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China supplier Smart Motorized ANSI Standard Gall Type a Series Smart Stainless Top Transmission Stainless Steel Plastic Metal Roller Conveyor Chains Manufacturer Industrial

Product Description

Smart Motorized ANSI Standard Gall Type a Series Smart Stainless Top transmission stainless steel plastic metal roller conveyor Chains Manufacturer Industrial

Product Description

 

Model Table of Chain

Transmission chain (Driving Chain)

Short Pitch Precision Roller Chain (A Series)(1,2,3)

04C-1 06C-1-2-3 085-1-2-3 08A-1-2-3 10A-1-2-3 12A-1-2-3 16A-1-2-3 20A-1-2-3 24A-1-2-3 28A-1-2-3 32A-1-2-3 40A-1-2-3 48A-1-2-3

-2 35-3 -2 40-3 50 50-2-50-3 60 60-2 60-3 80 80-2 80-3 100 100-2 100-3 120 120-2 120-3 140 140-2 160 160-2 180 200
200-2 240

Short Pitch Precision Roller Chain (B Series)(1,2,3)

06B-1-2-3 06B-1-2-3 08B-1-2-3 10B-1-2-3 12B-1-2-3 16B-1-2-3 20B-1-2-3 24B-1-2-3 28B-1-2-3 32B-1-2-3 40B-1-2-3 48B-1-2-3 56B-1-2-3
64B-1-2-3 72B-1-2-3

Heavy Duty Series Roller Chain(1,2)

08AH-1 10AH-1 12AH-1-2-3 16AH-1-2-3 20AH-1-2-3 24AH-1-2-3 28AH-1-2-3 32AH-1-2-3 40AH-1-2-3

Side Bow Chain

40SB 43SB 50SB 60SB 63SB 80SB 08BSB 08BSBY1 10BSB 12BSB C2050SB

Motorcycle Chain

H 420 420H 428 428H 520 520H 525 525H 530 530H 630 630H

Engine Mechanism Chain (Timing Chain)

CL04

Self-Lubrication Roller Chain

08BSLR 10BSLR 12BSLR 16BSLR 40SLR 50SLR 60SLR 80SLR

Double Pitch Transmission Chain

208A 208B 210A 210B 212A 212B 216A 216B 220A 220B

2100

Bush Chain

P15F-B P20-B P25-B P25F1-B P30F2-B P36-B P40-B P45-B P50-B P55-B P60-B P70-B P80-B

Conveyor Chain

Roller Chain With Straight Side Plates (A Series)

C08A-1-2-3 C10A-1-2-3 C12-1-2-3 C24A-1-2-3 C32A-1-2-3

C35 C40-1-2-3 C50-1-2-3 C80-1-2-3 C100-1-2-3 C120-1-2-3 C140-1-2-3 C160-1-2-3

Roller Chain With Straight Side Plates (B Series)

C08B-1-2-3 C10B-1-2-3 C12B-1-2-3 C16-1-2-3 C20B-1-2-3 C24B-1-2-3 C28B-1-2-3 C32B-1-2-3

Double Pitch Conveyor Chain

C208A C208AH C208B C208BL C210A C210AL C212A C212AH C212AHL C216A C216AL C216AH C216AHL C220A C220AL C220AH C220AHL C224A C224AL
C224AH C224AHL C232A C232AL C232AH C232AHL

C2050 C2052 C2060 C2062 C2060H C2080 C2080H C2082 C2082H C2100 C2100H C2102 C2102H C2120 C2120H C2122 C2122H C2160 C2160H C2162
C2162H

Double Pius Speed Chain

BS25-C206B BS25-C208A BS25-C210A BS25-C212A BS30-C206B BS30-C208B BS30-C210B BS30-C212B

Conveyor Chain (M Series)

M20 M28 M40 M56 M80

Hollow Pin Conveyor Chain (MC Series)

MC28 MC56 MC112 MC224

Conveyor Chain (FV Series)

FV40 FV63 FV90 FV112 FV140

Conveyor Chain (FVT Series)

FVT40 FVT63 FVT90 FVT112 FVT140 FVT180 FVT250 FVT315

Hollow Pin Conveyor Chain (FVC Series)

FVC63 FVC90 FVC112 FVC140 FVC180 FVC250 FVC315

Conveyor Chain (Z Series)

Z40 Z100 Z160 Z300

Conveyor Chain (ZE Series)

ZE40 ZE100 ZE160 ZE300

Hollow Pin Conveyor Chain (ZC Series)

ZC21 ZC40 ZC60 ZC150 ZC300

Hollow Pin Chains

08BHPF 08BHPF5 08BHP9 10BHPF3 10BHPF4 12BHPF2 12BHPF3 16BHPF3 16BHPF4 40HP 08BHPF7 08BHP 50HP 50HPF4 50H-HP 60HP 60HPF1 80HP
80HPF1 80HPF2 80H-HP 80HPF3 80HPF4 HB41.75F5 A2080HP

Welded type cranked link chains

WR78 WH78 WR82 WH82 WR106 WH106 WR110 WH110 WR111 WH111 WR124 WH124 WR132 WH132 WR150 WH150 WR155 WH155 WR157 WH157 WR78F5 WH78F4
WH124F1 WH111F1

Palm oil Chains

P101.6F2 P152F14 P152F17 P152F29 90R-S P101.6F64 P76.7 P152F31

Sugar mill chains

DH9063 DH2198 P152F93K2 P152F78K2 DH 0571 0 DH1796 P152F77-AS2 P203.2F9

Rubber gloves carrier chains

P100F155 P100F13 P100F139 P150/90

Lumber conveyor chains

81X 81XH 81XHE 81XHH 81XHS 500R 441.100R

Sharp top chains

08AF34 08BF21 10AF8 41F6 06BF1 06BF37 08AF41 08BF44 08AF8…

Stainless Steel Chain

Stainless Steel Short Pitch Precision Roller Chain(A Series)

25SS-1 35SS-1 41SS-1 40SS-1 50SS-1 60SS-1 80SS-1 100SS-1 120SS-1

Stainless Steel Short Pitch Precision Roller Chain(B Series)

05BSS-1 06BSS-1 08BSS-1 10BSS-1 12BSS-1 16BSS-1 20BSS-1 24BSS-1

Stainless Steel Roller Chain With Straight Side Plates

C40SS-1 C50SS-1 C60SS-1 C80SS-1 C100SS-1 C120SS-1 C08BSS-1 C10BSS-1 C12BSS-1 C16BSS-1 C20BSS-1 C24BSS-1

Stainless Steel Double Pitch Transmission Chain

2040SS 2050SS 2060SS 2080SS 2100SS 2120SS 208BSS 210BSS 212BSS 216BSS 220BSS 224BSS

Stainless Steel Double Pitch Conveyor Chain

C2040SS C2040HSS C208BSS C2050SS C2060SS C2060HSS C2080SS C2080HSS C2100SS C2100HSS C2120SS C2120HSS

Stainless Steel Hollow Pin Chain

08BHFSS 40HPSS 50HPSS 60HPSS 12BHPSS 80HPSS C2040HPSS C2050HPSS C2060HPSS C2080HPSS HB50.8SS

Stainless Steel Double Pitch Hollow Pin Chain

C2042HPSS C2052HPSS C2062HPSS C2082HPSS C2042H-HPSS C2052H-HPSS C2062H-HPSS C2082H-HPSS

Lifting Chain

Car Parking Chain

12AT-1 16AT-1-2 20AT-1-2-3 24AT-1-2

Leaf Chain

LH0822 LH0823 LH571 LH0844 LH0846 LH 0571 LH1571 LH1571 LH1034 LH1044 LH1046 LH1066 LH1088 LH1222 LH1223 LH1234 LH1244 LH1246
LH1266 LH1288

BL422 BL423 BL434 BL444 BL446 BL466 BL488 BL522 BL523 BL534 BL544 BL546 BL566 BL588 BL622 BL623 BL634 BL644 BL646 BL666 BL688

Multile Plate Bearing Pin Chain

LF30 MP50F2 MP50.8 MP70F1 MP70F2 MP70F3 MP80F1 MP90F1 MP90F2 MP110F1

Rollerless Lift Chain

45-1 55-1 65-1 85-1 105-1 125-1 145-1 165-1

Agricultural Chain

S Type Steel Agricultural Chain & Attachments

S32 S42 S45 S52 S55 S62 S77 S88 A550 A620

C Type Steel Agricultural Chain with Attachments

CA550 CA550/S55 CA555 CA550HD CA550V CA557 CA620 CA2801 38.1R 38.4R 38.4V 38.4VB

Rice Harvester Chain

S3558T-48001 S3558T-48002

Drop Forged Chain Series

Drop Forged Rivetless Chain

Imperial: 80H X348 X458 468H X658 X 9118 S348 S458 S678 S698 S9118, Metric system: XT100 XT160

Cast Detachable Chain

78

Steel Detachable Chain

W

Cast Iron Chain

Cast Iron Chain (C Series)

C55 C55L C77 C188 C188L C102B C111 C131 C132

Cast Iron Chain (H Series)

H60 H78 H82 H110

Cast Iron Chain (4 Series)

720 720S 730

Cast Iron Chain BRH188

BRH188 C188CP C102B-K2 C55A C55B C55D CC600 H78A H78B H130 H138 MCF29 907-E51

Welded chains

WR78 WH78 WR82 WH82 WR124 WH124

Forging Hanging Chain

X228 X348 X458 X678 698

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Usage: Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain
Material: Iron
Surface Treatment: Oil Blooming
Feature: Oil Resistant
Chain Size: 1/2"*3/32"
Structure: Roller Chain
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|

limiter torque

How do tensioner rollers contribute to the adaptability and versatility of machinery in different settings?

Tensioner rollers play a crucial role in enhancing the adaptability and versatility of machinery in various settings. Here’s a detailed explanation of how tensioner rollers contribute to the adaptability and versatility of machinery:

1. Tension Adjustment:

Tensioner rollers allow for easy adjustment of belt tension. In different operating conditions or applications, the required belt tension may vary. Tensioner rollers provide a means to quickly and accurately adjust the tension to suit the specific requirements of the machinery. This adaptability enables the machinery to accommodate different loads, speeds, or operating conditions without the need for significant modifications or replacements.

2. Belt Length Compensation:

In some situations, machinery may require the use of belts with different lengths or sizes. Tensioner rollers can compensate for variations in belt length by accommodating the necessary slack or tension adjustments. This flexibility allows machinery to be easily adapted to different belt lengths or sizes, facilitating the use of belts with varying specifications without the need for extensive modifications to the system.

3. Belt Type Compatibility:

Tensioner rollers are designed to accommodate different types of belts, such as V-belts, timing belts, flat belts, or ribbed belts. This versatility enables machinery to utilize various belt types based on the specific requirements of the application. Tensioner rollers can be configured or adjusted to suit the specific belt profile, ensuring proper tension and alignment regardless of the belt type used. This adaptability allows machinery to be versatile in accommodating different belt types for different applications.

4. Misalignment Compensation:

Tensioner rollers can compensate for minor belt misalignment. In real-world operational scenarios, belt misalignment can occur due to factors such as thermal expansion, component wear, or external forces. Tensioner rollers with self-aligning or adjustable features can help mitigate the effects of misalignment by automatically adapting to the belt’s position. This adaptability ensures that the belt remains properly tensioned and aligned, reducing wear, improving performance, and extending the life of the machinery.

5. Installation Flexibility:

Tensioner rollers provide flexibility during the installation process. They can be easily positioned or adjusted to suit the available space, layout, or specific constraints of the machinery or system. This adaptability simplifies the installation process and allows for the efficient integration of tensioner rollers into different machinery configurations or designs. The ability to accommodate varying installation requirements enhances the versatility of the machinery in different settings.

6. Noise and Vibration Control:

Tensioner rollers contribute to noise and vibration control in machinery. They help maintain proper belt tension and alignment, reducing the risk of belt slippage, flutter, or excessive vibrations. By minimizing these issues, tensioner rollers contribute to a quieter and smoother operation of the machinery, enhancing its adaptability in noise-sensitive environments or applications that require precise control and stability.

7. Maintenance and Serviceability:

Tensioner rollers facilitate maintenance and service tasks, enhancing the adaptability of machinery in different settings. They are designed for easy access and adjustment, simplifying routine inspections, tension adjustments, or replacement of belts. The ease of maintenance and serviceability allows for efficient and timely adjustments or repairs, minimizing downtime and ensuring the machinery can quickly adapt to changing operational requirements.

In summary, tensioner rollers significantly contribute to the adaptability and versatility of machinery in different settings. They enable easy tension adjustment, accommodate variations in belt length or size, support various belt types, compensate for misalignment, provide installation flexibility, contribute to noise and vibration control, and facilitate maintenance and serviceability. By incorporating tensioner rollers into machinery design and operation, manufacturers and operators can enhance the adaptability and versatility of their equipment, allowing for efficient and reliable performance across a range of applications and operating conditions.

limiter torque

Can you provide examples of products or machinery that use tensioner rollers in their systems?

Yes, tensioner rollers are utilized in various products and machinery where belt drive systems are employed. Here are some examples of products and machinery that use tensioner rollers:

1. Automotive Engines:

In automotive engines, tensioner rollers are commonly used in the accessory belt drive systems. These systems power components such as the alternator, power steering pump, water pump, and air conditioning compressor. Tensioner rollers help maintain proper belt tension, ensuring efficient power transmission and preventing belt slippage or failure.

2. Industrial Machinery:

In industrial machinery, tensioner rollers are employed in numerous applications. They can be found in conveyor systems, where they help maintain belt tension and alignment over long distances. Tensioner rollers are also used in manufacturing equipment, printing presses, and packaging machines to ensure optimal belt operation and power transmission.

3. Agricultural Equipment:

Agricultural machinery, such as tractors, combines, and hay balers, often rely on tensioner rollers in their belt-driven systems. These tensioner rollers help maintain proper tension in belts powering various components, such as harvesting equipment, conveyor systems, and hydraulic systems.

4. Construction Machinery:

Tensioner rollers are incorporated into the belt drive systems of construction machinery, including excavators, loaders, and cranes. They ensure proper tension in belts driving components like hydraulic pumps, generators, and conveyor systems, enabling reliable power transmission in demanding construction environments.

5. HVAC Systems:

Heating, ventilation, and air conditioning (HVAC) systems utilize tensioner rollers in their belt drive systems. Tensioner rollers help maintain the correct tension in belts driving components such as fans, blowers, and compressors, ensuring efficient and reliable operation of HVAC systems in residential, commercial, and industrial settings.

6. Power Tools:

Many power tools, such as drills, saws, and sanders, utilize tensioner rollers in their belt drive mechanisms. Tensioner rollers help maintain proper belt tension, ensuring efficient power transfer and reliable operation of the tools, even under heavy loads or high-speed applications.

7. Fitness Equipment:

In fitness equipment, tensioner rollers are commonly used in treadmills, exercise bikes, and rowing machines. These tensioner rollers ensure the correct tension in belts powering the movement mechanisms, providing smooth and consistent resistance, and enabling users to perform workouts effectively.

8. Material Handling Equipment:

Tensioner rollers are crucial components in material handling equipment, including forklifts, palletizers, and conveyor systems. They help maintain proper belt tension, ensuring reliable power transmission and smooth movement of materials in warehouses, distribution centers, and manufacturing facilities.

9. Marine Applications:

In marine applications, tensioner rollers are utilized in belt drive systems for various components, such as water pumps, alternators, and cooling systems. Tensioner rollers help maintain proper belt tension in marine engines, ensuring reliable power transmission and efficient operation in challenging marine environments.

10. Mining Equipment:

Mining equipment, such as crushers, conveyors, and excavators, often incorporate tensioner rollers into their belt drive systems. These tensioner rollers help maintain tension and alignment in belts, enabling reliable and efficient power transmission in demanding mining operations.

In summary, tensioner rollers are utilized in a wide range of products and machinery that rely on belt drive systems. This includes automotive engines, industrial machinery, agricultural equipment, construction machinery, HVAC systems, power tools, fitness equipment, material handling equipment, marine applications, and mining equipment. Tensioner rollers play a crucial role in maintaining proper belt tension, ensuring reliable power transmission, and optimizing the performance of these systems and equipment.

limiter torque

What is a tensioner roller, and what role does it play in mechanical systems?

A tensioner roller, also known as a belt tensioner or idler pulley, is a component commonly used in mechanical systems to maintain proper tension in belts or chains. It plays a crucial role in ensuring the efficient and reliable operation of various systems that rely on the power transmission provided by belts or chains. Here’s a detailed explanation of what a tensioner roller is and the role it plays in mechanical systems:

1. Definition and Construction:

A tensioner roller is a pulley-like component that is typically mounted on a spring-loaded arm or bracket. It consists of a smooth or grooved surface that comes into contact with the belt or chain. The tensioner roller is designed to rotate freely on bearings or bushings, allowing it to accommodate the movement of the belt or chain and maintain the desired tension.

2. Tension Maintenance:

The primary role of a tensioner roller is to maintain the appropriate tension in belts or chains. Tension is crucial for the proper functioning of power transmission systems. If the tension is too loose, the belt or chain may slip, resulting in a loss of power transfer and potential damage to the system. On the other hand, excessive tension can cause increased wear on the belt or chain, as well as strain on other components. The tensioner roller applies the necessary force to keep the belt or chain properly tensioned, ensuring optimal power transmission efficiency and preventing premature wear or failure.

3. Compensation for Belt or Chain Stretch:

Over time, belts and chains can experience stretching due to normal wear and tear or changes in operating conditions. This stretching can lead to a decrease in tension and affect the performance of the mechanical system. Tensioner rollers are designed to compensate for belt or chain stretch by automatically adjusting their position to maintain the desired tension. The spring-loaded arm or bracket allows the tensioner roller to move and adapt to the changing length of the belt or chain, ensuring consistent tension throughout the system’s operation.

4. Noise and Vibration Dampening:

Tensioner rollers also contribute to reducing noise and vibration in mechanical systems. The smooth rotation of the tensioner roller on its bearings or bushings helps absorb and dampen the vibrations generated during the operation of the belt or chain. This reduces the overall noise level and improves the smoothness of the system’s operation, enhancing user comfort and minimizing potential damage caused by excessive vibrations.

5. Maintenance and Replacement:

Proper maintenance of tensioner rollers is essential to ensure their continued functionality. Regular inspections should be conducted to check for signs of wear, damage, or misalignment. If a tensioner roller is found to be worn, damaged, or no longer providing adequate tension, it should be promptly replaced to prevent further complications and maintain the optimal operation of the mechanical system.

6. Applications:

Tensioner rollers are used in a wide range of mechanical systems that rely on belts or chains for power transmission. They can be found in automotive engines, industrial machinery, HVAC systems, printing equipment, and many other applications. The specific design and size of tensioner rollers may vary depending on the requirements of the system in which they are used.

In summary, a tensioner roller is a crucial component in mechanical systems that rely on belts or chains for power transmission. It ensures the proper tension of the belt or chain, compensates for stretch, reduces noise and vibration, and contributes to the overall efficiency and reliability of the system. Regular maintenance and timely replacement of tensioner rollers are essential to ensure optimal performance and prevent potential issues in mechanical systems.

China supplier Smart Motorized ANSI Standard Gall Type a Series Smart Stainless Top Transmission Stainless Steel Plastic Metal Roller Conveyor Chains Manufacturer Industrial  China supplier Smart Motorized ANSI Standard Gall Type a Series Smart Stainless Top Transmission Stainless Steel Plastic Metal Roller Conveyor Chains Manufacturer Industrial
editor by CX 2024-03-26

China supplier Double Pitch Conveyor Chains Small Roller Type Large Roller Type with Free Design Custom

Product Description

 

DIN/ISO
Chain No.
ANSI
Chain No.
Pitch Roller diameter Width between inner plates Pin diameter Pin length Inner plate depth Plate thickness Ultimate tensile strength Average tensile strength Weight per meter
P d1 max b1 min d2 max L
max
Lc max h2 max t/T max Q
min
Q0 q
mm mm mm mm mm mm mm mm kN/lbf kN kg/m
C208A C2040 25.40 7.95 7.85 3.96 16.6 17.8 12.0 1.50 14.1/3205 16.7 0.50
C208AL C2042 15.88 0.84
C208AH C2040H 25.40 7.95 7.85 3.96 18.8 19.9 12.0 2.03 14.1/3205 17.2 0.65
C208AHL C2042H 15.88 1.00
C208B   25.40 8.51 7.75 4.45 16.7 18.2 11.8 1.60 18.0/4091 19.4 0.55
C208BL   15.88 0.89
C210A C2050 31.75 10.16 9.40 5.08 20.7 22.2 15.0 2.03 22.2/5045 28.1 0.78
C210AL C2052 19.05 1.27
C210B   31.75 10.16 9.65 5.08 19.5 20.9 14.7 1.70 22.4/5036 24.6 0.75
C210BL   19.05 1.21
C212A C2060 38.10 11.91 12.57 5.94 25.9 27.7 18.0 2.42 31.8/7227 36.8 1.12
C212AL C2062 22.23 1.61
C212AH C2060H 38.10 11.91 12.57 5.94 29.2 31.6 18.0 3.25 31.8/7227 41.6 1.44
C212AHL C2062H 22.23 2.07
C212B   38.10 12.07 11.68 5.72 22.5 24.2 16.0 1.85 29.0/6519 31.9 0.90
C212BL   22.23 1.55
C216A C2080 50.80 15.88 15.75 7.92 32.7 36.5 24.0 3.25 56.7/12886 65.7 2.08
C212AL C2082 28.58 3.12
C216AH C2080H 50.80 15.88 15.75 7.92 36.2 39.4 24.0 4.00 56.7/12886 70.0 2.54
C216AHL C2082H 28.58 3.58
C216B   50.80 15.88 17.02 8.28 36.1 39.1 21.0 4.15/3.1 60.0/13489 66.0 2.14
C216BL   28.58 3.27
C220A C2100 63.50 19.05 18.90 9.53 40.4 44.7 30.0 4.00 88.5/20114 102.6 3.01
C220AL C2102 39.67 4.83
C220AH C2100H 63.50 19.05 18.90 9.53 43.6 46.9 30.0 4.80 88.5/20114 112.4 3.56
C220AHL C2102H 39.67 5.38
C220B   63.50 19.05 19.56 10.19 41.3 45.0 26.4 4.50/3.50 95.0/21357 104.5 2.93
C220BL   39.67 5.01
C224A C2120 76.20 22.23 25.22 11.10 50.3 54.3 35.7 4.80 127.0/28864 147.3 4.66
C224AL C2122 44.45 7.66
C224AH C2120H 76.20 22.23 25.22 11.10 53.5 57.5 35.7 5.60 127.0/28864 160.9 5.26
C224AHL C2122H 44.45 8.26
C224B   76.20 25.40 25.40 14.63 53.4 57.8 33.2 6.00/4.80 160.0/35969 176.0 5.17
C224BL   44.45 7.88
C232A C2160 101.60 28.58 31.75 14.27 64.8 69.6 47.8 6.40 226.8/51545 278.9 8.15
C232AL C2162 57.15 13.00
C232AH C2160H 101.60 28.58 31.75 14.27 68.2 73.0 47.8 7.20 226.8/51545 285.8 9.06
C232AHL C2162H 57.15 13.84

The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).

With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.

The lengthening due to wear of a chain is calculated by the following formula:

M = the length of a number of links measured

S = the number of links measured

P = Pitch

In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.

BICYCLE CHAIN WEAR

The lightweight chain of a bicycle with derailleur gears can snap (or rather, come apart at the side-plates, since it is normal for the “riveting” to fail first) because the pins inside are not cylindrical, they are barrel-shaped. Contact between the pin and the bushing is not the regular line, but a point which allows the chain’s pins to work its way through the bushing, and finally the roller, ultimately causing the chain to snap. This form of construction is necessary because the gear-changing action of this form of transmission requires the chain to both bend sideways and to twist, but this can occur with the flexibility of such a narrow chain and relatively large free lengths on a bicycle.

Chain failure is much less of a problem on hub-geared systems (e.g. Bendix 2-speed, Sturmey-Archer AW) since the parallel pins have a much bigger wearing surface in contact with the bush. The hub-gear system also allows complete enclosure, a great aid to lubrication and protection from grit.

CHAIN STRENGTH

The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.

The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.

CHAIN STHangZhouRDS

Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size Pitch Maximum Roller Diameter Minimum Ultimate Tensile Strength Measuring Load
25 0.250 in (6.35 mm) 0.130 in (3.30 mm) 780 lb (350 kg) 18 lb (8.2 kg)
35 0.375 in (9.53 mm) 0.200 in (5.08 mm) 1,760 lb (800 kg) 18 lb (8.2 kg)
41 0.500 in (12.70 mm) 0.306 in (7.77 mm) 1,500 lb (680 kg) 18 lb (8.2 kg)
40 0.500 in (12.70 mm) 0.312 in (7.92 mm) 3,125 lb (1,417 kg) 31 lb (14 kg)
50 0.625 in (15.88 mm) 0.400 in (10.16 mm) 4,880 lb (2,210 kg) 49 lb (22 kg)
60 0.750 in (19.05 mm) 0.469 in (11.91 mm) 7,030 lb (3,190 kg) 70 lb (32 kg)
80 1.000 in (25.40 mm) 0.625 in (15.88 mm) 12,500 lb (5,700 kg) 125 lb (57 kg)
100 1.250 in (31.75 mm) 0.750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
120 1.500 in (38.10 mm) 0.875 in (22.23 mm) 28,125 lb (12,757 kg) 281 lb (127 kg)
140 1.750 in (44.45 mm) 1.000 in (25.40 mm) 38,280 lb (17,360 kg) 383 lb (174 kg)
160 2.000 in (50.80 mm) 1.125 in (28.58 mm) 50,000 lb (23,000 kg) 500 lb (230 kg)
180 2.250 in (57.15 mm) 1.460 in (37.08 mm) 63,280 lb (28,700 kg) 633 lb (287 kg)
200 2.500 in (63.50 mm) 1.562 in (39.67 mm) 78,175 lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (76.20 mm) 1.875 in (47.63 mm) 112,500 lb (51,000 kg) 1,000 lb (450 kg

For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain number
Width (inches)
14 28 25 18
38 38 35 316
12 48 41 14
12 48 40 516
58 58 50 38
34 68 60 12
1 88 80 58

Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
 A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.

Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.

Roller chains made using ISO standard are sometimes called as isochains.

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What to Look for in a Belt Tensioner

If you notice the power steering, air conditioning, or power steering stops working, chances are that your belt tensioner has been compromised. A compromised belt tensioner can be completely destroyed overnight, or it can last for a long time before it breaks. Either way, you should never drive with a faulty belt tensioner. It’s far better to have it replaced before the engine shuts down completely. In addition, replacing a belt tensioner will prevent other complications, such as power steering or air conditioning, from occurring.
belt

Misaligned idler pulley

If the tensioner arm is not rotating freely or has an abnormal chirping noise, it could be the result of a misaligned idler pulley. If this is the case, replace the idler. If the idler does not move, you may need to adjust the accessory mount points or use a laser alignment tool. The tensioner arm is only 1 part of the tensioner.
A misaligned idler pulley on a belt tensioner is usually the cause of a squeaking noise. If this noise continues even after a replacement of the belt, it’s time to replace the whole belt. A misaligned idler pulley can also be the cause of premature belt wear. If the idler pulley is out of alignment, it could also cause the belt to wear too fast and lead to the premature failure of the timing belt.
The tensioner pulley is made of nylon, steel, or plastic. It may be flat or grooved. Before replacing it, check for any cracks, dents, or debris on the pulley’s surface. Plastic pulleys may have broken sidewalls. If the idler pulley is worn out, you might also notice squealing noises when the vehicle is in motion.
The misalignment of a belt is most pronounced when the span between the 2 pulleys is short. When the span is long, however, diagnosing the problem becomes more complicated. Small degrees of offset may not be visible to the naked eye, but a laser alignment tool can help identify these subtle variations. In order to identify a misaligned idler pulley on a belt tensioner, you must first determine its cause.
When the tensioner’s idler pulleys are out of line, a belt tensioner will not be able to properly adjust the torque that the belt is under. This may result in squealing noises. If this is the case, it is time to call a mechanic. He or she will be able to determine the cause and correct it. If you suspect the problem, your next step is to replace the idler pulley on the belt tensioner.
If the ribbed belt is not properly aligned, you may have a misaligned idler pulley. To fix the misalignment, locate the belt adjustment bolt underneath the hood. You should be careful not to damage the alternator or battery terminal while doing this task. If you do accidentally connect the battery positive to the earth, you might be able to damage the ribbed belt and ruin your vehicle’s timing.
Besides a misaligned idler pulley on the belt tensioner, another problem may be the alternator’s serpentine belt. If your car’s alternator belt is not aligned properly, you could have misaligned the alternator’s pulley or a worn-out bearing. Regardless of the cause of your problem, you should have the belt inspected.
belt

Bad idler pulley

Having a Bad Idler Pulley on a Belt Tensioner? If this sounds familiar, then it’s probably time to change it. Idler pulleys slowly take hits while the engine is running, causing the belt to wrap and bend. Eventually, the belt will slip, and a new idler pulley should be installed to ensure optimal tension. But before you spend a dime on a new one, let’s talk about what to look for.
Symptoms of a Bad Idler Pulley: If the noise persists, there is a problem with the idler pulley or its bearing. These parts wear out over time and may eventually cause a cracked idler pulley or serpentine belt. Not only will the idler pulley create an irritating noise, but it will also damage the belt itself, leading to overheating, stalled engine, and even damage the head gaskets. Thankfully, a Bad Idler Pulley on a Belt Tensioner is easily replaced and will only cost about $40.
Although the Idler Pulley is not the most popular component on a car, it’s a critical part that ensures that the engine runs smoothly. It’s easy to overlook this part, but its failure can make it impossible for your vehicle to operate at its optimal level. Moreover, a Bad Idler Pulley on a Belt Tensioner will cause your engine to malfunction, so it’s essential that you check it at regular intervals.
If you notice a squealing noise while driving, the Idler Pulley is likely the culprit. Because of friction between the engine belt and idler pulley, the engine belt rubs against the pulley, causing it to squeak and make a clicking noise. This squealing noise will continue until the problem is repaired or replaced. It’s time to start addressing the problem before it becomes too late.
If you notice the tensioner pulley moving away from the engine, it’s most likely that the pulley is malfunctioning. A belt that is loose or slack may make it difficult to start the car, or your engine may even overheat. If this occurs, it’s crucial to replace the Idler Pulley as soon as possible, because a Bad Idler Pulley on a Belt Tensioner can seriously damage your vehicle.
The Idler Pulley facilitates the motion of the engine belt. It serves as a smooth rotating point that allows the belt to loop without a barrier. Over time, this part of the system will begin to show signs of wear and tear, and replacement is vital to protect your engine, serpentine belt, and other accessories. An early warning sign of a problem is a squealing sound coming from the engine area.
belt

Broken tensioner arm

The belt tensioner is a piece of machinery that is used to keep the belt tight. If this part breaks, you can easily repair it yourself using a long-handled ratchet, serpentine belt tool, or a socket. To repair the tensioner, simply remove the drive belt from the pulley and rotate it to release tension. Check for roughness, resistance, or binding of the drive belt.
Noises caused by the tensioner are a sign of a damaged component or excessive oscillation. These noises are usually caused by worn internal components or the tensioner’s pivot bushing. In some cases, the vibration damping system or a worn-out alternator pulley could also be to blame. If this is the case, replace the pulley and tensioner together. To check the condition of your belt tensioner, follow these steps.
In addition to worn-out springs, a loose or broken pivot arm could be causing your belt to misalign. A worn-out tensioner pulley bushing will also cause vibrations, noise, and seizing. Lastly, a broken tensioner spring could be preventing the belt from maintaining proper tension. Broken springs are also prone to loss of tension due to heat. Damaged tensioner housing can also affect belt tension.
Once the belt is installed, you need to check the condition of the pulley and the tensioner arm. Make sure that the pulley is moving and that the arm is moving smoothly with the cranking and releasing. If the arm is wobbling, the tensioner is failing. If the pulley wobbles or excessive chattering occurs, the tensioner is failing. It can also be seized or jammed.
If the tensioner arm has broken, replace it. Replacing the tensioner can be a tedious task. Be sure to use a suitable tool to tighten the pulley and tensioner. If you are not sure of how to replace the pulley, try using a serp belt tool. Another good option is to purchase a 3/8 drive ratchet. If you don’t have this tool, you can use a long 3/8 extension and a deep socket.
The belt tensioner assembly can fall off the engine, causing damage to the timing belt. If you are replacing it, you must replace it with a new one, and tighten all of the mounting bolts before reinstalling it. To avoid further damage to the engine, ensure you replace the belt with a new tensioner and a new belt. The tensioner is bolted to the engine’s timing cover, so make sure you carefully tighten the bolts when replacing it.

China supplier Double Pitch Conveyor Chains Small Roller Type Large Roller Type     with Free Design CustomChina supplier Double Pitch Conveyor Chains Small Roller Type Large Roller Type     with Free Design Custom