, and the optimal wrapping angle can be adjusted according to the material properties and flattening effect.
Ensure that the installation of the roller body is horizontal and coaxial with the front and rear guide rollers, with no deflection or tilt. The parallelism error between the extension roller and the adjacent guide rollers should be controlled within 0.5mm/m, to avoid material deviation caused by uneven installation.
Fix the mounting brackets firmly to avoid loosening and vibration during high-speed operation. Ensure that the roller body rotates flexibly after installation, with no jamming or abnormal resistance.
For the adjustable installation angle type, adjust the installation angle of the roller body according to the flattening effect of the material, to achieve the optimal spreading force. Do not use an excessive installation angle, which will cause material stretching and deviation.
After installation, perform a low-speed test run first, check for abnormal noise, vibration, and jitter, and then gradually increase the running speed to the normal production speed after confirming that the operation is normal.
Establish a regular inspection system: Check the surface condition of the rubber strip, the running status of the bearing, and the firmness of the mounting bracket every month. For 24-hour continuous high-speed production lines, shorten the inspection cycle to 15 days.
Regular cleaning: Regularly clean the surface of the rubber strip and the roller body with a clean soft cloth and mild detergent, to remove dust, oil stains, and adhesive residues on the surface. Avoid using strong corrosive solvents or hard brushes to scrub the rubber strip, which will cause damage to the rubber surface.
Bearing lubrication: Regularly add lubricating grease to the bearings according to the working conditions, usually every 6 months. For high-speed, high-temperature, and dusty working environments, shorten the lubrication cycle to 3 months, to ensure the flexible rotation of the bearings.
Timely replacement of rubber strips: When the rubber strip is obviously worn, aged, cracked, or partially fallen off, replace it immediately. Delayed replacement will affect the flattening effect, and even cause scratches and damage to the processed material. We can provide matching replacement rubber strips for you.
Long-term shutdown storage: If the equipment is shut down for a long time, clean the roller body and rubber strip thoroughly, apply a layer of protective agent on the rubber surface, cover it with a dust-proof cloth, and store it in a dry, ventilated environment, avoiding direct sunlight, high temperature, and humid environments, to prevent rubber aging and roller body rust.
A: The core difference lies in the flattening method and material protection performance. The bow-type expander roller relies on the bending deformation of the roller body to flatten the web, which has point contact with the material, easy to cause local over-stretching and surface damage to thin and precision materials. Our rubber strip extension roller adopts flexible linear contact with the material, with uniform spreading force across the entire web width, no damage to the material, better flattening effect, and wider application range, especially for high-precision and ultra-thin material processing.
A: Our standard effective roller face width ranges from 300mm to 6000mm, and we can customize the maximum effective width up to 8000mm according to your production line needs, and the minimum customizable width is 100mm for small laboratory equipment and narrow material processing lines.
A: We will recommend the most suitable rubber material according to your processed material, working temperature, line speed, and contact media. For general printing and packaging scenarios, we recommend standard NBR rubber; for high-temperature and food-grade scenarios, we recommend silicone rubber; for high-speed, heavy-load long-term operation, we recommend high-wear PU rubber. We can also provide custom rubber formulas for special working conditions.
A: Yes, absolutely. We can fully customize the roller according to your drawings, samples, or technical parameters, including roller diameter, effective width, shaft head size, installation structure, rubber material, and spiral design, to ensure 100% compatibility with your existing equipment and production line.
A: The service life of the roller body is more than 10 years under normal working conditions. The service life of the rubber strip depends on your working conditions, line speed, and material properties. Under normal 8-hour daily production conditions, the rubber strip can be used for 12-18 months; for 24-hour continuous high-speed production lines, the service life is 6-12 months. The rubber strip is detachable and replaceable, which greatly reduces the later maintenance cost.
From airshaft-china.com – Your Trusted Professional Air Shaft & Roll Material Handling Equipment Manufacturer & Supplier
Rubber Strip Extension Roller (also widely known as rubber strip expander roller, web spreading roller, wrinkle removing roller, spiral rubber strip expander, or differential spreader roller) is a high-precision, high-efficiency web guiding and flattening core equipment, specially designed for continuous roll material processing production lines. It is the industry-preferred solution for eliminating web wrinkles, correcting material running deviation, and stabilizing web tension, perfectly matching with airshaft systems, printing machines, slitting machines, and various winding & unwinding equipment.
As a key auxiliary component in roll material processing, our rubber strip extension roller works through a scientific spiral structure design: high-elasticity rubber strips are evenly arranged on the roller body in a left-right symmetrical spiral form. When the roller rotates with the running web, the spiral rubber strips generate a continuous, uniform lateral spreading force from the center to both ends of the roller, gently stretching the web in the width direction during conveying, thus completely eliminating wrinkles, 荷叶边 (edge waviness), and telescoping of the roll material, while effectively preventing web deviation and ensuring stable, high-precision conveying of the material.
Unlike traditional bow-type expander rollers, fixed spreader bars, or other wrinkle removing equipment on the market, our rubber strip extension roller adopts flexible contact with the web, which will not scratch, stretch or deform the processed material, even for ultra-thin and easily damaged precision materials. For more than 15 years, our high-quality rubber strip extension rollers have been the preferred choice for printing & packaging factories, film manufacturers, paper mills, new energy plants, and textile enterprises worldwide, fully compatible with all mainstream production line brands and custom processing equipment.
At airshaft-china.com, we provide standardized and fully customizable rubber strip extension roller solutions to meet every unique requirement of your production line. Our core product specifications are strictly controlled with precision machining and dynamic balance testing, to ensure stable high-speed operation, perfect flattening effect, and long service life in all industrial applications:
We offer a full range of standard roller sizes that fit over 95% of mainstream roll material processing production lines, with strict dimensional tolerance control and precision machining to ensure installation compatibility and running accuracy:
Roller Diameter Range: Standard diameter from φ50mm to φ300mm, custom diameter available for special working conditions
Effective Roller Face Width: Standard effective width from 300mm to 6000mm, fully customizable according to your production line web width, with maximum customizable width up to 8000mm
Shaft Head Material: Standard 45# high-quality carbon steel, optional 304/316 stainless steel for corrosion-resistant, food-grade, or chemical industry applications
Roller Body Material: Standard high-quality seamless steel pipe, optional 304/316 stainless steel, aluminum alloy for lightweight, high-speed, or anti-corrosion requirements
Dynamic Balance Grade: Standard G2.5 grade high-precision dynamic balance, suitable for high-speed continuous operation, with maximum supporting linear speed up to 300m/min
Bearing Configuration: Branded high-precision deep groove ball bearings, standard IP65 waterproof and dustproof sealed design, suitable for harsh industrial environments
The rubber strip is the core functional component of the extension roller, and we provide a variety of high-performance rubber material options to adapt to different working conditions and material processing needs, with strict quality control to ensure wear resistance, elasticity, and long-term stable performance:
Standard Nitrile Rubber (NBR) Strip: The most widely used universal material, with excellent oil resistance, wear resistance, and aging resistance, suitable for normal temperature, conventional printing & packaging, and film processing scenarios
Food-Grade Silicone Rubber Strip: With excellent high and low temperature resistance (-40℃ to 200℃), non-toxic and tasteless, fully compliant with FDA food contact standards, suitable for food packaging, pharmaceutical packaging, and high-temperature coating production lines
High-Wear Polyurethane (PU) Strip: With ultra-high tensile strength, tear resistance, and wear resistance (3-5 times that of ordinary rubber), suitable for high-speed, heavy-load, long-term continuous operation production lines
Special Performance Rubber Strip: Customizable anti-static, flame-retardant, acid and alkali resistant, and solvent resistant rubber strips, to meet the needs of special working conditions such as chemical industry, electronic material processing, and explosion-proof scenarios
Rubber Strip Arrangement: Standard left-right symmetrical double spiral design, customizable spiral angle, strip width, and strip quantity according to your web material properties and flattening requirements
Fixed bracket mounting type (the most widely used universal type)
Movable sliding seat mounting type
Pneumatic swing mounting type
Flange mounting type
Custom special mounting structure according to your equipment drawings
The excellent flattening and spreading performance of our rubber strip extension roller comes from its scientific mechanical structure design, which achieves non-damaging web flattening through a purely physical mechanical principle, without additional power drive in most cases:
When the web material passes through the surface of the extension roller, it drives the roller body to rotate synchronously. The high-elasticity rubber strips arranged in a left-right symmetrical spiral on the roller body will produce a progressive lateral displacement along the width direction of the web during the rotation process. From the center of the roller to both ends, each contact point between the rubber strip and the web generates a uniform and gentle outward pulling force, which stretches the web evenly in the width direction during conveying.
This continuous and controllable lateral spreading force can effectively eliminate the slack and wrinkles of the web during high-speed conveying, correct the running deviation of the material, and ensure that the web maintains a flat and tensioned state during winding, unwinding, printing, coating, slitting and other processing procedures. Unlike traditional bow-type expander rollers that rely on bending deformation to flatten the web, our rubber strip extension roller has linear contact with the material, with uniform force on the entire web width, no local over-stretching, and no damage to the surface of precision materials.
Our high-performance rubber strip extension roller is engineered to deliver exceptional flattening effect and long-term stable operation in the most demanding industrial environments, solving core pain points for roll material processors and bringing significant value to your production line. Below are the core advantages that make our products stand out in the global market:
It is perfectly suitable for processing materials with a thickness as low as 0.01mm, such as optical films, lithium battery diaphragms, PET release films, electronic adhesive tapes, and metal foils, completely avoiding the problems of material stretching, surface abrasion, and optical performance damage caused by traditional bow-type expander rollers and rigid spreader bars.
Our scientific symmetrical spiral structure design ensures that the spreading force is evenly distributed across the entire width of the web, with no local force unevenness. The spreading force can be adjusted by changing the spiral angle of the rubber strip, the roller installation angle, and the wrapping angle of the web, to achieve the optimal flattening effect for different materials, thicknesses, and running speeds.
It can effectively eliminate various types of wrinkles, including longitudinal wrinkles, transverse wrinkles, edge waviness, and middle slack of the web, and solve common production defects such as uneven roll end face, material telescoping, and inaccurate overprinting during winding and unwinding, greatly improving the product qualification rate of your production line.
All rubber strips of our extension roller are made of high-performance industrial-grade rubber raw materials, with a special formula and vulcanization process, which have excellent wear resistance, aging resistance, and tear resistance, far exceeding ordinary rubber products on the market.
The roller body undergoes strict anti-rust and anti-corrosion treatment, and the high-precision sealed bearings have a long service life of more than 20,000 hours under normal working conditions. The rubber strip adopts a detachable and replaceable design, which is convenient for later maintenance, greatly reducing your maintenance cost and equipment downtime.
Each of our rubber strip extension rollers undergoes strict G2.5 grade high-precision dynamic balance testing before leaving the factory, which can maintain extremely stable operation even under the maximum linear speed of 300m/min, with no obvious vibration, no jitter, and low running noise.
The high-precision machining of the roller body and shaft head ensures the coaxiality of the entire roller, which can effectively reduce the vibration of the production line, protect the precision components of the equipment, and extend the service life of the entire production line, perfectly adapting to the needs of modern high-speed, continuous production lines.
Our rubber strip extension roller has a very wide range of applications, and can be customized according to the properties of different materials and working conditions, to achieve the best use effect:
Suitable for web thickness from 0.01mm ultra-thin film to 5mm thick cardboard and non-woven fabric
Adaptable to linear speed from 5m/min low-speed intermittent production to 300m/min high-speed continuous production
Optional a variety of rubber materials to adapt to the temperature range from -40℃ to 200℃
Customizable anti-corrosion, anti-static, food-grade, and flame-retardant solutions for special working environments
Our rubber strip extension roller adopts a modular design, with a variety of installation structures to choose from, which can be directly installed and replaced on your existing production line without additional transformation, and the installation and debugging are simple and convenient.
The detachable rubber strip design makes the later maintenance extremely simple. When the rubber strip is worn, you only need to replace the strip separately, without replacing the entire roller body, which greatly reduces the maintenance cost and shortens the equipment downtime. The sealed bearing design is maintenance-free for a long time, only requiring regular lubrication according to the working conditions.
Printing & Packaging Industry: Suitable for gravure printing machines, flexographic printing machines, offset printing machines, laminating machines, coating machines, bag making machines, and die-cutting machines, to eliminate web wrinkles and ensure accurate overprinting and uniform lamination of packaging films, label paper, and carton boards.
Plastic Film & Flexible Packaging Industry: The core flattening equipment for BOPP, PET, PVC, PE, CPP film production lines, film blowing machines, and casting machines, to solve the problems of film wrinkling, edge waviness, and uneven winding, perfectly adapting to the processing of various flexible packaging films.
Paper Converting & Paper Mill Industry: Widely used in paper machines, coating machines, slitting machines, and corrugated cardboard production lines, suitable for flattening and conveying of various paper materials, including kraft paper, cultural paper, specialty paper, tissue paper, and cardboard.
Nonwoven & Textile Industry: Compatible with non-woven fabric production lines, textile dyeing and finishing equipment, fabric printing machines, and carpet processing lines, providing stable flattening and tension control for soft, easily deformable non-woven fabrics, fabrics, and knitted materials.
New Energy & Battery Industry: The preferred flattening equipment for lithium battery diaphragm production lines, electrode sheet coating machines, and new energy material processing lines, with non-damaging and non-polluting properties, meeting the high-precision and high-cleanliness requirements of new energy production.
Food & Pharmaceutical Packaging Industry: Food-grade and medical-grade silicone rubber extension rollers, suitable for food packaging, pharmaceutical blister packaging, and medical material production lines, fully compliant with FDA and GMP production standards, non-toxic and tasteless, safe and reliable.
Metal Foil & Composite Material Processing Industry: Suitable for copper foil, aluminum foil, steel foil, and composite metal material slitting and rewinding lines, with gentle contact that will not damage the surface of precision metal materials, ensuring flat conveying and uniform winding of metal foils.
Adhesive Tape & Label Industry: Suitable for adhesive tape coating machines, slitting machines, label rewinding machines, and self-adhesive material processing lines, effectively eliminating wrinkles and material deviation during the processing of thin, easily stretchable adhesive materials and label substrates.
At airshaft-china.com, we understand that every production line has unique design requirements, material properties, and working conditions, so we provide comprehensive, one-stop customization services for our rubber strip extension roller, beyond our standard product options.
Custom Roller Dimension: Fully customizable roller diameter, effective roller face width, shaft head size, and installation dimensions according to your equipment drawings and installation space.
Custom Rubber Strip Solution: Customizable rubber material (NBR, silicone, PU, etc.), strip width, spiral angle, quantity, and special performance (anti-static, food-grade, high-temperature resistant, etc.) according to your processed material and working conditions.
Custom Roller Body & Material: Optional roller body material (carbon steel, stainless steel, aluminum alloy), surface treatment, and anti-corrosion scheme according to your working environment.
Custom Installation Structure: Customizable mounting bracket, sliding seat, swing structure, and other installation forms according to your equipment design, to achieve perfect matching with your existing production line.
Special Performance Customization: For special working conditions, such as high-speed operation, high and low temperature environments, chemical corrosion resistance, explosion-proof requirements, and food-grade production, we can provide targeted custom design solutions.
Sample Customization & Performance Testing: We provide sample customization and prototype testing services for new customers, allowing you to verify the flattening effect and installation compatibility of our products before bulk ordering, ensuring that the products fully meet your production needs.
To ensure that your rubber strip extension roller delivers the best flattening effect and the longest service life, we have compiled the following professional installation and maintenance tips based on our 15+ years of industry experience:
Before installation, confirm the installation position and wrapping angle of the extension roller on the production line. The recommended wrapping angle is 15°-30°, and the optimal wrapping angle can be adjusted according to the material properties and flattening effect.
Ensure that the installation of the roller body is horizontal and coaxial with the front and rear guide rollers, with no deflection or tilt. The parallelism error between the extension roller and the adjacent guide rollers should be controlled within 0.5mm/m, to avoid material deviation caused by uneven installation.
Fix the mounting brackets firmly to avoid loosening and vibration during high-speed operation. Ensure that the roller body rotates flexibly after installation, with no jamming or abnormal resistance.
For the adjustable installation angle type, adjust the installation angle of the roller body according to the flattening effect of the material, to achieve the optimal spreading force. Do not use an excessive installation angle, which will cause material stretching and deviation.
After installation, perform a low-speed test run first, check for abnormal noise, vibration, and jitter, and then gradually increase the running speed to the normal production speed after confirming that the operation is normal.
Establish a regular inspection system: Check the surface condition of the rubber strip, the running status of the bearing, and the firmness of the mounting bracket every month. For 24-hour continuous high-speed production lines, shorten the inspection cycle to 15 days.
Regular cleaning: Regularly clean the surface of the rubber strip and the roller body with a clean soft cloth and mild detergent, to remove dust, oil stains, and adhesive residues on the surface. Avoid using strong corrosive solvents or hard brushes to scrub the rubber strip, which will cause damage to the rubber surface.
Bearing lubrication: Regularly add lubricating grease to the bearings according to the working conditions, usually every 6 months. For high-speed, high-temperature, and dusty working environments, shorten the lubrication cycle to 3 months, to ensure the flexible rotation of the bearings.
Timely replacement of rubber strips: When the rubber strip is obviously worn, aged, cracked, or partially fallen off, replace it immediately. Delayed replacement will affect the flattening effect, and even cause scratches and damage to the processed material. We can provide matching replacement rubber strips for you.
Long-term shutdown storage: If the equipment is shut down for a long time, clean the roller body and rubber strip thoroughly, apply a layer of protective agent on the rubber surface, cover it with a dust-proof cloth, and store it in a dry, ventilated environment, avoiding direct sunlight, high temperature, and humid environments, to prevent rubber aging and roller body rust.
A: The core difference lies in the flattening method and material protection performance. The bow-type expander roller relies on the bending deformation of the roller body to flatten the web, which has point contact with the material, easy to cause local over-stretching and surface damage to thin and precision materials. Our rubber strip extension roller adopts flexible linear contact with the material, with uniform spreading force across the entire web width, no damage to the material, better flattening effect, and wider application range, especially for high-precision and ultra-thin material processing.
A: Our standard effective roller face width ranges from 300mm to 6000mm, and we can customize the maximum effective width up to 8000mm according to your production line needs, and the minimum customizable width is 100mm for small laboratory equipment and narrow material processing lines.
A: We will recommend the most suitable rubber material according to your processed material, working temperature, line speed, and contact media. For general printing and packaging scenarios, we recommend standard NBR rubber; for high-temperature and food-grade scenarios, we recommend silicone rubber; for high-speed, heavy-load long-term operation, we recommend high-wear PU rubber. We can also provide custom rubber formulas for special working conditions.
A: Yes, absolutely. We can fully customize the roller according to your drawings, samples, or technical parameters, including roller diameter, effective width, shaft head size, installation structure, rubber material, and spiral design, to ensure 100% compatibility with your existing equipment and production line.
A: The service life of the roller body is more than 10 years under normal working conditions. The service life of the rubber strip depends on your working conditions, line speed, and material properties. Under normal 8-hour daily production conditions, the rubber strip can be used for 12-18 months; for 24-hour continuous high-speed production lines, the service life is 6-12 months. The rubber strip is detachable and replaceable, which greatly reduces the later maintenance cost.
