China Standard High Quality Mine Ball Mill Girth Gear & Cement Ball Mill Girth Gear Factory Price with high quality

Item Description

Item Description

Girth Gears: Rotary kiln Girth Gear,ball mill Girth Equipment
Girth Gears offered uncover substantial application in various industry sectors such as in sponge iron plants, steel & cement industry, mining business, wind mills as well as in other business sectors. These are made offered in module assortment of 10 Module to 70 Module and in bare minimum diameters of 100 mm to 15000 mm. Further, these comprise greatest fat of 70 MT solitary items. Here the variety of hardened & floor equipment containers/gears comprise Worm equipment packing containers, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and other individuals.

ZTIC Gear Reducing Devices incorporate:
Ø16m CNC Hobbing Equipment
Ø12m Equipment Cutting Equipment (Switzerland)
Ø10m Hobbing Machine (Germany)
Ø4m CNC Higher Velocity Hobbing Machine (Germany)
Ø1.6m Horizontal CHC Hobbing Equipment (Germany)
Ø5m CNC Profile Equipment Grinding Equipment (Germany)
Ø2.8m CNC Profile Equipment Grinding Device (Germany)
Ø1.25m CNC Profile Gear Grinding Machine (Germany)
Ø1m CNC Profile Equipment Grinding Equipment (Germany)
Ø0.8m CNC Profile Equipment Grinding Equipment (Germany)
Automatic positioner
Module Range:  ten Module to 70 Module.
Diameter : Min one hundred mm to16000 mm.
Weight : Max 120 MT single piece.
Hardened & Floor Equipment Boxes/Gears:
Worm equipment bins
Helical / Double helical gears/gearboxes
Helical-Bevel gearboxes
Planetary Gearboxes
Hardened & Ground Helical- CZPT & Spiral-bevels gears/gearboxes.
Rack & Pinions
Min 3 hp to  Max 1400 hp
Splash / Forced lubrication type
Deliver Enquiry
With more than a thousand girth gears marketed more than the entire world CZPT Gear is a leading provider in the cement and mineral business. And as member of AGMA (American Gear Makers Affiliation), we do actively take part in defining the regular for equipment ranking calculations and provider factors. 
Ductile (Nodular) solid iron  
Fabricated gears turned more frequent in the past and are created with forged steel gear rim resources and electro welded entire body construction. The rings are manufactured from a complete block of higher resistance alloy metal. Following the tough machining of the ring, we have out hardening and tempering warmth treatment in get to enhance the mechanical attribute and for that reason its appropriate efficiency.  
Avantages of fabricated girth gears
The solid content construction excludes the chance of inclusions
Framework defects like gasoline holes, micro shrinkage, pin holes, sizzling tears, sand and slag inclusions are prevented
Consequently, restore welding of the physique structure and e.g. grinding of toothed places is not needed.
The fabricated producing procedure excludes the want for patterns and risers
Rim materials has increased hardness and increased power than the materials used for the underlying composition (i.e. world wide web, gussets)
These features will minimize the direct time and expenses. Fabricated manufacturing ensures a rapidly shipping.
This is specially helpful in an unexpected emergency situation, the place the existing equipment rim is struggling from damage   
External teeth 
Maximum diameter: 16000 mm 
Toothed face width: 1700 mm 
Highest module: forty five by hob 
Highest module: sixty five gear ending cutter
Interior teeth 
Highest Diameter: 6500 mm 
Greatest module: twenty five.4 
Toothed confront width: four hundred mm
Forging content process 
Our girth gears are utilized in the cement and minerals industries: 
Various types of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other massive gear ring application
ZTIC Gear invested in significant assets and reached several improvements with pinions. The appropriate mix of materials, hardness and finishing among pinion and gear is essential for a prolonged lifetime of the installed products. We design and style and manufacture pinions to match each and every customers need, no matter how CZPT the scenario may be. 

Pinion style
sound on shaft / integral
self aligned
spur, helical or double helical
cast alloyed steel
via hardened, case hardened or quenched and tempered
Spur, helical or double helical
gear reducing with hobs
the gear high quality is checked by profile tester
tooth flank modification
– profile correction 
– lead correction (straight/barrel)
styles /ratios in accordance to ISO-DIN-A.G.M.A.

Our pinions are used in the cement and minerals industries:
Ball – mills
ROD – mills
Semi Autogeneous Grind (SAG)
Rotary kilns/coolers/dryers
One particular Supply
Original Gear Manufacture (OEM) Specialized Drawings
Gearing technical skills for kilns and grinding mills
Condition of the artwork production amenities and quality
International sales and services help
Rotary  Kiln Girth Gears
We are major supplier the Kiln Girth Gears for the a variety of plants as listed underneath.
Sponge Iron Plants  50TPD 100TPD 300TPD350TPD,500TPD,1000TPD
Cement crops as per buyer requirement
Gears for phosphate mines, Alumina plant, kaolin-bentonite
Gear Slicing Potential:
100mm diameter to 16000mm diameter
10Module to 70Module
The Kiln girth gears are accessible primarily in bi-component, 4 areas, 8 elements or multi segments as per the necessity and suitability with the application of gear.
In the area of grinding mill components, We offer mill heads,feed inlet,grinding roller,cement kiln driving ring, casting gears, shaft block .Also we supply mill shell of welding constructions and fabrications.
Top quality assurance files
The adhering to stories are to be submitted to Top quality Assurance:
a. Chemistry report
b. Physical report
c. Heat therapy documents
CITIC HMC  Q/HM 973.2-2007
Specification for Steel Castings for Grinding Mills
one five
d. Ultrasonic inspection report (prior to and following repairs)
e. Magnetic particle inspection report (just before and after repairs)
f. Dimensional report
g. Weld repair maps
h. Weld techniques and Method qualification report
i. Welder qualification
j. Nondestructive tests inspector qualification

The technological demands of a massive CZPT Gear ring:
1) is pretreated ahead of normalizing area hardening remedy, the hardness must HB210 ~ 250 mechanical overall performance are the supreme energy Rb 690MPa, generate tension Rs 490MPa, elongation D5 eleven%, reduction of location W twenty five% , impact toughness Ak 30J enamel induction hardened, hardness HRC50 ~ 55 effective hardened layer depth 3 ~ 5mm.
2) general ultrasonic flaw detection, inner high quality must meet 2 requirements GB7233-87 standard specifications tooth and fillet magnetic particle inspection, top quality must satisfy 2 requirements GB/T9444-88 expectations.
three) Observe the casting is not rounded R5 ~ R10.
four) Tooth chamfer at the two finishes and 1 45b.5) by 2 and a half ring gear tooth width of every single ring CZPT together the edge of a entire ring made with large strength bolts, merged with the tooth floor should be at the bottom middle.
two huge ring equipment producing method
two.1 of tough
Steel casting blank is presented by CITIC Hefty Equipment Co., Ltd. Heavy Forging plant, operate by GB11352-89 common specifies demands for modeling in accordance to the casting process, smelting, casting, strike packing containers, cleaning, dressing castings. Throughout inspection and acceptance by the drawings and Technical demands for metal blank
Checks, in accordance JB/T6402-92 requirements issued right after acceptance
Down process.
2.2 roughing
Crossed by drawing and continue to be out allowance, alignment, link, processing equally within and exterior the circle, combining encounter milling, drilling and other procedures.
2.3 Exploration injury
Total ultrasonic flaw detection, internal quality ought to fulfill the 2 requirements of GB7233-87 requirements.
two.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering treatment method, provide a good firm for subsequent area hardening press drawings deformation of the 50 percent ring gear inspection right after heat treatment method.
two.5 Machining
Very first 2 and a 50 percent ring is made with substantial power bolts connecting the ring as a total, the all round procedure by drawing a circle Quannei Wai teeth and higher and decrease end, and then drawing and machining milling process specifications.
two.6 Elimination of processing pressure
The overall ring annealed to eradicate pressure.
two.7 overall ring surface hardening
IF together the alveolar tooth area induction hardening, hardness HRC50 ~ 55, effective hardened layer depth 3 ~ 5mm.
two.8 Last inspection
Initial, the detection frequency quenching, the hardness following tempering ring gear cogging satisfies the specifications of the drawings next, to detect whether or not the maximum outer diameter bigger size D6944 as the deformation 3mm, the mechanical correction required until finally certified Thirdly, tooth and fillet magnetic particle inspection, top quality should meet up with 2 demands GB/T9444-88 common specifications Ultimately, in accordance to the drawings and technical needs for final inspection.
organization profile


Q :Why we imagine in HangZhou CZPT industries co., ltd:
A: 1. Far more than thirty a long time encounter.
     2.We are the major skilled supplier of mining equipment, construction machinery, equipment casting and cast      parts
     3. All products achieved ISO9901:2000 quality management certification and CE, ROHS certificates.
Q:Shipping time
A: areas lead time 1-2months, machines 2-3months.
Q:Payment phrases
A: Take payment sort: T/T, L/C, Western union,Money.
thirty% deposit when signed contract. Complete payment compensated just before transport
Q: Top quality warranty?
A: guarantee time: 1 12 months for primary machinery. If one thing mistaken we will supply the technological tips and uncover remedy instantly. For individuals sporting parts we guarantee higher top quality parts for prolonged-time period supply.
Q: Following income services?
A: we can supply technological CZPT for equipment working check and areas servicing if stop user wants.


After Sales Services

ZTIC Heavy Industries is your company companion in the Following Market place.
ZTIC  CZPT to provide:
one.    ENGINEERED SPARES –  Design and style AND Production
two.    Large Quantity Steel AND IRON CASTING FOUNDARIES
three.    Large Equipment Shop Capabilities
4.    Education PROGRAMMES
5.    PREVENTATIVE Servicing Plans
six.    PREVETATIVE Servicing Solutions
7.    Thorough Servicing Applications

Kinds of Bevel Gears

Bevel Gears are used in a number of industries. They are utilized in wheeled excavators, dredges, conveyor belts, mill actuators, and rail transmissions. A bevel gear’s spiral or angled bevel can make it appropriate for confined areas. It is also employed in robotics and vertical supports of rolling mills. You can use bevel gears in food processing processes. For much more information on bevel gears, read through on.

Spiral bevel gear

Spiral bevel gears are utilized to transmit electricity in between two shafts in a 90-diploma orientation. They have curved or indirect enamel and can be fabricated from various metals. Bestagear is a single manufacturer specializing in medium to large spiral bevel gears. They are utilised in the mining, metallurgical, maritime, and oil fields. Spiral bevel gears are normally created from metal, aluminum, or phenolic resources.
Spiral bevel gears have several benefits. Their mesh teeth generate a much less abrupt pressure transfer. They are extremely resilient and are made to previous a long time. They are also much less expensive than other right-angle gears. They also are inclined to final lengthier, because they are created in pairs. The spiral bevel gear also reduces sounds and vibration from its counterparts. For that reason, if you are in require of a new gear established, spiral bevel gears are the right choice.
The contact among spiral bevel equipment enamel takes place together the floor of the equipment tooth. The make contact with follows the Hertz concept of elastic get in touch with. This principle retains for modest significant proportions of the speak to location and small relative radii of curvature of the surfaces. In this scenario, strains and friction are negligible. A spiral bevel equipment is a widespread example of an inverted helical gear. This equipment is frequently used in mining equipment.
Spiral bevel gears also have a backlash-absorbing characteristic. This characteristic aids protected the thickness of the oil movie on the equipment surface. The shaft axis, mounting distance, and angle errors all influence the tooth get in touch with on a spiral bevel gear. Altering backlash will help to right these problems. The tolerances revealed earlier mentioned are common for bevel gears. In some situations, companies make slight design modifications late in the creation method, which minimizes the threat to OEMs.

Straight bevel equipment

Straight bevel gears are between the least difficult sorts of gears to manufacture. The earliest technique employed to manufacture straight bevel gears was to use a planer outfitted with an indexing head. Even so, improvements have been produced in production strategies after the introduction of the Revacycle program and the Coniflex. The latest engineering allows for even much more specific producing. Each of these producing methods are used by CZPT. Here are some illustrations of straight bevel equipment producing.
A straight bevel equipment is produced making use of two sorts of bevel surfaces, namely, the Gleason strategy and the Klingelnberg method. Amongst the two, the Gleason method is the most frequent. Unlike other varieties of equipment, the CZPT method is not a universal common. The Gleason method has higher quality gears, because its adoption of tooth crowning is the most efficient way to make gears that tolerate even modest assembly mistakes. It also eradicates the stress focus in the bevelled edges of the teeth.
The gear’s composition depends on the software. When sturdiness is required, a gear is manufactured of solid iron. The pinion is usually three occasions more difficult than the gear, which will help harmony use. Other supplies, these kinds of as carbon steel, are less expensive, but are less resistant to corrosion. Inertia is one more critical aspect to take into account, given that heavier gears are much more difficult to reverse and end. Precision requirements could consist of the equipment pitch and diameter, as well as the force angle.
Involute geometry of a straight bevel gear is usually computed by different the surface’s standard to the surface. Involute geometry is computed by incorporating the area coordinates and the theoretical tooth thickness. Employing the CMM, the spherical involute surface can be used to establish tooth speak to designs. This approach is useful when a roll tester tooling is unavailable, since it can forecast the teeth’ get in touch with pattern.

Hypoid bevel gear

Hypoid bevel gears are an efficient and functional speed reduction resolution. Their compact size, substantial effectiveness, reduced sound and heat generation, and extended existence make them a well-liked decision in the electrical power transmission and motion control industries. The pursuing are some of the positive aspects of hypoid gearing and why you ought to use it. Shown below are some of the crucial misperceptions and false assumptions of this equipment sort. These assumptions might seem counterintuitive at very first, but will aid you comprehend what this gear is all about.
The standard notion of hypoid gears is that they use two non-intersecting shafts. The smaller sized equipment shaft is offset from the more substantial gear shaft, allowing them to mesh without having interference and support each and every other securely. The ensuing torque transfer is improved when in comparison to typical gear sets. A hypoid bevel gear is used to push the rear axle of an car. It increases the flexibility of equipment style and makes it possible for the axes to be freely adjusted.
In the first case, the mesh of the two bodies is acquired by fitting the hyperboloidal cutter to the preferred gear. Its geometric homes, orientation, and placement establish the desired equipment. The latter is utilized if the wanted equipment is sounds-cost-free or is needed to reduce vibrations. A hyperboloidal cutter, on the other hand, meshes with two toothed bodies. It is the most productive selection for modeling hypoid gears with noise considerations.
The main variation among hypoid and spiral bevel gears is that the hypoid bevel gear has a more substantial diameter than its counterparts. They are usually identified in 1:1 and 2:1 applications, but some companies also provide greater ratios. A hypoid gearbox can accomplish speeds of 3 thousand rpm. This tends to make it the favored decision in a assortment of applications. So, if you might be looking for a gearbox with a higher performance, this is the equipment for you.

Addendum and dedendum angles

The addendum and dedendum angles of a bevel gear are utilised to explain the condition and depth of the teeth of the equipment. Every single tooth of the gear has a somewhat tapered surface area that adjustments in depth. These angles are outlined by their addendum and dedendum distances. Addendum angle is the distance among the prime land and the bottom floor of the tooth, although dedendum angle is the distance among the pitch area and the bottom floor of the enamel.
The pitch angle is the angle fashioned by the apex position of the gear’s pitch cone with the pitch line of the equipment shaft. The dedendum angle, on the other hand, is the depth of the tooth room below the pitch line. Each angles are utilised to evaluate the shape of a bevel gear. The addendum and dedendum angles are important for equipment design.
The dedendum and addendum angles of a bevel equipment are determined by the base get in touch with ratio (Mc) of the two gears. The involute curve is not authorized to increase within the base diameter of the bevel equipment. The foundation diameter is also a vital measurement for the style of a equipment. It is possible to decrease the involute curve to match the involute curve, but it must be tangential to the involute curve.
The most typical software of a bevel gear is the automotive differential. They are used in a lot of types of automobiles, including cars, vehicles, and even development products. They are also employed in the maritime market and aviation. Apart from these two frequent employs, there are a lot of other uses for bevel gears. And they are even now expanding in reputation. But they’re a worthwhile part of automotive and industrial gearing systems.

Applications of bevel gears

Bevel gears are utilised in a selection of purposes. They are created of a variety of components depending on their weight, load, and software. For high-load programs, ferrous metals such as grey forged iron are used. These materials have exceptional put on resistance and are low-cost. For reduce-excess weight applications, metal or non-metals such as plastics are used. Some bevel gear components are regarded noiseless. Here are some of their most typical uses.
Straight bevel gears are the simplest to manufacture. The earliest method of production them was with a planer with an indexing head. Contemporary production approaches launched the Revacycle and Coniflex systems. For industrial equipment production, the CZPT uses the Revacycle system. Nonetheless, there are several sorts of bevel gears. This guide will support you pick the correct substance for your up coming undertaking. These components can withstand higher rotational speeds and are very strong.
Bevel gears are most frequent in automotive and industrial equipment. They join the driveshaft to the wheels. Some even have a forty five-diploma bevel. These gears can be placed on a bevel floor and be tested for their transmission capabilities. They are also utilized in testing purposes to make certain proper motion transmission. They can lessen the velocity of straight shafts. Bevel gears can be used in a lot of industries, from maritime to aviation.
The simplest type of bevel equipment is the miter gear, which has a 1:1 ratio. It is employed to adjust the axis of rotation. The shafts of angular miter bevel gears can intersect at any angle, from 45 degrees to a hundred and twenty degrees. The enamel on the bevel equipment can be straight, spiral, or Zerol. And as with the rack and pinion gears, there are different types of bevel gears.

China Standard High Quality Mine Ball Mill Girth Gear & Cement Ball Mill Girth Gear Factory Price     with high qualityChina Standard High Quality Mine Ball Mill Girth Gear & Cement Ball Mill Girth Gear Factory Price     with high quality