China supplier Mine Ball Mill Girth Gear & Cement Ball Mill Gear with Free Design Custom

Solution Description

Product Description

Girth Gears: Rotary kiln Girth Gear,ball mill Girth Equipment
Girth Gears offered locate extensive application in different sector sectors such as in sponge iron crops, metal & cement market, mining sector, wind mills as properly as in other sector sectors. These are produced obtainable in module selection of ten Module to 70 Module and in bare minimum diameters of a hundred mm to 15000 mm. Further, these comprise highest excess weight of 70 MT one parts. Below the assortment of hardened & floor gear packing containers/gears comprise Worm gear containers, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and other folks.

ZTIC Gear Slicing Machines incorporate:
Ø16m CNC Hobbing Equipment
Ø12m Gear Reducing Equipment (Switzerland)
Ø10m Hobbing Equipment (Germany)
Ø4m CNC Large Velocity Hobbing Equipment (Germany)
Ø1.6m Horizontal CHC Hobbing Device (Germany)
Ø5m CNC Profile Gear Grinding Equipment (Germany)
Ø2.8m CNC Profile Equipment Grinding Equipment (Germany)
Ø1.25m CNC Profile Equipment Grinding Device (Germany)
Ø1m CNC Profile Gear Grinding Device (Germany)
Ø0.8m CNC Profile Gear Grinding Device (Germany)
Computerized positioner
Module Range:  10 Module to 70 Module.
Diameter : Min one hundred mm to16000 mm.
Weight : Max a hundred and twenty MT solitary piece.
Hardened & Ground Equipment Boxes/Gears:
Worm equipment packing containers
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 / Compelled lubrication type
Deliver Enquiry
With more than one thousand girth gears sold over the entire world CZPT Equipment is a leading provider in the cement and mineral sector. And as member of AGMA (American Equipment Manufacturers Association), we do actively get component in defining the standard for gear ranking calculations and provider aspects. 
We provide girth gears in 3 different patterns
Ductile (Nodular) forged iron  
Fabricated gears became much more widespread in the previous and are constructed with cast metal equipment rim supplies and electro welded physique construction. The rings are produced from a complete block of higher resistance alloy metal. Following the tough machining of the ring, we carry out hardening and tempering heat treatment method in get to enhance the mechanical characteristic and as a result its appropriate overall performance.  
Avantages of fabricated girth gears
The forged material structure excludes the threat of inclusions
Construction defects like fuel holes, CZPT shrinkage, pin holes, scorching tears, sand and slag inclusions are prevented
That’s why, mend welding of the human body composition and e.g. grinding of toothed areas is not needed.
The fabricated production method excludes the want for styles and risers
Rim materials has larger hardness and larger strength than the material employed for the fundamental composition (i.e. internet, gussets)
These characteristics will lessen the lead time and fees. Fabricated producing guarantees a quick shipping and delivery.
This is especially advantageous in an emergency predicament, where the current gear rim is suffering from damage   
External teeth 
Highest diameter: 16000 mm 
Toothed encounter width: 1700 mm 
Greatest module: 45 by hob 
Optimum module: 65 equipment ending cutter
Interior teeth 
Optimum Diameter: 6500 mm 
Greatest module: twenty five.4 
Toothed experience width: four hundred mm
Forging substance process 
Closing rolling 
Furnace cooling 
Handle on production 
Drinking water quenching 
Hardness testing 
Rough machining 
Ultrasonic testing and dimensional inspection 
Last inspection certification
Our girth gears are utilized in the cement and minerals industries: 
Numerous types of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other large equipment ring application
ZTIC Equipment invested in significant sources and achieved a lot of innovations with pinions. The proper combination of substance, hardness and ending in between pinion and equipment is vital for a long lifetime of the set up products. We style and manufacture pinions to match each consumers need, no make a difference how exclusive the circumstance may be. 

equipment reducing with hobs
the equipment good quality is checked by profile tester
tooth flank modification
– profile correction 
– guide correction (straight/barrel)
types /ratios in accordance to ISO-DIN-A.G.M.A.
FEM/FEA simulation computer software

Our pinions are utilized in the cement and minerals industries:
Ball – mills
ROD – mills
Semi Autogeneous Grind (SAG)
Rotary kilns/coolers/dryers
One particular Source
Unique Gear Manufacture (OEM) Technological Drawings
Gearing specialized experience for kilns and grinding mills
Condition of the art producing facilities and quality
Worldwide income and support support
Rotary  Kiln Girth Gears
We are major provider the Kiln Girth Gears for the numerous crops as outlined beneath.
Sponge Iron Plants  50TPD 100TPD 300TPD350TPD,500TPD,1000TPD
Cement plants as for each customer prerequisite
Gears for phosphate mines, Alumina plant, kaolin-bentonite
Equipment Reducing Potential:
100mm diameter to 16000mm diameter
10Module to 70Module
The Kiln girth gears are offered largely in bi-component, 4 parts, 8 components or multi segments as per the requirement and suitability with the software of gear.
In the subject 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 constructions and fabrications.
Quality assurance files
The pursuing studies are to be submitted to High quality Assurance:
a. Chemistry report
b. Physical report
c. Warmth treatment method documents
CITIC HMC  Q/HM 973.2-2007
Specification for Steel Castings for Grinding Mills
1 five
d. Ultrasonic inspection report (just before and after repairs)
e. CZPT particle inspection report (prior to and after repairs)
f. Dimensional report
g. Weld repair maps
h. Weld methods and Procedure qualification report
i. Welder qualification
j. Nondestructive testing inspector qualification

Product Structural characteristics Processing measure Test content material
Girth Equipment (1)GS42CrMo4Alloy Metal (company proprietary standards)
HB 220~240
(2)semi-structured, Y-Spoke 
(4) reasonable sealing and alignment construction of alloy metal (corporate proprietary specifications)
(1) outer steel refining (R-H argon and vacuum remedy) 
(2) proprietary chilly mold hanging sand technologies to make certain the casting, the enamel dense 
(3) normalizing (proprietary engineering) to guarantee that the tooth floor hardness 
(4)rough hobbing, release time, fix the joint floor, then wonderful roll 
(5) proprietary homemade hob fine hobbing
(1)castings mechanical homes and chemical composition (inner regular) 
(2) roughing after sonic testing 
(3)semi-finishing, ending soon after ultrasonic screening and CZPT particle inspection 
(4) tooth floor CZPT particle inspection, hardness test 
(5)tooth tolerance check 
(6) the factory assembly load check to check out the precision of the measurement of gear

The technological demands of a massive CZPT Gear ring:
1) is pretreated ahead of normalizing surface area hardening treatment, the hardness need to HB210 ~ 250 mechanical overall performance are the ultimate energy Rb 690MPa, produce pressure Rs 490MPa, elongation D5 11%, reduction of region W twenty five% , influence toughness Ak 30J enamel induction hardened, hardness HRC50 ~ fifty five effective hardened layer depth 3 ~ 5mm.
two) overall ultrasonic flaw detection, inner quality must satisfy 2 needs GB7233-87 common demands tooth and fillet CZPT particle inspection, high quality should meet up with 2 specifications GB/T9444-88 standards.
3) Notice the casting is not rounded R5 ~ R10.
4) Tooth chamfer at equally finishes and 1 45b.5) by 2 and a fifty percent ring gear tooth width of each ring CZPT alongside the edge of a whole ring created with large power bolts, merged with the tooth floor have to be at the base centre.
2 large ring equipment manufacturing method
2.1 of tough
Metal casting blank is offered by CITIC Weighty Machinery Co., Ltd. Hefty Forging plant, run by GB11352-89 regular specifies needs for modeling according to the casting approach, smelting, casting, hit containers, cleansing, dressing castings. Throughout inspection and acceptance by the drawings and Technical requirements for metal blank
Checks, in accordance JB/T6402-92 standards issued after acceptance
Down process.
two.2 roughing
Crossed by drawing and remain out allowance, alignment, connection, processing equally inside of and exterior the circle, combining confront milling, drilling and other procedures.
two.3 Exploration injury
All round ultrasonic flaw detection, inside high quality ought to fulfill the 2 demands of GB7233-87 specifications.
two.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering remedy, supply a great organization for subsequent surface hardening press drawings deformation of the fifty percent ring equipment inspection after heat therapy.
2.5 Machining
First 2 and a half ring is created with large power bolts connecting the ring as a whole, the overall method by drawing a circle Quannei Wai enamel and higher and reduce finish, and then drawing and machining milling process needs.
2.6 Elimination of processing pressure
The general ring annealed to eliminate anxiety.
two.7 general ring area hardening
IF alongside the alveolar tooth floor induction hardening, hardness HRC50 ~ fifty five, powerful hardened layer depth 3 ~ 5mm.
two.8 Closing inspection
Very first, the detection frequency quenching, the hardness after tempering ring gear cogging fulfills the specifications of the drawings next, to detect whether or not the optimum outer diameter bigger dimension D6944 as the deformation 3mm, the mechanical correction required until experienced Thirdly, tooth and fillet CZPT particle inspection, high quality need to meet 2 needs GB/T9444-88 common requirements Lastly, in accordance to the drawings and specialized specifications for last inspection.

Soon after Sales Provider


Protection PROVISIONS: Worm drives ought to not be utilized as a locking mechanism to secure weighty objects, which might result in harm or damage throughout reverse action. In non-possibly harmful apps, self-locking is required to prevent reverse rotation, and then a minimal-pitch one-threaded worm is employed to routinely lock the worm gear to prevent reverse rotation.
Worm gears are correct angle drives that give massive gear ratios with comparatively brief middle-to-heart distances from 1/4″ to eleven”. When appropriately installed and lubricated, they serve as the quietest, smoothest-operating equipment sort. Because worm gear drives can attain large gear ratios, highest reduction can be accomplished in a smaller room than several other sorts of gear drives. The worm and worm gear run at a 90° angle on non-intersecting axes.

China supplier Mine Ball Mill Girth Gear & Cement Ball Mill Gear     with Free Design Custom