China high quality Ring Gear Diameter 1m-16m Circumference & AMP; near me manufacturer

Solution Description

Merchandise Description

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

Girth Gears offered locate extensive software in diverse market sectors like in sponge iron vegetation, steel & cement market, mining business, wind mills as properly as in other industry sectors. These are made available in module range of ten Module to 70 Module and in least diameters of a hundred mm to 15000 mm. Even more, these comprise maximum excess weight of 70 MT one pieces. Below the selection of hardened & ground equipment packing containers/gears comprise Worm equipment containers, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and others.

ZTIC Gear Chopping Equipment contain:

Ø16m CNC Hobbing MachineØ12m Gear Cutting Device (Switzerland)Ø10m Hobbing Device (Germany)Ø4m CNC High Speed Hobbing Device (Germany)Ø1.6m Horizontal CHC Hobbing Equipment (Germany)Ø5m CNC Profile Gear Grinding Equipment (Germany)Ø2.8m CNC Profile Equipment Grinding Device (Germany)Ø1.25m CNC Profile Gear Grinding Device (Germany)Ø1m CNC Profile Gear Grinding Equipment (Germany)Ø0.8m CNC Profile Gear Grinding Equipment (Germany)Automated positioner

Module Variety:  10 Module to 70 Module.

Diameter : Min one hundred mm to16000 mm.

Weight : Max a hundred and twenty MT solitary piece.

Hardened & Ground Equipment 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 / Forced lubrication type

Send out Enquiry

With more than 1000 girth gears offered in excess of the globe CZPT Equipment is a leading provider in the cement and mineral industry. And as member of AGMA (American Equipment Producers Affiliation), we do actively get portion in defining the regular for equipment ranking calculations and services factors. 

We provide girth gears in 3 different styles

Fabricated steel
– solid ring
– rolled plate

Solid steel 

Ductile (Nodular) cast iron  

Fabricated gears became a lot more common in the past and are built with cast steel gear rim components and electro welded body composition. The rings are manufactured from a complete block of substantial resistance alloy steel. Soon after the rough machining of the ring, we carry out hardening and tempering warmth treatment method in purchase to increase the mechanical characteristic and therefore its appropriate efficiency.  

Avantages of fabricated girth gears

The cast material structure excludes the risk of inclusions

Structure defects like fuel holes, CZPT shrinkage, pin holes, scorching tears, sand and slag inclusions are prevented

Hence, restore welding of the entire body construction and e.g. grinding of toothed regions is not necessary.

The fabricated producing method excludes the need to have for styles and risers

Rim content has higher hardness and larger power than the substance employed for the underlying composition (i.e. net, gussets)

These functions will reduce the direct time and expenses. Fabricated production ensures a quickly supply.

This is specifically advantageous in an unexpected emergency situation, exactly where the existing gear rim is struggling from damage   


External teeth 
Greatest diameter: 16000 mm 
Toothed face width: 1700 mm 
Greatest module: 45 by hob 
Optimum module: 65 equipment ending cutter

Inside teeth 
Optimum Diameter: 6500 mm 
Greatest module: 25.4 
Toothed encounter width: 400 mm

Forging content process 
Ultimate rolling 
Furnace cooling 
Manage on production 
Water quenching 
Hardness testing 
Rough machining 
Ultrasonic screening and dimensional inspection 
Final inspection certification

Our girth gears are used in the cement and minerals industries: 
A variety of kinds of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other large gear ring application


One SourceOriginal Tools Manufacture (OEM) Technical DrawingsGearing specialized skills for kilns and grinding millsState of the art producing facilities and qualityGlobal income and provider supportRotary  Kiln Girth Gears

We are leading provider the Kiln Girth Gears for the numerous crops as detailed beneath.

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

Gear Reducing Ability:

100mm diameter to 16000mm diameter10Module to 70Module

The Kiln girth gears are available primarily in bi-portion, 4 parts, 8 areas or multi segments as for every the necessity and suitability with the software of equipment.

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

Good quality assurance files
The subsequent reviews are to be submitted to High quality Assurance:
a. Chemistry report
b. Actual physical report
c. Warmth treatment documents
CITIC HMC  Q/HM 973.2-2007
Specification for Steel Castings for Grinding Mills
one 5
d. Ultrasonic inspection report (prior to and following repairs)
e. CZPT particle inspection report (just before and after repairs)
f. Dimensional report
g. Weld mend maps
h. Weld techniques and Treatment qualification report
i. Welder qualification
j. Nondestructive screening inspector qualification


Structural attributes

Processing evaluate

Examination content material

Girth Gear

(1)GS42CrMo4Alloy Metal (corporate proprietary requirements)

HB 220~240

(2)semi-structured, Y-Spoke 
(4) reasonable sealing and alignment structure of alloy metal (corporate proprietary standards)

(1) outer metal refining (R-H argon and vacuum remedy) 
(2) proprietary cold mould hanging sand technological innovation to make sure the casting, the enamel dense 
(3) normalizing (proprietary engineering) to make sure that the tooth surface hardness 

(4)tough hobbing, release time, restore the joint surface area, then good roll 
(5) proprietary do-it-yourself hob wonderful hobbing

(1)castings mechanical qualities and chemical composition (inside regular) 
(2) roughing soon after sonic testing 
(3)semi-ending, finishing following ultrasonic tests and CZPT particle inspection 
(4) tooth floor CZPT particle inspection, hardness test 
(5)tooth tolerance check 
(6) the manufacturing facility assembly load check to examine the accuracy of the dimension of equipment


The complex demands of a huge CZPT Gear ring:
1) is pretreated prior to normalizing surface hardening treatment, the hardness must HB210 ~ 250 mechanical functionality are the final energy Rb 690MPa, produce tension Rs 490MPa, elongation D5 11%, reduction of location W 25% , impact toughness Ak 30J teeth induction hardened, hardness HRC50 ~ 55 effective hardened layer depth 3 ~ 5mm.
two) overall ultrasonic flaw detection, inside good quality should meet 2 needs GB7233-87 standard specifications tooth and fillet CZPT particle inspection, high quality need to meet up with 2 needs GB/T9444-88 requirements.
3) Note the casting is not rounded R5 ~ R10.
four) Tooth chamfer at the two ends and 1 45b.5) by 2 and a fifty percent ring gear tooth width of each and every ring CZPT along the edge of a entire ring manufactured with large toughness bolts, mixed with the tooth surface have to be at the base center.
2 massive ring gear producing approach
2.1 of rough
Steel casting blank is presented by CITIC Weighty Machinery Co., Ltd. Hefty Forging plant, run by GB11352-89 standard specifies requirements for modeling in accordance to the casting method, smelting, casting, hit boxes, cleaning, dressing castings. During inspection and acceptance by the drawings and Technical specifications for metal blank
Checks, in accordance JB/T6402-92 expectations issued following acceptance
Down procedure.
2.2 roughing
Crossed by drawing and continue to be out allowance, alignment, relationship, processing the two inside of and exterior the circle, combining face milling, drilling and other processes.
2.3 Exploration injuries
All round ultrasonic flaw detection, inside quality must meet the 2 needs of GB7233-87 specifications.
2.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering remedy, supply a very good business for subsequent floor hardening press drawings deformation of the fifty percent ring equipment inspection right after heat therapy.
two.5 Machining
1st 2 and a fifty percent ring is produced with higher power bolts connecting the ring as a total, the general method by drawing a circle Quannei Wai enamel and upper and decrease conclude, and then drawing and machining milling method needs.
two.6 Elimination of processing stress
The overall ring annealed to eliminate pressure.
two.7 total ring surface area hardening
IF along the alveolar tooth surface induction hardening, hardness HRC50 ~ 55, powerful hardened layer depth 3 ~ 5mm.
two.8 Closing inspection
1st, the detection frequency quenching, the hardness after tempering ring equipment cogging meets the specifications of the drawings next, to detect no matter whether the greatest outer diameter bigger size D6944 as the deformation 3mm, the mechanical correction necessary until finally experienced Thirdly, tooth and fillet CZPT particle inspection, quality need to meet up with 2 requirements GB/T9444-88 regular needs Last but not least, according to the drawings and specialized needs for last inspection.


Firm Profile

Our Advantages


Q: Why we feel in HangZhou CZPT industries co., ltd:
A: 1. Far more than 30 many years experience.
     2.We are the foremost professional provider of mining equipment, development equipment, equipment casting and cast      parts
     3. All products attained ISO9901:2000 quality management certificate and CE, ROHS certificates.
Q:Supply time
A: elements guide time 1-2months, machines 2-3months.
Q:Payment conditions
A: Accept payment kind: T/T, L/C, Western union,Cash.
30% deposit when signed deal. Total payment paid just before delivery
Q: High quality warranty?
A: assure time: 1 calendar year for primary equipment. If one thing wrong we will provide the specialized tips and discover answer immediately. For people sporting elements we promise high top quality components for prolonged-time period provide.
Q: Soon after income provider?
A: we can offer specialized information for equipment running test and parts servicing if conclude person wants.

Soon after Sales Service

ZTIC Heavy Industries is your company partner in the Following Market place.
ZTIC  ready to supply:
1.    ENGINEERED SPARES –  Layout AND Manufacturing
two.    Huge Quantity Steel AND IRON CASTING FOUNDARIES
3.    Enormous Machine Store Abilities
four.    Training PROGRAMMES
five.    PREVENTATIVE Maintenance Packages
6.    PREVETATIVE Upkeep Services
7.    Extensive Routine maintenance Packages

 ZTIC’s Discipline Provider Engineers are skilled specifically in the CITIC brand team goods but are capable of endeavor the servicing of other OEM makes.
Our technicians are geared up with the most superior technological diagnostic equipment offered to difficulty shoot your gear to optimise efficiency and minimise down time.
ZTIC also has an comprehensive capacity in supplying all you consumable and electrical/ mechanical spare part demands.


The advised supplies for the worm are hardened steel and bronze for the worm gear. Nonetheless, dependent on the software, unhardened metal worms can run sufficiently and far more economically on solid iron worm gears rated at fifty%. In addition to steel and hardened metal, worms are accessible in stainless steel, aluminum, bronze, and nylon worm gears are offered in metal, hardened metal, stainless steel, aluminum, nylon, and non-metallic (phenolic).
The equipment ratio of the worm equipment established is established by dividing the number of enamel of the gear by the variety of threads. Consequently, solitary thread yields greater ratios than multithreading. All ep worm equipment bushings have remaining or appropriate thread. ep worm gear sets are accessible in single, double, triple and quadruple threads.

China high quality Ring Gear Diameter 1m-16m Circumference & AMP     near me manufacturer