China Half Rotary Kiln Girth Gear&Mill Girth Gear cycle gear

Solution Description

Fifty percent Rotary Kiln Girth Equipment&Mill Girth Equipment

Girth Gears: Rotary kiln Girth Gear,ball mill Girth Equipment
Girth Gears offered find comprehensive software in various business sectors including in sponge iron crops, steel & cement sector, mining market, wind mills as well as in other market sectors. These are manufactured offered in module assortment of ten Module to 70 Module and in bare minimum diameters of a hundred mm to 15000 mm. Even more, these comprise highest bodyweight of 70 MT one parts. Listed here the assortment of hardened & ground equipment boxes/gears comprise Worm equipment boxes, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and other individuals.

ZTIC Gear Chopping Machines consist of:
Ø16m CNC Hobbing Machine
Ø12m Equipment Cutting Machine (Switzerland)
Ø10m Hobbing Machine (Germany)
Ø4m CNC Substantial Velocity Hobbing Equipment (Germany)
Ø1.6m Horizontal CHC Hobbing Device (Germany)
Ø5m CNC Profile Equipment Grinding Equipment (Germany)
Ø2.8m CNC Profile Equipment Grinding Equipment (Germany)
Ø1.25m CNC Profile Gear Grinding Device (Germany)
Ø1m CNC Profile Equipment Grinding Equipment (Germany)
Ø0.8m CNC Profile Gear Grinding Device (Germany)
Computerized positioner
Module Variety:  10 Module to 70 Module.
Diameter : Min 100 mm to16000 mm.
Weight : Max 120 MT single piece.
Hardened & Floor Gear Boxes/Gears:
Worm gear bins
Helical / Double helical gears/gearboxes
Helical-Bevel gearboxes
Planetary Gearboxes
Hardened & Ground Helical- bevel gears & Spiral-bevels gears/gearboxes.
Rack & Pinions
Scores:
Min 3 hp to  Max 1400 hp
Splash / Compelled lubrication type
Ship Enquiry
With more than 1000 girth gears sold over the planet CZPT Gear is a leading supplier in the cement and mineral market. And as member of AGMA (American Equipment Makers Association), we do actively get portion in defining the common for gear ranking calculations and support variables. 
We give girth gears in 3 distinct patterns
Fabricated steel
– forged ring
– rolled plate
Solid steel 
Ductile (Nodular) solid iron  
Fabricated gears became much more common in the past and are constructed with cast metal gear rim components and electro welded human body construction. The rings are produced from a entire block of large resistance alloy metal. Following the rough machining of the ring, we have out hardening and tempering warmth treatment in purchase to increase the mechanical attribute and as a result its pertinent functionality.  
Avantages of fabricated girth gears
The forged materials structure excludes the chance of inclusions
Structure defects like gasoline holes, micro shrinkage, pin holes, sizzling tears, sand and slag inclusions are averted
That’s why, fix welding of the physique structure and e.g. grinding of toothed places is not needed.
The fabricated producing method excludes the require for styles and risers
Rim substance has greater hardness and higher strength than the substance used for the underlying composition (i.e. net, gussets)
These characteristics will decrease the direct time and expenses. Fabricated producing assures a quickly delivery.
This is especially advantageous in an crisis situation, the place the existing equipment rim is struggling from damage   
Attributes
External teeth 
Highest diameter: 16000 mm 
Toothed confront width: 1700 mm 
Greatest module: 45 by hob 
Optimum module: sixty five equipment ending cutter
Interior teeth 
Optimum Diameter: 6500 mm 
Optimum module: 25.4 
Toothed face width: 400 mm
Forging content process 
Forging 
Final rolling 
Furnace cooling 
Manage on production 
Drinking water quenching 
Hardness testing 
Rough machining 
Ultrasonic testing and dimensional inspection 
Last inspection certification

Specifications/Certificates 
UNI EN ISO 
AWS 
ASTM 
ASME 
DIN 
Applications 
Our girth gears are applied in the cement and minerals industries: 
Different types of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other large equipment ring software
Pinions
ZTIC Equipment invested in significant assets and reached many innovations with pinions. The right blend of materials, hardness and ending between pinion and gear is vital for a lengthy lifetime of the put in gear. We design and style and manufacture pinions to match each consumers want, no subject how exclusive the predicament may well be. 

Pinion design
bored
sound on shaft / integral
self aligned
spur, helical or double helical
Materialization
forged alloyed metal
via hardened, scenario hardened or quenched and tempered
Spur, helical or double helical
carburized
induction
nitrided
Traits
gear cutting with hobs
the equipment high quality is checked by profile tester
tooth flank modification
– profile correction 
– lead correction (straight/barrel)
designs /ratios according to ISO-DIN-A.G.M.A.
FEM/FEA simulation application
Requirements/Certificates
UNI EN ISO
AWS
ASTM
ASME
DIN
Applications 
Our pinions are used in the cement and minerals industries:
Ball – mills
ROD – mills
Semi Autogeneous Grind (SAG)
Rotary kilns/coolers/dryers
Rewards
1 Supply
Unique Gear Manufacture (OEM) Complex Drawings
Gearing technical skills for kilns and grinding mills
State of the artwork production amenities and high quality
Worldwide revenue and provider assist
Rotary  Kiln Girth Gears
We are leading supplier the Kiln Girth Gears for the various vegetation as listed underneath.
Sponge Iron Plants  50TPD 100TPD 300TPD350TPD,500TPD,1000TPD
Cement plants as per customer necessity
Gears for phosphate mines, Alumina plant, kaolin-bentonite
Equipment Reducing Ability:
100mm diameter to 16000mm diameter
10Module to 70Module
The Kiln girth gears are offered mainly in bi-portion, 4 elements, 8 parts or multi segments as per the need and suitability with the application of gear.
 
In the discipline of grinding mill parts, We source mill heads,feed inlet,grinding roller,cement kiln using ring, casting gears, shaft block .Also we source mill shell of welding structures and fabrications.
 
Quality assurance paperwork
The pursuing studies are to be submitted to Top quality Assurance:
a. Chemistry report
b. Actual physical report
c. Warmth therapy paperwork
CITIC HMC  Q/HM 973.2-2007
Specification for Metal Castings for Grinding Mills
one 5
d. Ultrasonic inspection report (just before and soon after repairs)
e. Magnetic particle inspection report (just before and right after repairs)
f. Dimensional report
g. Weld mend maps
h. Weld techniques and Procedure qualification record
i. Welder qualification
j. Nondestructive screening inspector qualification

Product Structural features Processing evaluate Take a look at content material
Girth Equipment (1)GS42CrMo4Alloy Steel (corporate proprietary expectations)
HB 220~240
(2)semi-structured, Y-Spoke 
(3)Helical 
(4) sensible sealing and alignment framework of alloy metal (corporate proprietary expectations)
(1) outer steel refining (R-H argon and vacuum therapy) 
(2) proprietary cold mold hanging sand engineering to make certain the casting, the teeth dense 
(3) normalizing (proprietary engineering) to guarantee that the tooth surface hardness 
Soon after
(4)rough hobbing, release time, repair the joint surface area, then good roll 
(5) proprietary home made hob good hobbing
(1)castings mechanical homes and chemical composition (inside regular) 
(2) roughing after sonic testing 
(3)semi-ending, ending after ultrasonic testing and magnetic particle inspection 
(4) tooth floor magnetic particle inspection, hardness test 
(5)tooth tolerance check 
(6) the factory assembly load examination to check the precision of the dimension of gear

 
The technical requirements of a large CZPT Gear ring:
1) is pretreated prior to normalizing surface hardening remedy, the hardness should HB210 ~ 250 mechanical performance are the ultimate energy Rb 690MPa, generate anxiety Rs 490MPa, elongation D5 11%, reduction of area W 25% , influence toughness Ak 30J enamel induction hardened, hardness HRC50 ~ 55 successful hardened layer depth 3 ~ 5mm.
two) all round ultrasonic flaw detection, inner quality should satisfy 2 needs GB7233-87 normal requirements tooth and fillet magnetic particle inspection, quality ought to meet up with 2 requirements GB/T9444-88 standards.
3) Notice the casting is not rounded R5 ~ R10.
4) Tooth chamfer at the two ends and 1 45b.5) by 2 and a half ring equipment tooth width of each and every ring coupling together the edge of a total ring manufactured with substantial toughness bolts, blended with the tooth surface should be at the bottom middle.
two large ring equipment production method
2.1 of tough
Metal casting blank is offered by CITIC Hefty Machinery Co., Ltd. Heavy Forging plant, run by GB11352-89 regular specifies specifications for modeling in accordance to the casting procedure, smelting, casting, hit bins, cleansing, dressing castings. For the duration of inspection and acceptance by the drawings and Technical needs for steel blank
Checks, in accordance JB/T6402-ninety two specifications issued after acceptance
Down process.
2.2 roughing
Crossed by drawing and keep out allowance, alignment, connection, processing both within and outside the house the circle, combining confront milling, drilling and other procedures.
two.3 Exploration harm
All round ultrasonic flaw detection, inside high quality should satisfy the 2 demands of GB7233-87 requirements.
two.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering treatment method, offer a very good group for subsequent area hardening push drawings deformation of the 50 percent ring equipment inspection following warmth remedy.
2.5 Machining
Initial 2 and a fifty percent ring is manufactured with substantial toughness bolts connecting the ring as a total, the total approach by drawing a circle Quannei Wai enamel and higher and reduced end, and then drawing and machining milling method needs.
two.6 Elimination of processing pressure
The total ring annealed to get rid of anxiety.
two.7 total ring surface hardening
IF alongside the alveolar tooth surface induction hardening, hardness HRC50 ~ 55, efficient hardened layer depth 3 ~ 5mm.
2.8 Closing inspection
1st, the detection frequency quenching, the hardness after tempering ring gear cogging fulfills the needs of the drawings next, to detect whether or not the greatest outer diameter bigger measurement D6944 as the deformation 3mm, the mechanical correction needed right up until qualified Thirdly, tooth and fillet magnetic particle inspection, high quality must meet up with 2 specifications GB/T9444-88 regular demands Finally, in accordance to the drawings and technological needs for ultimate inspection.

US $20,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Supporting Service
Warranty: 12 Months
Weight: Max 120 Mt Single Piece
Module Range: 10 Module to 70 Module
Certificate: ISO 9001:2008
Gear Cutting Machines: 16m CNC Hobbing Machine

###

Customization:

###

Item Structural features Processing measure Test content
Girth Gear (1)GS42CrMo4Alloy Steel (corporate proprietary standards)
HB 220~240
(2)semi-structured, Y-Spoke 
(3)Helical 
(4) reasonable sealing and alignment structure of alloy steel (corporate proprietary standards)
(1) outer steel refining (R-H argon and vacuum treatment) 
(2) proprietary cold mold hanging sand technology to ensure the casting, the teeth dense 
(3) normalizing (proprietary technology) to ensure that the tooth surface hardness 
After
(4)rough hobbing, release time, repair the joint surface, then fine roll 
(5) proprietary homemade hob fine hobbing
(1)castings mechanical properties and chemical composition (internal standard) 
(2) roughing after sonic testing 
(3)semi-finishing, finishing after ultrasonic testing and magnetic particle inspection 
(4) tooth surface magnetic particle inspection, hardness test 
(5)tooth tolerance check 
(6) the factory assembly load test to check the accuracy of the size of gear
US $20,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Supporting Service
Warranty: 12 Months
Weight: Max 120 Mt Single Piece
Module Range: 10 Module to 70 Module
Certificate: ISO 9001:2008
Gear Cutting Machines: 16m CNC Hobbing Machine

###

Customization:

###

Item Structural features Processing measure Test content
Girth Gear (1)GS42CrMo4Alloy Steel (corporate proprietary standards)
HB 220~240
(2)semi-structured, Y-Spoke 
(3)Helical 
(4) reasonable sealing and alignment structure of alloy steel (corporate proprietary standards)
(1) outer steel refining (R-H argon and vacuum treatment) 
(2) proprietary cold mold hanging sand technology to ensure the casting, the teeth dense 
(3) normalizing (proprietary technology) to ensure that the tooth surface hardness 
After
(4)rough hobbing, release time, repair the joint surface, then fine roll 
(5) proprietary homemade hob fine hobbing
(1)castings mechanical properties and chemical composition (internal standard) 
(2) roughing after sonic testing 
(3)semi-finishing, finishing after ultrasonic testing and magnetic particle inspection 
(4) tooth surface magnetic particle inspection, hardness test 
(5)tooth tolerance check 
(6) the factory assembly load test to check the accuracy of the size of gear

The Difference Between Planetary Gears and Spur Gears

A spur gear is a type of mechanical drive that turns an external shaft. The angular velocity is proportional to the rpm and can be easily calculated from the gear ratio. However, to properly calculate angular velocity, it is necessary to know the number of teeth. Fortunately, there are several different types of spur gears. Here’s an overview of their main features. This article also discusses planetary gears, which are smaller, more robust, and more power-dense.
Planetary gears are a type of spur gear

One of the most significant differences between planetary gears and spurgears is the way that the two share the load. Planetary gears are much more efficient than spurgears, enabling high torque transfer in a small space. This is because planetary gears have multiple teeth instead of just one. They are also suitable for intermittent and constant operation. This article will cover some of the main benefits of planetary gears and their differences from spurgears.
While spur gears are more simple than planetary gears, they do have some key differences. In addition to being more basic, they do not require any special cuts or angles. Moreover, the tooth shape of spur gears is much more complex than those of planetary gears. The design determines where the teeth make contact and how much power is available. However, a planetary gear system will be more efficient if the teeth are lubricated internally.
In a planetary gear, there are three shafts: a sun gear, a planet carrier, and an external ring gear. A planetary gear is designed to allow the motion of one shaft to be arrested, while the other two work simultaneously. In addition to two-shaft operation, planetary gears can also be used in three-shaft operations, which are called temporary three-shaft operations. Temporary three-shaft operations are possible through frictional coupling.
Among the many benefits of planetary gears is their adaptability. As the load is shared between several planet gears, it is easier to switch gear ratios, so you do not need to purchase a new gearbox for every new application. Another major benefit of planetary gears is that they are highly resistant to high shock loads and demanding conditions. This means that they are used in many industries.
Gear

They are more robust

An epicyclic gear train is a type of transmission that uses concentric axes for input and output. This type of transmission is often used in vehicles with automatic transmissions, such as a Lamborghini Gallardo. It is also used in hybrid cars. These types of transmissions are also more robust than conventional planetary gears. However, they require more assembly time than a conventional parallel shaft gear.
An epicyclic gearing system has three basic components: an input, an output, and a carrier. The number of teeth in each gear determines the ratio of input rotation to output rotation. In some cases, an epicyclic gear system can be made with two planets. A third planet, known as the carrier, meshes with the second planet and the sun gear to provide reversibility. A ring gear is made of several components, and a planetary gear may contain many gears.
An epicyclic gear train can be built so that the planet gear rolls inside the pitch circle of an outer fixed gear ring, or “annular gear.” In such a case, the curve of the planet’s pitch circle is called a hypocycloid. When epicycle gear trains are used in combination with a sun gear, the planetary gear train is made up of both types. The sun gear is usually fixed, while the ring gear is driven.
Planetary gearing, also known as epicyclic gear, is more durable than other types of transmissions. Because planets are evenly distributed around the sun, they have an even distribution of gears. Because they are more robust, they can handle higher torques, reductions, and overhung loads. They are also more energy-dense and robust. In addition, planetary gearing is often able to be converted to various ratios.
Gear

They are more power dense

The planet gear and ring gear of a compound planetary transmission are epicyclic stages. One part of the planet gear meshes with the sun gear, while the other part of the gear drives the ring gear. Coast tooth flanks are used only when the gear drive works in reversed load direction. Asymmetry factor optimization equalizes the contact stress safety factors of a planetary gear. The permissible contact stress, sHPd, and the maximum operating contact stress (sHPc) are equalized by asymmetry factor optimization.
In addition, epicyclic gears are generally smaller and require fewer space than helical ones. They are commonly used as differential gears in speed frames and in looms, where they act as a Roper positive let off. They differ in the amount of overdrive and undergearing ratio they possess. The overdrive ratio varies from fifteen percent to forty percent. In contrast, the undergearing ratio ranges from 0.87:1 to 69%.
The TV7-117S turboprop engine gearbox is the first known application of epicyclic gears with asymmetric teeth. This gearbox was developed by the CZPT Corporation for the Ilyushin Il-114 turboprop plane. The TV7-117S’s gearbox arrangement consists of a first planetary-differential stage with three planet gears and a second solar-type coaxial stage with five planet gears. This arrangement gives epicyclic gears the highest power density.
Planetary gearing is more robust and power-dense than other types of gearing. They can withstand higher torques, reductions, and overhung loads. Their unique self-aligning properties also make them highly versatile in rugged applications. It is also more compact and lightweight. In addition to this, epicyclic gears are easier to manufacture than planetary gears. And as a bonus, they are much less expensive.

They are smaller

Epicyclic gears are small mechanical devices that have a central “sun” gear and one or more outer intermediate gears. These gears are held in a carrier or ring gear and have multiple mesh considerations. The system can be sized and speeded by dividing the required ratio by the number of teeth per gear. This process is known as gearing and is used in many types of gearing systems.
Planetary gears are also known as epicyclic gearing. They have input and output shafts that are coaxially arranged. Each planet contains a gear wheel that meshes with the sun gear. These gears are small and easy to manufacture. Another advantage of epicyclic gears is their robust design. They are easily converted into different ratios. They are also highly efficient. In addition, planetary gear trains can be designed to operate in multiple directions.
Another advantage of epicyclic gearing is their reduced size. They are often used for small-scale applications. The lower cost is associated with the reduced manufacturing time. Epicyclic gears should not be made on N/C milling machines. The epicyclic carrier should be cast and tooled on a single-purpose machine, which has several cutters cutting through material. The epicyclic carrier is smaller than the epicyclic gear.
Epicyclic gearing systems consist of three basic components: an input, an output, and a stationary component. The number of teeth in each gear determines the ratio of input rotation to output rotation. Typically, these gear sets are made of three separate pieces: the input gear, the output gear, and the stationary component. Depending on the size of the input and output gear, the ratio between the two components is greater than half.
Gear

They have higher gear ratios

The differences between epicyclic gears and regular, non-epicyclic gears are significant for many different applications. In particular, epicyclic gears have higher gear ratios. The reason behind this is that epicyclic gears require multiple mesh considerations. The epicyclic gears are designed to calculate the number of load application cycles per unit time. The sun gear, for example, is +1300 RPM. The planet gear, on the other hand, is +1700 RPM. The ring gear is also +1400 RPM, as determined by the number of teeth in each gear.
Torque is the twisting force of a gear, and the bigger the gear, the higher the torque. However, since the torque is also proportional to the size of the gear, bigger radii result in lower torque. In addition, smaller radii do not move cars faster, so the higher gear ratios do not move at highway speeds. The tradeoff between speed and torque is the gear ratio.
Planetary gears use multiple mechanisms to increase the gear ratio. Those using epicyclic gears have multiple gear sets, including a sun, a ring, and two planets. Moreover, the planetary gears are based on helical, bevel, and spur gears. In general, the higher gear ratios of epicyclic gears are superior to those of planetary gears.
Another example of planetary gears is the compound planet. This gear design has two different-sized gears on either end of a common casting. The large end engages the sun while the smaller end engages the annulus. The compound planets are sometimes necessary to achieve smaller steps in gear ratio. As with any gear, the correct alignment of planet pins is essential for proper operation. If the planets are not aligned properly, it may result in rough running or premature breakdown.

China Half Rotary Kiln Girth Gear&Mill Girth Gear     cycle gearChina Half Rotary Kiln Girth Gear&Mill Girth Gear     cycle gear
editor by czh 2023-01-09