Product Description

Product Description

Internal Gear Processing
Internal Gear Ring drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 
Inner Gear Package
Spray anti-rust oil on large internal girth Gear, Wrap waterproof cloth around , Prepare package by shaft shape & weight to choose steel frame, steel support or wooden box etc.
OEM Customized Large Inner Gear Ring
We supply OEM SERVICE, customized internal helical gear with big module, more than 1tons big weight, more than 3m length, 42CrMo/35CrMo or your specified required material inner gear ring. 
 

Detailed Photos

Product Parameters

Module	m	Range: 5~70
Gear Teeth Number	z	OEM/Customized
Teeth Height	H	OEM/Customized
Teeth Thickness	S	OEM/Customized
Tooth pitch	P	OEM/Customized
Tooth addendum	Ha	OEM/Customized
Tooth dedendum	Hf	OEM/Customized
Working height	h’	OEM/Customized
Bottom clearance	C	OEM/Customized
Pressure Angle	α	OEM/Customized
Helix Angle,		OEM/Customized
Surface hardness	HRC	Range: HRC 50~HRC63(Quenching)
Hardness:	HB	Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface
Surface finish		Range: Ra1.6~Ra3.2
Tooth surface roughness	Ra	Range: ≥0.4
Gear Accuracy Grade		Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter	d	Range: >1m
Weight	Kg	Range: >100kg/ Single Piece
Toothed Portion Shape		internal, inner gear ring
Material		Casting 42CrMo/45# steel or Customized
Gear Teeth Milling		√
Gear Teeth Grinding		√
Heat Treatment		Quenching /Carburizing
Sand Blasting		Null
Testing		UT\MT
Trademark		TOTEM/OEM
Application		Gearbox, Reducer etc
Transport Package		Export package (steel frame, wooden box, etc.)
Origin		China
HS Code		8483409000

CHINAMFG SERVICE

TOTEM Machinery all the time works to supply GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission device & equipment (large industrial reducer & driver). Which mainly use to industrial equipment on fields of port facilities, cement, mining, metallurgical industry etc. 
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality suppliers’ network, to let customers worry-free purchase.  

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1 

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.
 

About CHINAMFG

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

Contact CHINAMFG

ZheJiang CHINAMFG Machinery Co.,Ltd
  
Facebook: ZheJiang Totem

FAQ

What’s CHINAMFG product processing progress?
Drawing CHECK, Make Forging Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 

How about TOTEM’s export package?
Spray anti-rust oil on Herringbone Gear Shaft, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.

Could I customize gear\gear shaft on TOTEM?
We supply customized Gear Shaft,Eccentric Shaft,Herringbone Gear,Internal Gear,Bevel Gear with big module, more than 1tons big weight, more than 3m length, forging or casting 42CrMo/35CrMo or your specified required material. 

Why can I choose TOTEM?
CHINAMFG has 24hrs Salesman on-line, guarantee quick and positive feedback.
TOTEM Machinery invests and becomes shareholders of several machine processing factories, forging factories, casting factories, relies on these strong reliable and high-quality supplier’s network, to let customers worry-free purchase.
Experienced and Professional Forwarder Guarantee Log. transportation.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

View More

Can chain couplings accommodate parallel misalignment?

Yes, chain couplings are designed to accommodate a certain degree of parallel misalignment between the connected shafts. Parallel misalignment refers to the situation where the axes of the two shafts are not perfectly aligned and run parallel to each other but at a distance.

Chain couplings have some inherent flexibility that allows them to tolerate a certain amount of parallel misalignment. The flexibility is primarily provided by the roller chain, which can compensate for small parallel displacements between the shafts. This flexibility helps to reduce stress on the coupling components and allows for smooth operation even in the presence of parallel misalignment.

However, it is important to note that chain couplings have limitations in terms of parallel misalignment. Excessive parallel misalignment beyond the specified limits can lead to increased stress, uneven load distribution, accelerated wear, and potential coupling failure. The manufacturer’s specifications and guidelines should be followed to ensure that the parallel misalignment remains within the acceptable range for the specific chain coupling being used.

Proper alignment during installation is crucial to minimize parallel misalignment. The shafts should be aligned as closely as possible to ensure optimal performance and longevity of the chain coupling and the connected machinery or equipment. In some cases, additional measures such as shims or adjustable mounts may be necessary to achieve the desired alignment.

Regular inspection and maintenance of the chain coupling are also important to identify and address any parallel misalignment issues that may arise over time. If significant parallel misalignment is detected, corrective measures should be taken to realign the shafts or consider alternative coupling options that are better suited for parallel misalignment requirements.

In summary, chain couplings can accommodate a certain degree of parallel misalignment, but excessive misalignment should be avoided. Proper alignment during installation and adherence to manufacturer’s guidelines are essential for ensuring optimal performance, reliability, and longevity of the chain coupling and the connected machinery or equipment.

How does misalignment affect chain couplings?

Misalignment in chain couplings can have detrimental effects on their performance and lifespan. Here are some ways in which misalignment can affect chain couplings:

• Increase in Load: Misalignment puts additional load on the coupling components. When the shafts connected by the coupling are not properly aligned, the coupling must compensate for the angular, parallel, or axial misalignment. This increased load can lead to excessive stress and premature wear on the coupling components, such as sprockets, roller chain, and connecting pins.
• Uneven Load Distribution: Misalignment can cause an uneven distribution of load across the coupling. As a result, some sections of the coupling experience higher stresses than others. This uneven load distribution can lead to localized wear and fatigue, reducing the overall strength and reliability of the coupling.
• Reduced Power Transmission: Misalignment affects the efficiency of power transmission through the coupling. When the shafts are not properly aligned, there is increased friction and slippage between the roller chain and the sprockets. This slippage reduces the amount of power transferred from one shaft to another, resulting in a loss of efficiency and a decrease in the overall performance of the machinery or equipment.
• Increased Wear: Misalignment can accelerate wear on the coupling components. The misalignment causes the roller chain to operate at an angle or with excessive tension, causing additional stress and wear on the chain links, sprocket teeth, and connecting pins. The increased wear can lead to chain elongation, loss of engagement with the sprockets, and ultimately, coupling failure.
• Noise and Vibration: Misalignment often results in increased noise and vibration during operation. The misaligned coupling generates additional vibrations and impacts, leading to excessive noise and potential damage to the coupling and surrounding equipment. These vibrations can also propagate through the connected machinery, affecting its overall performance and reliability.

To mitigate the negative effects of misalignment, it is crucial to ensure proper alignment of the shafts and the chain coupling during installation and periodically check and adjust the alignment as needed. Proper alignment minimizes stress on the coupling components, maximizes power transmission efficiency, and extends the service life of the chain coupling.

What are the disadvantages of chain couplings?

• Backlash: Chain couplings can exhibit a certain degree of backlash or play due to the clearances between the chain rollers and the sprocket teeth. This can result in reduced precision and accuracy in applications where precise motion control is required.

• Noise and Vibration: The engagement between the chain and sprockets can generate noise and vibration during operation. This can be problematic in applications where noise reduction is important or where excessive vibration can affect the performance or integrity of the machinery.

• Maintenance Requirements: While chain couplings are relatively easy to maintain, they still require regular attention. Lubrication of the chain and sprockets is essential to reduce wear and friction. Additionally, periodic inspection and adjustment of chain tension are necessary to ensure proper operation. Neglecting maintenance tasks can lead to premature wear, decreased efficiency, and potential coupling failure.

• Space and Weight: Chain couplings occupy a certain amount of space due to the presence of sprockets and the length of the chain. In applications with space constraints, the size of the coupling may limit its usability. Additionally, the weight of the coupling components can be a consideration in applications where weight reduction is important.

• Limitations in High-Speed Applications: Chain couplings may have limitations in high-speed applications. At high rotational speeds, the centrifugal forces acting on the chain and sprockets can increase, potentially causing stress and reducing the efficiency of the coupling. In such cases, alternative coupling designs, such as gear or flexible shaft couplings, may be more suitable.

• Wear and Service Life: Like any mechanical component, chain couplings are subject to wear over time. The chain and sprockets can experience gradual wear and elongation, requiring eventual replacement. The service life of a chain coupling depends on factors such as the operating conditions, maintenance practices, and the quality of the components used.

While chain couplings offer several advantages, it is important to consider these disadvantages and evaluate their impact based on the specific application requirements. Proper maintenance, periodic inspection, and careful consideration of design factors can help mitigate these disadvantages and ensure optimal performance and longevity of the chain coupling.

editor by CX 2024-05-08