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COF-01 Coefficient of Friction Tester Background The coefficient of friction pertains to the friction present between two surfaces. A lower coefficient of friction signifies that less force is needed for sliding to commence, while a higher value indicates a greater force requirement. The coefficient of friction varies based on the specific materials involved. In the context of packaging film, the coefficient of friction refers to the extent of 'slipperiness' exhibited by the packaging material when in contact with different components of the packaging machine or other materials. The management of the coefficient of friction holds significance in enhancing performance and mitigating issues during the creation, transportation, and storage of packages. Numerous factors, such as antiblock additives, corona treatment, antistatic agents, inks, varnishes, and adhesives, can influence the coefficient of friction. Application The COF-01 Coefficient of Friction Tester is designed to measure both static and kinetic coefficients of friction for a wide range of materials. These materials include plastic films, sheets, rubber, paper, paperboard, woven and non-woven fabrics, metal-plastic composite belts used in communication cables and conveyor belts, wood, coatings, brake pads, windshield wipers, shoe materials, and tires. The tester can also be adapted or modified to accommodate various other material types and testing standards. Standards: ASTM D1894, ISO 8295, TAPPI T816, GB 10006 Formula The coefficient of friction (COF) is calculated by dividing the force needed to move one surface across another by the force perpendicular to the surfaces. The formula is μ = f ÷ N, where μ represents the coefficient of friction, f is the force of friction, and N is the normal force. There are two types of coefficients of friction: static and kinetic. Static COF (μs): The static coefficient of friction (μs) quantifies the force required to initiate movement between two surfaces. In the packaging industry, the static coefficient of friction is commonly used to assess the friction between bags during stacking, cartoning, or palletization, especially when plastic surfaces come into contact with each other. Kinetic COF (μd): The kinetic coefficient of friction (μd) measures the force necessary to sustain ongoing movement between surfaces. In the packaging sector, the kinetic coefficient of friction finds application in scenarios involving rolls of plastic films processed on packaging machinery. This is particularly relevant for situations where plastic surfaces interact with metal components. Technical Features The COF-01 Coefficient of Friction Tester has been aiding the flexible industry since its inception. 1. It employs PLC control and an HMI touch screen for interaction. The design, of industrial caliber, assures stability and extended service life. 2. The driving mechanism is powered by a stepper motor and a precision ball lead screw. 3. It exhibits real-time test curves, and automatically records maximum, minimum, and average test results. 4. Both static and kinetic coefficients of friction are gauged. 5. Compliance with multiple test standards is incorporated. 6. A dot matrix microprinter is integrated. 7. The test plane is constructed entirely from aluminum. 8. It offers RS232 output and professional software(Optional). 9. Local language display is supported(Customized). Main Parameters Load Cell 5 N(or as required) Accuracy 0.5 F.S. Sled 200±1g (or as required) Sled Size 63.5mm*63.5mm (or as required) Test Speed 100mm/min (ISO), 150mm/min (ASTM) Dimensions 540mm(L)*380mm(W)*240mm(H) Weight NW 21kg Power 110~220V 50/60Hz
Minimum Order: 1 bags
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8613165113870
NO. 5577, Gongyebei Rd, Jinan, 250109, China
Jinan
China
)
MAN Brake Pads Commercial Vehicle Brake Pad WVA 29228 ALLMAX has been producing brake pads for 38-year and selling them all over the world. And we’re one of professional manufacturer of brake pad in China. ECE-R90 Certificate approved With warranty of 100000km-200000km OE supplier for 20 years Heat resistance of more than 600 degree centigrades Friendly to disc, no noise Produce own back plates to control quality step by step 20 days for one container to deliver MAN Brake Pads: Without Compromising Your Safety MAN Brake Pads sizing depends on trailer, semi-trailer, truck and bus axle loads, rim diameter and required braking torque. Various friction material mixtures from many different raw materials form the basis for the highest quality, reliability and safety.
Minimum Order: 10 long tons
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86 532 85654566
Xiaoliu Industrial Area, Gucheng County
hebei 253800
China
)
Commercial Vehicle Brake Pad WVA 29253 Allmax brake pad factory has been focusing on brake pads production for nearly half century. The brake pads cover the range of European trucks, buses, trailers, construction machines and cars. bpw brake pads description ECE-R90 Certificate approved With warranty of 100000km-200000km OE supplier for 20 years Heat resistance of more than 600 degree centigrades Friendly to disc, no noise Produce own back plates to control quality step by step 20 days for one container to deliver BPW Brake Pads Vehicles extend our range of activities, indeed they are not only tools but friends. Proper maintenance and repairs can keep them in good shape, and a lot of auto parts and accessories are required.
Minimum Order: 10 long tons
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86 532 85654566
Xiaoliu Industrial Area, Gucheng County
hebei 253800
China
)
Commercial Vehicle Brake Pad WVA 29246 Allmax has supplied brake pads to over 20 OE companies for over 30 years. You could get stable OE quality brake pads with competitive price and fast delivery speed. from our factory.SAF Brake Pads convert the kinetic energy of the vehicle into thermal energy through friction. Two brake pads are included in the brake with their friction surfaces facing the rotor. ECE-R90 Certificate approved With warranty of 100000km-200000km OE supplier for 20 years Heat resistance of more than 600 degree centigrades Friendly to disc, no noise Produce own back plates to control quality step by step 20 days for one container to deliver SAF Brake Pads convert the kinetic energy of the vehicle into thermal energy through friction. Two brake pads are included in the brake with their friction surfaces facing the rotor. When hydraulic braking is employed, the caliper clamps or squeezes two brake pads together against the spinning rotor to slow and stop the vehicle. When the brake pads heat up from contact with the rotor, it transfers a small amount of friction material to the disc and leaves a dark grey coating on the disc. The brake pads and discs then "stick" to each other, providing the frictional force that stops the vehicle.
Minimum Order: 10 long tons
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86 532 85654566
Xiaoliu Industrial Area, Gucheng County
hebei 253800
China
)
Allmax Brake Lining Product Description Position Rear Axle Drum Diameter 410mm Width 223mm Thickness 17.0/11.8 mm Outer Length 192 mm Inner Length 177 mm Radius 200 mm Number of holes 8 Vehicles extend our range of activities, indeed they are not only tools but friends. Proper maintenance and repairs can keep them in good shape, and a lot of auto parts and accessories are required. High Quality Heavy Duty Truck Brake Lining Grind Inside and outside Perfect contact with the roller surface Provide the best performance Improve operational efficiency Chamfer High quality finish Smoother contact with rollers Prevent noise Drilling Perfect fit caliper
Minimum Order: 10 long tons
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86 532 85654566
Xiaoliu Industrial Area, Gucheng County
hebei 253800
China
)
Mainly used in paddy fields and tall crops. According to the modular concept, when necessary, hilly mountain high clearance wheeled tractor can be switched to a standard tractor or a low-ground clearance tractor by switching the wheel speed reduction. 1. The whole HUILI Mountain Deer tractor has a compact structure, flexible steering, and a small turning circle radius, making it more suitable for operations on small and medium-sized plots. 2. Two-way driving function, dual clutch and dual PTO design, easy and fast operation, meeting different operating needs, and efficient operation. 3. The gearbox has a full gear set for shifting, making the operation smooth and reliable; the dual-clutch design makes the operation more efficient and reliable. https://www.hlbmachinery.com/prod , ucts.html
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18174109306
No.5-7 Xuegong Street, Hepu County,Beihai,Guangxi
Beihai
China
)
1. The transmission system is a crawler tractor with differential steering and shuttle gearbox independently developed by our company. It can be designed to be driven in both directions according to the user's purpose. 2. This HUILI Mountain Turtle uses Yuchai high-pressure common rail engine, supercharged and intercooled, energy-saving, environmentally friendly, and powerful. 3. The traveling system adopts a triangular crawler type with high ground clearance. The center-mounted track roller has a self-adjusting balancing device. The crawler runs smoothly, is not easy to derail, and is easy to adjust. 4. Steering wheel, planetary plus differential design, easy steering.
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18174109306
No.5-7 Xuegong Street, Hepu County,Beihai,Guangxi
Beihai
China
)
1. 50HP hilly mountain wheel tractor t is independently developed and designed according to the concept of system engineering. It is a multi-purpose hilly mountain tractor composed of a main power module, a functional module and an attachment module. The combination of each module can be quickly connected through the electromechanical and hydraulic standardized interface, making the operation simple and convenient., flexible. 2. The innovative structural design can realize functions such as variable wheelbase, adjustable ground clearance, wheel-track switching, and two-way driving, and can be equipped with a variety of working platforms; 3. The application of key technologies such as front and rear axle wheel speed reduction, articulated steering, four-wheel and other large drives, front and rear differential locks, and air-controlled mechanical seal braking devices make the whole machine have a small turning radius, good passability, and strong stability. , superior climbing ability, better adapted to large-scale operations under various complex working conditions.
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18174109306
No.5-7 Xuegong Street, Hepu County,Beihai,Guangxi
Beihai
China
)
It is suitable for absorbing and discharging sewage, feces, biogas residue liquid, etc. in rural areas. At the same time, it is responsible for transportation and spraying operations, and is suitable for the majority of biogas tank users, sanitation sewage treatment and other environmental operations. hilly and mountainous wheeled tractor Features: In the modular concept, this car is the result of a combination of long-wheelbase platform modules and power modules. When necessary, the long-wheelbase platform module can be switched to a three-point suspension module to form a standard tractor, which is the Shanniu series.
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18174109306
No.5-7 Xuegong Street, Hepu County,Beihai,Guangxi
Beihai
China
)
50HP hilly mountain palm garden wheeled tractor Characteristic: 1. Four-wheel drive, good off-road performance. 2. The overall design of the drive front axle and gearbox is compact in structure. 3. Full four-wheel synchronization, with less tire wear and less power loss. 4. When used together with front and rear differential locks, it has a strong ability to get out of trouble. HUILI Mountain Dragon Economical: 1. Palm fruits have large loading capacity, fast transportation speed and high efficiency. 2. The whole machine has a long service life. Fully hydraulic articulated steering system 1. Small rotation and flexibility. 2. Rotate the waist structure and land on four wheels in real time. Rim structure: 1. Wide-body tires or twin tires have small ground pressure and large load- bearing capacity. 2. The wheels are decelerated, the ground clearance is high, and the passing ability is strong. This product adopts a fully enclosed braking system: 1. Fully enclosed structure, good sealing, pay attention to mud, water, sand and gravel. 2. The tractor can only start when there is sufficient air. When the air brake is insufficient, the tractor will automatically lock to improve safety. https://www.hlbmachinery.com/
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Email:
18174109306
No.5-7 Xuegong Street, Hepu County,Beihai,Guangxi
Beihai
China
)
Temperature control units are used to preheat the mold and then to keep the mold at the temperature set point by circulating coolant (water or oil) through the mold. The coolant absorbs heat from the mold (which has absorbed heat from the hot plastic) and keeps the mold at proper temperature to solidify the plastic.
Minimum Order: 1 bags
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008615814455765
Changping Town,Dongguan City,Guangdong Province
Dongguan 523000
China
)
Reliable Supply: With efficient production processes and a robust supply chain, we ensure a stable and consistent supply of PMK (28578-16-7). If you are interested in us, you can contact me via Whatsapp: +44 7774201922 Email: admin@cnxrds.com
Minimum Order: 10 long tons
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+44 7774201922
No. 001, Zone v, Bank of China Building, 1284 Heping Avenue, Qingshan District, Wuhan
Wuhan
China
)
Introduction ER-FNS-03 Low Cost 3 Axis FOG gyro North Seeker adopts closed-loop fiber optic gyroscope as the core component. It is mainly composed of inertial measurement unit (IMU), digital signal processing unit and the organizations of the mechanical parts. It can provide the carrier with true north azimuth angle. Applications North seeking in logging tools/gyro tools Pointing, steering and guiding in advanced mining/drilling equipment Initial alignment in weapon/UAV launch systems Direction pointing and tracking in satellite antenna, target tracking system Guidance and navigation in navigation grade MEMS weapon system Orientating and positioning in railway train system Precision platform attitude measuring and controls Precision attitude, position measuring in navigation grade MEMS IMU/INS North finding and positioning in land surveying/land mobile mapping system Petroleum exploration Bridge, tall building, tower, dam monitoring Rock and soil monitoring Mining
Minimum Order: 1 bags
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13991957586
029-88767352
Room 1,2100, Building 1, Ruixin Building, No.25 Gaoxin Road, Gaoxin District
Xi'an
China
)
Disposable Pet Pad Product details: 1. Diamond-shaped diversion design quickly absorbs urine and keeps the surface dry and breathable. 2. Bottom PE leak-proof film with all-around lock design, preventing urine from leaking out. 3. Imported polymer wood pulp fibers can quickly absorb water and block urine. Product specifications: Material * 1st Layer: Non-Woven or Dry Mesh Cover * 2nd Layer: Tissue Paper * 3rd Layer: Fluff Pulp Blend Super Absorbent Polymer (SAP or GEL) * 4th Layer: Tissue Paper * 5th Layer: PE Film ( release paper can be added in the corner)
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17861698360
CN,Shandong,Linyi,1208-253, 100 Lingong Road, Comprehensive Bonded Zone, Linyi City, Shandong Provin
Linyi 276002
China
)
Wireless nurse call bell system pocsag text message watch pager/button The Nurse calling system include Pocsag text message watch pagers and four keys patient call button.Pls advise the quantity you need, we will give best prices.
Phone:
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Email:
86-13950195439
86 591 88516889
No.25# JiaoTong Road, TaiJiang Aear
Fuzhou
China
SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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