China Best Sales Spur Gear and Girth Gear China Factory Price with Best Sales

Solution Description

Solution Description

Girth Gears: Rotary kiln Girth Gear,ball mill Girth Gear

Girth Gears offered discover substantial software in various industry sectors such as in sponge iron crops, metal & cement sector, mining market, wind mills as effectively as in other industry sectors. These are manufactured obtainable in module range of ten Module to 70 Module and in minimal diameters of a hundred mm to 15000 mm. Further, these comprise optimum bodyweight of 70 MT one parts. Here the variety of hardened & ground equipment packing containers/gears comprise Worm gear bins, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and others.

ZTIC Gear Reducing Equipment contain:

Ø16m CNC Hobbing MachineØ12m Equipment Reducing Equipment (Switzerland)Ø10m Hobbing Machine (Germany)Ø4m CNC Substantial Velocity Hobbing Device (Germany)Ø1.6m Horizontal CHC Hobbing Machine (Germany)Ø5m CNC Profile Gear Grinding Equipment (Germany)Ø2.8m CNC Profile Gear Grinding Machine (Germany)Ø1.25m CNC Profile Equipment Grinding Machine (Germany)Ø1m CNC Profile Gear Grinding Equipment (Germany)Ø0.8m CNC Profile Gear Grinding Machine (Germany)Computerized positioner

Module Variety:  ten Module to 70 Module.

Diameter : Min a hundred mm to16000 mm.

Weight : Max one hundred twenty MT one piece.

Hardened & Ground Equipment Packing containers/Gears:

Worm gear boxesHelical / Double helical gears/gearboxesHelical-Bevel gearboxesPlanetary GearboxesHardened & Ground Helical- CZPT & Spiral-bevels gears/gearboxes.Rack & Pinions


Min 3 hp to  Max 1400 hpSplash / Pressured lubrication type

Deliver Enquiry

With a lot more than 1000 girth gears marketed above the world CZPT Equipment is a leading supplier in the cement and mineral business. And as member of AGMA (American Gear Producers Affiliation), we do actively consider element in defining the regular for gear ranking calculations and support elements. 

We give girth gears in 3 various styles

Fabricated steel
– forged ring
– rolled plate

Solid steel 

Ductile (Nodular) cast iron  

Fabricated gears grew to become much more typical in the previous and are constructed with solid steel gear rim components and electro welded human body structure. The rings are manufactured from a entire block of large resistance alloy metal. Right after the tough machining of the ring, we have out hardening and tempering warmth remedy in buy to improve the mechanical attribute and therefore its appropriate efficiency.  

Avantages of fabricated girth gears

The cast material construction excludes the risk of inclusions

Construction problems like gasoline holes, micro shrinkage, pin holes, scorching tears, sand and slag inclusions are avoided

That’s why, fix welding of the entire body construction and e.g. grinding of toothed locations is not needed.

The fabricated production process excludes the need to have for patterns and risers

Rim substance has increased hardness and greater strength than the substance employed for the underlying framework (i.e. net, gussets)

These attributes will lessen the direct time and fees. Fabricated producing assures a quick shipping.

This is specially advantageous in an crisis scenario, where the existing equipment rim is suffering from damage   


External teeth 
Optimum diameter: 16000 mm 
Toothed confront width: 1700 mm 
Optimum module: 45 by hob 
Greatest module: sixty five equipment ending cutter

Interior teeth 
Highest Diameter: 6500 mm 
Optimum module: 25.4 
Toothed encounter width: 400 mm

Forging substance process 
Last rolling 
Furnace cooling 
Management on production 
Water quenching 
Hardness testing 
Tough machining 
Ultrasonic testing and dimensional inspection 
Closing inspection certification

Our girth gears are used in the cement and minerals industries: 
Various kinds of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other big gear ring software


One SourceOriginal Equipment Manufacture (OEM) Technological DrawingsGearing technical experience for kilns and grinding millsState of the artwork manufacturing facilities and qualityGlobal revenue and services supportRotary  Kiln Girth Gears

We are foremost provider the Kiln Girth Gears for the a variety of plants as detailed beneath.

Sponge Iron Plants  50TPD 100TPD 300TPD350TPD,500TPD,1000TPDCement vegetation as for every consumer requirementGears for phosphate mines, Alumina plant, kaolin-bentonite

Gear Chopping Capability:

100mm diameter to 16000mm diameter10Module to 70Module

The Kiln girth gears are accessible mainly in bi-part, 4 parts, 8 components or multi segments as for each the need and suitability with the application of equipment.

In the area of grinding mill parts, We supply mill heads,feed inlet,grinding roller,cement kiln using ring, casting gears, shaft block .Also we offer mill shell of welding buildings and fabrications.

Quality assurance documents
The adhering to studies are to be submitted to Quality Assurance:
a. Chemistry report
b. Bodily report
c. Warmth remedy paperwork
CITIC HMC  Q/HM 973.2-2007
Specification for Metal Castings for Grinding Mills
1 5
d. Ultrasonic inspection report (prior to and right after repairs)
e. Magnetic particle inspection report (before and following repairs)
f. Dimensional report
g. Weld mend maps
h. Weld processes and Procedure qualification file
i. Welder qualification
j. Nondestructive testing inspector qualification


The complex specifications of a big CZPT Gear ring:
1) is pretreated before normalizing floor hardening remedy, the hardness need to HB210 ~ 250 mechanical overall performance are the greatest toughness Rb 690MPa, generate anxiety Rs 490MPa, elongation D5 11%, reduction of spot W 25% , effect toughness Ak 30J enamel induction hardened, hardness HRC50 ~ fifty five successful hardened layer depth 3 ~ 5mm.
two) total ultrasonic flaw detection, interior top quality should satisfy 2 specifications GB7233-87 standard needs tooth and fillet magnetic particle inspection, quality need to meet 2 specifications GB/T9444-88 standards.
three) Be aware the casting is not rounded R5 ~ R10.
4) Tooth chamfer at each ends and 1 45b.5) by 2 and a fifty percent ring equipment tooth width of each ring CZPT alongside the edge of a total ring created with large strength bolts, mixed with the tooth area must be at the bottom heart.
2 huge ring gear producing procedure
2.1 of rough
Metal casting blank is supplied by CITIC Hefty Machinery Co., Ltd. Hefty Forging plant, run by GB11352-89 common specifies demands for modeling according to the casting method, smelting, casting, hit containers, cleaning, dressing castings. In the course of inspection and acceptance by the drawings and Technical demands for metal blank
Checks, according JB/T6402-92 standards issued after acceptance
Down method.
two.2 roughing
Crossed by drawing and remain out allowance, alignment, link, processing equally inside and exterior the circle, combining face milling, drilling and other processes.
2.3 Exploration injuries
All round ultrasonic flaw detection, inside high quality must meet up with the 2 specifications of GB7233-87 standards.
2.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering treatment method, provide a excellent group for subsequent floor hardening press drawings deformation of the half ring equipment inspection following heat treatment method.
2.5 Machining
Very first 2 and a 50 % ring is produced with high power bolts connecting the ring as a entire, the all round procedure by drawing a circle Quannei Wai tooth and upper and reduce end, and then drawing and machining milling method specifications.
2.6 Elimination of processing stress
The general ring annealed to get rid of tension.
two.7 total ring surface hardening
IF alongside the alveolar tooth area induction hardening, hardness HRC50 ~ fifty five, efficient hardened layer depth 3 ~ 5mm.
two.8 Ultimate inspection
Initial, the detection frequency quenching, the hardness soon after tempering ring equipment cogging fulfills the requirements of the drawings secondly, to detect whether the maximum outer diameter more substantial size D6944 as the deformation 3mm, the mechanical correction needed right up until experienced Thirdly, tooth and fillet magnetic particle inspection, quality must meet up with 2 specifications GB/T9444-88 standard demands Ultimately, according to the drawings and technical requirements for closing inspection.


Company Profile

Our Rewards


Q: Why we think in HangZhou CZPT industries co., ltd:
A: 1. Far more than 30 years encounter.
     2.We are the major skilled supplier of mining machinery, design equipment, devices casting and forged      parts
     3. All goods attained ISO9901:2000 good quality administration certification and CE, ROHS certificates.
Q:Shipping time
A: components direct time 1-2months, equipment 2-3months.
Q:Payment terms
A: Accept payment sort: T/T, L/C, Western union,Funds.
thirty% deposit when signed agreement. Full payment paid out prior to shipping and delivery
Q: Quality guarantee?
A: ensure time: 1 12 months for main equipment. If something wrong we will give the technical suggestions and locate solution right away. For people sporting parts we assure substantial top quality elements for extended-phrase provide.
Q: Following income services?
A: we can offer technical CZPT for devices operating test and components maintenance if conclude person requirements.

Soon after Product sales Support

ZTIC Heavy Industries is your enterprise companion in the After Marketplace.
ZTIC  CZPT to give:
1.    ENGINEERED SPARES –  Design and style AND Production
two.    Large Quantity Steel AND IRON CASTING FOUNDARIES
three.    Enormous Machine Store Abilities
4.    Coaching PROGRAMMES
five.    PREVENTATIVE Routine maintenance Applications
six.    PREVETATIVE Upkeep Services
seven.    Complete Routine maintenance Applications

 ZTIC’s Subject Support Engineers are skilled specifically in the CITIC brand name group merchandise but are able of endeavor the servicing of other OEM makes.
Our technicians are equipped with the most innovative technological diagnostic gear accessible to trouble shoot your gear to optimise overall performance and minimise down time.
ZTIC also has an extensive functionality in giving all you consumable and electrical/ mechanical spare component demands.

Advantages and Utilizes of Miter Gears

If you’ve got ever looked into the differences in between miter gears, you happen to be most likely questioning how to choose among a Straight toothed and Hypoid one. Just before you decide, however, make sure you know about backlash and what it means. Backlash is the difference between the addendum and dedendum, and it prevents jamming of the gears, guards the mating equipment surfaces, and permits for thermal expansion during procedure.

Spiral bevel gears

Spiral bevel gears are made to boost effectiveness and decrease value. The spiral shape produces a profile in which the teeth are cut with a slight curve together their length, generating them an superb choice for heavy-responsibility programs. Spiral bevel gears are also hypoid gears, with no offsets. Their smaller sized measurement implies that they are much more compact than other varieties of correct-angle gears, and they are significantly quieter than other varieties of equipment.
Spiral bevel gears function helical enamel organized in a 90-diploma angle. The style features a slight curve to the teeth, which minimizes backlash even though escalating flexibility. Since they have no offsets, they is not going to slip during procedure. Spiral bevel gears also have considerably less backlash, producing them an exceptional decision for substantial-speed programs. They are also carefully spaced to distribute lubricant over a more substantial area. They are also quite exact and have a locknut design and style that prevents them from relocating out of alignment.
In addition to the geometric style of bevel gears, CZPT can generate 3D models of spiral bevel gears. This software program has received widespread focus from numerous businesses about the planet. In fact, CZPT, a main company of 5-axis milling devices, not too long ago machined a prototype employing a spiral bevel gear product. These results prove that spiral bevel gears can be utilised in a selection of apps, ranging from precision machining to industrial automation.
Spiral bevel gears are also commonly acknowledged as hypoid gears. Hypoid gears differ from spiral bevel gears in that their pitch area is not at the heart of the meshing equipment. The reward of this equipment layout is that it can deal with big hundreds while preserving its unique functions. They also create much less heat than their bevel counterparts, which can impact the efficiency of close by parts.

Straight toothed miter gears

Miter gears are bevel gears that have a pitch angle of 90 degrees. Their gear ratio is 1:1. Miter gears come in straight and spiral tooth varieties and are available in each industrial and higher precision grades. They are a adaptable tool for any mechanical application. Below are some rewards and makes use of of miter gears. A simple explanation of the basic principle of this gear kind is presented. Study on for a lot more particulars.
When picking a miter equipment, it is important to select the correct substance. Hard faced, substantial carbon metal is acceptable for programs requiring substantial load, while nylon and injection molding resins are ideal for reduced loads. If a specific equipment becomes destroyed, it truly is highly recommended to replace the entire established, as they are carefully joined in shape. The very same goes for spiral-reduce miter gears. These geared items ought to be changed collectively for appropriate procedure.
Straight bevel gears are the simplest to manufacture. The earliest technique was using an indexing head on a planer. Contemporary production strategies, this kind of as the Revacycle and Coniflex programs, made the approach a lot more efficient. CZPT utilizes these newer production methods and patented them. Nevertheless, the standard straight bevel is still the most typical and widely utilised variety. It is the easiest to manufacture and is the most affordable sort.
SDP/Si is a well-liked provider of large-precision gears. The company creates custom made miter gears, as well as standard bevel gears. They also provide black oxide and ground bore and tooth surfaces. These gears can be used for many industrial and mechanical apps. They are offered in moderate portions from stock and in partial measurements upon ask for. There are also various measurements accessible for specialized applications.

Hypoid bevel gears

The positive aspects of making use of Hypoid bevel and helical gears are obvious. Their higher speed, low noise, and prolonged daily life make them best for use in motor automobiles. This kind of gear is also turning out to be increasingly popular in the power transmission and motion handle industries. In contrast to common bevel and helical gears, they have a increased capacity for torque and can take care of large loads with significantly less noise.
Geometrical dimensioning of bevel/hypoid bevel gears is crucial to fulfill ANSI/AGMA/ISO requirements. This post examines a few approaches to dimension hypoid bevel and helical gears. Initial, it discusses the restrictions of the common datum area when dimensioning bevel/helical equipment pairs. A straight line can’t be parallel to the flanks of each the equipment and the pinion, which is needed to figure out “typical backlash.”
Next, hypoid and helical gears have the exact same angular pitch, which tends to make the production procedure less difficult. Hypoid bevel gears are generally manufactured of two gears with equivalent angular pitches. Then, they are assembled to match 1 an additional. This lowers sounds and vibration, and increases power density. It is advisable to follow the normal and keep away from making use of gears that have mismatched angular pitches.
3rd, hypoid and helical gears vary in the form of the teeth. They are various from normal gears simply because the tooth are a lot more elongated. They are related in appearance to spiral bevel gears and worm gears, but vary in geometry. Even though helical gears are symmetrical, hypoid bevel gears are non-conical. As a end result, they can create larger equipment ratios and torque.

Crown bevel gears

The geometrical design of bevel gears is very intricate. The relative make contact with situation and flank kind deviations impact both the paired gear geometry and the tooth bearing. In addition, paired gears are also topic to method-connected deviations that impact the tooth bearing and backlash. These characteristics need the use of slender tolerance fields to avoid top quality troubles and creation charges. The relative position of a miter gear depends on the running parameters, such as the load and pace.
When picking a crown bevel equipment for a miter-equipment system, it is crucial to decide on 1 with the appropriate tooth condition. The enamel of a crown-bevel equipment can vary greatly in form. The radial pitch and diametral pitch cone angles are the most frequent. The tooth cone angle, or “zerol” angle, is the other essential parameter. Crown bevel gears have a vast range of tooth pitches, from flat to spiral.
Crown bevel gears for miter equipment are made of large-good quality resources. In addition to metal, they can be manufactured of plastic or pre-hardened alloys. The latter are favored as the materials is significantly less high-priced and far more adaptable than steel. Additionally, crown bevel gears for miter gears are really tough, and can withstand intense problems. They are usually employed to replace present gears that are damaged or worn.
When selecting a crown bevel gear for a miter equipment, it is crucial to know how they relate to every single other. This is due to the fact the crown bevel gears have a 1:1 velocity ratio with a pinion. The identical is real for miter gears. When evaluating crown bevel gears for miter gears, be positive to understand the radii of the pinion and the ring on the pinion.

Shaft angle requirements for miter gears

Miter gears are utilized to transmit movement in between intersecting shafts at a right angle. Their tooth profile is formed like the mitre hat worn by a Catholic bishop. Their pitch and quantity of enamel are also equivalent. Shaft angle needs differ dependent on the type of software. If the software is for power transmission, miter gears are often employed in a differential arrangement. If you might be putting in miter gears for power transmission, you ought to know the mounting angle specifications.
Shaft angle needs for miter gears fluctuate by style. The most frequent arrangement is perpendicular, but the axes can be angled to practically any angle. Miter gears are also acknowledged for their higher precision and higher power. Their helix angles are significantly less than 10 degrees. Because the shaft angle requirements for miter gears range, you need to know which type of shaft angle you call for ahead of purchasing.
To establish the correct pitch cone angle, 1st figure out the shaft of the equipment you’re developing. This angle is known as the pitch cone angle. The angle need to be at minimum 90 levels for the gear and the pinion. The shaft bearings must also be capable of bearing considerable forces. Miter gears should be supported by bearings that can endure significant forces. Shaft angle needs for miter gears range from application to application.
For industrial use, miter gears are usually manufactured of basic carbon metal or alloy metal. Some materials are a lot more durable than other people and can endure greater speeds. For commercial use, noise limits may possibly be critical. The gears might be exposed to harsh environments or heavy equipment hundreds. Some types of gears purpose with enamel missing. But be confident to know the shaft angle needs for miter gears before you purchase one particular.

China Best Sales Spur Gear and Girth Gear China Factory Price     with Best SalesChina Best Sales Spur Gear and Girth Gear China Factory Price     with Best Sales